WO1995013320A1 - Composition de resine polyolefinique - Google Patents
Composition de resine polyolefinique Download PDFInfo
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- WO1995013320A1 WO1995013320A1 PCT/JP1994/001906 JP9401906W WO9513320A1 WO 1995013320 A1 WO1995013320 A1 WO 1995013320A1 JP 9401906 W JP9401906 W JP 9401906W WO 9513320 A1 WO9513320 A1 WO 9513320A1
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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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- 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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
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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
- 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
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
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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
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/53—Core-shell polymer
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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
- C08L2312/00—Crosslinking
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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
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
- C08L33/08—Homopolymers or copolymers of acrylic acid esters
Definitions
- the present invention relates to a polyolefin resin composition. More specifically, it exhibits properties such as excellent transparency, workability, impact resistance, rigidity, and surface properties at the same time, and is suitable for use in the production of various molded articles.
- the present invention relates to a polyolefin-based resin composition.
- polyrefin has been widely used in various molded articles because it is inexpensive and has excellent physical properties.
- polypropylene has the drawback of low transparency and the low melt viscosity and low melt tension of the sheet. It has drawbacks in that it has poor moldability such as vacuum moldability (hereinafter referred to as thermoformability), calendar moldability, blow moldability, and foam moldability. Also, compared to polystyrene, polyvinyl chloride, ABS resin, etc., the rigidity and impact resistance at low temperatures are small, and the surface of gloss and hardness etc. It has drawbacks such as poor properties and applicability.
- nucleating agent in order to improve the transparency of the polypropylene, a nucleating agent has been conventionally used, but the effect of improving the transparency is not always required. It is not enough, and the effect of improving the workability and physical properties required at the same time is hardly seen.
- nucleating agent depending on the type of nucleating agent, there is a problem of odor during processing, and its use in food packaging and the like is particularly restricted. The fact is that they are.
- polyethylene and the like are mechanically mixed. Since the composition impairs transparency and the effect of improving the processability of the polyethylene is insufficient, a large amount of the polyethylene is required and is obtained. It has disadvantages such as reduced rigidity of the mixture.
- the modified polypropylene obtained by subjecting a vinyl monomer to suspension polymerization in an aqueous medium in the presence of the polypropylene particles is converted into a polypropylene. It has been proposed to improve the processability of polypropylene by adding it to the steel.
- a copolymer having a refractive index substantially matching the refractive index of the propylene polymer trunk can be formed on the propylene polymer trunk. It has been proposed to improve the transparency and bite resistance of polypropylene by polymerizing the monomer component to be polymerized. (Japanese Unexamined Patent Publication No. 5-65319), this proposal provides a modified polypropylene which can be used alone, and can be mixed with unmodified polypropylene. There have been no proposals to provide a modified polypropylene which can be used as an agent for improving transparency and processability.
- a polirefin such as a polypropylene
- Rubber components have been introduced by mechanical mixing or block copolymerization.
- this method does not significantly reduce the transparency and, at the same time, the control of the particle size that should be dispersed in the polyrefin. Due to the difficulty, the use efficiency of the rubber component is low, and the effect of improving the anti-mouth property is insufficient, and as a result, a large amount of the rubber component is required.
- the disadvantage is that the stiffness of the resulting mixture is reduced. Further, there is a disadvantage that the surface gloss is reduced due to the large particle size of the dispersed rubber component.
- the polyolefin is treated in the presence of a specific compatibilizer.
- a specific compatibilizer Japanese Unexamined Patent Publication (Kokai) No. 3-185037, US Pat. No. 4,997,884
- Japanese Unexamined Patent Publication (Kokai) No. 3-185037, US Pat. No. 4,997,884 Japanese Unexamined Patent Publication (Kokai) No. 3-185037, US Pat. No. 4,997,884
- the present invention is intended to provide a polymer that satisfies all of the properties such as processability, transparency, street resistance, rigidity and surface properties, and is suitable for use in the production of various molded articles. It is intended to provide an olefin resin composition.
- the present invention provides a polypropylene resin composition having excellent properties such as processability, transparency, impact resistance, rigidity, and surface properties. aimed to . Disclosure of the invention
- the present inventors have conducted intensive studies in view of the above-mentioned prior art, and as a result, have obtained a modified polymer obtained by polymerizing a specific vinyl monomer in the presence of a non-polar polyolefin.
- Lio-refin is more effective in improving the transparency of poly-refin and the processability such as the formability of the sheet, and this is used as a modifier.
- it may also be used, if desired, with a nucleating agent and (or) a specific core X-graft copolymer.
- the present invention relates to a method for producing a vinyl monomer (b) 1 in the presence of 100 parts by weight of a polyolefin (A) and 100 parts by weight of a non-polar polyolefin (a).
- Modified polyolefin (B) obtained by polymerizing up to 500 parts by weight, consisting of 0.1 to 100 parts by weight, and polyolefin (A) and Provided is a polyolefin resin composition in which the modified polyolefin (B) has a refractive index substantially equal to that of the modified polyolefin.
- the modified polyolefin (B) is based on 100 parts by weight of the non-polar polyolefin (a) and 100 parts by weight of the modified polyolefin (a). 1 to 500 parts by weight of the vinyl monomer (B) and 100 to 100 parts by weight of the vinyl monomer (b), 0.01 to 10 parts by weight of the radical polymerization initiator (c)
- Aqueous suspension containing an aqueous solution containing an organic solvent is prepared, and the vinyl monomer (b) is impregnated with the non-polar polyolefin (a). Is produced by polymerizing the vinyl monomer (b) by increasing the temperature.
- the polymerization in an aqueous suspension system is cost-effective, and the polymerization of the vinyl monomer (b) causes the non-polar polyolefin (a) particles to Since the domain of the bull-based polymer formed in this manner is fine, it is also advantageous from the viewpoint of transparency.
- the aqueous suspension may be heated under conditions in which the decomposition of the radical polymerization initiator (c) is not substantially reduced. This suppresses the progress of polymerization by forming the vinyl monomer (b) into dispersed particles independent of the polyolefin particles (a), thereby suppressing the progress of the vinyl monomer.
- a vinyl-based polymer formed from a vinyl-based monomer (b) contains a non-polar poly-olefin.
- the non-polar polyolefin (a) which forms a domain by being dispersed and contained in the particles of the olefin (a), and the vinyl monomer (b).
- Raft copolymers, non-graphed non-polar polyolefins (a) and non-graphed vinyl monomers (b ) But a graph copolymer greatly contributes to the improvement of workability.
- the polyolefin-based resin composition of the present invention further comprises a nucleating agent and a refractive index substantially equal to the refractive index of the polyolefin (A). It may contain at least one kind of core X-mode modifier that has a specific modulus.
- the non-polar polyolefin (a) is likely to cause the resulting modified polyolefin (B) to be easily dispersed in the polyolefin (A).
- a polyrefin having good compatibility with the polyrefin (A) is selected.
- the non-polar polyrefin (a) may be either a crystalline polyrefin or an amorphous polyrefin.
- Non-polar polyolefins (a) are generally poorly compatible with more polar polymers, for example, ethylene.
- At least one of ethylene, propylene, butylene, 4-methylpentene, and at least one of the following: Copolymers with other monomers are preferred.
