WO2023243909A1 - 열가소성 수지 조성물, 이의 제조방법 및 이로부터 제조된 성형품 - Google Patents
열가소성 수지 조성물, 이의 제조방법 및 이로부터 제조된 성형품 Download PDFInfo
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- WO2023243909A1 WO2023243909A1 PCT/KR2023/007430 KR2023007430W WO2023243909A1 WO 2023243909 A1 WO2023243909 A1 WO 2023243909A1 KR 2023007430 W KR2023007430 W KR 2023007430W WO 2023243909 A1 WO2023243909 A1 WO 2023243909A1
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- thermoplastic resin
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- graft copolymer
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- PFMVLFSAAABWQD-UHFFFAOYSA-M potassium;octadecyl sulfate Chemical compound [K+].CCCCCCCCCCCCCCCCCCOS([O-])(=O)=O PFMVLFSAAABWQD-UHFFFAOYSA-M 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- FZYCEURIEDTWNS-UHFFFAOYSA-N prop-1-en-2-ylbenzene Chemical compound CC(=C)C1=CC=CC=C1.CC(=C)C1=CC=CC=C1 FZYCEURIEDTWNS-UHFFFAOYSA-N 0.000 description 1
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- XWGJFPHUCFXLBL-UHFFFAOYSA-M rongalite Chemical compound [Na+].OCS([O-])=O XWGJFPHUCFXLBL-UHFFFAOYSA-M 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- APSBXTVYXVQYAB-UHFFFAOYSA-M sodium docusate Chemical compound [Na+].CCCCC(CC)COC(=O)CC(S([O-])(=O)=O)C(=O)OCC(CC)CCCC APSBXTVYXVQYAB-UHFFFAOYSA-M 0.000 description 1
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- NWZBFJYXRGSRGD-UHFFFAOYSA-M sodium;octadecyl sulfate Chemical compound [Na+].CCCCCCCCCCCCCCCCCCOS([O-])(=O)=O NWZBFJYXRGSRGD-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002195 soluble material Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- SKIVFJLNDNKQPD-UHFFFAOYSA-N sulfacetamide Chemical compound CC(=O)NS(=O)(=O)C1=CC=C(N)C=C1 SKIVFJLNDNKQPD-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- OPQYOFWUFGEMRZ-UHFFFAOYSA-N tert-butyl 2,2-dimethylpropaneperoxoate Chemical compound CC(C)(C)OOC(=O)C(C)(C)C OPQYOFWUFGEMRZ-UHFFFAOYSA-N 0.000 description 1
- NMOALOSNPWTWRH-UHFFFAOYSA-N tert-butyl 7,7-dimethyloctaneperoxoate Chemical compound CC(C)(C)CCCCCC(=O)OOC(C)(C)C NMOALOSNPWTWRH-UHFFFAOYSA-N 0.000 description 1
- DLSMLZRPNPCXGY-UHFFFAOYSA-N tert-butylperoxy 2-ethylhexyl carbonate Chemical compound CCCCC(CC)COC(=O)OOOC(C)(C)C DLSMLZRPNPCXGY-UHFFFAOYSA-N 0.000 description 1
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 description 1
- 229960002447 thiram Drugs 0.000 description 1
- 125000005259 triarylamine group Chemical group 0.000 description 1
- 239000000326 ultraviolet stabilizing agent Substances 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- 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
- C08L51/04—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 rubbers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/08—Copolymers of styrene
- C08L25/14—Copolymers of styrene with unsaturated esters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—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 a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/14—Methyl esters, e.g. methyl (meth)acrylate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F212/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
- C08F212/02—Monomers containing only one unsaturated aliphatic radical
- C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
- C08F212/06—Hydrocarbons
- C08F212/12—Monomers containing a branched unsaturated aliphatic radical or a ring substituted by an alkyl radical
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
- C08F265/04—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00 on to polymers of esters
- C08F265/06—Polymerisation of acrylate or methacrylate esters on to polymers thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F285/00—Macromolecular compounds obtained by polymerising monomers on to preformed graft polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/08—Copolymers of styrene
- C08L25/12—Copolymers of styrene with unsaturated nitriles
-
- 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
- C08L33/10—Homopolymers or copolymers of methacrylic acid esters
- C08L33/12—Homopolymers or copolymers of methyl methacrylate
-
- 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
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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
-
- 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
Definitions
- the refractive index of the rubber core, the refractive index of the graft shell, and the refractive index of the matrix resin must be close to each other. Furthermore, in a resin composition containing a graft copolymer and a matrix resin, the difference between the refractive index of the rubber core and the refractive index of the matrix resin must be small so that light does not refract or reflect at the interface of the graft copolymer and the resin composition becomes transparent.
- ASA resin which includes a butyl acrylate rubber core and a styrene-acrylonitrile copolymer shell, has a refractive index of butyl acrylate rubber of 1.46 and a refractive index of styrene-acrylonitrile copolymer of 1.56 to 1.58, which is the refractive index of the core and shell.
- 'SAN resin' styrene-acrylonitrile copolymer
- the refractive index of SAN resin is 1.56 to 1.58, which is the difference in refractive index between the core of ASA resin and SAN resin.
- the resin composition is opaque and lacks heat resistance.
- the purpose of the present invention is to provide a thermoplastic resin composition excellent in transparency, gloss, heat resistance, weather resistance, and impact resistance, a manufacturing method thereof, and a molded article manufactured therefrom.
- the present invention also provides an alkyl acrylate-aromatic vinyl compound-vinyl cyanide comprising (A) a seed, a rubber core surrounding the seed, and a graft shell surrounding the rubber core. compound graft copolymer; and (B) a non-grafted copolymer comprising an alkyl (meth)acrylate, an aromatic vinyl compound, a vinyl cyan compound, and an imide-based compound.
- a graft shell comprising an alkyl acrylate-aromatic vinyl compound-vinylcyan compound graft copolymer; and (B) a non-grafted copolymer comprising an alkyl (meth)acrylate, an aromatic vinyl compound, a vinyl cyan compound, and an imide-based compound; wherein the (A) grafted copolymer has the following formula: Provided is a thermoplastic resin composition that simultaneously satisfies 2.
- r1 is the average radius (nm) from the center of the graft copolymer to the polymer seed
- r2 is the average radius (nm) from the center of the graft copolymer to the rubber core.
- the thermoplastic resin composition preferably comprises (A) 50 to 69% by weight of alkyl acrylate and 31 to 50% by weight of aromatic vinyl compound, polymerized seed, surrounding the seed and alkyl A polymerized rubber core comprising 81 to 88% by weight of acrylate and 12 to 19% by weight of an aromatic vinyl compound, and surrounding the rubber core, 66 to 78% by weight of an aromatic vinyl compound, 14 to 26% by weight of a vinyl cyan compound, and an alkyl an alkyl acrylate-aromatic vinyl compound-vinylcyan compound graft copolymer comprising a polymerized graft shell containing 3 to 13% by weight of acrylate; and (B) a non-grafted copolymer comprising an alkyl (meth)acrylate, an aromatic vinyl compound, a vinyl cyan compound, and an imide-based compound; wherein the (A) grafted copolymer is represented by Equations 1 and 2 can be satisfied simultaneously.
- the (A) graft copolymer preferably has a difference between the refractive index of the rubber core and the refractive index of the shell of 0.093 or less.
- the refractive index of the polymer seed of the (A) grafted copolymer may preferably have a difference of 0.015 or less from the refractive index of the (B) ungrafted copolymer.
- the (B) ungrafted copolymer preferably contains 60 to 90% by weight of alkyl (meth)acrylate, 3 to 33% by weight of aromatic vinyl compound, and 0.1 to 20% by weight of vinyl cyan compound. %, and 0.1 to 20 wt% of an imide-based compound.
- the imide-based compound in the non-grafted copolymer (B) is preferably N-phenylmaleimide, maleimide, N-methylmaleimide, N-ethylmaleimide, N-propyl It may be one or more selected from the group consisting of maleimide, N-butylmaleimide, N-isobutylmaleimide, N-cyclohexylmaleimide, and N-benzylmaleimide.
- the thermoplastic resin composition may preferably include (A) 10 to 90% by weight of the graft copolymer and (B) 10 to 90% by weight of the non-grafted copolymer.
- the thermoplastic resin composition can preferably (c) alkyl acrylate-aromatic vinyl compound-vinyl cyanide graph copolymer with (c) an average particle diameter of 50 to 150 nm. there is.
- the present invention is A polymerized rubber core comprising 9 to 22% by weight, and surrounding the rubber core and polymerized comprising 65 to 82% by weight of an aromatic vinyl compound, 12 to 30% by weight of a vinyl cyan compound, and 3 to 15% by weight of an alkyl acrylate.
- a graft shell comprising an alkyl acrylate-aromatic vinyl compound-vinylcyan compound graft copolymer; and
- B a non-grafted copolymer comprising an alkyl (meth)acrylate, an aromatic vinyl compound, a vinyl cyan compound, and an imide compound; kneaded and extruded under conditions of 180 to 300° C. and 80 to 400 rpm.
