WO2001038410A1 - Caoutchouc de polymere d'ethylene, procede de production correspondant et utilisation - Google Patents
Caoutchouc de polymere d'ethylene, procede de production correspondant et utilisation Download PDFInfo
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- WO2001038410A1 WO2001038410A1 PCT/JP2000/008202 JP0008202W WO0138410A1 WO 2001038410 A1 WO2001038410 A1 WO 2001038410A1 JP 0008202 W JP0008202 W JP 0008202W WO 0138410 A1 WO0138410 A1 WO 0138410A1
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- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
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- C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
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- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
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- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
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- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
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- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
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- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
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Definitions
- the present invention relates to a novel and useful ethylene copolymer rubber having a crosslinkable (vulcanizable) unsaturated bond, a method for producing the same, and a use thereof.
- a hydrocarbon compound having two carbon-carbon double bonds in one molecule is referred to as a gen compound.
- a chain gen compound such as 1,3-butadiene, 1,3-intagen, 1,4-hexadiene, etc.
- a large number of known cyclic gen compounds such as ethylidene-2-norbornene (ENB) and dicyclopentapentane; c.
- ENB ethylidene-2-norbornene
- dicyclopentapentane c.
- Such gen compounds are copolymerized with ⁇ -olefins such as ethylene and propylene. Thereby, a vulcanizable unsaturated ethylene-based copolymer rubber having an unsaturated bond can be obtained.
- Such unsaturated ethylene-based copolymer rubber is a vulcanizable polymer, and has excellent weather resistance, ozone resistance, heat aging resistance, etc., and is used for automobile parts, electrical insulation materials, and building civil engineering. It is used as a rubber product such as materials and industrial rubber materials, and is widely used as a material (modifier) for blending plastics with polypropylene and polystyrene.
- ethylene'propylene / 5-ethylidene-2-norbornene copolymer rubber, ethylene.propylene.dicyclopentene copolymer rubber, ethylene'propylene.1 , 4-hexadiene copolymer rubber and the like are known.
- Propylene • 5-ethylidene-2-norbornene copolymer rubber is the other unsaturated ethylene-based It is widely used because it has a faster vulcanization rate than copolymer rubber.
- unsaturated ethylene-based copolymer rubbers include, for example, ethylene 'propylene' 5-ethylidene-2-norbornene copolymer rubbers such as natural rubber, styrene 'butadiene rubber, isoprene rubber, butadiene rubber, nitrile rubber, and the like.
- ethylene 'propylene' 5-ethylidene-2-norbornene copolymer rubbers such as natural rubber, styrene 'butadiene rubber, isoprene rubber, butadiene rubber, nitrile rubber, and the like.
- the vulcanization rate is slower than that of the gen-based rubber, and that the vulcanization rate cannot be freely controlled in a wide range as compared with these gen-based rubbers.
- co-vulcanization property with the gen-based rubber is poor.
- vulcanizable polymer rubbers as a general property, those having a high vulcanization rate tend to have poor scorch stability. This is because a polymer rubber with a high vulcanization rate has a higher cross-linking reaction than a polymer rubber with a lower vulcanization rate even in a process other than the vulcanization process, such as a compounding rubber storage process or a processing process before the vulcanization process. This is because vulcanization proceeds easily and vulcanization occurs early. As described above, the high-speed vulcanizability and the scorch stability are contradictory properties, and it is difficult to obtain a polymer rubber having both properties.
- an ethylene copolymer rubber having a high vulcanization rate, excellent scorch stability, processability and moldability, and having excellent mechanical properties such as vulcanized rubber strength after vulcanization is desired. It is rare.
- the sealing performance is affected by many factors such as the cross-sectional shape of the seal rubber, compression set resistance, and softness, taking the cross-sectional shape as an example, the cross-sectional shape of the recent seal rubber is better than the conventional one.
- the wall thickness is thin and long, and the shape is complicated.
- the seal material to be mounted on the hard-top type parts must have a larger cross-sectional area and a thinner structure than before, and the vulcanization and foaming processes used to manufacture the seal material require accurate
- the problem that a so-called out-of-shape occurs when a proper cross-sectional shape cannot be obtained has been highlighted.
- “Shape retention” is generally used as an index of shape collapse, and sponge rubber having excellent shape retention is demanded. Attempts to use two or more polyene components for the purpose of improving the shape retention of EPT and EPDM have been made for a relatively long time (for example, Japanese Patent Publication No. 44-71713, Japanese Patent Publication No. No. 7-23939, JP-A-49-62582 (corresponding UK application: 141-219-A), JP-A-49-6253 (corresponding USP No. 3 90 30 6 1), Japanese Patent Application Laid-Open No. 56-223 No. 58-191 1705 (corresponding to USPN No. 4 5 10 30 3) etc., but not to the point where all of the above-mentioned desired performances are satisfied.
- the method of using 5-ethylidene-2-norbornene (ENB) and dicyclopentadiene (DC PD) together as EPDM porosity depends on how to balance the content of ENB and DC PD, which results in extrudability. Either the vulcanization rate or the mechanical strength of the vulcanized rubber does not show sufficient values.
- the method of using ENB and vinylnorbornene (VNB) as EPDM polyolefins has a better balance of extrudability, vulcanization speed and mechanical strength of vulcanized rubber than the above-mentioned method of using ENB and DCPD together.
- VNB vinylnorbornene
- the vulcanization rate is high, and it is excellent in scorch stability, processability, and moldability. After vulcanization, it has excellent mechanical properties such as vulcanized rubber strength and excellent shape retention. The emergence of united rubber is desired.
- a latex composition containing an ethylene / ⁇ -olefin / polyene amorphous copolymer as a main component and a method for producing the same are disclosed in Japanese Patent Application Laid-Open No. 61-238842 (Japanese Patent Publication No. 5-82415).
- a method of crosslinking an aqueous dispersion of a polymer with an ionizing radiation is known from Japanese Patent Application Laid-Open No. 52-21054.
- the use of crosslinked rubber latex as a resin modifier is disclosed in Japanese Patent Application Laid-Open No. 62-20532 (corresponding USPN No. 48 187855) and Japanese Patent Application Laid-Open No. 62-8971.
- Japanese Patent Application Laid-Open No. 61-238842 filed by the present applicant, discloses an ethylene / "olefin / polyene amorphous copolymer and a low molecular weight ⁇ -olefin copolymer, and a modified or modified low-molecular-weight ⁇ -olefin copolymer.
- a latex composition comprising a copolymer having a molecular weight of ⁇ -olefin and having a cross-linked bond formed in the amorphous copolymer component is disclosed.
- Preferred polyene components constituting the crystalline copolymer include 1,4-hexadiene, 5-ethylidene-12-norbornene, dicyclopentadiene, and 5-burnorbornene. Have been.
- ethylene-olefin-non-conjugated polyene copolymer rubber itself has excellent weather resistance and solvent resistance. However, it is indispensable as a latex component used as a resin modifier.
- the inventors of the present invention have blended ethylene ' ⁇ -ethylene-olefin-triene copolymer rubber containing a specific triene compound and low molecular weight polyethylene or low molecular weight ethylene' "-olefin copolymer in a specific ratio.
- a crosslinked rubber latex composition was prepared by subjecting the latex composition to a crosslinking treatment to form crosslinks in this rubber component. Then, when this composition was used as a resin modifier for an AS resin, ethylene- ⁇ —Acrylonitrile with excellent impact resistance and surface gloss without impairing the excellent weather resistance and solvent resistance inherent in the olefin-triene copolymer rubber.
- Ethylene copolymer • Styrene resin (AES (Resin) A molded article was found to be obtained, and the present invention was completed.
- the object of the present invention is to solve the problems associated with the prior art as described above, (Vulcanization) High speed, excellent scorch stability, processability and moldability, excellent mechanical properties such as crosslinked rubber strength after cross-linking, and a new and useful first and excellent material with excellent shape retention
- An object of the present invention is to provide a second ethylene-based copolymer rubber, a crosslinkable rubber composition containing the copolymer rubber, a crosslinked rubber, and a crosslinked rubber molded article.
- Another object of the present invention is to provide a new and useful third ethylene copolymer having a high crosslinking rate, excellent scorch stability, processability and moldability, and excellent mechanical properties such as crosslinked rubber strength after crosslinking.
- An object of the present invention is to provide a polymer rubber, a crosslinkable rubber composition containing the copolymer rubber, a crosslinked rubber, and a crosslinked rubber molded article.
- Still another object of the present invention is to provide an ethylene ' ⁇ -olefin.triene copolymer rubber which originally has failed to form a resin molded article having excellent impact resistance and surface gloss.
- Still another object of the present invention is to provide an ethylene- ⁇ - olefin-triene copolymer rubber, which does not impair the inherent excellent weather resistance and solvent resistance, compared to a conventional AES resin, without impairing the impact resistance.
- An object of the present invention is to provide an AES resin capable of forming a molded article having excellent properties and surface gloss. Disclosure of the invention
- the present invention relates to the following ethylene-based copolymer rubber, and its production method and use.
- R 1 and R 2 are each independently a hydrogen atom, a methyl group or an ethyl group, and R 3 and R 4 are each independently a methyl group or an ethyl group.
- the molar ratio of the structural unit derived from ethylene (a) to the structural unit derived from ⁇ -olefin having 3 to 20 carbon atoms (b) (ethylene / hyorefin) is 95 to 5 to 40 Z60,
- the content of the structural unit derived from the trizine compound (c) is 0.1 to 10 mol%
- the intrinsic viscosity [77] measured in decalin is 0.1 to 10 d1 Zg
- Ethylene copolymer rubber (hereinafter referred to as first ethylene copolymer rubber).
- the molar ratio (ethylene-olefin) of the structural unit derived from ethylene (a) to the structural unit derived from ⁇ -olefin (b) having 3 to 20 carbon atoms is 95 ⁇ 5 to 40 ⁇ 60,
- the content of the structural unit derived from the triene compound (c) is 0.1 to 10 mol%
- the intrinsic viscosity [7j] measured in 1 35 ° C decalin is 0.1 to 10 d1 Zg
- Ethylene copolymer rubber (hereinafter, referred to as a second ethylene copolymer rubber).
- the content of the structural unit derived from the non-conjugated polyene (d) is 0.02 to 3 mol.
- Ethylene (a), ⁇ -olefin (b) having 3 to 20 carbon atoms, triene compound (c) represented by the above formula (1), and a polymerizable double bond in one molecule.
- a random copolymer with two or more non-conjugated polyenes (d), a structural unit derived from ethylene (a) and a structural unit derived from ⁇ -olefin (b) having 3 to 20 carbon atoms; Has a molar ratio of 95 to 5 to 40/60,
- the content of the structural unit derived from the triene compound (c) is 0.1 to 10 mol%
- the content of the structural unit derived from the non-conjugated polyene (d) is 0.02 to 3 mol%
- Ethylene copolymer rubber (hereinafter referred to as a third ethylene copolymer rubber).
- the structural unit derived from ⁇ -olefin (b) is a structural unit derived from at least one type of ⁇ -olefin selected from the group consisting of propylene, 1-butene, 1-hexene and 1-octene.
- the ethylene copolymer rubber according to any one of (1) to (5).
- R 1 and R 2 are each independently a hydrogen atom, a methyl group or an ethyl group, and R 3 and R 4 are each independently a methyl group or an ethyl group.
- a crosslinkable rubber composition comprising the ethylene copolymer rubber (A) according to any one of the above (1) to (8).
- the ethylene-based copolymer rubber (A) according to any of (1) to (8) above, a reinforcing agent (B), a softening agent (C), a vulcanizing agent (D) and foaming
- a crosslinkable rubber composition comprising at least one additive selected from the group consisting of the agent (E).
- the ethylene copolymer rubber (A) according to any one of (1) to (8) above, a reinforcing agent (B), a softening agent (C), a vulcanizing agent (D) and foaming
- the crosslinkable rubber composition according to any one of (11) to (13) above is crosslinked by heating or irradiating with an electron beam to produce a crosslinked rubber molded article.
- low molecular weight polyethylene low molecular weight ethylene.
- Olefin copolymer unsaturated low molecular weight polyethylene modified with unsaturated sulfonic acid compounds, and low molecular weight ethylene / ⁇ -olefin copolymer modified with unsaturated carboxylic acid compounds.
- a latex composition comprising at least one selected low molecular weight (co) polymer (G) in a proportion of 2 to 30 parts by weight,
- Intrinsic viscosity [ ⁇ ] measured in 135 ° C decalin is in the range of 0.1 to 10 dl Zg
- An AES resin consisting of a copolymer of acrylonitrile, ethylene copolymer rubber (F) and styrene, obtained by blending styrene.
- ethylene copolymer rubber is simply used to refer to a first ethylene copolymer rubber, a second ethylene copolymer rubber, a third ethylene copolymer rubber, and a second ethylene copolymer rubber. It means any, plural or all of the four ethylene-based copolymers.
- crosslinking is used to include vulcanization by ⁇ , non-vulcanization by a vulcanizing agent other than ⁇ , and crosslinking by radiation or the like. I have.
- (meth) atari means “akuru” and / or “metacri”.
- (co) polymerization means “homopolymerization” and z or “copolymerization”.
- Examples of the olefin (b) having 3 to 20 carbon atoms used in the present invention include propylene, 1-butene, 1-pentene, 1-hexene, 3-methyl-1-butene, and 3-methylenone.
- ⁇ -olefin (b) can be used alone or in combination of two or more.
- ⁇ -olefin (b) ⁇ -olefin having 3 to 8 carbon atoms is preferable, and propylene, 1-butene, 1-hexene and 1-octene are particularly preferable.
- the triene compound (c) used in the present invention is a triene compound represented by the above formula (1).
- the triene compound (c) represented by the formula (1) has one double bond existing at the terminal of the molecule and two double bonds (present in the middle of a chain) other than the terminal. It is a triene compound.
- One terminal double bond is an ethylenic double bond, a double bond polymerizable with ethylene and ⁇ -olefin, but two double bonds in the middle of the chain are It does not participate in the above polymerization and remains in the side chain of the ethylene copolymer rubber.
- the triene compound (c) represented by the above formula (1) is a non-conjugated triene compound in which one polymerizable double bond among carbon and carbon double bonds is present in one molecule.
- Non-conjugated polyene (d) with two or more double bonds in one molecule Are distinguished.
- the polymerizable double bond means a double bond that can be polymerized with ethylene and polyolefin as described above.
- triene compounds (c) represented by the above formula (1) a triene compound in which R 3 and R 4 are both methyl groups is preferable, and ethylene obtained by using such a triene compound as a monomer raw material is preferable.
- the copolymer rubber is particularly excellent in the balance between the crosslinking speed and the scorch characteristics.
- triene compound (c) represented by the above formula (1) include the following compounds.
- the triene compound (c) represented by the formula (1) may be a mixture of a trans form and a cis form, or may be a trans form alone or a cis form alone. Also The triene compound (c) can be used alone or in combination of two or more.
- the triene compound (c) represented by the formula (1) can be produced, for example, by the method described in Japanese Patent Application No. 11-146429 filed by the present applicant. That is, it can be produced by reacting a triene compound having a conjugated gen structure represented by the following formula (2) (hereinafter referred to as a conjugated gen structure-containing triene compound) with ethylene.
- R ′, RR 3 and R 4 are the same as RR 2 , R 3 and R 4 in the formula (1), respectively.
- conjugated gen structure-containing triene compound represented by the formula (2) include the following compounds.
- the reaction between the conjugated gen structure-containing triene compound represented by the formula (2) and ethylene is carried out at a temperature of usually 30 to 200 ° C, preferably 50 to 150 ⁇ , and an ethylene pressure of usually 0.05 to 9 . 8MP a. (0. 5 ⁇ : L 00 kgf Zcm 2, gauge pressure), preferably rather is 0. 2 ⁇ 6 9 MP a (2 ⁇ 70 kgf Z cm 2, gauge pressure), reaction time usually It is desirable to carry out under the condition of 0.5 to 30 hours.
- the reaction atmosphere may be an atmosphere of ethylene alone or an atmosphere containing an inert gas such as nitrogen or argon together with ethylene.
- the reaction solvent need not be particularly used, but may be used.
- reaction solvent for example, hydrocarbon solvents such as hexane, heptane, octane, nonane, decane, pentadecane, tridecane, toluene and xylene can be preferably used.
- the reaction of the conjugated gen structure-containing triene compound represented by the formula (2) with ethylene is usually performed in the presence of a catalyst.
- the catalyst include a transition metal thiocyanate, an organic compound that can be a ligand of the transition metal of the salt, and an organic aluminum compound.
- a catalyst made of a substance can be used.
- the thiocyanate of the transition metal include a group 8 group such as iron and ruthenium; a group 9 group such as cobanoleto, rhodium and iridium; and a group 10 group such as nickel and palladium.
- the transition metal thiocyanate of choice may be mentioned.
- the organic compound which can serve as the ligand include tri-o-tolylphosphine, trietinolephosphine, tripropinolephosphine, tributinolephosphine, triphenylinolephosphine, and bis (diphenylinolephosphine).
- organoaluminum compound examples include trimethylaluminum, triethynolealuminum, triisobutylaluminum, dimethylaluminum chloride, getylaluminum chloride, ethylethyldichloride, and getylaluminum ethoxide.
- the structural unit derived from the triene compound (c) has a structure substantially represented by the above formula (1 ′).
- the fact that the structural unit derived from the triene compound (c) has the structure represented by the formula (1 ′) means that 13 C of this copolymer — It can be confirmed by measuring the NMR spectrum.
- the ethylene-based copolymer rubber of the present invention for example, ethylene'propylene / 4,8-dimethylene-1,4,8-decatriene copolymer rubber, is a known ethylene-propylene-5-ethylidene-2-
- the cross-linking speed is about twice as fast as that of norbornene terpolymer rubber, which reduces the cross-linking time (vulcanization time), lowers the cross-linking temperature (vulcanization temperature), or reduces the amount of vulcanization accelerator. It is possible. Furthermore, it has excellent scorch stability.
- the non-conjugated polyene (d) used in the present invention is a non-conjugated polyene having two or more, preferably two, polymerizable double bonds among carbon-carbon double bonds in one molecule.
- the polymerizable double bond means a double bond polymerizable with ethylene and ⁇ - refined as described in the section of the triene compound (c).
- Specific examples of such a polymerizable double bond include a double bond existing at the end of a chain hydrocarbon, for example, a double bond of a vinyl group and a aryl group, and a double bond of an alicyclic hydrocarbon.
- the non-copolyene (d) may contain, in addition to two or more polymerizable double bonds, an unsaturated bond which is not involved in the polymerization.
- non-conjugated polyene (d) used in the present invention include 5-alkeninole-2-nonolevonoleneene, such as 5-vinylinole-2-nonorebornene (VNB) and 5-aryl-12-norbornene; 2 , 5-Norenobonorerenagen (NBD), Dicyclopentane (DC PD), Tetracyclo [4.4.0. I 2 ' 5.
- VNB 5-vinylinole-2-nonorebornene
- NBD 5-Norenobonorerenagen
- DC PD Dicyclopentane
- Non-covalent genes in which two or more polymerizable double bonds are present in one molecule such as ⁇ , ⁇ _aliphatic genes such as 1,7-octadiene and 1,9-decadiene; Of these, 5-alkenyl-12-norbornoleneene, dicyclopentadiene, 2,5-norbornadiene, and 1,7-octadiene are preferred, and in particular, 2,5-norbornadiene (NBD), 5-alkenyl-12-nonorbornene Is preferred.
- NBD 2,5-norbornadiene
- Other monomers may be copolymerized in the ethylene copolymer rubber of the present invention.
- the other monomer include a non-conjugated diene other than the non-conjugated polyene (d), for example, a non-conjugated diene having only one polymerizable carbon-carbon double bond per molecule.
- cyclic olefins and the like can be mentioned.
- Non-conjugated gens are preferred.
- the non-conjugated gen in which only one polymerizable carbon-carbon double bond is present in one molecule is an aliphatic gen or an alicyclic moiety having one carbon-carbon double bond and an internal olefin bond. And a chain portion having (carbon-carbon double bond). Of these, alicyclic gens are preferred.
- aliphatic genes other than the non-conjugated polyene (d) used as the other monomer include 1,4-hexadiene, 1,6-octadiene, 3-methyl-1,4-hexadiene, and 4-methynolene. 1, 4—hexadiene, 5—methinole 1,
- 6-ethyl-1,6-decadiene 7-methyl-1,6-decadiene, 7-ethyl-1,6-decadiene, 7-methyl-1,1,7-decadiene, 8-methyl-1,7-decadiene, 7 —Ethyl 1,7—decadiene, 8—ethinole 1,7—decadiene, 8—methyl-1,8—decadiene, 9—methyl-1,1,8—decadiene, 8—ethyl—1,8—decadiene, 6 —Methyl-1,6-dendecadiene, 9-Methyl-1,8-dendecadiene and the like.