- non-polar polyolefins include: For example, polypropyrene, high-density polyethylene, low-density polyethylene, linear low-density polyethylene, polybutene, polyphenylene Orrefin homopolymers such as sobutylene and polymethylpentene; ethylene-propylene copolymer, random copolymer, ethylene-propylene copolymer Random in any proportion of propylene, such as pyrene block copolymers, to ethylene and (or) 1-butene Or block copolymer; ethylene containing less than 10% by weight of the benzene component in any proportion of ethylene and propylene A propylene-triene terpolymer; a mixture of cyclopentene and ethylene and / or propylene Cyclic polyolefins such as polymers; Ethylene-Propylene Gum; Ethylene-Vinyl acetate vinyl copolymer; Ethylene-
- non-polar polyrefin (a) can be used alone or as a mixture of two or more.
- the nonpolar polar fin (a) may be such that the methanol flow index is less than lO g Z lO, preferably 5 g / 10 Minutes or less, and more preferably l.Og / min or less is preferred in terms of improvement of additive properties.
- the melt flow index was measured at a load of 2.16 kg in accordance with ASTMD 1238, and for example, The value of the porosity is 230 ° C, and that of the ethylene porosity is 190. This is the value in C.
- the shape of the non-polar polyolefin (a) is not particularly limited, and may be, for example, a pellet (for example, having an average particle size of about 1 to 5 mm). Pellets), powders (for example, powders having an average particle size of about 200 to 1000 / ⁇ ), aqueous latex, aqueous dissolution, etc. It is.
- the vinyl monomer (b) has a large copolymerizability with the non-polar polyolefin (a) in order to increase the efficiency of the formation of the graphite copolymer. Things are preferred.
- the refractive index of the obtained modified polyolefin (B), particularly, the vinyl-based monomer (b) is not substantially equal to the refractive index of the polyolefin (A).
- the vinyl monomer (b) has a refractive index of the resulting modified polyolefin (B) and a refractive index of the polyolefin (A).
- the refractive index of the non-polar polyolefin (a) and the refractive index of the polymer of the vinyl monomer (b) are not substantially equal to each other. Is selected.
- the refractive index is substantially equal when the difference in the refractive index is 0.02 or less, but 0.01 or less, and further when the refractive index is 0 to 0.005. I like it.
- the index of refraction here is defined in the Polymer Handbook 3rd Edition (John Wiley & Sons. Inc.). 1989), etc., and the refractive index of the copolymer was calculated in proportion to the weight fraction of each monomer. The value (weighted average of the refractive index of the homopolymer of the monomers constituting the copolymer and the weight fraction of the monomers) is used.
- vinyl monomer (b) examples include, for example, aromatic vinyl compounds such as styrene and non-methyl styrene; Methyl methacrylate, methyl methacrylate, n-methacrylic acid n-butyl, methacrylic acid i-butyl, t-methacrylic acid t Alkyl groups such as monobutyl, methacrylic acid 2—ethylhexyl and methacrylic acid stearyl have 1 to 22 carbon atoms.
- aromatic vinyl compounds such as styrene and non-methyl styrene
- Alkyl groups such as monobutyl, methacrylic acid 2—ethylhexyl and methacrylic acid stearyl have 1 to 22 carbon atom
- Alkyl acrylate ester methyl acrylate, ethyl acrylate, acrylic acid n-butyl, acrylic acid i-alkyl, acrylic acid t-alkyl, acrylic acid 2—alkyl groups such as ethylhexyl, acrylic acid stearyl, etc.
- One type for example, maleic anhydride, methacrylic acid, acrylic acid, methacrylonitrile amide, acrylamide, methacrylic acid
- Acid anhydride groups carboxyl groups, such as ethyl acrylates, glycidyl methacrylates, glycidyl acrylates, etc. , Amino, Hydroxyl, Epoxy, etc. (Vinyl monomers having a functional group, and methacrylic acid esters containing a phenol group).
- the vinyl monomer (b) from the viewpoints of transparency, versatility, cost, and the like, there are generally used aromatic vinyl compounds and alkyl groups.
- Alkyl acrylate having 1 to 22 carbon atoms, and alkyl acrylate having 1 to 22 carbon atoms in the alkyl group At least one aromatic vinyl compound, at least one selected from the group consisting of stearyl and unsaturated nitrile compounds; Alkyl ester and at least one selected from the above-mentioned alkyl acrylates 80 to 100% by weight and at least one of them
- Other polymerizable vinyl-based monomers A monomer or a monomer mixture consisting of 20 to 0% by weight is used.
- the vinyl monomer (b) 1 to 50% by weight of an aromatic vinyl compound, preferably 10 to 40% by weight, and the number of carbon atoms of the alkyl group
- Alkyl acrylates having 1 to 22 alkyl acrylates and / or alkyl acrylates having 1 to 22 carbon atoms in the alkyl group A monomer mixture consisting of 99 to 50% by weight, preferably 90 to 60% by weight of an alkyl ester, or a monomer having an alkyl group having 1 to 22 carbon atoms.
- Alkyl acrylates and a small number selected from alkyl acrylates having 1 to 22 carbon atoms in the alkyl group At least one kind of acryl-based monomer is suitably used.
- the modified polyolefin (B) has a high refractive index. It is useful if you want to adjust well.
- methacryloyl phenol benzoyl ester there are methyl methacrylate, methyl methacrylate, and methyl acrylate. Butyl and cyclohexamethacrylate are particularly preferred, and the refractive index of the modified polyolefin (B) is particularly favorable. This is useful if you want to adjust the value to a low level, and has a large effect of improving workability.
- alkyl acrylate examples include methyl acrylate, ethyl acrylate, n-butyl acrylate, and ethyl acrylate.
- Crylic acid 2-ethylhexyl is particularly preferred, and it is necessary to adjust the refractive index of the modified polyolefin (B) by lowering it. It is useful and has a large workability improvement effect.
- the butyl monomer (b) is used in an amount of 1 to 500 parts by weight, preferably 5 to 200 parts by weight, and more preferably 100 to 100 parts by weight of the non-polar polyolefin (a). Preferably it is used for 10 to 100 parts by weight. If the amount of the vinyl monomer (b) used is less than 1 part by weight, the amount of the produced graphite copolymer is small and the effect of improving the processability is insufficient. On the other hand, if the amount exceeds 500 parts by weight, polymerization mainly occurs between vinyl monomers, causing excessive aggregation and aggregation in the aqueous suspension during polymerization. Fusing, agglomeration, etc. will occur.
- a non-polar polyolefin (a) which is substantially in a molten state generates a radical opening start point.
- a modified polyolefin capable of more fully exhibiting the effect of improving workability when mixed with the polyolefin (A) described below. Is preferably oil-soluble and has a high hydrogen-absorbing property.
- radical polymerization initiator (c) include, for example, acetylethyl, succinic acid, succinic acid peroxide, and t-butyl.
- acetylethyl succinic acid
- succinic acid peroxide succinic acid peroxide
- t-butyl t-butyl.
- Benzolubao Xide (72.C) Benzolubao Xide
- t-butyl peroxymaleic acid 1-hydroxyl 1-hydrono.
- the radical polymerization initiator (c) is a vinyl monomer 0.01 to 10 parts by weight, preferably 1 to 10 parts by weight, and more preferably 1 to 5 parts by weight, per 100 parts by weight of the body (b). If the amount of the radical polymerization initiator (c) is less than 0.01 parts by weight, the polymerization of the vinyl monomer (b) and the non-polar poly Since the generation of a radical starting point for the olefin (a) is insufficient, the modified polyolefin (B) having a sufficient effect of improving workability is obtained. ) Tends to be difficult, and if the amount exceeds 10 parts by weight, the amount of the radical polymerization initiator (c) is excessive. The resulting polyolefin resin composition prepared by using the modified polyolefin (B) decomposes poorly, for example, when thermoforming. This can lead to instability.