- It provides a method for producing a thermoplastic resin composition, including the step, wherein the (A) graft copolymer simultaneously satisfies the following equations 1 and 2.
- the method for producing the thermoplastic resin composition is preferably: A polymerized rubber core comprising 12 to 19% by weight of an aromatic vinyl compound, and surrounding the rubber core, 66 to 78% by weight of an aromatic vinyl compound, 14 to 26% by weight of a vinyl cyan compound, and 3 to 13% by weight of an alkyl acrylate.
- an alkyl acrylate-aromatic vinyl compound-vinylcyan compound graft copolymer comprising a polymerized graft shell, including weight percent; and (B) a non-grafted copolymer comprising an alkyl (meth)acrylate, an aromatic vinyl compound, a vinyl cyan compound, and an imide compound; kneaded and extruded under conditions of 180 to 300° C. and 80 to 400 rpm.
- the (A) graft copolymer may simultaneously satisfy Equations 1 and 2 above.
- the present invention provides a molded article (XVIII) comprising the thermoplastic resin composition of I) to XIV).
- thermoplastic resin composition with excellent heat resistance and impact resistance, transparency, gloss, and weather resistance, a manufacturing method thereof, and a molded article manufactured therefrom.
- thermoplastic resin composition of the present invention has the advantage of providing excellent impact resistance and heat resistance along with an attractive appearance when applied to automobile interior materials, automobile exterior materials, building materials, home appliances, or medical parts that require high transparency, gloss, and weather resistance. there is.
- thermoplastic resin composition of the present invention the thermoplastic resin composition of the present invention, its manufacturing method, and molded articles manufactured therefrom will be described in detail.
- the present inventors in order to improve the transparency, gloss, heat resistance, weather resistance, and impact resistance of a thermoplastic resin composition containing an ASA resin and a matrix resin, change the composition, composition ratio, and/or refractive index difference of the seed, core, and shell constituting the ASA resin.
- a thermoplastic resin composition containing an ASA resin and a matrix resin change the composition, composition ratio, and/or refractive index difference of the seed, core, and shell constituting the ASA resin.
- thermoplastic resin composition of the present invention is an alkyl acrylate-aromatic vinyl compound-vinyl cyan compound graft copolymer comprising (A) a seed, a rubber core surrounding the seed, and a graft shell surrounding the rubber core; and (B) a non-grafted copolymer comprising an alkyl (meth)acrylate, an aromatic vinyl compound, a vinyl cyan compound, and an imide-based compound.
- thermoplastic resin composition of the present invention includes (A) a polymerized seed containing 45 to 72% by weight of an alkyl acrylate and 28 to 55% by weight of an aromatic vinyl compound, surrounding the seed and comprising 78 to 91% by weight of alkyl acrylate and an aromatic vinyl compound.
- a polymerized rubber core containing 9 to 22% by weight of a vinyl compound, and surrounding the rubber core and comprising 65 to 82% by weight of an aromatic vinyl compound, 12 to 30% by weight of a vinyl cyan compound, and 3 to 15% by weight of an alkyl acrylate.
- Equations 1 and 2 r1 is the average radius (nm) of the polymer from the center of the graft copolymer, and r2 is the average radius (nm) from the center of the graft copolymer to the core.
- thermoplastic resin composition of the present invention will be described in detail by composition.
- the (A) graft copolymer may be, for example, an alkyl acrylate-aromatic vinyl compound-vinyl cyan compound graft copolymer comprising a seed, a rubber core surrounding the seed, and a graft shell surrounding the rubber core. and preferably a polymerized seed comprising 45 to 72% by weight of alkyl acrylate and 28 to 55% by weight of aromatic vinyl compound, surrounding the seed and comprising 78 to 91% by weight of alkyl acrylate and 9 to 22% by weight of aromatic vinyl compound.
- the polymer seed of the graft copolymer (A) may have an average particle diameter of 120 to 220 nm, preferably 150 to 190 nm, and within this range, it has excellent impact resistance, fluidity, and transparency in the final manufactured thermoplastic resin composition. and weather resistance can be provided.
- the rubber core may have an average particle diameter of 180 to 300 nm, preferably 200 to 280 nm, and more preferably 230 to 260 nm, and within this range, it has an excellent balance of physical properties and excellent impact resistance. .
- alkyl acrylate preferably 70 to 75% by weight of aromatic vinyl compound, 18 to 21% by weight of vinyl cyan compound, and 6 to 10% by weight of alkyl acrylate.
- the introduction of alkyl acrylate into the graft shell has the advantage of excellent compatibility with the non-grafted copolymer (B), excellent physical property balance, transparency, gloss, and weather resistance.
- the difference between the refractive index of the rubber core of the (A) graft copolymer and the refractive index of the graft shell of the (A) graft copolymer is, for example, 0.093 or less, preferably 0.090 or less, more preferably 0.088 or less, More preferably, it may be 0.070 to 0.088, and even more preferably, it may be 0.080 to 0.088, and within this range, transparency, gloss, weather resistance, and impact resistance are all excellent.
- aromatic vinyl compounds in the present disclosure include styrene, ⁇ -methyl styrene, ⁇ -methyl styrene, ⁇ -methyl styrene, m-methyl styrene, ethyl styrene, isobutyl styrene, t-butyl styrene, ⁇ -brobostyrene, ⁇ - It may be one or more selected from the group consisting of bromo styrene, m-bromo styrene, ⁇ -chloro styrene, ⁇ -chloro styrene, m-chloro styrene, vinyl toluene, vinyl xylene, fluorostyrene, and vinyl naphthalene, Preferably it may be styrene.
- the vinyl cyan compound may be, for example, one or more selected from the group consisting of acrylonitrile, methacrylonitrile, ethyl acrylonitrile, and isopropylacrylonitrile, and preferably may be acrylonitrile.
- the alkyl acrylate may be, for example, an alkyl acrylate having an alkyl group having 1 to 15 carbon atoms, and is preferably methyl acrylate, ethyl acrylate, propyl acrylate, butyl acrylate, 2-ethylbutyl acrylate, It may be one or more selected from the group consisting of octyl acrylate, 2-ethylhexyl acrylate, hexyl acrylate, heptyl acrylate, n-pentyl acrylate, and lauryl acrylate, and is preferably an alkyl group having 1 to 4 carbon atoms. It may be an alkyl acrylate, and more preferably, it may be n-butylacrylate, 2-ethylhexyl acrylate, or a mixture thereof.
- the (A) graft copolymer is given below as an example. Equations 1 and 2 are simultaneously satisfied, and in this case, the thickness of the rubber core of the (A) grafted copolymer, which has a large refractive index difference from the (B) non-grafted copolymer, is reduced, resulting in excellent transparency and gloss and excellent impact resistance. It works.
- r1 is the average radius (mm) from the center of the graft copolymer to the polymer seed
- r2 is the average radius (nm) from the center of the graft copolymer to the core.
- the equation 1 may be preferably 200 ⁇ 2*r2 ⁇ 280, more preferably 230 ⁇ 2*r2 ⁇ 260, and within this range, excellent impact resistance is achieved.
- the equation 2 may be preferably 30 ⁇ r2-r1 ⁇ 40, more preferably 32 ⁇ r2-r1 ⁇ 37, and within this range, excellent transparency is achieved.
- the r1 may also be a value divided by half the average particle diameter of the seed, and r2 may also be a value divided by half the average particle diameter of the core including the seed.
- the r2-r1 refers to the thickness of the rubber core. As the thickness of the rubber core becomes thinner, light is more easily transmitted, thereby improving transparency.
- the refractive index of each of the polymer seed, rubber core, and graft shell of the graft copolymer and the refractive index of (B) the ungrafted copolymer can be calculated using Equation 3 below.
- the (A) graft copolymer may have a gel content of 70 to 98% by weight, preferably 80 to 95% by weight, and more preferably 82 to 92% by weight, and within this range, impact resistance, etc. It has excellent mechanical properties.
- room temperature may be a point within the range of 20 ⁇ 5°C.
- the (A) graft copolymer may be, for example, 25 to 55% by weight of the rubber core, preferably 30 to 50% by weight, more preferably 35 to 45% by weight, based on the total 100% by weight thereof, and this range It has excellent impact resistance and physical property balance. If the content of the rubber core is less than the above range, the rubber content may decrease and the impact reinforcing effect as a graft copolymer may be reduced, and if it exceeds the above range, the graft shell content may decrease and the rubber may clump together during aggregation, and (B) Big Compatibility with raft copolymers is significantly reduced, resulting in a decrease in impact reinforcement effect and the desired level of refractive index may not be obtained.
- the emulsifier in steps i), ii), and iii) is not particularly limited as long as it is an emulsifier commonly used in the technical field to which the present invention pertains, and for example, an alkyl sulfosuccinate metal salt having 12 to 18 carbon atoms or a derivative thereof. , alkyl sulfuric acid esters having 12 to 20 carbon atoms or derivatives thereof, alkyl sulfonic acid metal salts having 12 to 20 carbon atoms or derivatives thereof, fatty acid soaps, and rosin acid soaps.
