WO2003035751A1 - Composition de resine a base d'olefines cycliques resistante aux chocs et moulages - Google Patents
Composition de resine a base d'olefines cycliques resistante aux chocs et moulages Download PDFInfo
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- WO2003035751A1 WO2003035751A1 PCT/JP2002/010887 JP0210887W WO03035751A1 WO 2003035751 A1 WO2003035751 A1 WO 2003035751A1 JP 0210887 W JP0210887 W JP 0210887W WO 03035751 A1 WO03035751 A1 WO 03035751A1
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- cyclic olefin
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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
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
- C08L23/0823—Copolymers of ethene with aliphatic cyclic olefins
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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
- C08L45/00—Compositions of homopolymers or copolymers of compounds having no unsaturated aliphatic radicals in side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic or in a heterocyclic ring system; Compositions of derivatives of such polymers
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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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
- C08L23/0869—Acids or derivatives thereof
- C08L23/0884—Epoxide containing esters
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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
Definitions
- the present invention relates to a cyclic olefin resin, a modified cyclic olefin resin obtained by grafting an unsaturated carboxylic acid or an unsaturated carboxylic anhydride to the cyclic olefin resin, an olefin elastomer, and a modified polyolefin having an epoxy group. And a molded article thereof.
- the molded article of the cyclic olefin resin composition of the present invention can provide a molded article excellent in impact resistance, surface peel resistance, and the like.
- Cyclic olefin resin is an amorphous, thermoplastic olefin resin having a cyclic olefin skeleton in its main chain, and is transparent, low birefringent, heat resistant, lightweight, dimensionally stable, and has low water absorption. It has excellent properties such as excellent resistance, hydrolysis resistance, and chemical resistance, low dielectric constant, low dielectric loss, and does not contain environmentally hazardous substances.
- cyclic olefin resins are used in a wide range of applications, including optical applications such as optical discs, lenses, and light guide plates, as well as pharmaceutical-related equipment such as prefilled syringes, infusion containers and stopcocks, high-frequency electronic components, and packaging and containers for medicines and foods. Used.
- the cyclic olefin resin is inferior in impact resistance, and its application range is limited. Until now, efforts have been made to improve the impact resistance of cyclic olefin resin and expand its use.
- Japanese Unexamined Patent Publication No. 1-16332 / 36 proposes a high impact-resistant cyclic olefin resin composition in which an olefin elastomer is blended with a cyclic olefin resin.
- the olefin elastomer is very effective in improving the impact resistance, it has poor affinity with the cyclic olefin resin, and the surface of the molded article of the composition is peeled off. There are disadvantages that arise.
- Japanese Patent Application Laid-Open No. 1-2566448 proposes an impact-resistant cyclic olefin resin composition in which a styrene elastomer is blended with a cyclic olefin resin.
- Styrene-based elastomers have a high affinity for cyclic olefin-based resins, and thus molded products of the composition are unlikely to undergo surface peeling, but are less effective in improving impact resistance than olefin-based elastomers. Disclosure of the invention
- An object of the present invention is to provide a cyclic olefin resin composition for molded articles having excellent impact resistance, surface peel resistance, and the like.
- the cyclic olefin resin (A) is a modified cyclic olefin resin obtained by grafting an unsaturated sulfonic acid or an unsaturated carboxylic anhydride.
- the impact resistance is effectively improved by using a cyclic olefin resin composition in which the (B), the olefin-based elastomer (C), and the modified polyolefin (D) having an epoxy group have a specific composition.
- the (B), the olefin-based elastomer (C), and the modified polyolefin (D) having an epoxy group have a specific composition.
- the first invention provides a cyclic olefin resin (A),
- a modified cyclic olefin resin (B) obtained by grafting and / or copolymerizing an unsaturated carboxylic acid or an unsaturated carboxylic anhydride with the cyclic olefin resin (A);
- a modified polyolefin (D) having an epoxy group having an epoxy group
- the weight ratio of component A to component B AZB is 98/2 to 298,
- the weight ratio CZD of component C to component D is 98 Z2 to 2 Z98
- the ratio (A + B) / (C + D) of the total weight of component A and component B to the total weight of component C and component D is 95 to 5
- the second invention is the first invention in which the component C is a copolymer of ethylene and ⁇ -olefin. And a cyclic olefin resin composition described in (1).