- the radical polymerization initiator (c) remaining in the obtained modified polyolefin (B) can be obtained by using the modified polyolefin (B). Since the resulting polyolefin resin composition may cause decomposition and degradation during thermoforming, the amount of the initiator after the polymerization may be reduced before the polymerization is started.
- the polymerization conditions are such that they are not more than 20% by weight, preferably not more than 15% by weight, more preferably not more than 10% by weight, particularly preferably not more than 5% by weight. It is desirable to adjust. Further, in order to reduce the amount of the residual initiator, the modified polyolefin (B) after polymerization may be reheated.
- the reheating is preferably carried out under such conditions that the modified polyrefin does not deteriorate, for example, the polymerization temperature. Perform at a lower temperature.
- heating in the presence of oxygen may accelerate the deterioration of the modified polyolefin, so that, for example, no oxygen such as in the presence of nitrogen exists. It is better to reheat under ambient conditions
- the amount of initiator remaining in the modified polyolefin is determined by, for example, dissolving the obtained modified polyolefin in a solvent such as xylene, This is added dropwise to the poor solvent of modified porphyrin such as hexan, and the filtrate obtained after concentration is concentrated to form a gas chromatograph. It can be measured by quantification.
- the non-polar polyolefin (a) the vinyl monomer (b) and the radical polymerization initiator ( c) is added to water and mixed to prepare an aqueous suspension.
- the polymerization is preferably carried out in a state in which the vinyl monomer (b) is impregnated in the polyolefin (a).
- the vinyl monomer (b) does not substantially polymerize, in other words, if desired, under conditions in which the decomposition of the initiator (c) does not substantially occur.
- the aqueous suspension may be heated at a low temperature. Such temperatures are usually between T-1 50 and T-1 10.
- T indicates the 10-hour half-life temperature of the radical polymerization initiator (c)
- the heating time for the impregnation depends on the type of non-polar polyolefin (a) and vinyl monomer (b) used, but usually 5 hours. Preferably it is less than or equal to the degree.
- the polymerization is started by raising the temperature of the aqueous suspension.
- the polymerization is preferably heated to a temperature above the temperature at which the crystalline portion of the non-polar polyolefin (a) substantially begins to melt. It is done.
- the temperature at which the crystalline portion of the non-polar polyolefin (a) substantially begins to melt depends on the DSC measurement method for the non-polar polyrefin (a). Melting start temperature and melting point in the melting curve obtained by raising the temperature from room temperature to complete melting in a nitrogen stream (40 mlZ) at a heating rate of 10 at Z minutes. (The temperature corresponding to the peak of the peak in the melting curve).
- the proportion of the non-crystalline portion in the non-polar polyrefin (a) is increased, and the excessively heating causes excessive cleavage and gelation of the polyrefin chain. Melting point soil 20 because it does not occur. C, preferably heating to a temperature of melting point ⁇ 10.
- the polymerization time varies depending on the type of nonpolar polyolefin (a) and vinyl monomer (b) used, but is usually about 0.5 to 10 hours. It is.
- the polymerization is preferably carried out under conditions that do not cause molecular chain scission.
- the weight average molecular weight of the graphite copolymer is at least 50%, preferably at least 65%, more preferably at least the weight average molecular weight of the nonpolar polyolefin (a) before polymerization. Preferably it is at least 80%.
- the molecular weight of the non-polar polyolefin (a) and the modified polyolefin may be measured, for example, by high-temperature GPC. Melt flow index It can be obtained from the estimation based on the cross value.
- the modified polyolefin In the production of the modified polyolefin, water, a suspending agent, an emulsifying agent, a dispersing agent, and other components may be appropriately used, and these types may be used.
- a suspending agent In the production of the modified polyolefin, water, a suspending agent, an emulsifying agent, a dispersing agent, and other components may be appropriately used, and these types may be used.
- a chain transfer agent such as n-dodecylmercaptan, which is commonly used, and p-benzene
- a polymerization inhibitor or polymerization inhibitor such as zokinone, 1,1-difluoro-2—picrylhydrazyl.
- the non-polar polyolefin (a) becomes The proportion of the non-crystalline portion in the ink (a) increases, and simultaneously with the polymerization of the vinyl monomers (b) forming a non-graphite vinyl polymer, In particular, the grafting of the vinyl monomer (b) to the non-crystalline portion of the non-polar polyolefin (a) is promoted. Polymerization at such temperatures is also preferred for microdispersing the vinyl polymer into the polyolefin particles.
- the size of the domain of the butyl polymer formed by being finely dispersed in the particles of the polyolefin (a) is usually in the range of about 0.01 to 10 m. However, from the viewpoint of the transparency of the obtained polyolefin resin composition, it is preferably 3 m or less, especially preferably 1 / m or less. According to the above-mentioned production method, it is possible to produce a modified polyolefin (B) containing a domain having a size of, for example, about 0.01 to 0.08 // m. Is also possible.
- the vinyl-based polymer forming the domain is mainly composed of a polymer that is not graphitized on the polyolefin (a), and depends on the solvent. Is extracted.
- the modified polyolefin (B) of the present invention is a vinyl-based monomer. It is characterized in that the polymer of body (b) contains a graphitized polyolefin. Part of the vinyl monomer (b) is polymerized in the polyrefin particles without being graphitized on the polyrefin (a), and becomes uniform. Since a small dispersed vinyl polymer domain is formed, the obtained modified polyolefin (B) is converted to a polyolefin (B). When mixed with (A), the vinyl polymer is evenly and finely dispersed in the polyolefin (A), but the homogeneous and fine dispersion of the vinyl polymer is processed.
- the effect of the vinyl olefin-grafted polyolefin on the onset of the workability improvement effect was more than the effect on the onset of the workability improvement effect.
- the size is large. Therefore, it is preferable that the amount of ungrafted vinyl polymer produced is small.
- the free vinyl polymer that does not graph the polyolefin (a) is independent of the polyolefin particles from the viewpoint of transparency. It is preferable that the particles are generated in a finely dispersed state in the polyrefin particles, rather than generated by the method.
- the reaction product obtained by the aqueous suspension polymerization method is generally a graphit copolymer, a non-polar non-polar polyolefin, or a graphitic copolymer. It contains a polymer of vinyl monomer (b) which has not been used.
- the primary structure of the graft copolymer in these components can be deduced from the fractionation and analysis of the components in the reaction product.
- the reaction product is dissolved in a hydrocarbon solvent such as xylene by heating, and if necessary, a good solvent for a vinyl polymer such as methylethyl ketone is added. And then cooling the solution to form a mixture of the graphitic copolymer and the non-graphitized polyolefin. Graph it It can be separated into precipitates and dissolved substances in solution, respectively, with no vinyl polymer.
- a hydrocarbon solvent such as xylene
- the degree of branching of the graft copolymer can be determined.
- (molecular weight of the branch of the raft copolymer) (molecular weight of the non-graphitized vinyl polymer).
- a mixture of the fractionated graphite copolymer and ungrafted polyolefin was purified and measured by high-temperature GPC. The molecular weight was defined as the molecular weight of the graphite copolymer.
- the polyolefin resin composition of the present invention is obtained by mixing a polyolefin (A) and a modified polyolefin (B).
- a modified polyolefin (B) having a refractive index substantially equal to the refractive index of the polyolefin (A) was converted to a polyolefin (A).
