WO2005033159A1 - ポリオレフィン系グラフト共重合体 - Google Patents
ポリオレフィン系グラフト共重合体 Download PDFInfo
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- WO2005033159A1 WO2005033159A1 PCT/JP2004/014045 JP2004014045W WO2005033159A1 WO 2005033159 A1 WO2005033159 A1 WO 2005033159A1 JP 2004014045 W JP2004014045 W JP 2004014045W WO 2005033159 A1 WO2005033159 A1 WO 2005033159A1
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- polyolefin
- graft copolymer
- based graft
- compound
- metal compound
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F292/00—Macromolecular compounds obtained by polymerising monomers on to inorganic materials
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- 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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- 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
- C08L23/10—Homopolymers or copolymers of propene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- 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
- C08L51/10—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 grafted on to inorganic materials
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- 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
- C08L51/06—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 grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
Definitions
- the present invention is characterized by graft copolymerizing an olefin monomer to modified particles of a metal compound in the presence of a coordination polymerization catalyst, particularly in the presence of a late transition metal complex-based coordination polymerization catalyst.
- the present invention relates to a novel polyolefin-based graft copolymer, a composition thereof, and a production method thereof.
- the metal compound particles are composed of various polymers such as rigidity, heat resistance, dimensional stability, impact resistance, flame retardancy, dehydration, dehumidification, radiation protection, UV protection, heat radiation, light scattering and reflection. It is used to improve electromagnetic wave absorption, piezoelectricity, thermal conductivity, conductivity, magnetism, heat insulation, light weight, slidability, vibration damping, and other functions.
- a metal compound particle and a polymer may have poor compatibility in some cases.
- a method of grafting a polymer component to be improved to such a metal compound particle is effective.
- the method of grafting using emulsion polymerization is optimal.
- a core-shell body can be synthesized by graft copolymerizing a colloidal silica with a bull-based monomer (Japanese Patent Application Laid-Open No. 9-192408). Also, by graft copolymerizing a butyl monomer onto the core-shell body of colloidal silicide and silicone and then adding it to the thermoplastic resin, the abrasion resistance, weather resistance, impact resistance, etc. of the thermoplastic resin can be improved. (Japanese Patent Laid-Open No. 4-270710).
- inorganic particles such as calcium carbonate Z calcium phosphate (meth) acrylate ester three-layer core-shell body and inorganic particles Z-organic polymer three-layer core-shell body are synthesized, and the strength, elastic modulus, impact strength, The blocking resistance and the scratch resistance are improved (Japanese Patent Laid-Open No. 2001-98164).
- clay compounds ion-exchangeable layered compounds
- polyolefins by a melt-kneading method or a polymerization method has been actively conducted.
- an organic compound modified product
- a composite is obtained by melt-kneading with polyolefin or by olefin polymerization.
- the compatibility between the organically modified clay and the polyolefin is not always sufficient, attempts have been made to improve the compatibility by grafting the organic portion of the organically modified clay with the polyolefin (see Japanese Patent Application Laid-Open No. 20-210). 0 0—1 3 6 3 0 8).
- Grafting of clay compounds is obtained by melt-kneading, but there is no example of grafting by polymerization.
- An object of the present invention is to provide a polyolefin-based copolymer obtained by graft copolymerizing an olefin monomer to modified particles of a metal compound, and particularly to providing an olefin monomer to the modified particles of a metal compound in a state of being dispersed in water.
- the present invention relates to a polyolefin-based graft copolymer characterized in that an olefin monomer is graft-copolymerized on a modified particle of a metal compound in the presence of a coordination polymerization catalyst.
- the present invention relates to a polyolefin-based graft copolymer, wherein the coordination polymerization catalyst is a late transition metal complex-based coordination polymerization catalyst.
- the late transition metal complex-based coordination polymerization catalyst is a complex comprising a ligand having two imine nitrogens and a transition metal selected from Groups 8 to 10 of the periodic table.
- the late transition metal complex-based coordination polymerization catalyst is a complex comprising an ⁇ -dimine type ligand and a transition metal selected from Group 10 of the periodic table.
- the present invention relates to a polyolefin-based graft copolymer.
- the late transition metal complex-based coordination polymerization catalyst is an active species represented by the following general formula (1) or (2) after reacting with the cocatalyst.
- the present invention relates to a polyolefin-based graft copolymer.
- R 4 is each independently a hydrocarbon group having 1 to 4 carbon atoms.
- R 2 and R 3 are each independently a hydrogen atom or a methyl group.
- R 5 is a halogen atom, a hydrogen atom, or an organic group having 1 to 20 carbon atoms
- X is an organic group having a heteroatom which can be coordinated to M, and may be connected to R 5 ; Or X may not be present L- is any anion.
- R 4 is each independently a hydrocarbon group having 1 to 4 carbon atoms.
- R 5 is a halogen atom, a hydrogen atom, or an organic group having 1 to 20 carbon atoms.
- X is an organic group having a heteroatom capable of coordinating to M, and may be connected to R 5 or may be absent.
- L is any anion.