- a third invention provides the cyclic olefin resin composition according to the first or second invention, wherein the component D is a copolymer of ethylene and glycidyl (meth) acrylate.
- the fourth invention is the cyclic cyclic olefin resin according to any one of the first to third inventions, wherein the component B is a modified cyclic olefin resin obtained by grafting (meth) acrylic acid or maleic anhydride to the cyclic olefin resin.
- the present invention provides an olefin resin composition.
- the fifth invention is directed to any one of the first to fourth inventions, wherein the cyclic olefin resin of component A and the cyclic olefin resin as a base before modification of component B are a copolymer of ethylene and cyclic olefin.
- the present invention provides a cyclic olefin resin composition as described above.
- a sixth invention provides a ring-shaped olefin obtained by subjecting the cyclic olefin resin composition according to any one of the first to fifth inventions to injection molding, compression molding, injection compression molding, extrusion molding or blow molding. Provide resin-based molded products.
- the cyclic olefin resin (A) (referred to as component A) is a polymer compound having a main chain composed of carbon-carbon bonds and having a cyclic hydrocarbon structure in at least a part of the main chain.
- This cyclic hydrocarbon structure is a compound having at least one olefinic double bond in the cyclic hydrocarbon structure, as represented by norpolene-tetracyclododecene.
- Cyclic olefin resin (A) can be obtained from its production process, depending on its production method, such as addition of cyclic olefin and hydrogenated product thereof (A 1), addition copolymer of cyclic olefin and a-olefin, or its hydrogenated product (A 2), Ring-opening of cyclic olefins) Polymers or their hydrogenated products (A3).
- Specific examples of the above-mentioned cyclic olefin include cyclopentene, cyclohexene, and cyclohexene.
- One-ring cyclic olefin such as cyclopentadiene, 1,3-cyclohexadiene;
- Bicyclo [2.2.1] hepta-2-ene (common name: norpolene), 5-methyl-bicyclo [2.2.1] hepter 2-ene, 5,5-dimethyl-bicyclo [2 2.1] Heptic 2-ene, 5-ethyl-bicyclo [2.2.1] Hepter 2-en, 5-butyl-cyclocyclo [2.2.1] hep-en-2-ene , 5-ethylidene-bicyclo [2.2.1] hepta-2-ene, 5-hexyl-bicyclo [2.2.1] heptan-2-ene, 5-octylbicyclo [ 2. 2.
- Dode force 3-ene also simply referred to as tetracyclododecene
- Dode force-3-ene 8-ethyltetracyclo [4.4.0. I 2 ' 5.
- I 7 ' 10 Dode force-3, 8-methylidenetetracyclo [4] . 4. 0. I 2. 5 ⁇ I 7 '10] dodecane force _ 3 E down, 8 E dust Den tetracyclo [4. 4. 0. I 2' 5 .
- ⁇ -olefins that are copolymerized with cyclic olefins include ethylene, propylene, 1-butene, 1-pentene, 1-hexene, 3-methyl-1-butene, 3-methyl-11-pentene, 4 -Methyl-1-pentene, 3-ethyl-1-hexene, 4-methyl-1-hexene, 4,4-dimethyl-1-pentene, 4,4-dimethyl-1-hexene, 3-ethyl-1-hexene, 4 1-Delene 1-Hexene, 1-octene, 1-decene, 1-dodecene, 1-tetradecene, 1-hexadecene, 1-year-old kutadecene, 1-eicosene, etc., having 2 to 20 carbon atoms, preferably 2 carbon atoms To 8 ethylene or ⁇ -olefin.
- a-olefins can be used alone or in combination of two or more.