- alicyclic genes other than the non-conjugated polyene (d) used as other monomers include 5-ethylidene-12-norbornene, 5-propylidene-12-norbornene, and 5-butylidene-2-norbornene.
- Norbornene derivatives; norpolnadene derivatives such as 2-methinole-1,5-nonolevonorenagen and 2-ethinole 2,5-nonolevonorenagen. Of these, 5-ethylidene-12-norbornene is preferred.
- the non-conjugated gen used as the other monomer can be used alone or in combination of two or more.
- cyclic olefin used as the other monomer examples include bicyclo [2.2.1] hept-12-ene or a derivative thereof,
- Pentacyclopentapentadiene or a derivative thereof
- the cyclic olefin can be produced by a Diels-Alder reaction between a cyclic pentagen and an olefin having a corresponding structure.
- the first ethylene-based copolymer rubber of the present invention is an ethylene / ⁇ -olefin′-triene copolymer rubber. If necessary, non-conjugated poly (d) having two or more polymerizable double bonds in one molecule may be copolymerized.
- the first ethylene copolymer rubber of the present invention is derived from ethylene (a), ⁇ -olefin (b) having 3 to 20 carbon atoms, and a triene compound (c) represented by the above formula (1). Structural units are randomly arranged and linked. And it has an unsaturated bond originating from the triene compound (c) represented by the above formula (1).
- the main chain of the first ethylene copolymer rubber of the present invention has a substantially linear structure.
- the fact that the first ethylene-based copolymer rubber has a substantially linear structure and substantially does not contain a gel-like cross-linked polymer means that the copolymer rubber is dissolved in an organic solvent and the insoluble matter is substantially reduced. It can be confirmed by not including it specifically. For example, when the intrinsic viscosity [77] is measured, it can be confirmed by the copolymer rubber being completely dissolved in decalin at 135 ° C.
- the structural unit derived from the triene compound (c) has a structure substantially represented by the above formula (1 ′).
- the first ethylene copolymer rubber of the present invention has a molar ratio (ethylene ⁇ ⁇ ⁇ ⁇ ⁇ -olefin) force of a structural unit derived from ethylene (a) and a structural unit derived from ⁇ -olefin (b). 955-40 / 60, preferably 90 / 10-550, more preferably 85-155-545, particularly preferably 85 / 15-640. is there. Since the molar ratio is within the above range, a crosslinked rubber molded article for sealing (crosslinked rubber molded article for sealing) having excellent mechanical strength and excellent low-temperature flexibility can be obtained.
- the first ethylene copolymer rubber of the present invention has an intrinsic viscosity [ ⁇ ] of 0.1 to 10 dl Zg, preferably measured at 135 ° C. in decalin (decahydrona phthalene). 0.5 to 5 dl Zg, more preferably 0.7 to 4.0 d 1 Zg. Since the ultimate viscosity [] is in the above range, a crosslinked rubber molded article for sealing excellent in balance between processability and strength can be obtained.
- the content of the structural unit derived from the triene compound (c) represented by the above formula (1) is 0.1 to 10 mol%, preferably 0.5 to 0.5 mol%. to 7 mole 0/0, more preferably from 1 to 5 mol%. Since the content of the structural unit derived from the triene compound (c) is in the above range, an ethylene copolymer rubber having a high crosslinking rate and excellent scorch stability can be obtained.
- the structural unit derived from the triene compound (c) has a structure substantially represented by the above formula (1 ′).
- the structural unit derived from the triene compound (c) represented by the formula (1) is represented by the formula
- non-conjugated polyene (d), the non-conjugated diene, the cyclic olefin, etc. may be mentioned as the other monomer.
- non-conjugated Poryen (d) is in the above range, excellent extrusion processability, No gel-like cross-linked polymer is formed, and long-chain branching is introduced to improve moldability.
- the content of the structural unit derived from another monomer of the first ethylene-based copolymer rubber of the present invention is 30 mol / 0 or less, preferably 0.5, relative to the structural units derived from all the monomers. ⁇ 1 0 mole 0/0, it is desirable. non By copolymerizing the conjugated polyene ( d ) and Z or other non-conjugated gen, it is possible to control the rate of crosslinking.
- I-PSt-Mi-PSt [ ⁇ ] G EPR ⁇ Mi-EPR
- i-EPR 7.2
- X10-4Mi-EPRO.667 is used to convert the molecular weight into EPR-equivalent molecular weight Mi-EPR.
- ⁇ indicates a weight fraction.
- [7j] blank ' is calculated, and g' is obtained from the ratio of [ ⁇ ] and.
- the g 'value of the first ethylene copolymer rubber of the present invention is 0.95 or less, Indicates that there is a long chain branch in the molecule.
- Such a first ethylene copolymer rubber has a low viscosity at a high shear rate during processing such as kneading and molding, and has a low viscosity at a low shear rate after molding and before crosslinking (vulcanization).
- the viscosity is high. Therefore, the first ethylene copolymer rubber having the g 'value as described above is excellent in processability such as kneading and molding, and retains its shape before crosslinking after crosslinking. Thus, it is possible to obtain a crosslinked rubber molded article for sealing excellent in sealing performance.
- the g 'of the second ethylene copolymer rubber of the present invention is not limited, and the complex viscosity [ ⁇ ] at 8 radZ sec, and the complex viscosity [7j] and 0.01 rad / sec. It is the same as the first ethylene copolymer rubber except that the ratio ([ ⁇ *] / [ ⁇ 7)) to the complex viscosity [ ⁇ *] at the time is limited.
- the second ethylene-based copolymer rubber of the present invention has a complex viscosity at 8 radZsec in the evaluation of the frequency dependence of the complex viscosity [7; *] obtained from the dynamic viscoelasticity at 190 ° C. If the ratio [*] is 2 X 10 3 Pa ⁇ S or more, the ratio of the complex viscosity [* A ] of the parentheses to the complex viscosity [ ⁇ * B ] at 0.1 Lad / sec ([ ⁇ * beta] / [eta]) is 35 or more, preferably [eta * Alpha] is in 2 X 1 0 3 ⁇ 2 X 1 0 5 P a ⁇ S, and [eta * beta] / [7j * A] 3 5-300, more preferably at [7j * a] is 2 X 1 0 3 ⁇ 2 X 1 0 5 P a. S, and [eta * B] / ⁇ ] is 3 5-2 50.
- the second ethylene copolymer rubber of the present invention has a ratio of [7? * A ] and [* ⁇ ] / [ ⁇ * ⁇ ] within the above range, a high shear rate during processing such as kneading and molding is used. It exhibits low viscosity at the bottom and high viscosity at a low shear rate after molding and before crosslinking (vulcanization). Therefore, the second ethylene-based copolymer rubber of the present invention is excellent in processability such as kneading and shaping, and has excellent shape retention after cross-linking. You can get the body.
- the second ethylene copolymer rubber of the present invention can adopt a condition of raising the compound temperature using a UHF vulcanization tank when cross-linking, and is capable of high-speed molding and high foaming. Become. Furthermore, the resulting product does not deform.
- the complex viscosity [ ⁇ ; * A ] at 8 rad Z sec is a value almost corresponding to the mu-212 viscosity.
- [ ⁇ * ⁇ ] / 7 *) is an index indicating the degree of branching of the ethylene-based copolymer rubber. The larger this value is, the more excellent the sponge product obtained is in shape retention.
- [7j * B ] / [ ⁇ * ⁇ ] is ([77] [ ⁇ * ⁇ ]) ⁇ [1—oil extension (100+ (The oil extension amount)] (where the oil extension amount is the amount (parts by weight) of the softening agent added to 100 parts by weight of the ethylene-based copolymer rubber).
- the first and second ethylene-based copolymer rubbers of the present invention can be prepared by adding ethylene (a) and ⁇ -olefin having 3 to 20 carbon atoms in the presence of a catalyst, preferably a metallocene catalyst.
- the catalyst examples include a transition metal compound (e) such as vanadium (V), zirconium (Zr), and titanium (Ti), an organoaluminum compound (f) and / or an ionized ionic compound (g). Can be preferably used.
- a transition metal compound such as vanadium (V), zirconium (Zr), and titanium (Ti)
- an organoaluminum compound f
- g ionized ionic compound
- the catalyst include:
- a titanium-based catalyst comprising a solid titanium catalyst component (e-1) and an organoaluminum compound (f-11);
- a vanadium-based catalyst comprising a soluble vanadium compound (e_2) and an organoaluminum compound (f-11);
- meta-mouth catalyst containing the meta-mouth compound (e-3), preferably a transition metal meta-mouth compound (e-3) selected from Group 4 of the periodic table, and an organic aluminum nitroxide compound (e-3) and a meta-acene catalyst comprising an ionized ionic compound (g-1) which forms an ion pair in reaction with the ⁇ -2) and / or the meta-acene compound (e-3).
- a meta-mouth catalyst is preferred.
- M is a transition metal atom of Group IVB of the periodic table, specifically, titanium, zirconium, or hafnium, and particularly preferably zirconium.
- R 1 is a hydrocarbon group having 1 to 6 carbon atoms, specifically, methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, isobutyl group, sec-butyl group, te rt -Alkyl groups such as -butyl group, n-pentyl group, neopentyl group, n-hexyl group and cyclo-3-hexyl group; and alkenyl groups such as bier group and propenyl group.
- a primary alkyl group is preferred for the carbon bonded to the indenyl group, an alkyl group having 1 to 4 carbon atoms is more preferred, and a methyl group and an ethyl group are particularly preferred.
- R 2 , R 4 , R 5 and R 6 may be the same or different, and are a hydrogen atom, a nitrogen atom or a hydrocarbon group having 1 to 6 carbon atoms described for R 1 .
- the halogen atoms are fluorine, chlorine, bromine, and iodine.
- R 3 is an aryl group having 6 to 16 carbon atoms.
- the aryl group may be substituted with, for example, the halogen atom, a hydrocarbon group having 1 to 20 carbon atoms, and Z or an organic silyl group.
- Specific examples of the aryl group include a phenyl group, an ⁇ -naphthyl group, a 3-naphthyl group, an anthracenyl group, a phenanthryl group, a pyrenyl group, and an acyl group.
- Examples include a naphthyl group, a phenalenyl group, an aceanthrenyl group, a tetrahydronaphthyl group, an indanyl group and a biphenylyl group. Of these, a phenyl group, a naphthyl group, an anthracenyl group and a phenanthryl group are preferred.
- Examples of the hydrocarbon group having 1 to 20 carbon atoms as a substituent of the aryl group include a methyl group, an ethyl group, a propyl group, a butyl group, a hexyl group, a cyclohexyl group, an octyl group and a noninole group.
- organic silyl group examples include a trimethylsilyl group, a triethylsilyl group, and a triphenylsilyl group.
- X 1 and X 2 may be the same or different from each other, and may be a hydrogen atom, the halogen atom, or may be substituted with the halogen atom, the hydrocarbon group having 1 to 20 carbon atoms, and an oxygen-containing group. Or an i-containing group.
- oxygen-containing group examples include an alkoxy group having 1 to 20 carbon atoms such as a hydroxyl group, a methoxy group, an ethoxy group, a propoxy group and a butoxy group; a phenoxy group, a methylphenoxy group, and a dimethyloxy group.
- Aryloxy groups such as enoxy group and naphthoxy group; aryl groups such as phenylmethoxy group and phenylethoxy group.
- the zeo-containing group include: a substituent in which the oxygen of the oxygen-containing group is substituted with zeo; Xy group, p-toluene sulphonyloxy group, trimethinolebenzenesulfonyloxy group, triisobutyltyl Sulfonyloxy group, p-chlorobenzenesulfonyloxy group, pentafluorobenzenesulfoninoleoxy group, etc .; sulfonyloxy group; methinolesulfoninole group, phenenolesnolehoninole group, benzenesnolehoninole group, p- And a sulfonyl group such as a tonoleensnorefoninole group, a trimethylbenzenesulfoninole group, and a pentafluorobenzenesnolephonyl group.
- X 1 and X 2 are preferably a halogen atom or a hydrocarbon group having 1 to 20 carbon atoms.
- Y is a divalent hydrocarbon group having 1 to 20 carbon atoms; a divalent halogenated hydrocarbon group having 1 to 20 carbon atoms; a divalent silicon-containing group; a divalent germanium-containing group; , One CO—, — S—, — SO—, — S0 2 —, one NR 7 —, one P (R 7 ) one, one P (O)
- R 7 is a hydrogen atom, the halogen atom, the hydrocarbon group having 1 to 20 carbon atoms, or one or more of the above. Represents a hydrocarbon group having 1 to 20 carbon atoms, which is substituted by a halogen atom.
- Specific examples include a methylene group, a dimethylmethylene group, an ethylene group, a dimethylethylene group, a trimethylene group, and a tetramethylene group.
- Alkylene groups such as 1,1,2-cyclohexylene group; alkylidene groups such as cyclohexylidene group; divalent having 1 to 20 carbon atoms such as arylalkylene groups such as diphenylmethylene group and diphenylethylene group; A halogenated hydrocarbon group obtained by halogenating the divalent hydrocarbon group having 1 to 20 carbon atoms, for example, chloromethylene; methinoresylene, dimethinoresylene, getylsilylene, and di ( n-propyl) silylene group, di (i-propyl) silylene group, di (cyclohexylene) silylene group, methinorefenylsilylene group, diphenylsilylene group, di (p-tolyl) silylene group , Di (p-chlorophenyl) silylene, alkylsilylene, alkylarylsilylene, arylnosilylene, tetramethyl-1,2-dis
- a divalent silicon-containing group such as an alkyldisilyl group, an alkylaryldisilyl group, or an arylaryldisilyl group; and a divalent germanium obtained by substituting the aforementioned divalent silicon-containing group for silicon with germanium.
- organic groups such as an alkyldisilyl group, an alkylaryldisilyl group, or an arylaryldisilyl group.
- Y is preferably a divalent silicon-containing group or a divalent germanium-containing group, more preferably a divalent silicon-containing group, such as an alkylsilylene group or an alkylarylsilyl group. Particularly preferably, it is a ren group or an arylsilylene group.
- rac-Dimethinoregenoleminolebin (2-n-propynole-1-4-pheninole-1-indenyl) Zirconium dichloride and the like.
- a compound in which zirconium in the meta-acene compound described above is replaced with titanium or hafnium can also be mentioned.
- a racemic form of the meta-acene compound is used as a catalyst component, but R-type or S-type can also be used.
- meta-mouth compounds e-3
- e-3 two or more kinds of the meta-mouth compounds
- the organoaluminoxy compound (f-2) used in the preparation of the metallocene catalyst may be a conventionally known aluminoxane, or may be a benzene as exemplified in JP-A-2-76867. It may be an insoluble organoaluminoxy compound.
- a conventionally known aluminoxane can be produced, for example, by the following method.
- the aluminoxane may contain a small amount of an organic metal component. From the recovered aluminoxane solution, a solvent or unreacted organic aluminum is used. After removing the compound by distillation, the compound may be redissolved in a solvent.
- organoaluminum compound used in the production of aluminoxane include trimethylaluminum, triethylaluminum, tripropylanoreminim, triisopropylaluminum, trin-butylaluminum, and triisobutylanoreminium.
- Trialkyl aluminum such as tri-sec-butynole aluminum, tri-tert-butyl aluminum, tripentyl alcohol, trihexyl aluminum, trioctyl aluminum, tridecyl aluminum, etc .; Tricycloanolequinolenoremium, such as dimethyl and tricyclooctylanoreminem; dimethinorea> »reminium chloride, cetinoleanoremine chloride, getyl aluminum bromide, Dialkylaluminum halides such as diisobutylaluminum chloride; dialkylaluminum hydrides such as getylaluminum hydride and diisobutylaluminum hydride; dimethylaluminum methoxide and ethynolenoleminium ethoxide; Dianolequinoleanolene dimethyl alkoxide; dianolealkyl aluminum dimethyl oxide such as getyl aluminum dimethyl phenoxide; and the like. Of these
- organoaluminum compound used for preparing the aluminum Noo hexane formula (i - C 4 H 9) xA 1 y (C 5 H 1 0) z ( wherein, x, y, z are It is a positive number and ⁇ 2 x.)
- Isoprenyl aluminum represented by the following formula can also be used.
- the above-mentioned organoaluminum compounds may be used in combination of two or more.
- Solvents used in the production of aluminoxane include, for example, aromatic hydrocarbons such as benzene, toluene, xylene, tamene, and cymene; pentane, hexane, heptane, octane, decane, dodecane, hexadecane, octadecane, and the like.
- Aliphatic hydrocarbons such as cyclopentane, cyclohexane, cyclooctane and methylcyclopentane; hydrocarbon solvents such as petroleum fractions such as gasoline, kerosene and gas oil; and the above-mentioned aromatic hydrocarbons and fats Group hydrocarbon, alicyclic hydrocarbon halogen And especially halogenated hydrocarbon solvents such as chlorinated compounds and brominated compounds.
- ethers such as ethyl ether and tetrahydrofuran can also be used.
- aromatic hydrocarbons are particularly preferred.
- the ionized ionizable compound (g_1) which forms an ion pair by reacting with the meta-mouth compound (e-3) is disclosed in Japanese Patent Application Publication No. 1-501950 (corresponding international publication) No .: WO 8 8/0 5 7 9 2), Tokiohei 1-50 20 36 (corresponding international publication number: W090 / 048 9 9), Japanese Patent Laid-Open No. 3-179005 (corresponding USPN o. 5 6 1 0 9 2, 5 7 6 3 54 9, 5 80 7 9 3 9, 588 3 202 2), Japanese Unexamined Patent Publication No. 3-179910 (corresponding USPN o. 544 3 6 1 3 ), Japanese Patent Application Laid-Open No. 3-207703 (corresponding to SPN o.
- Lewis acid examples include a magnesium-containing Lewis acid, an aluminum-containing Lewis acid, and a boron-containing Lewis acid. Of these, boron-containing Lewis acids are preferred. As the boron-containing Lewis acid, specifically, the following formula:
- R 8 , R 9 and R 1Q each independently represent a fluorine atom, a methyl group, a fuel group which may have a substituent such as a trifluoromethyl group, or a fluorine atom.
- R 8 , R 9 and R 1Q each independently represent a fluorine atom, a methyl group, a fuel group which may have a substituent such as a trifluoromethyl group, or a fluorine atom.
- boron-containing Lewis acid represented by the above formula
- examples of the boron-containing Lewis acid represented by the above formula include trifluoroboron, triphenylenolevone, tris (4-phenylolenophenylene) boron, and tris
- the ionic compound is a salt composed of a cationic compound and an anionic compound.
- the anion has a function of stabilizing the transition metal cation species by reacting with the meta-mouth compound (e-3) to cationize the meta-mouth compound (e-3) and forming an ion pair.
- anions include an organic boron compound anion, an organic arsenic compound anion, and an organic aluminum compound anion.
- Anion which is relatively bulky and stabilizes a transition metal cation species is preferable.
- the cation include a metal cation, an organometallic cation, a carbonium cation, a tripium cation, an oxonium cation, a snorephonium cation, a phosphonium cation, and an ammonium cation.
- the ionic compound is preferably an ionic compound having an organoboron compound anion. Specifically, triethylammoniumtetra (phenyl) boron, tripropylammoniumtetra (phenyl) boron, tri ( ⁇ -butyl) ammoniumtetra (phenyl) boron, trimethylammoniumtetra ( ⁇ -tri) B) Boron, trimethylammonium tetra (0-trinole) Boron, triptylummonium tetra (pentaphnoleolophenyl) boron, trippropinoleammonium tetra (2,4-dimethylphenyl) boron, tributylammonium tetra (3,5-dimethylphenyl) boron, tributylammoniumtetra ( ⁇ -trifluoromethylphenyl) boron, tri ( ⁇ -butyl) ammoniumtetra ( ⁇ -tolyl)
- Examples include triarylphosphonium salts such as (methylphenyl) phosphoniumtetra (phenyl) boron and tri (dimethylphenyl) phosphoniumtetra (phenylene) boron.
- boron-containing ionic compounds examples include triphenylcarbenedetramakis (pentafluorophenyl) borate, N, N-dimethylaniliniumtetrakis (pentaphnoleolopheninole) borate, and ferrocene Pemtetra (pentaphnoleolophenyl) borate can also be mentioned.
- ionic compounds containing a boron atom can also be exemplified.
- the counter ion in the ionic compounds listed below is tri ( ⁇ -butyl) ammonium, but is not limited thereto.