- the present invention relates to a polyolefin-based graft copolymer, wherein the olefin monomer is ⁇ -olefin having 10 or less carbon atoms.
- the metal compound is sodium, potassium, beryllium, magnesium, calcium, strontium, barium, titanium, molybdenum, iron, zinc, aluminum, gallium, silicon, tin, lead, and antimony.
- the present invention relates to a polyolefin-based graft copolymer containing at least one metal selected from the group consisting of:
- the metal compound is selected from oxides, hydroxides, carbonates, sulfates, silicates, nitrides, titanates, zirconates, borates, sulfides, carbides, and borates.
- the present invention relates to a polyolefin-based graft copolymer characterized by any one of the above.
- the present invention relates to a polyolefin-based graft copolymer, wherein the metal compound is magnesium hydroxide or silica. In a preferred embodiment, the present invention relates to a polyolefin-based graft copolymer, wherein the metal compound is a clay compound.
- the modified particles of the metal compound are modified particles obtained by reacting a metal compound with a compound having a functional group, and the compound having the functional group can react with the metal compound in a state of being dispersed in water.
- the present invention relates to a polyolefin-based graft copolymer, which is a compound having one functional group and one carbon-carbon double bond capable of coordination polymerization in one molecule.
- the present invention also relates to a polyolefin-based resin composition comprising the polyolefin-based graft copolymer described above and a polyolefin resin.
- the present invention also relates to a method for producing the above-described polyolefin-based graft copolymer.
- the polyolefin-based graft copolymer of the present invention has good dispersibility and compatibility when kneaded with a polyolefin resin.
- the composition can be imparted with high tensile elongation, high tensile modulus (hardness), high polarity (wetability), high flame retardancy, and the like.
- the present invention relates to a polyolefin-based graft copolymer, which comprises graft copolymerizing an olefin monomer with modified particles of a metal compound in the presence of a coordination polymerization catalyst.
- any one can be used as long as it has an olefin polymerization activity, but it preferably has an olefin polymerization activity in the presence of a metal compound, particularly in the presence of water. Therefore, a late transition metal complex-based coordination polymerization catalyst is preferred.
- any one can be used as long as it has an olefin polymerization activity in the coexistence of water.
- Periodic Tables 8-10 iron, cobalt, nickel, ruthenium, Rhodium, palladium, osmium, iridium, and platinum are preferred, and among these,
- Nickel, palladium, and platinum of Group 10 are preferable, and nickel and palladium are particularly preferable because palladium is relatively stable even in water.
- Examples of the ligand in the late transition metal complex of the present invention include ligands containing nitrogen, oxygen, phosphorus, and sulfur, but are not particularly limited.
- ligands containing nitrogen, oxygen, phosphorus, and sulfur but are not particularly limited.
- ligands having two imine nitrogens are preferable from the viewpoint of simple synthesis.
- a species having a structure represented by the following general formula (1) or (2) is preferably used.
- the olefin monomer coordinates and inserts into this species, and the polymerization proceeds. It is generally called an active species.
- R 1 R 4 is each independently a hydrocarbon group having 1 to 4 carbon atoms.
- R 2 and R 3 are each independently a hydrogen atom or a methyl group.
- R 5 is a halogen atom, a hydrogen atom, or an organic group having 1 to 20 carbon atoms
- X is an organic group having a heteroatom capable of coordinating with M, and even if it is connected to R 5 Good, or X may not be present, L- is any anion.
- R and R 4 are each independently a hydrocarbon group having 1 to 4 carbon atoms.
- R 5 is a halogen atom, a hydrogen atom, or a carbon atom having 1 to 20 carbon atoms.
- X is an organic group having a heteroatom capable of coordinating to M, and may be connected to R 5 or may be absent. L-is any anion is there. ) .
- Molecules that can coordinate to M represented by X include getyl ether, acetone, methyl ethyl ketone, acetoaldehyde, acetic acid, ethyl acetate, water, ethanol, acetonitrile, tetrahydrofuran, dimethylformamide, and dimethyl sulfoxide.
- Examples include polar compounds such as sides and propylene carbonate.
- R 5 has a hetero atom, particularly a carbonyl oxygen such as an ester bond, the carbonyl oxygen may be coordinated as X. Further, it is known that, when polymerized with olefin, the olefin is coordinated.
- the anion represented by L— is formed together with a cation ( ⁇ +) by the reaction between a catalyst composed of an ⁇ -dimine-type ligand and a transition metal and a cocatalyst, but is not coordinated in a solvent. Any material can be used as long as it can form an ionic pair.
- R 2 and R 3 are preferably a hydrocarbon group, and particularly preferably a hydrogen atom, a methyl group, or an acenaphthene skeleton represented by the general formula (2) because of their simple synthesis and high activity.
- Ar is preferably an aromatic group having a substituent, for example, 2,6-dimethylphenyl, 2,6-diisopropylphenyl and the like.
- auxiliary ligand (R 5 ) in the active species obtained from the late transition metal complex of the present invention a hydrocarbon group, a halogen group or a hydrogen group is preferable.