- the method for polymerizing the cyclic olefin or the cyclic olefin and the ⁇ -olefin there is no particular limitation on the method for polymerizing the cyclic olefin or the cyclic olefin and the ⁇ -olefin, and the method for hydrogenating the obtained polymer is not particularly limited, and the hydrogenation can be carried out according to a known method.
- cyclic olefinic resins ( ⁇ ) addition copolymers of cyclic olefins and ⁇ -olefins or their hydrogenated products ( ⁇ 2) are a balance of properties and costs. And it is particularly preferable.
- Cyclic olefin resin is industrially available from Topas (manufactured by Ticona, Germany), Abel (manufactured by Mitsui Chemicals), Zeonex (manufactured by Nippon Zeon), Zeonor (manufactured by Nippon Zeon), and Aton (Nippon Synthetic Rubber) Commercially available products with a trade name such as
- the modified cyclic olefin resin (B) (referred to as component B) refers to one or a mixture of two or more of the above-mentioned cyclic olefin resin (A) and an unsaturated carboxylic acid or an unsaturated carboxylic anhydride. (Uc) is modified by grafting and / or copolymerization.
- the cyclic olefin resin (A) before modification used for the component B and the cyclic olefin resin B (A) as the component A may be the same or different.
- Unsaturated carboxylic acid or unsaturated carboxylic acid anhydride (uc) (referred to as component uc) used for the modification of component B has one or more hydroxyl groups or acid anhydride groups in the molecule and one An organic compound having the above ethylenically unsaturated bond.
- unsaturated carboxylic acids in component uc include: aliphatic unsaturated monocarboxylic acids such as (meth) acrylic acid and crotonic acid; aromatic unsaturated monocarboxylic acids such as cinnamic acid; maleic acid, fumaric acid, Aliphatic unsaturated dicarboxylic acids such as itaconic acid and citraconic acid; monoesters of these aliphatic unsaturated dicarboxylic acids with aliphatic alcohols having 1 to 10 carbon atoms, for example, monomethyl maleate, monoethyl maleate, maleate Monoesters of maleic acid such as monobutyl butyrate, monohexyl maleate, monooctyl maleate, and mono-2-ethylhexyl maleate, and monoesters of fumaric acid corresponding thereto are exemplified.
- aliphatic unsaturated monocarboxylic acids such as (meth) acrylic acid and crotonic acid
- unsaturated carboxylic acids include (meth) acrylic acid, maleic acid, monoalkyl maleate and the like.
- unsaturated carboxylic anhydrides in component uc include maleic anhydride, itaconic anhydride, citraconic anhydride, hymic anhydride, and the like. Acids are preferred.
- the above components uc can be used alone or in combination of two or more.
- Modification of the cyclic olefin resin is achieved by reacting the component A with the component uc in the presence of a radical generator, and bonding the component uc to the component A (grafting).
- the modified olefin resin (B) is obtained by copolymerizing the unsaturated carboxylic acid or unsaturated carboxylic anhydride (uc) with the cyclic olefin. ) May be obtained.
- the radical generator is a compound having a function as a polymerization initiator that generates free radicals and starts polymerization of a polymerizable compound, and an organic peroxide is suitably used.
- examples of the radical generator include t-butyl hydroperoxide, p-menthane hydroperoxide, cumene hydroperoxide, diisopropylbenzene hydroperoxide, 2,5-dimethylhexane-2,5-dihydroperoxide and the like.
- the graft reaction can be carried out by kneading the component A, the component uc, and the radical generator in a molten state, or by mixing and heating in a solution dissolved in an appropriate solvent.
- the method of mixing in a molten state is preferable because of high productivity.
- a conventional kneading machine for example, an extruder, a Brabender, a kneader, a Pan-Paris mixer, a roll mill, and the like can be used.
- a closed-type device such as an extruder, a niche and the like is preferable.
- the kneading temperature can be selected in a range from the melting temperature to the decomposition temperature of the component A to be used, and is, for example, a temperature 30 to 200 higher than the glass transition temperature (T g) of the component A.