- Anion salts for example bis [tri (n-butyl) ammonium] nonaborate, bis [tri (n-butyl) ammonium] decaborate, bis [tri (n-butyl) ammonium] dexaborate, bis [tri (n-butyl) ammonium] Ammonium] dodecaborate, bis [tri (n-butyl) ammonium] decachlorodecaborate, bis [tri (n-butyl) ammonium] dodecacarbo dodecaborate, tri (ti-butyl) ammonium-1-carbaldehydecarbarate, Tri (n-butyl) ammonium-1-carboundecaborate, tri (n-butyl) ammonium-1-carbadodecaborate, tri (n-butyl) ammonium-1-trimethylsilyl-1-carbadecaborate, tri ( n-butyl) ammonium bromo-1-carbadodecaborate,
- borane compounds, carborane complex compounds, and salts of carborane anions include decaborane (14), 7,8-dicalound borane (13), 2,7-dicalound borane (13), and pendehydrid De-7,8-dimethyl-7,8-dicarbaun Decaborane, dodecahydrido-11-methyl-2,7-dicarpound power borane, tri (n-butyl) ammonium 6-force rubadecaborate (14), tri (ti-butyl) ammonium 6-force rubadecaborate (12) , Tri (n-butyl) ammonium 7-potassium carbodelate (13), tri (n-butyl) ammonium 7,8-dicarboundeborate (1 2), tri (n-butyl) ammonium 2,9-dicarbanedecamate Borate (1 2), tri (n-butyl) ammonium decahydrate-8-methyl 7,9-dicalboundecaborate, tri (n
- carborane compounds and salts of carboranes include, for example, 4-potassium rubanona borane (14), 1,3-dicarpanona borane (13), 6,9-dicarbadecaborane (1
- the counter ion in the ionic compounds listed below is tri (n-butyl) ammonium, but is not limited to this.
- Metal carborane salts and metal borane anions such as tri (n-butyl) ammonium bis (nonahihydrido-1,3-dicarpanonaborate) cobaltate (111), tri ( ⁇ -butyl) ammonium bis (indecahydrido-7) 8-dicaloundecaborate) Ferrate (ferrate) (111), tri (n-butyl) ammonium bis (dedecahydride-7,8-dicarpinedecaborate) Cobaltate (111), tri (n- B Chillammonium bis (decahydrido-7,8-dicaloundecaborate) nickelate (111), tri (n-butyl) ammonium bis (dedecahydride-7,8-dicaloundecaborate) cubate (cuprate) (111), tri (n-butyl) ammonium bis (dedecahydride-7,8-dicarboundecaborate) perlate (metal salt) (111), tri (n-
- the ionized ionic compound (g-1) as described above may be used in combination of two or more.
- the organoaluminum compound (f-11) used in the present invention has, for example, the following formula (a):
- R 11 is a hydrocarbon group having 1 to 12 carbon atoms
- X is a halogen atom or a hydrogen atom
- n is 1 to 3.
- R 11 is a hydrocarbon group having 1 to 12 carbon atoms, for example, an alkyl group, a cycloalkyl group or an aryl group, and specifically, a methyl group, an ethyl group, an n-propyl group, Isopropyl group, isobutyl group, pentyl group, hexyl group, octinole group, cyclopentinole group, cyclohexinole group, pheninole group, and tolyl group.
- organoaluminum compounds include trialkylaluminum, trimethylaluminum, triisopropylaluminum, triisopropylaluminum, triisobutylinoleumium, trioctylaluminum, and tri-2-ethylhexylanoleminium.
- Alkenyl aluminum such as isopreninoleanoleminium; dimethinolenoleminium chloride, getinoleanolene chloride, diisopropylaluminum chloride, diisobutylaluminum Dialkylaluminum halides such as chloride and dimethylanoleminimum chloride; methylaluminum sesquichloride, ethylaluminum sesquichloride, isopropyl alcohol sesquichloride, butynolenole Alkyl aluminum sesquihalides, such as dimethyl sesquichloride and ethinorea dimethyl sesquibromide; methyl aluminum dimethyl dichloride, ethynole aluminum dichloride, isopropyl aluminum dichloride, ethyl ethyl dimethyl dibromide, etc. Alkyl aluminum dihalides; alkyl aluminum hydrides such as getyl aluminum dimethyl hydride and diisobutyl aluminum
- organoaluminum compound (f-1) the following formula (b):
- R 11 is the same as R 11 in the formula (a)
- Y is -OR 12 group, - O SiR 13 3 group one OA l R 14 2 group, - NR 15 2 group, one S i R 16 3 group or - n
- R 17 is a 1 R 18 2 group, n is 1 ⁇ 2, R 12, R 13, R 14 and R 18, methylation group, Echiru group Isopropyl group, isobutyl group, cyclohexyl group, phenyl group, etc.
- R 15 is a hydrogen atom, methyl group, ethyl group, isopropyl group, phenyl group, etc.
- R 16 and R 17 are a methyl group, an ethyl group, and the like.
- organoaluminum compound examples include the following compounds.
- R 1 A 1 (OR 12 ) 3 -n Compounds represented by R 1 A 1 (OR 12 ) 3 -n , for example, dimethylaluminum methoxide, getylaluminum ethoxide, diisobutylaluminum methoxide and the like.
- R 1X A compound represented by R 1X loveA 1 (O SiR-., for example, (C 2 H 5 ) 2 A 1 (O Si (CH 3 ) 3 ), (iso-C 4 H 9 ) 2 A 1 ( O Si (CH 3 ) 3 ), (iso-C 4 H 9 ) 2 A 1 (OS i (C 2 H 5 ) 3 ) and the like.
- R 1 A 1 (OA 1 R 14 2 ) 3 -n a compound represented by R 1 A 1 (OA 1 R 14 2 ) 3 -n , for example, (C 2 H 5 ) 2 A 1 (OA 1 (C 2 H 5 ) 2 ), (iso-C 4 H 9 ) 2 A 1 (OA 1 (iso—C 4 H 9 ) 2 ) and the like.
- organoaluminum compounds represented by R " 3 A 1, R ll travel A 1 (OR 12 ) 3- pleasantand R ll encounter A 1 (OA 1 R 1 2 ) 3 -n
- organic aluminum compounds can be used alone or in combination of two or more.
- the meta-oral cene catalyst used in the present invention contains the meta-oral cene compound (e-3).
- meta mouth It may be formed from a compound (e_3) and an ionized ionic compound (g-1).
- the organoaluminoxy compound (f-2) and the ionized ionic compound (g-1) can be used together with the meta-mouth compound ( e -3). Further, in these embodiments, it is particularly preferable to further use an organoaluminum compound (III-1) in combination.
- the meta-opencane compound (e-3) is usually used in an amount of about 0.0005 to 0.1 millimol, preferably, in terms of transition metal atom, per liter of polymerization volume. It is used in an amount of about 0.001 to 0.05 millimol.
- the aluminum atom is usually about 1 to 100,000 moles, preferably 10 to 50,000 moles, per mole of the transition metal atom. It can be used in an amount such that it becomes 0 mol.
- the ionized ionic compound (gl) is used in an amount such that the boron atom is usually about 0.5 to 20 mol, preferably 1 to 10 mol per mol of the transition metal atom. .
- the organoaluminum compound (f-1) is usually added to the aluminum atom in the organoaluminum oxy compound (f_2) or the boron atom in the ionized ionic compound (gl) in an amount of about 1 mol. It is optionally used in an amount such that it becomes 0 to 1,000 moles, preferably about 0 to 500 moles.
- ethylene (a), ⁇ -olefin having 3 to 20 carbon atoms (b), and triene compound (c) are copolymerized using the meta-mouth catalyst, ethylene ′ has excellent polymerization activity.
- ⁇ -olefin ′ triene copolymer rubber can be obtained.
- the metallocene compound constituting a meta-mouth catalyst is used.
- E-3 the organoaluminoxy compound (f-1), the ionized ionic compound (g-1), and the organoaluminum compound (f-11) are separately supplied to the polymerization reactor.
- a meta-mouth compound e- The meta-mouth catalyst containing 3 may be prepared and then subjected to a copolymerization reaction.
- a solvent that is inert to the catalyst component and reaction can be used.
- an inert solvent include propane, butane, pentane, and hexane. , Heptane, octane, decane, dodecane, kerosene, etc., aliphatic hydrocarbons, cyclopentane, cyclohexane, methylcyclopentane, etc., alicyclic hydrocarbons, benzene, toluene, xylene, etc., aromatic hydrocarbons, ethylene chloride Halogenated hydrocarbons such as chlorobenzene and dichloromethane can be used. These solvents can be used alone or in combination.
- the meta-acene compound (e-3), the organoaluminumoxy compound (f-1), the ionized ionic compound (g-1) and the organoaluminum compound (f-1) are usually 100-200 ° C.
- the mixed contact can be carried out preferably at a temperature of from 70 to 100 ° C.
- the copolymerization of ethylene (a), ⁇ -olefin with 3 to 20 carbon atoms (b), and triene compound (c) is usually 40 to 200 °. Preferably at 50 to 150 ° C., more preferably at 60 to 120 ° C. and at atmospheric pressure to 9.8 MPa (100 kgf / cm 2 ), preferably at atmospheric pressure to 4.9 MPa a (50 kgf / cm 2 ), more preferably at atmospheric pressure to 2.9 MPa (30 kgf / cm 2 ).
- This copolymerization reaction can be carried out by various polymerization methods, but is preferably carried out by solution polymerization.
- the above-mentioned solvent can be used as a polymerization catalyst.
- the copolymerization can be performed by any of a batch system, a semi-continuous system, and a continuous system, but is preferably performed by a continuous system.
- the first and second ethylene copolymer rubbers of the present invention can be obtained by the above-mentioned method, and the molecular weight of the copolymer can be adjusted by changing polymerization conditions such as polymerization temperature. It can also be controlled by controlling the amount of hydrogen (molecular weight regulator) used.
- First and second ethylene copolymer rubbers of the present invention obtained as described above Has a fast cross-linking speed and excellent scorch stability and shape retention, and also has excellent workability, moldability, weather resistance, heat resistance, ozone resistance, cold resistance, and compression set resistance.
- the first and second ethylene copolymer rubbers of the present invention may be crosslinked singly or may be crosslinked with other rubber materials.
- first and second ethylene copolymer rubbers of the present invention have a high crosslinking rate, they require less time than conventional unsaturated olefin copolymers without using a large amount of a vulcanizing agent. Alternatively, it can be crosslinked at a low temperature.
- the expansion ratio during foam molding is stable, and foams can be produced with high productivity. That is, the expansion ratio of the foam is determined by a delicate balance between the initial viscosity of the raw material resin, the rate of increase in viscosity during molding, and the rate of decomposition of the foaming agent. The higher the rate of increase in viscosity, the shorter the viscosity Although it is difficult to control the expansion ratio due to a large change, the first and second ethylene copolymer rubbers of the present invention are excellent in scorch stability, so that the increase in viscosity during foam molding is small. A foam having a stable expansion ratio can be efficiently produced.
- first and second ethylene copolymer rubbers of the present invention have excellent scorch stability, they are also excellent in handling stability during processing. For example, when processing with an extruder, an extruder Traps due to an increase in viscosity, such as a decrease in discharge rate, an increase in motor load, or clogging of a cylinder or die due to an increase in viscosity due to the progress of crosslinking in the inside, are prevented.
- first and second ethylene copolymer rubbers of the present invention have excellent shape retention, they also have excellent handling stability during processing. For example, when processing with an extruder, an extruder Since the rubber composition has a small settling due to its own weight after being extruded and before cross-linking, it is easy to design the shape and make the cross section thinner.
- the first and second ethylene copolymer rubbers of the present invention have the above-mentioned properties. However, it is also characterized by excellent heat aging resistance, weather resistance and ozone resistance.
- the third ethylene-based copolymer rubber of the present invention has a molar ratio of a structural unit derived from ethylene (a) to a structural unit derived from a olefin having 3 to 20 carbon atoms (b).
- a-olefin is 955 to 4010, preferably 8515 to 550, more preferably 8218 to 5545. Since the molar ratio of ethylene ⁇ -olefin is in the above range, it exhibits properties as a rubber and has excellent low temperature characteristics.
- the content of the structural unit derived from the triene compound (c) of the third ethylene copolymer rubber of the present invention (hereinafter, may be simply referred to as the content of the triene compound (c)) is 0.1 to: L 0 mole 0/0, preferably from 0.2 to 8 mol%, more preferably from 0.5 to 5 mol%. Since the content of the triene compound (c) is within the above range, crosslinking such as vulcanization is easy, and the composition is excellent in environmental aging resistance.
- the content of the structural unit derived from the non-conjugated polyene (d) in the third ethylene copolymer rubber of the present invention (hereinafter, may be simply referred to as the content of the non-conjugated polyene (d)) is 0. 0 2-3 mole 0/0, preferably from 0.0 5 to 2.5 mole 0/0, rather more preferably is from 0.1 to 2.0 mol%. Since the content of the non-conjugated poly (d) is within the above range, the extrudability is excellent and no gel-like crosslinked polymer is produced.
- the molar ratio of the structural unit derived from the triene compound (c) to the structural unit derived from the non-conjugated polyene (d) (the triene compound non-conjugated polyene) ) Is 1/3 to 30 °, preferably 1Z2 to 20Z1, and more preferably 11 to 101.
- Third ethylenic copolymer rubber 1 3 5 ° C decalin (Dekahi Doronafu array type) intrinsic viscosity measured in [ ⁇ ] is 0. l ⁇ 1 0 dl / / g of the present invention, preferably 0. It is in the range of 5 to 5 dlg, more preferably 0.8 to 4 d1 Zg. Since the intrinsic viscosity is in the above range, the strength after crosslinking is excellent, and the workability is excellent.
- the third ethylene copolymer rubber of the present invention is excellent in extrusion moldability, has a high crosslinking rate, and has excellent mechanical properties such as crosslinking strength.
- the third ethylene copolymer rubber of the present invention may be used without being cross-linked, or may be used in a cross-linked state by being cross-linked by a cross-linking method as described below. When it is performed, its characteristics are further exhibited.
- the third ethylene copolymer rubber of the present invention may be used alone or cross-linked, or may be used after being cross-linked with another rubber material.
- the third ethylene-based copolymer rubber of the present invention has a high crosslinking rate, it can be crosslinked in a shorter time or at a lower temperature than a conventional ethylene-based copolymer rubber without using a large amount of a vulcanizing agent. Thus, a crosslinked rubber can be produced with high productivity.
- the third ethylene-based copolymer rubber of the present invention is particularly co-crosslinkable (co-vulcanizable) with natural rubber, styrene-butadiene rubber, isoprene rubber, butadiene rubber, nitrinole rubber, and chloroprene rubber.
- the third cross-linked product (co-vulcanizate) of ethylene-based copolymer rubber and gen-based rubber has excellent mechanical properties, abrasion resistance, and dynamic fatigue resistance inherent in gen-based rubber. It has excellent heat resistance, oil resistance, weather resistance, ozone resistance and heat aging resistance.
- the co-crosslinked product of the third ethylene copolymer rubber and the natural rubber of the present invention is excellent in strength, weather resistance, ozone resistance and dynamic characteristics.
- the co-crosslinked product of the third ethylene copolymer rubber and nitrile rubber of the present invention is excellent in weather resistance, ozone resistance and oil resistance.
- the co-crosslinked product of the third ethylene copolymer rubber and butadiene rubber of the present invention has excellent weather resistance, ozone resistance and abrasion resistance.
- the third ethylene copolymer rubber of the present invention is preferably used as a resin modifier or as a raw material for various rubber products.
- the third ethylene copolymer rubber of the present invention is used as a resin modifier and added to polypropylene, polyethylene, polybutene, polystyrene, etc., its impact resistance and stress crack resistance are dramatically improved. Can be improved.
- the third ethylene-based copolymer rubber of the present invention includes ethylene (a), ⁇ -olefin having 3 to 20 carbon atoms (b), a triene compound (c) represented by the above formula (1), and It can be produced by copolymerizing non-conjugated polyene (d) in the presence of a catalyst.
- the catalyst include a transition metal compound (e) such as vanadium (V), zirconium (Zr), and titanium (Ti); an organoaluminum compound (f); A catalyst consisting of
- a titanium-based catalyst comprising a solid titanium catalyst component (e_l) and an organoaluminum compound (f-11);
- a vanadium-based catalyst comprising a soluble vanadium compound (e-2) and an organoaluminum compound (f-1);
- a meta-mouth catalyst is preferred.
- the meta-mouth catalyst has a high activity
- the obtained third ethylene-based copolymer rubber has a narrow molecular weight distribution and composition distribution
- the conversion of the triene compound (c) represented by the above formula (1) is also high. high.
- the solid titanium catalyst component (e-1) is prepared by contacting a titanium compound, a magnesium compound, and an electron donor as described below.
- titanium compound a trivalent titanium compound or a tetravalent titanium compound is used, and a tetravalent titanium compound is preferable.
- a tetravalent titanium compound for example, T i (OR) j X 4—j (R is a hydrocarbon group, X is a halogen atom, 0 ⁇ j ⁇ 4)
- the magnesium compound used for preparing the solid titanium catalyst component (e-1) may be a magnesium compound having a reducing property or a magnesium compound having no reducing property.
- the magnesium compound having a reducing property include a magnesium compound having a magnesium-carbon bond and a magnesium-hydrogen bond.
- a compound derived from the magnesium compound having reducibility or a compound derived at the time of preparing the catalyst component can be used.
- a complex compound, a complex compound of these magnesium compounds with other metals, or a mixture with other metal compounds can also be used.
- These magnesium compounds may be a mixture of two or more kinds.
- a magnesium compound having no reducing property is preferred, and a halogen-containing magnesium compound is more preferred, and magnesium chloride, alkoxymagnesium chloride and aryloxymagnesium chloride are particularly preferred.
- Examples of the electron donor used for preparing the solid titanium catalyst component (e-1) include an organic carboxylic acid ester and a polycarboxylic acid ester.
- the solid titanium catalyst component ( e -1) can be produced by contacting the above titanium compound, magnesium compound (or metallic magnesium), and an electron donor.
- a known method for preparing a highly active titanium catalyst component from a titanium compound, a magnesium compound and an electron donor can be employed.
- the above components may be brought into contact in the presence of other reaction reagents such as, for example, silicon, phosphorus, and aluminum.
- organoaluminum compound (f-11) forming the titanium-based catalyst a compound having at least one A1-carbon bond in the molecule can be used.
- R 1 and R 2 are a hydrocarbon group containing usually 1 to 15, preferably 1 to 4 carbon atoms, which may be the same or different from each other.
- X is a halogen atom.
- m is 0 ⁇ m ⁇ 3
- n is 0 ⁇ n ⁇ 3
- p is O p 3
- M 1 is L i, N a or K
- R 1 is to be the same as the R 1 of formula (4).
- an electron donor can be used if necessary.
- an electron donor include an organic silicon compound represented by the following formula (6) or (7).
- R and R ' are hydrocarbon groups, and n is a number satisfying 0 ⁇ n ⁇ 4.
- R 1 is a cyclopentyl group or a cyclopentyl group having an alkyl group
- R 2 is an alkyl group, a cyclopentyl group, or a cyclopentyl group having an alkyl group
- R 3 is a hydrocarbon group
- m is 0 ⁇ m ⁇ 2.
- examples of the cyclopentyl group having an alkyl group of R 1 include a 2-methylcyclopentynole group, a 3-methynolecyclopentynole group, a 2-ethylcyclopentyl group, and a 2,3-dimethylcyclopentyl group.
- the olefin may be prepolymerized in the catalyst component forming the titanium-based catalyst. At the time of prepolymerization, 0.1 to 500 g per lg of titanium-based catalyst, preferably 0. It is desirable to prepolymerize ⁇ -olefins in an amount of 3 to 300 g, particularly preferably 1 to 100 g.
- the prepolymerization is preferably carried out under mild conditions by adding horefin and the above-mentioned catalyst component to an inert hydrocarbon medium.
- the ⁇ -olefin used in the prepolymerization may be the same as or different from the ⁇ -olefin (b) used in the polymerization of the third ethylene copolymer rubber.
- Examples of the soluble vanadium compound (e-2) forming the vanadium-based catalyst include a vanadium compound represented by the following formula (8) or (9).
- R is a hydrocarbon group
- X is a halogen atom.
- soluble vanadium compound (e-2) an electron donor adduct of a soluble vanadium compound obtained by contacting with an electron donor can also be used.
- organoaluminum compound (f-11) forming the vanadium-based catalyst the same compound as the aforementioned organoaluminum compound (f-1) forming the titanium-based catalyst can be used.
- the meta-mouth compound (e-3) forming the meta-mouth catalyst is a transition metal meta-mouth compound selected from Group 4 of the periodic table, and is specifically represented by the following formula (10). You.
- M is a transition metal selected from Group 4 of the periodic table
- X is a valence of the transition metal M
- L is a ligand.
- transition metal represented by M examples include zirconium, titanium, and hafnium.
- L is a ligand coordinated to a transition metal, and At least one of the ligands L is a ligand having a cyclic pentagenenyl skeleton.
- This ligand having a cyclopentagenenyl skeleton may have a substituent.