- the cation (Q +) force of the catalyst which will be described later. Halogen, etc. is extracted from the metal-halogen bond or metal-hydrogen bond or hydrogen-carbon bond of the catalyst to form a salt, while the catalyst forms an active species. This is because a cation (M +) having a metal-carbon bond, metal-halogen bond or metal-hydrogen bond is generated, and it is necessary to form a non-coordinating ion pair with the anion (L_) of the promoter. .
- R 5 a methyl group, black port group, and a bromo group or hydrogen group, especially preferable because methyl group or a black hole group, the synthesis is simple. It is to be noted that insertion of olefin into the M + -halogen bond is harder than that of the M + -carbon bond (or hydrogen bond), and therefore, particularly preferred R 5 is a methyl group.
- R 5 may be an organic group having an ester bond having a carbonyl oxygen capable of coordinating to M, for example, a group obtained from methyl butyrate.
- the promoter can be represented by Q + L-.
- Q include Ag, Li, Na, K, and ⁇ . Ag is preferable because the halogen extraction reaction is easily completed, and Na and K are preferable because they are inexpensive.
- PF 6 , As F 6 , S b F 6 , (R f S 0 2 ) 2 CH, (R f S 0 2 ) 3 C, (R f S 0 2 ) 2 N, and R f SO 3 are polar compounds PF 6 , As F 6 , and Sb F 6 are particularly preferred in that they are easy to synthesize and easily available industrially. From the high activity, BF 4 , B (C 6 F 5 ) 4 , B (C 6 H 3 (CF 3 ) 2 ) 4 , especially B (C 6 F 5 ) 4 , B (C 6 H 3 (CF 3 ) 2 ) 4 is preferred.
- R f is a hydrocarbon group containing a plurality of fluorine groups.
- R f examples include, but are not limited to, CF 3 , C 2 F 5 , C 4 F 9 , C 8 F 17 , and C 6 F 5 . Some may be combined.
- the molar ratio of the late transition metal complex-based catalyst co-catalyst is 1 / 0.1 to 110, preferably 1 / 0.5-1 / 2, and particularly preferably 10.75. ⁇ 1 / 1.25.
- the olefin monomer used in the present invention is not particularly limited as long as it is an olefin having 2 to 20 carbon atoms.
- ⁇ -olefins having 10 or less carbon atoms are preferable from the viewpoint of high polymerization activity, and examples thereof include ethylene, propylene, 1-butene, 11-hexene, and 11-otene. These olefin monomers may be used alone or in combination of two or more.
- the amount of the olefin monomer used is not limited, the molar ratio of the olefin monomer / active species (the smaller amount of the catalyst or cocatalyst) is 10 to 10 9 , and more preferably 10 to 10 mol. 0-1 0 7, particularly preferably 1 0 0 0-1 0 5. If the molar ratio is too small, only a polymer having a small molecular weight will be obtained, and if it is too large, the yield of polymer to monomer tends to be low.
- the metal compound used in the present invention is not particularly limited, but may be sodium, potassium, beryllium, magnesium, canolecum, stonium, titanium, titanium, molybdenum, iron, zinc, aluminum, It preferably contains at least one metal selected from the group consisting of gallium, silicon, tin, lead, and antimony; oxides, hydroxides, carbonates, sulfates, silicates, nitrides, titanates , Zirconate, borate, sulfide, carbide, and boric acid.
- Specific examples include silica, alumina, zinc oxide, titanium oxide, oxidized ruthenium, magnesium oxide, iron oxide, tin oxide, antimony oxide, beryllium oxide, calcium hydroxide, magnesium hydroxide, aluminum hydroxide, and basic oxides.
- Examples thereof include tin zirconate, aluminum borate, molybdenum sulfide, silicon carbide, and zinc borate.
- Magnesium hydroxide and silica are particularly preferable because they can be obtained in a state of being dispersed in water.
- a clay compound can be used as the metal compound used in the present invention.
- the clay compound as used herein refers to a clay, a clay mineral, or an ion-exchange layered compound, and is not particularly limited.
- Clay is an aggregate of fine silicate minerals. Clay minerals are hydrous silicates that are the main component of clay. These may be not only natural products but also artificial synthetic products.
- An ion-exchange layered compound has a crystal structure in which planes formed by ionic bonds, etc., are stacked in parallel with weak bonding force It is a compound whose contained ions are exchangeable.
- Some clays and clay minerals are ion-exchangeable layered compounds.
- Specific examples include phyllokeic acids (filokeic acid, phyllokeate) as clay minerals.
- the bilokeates include the smectites (montmorillonite, savonite, hectolite), the mica (ilite, sericite), and the vermiculites, even if they form a mixed layer.
- smectites montmorillonite, savonite, hectolite
- the mica ilite, sericite
- vermiculites even if they form a mixed layer.
- Fluorotetrasilicate mica, labonite, smecton and the like are also included.
- Clay minerals that are not ion-exchangeable layered compounds include bentonite, Kibushi clay, Gairome clay, sepiolite, palygorskite, alofen, imogolite and the like. Clay minerals and ion-exchange layered compounds are preferred, and montmorillonite is particularly preferred.