- the kneading time is, for example, about 20 seconds to 1 hour, preferably about 30 seconds to 30 minutes, and often about 30 seconds to 10 minutes.
- the amount of component uc used for denaturation depends on its type, but it is generally 0.1 to 20 parts by weight, preferably 0.5 to 1 part per 100 parts by weight of component A which is a base resin. 0 parts by weight. If the use amount of the component uc is too small, desired physical properties of the composition of the present invention, for example, prevention of peeling cannot be achieved, which is not preferable. If the amount is too large, the amount of unreacted substances contained in the modified cyclic olefin resin (B) becomes too large, and various adverse effects on the composition, for example, exudation of unreacted substances, decrease in mechanical strength, malodor during molding. Undesirably, such as occurs.
- the amount of the radical generator used depends on the type of the component A, the component uc, and the radical generator used, but is generally about 0.01 to 5 parts by weight per 100 parts by weight of the total of the component A and the component uc, Preferably it is 0.1 to 2 parts by weight. If the amount of the radical generator is too small, the efficiency of the graft reaction is low, and the amount of the carboxylic acid or acid anhydride not bonded to the cyclic olefin resin is undesirably large.
- the number average molecular weight of the modified cyclic olefin resin (B) is from 100,000 to 100,000, preferably from 10,000 to 100,000.
- the olefin elastomer (C) (referred to as component C) according to the present invention is a soft polymer which is composed of carbon and hydrogen atoms and has no aromatic ring.
- component C a soft polymer which is composed of carbon and hydrogen atoms and has no aromatic ring.
- component C one-year olefin copolymers of ethylene, propylene, 1-butene, 1-octene, etc.
- gen-based polymers such as butadiene and isoprene, and copolymers of Q! -Olefin and gen.
- ⁇ -olefin copolymer is preferable because it has no heat-resistant stability because it has no unsaturated bond in the molecule.
- the 0! -Olefin copolymer include an ethylene-propylene copolymer, an ethylene-butene copolymer, and an ethylene-octene copolymer.
- the hardness of the olefin-based elastomer (C) is less than 95, preferably less than 85, Shore hardness.
- the modified polyolefin having an epoxy group according to the present invention (D) (referred to as D component) is a polymer having a main chain composed of carbon-carbon bonds, having no aromatic ring in the main chain, and having an epoxy group in a side chain thereof. It is a polymer. Specific examples thereof include a copolymer of an unsaturated epoxy compound (ue) and ⁇ -olefin, or a modified polyolefin obtained by grafting an unsaturated epoxy compound (ue) to polyolefin.
- An unsaturated epoxy compound (ue) (referred to as component ue) is an organic compound having at least one ethylenically unsaturated bond and at least one epoxy group in the molecule.
- the unsaturated epoxy compound (ue) include unsaturated glycidyl ethers such as aryl glycidyl ether and chalcone glycidyl ether; glycidyl (meth) acrylate, vinyl benzoic acid daricidyl ester, aryl benzoic acid daricidyl ester, and gay glycidyl ester.
- Dalicidyl or epoxy esters such as glycidyl cinnamate, glycidyl cinnamylidene acetate, glycidyl dimerate, ester of epoxidized stearyl alcohol and (meth) acrylic acid; epoxidized such as epoxy hexene and limonenoxide Unsaturated chain-like or cyclic olefins and the like.
- a glycidyl ether type or dalicidyl ester type epoxy compound having a (meth) acryloyl group is preferable. Examples of Q!
- -Olefins copolymerized with the component ue include ⁇ -olefins having 2 to 10 carbon atoms, such as ethylene, propylene, butene, hexene, and octene.
- a copolymer of component ue and ⁇ -olefin, one of the representative examples of component (D), is a copolymer of one or more of component ue and one or more of ⁇ -olefin. It is obtained by polymerizing.
- Examples thereof include an ethylene-glycidyl (meth) acrylate copolymer, an ethylene-propylene-glycidyl (meth) acrylate copolymer, and an ethylene-octene-glycidyl (meth) acrylate copolymer.