- the modified polyolefin (B) is, in fact, a vinyl monomer of the vinyl monomer (b) as described above.
- the weighted average of the refractive index of the homopolymer and the refractive index of the non-polar polyolefin (a) is the average value of the polyolefin ( A) and the refractive index It is obtained by selecting a vinyl monomer so that they are substantially equal, and by graft-polymerizing by the method described above.
- polystyrene high-density polyethylene
- low-polyolefin Density Polyethylene, Linear Low Density Polyethylene, Poly-1-butene, Polyisobutylene, Polymethylpentene, Polypropylene Random or block copolymers of ethylene and ethylene and (or) 1-butene in any ratio, ethylene and propylene Ethylene-Propylene-Jen ternary copolymers, cyclopolymers with less than 10% by weight of the gen component in any proportion of len Cyclic polyolefins, such as copolymers of pentagenes with ethylene or propylene, ethylene or propylene And 50% by weight or less of vinyl acetate, alkyl methacrylate, alkyl acrylate, aromatic vinyl compounds, etc. Examples include random, block, or graphitic copolymers with vinyl compounds. These can be used alone or as a mixture of
- the present invention relates to a propylene (A) containing at least 50% by weight of propylene units, and at least 75% by weight of propylene units. It is particularly effective when a random copolymer with a polyolefin is used, particularly a random copolymer with ethylene.
- the refractive indices of typical polyolefins (A) are polypropylene (1.503), high-density polystyrene (1.545), and low-density polyolefin.
- the melt flow index is less than lO g Z IO minutes, preferably less than 5 g Z IO minutes, and Preferably, 2.5 g Z 10 minutes or less is preferred in terms of processability.
- the melt flow index was measured at a load of 2.16 kg in accordance with ASTM D1238, and for example, the emission system port the Rio les off fin Ri Ah with a value of at 230 e C, the d Chi Le emissions system port the Rio les off fin Ru Ah with a value of at 190 ° C.
- the modified olefin (B) is used in an amount of 0.1 to 100 parts by weight, preferably 0.1 to 20 parts by weight, based on 100 parts by weight of the olefin (A). Parts, more preferably from 0.1 to 10 parts by weight. If the amount of the modified polyolefin (B) is less than 0.1 part by weight, it is difficult to sufficiently exhibit the effect of improving the processability. If it exceeds 100 parts by weight, the versatility such as low cost is reduced.
- the polyolefin resin composition of the present invention may contain a nucleating agent for further improvement in transparency, surface properties, rigidity, etc.
- a core copolymer graft copolymer may be blended.
- nucleating agents include, for example, sodium benzoate, bisbenzylidenesolbitone, bis (p-methylbenzene) Ridden) Solbitol, bis (p-ethylbenzylidene) Solbitol, Sodium 2, 2—Methylenbis (4, 6 — Di — t One-butyl-phenyl) Phosphite etc. are created. These can be used alone or as a mixture of two or more.
- the nucleating agent is usually used in an amount of 0.01 to 2 parts by weight based on 100 parts by weight of the olefin resin composition. Also, the nucleating agent is It may be added to the non-polar polyolefin (a) and / or the modified polyolefin (B) in advance.
- the core-graft copolymer is a copolymer whose refractive index is substantially equal to that of the polyolefin (A).
- the shell-graft copolymer is selected and used.
- the core-graft copolymer used in the present invention comprises a core layer of a crosslinked elastic polymer and a graphite layer formed on the core layer as a shell layer. It is called a hard layer of polymerized vinyl monomer.
- the crosslinked elastic polymer those having a glass transition temperature of 25 ° C. or less are preferable.
- the polymer of the polymer when polymerized by itself is used as a monomer component used in the production of the core X-graft copolymer.
- the glass transition temperature is selected to be above 25 ° C.
- crosslinked rubber-like polymer examples include, for example, gen-based rubber, acryl-based rubber, olefin-based rubber, silicone rubber, and silicone rubber. Of other rubbery polymers are used, which may be used alone or as a mixture of two or more.
- the resulting core-graft copolymer is readily compatible with the polyolefin (A) and the modified polyolefin (B) From this point of view, at least 50% by weight of a bridge gen rubber and / or an acrylic monomer component containing at least 50% by weight of a gen component is included.
- Crosslinked acrylic rubbers are preferred, and crosslinked acrylic rubbers are particularly preferred because of their excellent thermal stability.
- diene rubber examples include, for example, the diene compound 60 to: 100% by weight, especially 70 to 100% by weight, and the diene compound and Copolymerizable vinyl compound 0 to 40 Jen-based rubber, etc., consisting of 0% to 30% by weight, especially 0 to 30% by weight.
- Jenic compounds include, for example, butadiene, isoprene, and black mouth planner, which were used alone. Can be used as a mixture of two or more. Butadiene is preferred in terms of compatibility, workability, street resistance, surface finish, and cost.
- the vinyl compound capable of co-polymerization with the above-mentioned diene compound is exemplified as the above-mentioned vinyl monomer (b), for example.
- vinyl compounds having a reactive functional group such as a base are required. These can be used alone or as a mixture of two or more.
- a typical example of the aforementioned acrylic rubber is, for example, an alkyl acrylate having an alkyl group having 2 to 22 carbon atoms. 60 to 100% by weight of the terelite, especially 65 to 100% by weight of the terephthalate, and other resins that can be co-polymerized with the alkyl acrylate ester. Examples include acrylonitrile-based rubber, which is composed of 0 to 40% by weight of a nickle compound and 0 to 35% by weight.
- the other vinyl compound which can be copolymerized with the alkyl acrylate ester is, for example, the above-mentioned vinyl monomer (b).
- Reactive functional groups such as methyl oleate, unsaturated nitrile compounds, acid anhydride groups, carboxyl groups, amino groups, hydroxy groups, etc.
- vinyl compounds that have a single bond or two or more It is possible to use a mixture of the above.
- examples of the above-mentioned rubber-based rubbers include ethyl-propylene-gens: gums, butyr-goms, and the like.
- the silicon rubber mentioned above is, for example, a polymethylsiloxan rubber.
- cross-linking rubber-like polymers such as the aforesaid Jen rubbers, Acryl rubbers, Orrefin rubbers, Silicon rubbers, etc.
- a cross-linked rubbery polymer can be obtained.
- the method of the bridge for example, the method of self-construction by butadiene, divinyl benzene, 1,3—butane
- Methods using multifunctional cross-linking agents such as all-methacrylate, arylmethacrylate, arylaryl, and aryl
- the rubbery polymer to be used can be used. It can be selected and adopted as appropriate according to the type of.
- a method of using a multifunctional bridging agent and a graphitizing agent together or a method of using a graphitizing agent is used. It is preferable to adopt a certain method in that, when cross-linking occurs, a graph active site is generated at the same time as the graph-polymerization.
- the bridge rubber-like polymer has a cross-linked gel component.
- it is adjusted so as to be 50% by weight or more, and finally 60% by weight or more.
- the vinyl monomer component for forming the shell layer of the core-shell graft copolymer may be, for example, the vinyl monomer alone as described above.
- Vinyl compounds having a reactive functional group such as an anhydride group, a carboxyl group, an amino group, a hydroxy group, etc. are exposed. They can be used alone or as a mixture of two or more.
- Other vinyl compounds having a content of from 0 to 50% by weight are preferred because of a decrease in polymerizability and a difficulty in cost-up.