- Examples of the ligand L having a cyclic pentagenenyl skeleton include a cyclic pentadienyl group, a methylcyclopentageninole group, an ethylcyclopentagenenyl group, n- or i-propynolecyclopentagenenyl group, n-, i-, sec- or t-butylcyclopentageninole group, dimethylcyclopentagenenyl group, methylpropylbicyclopentageninole group, methylbutylcyclopentageninole group, methylbenzinoresin pentageninole group, etc. Alkyl or cycloalkenyl substituted cyclopentapentaenyl groups; and indenyl groups, 4,5,6,7-tetrahydroindenyl groups, fluorenyl groups and the like.
- the group having a cyclic pentagenenyl skeleton may be substituted with a halogen atom or a trialkylsilyl group.
- two of the groups having a cyclopentagenenyl skeleton are ethylene, An alkylene group such as propylene; a substituted alkylene group such as isopropylidene or diphenylmethylene; bonded through a substituted silylene group such as a silylene group or a dimethylsilylene group, a diphenylsilylene group, or a methylphenylsilylene group.
- Ligands other than ligands having a cyclopentadentenyl skeleton (ligands not having a cyclopentapentaenyl skeleton) L is a hydrocarbon group having 1 to 12 carbon atoms, an alkoxy group, an aryloxy group, sulfonic acid-containing group (- S 0 3 R a) , a halogen atom or a hydrogen atom (wherein, R a is substituted with an alkyl group, an alkyl group substituted with a halogen atom, ⁇ aryl group or a halogen atom or an alkyl group, And a reel group.)
- Examples of the hydrocarbon group having 1 to 12 carbon atoms of the ligand L include an alkyl group, a cycloalkyl group, an aryl group and an aralkyl group. More specifically, Alkyl such as benzyl, ethyl, n-propyl, isopropyl, n-butyl, isoptyl, sec-butyl, t-butyl, pentyl, hexyl, octyl, decyl and dodecyl Groups; cyclic alkyl groups such as pentyl group and hexahexyl group; aryl groups such as phenyl group and tolyl group; aralkyl groups such as benzyl group and neophyl group.
- Alkyl such as benzyl, ethyl, n-propyl, isopropyl, n-butyl, isoptyl, sec-butyl, t
- Examples of the alkoxy group of the ligand L include a methoxy group, an ethoxy group, and an n-propoxy group.
- Examples of the aryloxy group include a phenoxy group.
- the sulfonic acid-containing group (an S0 3 R a), methane sulfonato group, p- toluene Sunorehonato group, Application Benefits unloading Leo Lome chest Honoré Hona preparative group, such as p- chrono Les benzene Sno Reho isocyanatomethyl group.
- Halogen atoms include fluorine, chlorine, bromine and iodine.
- the meta-mouth compound represented by the formula (10) is more specifically represented by the following formula (11).
- M is a transition metal of the formula (10)
- R 2 is a group (ligand) having a cyclopentagenenyl skeleton
- R 3 , R 4 and R 5 are each independently a cyclopentane.
- a metamouth compound (e-3) in which M is zirconium and contains at least two ligands having a cyclopentagenenyl skeleton.
- R 2 , R 3 , R 4 and R 5 have a cyclopentagenenyl skeleton Groups (ligands), at least two of which use a bridge-type meta-cyclopentane compound linked via an alkylene group, substituted alkylene group, silylene group or substituted silylene group, etc. You can also.
- R 4 and R 5 are each independently the same as the ligand L other than the ligand having the cyclopentagenenyl skeleton described in the formula (10).
- bridge-type meta-mouth compounds examples include ethylenebis (indenyl) dimethylzirconium,
- Examples of the metallocene compound (e-3) include a metallocene compound represented by the following formula (12) and described in JP-A-4-268307 (corresponding to U.S. Pat. No. 5,243,001). Can be
- Ml is a metal belonging to Group 4 of the periodic table, and specific examples include titanium, zirconium, and hafnium.
- 1 ⁇ Oyobi 1 2 is a hydrogen atom; a carbon number of 1 to 10, preferably an alkyl group of from 1 to 3; 1 to 10 carbon atoms, preferably an alkoxy group having 1 to 3; Charcoal An aryl group having a prime number of 6 to 10, preferably 6 to 8; an aryloxy group having a carbon number of 6 to 10, preferably 6 to 8; an alkenyl group having a carbon number of 2 to 10, preferably 2 to 4; 7 to 40, preferably 7 to 10 arylalkyl groups; 7 to 40, preferably 7 to 12 alkylaryl groups; 8 to 40, preferably 8 to 12 arylalkenyl Or a halogen atom, preferably a chlorine atom.
- R 1 and R 2 may be the same or different from each other.
- R 3 and R 4 are a hydrogen atom; a halogen atom, preferably a fluorine atom, a chlorine atom or a bromine atom; an optionally halogenated carbon number of 1 to 10, preferably 1 to 4 alkyl groups; aryl groups having 6 to 10 carbon atoms, preferably 6 to 8 carbon atoms; —N (R 10 ) 2 , —SR 10 , —OS i (R 10 ) 3 , —S i (R 10 ) 3 or — P (R 1C1 ) 2 groups.
- R 3 and R 4 may be the same or different from each other.
- R s and R 6 are the same as R 3 and R 4 except for a hydrogen atom.
- R 5 and R 6 may be the same or different from each other, and are preferably the same.
- R 5 and R 6 are preferably an optionally halogenated alkyl group having 1 to 4 carbon atoms, specifically methyl, ethyl, propyl, isopropyl, butyl and isobutyl or trifluoro. And a methyl group.
- a methyl group is particularly preferred.
- the R ", R 12 and R L 3 represents a hydrogen atom, a halogen atom, a carbon number 1-1 0, preferably 1 to 4 alkylene group, more preferably a methyl group; Furuoroarukiru carbon number 1-1 0 Groups, preferably CF 3 groups; aryl groups having 6 to 10 carbon atoms, preferably 6 to 8 carbon atoms; A fluoroaryl group having 10 carbon atoms, preferably a pentafluorophenyl group; an alkoxy group having 1 to 10 carbon atoms, preferably 1 to 4 carbon atoms, particularly preferably a methoxy group; an alkenyl group having 2 to 10 carbon atoms, and preferably 2 to 4 carbon atoms.
- “Shaku 11 and R 12 ” or “ 11 and R 13 ” may form a ring together with the atom to which they are bonded.
- R ", R 12 and R 13 may be the same or different.
- the M 2 is Keimoto, germanium or tin, preferably Kei-containing or germanium beam.
- m and n are each 0, 1 or 2, preferably 0 or 1, and m + n is 0, 1 or 2, preferably 0 or 1. m and n may be the same or different.
- the meta-acene compound (e-3) represented by the formula (12) can be produced by a known method (for example, see JP-A-4-268307 (corresponding US Pat. 24 30 0 1)).
- Examples of the metallocene compound (e-3) include a metallocene compound represented by the following formula (13). Compounds can also be used.
- M represents a transition metal atom of Group 4 of the periodic table, specifically, titanium, zirconium, hafnium, or the like.
- R 1 and R 2 each independently represent a hydrogen atom, a halogen atom, a hydrocarbon group having 1 to 20 carbon atoms, a halogenated hydrocarbon group having 1 to 20 carbon atoms, It represents an oxygen-containing group, an oxygen-containing group, an oxygen-containing group, a nitrogen-containing group or a phosphorus-containing group.
- R 1 and R 2 include:
- Halogen atoms such as fluorine, chlorine, bromine and iodine
- Alkyl groups such as meth / yl, ethynole, propynole, butynole, hexinole, cyclohexynole, octinole, noel, dodecyl, eicosyl, norbornyl, adamantyl, alkenyl groups such as vinyl, propenyl and cyclohexyl, and benzyl
- Arylalkyl groups such as phenylphenol, phenylphenol, phenylpropyl, etc., phenylphenol, trinole, dimethylphenyl, trimethylphenyl, ethylphenyl, propylphenylphenol, biphenylphenol, naphthinole, methylnaphthynone, anthracenyl, phenylamine, etc.
- a hydrocarbon group having 1 to 20 carbon atoms such as;
- Monohydrocarbons such as methylsilyl and phenylsilyl
- Dihydrosilyl such as diphenylsilyl, trimethylsilyl, triethynolesilinole, tripropylsilinole, tricyclohexylsilyl, triphenylsilole, dimethylphenylsilinole, methyldiphenylsilyl, methyldiphenylsilyl, tritrinosilylyl, trinaphthylsilyl, etc.
- a trihydrocarbon-substituted silyl
- Silyl ethers of hydrocarbon-substituted silyls such as trimethylsilyl ether, silicon-substituted alkyl groups such as trimethylsilylmethyl, and silicon-substituted aryl groups such as trimethylsilylphenyl
- Silicon-containing groups such as;
- Alkoxy groups such as hydroxy, methoxy, ethoxy, propoxy, and butoxy; aryloxy groups such as phenoxy, methinolephenoxy, dimethinolephenoxy, and naphthoxy; phenylinolemethoxy, phenylethoxy, etc.
- Oxygen-containing groups such as arylinoreoxy groups
- I-containing groups such as substituents in which the oxygen of the oxygen-containing group has been substituted with iodine; alkyl groups such as amino groups, methylamino, dimethylamino, getylamino, dipropylamino, dibutylamino, dicyclohexylamino, phenylamino, diphenylamino, ditriamino.
- a nitrogen-containing group such as an arylamino group such as dinaphthylamino, methylphenylamino, or an alkylarylamino group;
- phosphorus-containing groups such as phosphino groups such as dimethylphosphino and diphenylphosphino.
- R 1 is preferably a hydrocarbon group, particularly preferably an alkyl group having 1 to 3 carbon atoms, such as methyl, ethyl or propyl.
- R 2 is preferably hydrogen or a hydrocarbon group, particularly preferably hydrogen or an alkyl group having 1 to 3 carbon atoms such as methyl, ethyl or propyl.
- R 3 , R 4 , R 5 and R 6 each independently represent a hydrogen atom, a halogen atom, a hydrocarbon group having 1 to 20 carbon atoms, or a halogenated carbon atom having 1 to 20 carbon atoms. Shows a hydrogen group. Among them, it is preferable to use hydrogen, a hydrocarbon group or a halogenated hydrocarbon group. At least one pair of R 3 and R 4 , R 4 and R 5 , and R 5 and R 6 together with the carbon atom to which they are attached form a monocyclic aromatic ring. Is also good.
- the groups other than the groups forming the aromatic ring may be bonded to each other to form a ring.
- R 6 is a substituent other than an aromatic group, it is preferably a hydrogen atom.
- R 3 , R 4 , R 5 and R 6 of the formula (13) the halogen atom, the hydrocarbon group having 1 to 0 carbon atoms, and the halogenated hydrocarbon group having 1 to 20 carbon atoms include the aforementioned R 1 the same thing can be mentioned with your beauty R 2.
- X 1 and X 2 each independently represent a hydrogen atom, a halogen atom: an atom, a hydrocarbon group having 1 to 20 carbon atoms, a halogenated hydrocarbon group having 1 to 20 carbon atoms, and an oxygen-containing group. Or an i-containing group.
- halogen atom the hydrocarbon group having 1 to 20 carbon atoms
- halogenated hydrocarbon group having 1 to 20 carbon atoms and the oxygen-containing group are the same as those described above for R 1 and R 2 ; Can be illustrated.
- Iou-containing group wherein R ', the same groups as R 2, Oyopi Mechirusurufo over preparative, preparative Li Funoreorome wardrobe / Refone DOO, Hue Nino less Honoré follower Natick DOO, Benjino Sunorefone DOO, p- preparative Honoré Enns Honoré follower Natick , Trimethinolebenzenesnorefoate, triisobutinolebenzenesnolefonate, p-chloronobenzenesnorefoate, pentafnorolobenzenesulfonate, etc .; Examples thereof include sulfineto groups such as phenenoresnorefinete, benzenesnorefinete, p-tonorenenosenorefinete, trimethinolebenzenesnoleinate, and pentaphnoolenobenzenesulfinate.
- Y is a divalent hydrocarbon group having 1 to 20 carbon atoms, a divalent halogenated hydrocarbon group having 120 carbon atoms, a divalent silicon-containing group, a divalent germanium J Containing group, divalent tin-containing group, —0—, one CO_, — S—, one SO—, — S0 2 —, — NR 7 —, one P (R 7 ) —, one P (0) (R 7 ) —, one BR 7 — or one A 1 R 7 — (where R 7 is a hydrogen atom, a halogen atom, a hydrocarbon group having 1 to 20 carbon atoms, a halogenated hydrocarbon group having 1 to 20 carbon atoms) ).
- Methylene dimethinolemethylene, 1,2-ethylene, 1,2-ethylene, 1,3-trimethylene, 1,3-trimethylene, 1,4-tetramethylene, 1,2-cyclohexylene, 1,4-cyclotomethylene
- a divalent hydrocarbon group having 1 to 20 carbon atoms such as an anoalkylene group such as xylene, an arylalkylene group such as diphenylenolemethylene, diphenyl-1,2-ethylene;
- a divalent germanium-containing group obtained by substituting germanium for the divalent silicon-containing group with germanium;
- R 7 is the same halogen atom as the above R 1 R 2 , a hydrocarbon group having 1 to 20 carbon atoms, or a halogenated hydrocarbon group having 1 to 20 carbon atoms.
- divalent silicon-containing groups divalent germanium-containing groups, divalent tin
- the group is preferably a divalent silicon-containing group, and more preferably a divalent silicon-containing group, and particularly preferably an anoalkylsilylene, an alkylarylsilylene, or an arylsilylene.
- At least one pair of R 3 and R 4 , R 4 and R 5 , and R 5 and R 6 includes a monocyclic aromatic ring formed by bonding to each other, and coordinates to M
- Examples of the ligand include those represented by the following formulas (14) to (16).
- meta-mouth compound (e-3) a transition metal compound represented by the following formula (17) can also be used.
- R 3 , R 4 , R 5 and R 6 two groups including R 3 are preferably an alkyl group, and R 3 and R 5 , or R 3 and R 5
- 6 is an alkyl group.
- This alkyl group is preferably a secondary or tertiary alkyl group.
- the alkyl group may be substituted with a halogen atom or a silicon-containing group. Examples of the halogen atom or a silicon-containing group include the substituents exemplified for R 1 R 2 .
- the group other than the alkyl group is preferably a hydrogen atom.
- the hydrocarbon group having 1 to 20 carbon atoms include methyl, ethyl, n-propynole, i-propyl, n-butynole, i-butyl, sec-butynole, tert-butynole, pentynole, hexinole, cyclohexynole, Chain alkyl groups and cyclic alkyl groups such as heptinole, octynole, nonyl, dodecyl, aicosyl, norbornyl, and adamantyl; arylalkyl groups such as benzyl, phenylethyl, phenylpropynole, and tolylmethyl; double bonds, 3 It may contain double bonds.
- R 3 , RR 5 and R s in the formula (17) may be such that two kinds of groups selected from them are combined with each other to form a monocyclic or polycyclic ring other than an aromatic ring.
- Examples of the halogen atom include the same as those described above for R 1 and R 2 .
- X 1 , X 2 and Y are the same as those in the above formula (13).
- Specific examples of the meta-opensene compound (e-3) represented by the formula (17) are shown below.
- a transition metal compound in which zirconium metal is replaced with titanium metal or hafnium metal in the above compounds can also be used.
- the transition metal compound is usually used as a racemic compound, but may be used in R-form or S-form.
- R 1 is preferably a hydrocarbon group, particularly preferably an alkyl group having 1 to 4 carbon atoms, such as methyl, ethyl, propyl or butyl.
- X 1 and X 2 are preferably a halogen atom or a hydrocarbon group having 1 to 20 carbon atoms.
- R 3 represents an aryl group having 6 to 16 carbon atoms, and specifically,
- feninole and naphthyl are preferred.
- These aryl groups may be substituted with the same halogen atom as R 1 , a hydrocarbon group having 1 to 20 carbon atoms, or a halogenated hydrocarbon group having 1 to 20 carbon atoms.
- a transition metal compound in which zirconium metal is replaced with titanium metal or hafnium metal can also be used.
- metallocene compound (e-3) a compound represented by the following formula (18) can also be used.
- ⁇ is a metal belonging to Group 4 of the periodic table or a lanthanide series.
- L ′ is a derivative of a delocalized ⁇ -bonded group, which is a metal IV [a group that imparts a constrained geometry to the active site.
- X is each independently hydrogen, halogen, or a hydrocarbon group containing 20 or less carbon, silicon or germanium, a silyl group or a germyl group.
- M is titanium, zirconium or hafnium
- X is the same as in the formula (18).
- C p is a substituted cyclopentenyl group having a ⁇ bond to M and having a substituent ⁇ .
- ⁇ is oxygen, y ⁇ , boron or an element of group 14 of the periodic table (for example, silicon, germanium or tin)
- ⁇ is a ligand containing nitrogen, phosphorus, oxygen or y ⁇ , and is a fused ring with ⁇ and ⁇ May be formed.
- meta-mouth compound (e-3) represented by the formula (18) or (19)
- a ligand having a central metal atom of zirconium and containing at least two cyclopentapentaenyl skeletons is used.
- Zirconocene compounds are preferably used.
- meta-mouth compound (e-3) a transition metal compound of Group 4 of the periodic table represented by the following formula (20) can also be used.
- M is a transition metal atom belonging to Group 4 of the periodic table, specifically, titanium, zirconium or hafnium, and preferably zirconium.
- R 1 in the formula (20) may be the same or different, and at least one of them is an aryl group having 11 to 20 carbon atoms, an aryl alkyl group having 12 to 40 carbon atoms, or a carbon atom. number 1 3-4 0 ⁇ reel alkenyl group, at least two groups you adjacent ones of the groups or alkyl Ariru group or Kei-containing group of 1 2-4 0 carbon atoms, or represented by R 1 Form one or more aromatic or aliphatic rings together with the carbon atoms to which they are attached. In this case, the ring formed by R 1 is the number of carbon atoms as a whole including the carbon atom to which R 1 is attached is 4 to 2 0.
- These groups may be substituted with a chain alkyl group, a cyclic alkyl group, a halogen atom, a halogen-substituted alkyl group, an aryl group, a silicon-containing group, an oxygen-containing group, a nitrogen-containing group, or a phosphorus-containing group. .
- Ariru group, ⁇ reel alkyl group, ⁇ reel alkenyl group, an alkyl ⁇ aryl group and an aromatic ring, R 1 other than R 1 to form an aliphatic ring is a hydrogen atom, halogen atom, 1 to carbon atoms 1 0 alkyl group or silicon-containing group.
- Examples of the aryl group having 11 to 20 carbon atoms include biphenyl, anthryl, and phenanthryl.
- Examples of the arylalkyl group having 12 to 40 carbon atoms include phenanthrylmethyl, phenanthrylethynole, and phenanthrinolepropyl.
- Examples of the arylalkyl group having 13 to 40 carbon atoms include vinylphenanthryl.
- Examples of the halogen atom include fluorine, chlorine, bromine, and iodine.
- Examples of the alkyl group having 1 to 10 carbon atoms include methyl, ethyl, propyl, butyl, hexyl, cyclohexyl, octyl, and nonyl.
- silicon-containing group examples include methylsilyl, phenylsilyl, dimethylsilyl, dimethyl-silyl, diphenylinyl-silyl, trimethinyl-silyl, triethyl-silyl-yl, tri-provylsilyl, tricyclohexynylsilyl, triphenylsilyl, dimethylphenyl. And methyldiphenylsilyl, tritrilinolesilinole, and trinaphtinolesilyl.
- alkynole group, aryl group, arylalkyl group, arylalkenyl group and alkylaryl group as described above may be substituted with halogen.
- R 2 may be the same or different, and each represents a hydrogen atom, a halogen atom, an alkyl group having 1 to 10 carbon atoms, an aryl group having 6 to 20 carbon atoms, and a carbon atom having 2 to 20 carbon atoms.
- At least two adjacent groups among the groups represented by R 2 in formula (20) form one or more aromatic or aliphatic rings together with the carbon atoms to which they are bonded. May be.
- the ring formed by R 2 is 4 to 2 0 carbon atoms as a whole including the carbon atom of R 2 are attached, an aromatic ring, other than R 2 that forms an aliphatic ring R 2 is a hydrogen atom, a halogen atom, an alkyl group having 1 to 10 carbon atoms, or a silicon-containing group.
- two groups represented by R 2 form one or more aromatic or aliphatic rings, and a fluorenyl group is a group represented by the following (21). An embodiment having such a structure is also included.
- Examples of the alkyl group and halogen atom having 1 to 10 carbon atoms include the same groups and atoms as described above.
- Examples of the aryl group having 6 to 20 carbon atoms include phenyl, biphenyl, ⁇ - or / 3-naphthyl, anthryl, and phenanthryl.