- ethylene-glycidyl (meth) acrylate-copolymer is easily available industrially and is suitable.
- the copolymerization amount of the component ue in the copolymer of the component ue and the a-lefin is dependent on the type of the component ue and the a-olefin used, but is usually 0.1 to 30% by weight, preferably 1 to 1% by weight. 5% by weight. If the copolymerization amount of the component ue is too small, desired physical properties of the composition of the present invention, for example, prevention of peeling cannot be achieved, which is not preferable. If the amount is too large, the cost of the copolymer increases, which is not preferable.
- Modified polyolefin which is another typical example of Component D, is obtained by using the same method as that for producing the modified cyclic olefin-based resin (B) shown above, using an unsaturated epoxy compound.
- the unsaturated group is grafted on the polyolefin to produce a modified polyolefin having an epoxy group.
- polystyrene resin examples include homopolymers or copolymers of Q! -Olefins such as ethylene, propylene, 1-butene, and 1-octene; gen-based polymers such as butadiene and isoprene; And copolymers of Olefin and Jen.
- Q! -Olefins such as ethylene, propylene, 1-butene, and 1-octene
- gen-based polymers such as butadiene and isoprene
- And copolymers of Olefin and Jen examples include homopolymers or copolymers of Q! -Olefins such as ethylene, propylene, 1-butene, and 1-octene; gen-based polymers such as butadiene and isoprene; And copolymers of Olefin and Jen.
- the polyolefin used as the base of the modified polyolefin may be the same as or different from the olefin-based elastomer (C), but is preferably the same.
- the amount of the component ue used in the grafting reaction depends on the type thereof, but is generally about 0.1 to 20 parts by weight per 100 parts by weight of the base resin polyolefin. Or 0.5 to 10 parts by weight. If the use amount of the component ue is too small, desired physical properties of the composition of the present invention, for example, prevention of peeling are not achieved, which is not preferable.
- the amount is too large, the amount of the component ue not bound to the polyolefin becomes too large, and various adverse effects on the composition, such as exudation, a decrease in mechanical strength, and a malodor at the time of molding, are not preferable.
- the amount of the radical generator added during the graft reaction depends on the type of the polyolefin, the component ue, and the radical generator used, but is generally about 0.01 per 100 parts by weight of the total amount of the polyolefin and the component ue. To 5 parts by weight, preferably 0.1 to 2 parts by weight. If the amount of the radical generator is too small, the efficiency of the graft reaction is low, and the amount of the component ue that is not bonded to the polyolefin is undesirably large. On the other hand, if the amount of the radical generator is too large, the polyolefin crosslinks and solidifies, which makes it impossible to mix with other components constituting the composition of the present invention, which is not preferable.
- the composition ratio of each component constituting the composition of the present invention is as follows.
- other thermoplastic resin (f), inorganic or organic filler (g), various compounding agents (h), etc. are added to the cyclic olefin resin composition as long as the properties are not impaired. be able to.
- thermoplastic resins (f) include, for example, polyphenylene sulfide, polyphenylene ether, polyether sulfone, polysulfone, polycarbonate, polyacetal, etc., as well as liquid crystal polymers, aromatic polyesters, and polyarylates.
- Polyester polymers such as polyethylene terephthalate and polybutylene terephthalate; Polyolefin polymers such as polyethylene, polypropylene and poly 4-methylpentene-1; Polyamides such as nylon 6, nylon 66 and aromatic nylon -Based polymer; polymethyl methacrylate, polyacrylonitrile styrene (AS resin), polystyrene and the like.
- the inorganic filler is not particularly limited.
- calcium carbonate powder such as light calcium carbonate, heavy or finely divided calcium carbonate, and special calcium-based filler Fine powder of nepheline syenite; clay such as montmorillonite, bentonite, etc., calcined clay, silane-modified clay, etc.