- the shape of the metal compound used in the present invention is not particularly limited, but is preferably spherical.
- the size of the particles There is no particular limitation on the size of the particles.
- silica which is a preferred example of the present invention, the average particle size is 5 to 100 nm, preferably 30 to 150 nm.
- magnesium hydroxide the average particle size is 50 to 100 nm, and preferably 300 to 150 nm. These particles may be prepared in a state of being dispersed in water, or the prepared particles may be dispersed in water.
- colloidal silica is preferable, and these colloidal silicas can be prepared and used by a sol-gel method, but commercially available products such as Nissan Chemical's Snowtex grades may be used. .
- colloidal silica is silicon dioxide, but it may contain alumina or sodium aluminate as a minor component, and inorganic bases such as sodium hydroxide, potassium hydroxide, lithium hydroxide, and ammonia as stabilizers.
- inorganic bases such as sodium hydroxide, potassium hydroxide, lithium hydroxide, and ammonia as stabilizers.
- An organic base such as tetramethylammonium may be contained.
- the modified particles in the present invention refer to particles obtained by introducing active sites capable of coordination polymerization into the above-mentioned metal compound particles.
- One specific example is the reaction with a metal compound in the molecule.
- compound (A) a compound having a possible functional group and a coordinatively polymerizable carbon-carbon double bond
- A coordinatively polymerizable carbon-carbon double bond
- Double bonds can be introduced.
- the carbon-carbon double bond capable of coordination polymerization is a component for enabling graft copolymerization between the modified particles of the metal compound and the olefin monomer.
- the carbon-carbon double bond capable of coordination polymerization is preferably a carbon-carbon double bond at an aryl terminal ( ⁇ -olefin structure), a cyclic olefinic terminal, a styryl terminal, or a (meth) acrylic terminal.
- aryl terminal ⁇ -olefin structure
- cyclic olefinic terminal a styryl terminal
- a (meth) acrylic terminal Those having an acrylic terminal and an aryl terminal are preferred in that coordination polymerization is easy, that is, graft copolymerization with an olefin monomer is easy.
- the compound ( ⁇ ) is preferably an acid, particularly a carboxylic acid.
- an acid particularly a carboxylic acid.
- Specific examples include acrylic acid, vinyl acetic acid, 4-pentenoic acid, 2,2-dimethinole-1-pentenoic acid, pendecylenic acid, 5-norbornene_2,3,1-dicarboxylic acid, and acrylic acid, Vinyl acetic acid, 4-pentenoic acid and pendecylenic acid are particularly preferred.
- silica which is a preferred example of the present invention, it is preferable to use a hydrolyzable alkoxy group or a silanol group bonded to a silicon atom or a group having a cyclic siloxane structure as a group for reacting with silanol of the silica.
- the compound ( ⁇ ) include, for example, 3-acryloxypropylmethyldimethoxysilane, 3-acryloxypropyltrimethoxysilane, 3-acryloxypropylmethylethoxyethoxysilane, 3-attaryloxypropyltriethoxysilane, and the like.
- 1,3,5,7-tetrakis atalyloxypropyl
- 1,3,5,7-tetramethylcyclotetrasiloxane 1,3,5-tris
- organosiloxanes such as 1,3,5-trimethylcyclotrisiloxane, and among them, 3-attaryloxypropylmethyldimethoxysilane is particularly preferred in that it has good reactivity.
- These compounds (II) may be used alone or in combination of two or more.
- the functional group capable of reacting with the clay compound is preferably an ammonium ion, and is preferably an ammonium ion or a phosphonium ion.
- Numium ions are preferred, and ammonium ions are preferred.
- Specific examples of the compound (A) include, but are not particularly limited to, compounds of the following formulas.
- These compounds (A) may be used alone or in combination of two or more.
- the reaction of compound (A) may be carried out at any pH as long as the condition of dispersion in water does not cause gelation. If necessary, the reaction system may be heated, or an auxiliary solvent such as methanol, ethanol, isopropanol, or acetone may be added.
- an auxiliary solvent such as methanol, ethanol, isopropanol, or acetone may be added.
- a dispersion stabilizer for preventing aggregation may be present at the time of the reaction of the compound (A) and the subsequent polymerization.
- the amount of the dispersion stabilizer used should be not less than the amount that maintains the dispersion stability and not more than the concentration at which micelles are formed in the medium (at the start of polymerization). Is desirable.
- the dispersion stabilizer preferably used in the present invention is an anionic surfactant or a polymer dispersion stabilizer.
- Higher alkyl ether sulfate esters such as higher alcohol sulfate sodium salt, lauryl alcohol, ethylene oxide adduct sulfate, etc., sulfated oil, sulfated fatty acid ester, sulfated fatty acid, sulfated olefin, Sodium salts of alkylbenzenesulfonates such as sodium dodecylbenzenesulfonate, alkylarylsulfonates, formalin condensed naphthalenesulfonates, ⁇ -olefin sulphonates, oleyl ( ⁇ -methyl) tauride Alkyl ( ⁇ -methyl) taurides, di-sulfosuccinate di-2-ethylhexyl ester sodium salt, etc., sulfosuccinate diester surfactants, higher alcohol phosphate monoester disodium salt, higher alcohol phosphate diester mononatrium salt And phosphate esters
- composition ratio of the metal compound to the compound ( ⁇ ) is preferably from 0.01 to 50 parts by weight, more preferably from 0.1 to 10 parts by weight, especially from 0.5 to 5 parts by weight, per 100 parts by weight of the metal compound. Parts by weight are preferred.