- Examples of the arylnoalkyl group having 7 to 40 carbon atoms include benzyl, pheninolethynole, feninolepropynole, phenanthrylmethy ⁇ , phenanthrylethyl, phenanthrylpropyl and the like.
- Examples of the arylalkenyl group having 8 to 40 carbon atoms include styryl and vinylphenanthryl.
- alkylaryl group having 7 to 40 carbon atoms examples include tolyl, dimethylphenyl, trimethinolephenine, ethinolephenine, propinolefeninole, methinolenaptinole, methinolephenanthryl, and ethylphenanthryl.
- Propinolev Nantril and the like.
- alkenyl group having 2 to 10 carbon atoms examples include vinyl, propenyl, cyclohexenyl and the like.
- silicon-containing group examples include the same groups as described above.
- oxygen-containing group examples include hydroxy, methoxy, ethoxy, propoxy, butoxy, and other alkoxy groups, phenoxy, methylphenoxy, dimethylphenoxy, naphthoxy, and other aryloxy groups, and phenylmethoxy, phenylethoxy, and other phenylethoxy groups.
- Examples of the zeo-containing group include a substituent in which the oxygen of the oxygen-containing group is substituted with zeo, methinolesulfonate, trifluoromethanes / norfonate, feninoles / norfonate, penzinoles / norfonate , ⁇ - tonorenensorephonate, trimethylbenzenesulfonate, triisobutylbenzenesulfonate, ⁇ -chloro Snolefonate groups such as norebenzenesnorefonate and pentafluorobenzenesnolefonate, methinolesnorefinate, phenylsulfinate, benzenesnorefinate, p-tonolenesnorefinate, and trimethylbenzenesulfinate And sulfinate groups such as pentafluorobenzenesulfinate.
- nitrogen-containing group examples include an alkylamino group such as an amino group, methylamino, dimethylamino, dimethylamino, dipropylamino, dibutylamino, dicyclohexylamino, an arylamino group such as phenylamino, diphenylamino, ditolylamino, dinaphthylamino, methylphenylamino, or an alkylamino group. And a lumino group.
- alkylamino group such as an amino group, methylamino, dimethylamino, dimethylamino, dipropylamino, dibutylamino, dicyclohexylamino
- an arylamino group such as phenylamino, diphenylamino, ditolylamino, dinaphthylamino, methylphenylamino, or an alkylamino group.
- a lumino group such as an amino group,
- Examples of the phosphorus-containing group include dimethylphosphino and diphenylphosphino.
- R 2 is preferably a hydrogen atom or an alkyl group, particularly preferably a hydrogen atom or a hydrocarbon group having 1 to 3 carbon atoms such as methyl, ethyl and propyl.
- fluorenyl group having R 2 as such a substituent include a 2,7-dialkyl-fluorenyl group. And 5 alkyl groups.
- R 1 and R 2 may be the same or different from each other.
- R 3 and R 4 in the formula (20) may be the same or different from each other, and have the same hydrogen atom, halogen atom, alkyl group having 1 to 10 carbon atoms, and C 6 to 20 carbon atom as described above.
- R 3 and R 4 is an alkyl group having 1 to 3 carbon atoms.
- X 1 and X 2 in the formula (20) may be the same or different from each other, and include a hydrogen atom, a halogen atom, a hydrocarbon group having 1 to 20 carbon atoms, a halogenated hydrocarbon group having 1 to 20 carbon atoms, oxygen-containing group, a conjugated diene residue formed from Iou-containing group or a nitrogen-containing group, or X 1 and X 2, and specifically, a halogen atom, an oxygen-containing group, I O ⁇ -containing group and a nitrogen-containing Examples of the group include the same atoms and groups as described above.
- hydrocarbon group having 1 to 20 carbon atoms examples include alkyl groups such as methyl, ethyl, propyl, butyl, hexyl, cyclohexyl, octyl, noninole, dodecyl, eicosinole, norbo-noreninole, and adamanchinole; Alkenyl groups such as ninole and cyclohexenole; arylalkyl groups such as benzyl, phenylethyl and phenylpropyl; phenyl, trinore, dimethylphenyl, trimethylphenyl, ethynolepheninole, propinolephenylinole, ⁇ - or] 3 —Aryl groups such as naphthinole, methylnaphthyl, ant linole, phenanth linole, benzinole feninole
- X 1 and as the conjugated diene residue formed by X 2 Prefecture, eta 4 - 1, 4-diphenyl - 1, 3-butadiene, 77 4 - 1, 3-butadiene, eta 4 _ 1, 4-dibenzyl one 1, 3-butadiene, 4 - 1 _ Hue two Norre one 1, 3-Pentajen, ⁇ 4 - 3- menu Chinore one 1, 3-Pentajen,? ) 4 - 1, 4-bis (g Li methylcarbamoyl Honoré Siri Honoré) one 1, 3 - butadiene, 2, 3-dimethyl butadiene, eta 4 - 2, Kisajen, isopropylene Puren the like to 4.
- the conjugated diene residue formed from X 1 and X 2 includes 1,3-butadiene, 2,4-hexadiene, 1-phenyl-1,3-pentadiene, 1,4-diphenyl Butadiene residues are preferable, and these residues may be further substituted with a hydrocarbon group having 1 to 10 carbon atoms.
- a halogen atom, a hydrocarbon group having 1 to 20 carbon atoms or an iodine-containing group is preferable.
- Y is a divalent hydrocarbon group having 1 to 20 carbon atoms, a divalent halogenated hydrocarbon group having 1 to 20 carbon atoms, a divalent silicon-containing group, or a divalent germanium-containing group.
- Divalent tin-containing group — O—, — CO—, — S—, one SO—, — S0 2 —, -NR 5 —, _ P (R 5 ) —, one P (0) (R 5 ) —, One BR 5 — or one A 1 R 5 — (where R 5 is a hydrogen atom, a halogen atom, a hydrocarbon group having 1 to 20 carbon atoms, a halogenated hydrocarbon group having 1 to 20 carbon atoms) And specifically,
- Methylene dimethinolemethylene, 1,2-ethylene, 1,2-ethylene, 1,3-ethylene, 1,3-trimethylene, 1,4-tetramethylene, 1,2-cyclohexylene, 1,4-cyclohexane
- a divalent hydrocarbon group having 1 to 20 carbon atoms such as an aropenylene group such as xylene, an diarylenmethylene group, an arylalkylene group such as diphenyl-1,2-ethylene;
- divalent silicon-containing group examples include a divalent tin-containing group in which silicon is substituted with tin.
- these divalent groups those in which the shortest connecting part of —Y— represented by the formula (20) is composed of one or two atoms are preferable.
- R 5 is the same halogen atom, hydrocarbon group of from 1 to 2 0 carbon atoms, a halogenated hydrocarbon group having 1 to 2 carbon atoms 0.
- Y is preferably a divalent hydrocarbon group having 1 to 5 carbon atoms, a divalent silicon-containing group or a divalent germanium-containing group, and is preferably a divalent silicon-containing group. More preferably, it is alkylsilylene, alkylarylsilylene or arylsilylene.
- meta-mouth compound (e_3) a transition metal compound represented by the following formula (22) can also be used.
- M is a transition metal atom of Group 4 of the periodic table, specifically, titanium, zirconium or hafnium, and preferably zirconium.
- R 6 in the formula (22) may be the same as or different from each other, and may be a hydrogen atom or a halogen.
- Examples of the halogen atom and the alkyl group having 1 to 10 carbon atoms include the same as RL in the above formula (20), and include a silicon-containing group, an oxygen-containing group, an io-containing group, and a nitrogen-containing group.
- the phosphorus-containing group the same groups as those described above for R 2 in formula (20) can be used.
- Examples of the aryl group having 6 to 10 carbon atoms include phenyl, ⁇ - or / 3-naphthyl, and the like.
- Examples of the alkenyl group having 2 to 10 carbon atoms include butyl, propenyl, cyclohexenyl and the like.
- alkyl group and the alkenyl group as described above may be substituted with halogen.
- R 6 is preferably an alkyl group, an aryl group or a hydrogen atom, particularly, a methyl, ethyl, ⁇ -propyl, i-propyl hydrocarbon group having 1 to 3 carbon atoms, phenyl, ⁇ _naphthyl It is preferably an aryl group such as naphthyl or a hydrogen atom.
- R 7 in formula (22) may be the same or different from each other, and may be a hydrogen atom, a halogen atom, an alkyl group having 1 to 10 carbon atoms, an aryl group having 6 to 20 carbon atoms, or a carbon atom having 2 to 1 carbon atoms.
- alkyl group, aryl group, alkenyl group, arylalkyl group, arylalkenyl group and alkylaryl group may be substituted by halogen.
- R 7 is preferably a hydrogen atom or an alkyl group, particularly water It is preferably a hydrogen atom or a hydrocarbon group having 1 to 4 carbon atoms, such as methyl, ethyl, n-propyl, i-propyl, n-butyl and tert-butyl.
- R 6 and R 7 may be the same or different from each other.
- R 8 and R 9 in the formula (22) is an alkyl group having 1 to 5 carbon atoms, and the other is the same hydrogen atom, halogen atom or carbon atom as R 2 in the formula (20).
- alkyl group having 1 to 5 carbon atoms examples include methyl, ethyl, propyl, butyl, pentyl and the like.
- R 8 and R 9 is preferably an alkyl group having 1 to 3 carbon atoms such as methyl, ethyl and propyl, and the other is preferably a hydrogen atom.
- X 1 and X 2 in the formula (22) may be the same or different from each other, and are the same hydrogen atom, halogen atom, and hydrocarbon group having 1 to 20 carbon atoms as the X 1 and X 2 in the formula (20).
- halogen atom or a hydrocarbon group having 1 to 20 carbon atoms is preferable.
- Y in the formula (22) is the same as Y in the above formula (20), a divalent hydrocarbon group having 1 to 20 carbon atoms, a divalent halogenated hydrocarbon group having 1 to 20 carbon atoms, N-containing group, divalent germanium-containing group, divalent tin-containing group, — O—, —CO—, — S—, — SO—, — S0 2 —, — NR 5 —, — P (R 5 ) —, — P (0) (R 5 ) —, —BR 5 — or one AIR 5 — [where R 5 is a hydrogen atom, a halogen atom, a hydrocarbon group of 1 to 20 carbon atoms, 1 carbon atom To 20 halogenated hydrocarbon groups].
- Y is preferably a divalent hydrocarbon group having 1 to 5 carbon atoms, a divalent silicon-containing group or a divalent germanium-containing group, and is preferably a divalent silicon-containing group. It is more preferable to use alkylsilylene, alkylarylsilylene or arylsilylene.
- the metamouth compound (e-3) is used alone or in combination of two or more. Further, the meta-mouth compound (e-3) may be used after being diluted with a hydrocarbon or a halogenated hydrocarbon. Further, the meta-mouth compound (e_3) can be used in contact with a particulate carrier compound.
- the carrier compound to be supported meth spout compound (e- 3), Si_ ⁇ 2, Al 2 0 3, B 2 0 3, Mg O, Zr_ ⁇ 2, CaO, Ti0 2, ZnO , SnOs, BaO, and Inorganic carrier compounds such as Th 2 O; resins such as polyethylene, polypropylene, poly (1-butene), poly (4-methyl-1-pentene), and styrene′-dibielbenzene copolymer can be used. These carrier compounds may be used alone or in combination of two or more.
- organoaluminoxy compound (f-2) and the ionized ionic compound (g_l) used for forming the metallocene catalyst will be described.
- the organoaluminoxy compound (f—2) may be a known aluminoxane or a benzene-insoluble organoaluminoxy compound (f—2).
- Such a known aluminoxane is specifically represented by the following formula (23) or (24).
- R is a hydrocarbon group such as a methyl group, an ethyl group, a propyl group, and a butyl group, preferably a methyl group, an ethyl group, and particularly preferably a methyl group.
- m is an integer of 2 or more, preferably 5 to 40.
- aluminum Noo hexane formula ( ⁇ represented by alkyl O alkoxy aluminum units and formula represented by OAl (R Li) (OAl (R 2)) Ruki Ruo alkoxy aluminum units [Wherein, R 1 and R 2 can be the same hydrocarbon groups as R, and R 1 and R 2 represent different groups] may be formed from a mixed alkyloxyaluminum unit .
- the organoaluminoxy compound (f-2) may contain a small amount of an organic compound component of a metal other than aluminum.
- Examples of the ionized ionic compound (also referred to as an ionic ionized compound or an ionic compound) (g-1) include Lewis acids, ionic compounds, borane compounds and carborane compounds.
- Lewis acid examples include a compound represented by BR 3 (R is a phenyl group which may have a substituent such as a fluorine, a methyl group, a trifluoromethyl group, or a fluorine).
- Specific examples of Lewis acids include trifluoroboron, Tri-Feninolebolone, Tris (4-Fenoleolofeninole) Boron, Tris (3,5 diphneololofeninole) Boron, Tris (4-Fenoleolomethinolefeninole) Boron, Tris (pentaf) Examples include norolenopheninole) boron, tris (p-trinole) boron, tris (o_tolyl) boron, and tris (3,5-dimethylphenyl) boron.
- Examples of the ionic compounds include trialkyl-substituted ammonium salts, N, N-dialkylanilinium salts, dialkylammonium salts, and triarylphosphonium salts.
- Trialkyl-substituted ammonium salts as ionic compounds include, for example, triethylammoniumtetra (phenyl) boron, trippropanolammoniumtetra (phenyl) boron, tri (n-butyl) ammoniumtetra (phenyl) boron, and the like. Is raised.
- dialkyl ammonium salt as the ionic compound examples include di (1-propyl) ammoniumtetra (pentafluorophenyl) boron and dicyclohexylammoniumtetra (phenyl) boron.
- Examples of the ionic compound include triphenylcarbenyltetrakis (pentaphnoleolopheniborate, ⁇ , ⁇ -dimethylinolelineliniumtetrakis (pentaphneololophenylinole) borate, and ferrosenidiumtetra (pentaphnoleto) Orofeninole) Borates can also be mentioned.
- borane compounds include decaborane (9); bis [tri ( ⁇ -butyl) ammonium] nonaborate, bis [tri ( ⁇ _butyl) ammonium] decaborate, and bis [tri ( ⁇ -butyl) ammonium] bis ( Dode force high dry dodecaborate)
- Metal borane anion salts such as nickelate (III).
- carborane compound examples include 4-carpanona borane (9), 1,3-dicarbanona borane (8), bis [tri ( ⁇ -butyl) ammonium] bis (underweight high dryness 7-carbon pound power) nickel Metals such as acid salts (IV) And carborane anion salts.
- the ionized ionic compounds (g-1) as described above are used alone or in combination of two or more. Further, the organoaluminoxy compound ((-2) and the ionized ionic compound (g-1) can be used by being supported on the carrier compound.
- the organic aluminum compound (f-1) may be used together with the organic aluminum oxy compound (f-2) or the ionized ionic compound (g_l).
- ethylene (a), polyolefin (b), and ethylene (a) in the presence of the titanium-based catalyst, the vanadium-based catalyst, or the meta-acene catalyst are usually copolymerized in a liquid phase.
- a hydrocarbon solvent is generally used, but ⁇ -olefin (b) may be used as the solvent.
- hydrocarbon solvents examples include aliphatic hydrocarbons such as pentane, hexane, heptane, octane, decane, dodecane, and kerosene and halogen derivatives thereof; alicyclics such as cyclohexane, methylcyclopentane, and methylcyclohexane. Hydrocarbons and their derivatives and logen derivatives; aromatic hydrocarbons such as benzene, tonoleene, xylene, and chlorobenzene, and their halogen derivatives are used. These solvents may be used in combination.
- Ethylene (a), ⁇ -olefin (b), triene compound (c), and non-copolyene (d) may be copolymerized by a batch method or a continuous method.
- the catalyst is used in the following concentrations.
- the solid titanium catalyst component (e-1) When a titanium-based catalyst comprising a solid titanium catalyst component (e-1) and an organoaluminum compound (f-11) is used, the solid titanium catalyst component (e-1) has a Converted to titanium atoms, usually about 0.001 to about 1.0 It is used in an amount of millimoles, preferably about 0.05 to 0.5 millimoles.
- the organic aluminum compound (f-11) is usually about 10 moles of metal atoms in the organoaluminum compound (f-1) per mole of titanium atoms in the solid titanium catalyst component (e-1). To 500 moles, preferably 20 to 200 moles.
- an electron donor When an electron donor is used, it is usually about 0.01 to 10 mol, preferably 0.01 to 2 mol, particularly preferably 0.1 to 2 mol, per mol of metal atom in the organoaluminum compound (f-11). Preferably, it is used in such an amount that it becomes 0.05 to 1 mol.
- the concentration of the soluble vanadium compound in the polymerization system is usually 0.01 to 5%. Millimol Zliter (polymerization volume), preferably 0.
- the soluble vanadium compound (e-2) is desirably supplied at a concentration of 10 times or less, preferably 1 to 7 times, more preferably 1 to 5 times the concentration of the soluble vanadium compound present in the polymerization system.
- the organoaluminum compound (f-1) has a molar ratio (A1 / V) of aluminum atoms to vanadium atoms in the polymerization system of 2 or more, preferably 2 to 50, and more preferably 3 to 20. Supplied with.
- the soluble vanadium compound (e-2) and the organoaluminum compound (f-11) are usually supplied after being diluted with the above-mentioned hydrocarbon solvent, liquid ethylene or the above-mentioned triene compound (c). At this time, the soluble vanadium compound (e-2) is desirably diluted to the above concentration, but the organoaluminum compound (f-1) is adjusted to an arbitrary concentration of, for example, 50 times or less the concentration in the polymerization system. It is desirable to supply them into the polymerization system.
- a meta-opening catalyst comprising a meta-opening compound (e-3) and an organoaluminoxy compound (f-2) or an ionized ionic compound (g-1)
- concentration of the meta-mouth compound (e-3) is usually from 0.0005 to 0.1 millimol Zliter (polymerization volume), preferably from 0.001 to 0.1. 0 5 Mimol Zliter.
- the organoaluminoxy compound (f-12) has a molar ratio of aluminum atom to transition metal in the metallocene compound in the polymerization system.
- (A 1 Z transition metal) 1100 000, preferably 10 5500 000.
- the molar ratio of the ionized ionic compound (g-1) to (e-3) (ionized ionic compound (g-1) nometacene compound (e-3)) is 0.5 to 20; Or in an amount of 1-10.
- the organoaluminum compound (f-11) When used, it is generally used in an amount such that the amount becomes about 0 to 5 millimoles Zliter (polymerization degree), preferably about 0 to 2 millimoles liter.
- the copolymerization reaction is
- the normal temperature is between 120 ° C and + 150 ° C, preferably between 0 ° C and 120 ° C, more preferably between 0 ° C and 100 ° C, and the pressure exceeds 0 to 7.8MPa (80 ° C).
- kgf cm 2 , gauge pressure
- preferably more than 0 and 4.9 MPa 50 kg ⁇ / cm 2 , gauge pressure
- a copolymerization reaction When monomers such as ethylene (a), ⁇ -olefin (b), triene compound (c) and non-conjugated polyene (d) are copolymerized in the presence of the vanadium-based catalyst, a copolymerization reaction
- the normal temperature is-50 to 110 ° C, preferably-30 to 180 ° C, more preferably 120 to + 60 ° C, and the pressure exceeds 0. It is carried out under 9 MPa (50 kg ⁇ / c gauge pressure) or less, preferably exceeding 0. 2. OMPa (2 Okg ⁇ / cm gauge pressure) or less.
- the copolymerization reaction is usually carried out at a temperature of 120 to 150 ° C, preferably 0 to 120 ° C, More preferably from 0 to: at 100 ° C, the pressure is above 0 and below 7.8 MPa (80 kgf / c gauge pressure), preferably above 0 and 4.9 MPa (50 kg ⁇ / c gauge pressure) It is performed under the following conditions.
- ethylene (a), ⁇ -olefin (b), triene compound (c) and non-conjugated polyene (d), and other monomers used if necessary, are the third ethylene of the specific composition.
- the copolymer rubber is supplied to the polymerization system in such an amount that a copolymer rubber can be obtained.
- a molecular weight regulator such as hydrogen may be used.
- the third ethylene copolymer rubber usually contains a polymer containing the same. Obtained as a liquid. This polymerization liquid is treated by a conventional method to obtain a third ethylene copolymer rubber.
- the third ethylene-based copolymer rubber of the present invention may be a modified product obtained by graft polymerization of a polar monomer.
- the graft-modified third ethylene-based copolymer rubber of the present invention (sometimes referred to as a graft-modified ethylene-based copolymer rubber) is used in the presence or absence of a radical initiator to form the third ethylene-based copolymer rubber of the present invention. It can be obtained by reacting three ethylene-based copolymer rubbers with a polar monomer.