- the ratio of the bridge rubber-like polymer and vinyl monomer used in the production of the core shell graft copolymer is the bridge rubber. 40 to 95 parts by weight of vinyl monomer to 5 to 60 parts by weight, preferably 40 to 90 parts by weight of rubber-like rubber. The amount of the vinyl monomer is 10 to 60 parts by weight based on the weight of the vinyl monomer.
- the core shell / graft copolymer can be polymerized by ordinary radical polymerization, for example, by the suspension polymerization method.
- a polymerization method such as an emulsion polymerization method can be used, but among these methods, the emulsification polymerization is considered from the viewpoint of control of the particle diameter, the particle structure, and the like. The law is preferred.
- the obtained core graphite is obtained by adding an acid, a salt, a flocculant, etc. at the time of polymerization.
- the particles of the polymer can be enlarged.
- the average particle size of the core copolymer is less than 3 / m, especially less than 2.5 m. It is preferred because it improves the surface properties of the in-based resin composition.
- a core X-graft copolymer having a refractive index substantially equal to that of a polyolefin (A) is used.
- the crosslinked rubbery polymer that is the core component, and the monomer of the graphitic component that becomes the shell are coresolecule graphite.
- the copolymer is synthesized by selecting such that the refractive index of the copolymer is equal to that of the polyolefin (A).
- core-graft copolymers which have a refractive index equal to that of polypropylene
- a refractive index equal to that of polypropylene
- 50 parts by weight of rubber and 50 parts by weight of methyl methacrylate are copolymerized by grafting, 70% by weight of n-butyl acrylate, styrene 70% by weight of a cross-linked acrylic rubber obtained by emulsion polymerization of a monomer component consisting of 30% by weight and 1% by weight of methacrylic acid
- Graphite copolymerization of a monomer component consisting of 27 parts by weight of methyl oleate and 3 parts by weight of styrene is mentioned as a typical example.
- the mixing ratio of the core-shell graft copolymer is about 0.01 to 50% by weight with respect to the obtained polyolefin resin composition. It is advisable to mix them together. If the content is less than 0.01% by weight, the effect of improving the surface properties, workability and street resistance is not sufficient, and if it exceeds 50% by weight, the inherent heat resistance and rigidity of the polyrefin are not obtained. Which properties impair.
- the method for producing the polyrefin-based resin composition of the present invention is not particularly limited, and examples thereof include ordinary methods such as an extrusion mixing method and a roll mixing method.
- the modified polyolefin (A) and the modified polyolefin (B) can be used, if necessary, in combination with a nucleating agent and a corel graphite. by mixing the copolymer, etc. preparative co that Ki out and this shall be the port the Rio les off fin system ⁇ composition c
- the polyolefin-based resin composition of the present invention is used, if necessary, for example, as a stabilizer, a lubricant, and a conventional polyvinyl chloride-based resin. It is possible to add known additives such as a core-shell type processability improver.
- stabilizers include, for example, Pentaerythrich Lutetrax [3— (3,5—ge-t-pichi-ru-41-hydroxifene) propionate], tri-ethylene Glycol service [3-(3-t 1-petroleum 5-methyl-4-hydroxyvinyl) propionate] ⁇ Knol stabilizer; Tris (Monononylvinyl) Phosphite, Tris (2,4—J-butylvinyl) Phosphite and other phosphorus-based stabilizers; diourylthiodipropionate and other zeolite-based stabilizers, etc. They can be used alone or as a mixture of two or more.
- the amount of the stabilizer is usually about 0.01 to 3 parts by weight, preferably 0.05 to 2 parts by weight, based on 100 parts by weight of the polyolefin (A). It is preferred that the
- Typical examples of lubricants are saturated or unsaturated fatty acids such as, for example, raurilic acid, palmitic acid, oleic acid, stearic acid, etc. Sodium, calcium, magnesium, and salts with other metals, etc., alone or in combination of two or more.
- the above can be mixed and used.
- the amount of the lubricant to be mixed is usually about 0.1 to 3 parts by weight, and most preferably about 0.1 to 2 parts by weight, per 100 parts by weight of the polyolefin (A). Is preferred.
- the polyolefin-based resin composition of the present invention exhibits greatly improved transparency, workability, impact resistance, rigidity, surface properties, and the like. Therefore, it is difficult to use the conventional olefin resin composition from the olefin resin composition of the present invention. Including the difficult molding method, it is possible to produce useful molded articles by various molding methods.
- the components used in the polyrefin-based resin composition of the present invention include a calendar molding method, an extrusion molding method, a thermoforming method, a spray molding method, a blow molding method, a foam molding method, and the like. .
- the polyolefin resin composition of the present invention can be formed into a film or sheet by calendering or extruding the resin composition.
- the shaped body can be obtained.
- by subjecting the film or sheet-like molded body to thermoforming at a temperature suitable for the used polyolefin resin composition The thermoformed body can be obtained.
- the pellets obtained by extruding the composition are subjected to extrusion molding or blow molding to obtain the respective pellets.
- An injection molded article or a hollow molded article can be provided.
- a foaming agent is added to the polyolefin-based resin composition of the present invention, and foaming is performed by using, for example, an extruder. The foam can be obtained.
- the obtained particles are washed with water to remove residual monomers, catalyst, calcium phosphate, and emulsifier, and then dried and modified polyrefin (B-1). ).
- the resulting modified polyolefin (B-1) was white granular (average particle size 3 mm) and had a polymerization conversion of 90%.
- the conversion refers to the ratio of the vinyl monomer (b) converted into a polymer out of the total weight of the vinyl monomer (b). This conversion is measured by measuring the total weight of the obtained high quality polyolefin (B-1) and using the non-polar random polymer The weight of the propylene particles was reduced, and the obtained value was calculated as the weight of the vinyl monomer (b) converted to a polymer. .
- the calculated refractive index of the modified polyolefin (B-1) is 1.504, and the calculated glass transition temperature of the graphite chain is 30 ° C.
- a part of the obtained modified polyolefin (B-1) was dissolved in 17 times the amount of xylene at 120 ° C, and allowed to cool at room temperature for 2 hours.
- the analysis was conducted by On the other hand, the content of vinyl-based polymer branches in the modified polyolefin (B-1) was about 10%.
- Mw weight average molecular weight
- Production example 2 Production of modified polyolefin (B-2)
- non-polar low-density polyethylene particles (trade name: Rexlon F102, Nishiishi, Nippon Petrochemical Co., Ltd., DSC melting started) Temperature 60 ° C. DSC Melting point 102 e C, MI 0.25, Average particle size 3 mm) (hereinafter also referred to as LDPE) 700 parts, n-acrylic acid 261 parts, styrene 39 parts , 15 parts of calcium phosphate, 6 parts of Latel PS (manufactured by Kao Corporation) and 3.6 parts of Jt-butyl alcohol as a milk agent The mixture was stirred and mixed to obtain an aqueous suspension. The aqueous suspension was stirred at 80 for 1 hour, and then heated and stirred at 105 for 5 hours to complete the polymerization.
- LDPE non-polar low-density polyethylene particles
- the obtained particles are washed with water to remove residual monomers, catalysts, calcium phosphate, and emulsifier, and then dried and modified polyrefin (B-2). ).
- the obtained modified polyolefin (B-2) was in the form of white granules (average particle size: 3 mm), and its conversion was 90%.
- a portion of the obtained modified polyolefin (B-2) is dissolved in 17 times the amount of xylene at 120, and allowed to cool at room temperature for 2 hours.