- the graft copolymer of modified particles of metal compound and olefin-based monomer of the present invention is prepared by dissolving in water in an aqueous medium in the presence of a dispersion stabilizer. It is obtained by reacting the dispersed metal compound particles with the compound (II), and then graft copolymerizing an olefin monomer in the presence of a late transition metal complex-based coordination polymerization catalyst.
- the modified particles of the metal compound of the present invention may be used as they are in the reaction with the olefin monomer, or may be subjected to operations such as dilution, concentration, heat treatment, and aging treatment as necessary. May be used after addition, or after adjusting the components by adding additives such as an emulsifier, an antifreezing agent, a stabilizer and a pH adjuster.
- the metal compound particles are preferably used as a latex having a solid content of 1 to 50% by weight, more preferably a latex having a solid content of 2 to 40% by weight, particularly 5 to 30% by weight. Is preferred. If the solid content is too high, latex particles will aggregate and the reaction tends to be non-uniform. If the solid content is too low, the amount of the entire reaction solution increases, resulting in poor kettle efficiency.
- the polymerization of the polyolefin-based graft copolymer of the present invention is carried out by emulsification or a system similar thereto.
- a coordination polymerization catalyst and an olefin monomer may be uniformly dispersed in a latex of modified particles of a metal compound (hereinafter, modified particles) and reacted.
- modified particles a metal compound
- the olefin monomer used is a gas at the reaction temperature, it may be condensed or coagulated at a low temperature and charged as a liquid or solid, and then heated to the reaction temperature or charged to be charged as a liquid or gas. But it's fine.
- the modified particles, the olefin monomer, and the coordination polymerization catalyst may be charged in the reaction vessel all at once or may be partially charged and then the rest may be added continuously or intermittently. Further, it may be charged in any state in which it is mixed with water and an emulsifier to form an emulsion.
- the ratio of the modified particles to the olefin monomer can be arbitrarily set, but the olefin monomer is preferably 1 to 100 parts by weight, more preferably 5 to 50 parts by weight, based on 100 parts by weight of the modified particles to be used. It is preferable to use 10 parts by weight, especially 10 to 40 parts by weight.
- the olefin monomer is a volatile liquid or gas having a boiling point of 100 ° C or less
- use the olefin monomer in a large excess stop the reaction when the above-mentioned preferable amount is polymerized, and heat or release the pressure. Can remove unreacted monomers.
- an organic solvent may be added to promote the reaction between the olefin monomer and the coordination polymerization catalyst.
- the solvent is not particularly limited, but is preferably an aliphatic or aromatic solvent, which may be halogenated. Examples include tonoleene, ethynolebenzene, xylene, benzene, dichlorobenzene, pentane, hexane, heptane, octane, cyclohexane, methinolecyclohexane. , Ethylcyclohexane, butyl chloride, methylene chloride and chloroform.
- a polar solvent such as tetrahydrofuran, dioxane, getyl ether, acetate, ethanol ⁇ , methanole, methinoleethynoleketone, methinoleisobutynoleketone, and ethyl acetate may be used.
- the solvent is relatively low in water solubility and the catalyst is soluble in the solvent.
- particularly preferred such solvents include methylene chloride, chloroform, butyl chloride, and benzene. . These solvents may be used alone or in combination of two or more.
- the total amount of the solvent used is preferably 30% by volume or less, more preferably 10% by volume or less, based on the total volume of the reaction solution.
- the amount is preferably 150 parts by weight or less, more preferably 50 parts by weight or less, based on 100 parts by weight of the modified particles used.
- the amount of the solvent used is 30% by volume or less based on the total volume of the reaction solution, or 150% by weight or less with respect to 100% by weight of the modified particles, the latex particles are stable, and This is preferable because a uniform reaction can be ensured.
- the production of the polyolefin-based graft copolymer of the present invention is carried out at ⁇ 30 to 200 ° C., preferably 0 to 100 ° C.
- the polymerization time is not particularly limited, but is usually from 10 minutes to 100 hours
- the reaction pressure is not particularly limited, but is from normal pressure to 1 OMPa.
- the temperature and pressure may be kept constant from the start to the end of the reaction, or may be changed continuously or stepwise during the reaction.
- the olefin monomer used is a gas such as ethylene or propylene
- the pressure may gradually decrease as the monomer is consumed by the polymerization reaction, but the pressure may be changed and the reaction may be performed as it is, and the monomer is supplied.
- the polyolefin-based graft copolymer may contain free non-grafted polyolefin in some cases, but preferably contains substantially no free polyolefin, and can be achieved by adjusting various polymerization conditions. .