- silica powder (aluminum powder); talc; fused silica, crystalline silica, etc., silica (silicon dioxide) powder Gay acid-containing compounds such as gay algae soil and gay sand; Natural minerals such as pumice powder, slate powder, mai power, mica powder, asbestos, and their crushed products; Alumina, alumina colloid (alumina sol), alumina white, Alumina-containing compounds such as aluminum sulfate; barium sulfate, lithobon, calcium sulfate, Minerals such as butene and graphite (graphite); glass-based fillers such as glass beads, glass flakes and foamed glass beads; fly ash spheres, volcanic glass hollow bodies, pumice balloons, synthetic inorganic hollow bodies, carbon hollow spheres; Anthracite powder, artificial cryolite (cryolite), titanium oxide, magnesium oxide, basic magnesium carbonate, dolomite, potassium titanate, single crystal potassium titanate, calcium sulfite, calcium gayate, aluminum
- examples of the organic filler include polyethylene fiber, polypropylene fiber, polyester fiber, polyamide fiber, fluorine fiber, ebonite powder, thermosetting resin hollow sphere, and thermosetting resin.
- examples of the filler include epoxy resin filler, silicone resin filler, Saran hollow sphere, shellac, wood powder, cork powder, polyvinyl alcohol fiber, cellulose powder, and wood pulp.
- various additives (h) those commonly used in thermoplastic resin materials are used.
- the cyclic olefin resin composition of the present invention is prepared by mixing the above components as necessary.
- the mixing method is not particularly limited as long as these components are sufficiently dispersed.
- a method in which the mixture is kneaded in a molten state using an extruder, extruded into a rod shape, and cut into an appropriate length to form a pellet is preferable because of high productivity.
- the temperature at the time of melt kneading varies depending on the type of the cyclic olefin resin used, but is usually 100 to 400, preferably 200 to 350.
- the cyclic olefin resin composition of the present invention can be used as it is, preferably in the form of the above pellets, to obtain a molded article by injection molding, injection compression molding, compression molding, extrusion molding, blow molding, or the like.
- Cyclic olefin resin A 1 Topas 6017 (Ticona, addition copolymer of norpolene and ethylene, glass transition temperature 1740
- Cyclic olefin resin A2 Topas 6015 (Ticona, addition copolymer of norpolene and ethylene, glass transition temperature 160)
- Cyclic olefin resin A3 Abel APL6015T (Mitsui Chemicals, addition copolymer of tetracyclododecene and ethylene, glass transition temperature 150)
- Cyclic olefin resin A4 Zeonor 1600 R (Nippon Zeon Co., Ltd., hydrogenated product of a ring-opening polymer of norbornene cyclic olefin, with glass transition temperature of 165)
- the glass transition temperature was measured by a differential scanning calorimeter (DSC) at a heating rate of 20 minutes.
- Topas 5013 (Ticons, Copolymer of norpolenene and ethylene, glass transition temperature 137)
- Abel APL6013T Mitsubishi Chemicals, addition copolymer of tetracyclododecene and ethylene, with a glass transition temperature of 130
- cyclic cyclic resin For 100 parts by weight of 50013 cyclic cyclic resin, 2 parts by weight of acrylic acid as an unsaturated carboxylic acid and 2,5-dimethyl-2,5-di (t-butyl peroxy) as a radical generator Hexin-1 (trade name: Parhexin 25B (manufactured by Nippon Yushi Co., Ltd.)) 0.4 parts by weight are mixed in advance, and the mixture is heated to a cylinder temperature of 200 using a 30 mm twin-screw extruder. In ⁇ , a modified cyclic olefin resin B1 was obtained by melt-kneading and performing a graft reaction.
- Hexin-1 trade name: Parhexin 25B (manufactured by Nippon Yushi Co., Ltd.)
- a modified cyclic olefin resin B3 was obtained in exactly the same manner as in Reference Example 1, except that 2.7 parts by weight of maleic anhydride, which is an unsaturated carboxylic anhydride, was used instead of 2 parts by weight of acrylic acid.
- a modified cyclic olefin resin B4 was obtained in exactly the same manner as in Reference Example 1, except that Abel APL 613 T was used as the cyclic olefin resin.