- Non-grafted vinyl polymer that is soluble And the mixture of a graphitic copolymer and non-graphitized LDPE, which are insoluble in xylene, are dried and weighed after drying. Then, the total amount of the graphite copolymer and the non-graphitized LDPE and the proportion of the non-graphitized vinyl polymer were measured. The weight ratio is about 77:23. From this value, the content of the vinyl-based polymer branches in the modified polyolefin (B-12) is about 10%. It was. The weight average molecular weight Mw of the branches of the graphite copolymer was 50,000 to 150,000.
- the calculated refractive index is 1.503.
- the size of the domain ranged from 0.05 to 0.1 yum.
- aqueous suspension was obtained by mixing 3.6 parts of a one-year-old kiss and stirring and mixing. Chi was the aqueous suspension was stirred for 1 hour at 60 e C, for 5 hours ⁇ to polymerization at 80 ° C in the al row Tsu name.
- the obtained particles are washed with water to remove residual monomers, catalysts, calcium phosphate, and emulsifier, and then dried and modified polyrefin (B-3). ).
- the modified polyolefin (B-13) was in the form of white granules (average particle size: 3 mm), and the conversion was 90%.
- Acrylic acid n Modified polyolefin obtained from 90 parts of butylene, 210 parts of styrene, 700 parts of ethylene-propylene rubber (B-3 ) Has a calculated refractive index of 1.503. The size of the domain was 0.1-0.2 / m.
- modified polyolefin (B-3) in the same manner as in Production Example 2, use a graphitic copolymer and non-graphitized EPR.
- the weight ratio was approximately 77:23.
- the content of vinyl polymer branches in the lioline (B-3) was about 10%.
- the weight average molecular weight Mw of the branch of the graphite copolymer was 50,000 to 100,000.
- aqueous suspension was obtained by stirring and mixing.
- the aqueous suspension was heated and stirred with 6 (TC for 1 hour, and further heated and stirred at 80 ° C for 5 hours to complete the polymerization.
- the obtained particles were washed with water and remained.
- the product was dried to obtain the modified polyolefin (B-4).
- the refine (B-4) was in the form of white granules (average particle size: 3 mm), and its transfer ratio was 90%.
- the weight ratio was approximately 77:23.
- the content of vinyl polymer branches in the lioline (B-4) was about 10%.
- the weight average molecular weight Mw of the branches of the graphite copolymer was from 100,000 to: 1500,000.
- Comparative Production Example 1 Production of Modified Polyolefin ( ⁇ '-1) Charged 5000 parts of pure water into a pressure-resistant sealed reaction vessel, and prepared non-polar random polypropylene particles (Production Example 700 parts, 300 parts of styrene, 15 parts of calcium phosphate, 6 parts of Latemul PS (manufactured by Kao Corporation) as an emulsifier. Then, 3.6 parts of t-butyruba 1-year-old kiss was mixed and stirred and mixed to obtain an aqueous suspension. Chi was the aqueous suspension is heated for 1 hour stirring at 100 e C, to complete the 5 hours stirring to polymerization at 141TC in further.
- the obtained particles are washed with water to remove residual monomers, catalysts, calcium phosphate, and emulsifier, and then dried to obtain a modified polyolefin ( ⁇ '-1). ).
- the modified polyolefin ( ⁇ '-1) was white and granular, and its conversion was 90%.
- the calculated refractive index of the modified polyolefin ( ⁇ '-1) obtained from 300 parts of styrene and 700 parts of random polypropylene is 1 It is 530.
- the size of the domain was 0.05 to 0.1 m ⁇
- the obtained modified polyolefin ( ⁇ '-1) was measured using IR in the same manner as in Production Example 1.
- the content of vinyl polymer branches in the indium ( ⁇ '-1) was about 12%.
- the weight average molecular weight Mw of the technique of the graphite copolymer was 150,000 to 250,000.
- a cryogenic rubber is available.
- methacrylic acid aryl was used as a crosslinker and a graphitizing agent.
- the average particle size of the obtained crosslinked acrylic rubber was 0.2 zm, and the crosslinked gel content was 85%.
- Monomer component 30 consisting of 27 parts of methyl methacrylate and 3 parts of styrene is added to 70 parts (solid content) of the crosslinked acrylic rubber latex. Part of the mixture, and the emulsion copolymerization is carried out to carry out a graph copolymerization.
- the resulting copolymer is a core graphite copolymer (hereinafter referred to as a graph copolymer (D)). ).
- Final conversion is 98%, particle size is 0.22m, refractive index is 1.503 (calculated value)
- the latex of the graphite copolymer (D) is salted out, dehydrated and dried to obtain a powder of the graphite copolymer (D) (average particle size: 180 / m2). ).
- the polyolefin (A), the modified polyolefin and the nucleating agent were mixed. Thereafter, the mixture was kneaded with a twin-screw extruder to obtain a pelletized PO composition.
- the polyolefin (A), the modified polyolefin and the graphite copolymer After mixing the combined (D), the mixture was kneaded with a twin-screw extruder to obtain a pelletized PO composition.
- PP in Table 1 is a polypropylene obtained by copolymerizing 3% of ethylene (trade name: NOIPOLOL B-230); Mitsui Petrochemical Industry Co., Ltd. ), Refractive index 1.500 (measured value) MI 0.5)
- LDPE low-density polystyrene (trade name: Saishi Lexlon F102, Nippon Petrochemical
- ERP is ethylene propylene rubber (trade name: EP07P, manufactured by Nihon Gosei Gum Co., Ltd.), and EVA is ethylene-acetic acid. Represents a vinyl copolymer (trade name: Everflex 260, manufactured by Mitsui Dupont Chemical Co., Ltd.).
- the P0 composition was roll-kneaded with 20 (TC for 3 minutes to prepare a roll sheet having a thickness of 1 mm.
- the obtained roll sheets were stacked on top of each other. Press molding at 200 ° C 30 kg / cm ⁇ x 10 minutes, then 50 kg Z cn ⁇ x 10 minutes at room temperature Then, a sheet with a thickness of 1.5 mm was obtained. A 100 mm square test piece was cut out from this sheet.
- the obtained test piece is clamped by a frame with a 76 mm square opening, and a metal object for measurement is attached to the frame leg by hanging down from the frame leg.
- the sheet fixed by the frame is heated in an oven at 190 ° C for 30 minutes, and the center of the sheet hangs down (drawdown) (mm) Was measured.
- test piece having a thickness of 1.0 mm and a square of 30 mm was prepared in the same manner as described above (workability), and the measurement was carried out in accordance with ASTM-D-103.
- T represents the total light transmittance.
- Impact resistance
- a 1Z4 inch thick test piece was prepared in the same manner as described in (Workability) above, and the notched Izod bite strength was measured according to ASTM-D256. did .
- a 1Z4 inch thick test piece was prepared in the same manner as described in (Workability) above, and the measurement was performed according to ASTM-D790.
- the PO composition is extruded at 230 ° C using a T-die extruder, width 300 mm, thickness 0
- the sheet that produced the 5 mm sheet The surface gloss was visually observed, and evaluated based on the following evaluation criteria.
- Example Polyolefin (A) Modified polyolefin (B) Coersiglar Grade Amount of nucleating agent
- the difference in refractive index between the polyolefin (A) and the modified polyolefin (B) is not substantially equal to 0.030. In that case, the transparency is inferior to that of the present invention.
- the core graft has a refractive index substantially equal to the refractive index of the polyrefin. It can be seen that when the polymer is blended, the street breaking resistance is further improved.