- free polyolefin can be reduced by increasing the content of a carbon-carbon double bond capable of coordination polymerization in the modified particles or by adding a solvent during the polymerization of the olefin monomer.
- the polyolefin-based graft copolymer of the present invention is usually obtained as a latex.
- the particle size of the latex is obtained according to the particle size of the modified particles used and the amount of reacted olefin monomer. Depending on the reaction conditions, some of the latex particles may be aggregated and precipitated, or free polyolefin may be precipitated as a by-product. However, it is preferable to carry out the reaction under conditions free of such precipitates.
- the polyolefin-based graft copolymer obtained as described above or a latex containing the same may be obtained, for example, by spray-drying the latex, or by using chloride, magnesium chloride, calcium sulfate, magnesium sulfate, magnesium sulfate, aluminum sulfate, or formic acid. Aggregation by an electrolyte such as calcium, or through such a precipitation process, followed by treatment such as washing, dehydration (desolvation), and drying to obtain a powder, resin mass, or rubber made of polyolefin graft copolymer It can be collected as a lump.
- a resin in a water-containing (solvent-containing) state obtained by processing the dried product of the graft copolymer of the present invention into a pellet by using an extruder or a Banbury mixer, or by subjecting precipitation to dehydration (desolvation). It can be processed into a pellet and collected by passing it through a compression dehydrator.
- the resin composition of the present invention can be produced by blending the graft copolymer of the present invention with a polyolefin resin.
- the polyolefin-based graft copolymer of the present invention contains a polyolefin component, it exhibits good dispersibility even in a low-polarity polyolefin resin.
- silica can contain various functions, particularly rigidity, scratch resistance, heat resistance, dimensional stability, electrical properties, polarity, etc., because of its components.
- particularly preferred example of magnesium hydroxide may include various components, especially rigidity, scratch resistance, heat resistance, dimensional stability, flame retardancy, polarity, etc., because of its component.
- Polyolefin resins include polypropylene, polyethylene, ethylene propylene rubber, ethylene propylene diene rubber, ethylene octene rubber, polymethylpentene, ethylene cyclic olefin copolymer, ethylene-butyl acetate copolymer, ethylene daricidyl methacrylate copolymer, An example is an ethylene methyl methacrylate copolymer.
- polyethylene and polypropylene are more preferable.
- polypropylene is particularly preferred in that the polyolefin graft copolymer of the present invention has good dispersibility.
- the blending ratio of the polyolefin resin and the polyolefin-based graft copolymer may be appropriately determined so that the physical properties of the molded article are well-balanced, but in order to obtain sufficient physical properties, the amount of the polyolefin-based graft copolymer is required. Is 0.1 part or more, preferably 5 parts or more, with respect to 100 parts of the polyolefin resin. In order to maintain the characteristics of the polyolefin resin, the amount of the polyolefin graft copolymer is adjusted to 100 parts by weight of the polyolefin resin. The amount is 500 parts or less, preferably 100 parts or less, more preferably 500 parts or less with respect to 0 parts.
- graft copolymer of the present invention can be blended with various thermoplastic resins or thermosetting resins, and it is also possible to blend these resins in addition to the above-mentioned polyolefin resin.
- thermoplastic resin examples include, in addition to polyolefin resin, commonly used resins such as polybutyl chloride, polystyrene, polymethyl methacrylate, methyl methacrylate-styrene copolymer, styrene-acrylonitrile copolymer, and styrene-styrene.
- polyolefin resin commonly used resins such as polybutyl chloride, polystyrene, polymethyl methacrylate, methyl methacrylate-styrene copolymer, styrene-acrylonitrile copolymer, and styrene-styrene.
- Vinyl polymers such as atarilonitrile-N-phenylmaleimide copolymer, ⁇ -methylstyrene-acrylonitrile copolymer, polyester, polycarbonate, polyamide, polyphenylene ether-polystyrene composite, polyacetal, polyether ether ketone, poly An engineering plastic such as ether sulfone is preferably exemplified.
- thermosetting resin generally used resins, for example, phenol resin, urea resin, melamine resin, unsaturated polyester resin, epoxy resin and the like are preferably exemplified. These thermoplastic resins or thermosetting resins may be used alone or in combination of two or more.
- the mixing ratio of the thermoplastic resin or the thermosetting resin and the polyolefin-based graft copolymer may be appropriately determined so that the physical properties of the molded article can be obtained in a well-balanced manner.However, in order to obtain sufficient physical properties, the polyolefin-based graft copolymer is used.
- the amount of the graft copolymer is at least 0.1 part, preferably at least 5 parts with respect to 100 parts of the thermoplastic resin or the thermosetting resin.
- Polyole to maintain The amount of the fin-based graft copolymer is 500 parts or less, preferably 100 parts or less, and more preferably 50 parts or less, based on 100 parts of the thermoplastic resin or the thermosetting resin.
- composition comprising the polyolefin-based graft copolymer of the present invention may contain a general additive known in the plastic and rubber industries, for example, a plasticizer, a stabilizer, a lubricant, an ultraviolet absorber, an antioxidant, Compounding agents such as flame retardants, flame retardant aids, pigments, glass fibers, fillers, and polymer processing aids can be included.