- the alkyl sulfuric acid ester having 12 to 20 carbon atoms or a derivative thereof, an alkyl sulfonic acid metal salt having 12 to 20 carbon atoms or a derivative thereof is preferably sodium lauryl sulfate, sodium dodecyl sulfate, sodium dodecyl benzene sulfate, sodium octadecyl sulfate, It may be one or more selected from the group consisting of sodium oleic sulfate, potassium dodecyl sulfate, and potassium octadecyl sulfate.
- the fatty acid soap may preferably be one or more selected from the group consisting of oleic acid, stearic acid, lauric acid, and sodium or potassium salts of mixed fatty acids.
- the emulsifier is present in an amount of 0.01 to 5 parts by weight, preferably 0.1 to 4 parts by weight, based on a total of 100 parts by weight of monomers used in the production of each of the polymer seed, rubber core, and graft shell of the (A) graft copolymer. parts, more preferably 1 to 3 parts by weight.
- the initiator in steps i), ii) and iii) is not particularly limited, but a radical initiator may be preferably used.
- the radical initiator may be one or more selected from the group consisting of inorganic peroxides, organic peroxides, peroxyketal-based peroxides, peroxycarbonate peroxides, and azo compounds.
- the inorganic peroxide may preferably be one or more selected from the group consisting of sodium persulfate, potassium persulfate, ammonium persulfate, potassium perphosphate, and hydrogen peroxide.
- the organic peroxides include t-butyl peroxide, cumene hydroperoxide, p-menthane hydroperoxide, di-t-butyl peroxide, dicumyl peroxide, t-butylcumyl peroxide, 2,5-dimethyl-2, 5-di(t-butyl peroxy)-hexane, di-t-amyl peroxide, 1,1-di(t-butylperoxy)-3,3,5-trimethylcyclohexane, 1,1-di( t-butylperoxy)-cyclohexane, 1,1-di(t-amylperoxy)-cyclohexane, ethyl 3,3-di(t-amylperoxy)-butyrate, diisopropylbenze mono-hydroper Oxide, t-amyl hydroperoxide, t-butyl hydroperoxide, t-butyl peroxyneodecano
- the peroxyketal-based peroxide is preferably 1,1-di(t-butylperoxy)-3,3,5-trimethylcyclohexane, 1,1-di(t-butylperoxy)cyclohexane, 1, A group consisting of 1-di(t-amylperoxy)cyclohexane, ethyl-3,3-di(t-butylperoxy)butyrate, and ethyl-3,3-di(t-amylperoxy)butylate. It may be one or more types selected from.
- the peroxycarbonate peroxide is preferably dicumylperoxide, di(t-butylperoxy)-m/p-diisopropylbenzene, 2,5-dimethyl-2,5-(t-butylperoxy) ) dialkyl peroxides such as hexane, t-butylcumyl peroxide, 2,5-methyl-2,5-(t-butylperoxy)hexyne-3, t-butyl peroxy 2-ethylhexyl monocarbonate, and It may be one or more selected from the group consisting of t-butyl peroxybenzoate.
- the azo compound is preferably one selected from the group consisting of azobisisobutyronitrile, azobis-2,4-dimethylvaleronitrile, azobiscyclohexanecarbonitrile, and methyl azobisisobutyrate (butyrate). It could be more than that.
- an activator may preferably be used together with the polymerization initiator to promote the initiation reaction of peroxide.
- the activator is not particularly limited as long as it is an activator commonly used in the technical field to which the present invention pertains.
- the redox catalyst may be, for example, one or more selected from the group consisting of sodium pyrophosphate, dextrose, ferrous sulfide, sodium sulfite, sodium formaldehyde sulfoxylate, and sodium ethylenediamine tetraacetate, preferably It may be a mixture of sodium pyrophosphate, dextrose, and ferrous sulfide, but is not limited thereto.
- Step iii) may include, for example, a molecular weight regulator.
- 100 parts by weight of the graft copolymer refers to 100 parts by weight of the total weight of the final graft copolymer, or since almost all of the input monomers participate in the polymer, it is convenient to mix the monomers used in the polymer seed, rubber core, and graft shell. It may refer to the total weight, or the combined weight of the monomers added when producing the polymer seed and rubber core and the monomers added when producing the graft shell, based on 100 parts by weight.
- the emulsion polymerization is not particularly limited if it is carried out using an emulsion polymerization method commonly performed in the technical field to which the present invention pertains.
- the polymerization temperature during the emulsion polymerization is not particularly limited, but may be performed at, for example, 50 to 85°C, preferably 60 to 80°C.
- the (B) ungrafted copolymer more preferably contains 65 to 85% by weight of alkyl (meth)acrylate, 8 to 28% by weight of aromatic vinyl compound, 0.1 to 15% by weight of vinyl cyan compound, and 1 to 15% by weight of imide compound. %, and within this range, it has excellent compatibility with the (A) graft copolymer and has excellent heat resistance, weather resistance, transparency, gloss, and impact resistance.
- the (B) ungrafted copolymer more preferably contains 70 to 80% by weight of alkyl (meth)acrylate, 13 to 23% by weight of aromatic vinyl compound, 0.1 to 10% by weight of vinyl cyan compound, and 2 to 10% by weight of imide compound. %, and within this range, it has excellent compatibility with the (A) graft copolymer and has excellent heat resistance, weather resistance, transparency, gloss, and impact resistance.
- imide-based compounds include, for example, N-phenylmaleimide, maleimide, N-methylmaleimide, N-ethylmaleimide, N-propylmaleimide, N-butylmaleimide, N-isobutylmaleimide, N - At least one selected from the group consisting of cyclohexylmaleimide and N-benzylmaleimide, preferably N-phenylmaleimide. In this case, it has excellent heat resistance and excellent physical property balance.
- the alkyl methacrylate may be, for example, an alkyl methacrylate having an alkyl group having 1 to 15 carbon atoms, and is preferably methyl methacrylate, ethyl methacrylate, butyl methacrylate, 2-ethylbutyl methacrylate, It may be one or more types selected from the group consisting of 2-ethylhexyl methacrylate and lauryl methacrylate, more preferably it may be an alkyl methacrylate containing an alkyl group having 1 to 4 carbon atoms, and even more preferably It may be methyl methacrylate.
- the types of aromatic vinyl compounds and vinyl cyan compounds contained in the (B) non-grafted copolymer may be within the same category as the types of aromatic vinyl compounds and vinyl cyan compounds contained in the (A) grafted copolymer of the present disclosure. .
- the (B) ungrafted copolymer may preferably be an N-phenylmaleimide-methylmethacrylate-styrene-acrylonitrile copolymer, in which case the refractive index of the (A) grafted copolymer with the polymer seed. The difference is small, resulting in excellent transparency and gloss, as well as excellent heat resistance and weather resistance.
- solvent THF
- column temperature 40 °C
- flow rate 0.3 ml/min
- sample concentration 20 mg/ml
- injection volume 5 ⁇ l
- column model 1xPLgel 10 ⁇ m MiniMix-B (250x4.6mm) + 1xPLgel 10 ⁇ m MiniMix-B (250x4.6mm) + 1xPLgel 10 ⁇ m MiniMix-B Guard (50x4.6mm)
- Equipment name Agilent 1200 series system
- Refractive index detector Agilent G1362 RID
- RI temperature 35 °C
- data processing Agilent ChemStation S/W
- test method Mn, Mw and PDI
- the (B) ungrafted copolymer may have a refractive index of 1.5 to 1.525, preferably 1.51 to 1.52, as measured at room temperature using an Abbe refractometer according to ASTM D542, and within this range (A ) The difference in refractive index between the graft copolymer and the seed is reduced, resulting in excellent transparency and gloss.
- the (B) non-grafted copolymer is, for example, 60 to 90% by weight of alkyl (meth)acrylate, 3 to 33% by weight of aromatic vinyl compound, 0.1 to 20% by weight of vinyl cyan compound, and 0.1 to 20% by weight of imide compound. It may be prepared by polymerizing a polymerization solution in which 100 parts by weight of a monomer mixture containing 15 to 40 parts by weight of a reaction solvent and 0.01 to 1 part by weight of an initiator are mixed.
- the initiator used in the production of the (B) ungrafted copolymer is, for example, t-Butylperoxy-2-ethylhexanoate, benzoyl peroxide, and t-butyl.
- Peroxyisobutyrate t-butylperoxyisobutyrate
- 1,1-bis(tbutylperoxy)cyclohexane 2,2-bis(4,4-di-t- Butylperoxycyclohexane)propane (2,2-bis(4,4-di-t-butylperoxy cyclohexane)propane
- t-hexyl peroxy isopropyl monocarbonate (t-hexyl peroxy isopropyl monocarbonate), t-butylper tbutylperoxylaurate, t-butyl peroxy isopropylmonocarbonate, t-butyl peroxy 2-ethylhexylmonocarbonate,
- the (C) graft copolymer more preferably has an average particle diameter of 70 to 130 nm and includes a rubber core containing 80 to 90% by weight of an alkyl acrylate and 10 to 20% by weight of an aromatic vinyl compound, and surrounding the rubber core. It may include a graft shell comprising 67 to 77% by weight of an aromatic vinyl compound, 14 to 22% by weight of a vinyl cyan compound, and 5 to 12% by weight of an alkyl acrylate, in which case (B) ungrafted copolymer It has excellent compatibility with and excellent impact resistance, and has the advantage of improved weather resistance, transparency, and gloss.