- random polypropylene particles (3% ethylene, 3% DSC, melting point of 80, 0 0 melting point of 146.7) were added to 5000 parts of pure water.
- (Refractive index: 1.503) (hereinafter referred to as PP) 700 parts, styrene 60 parts, methyl methacrylate 135 parts, Acrylic acid n-Putinole 105 parts, G-butyl-peroxide (10 hours half-life temperature 124 ° C) 3.6 parts, calcium phosphate 100 parts
- An aqueous suspension was obtained by mixing 6 parts of Latemul PS (manufactured by Kao Corporation) as an emulsifier and stirring and mixing.
- the obtained modified polypropylene (B-5) was in the form of white particles and had a refractive index (calculated value) of 1.503 and a conversion of 90%.
- the refractive index of the vinyl copolymer obtained from 135 parts of methyl methacrylate and 105 parts of n-butyl acrylate and 60 parts of styrene The calculated value is 1.502, and the glass transition temperature (calculated value) is 28 ° C.
- the size of the domain of such a copolymer in the modified polypropylene was 0.08 / m.
- composition was changed as shown in Table 3 except that the modified polypropylene (B-6) to (B-8) and ( ⁇ ') were prepared in the same manner as in Production Example 6. — 2)
- Table 3 shows the obtained modified properties along with the refractive index (calculated value) of the copolymer composed of the vinyl monomer (b) and the size of the domain. Shows the refractive index (calculated value) of polypropylene.
- BA acrylinoleic acid n-butyl, St: styrene 3 Modified polypropylene (parts) Component (b) Component (b) or modified poly
- Polyolefin monomer component (b) copolymer Refractive index of propylene number
- Propylene homopolymer (trade name: NODYPOL-1B—200, manufactured by Mitsui Petrochemical Co., Ltd.), melt flow at 230 ° C Box: 0.58 10 minutes, Refractive index: 1.503 (Listed in Polymer Handbook 3rd edition) (hereinafter referred to as PP) 100 parts of modified polypropylene (B — 5) One part was mixed, extruded and kneaded at 200 ° C and 100 rpm using a twin screw extruder (skew diameter: 44 mm, LZD: 30) to form a pellet.
- PP Polymer Handbook 3rd edition
- Example 1 Using the obtained pellets, a roll sheet, a test piece and a sheet were prepared in the same manner as in Example 1, and each physical property was obtained in the same manner as in Example 1. Was investigated.
- Example 13 the composition was changed as shown in Table 4 except that the resin composition was pelletized and the polyolefin resin composition was changed in the same manner as in Example 13. I got something.
- Table 4 shows the measurement results of the physical properties.
- L DPE in Table 4 is 190.
- the melt flown data in C represents low density polyethylene at 0.25 g Z 10 minutes.
- the modified polypropylene obtained in Production Examples 6 to 9 was blended into the polyolefins as in Examples 13 to 18. All of these are drawdowns, all of which have particularly low haze, are significantly improved in transparency, and are indicators of thermoforming, blow molding, etc. At the same time, it has a smaller surface area and improved workability, and at the same time, has a better surface gloss than the polyolefin alone.
- Example 15 or 16 bis ( ⁇ -methylbenzylidene) solbitol (trade name: Gelol DH) was used as the nucleating agent (C). And 0.5 parts of Shin Nippon Rika Co., Ltd.) were mixed with 100 parts of a polyolefin-based resin composition. Example 19) or in the same manner as in Example 16 (Example 20). Pellet rolled, roll sheets, test pieces and sheets using the pellets. Was prepared.
- Example 15 10 parts of the powder of the corel graphite copolymer (D) obtained in Production Example 5 was blended with 100 parts of the polyrefin (A). In addition, pellets were prepared in the same manner as in Example 15, and using the pellets, a lone sheet, a test piece, and a sheet were produced.
- the aqueous suspension was heated and stirred at 100 ° C for 1 hour, and then further heated to 14 (TC and heated for 5 hours to complete the polymerization.
- the obtained particles were washed with water,
- the dried, granular, modified polypropylenes (B-9) to (B-13) were obtained, and the calculated refractive indices of these modified polypropylenes were obtained. Is 1.503.
- the amount and the amount of the graphene of the vinyl polymer composed of the vinyl monomer are as follows. I examined it according to the method. Table 5 shows the results.
- a cooling tube was attached only Na scan off la scan copolymers charged into a reforming Po Li profile pin les emission resin composition
- Contact good beauty key sheet les emissions, 120 and heated to e C reforming Po Li profiles Pi les Was dissolved in xylene.
- the mixture is separated into precipitates and effluents, and the precipitates are dried to obtain a graphitic copolymer and non-graphitic polypropylene.
- the styrene was removed to obtain a butyl polymer.
- the infrared absorption spectrum of the obtained precipitate was measured by FT-IR (FT-IR 8100, manufactured by Shimadzu Corporation), and the polypropylene and vinyl were measured.
- the amount (parts) of the vinyl polymer graphitized with respect to 100 parts of propylene was determined from the absorption peak ratio with the polymer.
- the solution was added dropwise to hexane, which is a poor solvent for the modified polypropylene.
- the concentrate obtained is concentrated, and the obtained concentrate is concentrated and passed through a gas chromatograph (manufactured by Shimadzu Corporation, GC14A) to obtain a radical polymerization initiator (GC 14A).
- c) was quantified. From these results, the residual amount (g) of the radical polymerization initiator (c) per 330 g of the obtained modified polypropylene was determined.
- the residual ratio (% by weight) was determined from the residual amount of the radical polymerization initiator (c) determined in the above (3) and the blending amount of the radical polymerization initiator (c). .
- Production Example 11 as a crystalline random polypropylene particle, the melt at a DSC melting onset temperature of 60 eC , a DSC melting point of 144 ° C, and 230 ° C was used.
- the modified polypropylene was prepared in the same manner as in Production Example 11 except that particles having a toro index of 0.6 g Z 10 minutes and a weight average molecular weight of 640000 were used.
- Obtain pyrene (B-14) was The obtained modified polypropylene (B-14) was white and granular.
- the modified polypropylene (B-16) was obtained in the same manner as in Preparation Example 14, except that the heating and stirring time at 140 ° C was changed to 7 hours. .
- the obtained modified polypropylene (B-16) was in the form of white particles.
- the modified polypropylene (B-17) was obtained in the same manner as in Production Example 12, except that the heating and stirring time in TC was changed to 3 hours.
- the obtained modified polypropylene (B-17) was white and granular.
- the modified polypropylenes (B-9) to (B-17) obtained in Production Examples 10 to 18 are all vinyl polymers.
- the weight-average molecular weight of the graphite copolymer is 90% or more of the weight-average molecular weight of the crystalline polyolefin (a) used.
- the polypropylenes (B-18) to (B-19) obtained in Production Examples 19 to 20 are radically polymerized as shown in (B-18).
- the amount of the initiator (c) is small, the amount of the vinyl polymer having a low residual ratio of the initiator is small, and the amount of the graphite is small.
- the amount of the radical polymerization initiator (c) is large as in (B-19)
- the weight average molecular weight of the graphite copolymer is used to determine the crystallinity. Since the weight average molecular weight of the polyolefin (a) is considerably smaller than those of the polyolefins (a), these polypropylenes (B-18) to (B In (19), it is expected that the effect of improving workability will be small.
- Polypropylene (trade name: NOI POLY B-200, manufactured by Mitsui Petrochemical Co., Ltd. 230. Melt flow index at C: 0.5) g Z 10 minutes) (hereinafter referred to as PP) 100 parts of modified polypropylene (B-9) are dried and 2 parts of polyrefin resin The composition was obtained.