- a method used for blending a usual thermoplastic resin can be used.
- a thermoplastic resin and the polyolefin-based graft copolymer of the present invention can be used.
- the additive component by melt-kneading using a heating kneader, for example, a single-screw extruder, a twin-screw extruder, a roll, a Banbury mixer, a Brabender, a kneader, a high-shear mixer, or the like.
- the order of kneading the components is not particularly limited, and can be determined according to the equipment used, the workability, or the physical properties of the obtained thermoplastic resin composition.
- thermoplastic resin When the thermoplastic resin is produced by an emulsion polymerization method, the thermoplastic resin and the polyolefin-based graft copolymer are all blended in a latex (emulsion) state, and then coprecipitated. (Coaggregation) can also be obtained.
- the polyolefin-based graft copolymer composition thus obtained can be molded by a method generally used for molding a thermoplastic resin composition, such as an injection molding method, an extrusion molding method, a blow molding method, or a calendar molding method. Molding method.
- colloidal silica 6 As (manufactured by Nissan Chemical Industries, SNOWTEX ZL, specific gravity 1. 296, S I_ ⁇ 2 content 40.6%, average particle size 1 1 5 nm) 1 2. 5 m L ( colloidal silica 58 g) was added dropwise with stirring. The pH of the system was adjusted to about 7 by adding a small amount of a 1 N aqueous sulfuric acid solution.
- the mixture was degassed under reduced pressure with an aspirator and replaced with nitrogen.
- the temperature of the oil bath was set at 75 to 80 ° C, 0.15 g of 3-acryloxypropyltrimethoxysilane (manufactured by Shin-Etsu Silicone) was added, and the mixture was stirred for 4 hours, left to room temperature and cooled.
- the polyolefin graft copolymer of the present invention was obtained.
- NMR observation it was confirmed that polyhexene was present in the polyolefin-based graft copolymer and its hexane-insoluble matter.
- Example 2 20 g of polypropylene resin (F 232 DC manufactured by Grand Polymer) and 4 g of the polyolefin-based graft copolymer obtained in Example 1 were subjected to laboplastomill (manufactured by Toyo Seiki Co., Ltd., capacity: 30 cc) at 200 ° C for 100 r. After kneading at 10 pm for 10 minutes, the obtained resin composition is pressed (conditions: 200 ° C, no pressure, 10 min ⁇ 200 ° C, 50 kgf / cm 2 , 10 min ⁇ room temperature, 50 kgf / cm 5 min) to prepare a sheet having a thickness of about 0.7 mm, and the tensile properties and wettability were measured. Table 1 shows the results.
- Example 2 In the same manner as in Example 2, the tensile properties and wettability of the polypropylene resin alone were measured. It can be seen that Example 2 has higher elastic modulus and higher wettability. The results are shown in Table 1.
- Example 2 An aqueous solution of calcium chloride was added to the same colloidal silica used in Example 1 to cause precipitation, followed by filtration and washing with a Kiriyama funnel. After drying under reduced pressure, silica was obtained. After kneading 20 g of the polypropylene resin and 4 g of the obtained silica at 200 ° C. and 100 rpm for 10 minutes using a Labo Plastomill, the obtained resin composition is pressed to obtain a sheet having a thickness of about 0.7 mm. Was prepared, and the tensile properties and wettability were measured. Table 1 shows the results Shown in It can be seen that Example 2 shows higher elongation.
- the temperature of the oil bath was set at 75 to 80 ° C, 3-acryloxypropyltrimethoxysilane (manufactured by Shin-Etsu Silicone) lg was added, and the mixture was stirred for 4 hours, left to room temperature, and cooled.
- To 5 Oml (about 5.2 g as colloidal silica) of the obtained silica-modified particles add sodium dodecyl sulfate (sodium lauryl sulfate, manufactured by Wako Pure Chemical Industries) lg, degas under reduced pressure with an aspirator, and replace with nitrogen Was done.
- Dry methylene chloride (Wako Pure Chemical) l mL added catalytic active species solution obtained in Synthesis Example 1 1.
- Precipitates were partially observed. Among them, an aqueous calcium chloride solution was added to the latex to precipitate the precipitate, which was filtered and washed with a Kiriyama funnel. After drying under reduced pressure, the polyolefin graft copolymer of the present invention was obtained. In addition, NMR observation confirmed that polyhexene was present in the polyolefin-based graft copolymer.
- a polypropylene resin (F232DC manufactured by Grand Polymer) 2 Og and 4 g of the polyolefin-based graft copolymer obtained in Example 3 were mixed at a temperature of 200 ° C. and 100 After kneading for 10 minutes at r pm, —
- the obtained resin composition was pressed to form a sheet having a thickness of about 0.7 mm, and the tensile properties and the wettability were measured. The results are shown in Table 1. It can be seen that the elongation is higher than that of Example 2.
- Example 6 shows higher elongation. The results are shown in Table 1.
- the polyolefin-based graft copolymer of the present invention can be kneaded with a polyolefin resin and used as a polyolefin-based composite.