- the (C) graft copolymer is, for example, 30 to 60% by weight of the rubber core and 40 to 70% by weight of the graft shell, preferably 35 to 55% by weight of the rubber core and 45 to 65% by weight of the graft shell, more preferably Typically, it may be 40 to 50% by weight of the rubber core and 50 to 60% by weight of the graft shell, and within this range, there is an advantage in that it has excellent mechanical properties.
- alkyl acrylate, aromatic vinyl compound, and vinyl cyan compound contained in the (C) graft copolymer are the alkyl acrylate, aromatic vinyl compound, and vinyl cyan compound contained in the (A) graft copolymer of the present disclosure. It may be within the same category as the type.
- the method for producing the (C) graft copolymer includes, for example, i) preparing a rubber core including 78 to 91% by weight of an alkyl acrylate and 9 to 22% by weight of an aromatic vinyl compound; and ii) preparing a graft copolymer by graft polymerizing 65 to 80% by weight of an aromatic vinyl compound, 14 to 25% by weight of a vinyl cyan compound, and 3 to 15% by weight of an alkyl acrylate in the presence of the rubber core. It may include, and in this case, it has excellent weather resistance, transparency, and glossiness.
- the method for producing the (C) graft copolymer preferably includes the steps of i) preparing a rubber core including 78 to 91% by weight of an alkyl acrylate, 9 to 22% by weight of an aromatic vinyl compound, a crosslinker, an initiator and an emulsifier; and iii) graft polymerization comprising 65 to 80% by weight of an aromatic vinyl compound, 14 to 25% by weight of a vinyl cyan compound, 3 to 15% by weight of an alkyl acrylate, a crosslinker, an initiator and an emulsifier in the presence of the rubber core. It may include the step of preparing a copolymer, and in this case, it has excellent impact resistance, weather resistance, transparency, and gloss.
- the total weight of the (A) graft copolymer and (C) graft copolymer is 100% by weight of the total of (A) graft copolymer, (B) ungrafted copolymer, and (C) graft copolymer.
- it may be 10 to 90% by weight, preferably 30 to 70% by weight, and more preferably 40 to 60% by weight, and within this range, weather resistance, transparency, gloss, and impact resistance are all excellent. there is.
- the weight ratio (A:C) of the (A) graft copolymer and (C) graft copolymer is, for example, 5:5 to 8:2, preferably 5.5:4.5 to 7:3, more preferably 5.5. : 4.5 ⁇ 6.5 : 3.5, and within this range, there are advantages of greater transparency, gloss, heat resistance, weather resistance, and impact resistance.
- thermoplastic resin composition is preferably separated into an insoluble gel and a soluble sol by adding acetone, stirring and centrifuging, and the difference between the refractive index of the sol and the refractive index of the gel is 0.006 or less. , more preferably 0.004 or less, further preferably 0.003 or less, even more preferably 0.002 or less, particularly preferably 0.001 to 0.002, and within this range, there is an advantage that weather resistance, transparency and gloss are further improved.
- the difference in refractive index between the sol and gel of the thermoplastic resin composition is specifically determined by adding 30 g of acetone to 0.5 g of a thermoplastic resin composition pellet and stirring at 210 rpm for 12 hours at room temperature (SKC-6075, Lab companion). , this was centrifuged at 18,000 rpm at 0°C for 3 hours using a centrifuge (Supra R30, Hanil Science Co., Ltd.) to separate the gel, which is an insoluble substance that does not dissolve in acetone, and the sol, which is a soluble substance. After drying it by forced circulation at 85°C for 12 hours (OF-12GW, Lab companion), the refractive index of each gel and sol is measured according to ASTM D542.
- the refractive index is specifically measured at room temperature using an Abbe refractometer in accordance with ASTM D542.
- the present invention has the effect of providing a resin composition with better transparency and glossiness by controlling the difference between the refractive index of the sol and the refractive index of the gel in the thermoplastic resin composition within the above range.
- the thermoplastic resin composition preferably has a haze of 10% or less, more preferably 7% or less, even more preferably 5% or less, as measured by an injection specimen with a thickness of 3 mm according to ASTM D1003.
- it may be 3% or less, particularly preferably 2.6% or less, particularly more preferably 2.4% or less, and most preferably 0.5 to 2.4%. Within this range, excellent balance of physical properties is achieved.
- the thermoplastic resin composition preferably has a haze of 3% or less, more preferably 2.5% or less, even more preferably 2% or less, even more preferably 1.7%, as measured by an extruded specimen with a thickness of 0.15 mm according to ASTM D1003. % or less, particularly preferably 0.5 to 1.7 %, and within this range, excellent balance of physical properties is achieved.
- haze is specifically measured using a haze meter (MURAKAMI, HM-150) according to ASTM D1003 for each injection specimen with a thickness of 3 mm and an extrusion specimen with a thickness of 0.15 mm.
- MURAKAMI haze meter
- the thermoplastic resin composition preferably has a glossiness of 122 or more, more preferably 130 or more, even more preferably 135 or more, as measured at 45° using an injection specimen with a thickness of 3 mm according to ASTM D2457. It is 138 or more, especially preferably 138 to 160, and within this range, excellent balance of physical properties is achieved.
- the thermoplastic resin composition preferably has a glossiness of 110 or more, more preferably 120 or more, even more preferably 125 or more, as measured at 60° using an extruded specimen with a thickness of 0.15 mm according to ASTM D2457. It is 130 or more, especially preferably 130 to 155, and within this range, excellent balance of physical properties is achieved.
- the thermoplastic resin composition preferably has an Izod impact strength of 10 kgf ⁇ cm/cm or more, more preferably 12 kgf ⁇ cm/cm or more, as measured at room temperature with a 1/4" thick specimen according to ASTM D256.
- it may be 14 kgf ⁇ cm/cm or more, more preferably 14 to 18 kgf ⁇ cm/cm, and within this range, excellent balance of physical properties is achieved.
- the thermoplastic resin composition preferably has a heat distortion temperature measured under a load of 18.5 kgf according to ASTM D648 of 90 °C or higher, more preferably 92 °C or higher, more preferably 92 to 100 °C, even more preferably 92 to 100 °C. It may be 97°C, and within this range, excellent physical property balance and heat resistance are achieved.
- the thermoplastic resin composition preferably has a Vicat softening temperature (Vicat) of 97°C or higher, more preferably 100°C or higher, as measured under a temperature increase rate of 50°C/min and a load of 50 N according to ASTM D1525. It may be preferably 100 to 110°C, more preferably 100 to 105°C, and within this range, excellent physical property balance and heat resistance are achieved.
- Vicat Vicat softening temperature
- the ⁇ E is the arithmetic mean value of the L, a, and b values measured on the specimen before and after the accelerated weathering test using the CIE LAB color coordinate system. The closer the ⁇ E value is to 0, the better the weathering resistance is.
- the lubricant may be one or more selected from the group consisting of ethylene bissteramide, polyethylene oxide wax, magnesium stearate, calcium steramide, and stearic acid, and in this case, heat resistance and fluidity are improved. .
- the lubricant may be, for example, 0.01 to 3 parts by weight, preferably 0.05 to 2 parts by weight, based on a total of 100 parts by weight of (A) the graft copolymer and (B) the ungrafted copolymer.
- the antioxidant may be, for example, 0.01 to 3 parts by weight, preferably 0.05 to 2 parts by weight, based on a total of 100 parts by weight of (A) the graft copolymer and (B) the ungrafted copolymer, and the physical properties are within this range. It has excellent balance and improves heat resistance.
- the ultraviolet absorber may be, for example, 0.01 to 3 parts by weight, preferably 0.05 to 2 parts by weight, based on a total of 100 parts by weight of (A) the graft copolymer and (B) the ungrafted copolymer, and has excellent physical property balance. There is an effect of improving light fastness.
- thermoplastic resin composition includes, for example, flame retardants, flame retardant auxiliaries, fluorescent whitening agents, antistatic agents, chain extenders, mold release agents, pigments, dyes, antibacterial agents, processing aids, metal deactivators, smoke suppressants, inorganic fillers, glass fibers, and anti-friction agents. And it may further include one or more additives selected from the group consisting of anti-wear agents.
- the additive is, for example, 0.01 to 5 parts by weight, preferably 0.1 to 3 parts by weight, more preferably 0.1 to 1 part by weight, based on a total of 100 parts by weight of (A) the graft copolymer and (B) the ungrafted copolymer. It may be negative, and in this case, the improvement in physical properties is excellent and the manufacturing cost is low, resulting in excellent economic efficiency.