- Examples of the polar monomer used for graft modification include a hydroxyl group-containing ethylenically unsaturated compound, an amino group-containing ethylenically unsaturated compound, an epoxy group-containing ethylenically unsaturated compound, an aromatic vinyl compound, an unsaturated carboxylic acid or a derivative thereof, Examples include vinyl ester compounds and vinyl chloride.
- Hydroxyl-containing ethylenically unsaturated compounds used for graft modification include hydroxyshethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, and 3-hydroxypropyl (meth).
- Acrylate 2-hydroxy-1--3-phenoxy-propyl (meth) acrylate, 3-chloro-1--2-hydroxypropyl Nore (meth) acrylate, glycerin mono (meth) acrylate, pentaerythritoloneremono (meth) acrylate, trimethylolpropane mono (meth) acrylate, tetramethylinoleethane mono (meta) acrylate (Meth) acrylic acid esters such as relate, butanediol mono (meth) acrylate, polyethylene glycol mono (meth) acrylate, 2- (6-hydroxyhexanoyloxy) ethyl acrylate and the like: 1 0-Pendecene-1-o
- the amino group-containing ethylenically unsaturated compound used for graft modification is a compound having an ethylenic double bond and an amino group, and has at least one amino group or substituted amino group represented by the following formula (25). And the like.
- R 1 is a hydrogen atom, a methyl group or an ethyl group
- R 2 is a hydrogen atom, an alkyl group having 1 to 12 carbon atoms, preferably an alkyl group having 1 to 8 carbon atoms, or 6 carbon atoms. ⁇ 12, preferably 6-8 cycloalkyl groups.
- the above-mentioned alkyl group and the cycloalkyl group may have a substituent.
- Such amino group-containing ethylenically unsaturated compounds include (meth) acryl Acrylic acid or amino acid such as aminoethyl acrylate, propylaminoethyl (meth) acrylate, dimethylaminoethyl methacrylate, aminopropyl (meth) acrylate, phenylaminoethyl methacrylate, and cyclohexylaminoethyl methacrylate Alkyl ester derivatives of methacrylic acid; Buramine derivatives such as N-vinyl ethylamine and N-acetylvinylamine; arylamine, methacryloline amine, N-methinoleac linoleamine, N, N-dimethinoleacrinoleamine and Arylamine derivatives such as N, N-dimethylaminopropylacrylylamine; acrylamide derivatives such as atarylamide and N-methylacrylamide; aminostyrenes such as
- the epoxy group-containing ethylenically unsaturated compound used for graft modification is a monomer having at least one polymerizable unsaturated bond and at least one epoxy group in one molecule.
- examples of such an ethylenically unsaturated compound containing an epoxy group include glycidyl acrylate; glycidyl methacrylate; mono- and diglycidyl ester of maleic acid, mono- and diglycidyl ester of fumaric acid, and mono-crotonic acid.
- diglycidyl esters mono- and diglycidyl esters of tetrahydrophthalic acid, mono- and glycidyl esters of itaconic acid, mono- and diglycidyl esters of butenetricarboxylic acid, mono- and diglycidyl estenolate of citraconic acid, endo-cis-bicyclo [2.2. 1] hept-one 5 _ E down one 2, mono- and diglycidyl esters of 3- dicarboxylic acid (nadic TM), end -..
- Examples of the aromatic biel compound used for the graft modification include a compound represented by the following formula (26).
- R 1 and R 2 each independently represent a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, and specific examples include a methyl group, an ethyl group, a propyl group, and an isopropyl group. be able to.
- R 3 represents a hydrocarbon group having 1 to 3 carbon atoms or a halogen atom, and specific examples include a methyl group, an ethyl group, a propyl group and an isopropyl group, and a chlorine atom, a bromine atom and an iodine atom. it can.
- n represents an integer of 0 to 5, preferably 1 to 5.
- Examples of such an aromatic vinyl compound include styrene, ⁇ -methylstyrene, ⁇ -methinorestile, ⁇ -methinolestyrene, m-methinolestyrene, p-chlorostyrene, in-chlorostyrene, and p-chloromethynostyrene, 4-Vininolepyridin, 2-Vinolepyridine, 5-Ethynole-1-vinylinolepyridine, 2-Methinole-5-Vininolepyridine, 2-Isopropininolepyridine, 2-Vininolequinoline, 3-Vinylisoquinoline, ⁇ -Buvinazole, ⁇ — Examples include vinylpyrrolidone.
- unsaturated carboxylic acids used for graft modification include acrylic acid and methacrylic acid. Oleic acid, maleic acid, fumaric acid, tetrahydrophthalic acid, itaconic acid, citraconic acid, crotonic acid, isocrotonic acid, norbornene dicarboxylic acid, bicyclo [2.2.1] heptoh-2-ene-5,6-dicarboxylic Examples include unsaturated carboxylic acids such as acids, their anhydrides, and derivatives thereof (eg, acid halides, amides, imides, esters, and the like).
- Examples of specific compounds are maleenyl chloride, malenylimide, maleic anhydride, itaconic anhydride, citraconic anhydride, tetrahydrophthalic anhydride, bicyclo [2.2.1] hept-1-ene-one.
- the biel ester compounds used for the graft modification include biel acetate, bipropionate, n-butyrate, bibutyrate, bivalate biel, biprolate biel, biel versatate, vinyl laurate, vinyl stearate. And vinyl benzoate, p-t-butyl benzoate, salicylate, cyclohexanecarboxylate, and the like.
- the polar monomer used for the graft modification is usually 0.1 to 100 parts by weight, preferably 0.5 to 100 parts by weight, based on 100 parts by weight of the third ethylene copolymer rubber before the modification. Used in a proportion of 80 parts by weight.
- Examples of the radical initiator used at the time of graft modification include organic peroxides and azo compounds.
- the organic peroxides used in the graft modification include dicumylperoxide, di-t-butylperoxide, 2,5-dimethyl-2,5-bis (t-butylperoxy) hexane, 2,5 —Dimethyl—2,5-bis (t-butylperoxy) hexine-1,3,3-bis (t-butylperoxyisopropinole) benzene, 1,1—bis (t-butylperoxy) balaret , Benzoylperoxide, t-butylphenoloxybenzoate, acetylperoxide, isoptilylbenoleoxide, otatanylperoxide, decanolylperoxide, lauroylperoxide, 3,5,5 — Examples include trimethylhexanolyl peroxide, 2,4-dichlorobenzene be
- Such a radical initiator is preferably used in a proportion of usually 0.01 to 10 parts by weight based on 100 parts by weight of the third ethylene copolymer rubber before modification. Good.
- the radical initiator can be used as it is by mixing it with the third ethylene-based copolymer rubber and the polar monomer, but the radical initiator can also be used by dissolving it in a small amount of an organic solvent.
- organic solvent any organic solvent capable of dissolving the radical initiator can be used without particular limitation.
- Such organic solvents include aromatic hydrocarbon solvents such as benzene, toluene and xylene; aliphatic hydrocarbon solvents such as pentane, hexane, heptane, octane, nonane and decane; cyclohexane, methylcyclohexane And alicyclic hydrocarbon solvents such as dehydrohydronaphthalene; chlorinated hydrocarbons such as chlorobenzene, dichlorobenzene, trichlorobenzene, methylene chloride, chloroform, carbon tetrachloride and tetrachloroethylene; methanol, ethanol Alcoholic solvents such as, ⁇ -propanol, iso-propanol, n-butanol, sec-butanol, tert-butanol; acetone, methyl ethyl ketone and Ketone solvents such as methyl and methyl isobutyl ketone;
- a reducing substance may be used.
- the reducing substance has an effect of improving the amount of graft in the obtained graft-modified ethylene-based copolymer rubber.
- iron (II) ions It is a reducing agent, iron (II) ions, chromium ions, cobalt ions, Stevenage Keruion, palladium ion, sulfite, human Dorokishiruamin, hydrazine such any other one SH, S0 3 H, One NHNH 2, - Examples include compounds containing groups such as COCH (OH) —.
- Such reducing substances include ferrous chloride, potassium dichromate, cobalt chloride, cobalt naphthenate, palladium chloride, ethanolamine, diethanolamine, N, N-dimethylaniline, hydrazine, Examples include tilmenolecaptan, benzenesulfonic acid, and p-toluenesulfonic acid.
- the reducing substance is used in an amount of usually 0.001 to 5 parts by weight, preferably 0.1 to 3 parts by weight, based on 100 parts by weight of the third ethylene copolymer rubber before modification. Is done.
- the graft modification of the third ethylene-based copolymer rubber of the present invention can be performed by a known method.
- the third ethylene-based copolymer rubber is dissolved in an organic solvent, and then the polar monomer and the radical initiator are dissolved.
- the organic solvent used in the graft modification can be used without any particular limitation as long as it is an organic solvent that can dissolve the third ethylene copolymer rubber.
- organic solvents include aromatic hydrocarbons such as benzene, toluene and xylene. Elemental solvents; aliphatic hydrocarbon solvents such as pentane, hexane and heptane.
- a graft-modified ethylene-based copolymer rubber can be produced by reacting the third ethylene-based copolymer rubber with a polar monomer without using a solvent using an extruder or the like.
- the reaction temperature is usually equal to or higher than the melting point of the third ethylene-based copolymer rubber, specifically in the range of 120 to 250 ° C.
- the reaction time under such a temperature condition is usually 0.5 to 10 minutes.
- the graft amount of the graft group derived from the polar monomer in the graft-modified ethylene copolymer rubber thus prepared is usually 0.1 to 50% by weight, preferably 0.2 to 30% by weight. % By weight.
- the graft-modified ethylene copolymer rubber has excellent adhesion to metals and polar resins.
- the impact resistance and the low-temperature impact resistance can be improved.
- a molded article obtained by molding the graft-modified ethylene copolymer rubber has excellent printability and coatability on the surface of the molded article. Also, by blending polyolefin with a graft-modified ethylene copolymer rubber together with a filler such as glass fiber or an inorganic compound, a resin composition with improved dispersibility of the filler can be obtained. By doing so, it is possible to obtain a resin composition which retains the advantage of blending a filler and has improved mechanical strength.
- the crosslinkable rubber composition of the present invention (hereinafter sometimes simply referred to as a rubber composition) contains the above-mentioned ethylene copolymer rubber (A) of the present invention, and is usually a reinforcing agent.
- a rubber composition comprising at least one additive selected from the group consisting of (B), a softener (C), a vulcanizing agent (D) and a foaming agent (E).
- the ethylene-based copolymer rubber (A) is at least selected from the group consisting of the first ethylene-based copolymer rubber, the second ethylene-based copolymer rubber, and the third ethylene-based copolymer rubber.
- One type of ethylene-based copolymer rubber can be used.
- the third ethylene-based copolymer rubber the above-mentioned graft-modified ethylene-based copolymer rubber may be used.
- the rubber composition of the present invention can be used without being crosslinked, but when used as a crosslinked product, more excellent properties can be exhibited.
- the rubber composition of the present invention can be crosslinked by a method of heating using a vulcanizing agent or a method of irradiating an electron beam without using a vulcanizing agent.
- the rubber composition of the present invention contains the ethylene copolymer rubber (A) in an amount of 20% by weight or more, preferably 22 to 70% by weight, based on the total amount of the rubber composition. / 0 , more preferably 25 to 50% by weight. When the content of the ethylene copolymer rubber (A) in the rubber composition is within this range, good physical properties as the rubber composition are exhibited.
- known scavengers compounded in known rubbers can be used without limitation.
- SRF, GPF, FEF, MAF, HAF, I Carbon black such as SAF, SAF, FT, MT; surface-treated carbon black obtained by surface-treating these carbon blacks with a silane coupling agent; silica, activated calcium carbonate, light calcium carbonate, heavy calcium carbonate, fine talc And inorganic fillers such as talc, finely powdered citric acid, and clay.
- the content of the reinforcing agent (B) is 300 parts by weight or less, preferably 10 to 300 parts by weight, more preferably 10 to 200 parts by weight based on 100 parts by weight of the ethylene copolymer rubber (A). Is desirable.
- the content of the reinforcing agent (B) is in the above range, a crosslinked rubber having excellent mechanical properties such as tensile strength, tear strength, abrasion resistance, and hardness can be obtained, and the cost can be reduced. be able to.
- a known softener compounded in a known rubber can be used without limitation, and specifically, process oil, lubricating oil, paraffin, Petroleum softeners such as liquid paraffin, petroleum asphalt, petrolatum; coal tar softeners such as coal tar and coal tar pitch; castor oil, linseed oil, rapeseed oil, fatty oil softeners such as coconut oil; tall oil , Sub, factice, beeswax, carnauba wax, lanolin, etc .; fatty acids and fatty acid salts such as ricinoleic acid, palmitic acid, barium stearate, calcium stearate, zinc laurate; dioctinolephthalate Estenole softeners such as octyl adipate and octyl sebacate; and synthetic high molecular substances such as petroleum resins, atactic polypropylene, and coumarone indene resins.
- Petroleum softeners such as liquid paraffin, petroleum asphalt
- the content of the softener (C) is at most 200 parts by weight, preferably at most 100 to 200 parts by weight, more preferably at most 10 to 100 parts by weight, based on 100 parts by weight of the ethylene copolymer rubber (A).
- the proportion is preferably 150 parts by weight.
- a vulcanizing agent (D) is usually blended into the rubber composition. If necessary, compounds constituting the vulcanization system such as a vulcanization accelerator and a vulcanization aid can be blended.
- zeolites As the vulcanizing agent (D), zeolites, zeolites and organic peroxides can be used.
- the form of the material is not particularly limited, and for example, powdered material, sedimented material, colloidal material, surface treated material, insoluble material and the like can be used.
- thio compounds include thio chloride, dichloride, high molecular weight polysulfide, morpholine disulfide, alkylphenol disulfide, tetramethylthiuram disulfide, selenium dimethyldithiocarbamate and the like.
- Examples of the organic peroxide used as the vulcanizing agent (D) include dicumylperoxide, di-t_butylperoxide, g-tert-butylperoxy-3,3,5-trimethylcyclohexane, and t-butyl chloride.
- an organic peroxide having a one-minute half-life temperature of 130 ° C. to 200 ° C. is preferable, and specifically, dicumylperoxide, di-t-butylbutyloxide, Di-t-butynoleno-reoxy-3,3,5-trimethinolecyclohexane, t-butylcumylperoxide, di-t-amylperoxide, t-butylpyrodropoxide and the like are preferred.
- an iodide or an iodide-based compound, especially an iodide since a rubber composition and a crosslinked rubber having excellent properties can be obtained.
- the vulcanizing agent (D) is an iodide or an iodide compound
- it is used in an amount of 0.1 to 10 parts by weight, preferably 0.5 to 5 parts by weight, based on 100 parts by weight of the ethylene copolymer rubber (A). It is desirable to use them in parts by weight.
- the vulcanizing agent (D) is an organic peroxide
- it is used in an amount of 0.003 to 0.05 mol, preferably 0.1 mol, per 100 g of the ethylene copolymer rubber (A). 0.01 to 0.03 mol, or 0.05 to 15 parts by weight, preferably 0.15 to 5 parts by weight, based on 100 parts by weight of ethylene copolymer rubber (A) It is desirable to use it at a ratio of
- vulcanizing agent (D) When vulcanizing agent (D) is used as a vulcanizing agent (D), It is preferable to use an agent in combination.
- vulcanization accelerator examples include N-cyclohexyl-2-benzothiazolesulfenamide (CBS), N-oxydiethylene-1-benzothiazonoresolefenamide, and N, N-diisopropylamine.
- CBS N-cyclohexyl-2-benzothiazolesulfenamide
- Sulfenamide compounds such as 2-benzothiazolsulfenamide
- Guanidine compounds such as diphenyldanidine, triphenylenedanidine, diorthonitrileguanidine, orthonitrylbiguanide, diphenyldanidine phthalate;
- Aldehyde amines such as acetylaldehyde-aniline reactants, butylaldehyde-aniline condensates, hexamethylenetetramamine, and acetoaldehyde ammonia; or aldehyde-ammonia compounds;
- Imidazoline compounds such as 2-mercaptoimidazoline
- Thiourea compounds such as thiocarbanilide, getyl thiourea, dibutyl thiourea, trimethyl thiourea, diortho tolyl thiourea;
- Tetramethylthiuram monosulfide Tetramethylthiuram disulfide (TMTD), tetraethylthiuram disulfide, tetrabutylthiuram disulfide, pentamethylenethiuram tetrasulfide, dipentamethylenethiuram tetrasulfide (DPTT), etc.
- TMTD tetramethylthiuram disulfide
- DPTT dipentamethylenethiuram tetrasulfide
- Zinc dimethyldithiocarbamate Zinc dimethyldithiocarbamate, Zinc dimethyldithiocarbamate, Zinc di-n-butyldithiocarbamate, Zinc ethylphenyldithiocarbamate, Zinc butylphenyldithiocarbamate, Dimethyldithiocarbamate Sodium, selenium dimethyldithiocarbamate, tellurium dimethyldithiocarbamate, etc. Dithioate compounds;
- Xanthate compounds such as zinc dibutylxanthate
- the vulcanization accelerator as described above is used in an amount of 0.1 to 20 parts by weight, preferably 0.2 to 10 parts by weight, based on 100 parts by weight of the ethylene copolymer rubber (A). It is desirable to use.
- the vulcanizing aid polyfunctional monomer
- the vulcanizing aid is used in an amount of 0.5 to 2 mol, preferably substantially equimolar, per mol of the organic peroxide. It is preferable to use them together at the same ratio.
- vulcanization aid examples include: ⁇ ; quinone dioxime-based compounds such as p-quinone dioxime; and polyfunctional monomers.
- polyfunctional monomer examples include (meth) acrylate compounds such as trimethylonolepropane acrylate and polyethylene glycol dimethacrylate; aryl compounds such as diaryl phthalate and triaryl cyanurate.
- Maleimide-based compounds such as m-phenylenebismaleimide; divinylbenzene;
- the rubber composition of the present invention contains a compound constituting a foaming system such as a foaming agent (E) and a foaming aid, it can be foam-molded.
- foaming agents generally used for foaming rubber can be widely used, and specific examples thereof include sodium bicarbonate, sodium carbonate, ammonium bicarbonate, and ammonium carbonate.
- the foaming agent (E) can be used in a proportion of 0.5 to 30 parts by weight, preferably 1 to 20 parts by weight, per 100 parts by weight of the ethylene copolymer rubber (A). From the rubber composition containing the foaming agent (E) in such an amount, a foam having an apparent specific gravity of 0.03 to 0.8 gZcm 3 can be produced.
- a foaming aid can be used together with the foaming agent (E).
- the foaming agent (E) has the effects of lowering the decomposition temperature, accelerating the decomposition, and making the bubbles uniform.
- examples of such a foaming aid include organic acids such as salicylic acid, phthalic acid, stearic acid and oxalic acid, urea and derivatives thereof.
- the foaming aid is used in an amount of 0.01 to 10 parts by weight, preferably 0.1 to 5 parts by weight, based on 100 parts by weight of the ethylene copolymer rubber (A).
- the rubber composition of the present invention may contain various other components, such as stabilizers such as antioxidants and light stabilizers, processing aids, plasticizers, coloring agents, flame retardants, and other rubber compounding agents. Can be done. The type and content of other components are appropriately selected according to the application.
- the rubber composition of the present invention preferably contains an antioxidant because the material life can be extended.
- the antioxidant include aromatics such as phenylnaphthylamine, 4,4 ′-( ⁇ , ⁇ -dimethylbenzinole) dipheninoleamine, ⁇ , ⁇ ′-di-2-naphthyl- ⁇ -phenylenediamine and the like.
- Phenol stabilizers such as methane; thioether stabilizers such as bis [2-methyl-41- (3-n-alkylthiopropioninoleoxy) -5-t-butylphenyl] sulfide; 2-mercaptobenzoimidazole Benzoimidazole stabilizers such as dibutyl Examples include dithio-rubbamate-based stabilizers such as nickel dithio-rubamate; quinoline-based stabilizers such as a polymer of 2,2,4-trimethyl-11,2-dihydroquinoline. These can be used in combination of two or more.
- Such an antioxidant can be appropriately used in a proportion of 5 parts by weight or less, preferably 3 parts by weight or less, based on 100 parts by weight of the ethylene copolymer rubber (A).
- processing aids those generally compounded with rubber as processing aids can be widely used. Specific examples include higher fatty acids such as ricinoleic acid, stearic acid, palmitic acid and lauric acid; salts or esters of these higher fatty acids, for example, barium stearate, zinc stearate, calcium stearate and the like.
- the processing aid can be appropriately used in a proportion of 10 parts by weight or less, preferably 5 parts by weight or less, based on 100 parts by weight of the ethylene copolymer rubber (A).
- the rubber composition of the present invention may contain other known rubbers as long as the object of the present invention is not impaired.