- a modified cyclic olefin resin B5 was obtained in exactly the same manner as in Reference Example 1, except that Zeonoa 142 OR was used as the cyclic olefin resin.
- Olefin-based elastomer C1 Ethylene-octene copolymer (manufactured by DuPont-Walastomer, Engage 8150, Shore hardness A75) Refined elastomer C 2: Ethylene-propylene copolymer (Mitsui Chemicals, Tuffmer A—4085, Shore A83)
- Styrene-based elastomer C3 Styrene-ethylenebutylene-styrene block copolymer (styrene content 29% by weight, made by Clayton polymer, Clayton G1652, Shore hardness A75)
- Styrene-based elastomer C4 Styrene-ethylene-butylene-styrene block copolymer (styrene content 13% by weight, made by Clayton polymer, Clayton G1657, Shore hardness A65) Modified polyolefin with epoxy group (D)
- Modified polyolefin D1 ethylene-glycidyl methacrylate copolymer (trade name Lexpearl RA4100, manufactured by Nippon Petrochemical Co., Ltd.)
- a test piece was prepared by injection molding only the above-mentioned cyclic olefin resin A1 at a cylinder temperature of 300, and the Charpy impact strength was evaluated. The value was as low as 1. OJ / m 2 .
- This composition was injection molded at a cylinder temperature of 300 to prepare a test piece, and the impact strength and surface peeling were evaluated. The results are shown in Table 1.
- Orefin-based elastomers have a high impact-improving effect but cause significant surface delamination (Comparative Examples 2 or 3).
- a styrene-based elastomer having a styrene content of 30% has no surface peeling, but has a small impact improvement effect (Comparative Example 4).
- the impact strength can be improved by using a styrene-based elastomer having a small amount of styrene, that is, a large amount of a rubber component, but the effect is smaller than that of the olefin-based elastomer.
- surface peeling occurs (Comparative Example 5).
- the pellets of the cyclic olefin resin Al, the olefin elastomer Cl, the modified polyolefin D1, and the modified cyclic olefin resin B1 produced in Reference Example 1 were previously mixed with the composition shown in Table 2 and mixed.
- the composition was melt-kneaded and pelletized at a cylinder temperature of 300 using a 3 O mm twin-screw extruder to obtain a composition.
- This composition was injection molded at a cylinder temperature of 300 to prepare a test piece, and the impact strength and surface peeling were evaluated. The results are shown in Table 2.
- the olefin elastomer (C) is effective in improving the impact strength of the cyclic olefin resin (A), but has the disadvantage of causing surface peeling. Have. However, it can be seen that the impact strength is improved by the addition of the modified cyclic olefin resin (B) and the modified polyolefin fin (D) without surface peeling.
- the modified cyclic olefin resin (B), the modified olefin resin (C) and the modified polyolefin (D) are blended with the cyclic olefin resin (A).
- the impact resistance of the molded article of the cyclic olefin-based resin composition can be remarkably improved, and furthermore, the exfoliation of the molded article surface can be prevented at all.
- the molded article of the cyclic olefin resin composition excellent in impact resistance, peeling resistance, etc. is obtained.