- thermoplastic resin composition of the present invention a method for manufacturing the thermoplastic resin composition of the present invention and a molded article containing the composition will be described.
- all contents of the thermoplastic resin composition described above are included.
- thermoplastic resin composition Method for producing thermoplastic resin composition
- the method for producing the thermoplastic resin composition of the present invention includes (A) a polymerized seed containing 45 to 72% by weight of an alkyl acrylate and 28 to 55% by weight of an aromatic vinyl compound, surrounding the seed and comprising 78 to 91% by weight of an alkyl acrylate and A polymerized rubber core containing 9 to 22% by weight of an aromatic vinyl compound, and surrounding the rubber core, 65 to 82% by weight of an aromatic vinyl compound, 12 to 30% by weight of a vinyl cyan compound, and 3 to 15% by weight of an alkyl acrylate.
- an alkyl acrylate-aromatic vinyl compound-vinyl cyan compound graft copolymer comprising a polymerized graft shell; and (B) a non-grafted copolymer comprising an alkyl (meth)acrylate, an aromatic vinyl compound, a vinyl cyan compound, and an imide compound; kneaded and extruded under conditions of 180 to 300° C. and 80 to 400 rpm.
- the (A) graft copolymer is characterized by simultaneously satisfying the following equations 1 and 2. In this case transparency, glossiness. It has the advantage of excellent heat resistance, weather resistance, and impact resistance.
- r1 is the thickness (nm) from the center of the graft copolymer to the polymer seed
- r2 is the thickness (nm) from the center of the graft copolymer to the rubber core.
- the kneading and extruding step may include (C) an alkyl acrylate-aromatic vinyl compound-vinyl cyan compound graft copolymer having an average particle diameter of 50 to 150 nm of the rubber core, preferably (C) average particle diameter of 50 to 150 nm.
- alkyl acrylate-aromatic vinyl compound-vinyl cyan compound graft copolymer comprising a graft shell composed of 25% by weight and 3 to 15% by weight of alkyl acrylate.
- it has excellent impact resistance and Transparency, gloss, heat resistance, and weather resistance are greatly improved.
- the kneading and extrusion may be performed through, for example, a single-screw extruder, a twin-screw extruder, or a Banbury mixer, and in this case, the composition is uniformly dispersed, resulting in excellent compatibility.
- the kneading and extrusion may be performed within a barrel temperature of 180 to 300°C, preferably 190 to 280°C, and more preferably 200 to 260°C, in which case the throughput per unit time is appropriate and sufficient melting is achieved. Kneading can be possible and has the effect of not causing problems such as thermal decomposition of the resin component.
- the kneading and extrusion may be performed under conditions where the screw rotation speed is 80 to 400 rpm, preferably 100 to 300 rpm, and more preferably 150 to 250 rpm.
- the throughput per unit time is appropriate, so that the process efficiency is high. It has excellent effects.
- thermoplastic resin composition obtained through the extrusion can be manufactured into pellets, for example, using a pelletizer.
- the resin composition can be manufactured into molded products for various industrial fields through molding processes such as blow process and injection process.
- a molded product of the present substrate may include the thermoplastic resin composition of the present substrate, and has excellent transparency, gloss, heat resistance, weather resistance, and impact resistance, making it applicable to high-quality fields requiring transparency.
- the molded product may be, for example, an injection molded product, a film, or a sheet.
- the thermoplastic resin composition of the present substrate has the advantage of being able to provide higher quality than the quality required in the market in terms of impact resistance, heat resistance, weather resistance, transparency, and gloss. .
- the molded product may be an automobile interior material, automobile exterior material, building material, home appliance, or medical part.
- transparency, gloss, heat resistance, weather resistance, and impact resistance are all excellent, so it has the advantage of satisfying all market requirements. there is.
- the manufacturing method of the molded product preferably includes (A) a polymerized seed containing 45 to 72 wt% of an alkyl acrylate and 28 to 55 wt% of an aromatic vinyl compound, surrounding the seed and comprising 78 to 91 wt% of alkyl acrylate and an aromatic vinyl compound.
- a polymerized rubber core containing 9 to 22% by weight of a vinyl compound, and surrounding the rubber core and comprising 65 to 82% by weight of an aromatic vinyl compound, 12 to 30% by weight of a vinyl cyan compound, and 3 to 15% by weight of an alkyl acrylate.
- An alkyl acrylate-aromatic vinyl compound-vinyl cyan compound graft copolymer comprising a graft shell polymerized by: and (B) a non-grafted copolymer comprising an alkyl (meth)acrylate, an aromatic vinyl compound, a vinyl cyan compound, and an imide compound; kneaded and extruded under conditions of 180 to 300° C. and 80 to 400 rpm.
- Equations 1 and 2 r1 is the average radius (nm) from the center of the graft copolymer to the polymer seed, and r2 is the average radius (nm) from the center of the graft copolymer to the rubber core.
- Non-grafted copolymer PMI-T-MS copolymer comprising 75% by weight of methyl methacrylate, 18% by weight of styrene, 1% by weight of acrylonitrile, and 6% by weight of N-phenylmaleimide. (Weight average molecular weight 100,000 g/mol, glass transition temperature 120 °C, flow index 11 g/10min)
- Non-grafted copolymer SAN copolymer containing 73% by weight of styrene and 27% by weight of acrylonitrile
- Graft copolymer a rubber core containing 85% by weight of butyl acrylate and 15% by weight of styrene and having an average particle diameter of 90 mm, and surrounding the rubber core, 72% by weight of styrene, 20% by weight of acrylonitrile, and A graft copolymer comprising a graft shell consisting of 8% by weight of butyl acrylate (45% by weight rubber core and 55% by weight graft shell)
- UV absorber Tinuvin 770 (BASF), Tinuvin P (BASF)
- 'BA' 60% by weight of butyl acrylate
- 'SM' 40% by weight of styrene
- BA butyl acrylate
- 'SM' 40% by weight of styrene
- BA styrene
- 'AN' acrylonitrile
- BA acrylonitrile
- 50 parts by weight of the prepared graft copolymer (A) and 50 parts by weight of the PMI-T-MS copolymer (B-1) were mixed with 1 part by weight of a lubricant, 1 part by weight of an antioxidant, and 0.6 parts by weight of an ultraviolet stabilizer and incubated at 220°C. and kneading and extrusion at 200 rpm to prepare pellets.
- the manufactured pellets were injected at a molding temperature of 220°C to produce an injection specimen for measuring physical properties, and the manufactured pellets were extruded using a single-screw film extruder under conditions of 220°C and 200 rpm to produce an extruded specimen for measuring physical properties.
- Example 1 The same procedure as in Example 1 was carried out except that the graft copolymer (A) in Example 1 was changed to a graft copolymer (A) polymerized with the components and contents shown in Tables 1 and 2 below. .
- Example 1 The same procedure as Example 1 was carried out except that the (A) graft copolymer in Example 1 was changed to the (A) graft copolymer polymerized with the components and contents shown in Tables 3 and 4 below. .
- Example 1 was carried out in the same manner as in Example 1 except that (B-1) PMI-T-MS copolymer was changed to (B-2) SAN copolymer.
- An injection specimen for measuring physical properties was produced by injecting transparent acrylonitrile-butadiene-styrene resin (LG Chemical, TR557).
- Wti weight fraction (%) of each component in the copolymer
- RIi refractive index of the polymer of each component of the copolymer
- Average particle diameter (nm) of polymer seed, rubber core, and graft shell Sampled when polymer seed production, rubber core production, and graft shell production were completed, respectively, and measured using dynamic light scattering.
- the intensity value was measured in Gaussian mode using a particle meter (product name: Nicomp 380, manufacturer: PSS).
- 0.1 g of latex with a total solid content of 35 to 50% by weight is prepared as a sample by diluting 1,000 to 5,000 times with distilled water.
- the measurement method is auto-dilution and measurement using a flow cell, and the measurement mode is dynamic light scattering. Dynamic light scattering method/Intensity 300KHz/Intensity-weight Gaussian Analysis was used, and the setting values were measured at a temperature of 23°C and a measurement wavelength of 632.8 nm.
- r1 is the average particle diameter of the seed divided in half
- r2 is the average particle diameter of the core including the seed divided in half.
- Izod impact strength (IMP; kgf ⁇ cm/cm): Measured at room temperature (20 ⁇ 5°C) using an injection specimen with a thickness of 1/4" according to ASTM D256.
- Haze was measured in accordance with ASTM D1003 for injection specimens with a thickness of 3 mm and extrusion specimens with a thickness of 0.15 mm. The lower the haze, the better the transparency.
- Glossiness of injection specimen Glossiness was measured at 45° using an injection specimen with a thickness of 3 mm according to ASTM D2457.
- Glossiness of extruded specimen Glossiness was measured at 60° with an extruded specimen with a thickness of 0.15 mm according to ASTM D2457.