- Such other rubbers include natural rubber (NR), isoprene rubber such as isoprene rubber (IR), butadiene rubber (BR), styrene-butadiene rubber (SBR), acrylonitrile butadiene rubber (NBR) And conjugated rubbers such as chloroprene rubber (CR).
- NR natural rubber
- isoprene rubber such as isoprene rubber (IR)
- BR butadiene rubber
- SBR styrene-butadiene rubber
- NBR acrylonitrile butadiene rubber
- conjugated rubbers such as chloroprene rubber (CR).
- ethylene- ⁇ -olefin copolymer rubbers can also be used.
- EPR ethylene-propylene random copolymer
- ⁇ ethylene- ⁇ -olefins other than the ethylene copolymer rubber
- Polyene copolymers, for example, ⁇ DM can also be used.
- the rubber composition of the present invention is selected from the group consisting of an ethylene copolymer rubber (A), a reinforcing agent (B), a softening agent (C), a vulcanizing agent (D) and a foaming agent (E).
- the rubber composition can be prepared from at least one additive and other components, if necessary, as described above by a general method for preparing a rubber compound.
- Banbari Miki Ethylene copolymer rubber (A), reinforcing agent (B), softening agent (C) and other components are mixed using internal mixers such as sir, kneader, and intermix.
- a vulcanizing agent (D), a vulcanization accelerator or a vulcanization aid as necessary, and use rolls or a kneader such as an open mouth.
- the mixture can be prepared by fractionation. In this manner, a rubber composition (compounded rubber) usually in the form of a ribbon or sheet is obtained.
- the crosslinked rubber of the present invention can be obtained by molding the above uncrosslinked rubber composition by various molding methods using a molding machine such as an extrusion molding machine, a calender roll, a press, an injection molding machine, and a transfer molding machine.
- a molding machine such as an extrusion molding machine, a calender roll, a press, an injection molding machine, and a transfer molding machine.
- This is a crosslinked product obtained by preforming into a desired shape and simultaneously with molding or by introducing the molded product into a vulcanization tank and heating, or by irradiating with an electron beam.
- the uncrosslinked rubber compound containing the foaming agent (E) is crosslinked by the above-described method, whereby the foaming proceeds together with the crosslinking, and a foam is obtained.
- heating methods such as HAV (hot air), PCM (glass bead fluidized bed), UHF (ultra-high frequency electromagnetic wave), steam, and LCM (hot molten salt bath) can be used. It is preferable to heat at a temperature of 150 to 270 ° C for 1 to 30 minutes using a heating tank.
- the preformed rubber composition may have an energy of 0.1 to: L OMe V, preferably 0.3 to 2 MeV.
- the electron beam may be irradiated so that the absorbed dose becomes 0.5 to 35 Mrad, preferably 0.5 to 10 Mrad.
- a mold may be used, or a mold may not be used.
- the rubber composition is usually continuously molded and crosslinked.
- the crosslinked rubber of the present invention is used for automotive industrial parts such as sealing materials, automotive user strips, door glass run channels, window frames, radiator hoses, brake parts, wiper blades, rubber rolls, belts, packings, hoses and the like. It can be suitably used for applications such as industrial rubber products, electric insulation materials such as anode caps and grommets, construction gaskets, civil engineering building materials such as civil engineering sheets, and rubber cloth.
- a crosslinked foam obtained by heating and foaming a rubber compound containing a foaming agent (E) can be used for applications such as heat insulating materials and cushioning materials.
- the crosslinked rubber molded article for a seal of the present invention is made of the above-mentioned crosslinked rubber, and is a molded article formed into a shape according to the application.
- the crosslinked rubber molded article for sealing of the present invention may be a non-foamed article or a foamed article.
- the crosslinked rubber molded article for sealing according to the present invention is a sealing material for automobiles such as weatherstrip sponge for automobiles, foam molded sponge in a mold, a door glass run channel, a window frame, etc .; It can be suitably used for such purposes.
- the crosslinked rubber molded article for sealing of the present invention is particularly excellent in sealing performance and shape retention.
- the weatherstrip sponge for automobiles of the present invention is made of the crosslinked rubber foam, and is particularly excellent in sealing performance and shape retention.
- the fourth ethylene copolymer rubber (F) used as the base polymer of the crosslinked rubber latex composition of the present invention comprises a structural unit derived from ethylene (a) and an ⁇ -olefin (b) having 3 to 20 carbon atoms. ) And a structural unit derived from the triene compound (c) represented by the formula (1), which is an ethylene / ⁇ -olefin / triene copolymer rubber.
- ⁇ -olefin having 3 to 20 carbon atoms (b) used in the fourth ethylene copolymer rubber (F) specifically, propylene, 1-butene, 11-pentene, 1 hexene, 3—methinole 1 butene, 3—methinole 1—pentene, 3—ethinole 1— ⁇ 4-Methynole-1-pentene, 4-Methynole-1-hexene, 4,4-Dimethynole-1-hexene, 4,4-dimethyl-1-pentene, 4-ethyl-1-hexene, 3-ethyl-1 —Hexene, 1-octene, 1-decene, 1-dodecene, 1-tetradecene, 11-hexadecene, 1-octadecene, 1-eicosene, etc. Of these, propylene, 1-butene, 1-hexene and 1-otaten are preferred.
- triene compounds (c) represented by the above formula (1) compounds in which R 3 and R 4 are both methyl groups are preferred.
- Such a triene compound (c) is used as a monomer raw material.
- the obtained random copolymer rubber is particularly excellent in the balance between the crosslinking speed and the scorch property.
- triene compound (c) represented by the formula (1) examples include the same as the triene compound (c) described for the ethylene-based copolymer rubber.
- the triene compounds (c) 4,8-dimethyl-1,4,8-decatriene (DM DT) is preferred.
- the triene compound (c) may be a mixture of a trans form and a cis form, or may be a trans form alone or a cis form alone.
- the structural unit derived from the triene compound (c) is represented by the above formula (1 ′).
- constituent units derived from the monomers of ethylene (a), ⁇ -olefin and triene compound (c) are randomly arranged and bonded. It has a branched structure caused by the triene compound (c), and has a substantially linear main chain. The fact that the structural unit derived from the triene compound (c) has the above structure can be confirmed by measuring the 13 C-NMR spectrum of this copolymer.
- the fourth ethylene copolymer rubber (F) may be copolymerized with another monomer other than the triene compound (c). Another monomer is non-conjugated polyene
- non-conjugated genes such as polymerizable carbon-carbon double bonds for 1 minute
- Non-conjugated genes that exist only one in the child also, cyclic olefins and the like can be mentioned.
- the other monomer the monomers exemplified as the other monomer of the first ethylene copolymer rubber can be used. Specific examples include 1,4-hexadiene, 5-ethylidene-12-norbornolenene, dicyclopentadiene, and 5-vinylnonolebornene.
- the fourth ethylene copolymer rubber (F) used in the present invention preferably has the following composition and properties.
- the fourth ethylene copolymer rubber (F) has a molar ratio (ethylene-olefin) of ethylene (a) and ⁇ -olefin (3) having 3 to 20 carbon atoms of 95 ⁇ 5 to 40/60. , Preferably in the range of 92 to 60 640, more preferably in the range of 90/10 to 65/35.
- the fourth ethylene-based copolymer rubber (F) with an ethylene-olefin molar ratio in the range of 95 ⁇ 5 to 4060 has excellent low-temperature flexibility, impact resistance at low temperatures, and heat resistance. I have.
- the fourth ethylene copolymer rubber (F) is Toryen compound (c) 0. 1 ⁇ 3 0 mole 0/0 content of, preferably is desirably in the range of 0.5 to 7 mol%.
- the fourth ethylene copolymer rubber (F) having a content of the benzene compound (c) in the range of 0.1 to 30 mol% is excellent in impact resistance and surface gloss modifying effect.
- the fourth ethylene-based copolymer rubber (F) has an intrinsic viscosity [7?] Measured in decalin at 135 ° C; 0.1 to 10 dlg, preferably 0.3 to 1: LO dl Zg, more preferably 0.5 to 2.0 d 1 Zg, particularly preferably 0.7 to 1.5 dl / g.
- the intrinsic viscosity ⁇ ) of the fourth ethylene copolymer rubber (F) has an important influence on the particle size control during the formation of latex and on the properties of the obtained latex composition.
- the intrinsic viscosity of the fourth ethylene copolymer rubber (F) is in the range of 0.1 to 10 d1 Zg, a good effect of improving impact resistance can be obtained, and resin modification can be performed. It can be suitably used as a material.
- the average particle size of the solid components in the latetudus composition became 3.0 // m or less, and the storage stability of the latex composition The properties are good.
- the fourth ethylene-based copolymer rubber (F) the above-mentioned first, second or third ethylene-based copolymer rubbers can be used, and those other than these can also be used. Further, the fourth ethylene copolymer rubber (F) can be produced by the same production method as the first, second or third ethylene copolymer rubber.
- the low molecular weight (co) polymer (G) used in the present invention is a low molecular weight polyethylene (ethylene homopolymer), a low molecular weight ethylene ' ⁇ -olefin copolymer, an unsaturated carboxylic acid compound-modified low molecular weight polyethylene, or It is an unsaturated carboxylic acid compound-modified low molecular weight ethylene / ⁇ -olefin copolymer.
- unsaturated carboxylic acid-based compound-modified low-molecular-weight polyethylene or unsaturated carboxylic acid-based compound-modified low-molecular-weight ethylene- ⁇ -olefin copolymer is preferred.
- Such a low molecular weight (co) polymer (G) has a function of easily refining the fourth ethylene-based copolymer rubber (F) when forming the latex.
- These low molecular weight (co) polymers (G) may be waxy at room temperature or liquid at room temperature.
- a waxy low molecular weight (co) polymer at room temperature and a liquid low molecular weight (co) polymer at room temperature can be used separately, or both can be used in combination.
- Examples of the low molecular weight polyethylene include polyethylene wax.
- Examples of the low molecular weight ethylene / ⁇ -olefin copolymer include an ethylene / ⁇ -olefin copolymer such as an ethylene / propylene copolymer and an ethylene / 1-butene copolymer.
- the intrinsic viscosity ⁇ of low-molecular-weight polyethylene and low-molecular-weight ethylene'hydroolefin copolymer measured at 135 ° C in decalin is from 0.01 to 0.3 dl / g, preferably from 0.01 to 1 dl / g. It is desirable to be in the range of 0.2 dl Z g.
- the low-molecular-weight polyethylene or low-molecular-weight ethylene is a modified low-molecular-weight polyethylene or a modified low-molecular-weight ethylene / polyolefin copolymer obtained by copolymerizing or graft-copolymerizing an unsaturated carboxylic acid-based compound described later with a low-molecular-weight (co) polymer (G) can also be used.
- the unsaturated carboxylic acid-based compound include unsaturated carboxylic acids containing 3 to 20 carbon atoms, preferably 3 to 10 carbon atoms in the molecule, or anhydrides thereof, amides thereof, and amides thereof. And imids and their esters.
- Unsaturated carboxylic acid amides such as maleic acid monoamide and maleic acid diamide; unsaturated carboxylic acid imides such as maleic acid;
- Methyl acrylate methyl methacrylate, dimethyl maleate, monomethyl maleate, getyl maleate, jetinole fumarate, dimethyl itaconate, jetinole citracone, dimethinole tetrahydrophthalate, bicyclo [2.2.1] hept — Unsaturated carboxylic esters such as dimethyl 2,6-dicarboxylate and glycidyl (meth) acrylate
- unsaturated carboxylic acid compounds such as maleic acid, maleic anhydride, maleic acid monoamide, maleic acid diamide, maleimide, monomethyl maleate, maleic acid getyl, dalicidyl (meth) acrylate, and the like. preferable.
- unsaturated carboxylic acid compounds can be used alone or in combination.
- Low-molecular-weight polyethylene and low-molecular-weight ethylene / ⁇ -olefin copolymer The amount of copolymerization or grafting of the polymerized or graft-polymerized unsaturated carboxylic acid compound is usually 0.2 to 50% by weight, preferably 0.2 to 20% by weight based on the weight of the modified low molecular weight copolymer. % By weight, more preferably 0.2 to 10% by weight. It is preferably in the range of / o.
- the limiting viscosity [7?] Of the modified low molecular weight copolymer as described above in 135 ° C decalin is 0.01 to 0.3 dl Zg, preferably 0.01 to 0.2 dl. It is desirable to be in the range of Zg.
- the low molecular weight (co) polymer (G) as described above can be used alone or in combination.
- the low molecular weight (co) polymer (G) is used in an amount of 2 to 30 parts by weight based on 100 parts by weight of the fourth ethylene copolymer rubber (F). It is preferably used in a proportion of 5 to 25 parts by weight, more preferably 5 to 20 parts by weight.
- the low molecular weight copolymer (G) By using the low molecular weight copolymer (G) at the above ratio, it is easy to make the latex finer, and the storage stability of the resulting crosslinked rubber latex composition becomes better. . At the same time, the obtained crosslinked rubber latex composition exhibits excellent effects such as excellent impact resistance and can be suitably used as a resin modifier.
- the crosslinked rubber latex composition of the present invention is characterized in that the fourth ethylene-based copolymer rubber (F) and the low-molecular-weight (co) polymer (G) are mixed in the above-described mixing ratio in the presence of a surfactant and an aqueous medium.
- the latex can be obtained by uniformly dispersing the latex into a latex and then subjecting the obtained latex composition to a crosslinking treatment.
- anionic surfactants such as fatty acid sodium and fatty acid potassium can be used.
- Agents are preferably used.
- the surfactant is the fourth ethylene copolymer rubber (F) used and the low molecular weight Although it depends on the type of the (co) polymer (G) and the like, it is generally 0.2 to 20 parts by weight, preferably 0.5 part by weight, per 100 parts by weight of the fourth ethylene copolymer rubber (F). It is desirable to use in a proportion of 10 parts by weight.
- the fourth ethylene copolymer rubber (F) and the low molecular weight (co) polymer (G) are uniformly dissolved in a hydrocarbon solvent such as n-hexane.
- a hydrocarbon solvent such as n-hexane.
- the solution is mixed and dispersed in an aqueous medium in which a predetermined amount of a surfactant is dispersed under stirring, and then heated to an appropriate temperature to volatilize and remove the solvent component.
- the amount of the aqueous medium to be used is usually selected such that the solid content concentration in the latex is in the range of 5 to 65% by weight, preferably 10 to 60% by weight, based on the product latex. It is suitable from the viewpoint of sex.
- the latex composition obtained as described above is subjected to a cross-linking treatment, and a cross-link is formed in the molecular chain of the fourth ethylene copolymer rubber (F).
- This crosslinking treatment can be performed by a conventionally known crosslinking treatment method such as a crosslinking treatment method using ionizing radiation or a crosslinking treatment method using an organic peroxide.
- the crosslinking treatment can be performed by blending a polyfunctional monomer into the latex composition, or can be performed without blending.
- polyfunctional monomer for example, a monomer having two or more ethylenically unsaturated groups, particularly a vinyl group, is preferably used.
- a monomer having two or more ethylenically unsaturated groups particularly a vinyl group
- Specific examples include divinylbenzene, tetramethylene diacrylate, glyceryl triatalylate, ethyleneglycol dimethacrylate, 1,2,4-trihexyl hexane, and tetrali quixetane. can give.
- These polyfunctional monomers are used in an amount of 0.1 to 20 parts by weight, preferably 0.3 to 5 parts by weight, based on 100 parts by weight of the fourth ethylene copolymer rubber (F). Used.
- any of ⁇ -ray, / 3-ray, ⁇ -ray, electron beam and X-ray may be used.
- the irradiation dose of these ionizing radiations is 1 to 5 OM rad, preferably 5 to It is desirable to be in the range of 25 Mrad.
- the crosslinking treatment with the organic peroxide is performed by uniformly dispersing the organic peroxide in the latex composition, and then heating the latex composition to a temperature not lower than the decomposition temperature of the organic peroxide.
- Organic peroxides having a 10-hour half-life temperature of 0 ° C or more and 100 ° C or less from the viewpoints of stability of latex particles, safety of the crosslinking reaction operation, and economic efficiency. preferable.
- the organic peroxide is used in an amount of usually 0.3 to 20 parts by weight, preferably 1 to 10 parts by weight, based on 100 parts by weight of the fourth ethylene copolymer rubber (F) in the latex composition. It is desirable to use in the ratio of.
- the crosslinking conditions such as the heating time in the crosslinking treatment may be either normal pressure or pressurization. It is preferably set to 50% by weight or more, more preferably 60% by weight or more. Specifically, it is appropriate to set the heating time to 5 to 7 times the normal half life.
- the above-mentioned hot toluene insoluble matter content (gel fraction) is expressed as a ratio of the insoluble amount in toluene at 120 ° C. of the total solid form in the latex composition. You can use it.
- the detailed method for measuring the content of the insoluble matter in hot toluene will be described in Examples described later. By setting the gel fraction within the range described above, ten The effect of improving the impact resistance can be obtained.
- the crosslinked rubber latex composition of the present invention desirably has an average solid particle size of 0.2 to 3.0 ⁇ m, preferably 0.2 to 2.0 ⁇ m.
- crosslinked rubber latex composition of the present invention conventionally known pigments, thickeners, plasticizers, preservatives, defoamers, pH regulators, antioxidants, antioxidants, etc.
- the combination agent can be blended within a range that does not impair the purpose of the present invention.
- These compounding agents can be compounded in the latex composition before the crosslinking treatment or in the latex composition after the crosslinking treatment.
- the crosslinked rubber latex composition containing the fourth ethylene-based copolymer rubber (F) as a main component prepared as described above has an average solid particle size of 0.2 to 3.0 / im. It has excellent storage stability.
- the crosslinked rubber latex composition has a high thermal toluene-insoluble content (gel fraction) of the fourth ethylene-based copolymer rubber (F) component of 30% by weight or more, so that the impact resistance is low. It is extremely useful for modifying a resin that could not form a molded article having excellent surface gloss into a resin capable of forming a molded article having excellent impact resistance and surface gloss. Such modification of the resin can be performed by blending the resin to be modified with the crosslinked rubber latex composition of the present invention.
- the compounding amount of the crosslinked rubber latex composition of the present invention is 5 to 50% by weight as the amount of the solid content of the crosslinked rubber latex composition of the present invention in the whole resin solid content after modification. / 0 , preferably 10-40 weight. / 0 is desirable.
- the resin to be modified and examples include polychlorinated butyl resin.
- the fourth ethylene copolymer rubber (F) is a specific triene compound (c). It is presumed that the high reactivity of the graphite resulted in the improved dispersibility of the ethylene / ⁇ -olefin / triene copolymer rubber in the modified resin component.
- the AES resin of the present invention is a copolymer of atalonitrile, a fourth ethylene-based copolymer rubber (F) and styrene, and acrylonitrile and styrene are added to the fourth ethylene-based copolymer rubber (F). It is graphed.
- the AES resin also contains a low molecular weight (co) polymer (G), which is a component of the crosslinked rubber latex composition.
- the AES resin of the present invention can be prepared from the crosslinked rubber latex composition of the present invention by a known method.
- the AES resin of the present invention can be obtained by subjecting the crosslinked rubber latex composition of the present invention to emulsion graft polymerization of phthalonitrile and styrene.
- the following AES resin manufacturing methods are available for the purpose of handling a wide variety of products, facilitating quality improvement, improving productivity, and reducing wastewater treatment.
- a dry product having a high rubber content obtained by emulsifying and polymerizing atalylonitrile and styrene with the crosslinked rubber latex composition of the present invention is prepared.
- this dried product is blended with an acrylonitrile-styrene resin (AS resin) as a resin component prepared in advance to obtain an AES resin.
- AS resin acrylonitrile-styrene resin
- the desired AES resin is obtained by adjusting the amount of the fourth ethylene copolymer rubber (F) component according to the blend ratio.
- Such blending is performed at a temperature of 150 to 300 ° C, preferably 180 to 25, using an extruder or the like.
- the content of the crosslinked rubber latex composition of the present invention in the AES resin of the present invention is 5 to 50% by weight as the solid content of the crosslinked rubber latex composition in the entire solid content of the AES resin. /. Preferably, it is 10 to 40% by weight ° / 0 .
- the AES resin of the present invention has a higher impact resistance and a lower impact resistance than the conventional AES resin without impairing the excellent weather resistance and solvent resistance inherent in the fourth ethylene-based copolymer rubber (F).
- a molded article having excellent surface gloss can be formed.
- the AES resin of the present invention can be used as a housing for home electric appliances by itself. It can be used for automotive interior parts such as instrument panels and automotive exterior parts such as front grills. Further, the AES resin of the present invention can be used for modifying impact resistance or the like by blending it with PVC or the like.
- the first and second ethylene copolymer rubbers of the present invention are new and useful copolymer rubbers.