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Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/493,104 US20050014898A1 (en) | 2001-10-22 | 2002-10-21 | Impact-resistant cyclic olefin based resin composition and mouldings |
DE60236613T DE60236613D1 (de) | 2001-10-22 | 2002-10-21 | Enthaltende zusammensetzung und formkörper |
AT02777895T ATE469944T1 (de) | 2001-10-22 | 2002-10-21 | Schlagzähe, auf cyclischem olefin basierendes harz enthaltende zusammensetzung und formkörper |
KR1020047005806A KR100859826B1 (ko) | 2001-10-22 | 2002-10-21 | 내충격성 환형 올레핀계 수지 조성물 및 성형품 |
EP02777895A EP1449882B1 (en) | 2001-10-22 | 2002-10-21 | Impact-resistant cyclic olefin based resin composition and moldings |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2001324006A JP3847599B2 (ja) | 2001-10-22 | 2001-10-22 | 耐衝撃性環状オレフィン系樹脂組成物及び成形品 |
JP2001-324006 | 2001-10-22 |
Publications (1)
Publication Number | Publication Date |
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WO2003035751A1 true WO2003035751A1 (fr) | 2003-05-01 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/010887 WO2003035751A1 (fr) | 2001-10-22 | 2002-10-21 | Composition de resine a base d'olefines cycliques resistante aux chocs et moulages |
Country Status (9)
Country | Link |
---|---|
US (1) | US20050014898A1 (ja) |
EP (1) | EP1449882B1 (ja) |
JP (1) | JP3847599B2 (ja) |
KR (1) | KR100859826B1 (ja) |
CN (1) | CN1279111C (ja) |
AT (1) | ATE469944T1 (ja) |
DE (1) | DE60236613D1 (ja) |
TW (1) | TWI233443B (ja) |
WO (1) | WO2003035751A1 (ja) |
Cited By (1)
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US9452593B2 (en) | 2010-04-15 | 2016-09-27 | Topas Advanced Polymers, Inc. | Melt blends of amorphous cycloolefin polymers and partially crystalline cycloolefin elastomers with improved toughness |
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EP3085722A4 (en) * | 2013-12-20 | 2017-08-16 | Zeon Corporation | Resin material and resin film |
JP6430788B2 (ja) * | 2014-11-17 | 2018-11-28 | デクセリアルズ株式会社 | 樹脂組成物及びその製造方法 |
EP3245255B1 (en) | 2015-01-12 | 2019-05-15 | PolyOne Corporation | Support material for 3d printing of polymer compounds |
WO2017223276A1 (en) | 2016-06-24 | 2017-12-28 | Polyone Corporation | Coc polymer compounds for 3d printing |
CN111393783B (zh) * | 2020-03-31 | 2022-04-26 | 金旸(厦门)新材料科技有限公司 | 一种透明增韧环烯烃共聚物 |
CN111978665A (zh) * | 2020-08-03 | 2020-11-24 | 宁波拓烯新材料科技有限公司 | 一种高韧性coc材料及其制备方法 |
CN113956595A (zh) * | 2021-10-15 | 2022-01-21 | 云南博仁科技有限公司 | 一种环状烯烃结构共聚物制备高强度安全帽材料的方法 |
CN117903372A (zh) * | 2024-03-19 | 2024-04-19 | 拓烯科技(衢州)有限公司 | 一种极性环烯烃共聚物和复合膜及其制备方法 |
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- 2002-10-21 EP EP02777895A patent/EP1449882B1/en not_active Expired - Lifetime
- 2002-10-21 DE DE60236613T patent/DE60236613D1/de not_active Expired - Lifetime
- 2002-10-21 AT AT02777895T patent/ATE469944T1/de not_active IP Right Cessation
- 2002-10-21 CN CNB028207297A patent/CN1279111C/zh not_active Expired - Fee Related
- 2002-10-21 KR KR1020047005806A patent/KR100859826B1/ko not_active IP Right Cessation
- 2002-10-21 WO PCT/JP2002/010887 patent/WO2003035751A1/ja active Application Filing
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Also Published As
Publication number | Publication date |
---|---|
EP1449882A4 (en) | 2006-08-23 |
EP1449882A1 (en) | 2004-08-25 |
CN1571815A (zh) | 2005-01-26 |
KR100859826B1 (ko) | 2008-09-23 |
JP2003128865A (ja) | 2003-05-08 |
KR20040048424A (ko) | 2004-06-09 |
DE60236613D1 (de) | 2010-07-15 |
EP1449882B1 (en) | 2010-06-02 |
CN1279111C (zh) | 2006-10-11 |
US20050014898A1 (en) | 2005-01-20 |
ATE469944T1 (de) | 2010-06-15 |
TWI233443B (en) | 2005-06-01 |
JP3847599B2 (ja) | 2006-11-22 |
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