- thermoplastic resin composition Add 30 g of acetone to 0.5 g of thermoplastic resin composition pellet and stir at 210 rpm for 12 hours at room temperature (SKC-6075, Lab companion) Then, this was centrifuged at 18,000 rpm at 0°C for 3 hours using a centrifuge (Supra R30, Hanil Science Co., Ltd.) to separate the gel, which is an insoluble material that does not dissolve in acetone, and the sol, which is a soluble material.
- each refractive index was measured at room temperature (20 ⁇ 5 °C) using an Abbe refractometer according to ASTM D542. Then, their differences were calculated.
- Vicat softening point temperature (Vicat, °C): Measured under a temperature increase rate of 50 °C/min and a load of 50 N according to ASTM D1525.
- ⁇ E Accelerated weather resistance test device (Weather-o-meter, ATLAS, Ci4000, xenon arc lamp, Quartz(inner)/S.Boro(outer) filter, irradiance 0.55 W/m 2 at 340 nm) After leaving it for 3,000 hours under SAE J1960 conditions, the degree of discoloration was measured using a colorimeter, and ⁇ E was calculated using Equation 7 below.
- ⁇ E below is the arithmetic mean value of the L, a, and b values measured on the specimen before and after the accelerated weathering test using the CIE LAB color coordinate system. The closer the ⁇ E value is to 0, the better the weathering resistance is.
- L', a', and b' are the L, a, and b values measured with the CIE LAB color coordinate system, respectively, after leaving the specimen for 3,000 hours under SAE J1960 conditions
- L 0 , a 0 , b 0 is the L, a, and b values measured respectively using the CIE LAB color coordinate system before leaving.
- Example 1 Example 2 Example 3 Example 4 Example 5
- Example 6 that la print crack ball middle bout sifter seed BA/SM (% by weight) 60/40 60/40 55/45 65/35 60/40 60/40 core BA/SM (% by weight) 87/13 85/15 87/13 87/13 87/13 87/13 shell SM/AN/BA (% by weight) 72/20/8 72/20/8 72/20/8 72/20/8 72/20/8 2*r2 (nm) 240 240 240 240 240 240 240 240 240 r2-r1 (nm) 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35
- Example 10 that la print crack ball middle bout sifter seed BA/SM (% by weight) 60/40 60/40 60/40 60/40 core BA/SM (% by weight) 87/13 87/13 87/13 shell SM/AN/BA (% by weight) 76/16/8 71/18/11 71/24/5 68/22/10 2*r2 (nm) 240 240 240 240 r2-r1 (nm) 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35 35
- thermoplastic resin composition according to the present invention (Examples 1 to 10) was confirmed to have excellent impact strength, haze, gloss, and weather resistance compared to Comparative Examples 1 to 11. .
- Examples 5 and 6 including the (C) graft copolymer had excellent impact resistance and heat resistance, as well as haze, gloss, and weather resistance.
- Comparative Examples 1 and 2 in which the composition ratio of the polymer seed of the (A) graft copolymer was outside the scope of the present invention, had a difference in the refractive index of the seed of the graft copolymer (A) and (B-1) PMI-T-MS. Due to the large difference between the refractive index of the copolymer and the difference between the sol and gel in the thermoplastic resin composition, haze and gloss were reduced in both injection and extrusion specimens, weather resistance was poor, and Comparative Example 1 also had low impact strength.
- Comparative Examples 3 and 4 in which the composition ratio of the rubber core of the (A) graft copolymer is outside the scope of the present invention, are due to the difference in refractive index between the sol and the gel in the thermoplastic resin composition and/or the rubber of the (A) graft copolymer. Because the difference between the refractive index of the core and the graft shell was large, haze and gloss were reduced and weather resistance was poor in both injection and extrusion specimens, and Comparative Example 4 also had low impact strength.
- Comparative Examples 5 and 6 in which the composition of the graft shell of the (A) graft copolymer is outside the scope of the present invention, are due to the difference in refractive index of the sol and gel in the thermoplastic resin composition and/or the difference in refractive index of the (A) graft copolymer. Because the difference between the refractive index of the rubber core and the graft shell was large, haze and gloss decreased and weather resistance was poor in both injection and extrusion specimens.
- Comparative Example 9 which included only butyl acrylate in the seed and core and styrene and acrylonitrile in the shell, as in the prior art, showed (A) the difference between the refractive index of the core of the graft copolymer and the refractive index of the shell.
- (A) The difference between the refractive index of the polymer seed of the graft copolymer and (B-1) the refractive index of the PMI-T-MS copolymer, and the difference between the refractive index of the sol and gel in the thermoplastic resin composition are large, resulting in injection specimens and extrusion. Haze and gloss were significantly low in all specimens.
- Comparative Example 10 in which the (B-1) PMI-T-MS copolymer was changed to the (B-2) SAN copolymer, showed the difference between the refractive index of the polymer seed of the (A) graft copolymer and the (B-2) SAN copolymer.
- the difference between the refractive index of the polymer and the refractive index of the sol and gel in the thermoplastic resin composition was large, so the haze and gloss were greatly reduced in both injection and extrusion specimens, and the heat distortion temperature, Vicat softening point temperature, and weather resistance were poor.
- Comparative Example 11 which was a transparent acrylonitrile-butadiene-styrene resin, had very poor weather resistance, heat distortion temperature, and Vicat softening point temperature.