- the first and second ethylene copolymer rubbers of the present invention comprise ethylene (a), ⁇ -olefin (b) having 3 to 20 carbon atoms, and a specific benzene compound (c). It is a random copolymer rubber containing a specific amount of structural units derived from a non-conjugated polyene (d) having two or more double bonds in one molecule that can be polymerized, and having specific physical properties. It has a high crosslinking rate, is excellent in scorch stability, processability and moldability, and has excellent mechanical properties such as crosslinked rubber strength after crosslinking, as well as excellent shape retention.
- the third ethylene copolymer rubber of the present invention is a novel and useful copolymer rubber.
- the third ethylene copolymer rubber of the present invention comprises ethylene (a), ⁇ -olefin (b) having 3 to 20 carbon atoms, a specific triene compound (c), and a polymerizable double bond.
- ethylene a
- ⁇ -olefin b
- c a specific triene compound
- the process for producing an ethylene copolymer rubber of the present invention comprises the steps of forming ethylene ( a ), ⁇ -olefin (b) having 3 to 20 carbon atoms, a specific triene compound (c), and a polymerizable double bond.
- ethylene a
- ⁇ -olefin b
- c a specific triene compound
- d a polymerizable double bond
- the system copolymer rubber can be easily and efficiently produced.
- the rubber composition of the present invention contains the above-mentioned first, second or third ethylene-based copolymer rubber, the crosslinking rate is high, and the stability, processability and moldability of the composition are high. It has excellent mechanical properties such as crosslinked rubber strength after crosslinking, and also has excellent shape retention.
- the crosslinked rubber of the present invention is a crosslinked product of the rubber composition, it can be manufactured efficiently and at low cost, and has excellent mechanical properties such as crosslinked rubber strength and excellent shape retention. .
- the crosslinked rubber molded article for sealing of the present invention is a crosslinked product of the above rubber composition, it can be produced efficiently and at low cost, and has good mechanical properties such as crosslinked rubber strength and shape retention. Excellent and excellent sealing performance.
- the automotive weatherstrip sponge of the present invention is made of the crosslinked rubber foam, it is particularly excellent in sealing performance and shape retention.
- the method for producing a crosslinked rubber molded article for a seal of the present invention is produced by crosslinking a rubber composition, the crosslinked rubber molded article for a seal can be produced simply, efficiently and at low cost.
- the crosslinked rubber latex composition of the present invention contains a specific amount of a specific ethylene copolymer rubber (F) and a low molecular weight (co) polymer (G), and the ethylene copolymer rubber (F) component. Since a cross-link is formed in the resin, the resin that could not form a molded article with excellent impact resistance and surface gloss was replaced with an ethylene copolymer rubber
- the resin can be modified into a resin capable of forming a molded article having excellent impact resistance and surface gloss without impairing the excellent weather resistance and solvent resistance inherent in (F).
- the AES resin of the present invention is prepared using the above crosslinked rubber latex composition, the excellent weather resistance and resistance inherent to the ethylene copolymer rubber (F) inherently exist as compared with the conventional AES resin.
- a molded article having excellent impact resistance and surface gloss can be formed without impairing the solvent properties.
- the absorption peak is shown below.
- rac-Dimethinolesilylene-bis (2-methinolyl 4-phenyl-11-indenyl) benzene solution of zirconium dichloride and methylalumoxane (methylaluminoxane) (1.2 milligram atoms / ml in terms of aluminum atoms) ) was mixed in place with stirring at room temperature for 30 minutes to prepare a toluene solution in which the zirconium compound and methylalumoxane were dissolved.
- This toluene solution has a Zr concentration of 0.002 millimoles Zm1, and a methylalumoxane concentration of 1.2 milligram atoms Zm1 in terms of aluminum atoms.
- an ethylene 'propylene / DMDT copolymer rubber (1-A) was obtained in an amount of 75 g / hour.
- the molar ratio of the structural unit derived from ethylene to the structural unit derived from propylene (ethylene Z propylene) was 73Z27, and the DMDT content was 2.8 mol. /.
- the intrinsic viscosity [7]] measured in decalin solvent at 135 ° C was 2.7 dl Zg.
- the g 'value was 0.87.
- Table 1_1 along with other physical properties.
- Example 1-1 Except that the type of ⁇ -olefin and the polymerization conditions were changed, the ethylene-propylene-DMDT copolymer rubber (1-1B) or the ethylene- 1-butene-DMDT was used in the same manner as in Example 1-1. A copolymer rubber (11-C) was obtained. The characteristics are shown in Table 1-1.
- Example 1 Into the polymerization vessel from the polymerization vessel upper portion of Example 1 one 1, hexane per hour 2. 7 liter to dehydrated and purified, time per a VOC 1 3 of hexane solution as a catalyst (concentration 6 Mi Rimoru Zliter) 1. 4 liter , a 1 (C 2 H 5 ) 5 C 1 5 of hexane solution (concentration 4 2 Mi Rimoru / liter) per hour 1. 4 liter, 5 Chiriden one 2- Nonorebonorenen (ENB) of hexane solution (concentration of 0. (0.3 liters / liter) per hour, 1.5 liters / hour, each continuously, and the polymerization temperature was set to 40 ° C. 'A propylene / ENB copolymer rubber (1-D) was obtained. The characteristics are shown in Table 1-1. Comparative Examples 1-2 and Comparative Examples 1-3
- the polymerization conditions were changed by using ENB or 4-ethylidene-8-methyl-1,7-nonagen (hereinafter referred to as EMND) (all compounds are not included in the triene compound (c)) instead of DMDT. Except for the above, a copolymer rubber (111E) or a copolymer rubber (111F) was obtained in the same manner as in Example 11-11. The characteristics are shown in Table 11-1.
- Sample A 2 mm sheet was prepared at 190 ° C. using a 50 t press, and a disk-shaped sheet having a diameter of 25 mm was punched out of the sheet to obtain a sample for measuring viscosity.
- Compound rubbers were prepared by using the copolymer rubbers shown in Table 1-1 in the amounts shown in Tables 1-2.
- Meta 102 manufactured by Inoue Lime Industry Co., Ltd., trademark
- Dimethyldistearylammonium chloride Arcard 2 ⁇ , a trademark of Linaczo Co., Ltd.
- Ethylenethiourea Suncellar 22-C, manufactured by Sanshin Chemical Industry Co., Ltd., trademark * 10 ⁇ , ⁇ '-Oxybis (benzenesnorefoni> ⁇ hydrazide): Neosenolevone N 1
- the rubber composition was extruded at a die temperature of 80 ° C and a cylinder temperature of 60 ° C, It was formed into a tube.
- This molded body was vulcanized in a hot air vulcanization tank at 230 ° C for 6 minutes to obtain a tube-shaped vulcanized sponge rubber.
- the following physical property tests were performed on the obtained sponge rubber and the uncrosslinked rubber before vulcanization. The results are shown in Table 1-3.
- T 90 [Hereinafter referred to as T 90. Unit: minutes] was used as a measure of the crosslinking rate. This ⁇ 90 is short This indicates that the crosslinking speed is as high as possible.
- the 1 0% Time to reach ME (hereinafter referred to as T 1 0. Unit: minutes] was used as a measure of scorch stability. The longer the value of ⁇ ⁇ 10, the better the scorch stability.
- test piece of 2 mm x 2 mm was punched out from the top of the sponge on the vulcanized tube, and the dirt on the surface was wiped off with alcohol.
- This test piece was attached to an automatic hydrometer (M-1 type, manufactured by Toyo Seiki Seisaku-sho, Ltd.) in an atmosphere of 25 ° C, and the specific gravity was measured from the difference in mass between air and pure water.
- the vulcanized sponge rubber extruded cross-linked sponge rubber
- a sponge rubber compression set measuring die put it in a sponge rubber compression set measuring die, and set the height of the sponge rubber tube, that is, the diameter of the tube.
- the permanent mold After being heat-treated in a gear oven at 70 ° C for 100 hours, the permanent mold is compressed according to the physical test method for expanded rubber (SRIS-0101). The distortion (CS) was determined.
- the ratio of the height to the width of the cross-section of the vulcanized tube-shaped sponge was measured and defined as the shape retention.
- Shape retention (%) (L / D) X 1 0 0
- the above mixed solution was injected into the autoclave with nitrogen to initiate polymerization. Then, the temperature of the autoclave was adjusted to 70 ° C for 60 minutes, and the pressure was reduced to 0.
- Trifenylcarbenium tetrakispentafluor fenolinole
- unit is MP a (gauge pressure)
- NBD 2, 5—Nonorebonorenagen
- Sulfur Accelerator ⁇ trade name “Sancellar ⁇ ” manufactured by Sanshin Chemical Industry Co., Ltd .; compound name: 2-mercaptobenzothiazole: 0.5 part by weight] and 1.5 parts by weight Then, a compounded rubber was obtained.
- Scorch time t Using a Mooney viscometer SMV-202 (manufactured by Shimadzu Corporation), measure the change in Mooney viscosity at 125 ° C, and calculate the minimum viscosity (Vm) from the start of measurement. determine the time until the rise point, it was a scorch time t 5. The higher the scorch time t 5 is long, indicates that the scorch stability is good.
- Example 2-1 A copolymerization reaction was performed in the same manner as in Example 2-1 except that the copolymerization conditions were changed in Example 2-1.
- Table 2-1 shows the copolymerization conditions and results.
- Example 2-1 the same procedure as in Example 2-1 was carried out except that the ethylene propylene.ENB copolymer rubber was used instead of the ethylene propylene DMDT.VNB quaternary copolymer rubber in Example 2-1. Was.
- the results are shown in Table 2-3.
- a compounded rubber (composition) was prepared using the ethylene / propylene / EMN / VNB copolymer rubber obtained in Example 2-1 and other components at the compounding amounts shown in Table 2-4.
- Zinc dibenzinole dithiocarbamate * 80.8 ⁇ 2.0 ⁇ , ⁇ '-oxybis (benzenesnolephonyl hydrazide) * 93.5 Urea compound * 1 0 0.5 Calcium oxide * 1 1 4.0 * 1 Meta Z 102 (trademark), manufactured by Inoue Lime Industry Co., Ltd.
- a vulcanizing agent Yo ⁇
- other additives shown in Table 2-4 were added to the kneaded material obtained as described above.
- Ingredients [The remaining component is calcium oxide 4 parts by weight, N-cyclohexyl-2-mercaptobutenzothiazyl.sulfenamide 1.0 part by weight, tetrakis (2-ethylhexyl) thiuram disulphide 1.6 Parts by weight, 0.8 parts by weight of zinc dibenzyldithiocarbamate, 3.5 parts by weight of p, p'-oxybis (benzenesulfonylhydrazide), 0.5 part by weight of a urea compound], and kneaded.
- a compounded rubber was obtained.
- this uncrosslinked rubber was extruded at a die temperature of 80 ° C and a cylinder temperature of 60 ° C using a 60 mm extruder equipped with a tubular die (inner diameter: 10 mm, wall thickness: lmm). It was formed into a tube.
- This molded body was vulcanized in a 220 ° C. hot air vulcanizing tank for 4 minutes to obtain a sponge rubber.
- a test piece was obtained by punching out the upper part of the vulcanized tubular sponge rubber in the length direction with a No. 3 type dumbbell described in JIS K 6251 (1993). Using this test piece, a tensile test was conducted at the measurement temperature of 25 ° C and a tensile speed of 50 OmmZ in accordance with the method specified in paragraph 3 of JIS K 6251.
- a 20 mm x 20 mm test piece is punched out from the top of the vulcanized tubular sponge rubber, and the surface is wiped off with alcohol.
- the test piece was attached to an automatic hydrometer (M-1 type, manufactured by Toyo Seiki Seisaku-sho, Ltd.) in an atmosphere of 25 ° C, and the specific gravity was measured from the difference in mass between air and pure water.
- the upper surface of the sponge rubber was expressed numerically.
- the tubular sponge rubber is cut to a length of 5 Omm, and among the extracted parts, the sum of the heights of the convex parts from the highest to the tenth (hj)
- Example 2-4 In the same manner as in Example 2-4, except that the terpolymer rubber obtained in Comparative Example 2-1 was used instead of the ethylene / propylene / EMN / NBD copolymer rubber in Example 2-4. I went. The results are shown in Table 2-5.
- DMDT Ethylene propylene .4,8-dimethyl-1,4,8-decatriene
- a dispersion obtained by dispersing 5 g of potassium oleate as a surfactant in 900 g of water was mixed with the above homogeneous solution for 30 minutes using a homomixer (rotational speed of stirring blades 1, 200 rpm). Mixed.
- n-xane was volatilized and removed at a temperature of 60 to 80 ° C. while slowly stirring the emulsion obtained by this mixing to obtain a latex composition.
- the latex composition was transferred to an electron beam irradiation container to a thickness of 1.5 mm, the upper portion of the container was sealed with a 30 ⁇ m polyethylene film, and the accelerating voltage was 750 k.
- the composition was irradiated with an electron beam at V and 1 OM rad to prepare a crosslinked rubber latex composition.
- the rubber solidified precipitate, the average particle diameter, and the amount of insoluble matter in hot toluene (gel fraction) were determined according to the following methods. The results are shown in Table 3-2.
- a sample of the crosslinked rubber latex composition was poured onto a 100 mesh stainless steel net, and the amount of rubber solidified and deposited on the net was shown in terms of% by weight based on the total solid content in the crosslinked rubber latex composition.
- the total number of particles in the crosslinked rubber latex composition sample is counted using a Coulter Counter manufactured by Coulter Electronics Co., Ltd., and a histogram by particle size and a cumulative amount histogram are prepared.
- the point where the cumulative weight histogram becomes 50% is defined as the average particle size.
- the total solid content in the crosslinked rubber latex composition sample is coagulated and dried, and about 1.5 g is collected in a 100 mesh stainless steel mesh bag and immersed in 12 ml of 100 ml of toluene for 6 hours. Then, after taking out the net bag and drying, the weight of the solid content remaining in the net bag was measured, and the content (gel fraction) of the insoluble matter in hot toluene was calculated, which was used as a standard of the degree of crosslinking.
- the crosslinked rubber latex composition sample was placed in a closed container and left at room temperature for 2 months. Next, the rubber solidified precipitate was measured in the same manner as in (1) above, and this rubber solidified precipitate was used as a guide for evaluating the storage stability of the crosslinked rubber latex composition.
- AES resin is publicized using the crosslinked rubber latex composition obtained as described above. Manufactured by known methods.
- I Z The Izod impact strength (I Z) was measured using an Izod impact tester [manufactured by Toyo Seiki Co., Ltd.] in accordance with JIS K710.
- JISK 710 a 60-degree specular gloss was measured using a daross meter [manufactured by Nippon Denshoku Co., Ltd.].
- Example 3-1 the ethylene / propylene copolymer rubber [ethylene] was used instead of the ethylene / propylene / 4,8-dimethyl-1,4,8-decatriene copolymer rubber (F-1).
- Example 3-1 ethylene-propylene-5-ethylidene was replaced by ethylene-propylene-5-ethylidene instead of ethylene-propylene-4,8-dimethyl-1,4,8-decarene copolymer rubber (F-1).
- Norbornene copolymer rubber [ethylene Z propylene (molar ratio): 70Z30, content: 2.7 mol. / 0 , 135
- Intrinsic viscosity measured in decalin at 135 ° C [ ⁇ ]: 1. O dl Zg] except that Example 3-1 was used. The results are shown in Table 3-2.
- Example 3-1 ethylene • propylene • 4,8-dimethyl-1,4,8-decatriene copolymer rubber (F-1) was replaced by ethylene • 1-otaten • 4,8-dimethyl -The procedure was the same as Example 3-1 except that 1,4,8-decatriene copolymer rubber (F-2) was used.
- a crosslinked rubber latex composition was prepared in the same manner as in Example 3-1 except that the crosslinking operation was not performed by electron beam irradiation but an organic peroxide was used.
- the crosslinking with the organic peroxide is as follows. 2 parts by weight of P-dibutylbenzene was added to 100 parts by weight of the solid content of the latex composition before the crosslinking treatment, and sufficiently dispersed. Then, the latex composition was transferred to an autoclave having a capacity of 2 liters, and 1,1-di-1-butylperoxy-3,3,3-trimethylcyclohexane as an organic peroxide [trade name: Perhexa 3 M , Manufactured by Nippon Oil & Fats Co., Ltd.], and then subjected to a crosslinking reaction at a temperature of 120 ° C. for 2 hours with stirring to prepare a crosslinked rubber latex composition.
- the crosslinked rubber latex composition was The solidified precipitate, the average particle diameter, and the amount of hot toluene insoluble matter (gel fraction) were determined. The results are shown in Table 3-2.
- Example 3-1 was carried out in the same manner as in Example 3-1 except that the above-mentioned crosslinked rubber latex composition was used instead of the crosslinked rubber latex composition obtained in Example 3-1.
- the results are shown in Table 3-2.
- Example 3-1 was carried out in the same manner as in Example 3-1 except that the electron beam irradiation amount during the crosslinking treatment was set to 3 OM rad. The results are shown in Table 3-2.
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Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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EP00976392A EP1152016A4 (en) | 1999-11-22 | 2000-11-21 | RUBBER OF ETHYLENE POLYMER, METHOD FOR THE PRODUCTION THEREOF AND USE THEREOF |
US09/889,777 US6635727B1 (en) | 1999-11-22 | 2000-11-21 | Ethylene copolymer rubber, process for producing the same, and use |
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JP33133599A JP3918384B2 (ja) | 1999-11-22 | 1999-11-22 | エチレン系共重合体ゴム、その製造方法および加硫可能なゴム組成物 |
JP11/331335 | 1999-11-22 | ||
JP11/332769 | 1999-11-24 | ||
JP33276999A JP2001151961A (ja) | 1999-11-24 | 1999-11-24 | 架橋ゴムラテックス組成物およびそれを用いたスチレン系樹脂 |
JP11/334670 | 1999-11-25 | ||
JP33467099A JP2001151819A (ja) | 1999-11-25 | 1999-11-25 | エチレン・α−オレフィン−トリエン共重合体ゴム、架橋可能なゴム組成物、シール用架橋ゴム成形体、およびその製造方法 |
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US (1) | US6635727B1 (ja) |
EP (1) | EP1152016A4 (ja) |
KR (1) | KR100632822B1 (ja) |
CN (1) | CN1191286C (ja) |
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KR102233684B1 (ko) * | 2019-11-18 | 2021-03-29 | 김효정 | 친환경 트렌치 커버 몰딩용 조성물 및 이 조성물에 의한 합성고무가 피복된 트렌치 커버 |
CN113896959B (zh) * | 2020-06-22 | 2023-05-30 | 中国石油化工股份有限公司 | 改性三元乙丙橡胶及其制备方法 |
KR20220161935A (ko) | 2021-05-31 | 2022-12-07 | 에스케이이노베이션 주식회사 | Epdm 공중합체 및 이의 제조방법 |
WO2023239994A1 (en) * | 2022-06-06 | 2023-12-14 | Exxonmobil Chemical Patents Inc. | Producing copolymers of elemental sulfur and comonomers recovered from post-consumer polymer stream |
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2000
- 2000-11-21 KR KR1020017008561A patent/KR100632822B1/ko active IP Right Grant
- 2000-11-21 CN CNB008053081A patent/CN1191286C/zh not_active Expired - Lifetime
- 2000-11-21 TW TW089124634A patent/TW555768B/zh active
- 2000-11-21 EP EP00976392A patent/EP1152016A4/en not_active Withdrawn
- 2000-11-21 WO PCT/JP2000/008202 patent/WO2001038410A1/ja not_active Application Discontinuation
- 2000-11-21 US US09/889,777 patent/US6635727B1/en not_active Expired - Lifetime
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EP0691319A1 (en) * | 1994-07-06 | 1996-01-10 | Mitsui Petrochemical Industries, Ltd. | Branched polyene compounds and production thereof |
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JPH09188723A (ja) * | 1995-12-29 | 1997-07-22 | Mitsui Petrochem Ind Ltd | 不飽和性プロピレン系共重合体およびその製造方法 |
JPH09188719A (ja) * | 1995-12-29 | 1997-07-22 | Mitsui Petrochem Ind Ltd | 不飽和性エチレン系共重合体およびその製造方法 |
JPH10139827A (ja) * | 1996-11-07 | 1998-05-26 | Mitsui Chem Inc | 液状ゴム、その液状ゴム組成物およびその組成物からなる加硫ゴム |
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Also Published As
Publication number | Publication date |
---|---|
WO2001038410A9 (fr) | 2001-08-30 |
EP1152016A1 (en) | 2001-11-07 |
US6635727B1 (en) | 2003-10-21 |
KR20010089777A (ko) | 2001-10-08 |
TW555768B (en) | 2003-10-01 |
KR100632822B1 (ko) | 2006-10-16 |
EP1152016A4 (en) | 2003-03-26 |
CN1191286C (zh) | 2005-03-02 |
CN1344283A (zh) | 2002-04-10 |
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