- Examples 22 to 32 and Comparative Example 12 A polyolefin resin composition was prepared in the same manner as in Example 22 except that the components shown in Table 6 were used. Table 6 shows the results.
- LDPE in Table 6 represents low-density polyethylene with a melt flow index of 0.210 minutes at 190 ° C.
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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DE69419497T DE69419497T2 (de) | 1993-11-12 | 1994-11-10 | Polyolefinharzmischung |
EP95900286A EP0679684B1 (en) | 1993-11-12 | 1994-11-10 | Polyolefin resin composition |
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
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JP28350293A JP3274922B2 (ja) | 1993-11-12 | 1993-11-12 | ポリオレフィン系樹脂組成物 |
JP5/283502 | 1993-11-12 | ||
JP5/286887 | 1993-11-16 | ||
JP5286887A JPH07138444A (ja) | 1993-11-16 | 1993-11-16 | 改質ポリオレフィン系樹脂組成物の製法およびそれからえられた改質ポリオレフィン系樹脂組成物、ならびにそれを含有してなるポリオレフィン系樹脂組成物 |
JP29821593A JPH07149843A (ja) | 1993-11-29 | 1993-11-29 | 改質ポリオレフィン系樹脂組成物の製法およびそれからえられた改質ポリオレフィン系樹脂組成物、ならびにそれを含有してなるポリオレフィン系樹脂組成物 |
JP5/298215 | 1993-11-29 | ||
JP6/35853 | 1994-03-07 | ||
JP3585394A JPH07242773A (ja) | 1994-03-07 | 1994-03-07 | ポリオレフィン系樹脂組成物 |
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US08481492 A-371-Of-International | 1995-07-11 | ||
US10/198,953 Continuation US20020198326A1 (en) | 1993-11-12 | 2002-07-22 | Polyolefin resin composition |
Publications (1)
Publication Number | Publication Date |
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WO1995013320A1 true WO1995013320A1 (fr) | 1995-05-18 |
Family
ID=27460162
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1994/001906 WO1995013320A1 (fr) | 1993-11-12 | 1994-11-10 | Composition de resine polyolefinique |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0679684B1 (ja) |
CN (1) | CN1068017C (ja) |
DE (1) | DE69419497T2 (ja) |
WO (1) | WO1995013320A1 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
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US7897689B2 (en) | 2004-03-17 | 2011-03-01 | Dow Global Technologies Inc. | Functionalized ethylene/α-olefin interpolymer compositions |
BRPI0508148B1 (pt) | 2004-03-17 | 2015-09-01 | Dow Global Technologies Inc | Interpolímero de etileno em multibloco, derivado reticulado e composição |
TWI388576B (zh) * | 2005-03-17 | 2013-03-11 | Dow Global Technologies Llc | 官能化的乙烯/α-烯烴異種共聚物組成物 |
JP5481250B2 (ja) * | 2010-03-26 | 2014-04-23 | 富士フイルム株式会社 | 複屈折パターンを有する物品 |
WO2015002858A1 (en) * | 2013-07-01 | 2015-01-08 | Dow Global Technologies Llc | Composite polymer composition |
BR112015031649B1 (pt) * | 2013-07-02 | 2021-09-08 | Dow Global Technologies Llc | Modificador de impacto de poliolefina/ (met) acrílico e método para preparar o mesmo |
EP3157996B1 (en) * | 2014-06-19 | 2020-02-12 | Dow Global Technologies LLC | Acrylic beads for enhancing thermicity of greenhouse films |
US9969834B2 (en) | 2015-08-25 | 2018-05-15 | Canon Kabushiki Kaisha | Wax dispersant for toner and toner |
JPWO2017170481A1 (ja) * | 2016-03-29 | 2018-11-08 | 積水化成品工業株式会社 | 改質ポリプロピレン系樹脂及び改質ポリプロピレン系樹脂の製造方法 |
CN111019048A (zh) * | 2019-12-20 | 2020-04-17 | 上海裕生企业发展有限公司 | 一种改性pe材料、改性pe材料插头以及插头的制备方法 |
Citations (2)
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JPH04214710A (ja) * | 1990-12-13 | 1992-08-05 | Mitsui Petrochem Ind Ltd | 変性非晶質共重合体ラテックス組成物およびその製造法 |
JPH05295044A (ja) * | 1992-04-17 | 1993-11-09 | Kanegafuchi Chem Ind Co Ltd | グラフト重合体含有樹脂組成物 |
Family Cites Families (10)
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JPS5853003B2 (ja) * | 1975-09-08 | 1983-11-26 | 三菱油化株式会社 | シンキジユウゴウタイリユウシノセイゾウホウ |
JPS5914061B2 (ja) * | 1976-01-20 | 1984-04-03 | 三菱油化株式会社 | 熱可塑性樹脂組成物 |
US4957974A (en) * | 1988-03-29 | 1990-09-18 | Rohm And Haas Company | Graft copolymers and blends thereof with polyolefins |
US4997884A (en) * | 1989-03-01 | 1991-03-05 | Rohm And Haas Company | Polyolefin compositions with improved impact strength |
FI85496C (sv) * | 1989-09-20 | 1992-04-27 | Neste Oy | En metod att framställa en polyolefin-vinylpolymerkomposit |
JP3039560B2 (ja) * | 1989-12-27 | 2000-05-08 | 日本石油化学株式会社 | 熱可塑性樹脂組成物およびその用途 |
TW254949B (ja) * | 1991-03-07 | 1995-08-21 | Himont Inc | |
EP0528600A1 (en) * | 1991-08-20 | 1993-02-24 | Rohm And Haas Company | Polymer blends |
EP0575809B1 (en) * | 1992-06-09 | 1997-02-19 | Kanegafuchi Kagaku Kogyo Kabushiki Kaisha | Polyolefin resin composition, process for the preparation thereof and molded article made thereof |
JP3372298B2 (ja) * | 1993-06-10 | 2003-01-27 | 鐘淵化学工業株式会社 | 改質ポリオレフィン系樹脂組成物およびそれを含有してなるポリオレフィン系樹脂組成物 |
-
1994
- 1994-11-10 DE DE69419497T patent/DE69419497T2/de not_active Expired - Fee Related
- 1994-11-10 EP EP95900286A patent/EP0679684B1/en not_active Expired - Lifetime
- 1994-11-10 CN CN 94190928 patent/CN1068017C/zh not_active Expired - Fee Related
- 1994-11-10 WO PCT/JP1994/001906 patent/WO1995013320A1/ja active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04214710A (ja) * | 1990-12-13 | 1992-08-05 | Mitsui Petrochem Ind Ltd | 変性非晶質共重合体ラテックス組成物およびその製造法 |
JPH05295044A (ja) * | 1992-04-17 | 1993-11-09 | Kanegafuchi Chem Ind Co Ltd | グラフト重合体含有樹脂組成物 |
Non-Patent Citations (1)
Title |
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See also references of EP0679684A4 * |
Also Published As
Publication number | Publication date |
---|---|
EP0679684A4 (en) | 1996-05-08 |
DE69419497T2 (de) | 1999-12-23 |
EP0679684A1 (en) | 1995-11-02 |
DE69419497D1 (de) | 1999-08-19 |
EP0679684B1 (en) | 1999-07-14 |
CN1116429A (zh) | 1996-02-07 |
CN1068017C (zh) | 2001-07-04 |
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