- compositions, composition ratio, and refractive index difference of the polymer seed, core, and shell constituting the alkyl acrylate-aromatic vinyl compound-vinyl cyan compound graft copolymer are adjusted within a predetermined range, (When narrowing the difference between the refractive index of the polymer seed of the grafted copolymer (A) and (B) the refractive index of the non-grafted copolymer, the effect of excellent impact resistance, heat resistance, and weather resistance as well as transparency and gloss was confirmed.
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Abstract
Description
구 분 | 실시예 1 | 실시예 2 | 실시예 3 | 실시예 4 | 실시예 5 | 실시예 6 | ||
(A) 그 라 프 트 공 중 합 체 |
시드 | BA/SM(중량%) | 60/40 | 60/40 | 55/45 | 65/35 | 60/40 | 60/40 |
코어 | BA/SM(중량%) | 87/13 | 85/15 | 87/13 | 87/13 | 87/13 | 87/13 | |
쉘 | SM/AN/BA(중량%) | 72/20/8 | 72/20/8 | 72/20/8 | 72/20/8 | 72/20/8 | 72/20/8 | |
2*r2 (nm) | 240 | 240 | 240 | 240 | 240 | 240 | ||
r2-r1 (nm) | 35 | 35 | 35 | 35 | 35 | 35 | ||
코어의 굴절률과 쉘의 굴절률과의 차이 |
0.088 | 0.086 | 0.088 | 0.088 | 0.088 | 0.088 | ||
열가 소성 수지 조성 물 |
(A) 그라프트 공중합체 (중량%) |
50 | 50 | 50 | 50 | 30 | 35 | |
(B-1) PMI-T-MS 공중합체 (중량%) |
50 | 50 | 50 | 50 | 50 | 50 | ||
(C) 그라프트 공중합체 (중량%) |
- | - | - | - | 20 | 15 | ||
(A) 그라프트 공중합체의 시드의 굴절률과 (B) 비그라프트 공중합체의 굴절률과의 차이 |
0.003 | 0.003 | 0.004 | 0.009 | 0.003 | 0.003 | ||
사출시편 | 헤이즈(%) | 3 | 3.1 | 3.3 | 2.9 | 2.2 | 2.4 | |
IMP(kgf·cm/cm) | 14 | 12 | 13 | 14 | 13 | 13 | ||
광택도 | 135 | 132 | 137 | 134 | 140 | 139 | ||
HDT(℃) | 92.7 | 92.9 | 92.8 | 92.5 | 92.7 | 92.6 | ||
Vicat(℃) | 100.8 | 100.9 | 101 | 100.7 | 100.7 | 100.6 | ||
내후성(△E) | 2.5 | 2.4 | 2.3 | 2.5 | 2.1 | 2.2 | ||
압출시편 | 헤이즈(%) | 1.8 | 1.9 | 1.9 | 1.7 | 1.5 | 1.6 | |
광택도 | 125 | 123 | 124 | 125 | 133 | 131 | ||
열가소성 수지 조성물에서 졸과 겔의 굴절률의 차이 |
0.0022 | 0.0017 | 0.002 | 0.0042 | 0.0023 | 0.002 |
구 분 | 실시예 7 | 실시예 8 | 실시예 9 | 실시예 10 | ||
(A) 그 라 프 트 공 중 합 체 |
시드 | BA/SM(중량%) | 60/40 | 60/40 | 60/40 | 60/40 |
코어 | BA/SM(중량%) | 87/13 | 87/13 | 87/13 | 87/13 | |
쉘 | SM/AN/BA(중량%) | 76/16/8 | 71/18/11 | 71/24/5 | 68/22/10 | |
2*r2 (nm) | 240 | 240 | 240 | 240 | ||
r2-r1 (nm) | 35 | 35 | 35 | 35 | ||
코어의 굴절률과 쉘의 굴절률과의 차이 |
0.091 | 0.086 | 0.089 | 0.084 | ||
열가 소성 수지 조성 물 |
(A) 그라프트 공중합체 (중량%) |
50 | 50 | 50 | 50 | |
(B-1) PMI-T-MS 공중합체 (중량%) |
50 | 50 | 50 | 50 | ||
(C) 그라프트 공중합체(중량%) |
- | - | - | - | ||
(A) 그라프트 공중합체의 시드의 굴절률과 (B) 비그라프트 공중합체의 굴절률과의 차이 |
0.003 | 0.003 | 0.003 | 0.003 | ||
사출시편 | 헤이즈(%) | 3.4 | 3.2 | 3.1 | 3.3 | |
IMP(kgf·cm/cm) | 14 | 15 | 13 | 15 | ||
광택도 | 134 | 133 | 136 | 131 | ||
HDT(℃) | 92.6 | 92.3 | 92.9 | 92.2 | ||
Vicat(℃) | 100.6 | 100.2 | 101.1 | 100.3 | ||
내후성(△E) | 2.7 | 2.6 | 2.7 | 2.3 | ||
압출시편 | 헤이즈(%) | 1.9 | 1.7 | 1.8 | 1.9 | |
광택도 | 123 | 122 | 125 | 122 | ||
열가소성 수지 조성물에서 졸의 겔의 굴절률의 차이 |
0.0033 | 0.0020 | 0.0029 | 0.0024 |
구 분 | 비교예 1 | 비교예 2 | 비교예 3 | 비교예 4 | 비교예 5 | 비교예 6 | ||
(A) 그 라 프 트 공 중 합 체 |
시드 | BA/SM(중량%) | 20/80 | 80/20 | 60/40 | 60/40 | 60/40 | 60/40 |
코어 | BA/SM(중량%) | 87/13 | 87/13 | 95/5 | 70/30 | 87/13 | 87/13 | |
쉘 | SM/AN/BA(중량%) | 72/20/8 | 72/20/8 | 72/20/8 | 72/20/8 | 72/8/20 | 75/25/0 | |
2*r2 (nm) | 240 | 240 | 240 | 240 | 240 | 240 | ||
r2-r1 (nm) | 35 | 35 | 35 | 35 | 35 | 35 | ||
코어의 굴절률과 쉘의 굴절률과의 차이 |
0.088 | 0.088 | 0.099 | 0.066 | 0.081 | 0.096 | ||
열가 소성 수지 조성 물 |
(A) 그라프트 공중합체 (중량%) |
50 | 50 | 50 | 50 | 50 | 50 | |
(B-1) PMI-T-MS 공중합체 (중량%) |
50 | 50 | 50 | 50 | 50 | 50 | ||
(C) 그라프트 공중합체(중량%) |
- | - | - | - | - | - | ||
(A) 그라프트 공중합체의 시드의 굴절률과 (B) 비그라프트 공중합체의 굴절률과의 차이 |
0.049 | 0.029 | 0.003 | 0.003 | 0.003 | 0.003 | ||
사출시편 | 헤이즈(%) | 42.1 | 27.2 | 45.6 | 40.3 | 44.1 | 51.8 | |
IMP(kgf·cm/cm) | 6 | 15 | 17 | 6 | 9 | 10 | ||
광택도 | 91 | 97 | 90 | 95 | 91 | 92 | ||
HDT(℃) | 93.1 | 91.6 | 92.2 | 92.6 | 92.1 | 93.3 | ||
Vicat(℃) | 102 | 100.1 | 100.4 | 100.7 | 100.3 | 102.5 | ||
내후성(△E) | 3.3 | 3.5 | 3 | 3.1 | 2.9 | 3 | ||
압출시편 | 헤이즈(%) | 5.1 | 4.7 | 5 | 4.6 | 4.8 | 5.9 | |
광택도 | 90 | 96 | 91 | 93 | 87 | 88 | ||
열가소성 수지 조성물에서 졸과 겔의 굴절률의 차이 |
0.0154 | 0.0088 | 0.0100 | 0.0115 | 0.0094 | 0.0101 |
구 분 | 비교예 7 | 비교예 8 | 비교예 9 | 비교예 10 | 비교예 11 | ||
(A) 그 라 프 트 공 중 합 체 |
시드 | BA/SM(중량%) | 60/40 | 60/40 | 100/0 | 60/40 | - |
코어 | BA/SM(중량%) | 87/13 | 87/13 | 100/0 | 87/13 | - | |
쉘 | SM/AN/BA(중량%) | 72/20/8 | 72/20/8 | 75/25/0 | 72/20/8 | - | |
2*r2 (nm) | 360 | 160 | 240 | 240 | - | ||
r2-r1 (nm) | 53 | 23 | 35 | 35 | - | ||
코어의 굴절률과 쉘의 굴절률과의 차이 |
0.088 | 0.088 | 0.113 | 0.088 | - | ||
열가 소성 수지 조성 물 |
(A) 그라프트 공중합체 (중량%) |
50 | 50 | 50 | 50 | - | |
(B-1) PMI-T-MS 공중합체 (중량%) |
50 | 50 | 50 | - | - | ||
(B-2) SAN 공중합체 (중량%) |
- | - | - | 50 | - | ||
(C) 그라프트 공중합체 (중량%) |
- | - | - | - | - | ||
(A) 그라프트 공중합체의 시드의 굴절률과 (B) 비그라프트 공중합체의 굴절률과의 차이 |
0.003 | 0.003 | 0.055 | 0.058 | - | ||
사출시편 | 헤이즈(%) | 16.7 | 2.6 | 57.3 | 58.4 | 2.1 | |
IMP(kgf·cm/cm) | 16 | 5 | 15 | 13 | 17 | ||
광택도 | 111 | 142 | 93 | 90 | 152 | ||
HDT(℃) | 92.8 | 92.5 | 93.2 | 82.4 | 81.3 | ||
Vicat(℃) | 100.9 | 100.9 | 102.1 | 92.8 | 89.5 | ||
내후성(△E) | 2.6 | 2.1 | 2.7 | 3.7 | 8.7 | ||
압출시편 | 헤이즈(%) | 3 | 1.6 | 7.1 | 7.9 | - | |
광택도 | 103 | 135 | 93 | 85 | - | ||
열가소성 수지 조성물에서 졸과 겔의 굴절률의 차이 |
0.0023 | 0.0022 | 0.0259 | 0.0456 | - |
Claims (16)
- (A) 시드, 상기 시드를 감싸는 고무 코어, 및 상기 고무 코어를 감싸는 그라프트 쉘,을 포함하는 알킬 아크릴레이트-방향족 비닐 화합물-비닐시안 화합물 그라프트 공중합체; 및(B) 알킬 (메트)아크릴레이트, 방향족 비닐 화합물, 비닐시안 화합물, 및 이미드계 화합물을 포함하여 이루어진 비그라프트 공중합체;를 포함하는 열가소성 수지 조성물로,상기 (A) 그라프트 공중합체는 하기 수학식 1을 만족시키며,상기 열가소성 수지 조성물은 아세톤을 가한 후 교반 및 원심분리하여 졸(sol)과 겔(gel)로 분리하여 측정한 졸과 겔의 굴절률 차이가 0.006 이하이고, ASTM D1003에 의거하여 두께 3 mm의 사출시편으로 측정한 헤이즈가 10 % 이하이며, ASTM D256에 의거하여 두께 1/4"인 시편으로 상온에서 측정한 아이조드 충격강도가 10 kgf·cm/cm 이상인 것을 특징으로 하는열가소성 수지 조성물.[수학식 1]180 ≤ 2*r2 ≤ 300(상기 수학식 1에서 r2는 상기 그라프트 공중합체의 중심으로부터 코어까지의 두께(nm)이다.)
- (A) 알킬 아크릴레이트 45 내지 72 중량% 및 방향족 비닐 화합물 28 내지 55 중량%를 포함하여 중합된 시드, 상기 시드를 감싸고 알킬 아크릴레이트 78 내지 91 중량% 및 방향족 비닐 화합물 9 내지 22 중량%를 포함하여 중합된 고무 코어, 및 상기 고무 코어를 감싸고 방향족 비닐 화합물 65 내지 82 중량%, 비닐시안 화합물 12 내지 30 중량%, 및 알킬 아크릴레이트 3 내지 15 중량%를 포함하여 중합된 그라프트 쉘,을 포함하는 알킬 아크릴레이트-방향족 비닐 화합물-비닐시안 화합물 그라프트 공중합체; 및(B) 알킬 (메트)아크릴레이트, 방향족 비닐 화합물, 비닐시안 화합물, 및 이미드계 화합물을 포함하여 이루어진 비그라프트 공중합체;를 포함하고,상기 (A) 그라프트 공중합체는 하기 수학식 1 및 2를 동시에 만족시키는 것을 특징으로 하는열가소성 수지 조성물.[수학식 1]180 ≤ 2*r2 ≤ 300[수학식 2]25 ≤ r2 -r1 ≤ 45(상기 수학식 1, 2에서 r1은 상기 그라프트 공중합체의 중심으로부터 시드까지의 두께(nm)이고, r2는 상기 그라프트 공중합체의 중심으로부터 코어까지의 두께(nm)이다.)