- This polyolefin-based composite has features such as high tensile elongation, high tensile modulus (hardness), high polarity (wetability), and high flame retardancy, and is made of polyolefin-based engineering plastic, polar polyolefin or It is industrially useful as a flame-retardant polyolefin.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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EP04773424A EP1671985A1 (en) | 2003-10-06 | 2004-09-17 | Polyolefin graft copolymer |
JP2005514412A JPWO2005033159A1 (ja) | 2003-10-06 | 2004-09-17 | ポリオレフィン系グラフト共重合体 |
US10/574,704 US20070123656A1 (en) | 2003-10-06 | 2004-09-17 | Polyolefin graft copolymer |
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JP2003-346503 | 2003-10-06 | ||
JP2003346503 | 2003-10-06 | ||
JP2003-414733 | 2003-12-12 | ||
JP2003414733 | 2003-12-12 | ||
JP2004068485 | 2004-03-11 | ||
JP2004-068485 | 2004-03-11 |
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US (1) | US20070123656A1 (ja) |
EP (1) | EP1671985A1 (ja) |
JP (1) | JPWO2005033159A1 (ja) |
WO (1) | WO2005033159A1 (ja) |
Cited By (1)
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WO2007052804A1 (ja) * | 2005-11-07 | 2007-05-10 | Kaneka Corporation | ポリオレフィン系共重合体、その製造方法および熱可塑性樹脂組成物 |
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EP1943301A4 (en) * | 2005-11-04 | 2010-01-13 | Ls Corp | SYNTHESIS OF MDH POLYMER HYBRID PARTICLES |
CN104893129B (zh) * | 2015-05-26 | 2018-01-19 | 徐岩军 | 一种包装板用聚苯乙烯复合材料的制备方法 |
CN110467693B (zh) * | 2018-05-11 | 2021-11-30 | 中国石油天然气股份有限公司 | 双核桥联α-二亚胺催化剂及其制备方法和应用 |
CN112745360B (zh) * | 2019-10-31 | 2022-10-21 | 中国石油化工股份有限公司 | 一种胺基亚胺类配合物及其制备方法和应用 |
CN112745362B (zh) * | 2019-10-31 | 2022-10-21 | 中国石油化工股份有限公司 | 二亚胺金属配合物及其制备方法和应用 |
JP2024516214A (ja) * | 2021-04-27 | 2024-04-12 | モメンティブ パフォーマンス マテリアルズ インコーポレイテッド | ポリオレフィン組成物およびその作成方法 |
Citations (3)
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WO2002035555A1 (fr) * | 2000-10-23 | 2002-05-02 | Sekisui Chemical Co., Ltd. | Particule enrobee |
JP2003073407A (ja) * | 2001-08-29 | 2003-03-12 | Pacific Corp | 紫外線散乱用無機/高分子複合粒子及びその製造方法 |
JP2003226706A (ja) * | 2002-02-07 | 2003-08-12 | Mitsubishi Chemicals Corp | 有機・無機ハイブリッド共重合体及びその製造方法 |
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US2401348A (en) * | 1942-03-17 | 1946-06-04 | Research Corp | Molding composition, molded product, and method of making |
JP2666030B2 (ja) * | 1992-09-21 | 1997-10-22 | 昭和高分子株式会社 | 水性シリコーン系グラフト共重合体エマルジョンの製造方法 |
US5942461A (en) * | 1995-11-06 | 1999-08-24 | Minnesota Mining And Manufacturing Company | Polymerizable compositions comprising alpha-olefin hydrocarbon monomers and methods of use therefor |
US6136896A (en) * | 1998-12-21 | 2000-10-24 | Dow Corning Corporation | Graft copolymers containing polydiorganosiloxane and polybutylene grafts |
-
2004
- 2004-09-17 EP EP04773424A patent/EP1671985A1/en not_active Withdrawn
- 2004-09-17 JP JP2005514412A patent/JPWO2005033159A1/ja active Pending
- 2004-09-17 WO PCT/JP2004/014045 patent/WO2005033159A1/ja not_active Application Discontinuation
- 2004-09-17 US US10/574,704 patent/US20070123656A1/en not_active Abandoned
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WO2002035555A1 (fr) * | 2000-10-23 | 2002-05-02 | Sekisui Chemical Co., Ltd. | Particule enrobee |
JP2003073407A (ja) * | 2001-08-29 | 2003-03-12 | Pacific Corp | 紫外線散乱用無機/高分子複合粒子及びその製造方法 |
JP2003226706A (ja) * | 2002-02-07 | 2003-08-12 | Mitsubishi Chemicals Corp | 有機・無機ハイブリッド共重合体及びその製造方法 |
Cited By (1)
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WO2007052804A1 (ja) * | 2005-11-07 | 2007-05-10 | Kaneka Corporation | ポリオレフィン系共重合体、その製造方法および熱可塑性樹脂組成物 |
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EP1671985A1 (en) | 2006-06-21 |
JPWO2005033159A1 (ja) | 2006-12-14 |
US20070123656A1 (en) | 2007-05-31 |
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