- 제1항 또는 제2항에 있어서,상기 (A) 그라프트 공중합체는 고무 코어의 굴절률과 쉘의 굴절률과의 차이가 0.093 이하인 것을 특징으로 하는열가소성 수지 조성물.
- 제1항 또는 제2항에 있어서,상기 (A) 그라프트 공중합체의 중합체 시드의 굴절률은 상기 (B) 비그라프트 공중합체의 굴절률과의 차이가 0.015 이하인 것을 특징으로 하는열가소성 수지 조성물.
- 제1항 또는 제2항에 있어서,상기 (A) 그라프트 공중합체는 이의 총 100 중량%에 대해 중합체 시드 5 내지 35 중량%, 고무 코어 25 내지 55 중량% 및 그라프트 쉘 25 내지 55 중량%를 포함하는 것을 특징으로 하는열가소성 수지 조성물.
- 제1항 또는 제2항에 있어서,상기 (B) 비그라프트 공중합체는 알킬 (메트)아크릴레이트 60 내지 90 중량%, 방향족 비닐 화합물 3 내지 33 중량% 및 비닐시안 화합물 0.1 내지 20 중량%, 및 이미드계 화합물 0.1 내지 20 중량%를 포함하여 이루어진 것을 특징으로 하는열가소성 수지 조성물.
- 제1항 또는 제2항에 있어서,상기 (B) 비그라프트 공중합체에서 이미드계 화합물은 N-페닐말레이미드, 말레이미드, N-메틸말레이미드, N-에틸말레이미드, N-프로필말레이미드, N-부틸말레이미드, N-이소부틸말레이미드, N-시클로헥실말레이미드, 및 N-벤질말레이미드로 이루어진 군으로부터 선택된 1종 이상인 것을 특징으로 하는열가소성 수지 조성물.
- 제1항 또는 제2항에 있어서,상기 열가소성 수지 조성물은 (A) 그라프트 공중합체 10 내지 90 중량% 및 (B) 비그라프트 공중합체 10 내지 90 중량%를 포함하는 것을 특징으로 하는열가소성 수지 조성물.
- 제1항 또는 제2항에 있어서,상기 열가소성 수지 조성물은 (C) 고무 코어의 평균입경 50 내지 150 nm인 알킬 아크릴레이트-방향족 비닐 화합물-비닐시안 화합물 그라프트 공중합체를 포함하는 것을 특징으로 하는열가소성 수지 조성물.
- 제2항에 있어서,상기 열가소성 수지 조성물은 아세톤을 가한 후 교반 및 원심분리하여 졸(sol)과 겔(gel)로 분리하여 측정한 졸과 겔의 굴절률 차이가 0.006 이하인 것을 특징으로 하는열가소성 수지 조성물.
- 제2항에 있어서,상기 열가소성 수지 조성물은 ASTM D1003에 의거하여 두께 3 mm의 사출시편으로 측정한 헤이즈가 10 % 이하인 것을 특징으로 하는열가소성 수지 조성물.
- 제1항 또는 제2항에 있어서,상기 열가소성 수지 조성물은 ASTM D2457에 의거하여 45°에서 두께 3 mm의 사출시편으로 측정한 광택도가 122 이상인 것을 특징으로 하는열가소성 수지 조성물.
- 제2항에 있어서,상기 열가소성 수지 조성물은 ASTM D256에 의거하여 두께 1/4"인 시편으로 상온에서 측정한 아이조드 충격강도가 10 kgf·cm/cm 이상인 것을 특징으로 하는열가소성 수지 조성물.
- (A) 알킬 아크릴레이트 45 내지 72 중량% 및 방향족 비닐 화합물 28 내지 55 중량%를 포함하여 중합된 시드, 상기 시드를 감싸고 알킬 아크릴레이트 78 내지 91 중량% 및 방향족 비닐 화합물 9 내지 22 중량%를 포함하여 중합된 고무 코어, 및 상기 고무 코어를 감싸고 방향족 비닐 화합물 65 내지 82 중량%, 비닐시안 화합물 12 내지 30 중량%, 및 알킬 아크릴레이트 3 내지 15 중량%를 포함하여 중합된 그라프트 쉘,을 포함하는 알킬 아크릴레이트-방향족 비닐 화합물-비닐시안 화합물 그라프트 공중합체; 및 (B) 알킬 (메트)아크릴레이트, 방향족 비닐 화합물, 비닐시안 화합물, 및 이미드계 화합물을 포함하여 이루어진 비그라프트 공중합체;를 포함하여 180 내지 300 ℃ 및 80 내지 400 rpm 조건 하에서 혼련 및 압출하는 단계를 포함하되,상기 (A) 그라프트 공중합체는 하기 수학식 1 및 2를 동시에 만족시키는 것을 특징으로 하는열가소성 수지 조성물의 제조방법.[수학식 1]180 ≤ 2*r2 ≤ 300[수학식 2]25 ≤ r2 -r1 ≤ 45(상기 수학식 1, 2에서 r1은 상기 그라프트 공중합체의 중심으로부터 시드까지의 두께(nm)이고, r2는 상기 그라프트 공중합체의 중심으로부터 코어까지의 두께(nm)이다.)
- 제14항에 있어서상기 혼련 및 압출하는 단계는 (C) 고무 코어의 평균입경 50 내지 150 nm인 알킬 아크릴레이트-방향족 비닐 화합물-비닐시안 화합물 그라프트 공중합체를 포함하는 것을 특징으로 하는열가소성 수지 조성물의 제조방법.
- 제1항 내지 제13항 중 어느 한 항의 열가소성 수지 조성물을 포함하는 것을 특징으로 하는성형품.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP23817934.5A EP4339243A1 (en) | 2022-06-15 | 2023-05-31 | Thermoplastic resin composition, preparation method therefor, and molded product manufactured therefrom |
US18/574,502 US20240301192A1 (en) | 2022-06-15 | 2023-05-31 | Thermoplastic resin composition, method of preparing the same, and molded article manufactured using the same |
JP2024503969A JP2024527877A (ja) | 2022-06-15 | 2023-05-31 | 熱可塑性樹脂組成物、その製造方法及びそれから製造された成形品 |
CN202380012640.1A CN117597393A (zh) | 2022-06-15 | 2023-05-31 | 热塑性树脂组合物、其制备方法以及使用其制造的成型品 |
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EP (1) | EP4339243A1 (ko) |
JP (1) | JP2024527877A (ko) |
KR (1) | KR20230172110A (ko) |
CN (1) | CN117597393A (ko) |
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WO (1) | WO2023243909A1 (ko) |
Citations (6)
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US3944631A (en) * | 1974-02-01 | 1976-03-16 | Stauffer Chemical Company | Acrylate-styrene-acrylonitrile composition and method of making the same |
KR20130075793A (ko) * | 2011-12-28 | 2013-07-08 | 제일모직주식회사 | 외관 및 착색성이 우수한 열가소성 수지 조성물 |
KR101333578B1 (ko) * | 2010-12-29 | 2013-11-27 | 제일모직주식회사 | 내후성이 우수한 다층구조 충격보강제, 그 제조방법 및 이를 포함한 열가소성 수지 조성물 |
KR101441315B1 (ko) * | 2011-12-30 | 2014-09-19 | 제일모직주식회사 | 내충격성, 내후성, 및 착색성이 우수한 asa 그라프트 공중합체 및 그 제조방법 |
KR20220020200A (ko) * | 2020-08-11 | 2022-02-18 | 주식회사 엘지화학 | 투명 열가소성 수지 및 이의 제조방법 |
KR20220072523A (ko) | 2020-11-25 | 2022-06-02 | 엘지전자 주식회사 | 공기조화기 |
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KR100708986B1 (ko) | 2005-05-16 | 2007-04-18 | 주식회사 엘지화학 | 다층구조의 그라프트 공중합체 및 그 제조방법 |
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2022
- 2022-06-15 KR KR1020220072523A patent/KR20230172110A/ko active Search and Examination
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- 2023-05-31 EP EP23817934.5A patent/EP4339243A1/en active Pending
- 2023-05-31 CN CN202380012640.1A patent/CN117597393A/zh active Pending
- 2023-05-31 JP JP2024503969A patent/JP2024527877A/ja active Pending
- 2023-05-31 WO PCT/KR2023/007430 patent/WO2023243909A1/ko active Application Filing
- 2023-05-31 US US18/574,502 patent/US20240301192A1/en active Pending
- 2023-06-09 TW TW112121601A patent/TW202407032A/zh unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3944631A (en) * | 1974-02-01 | 1976-03-16 | Stauffer Chemical Company | Acrylate-styrene-acrylonitrile composition and method of making the same |
KR101333578B1 (ko) * | 2010-12-29 | 2013-11-27 | 제일모직주식회사 | 내후성이 우수한 다층구조 충격보강제, 그 제조방법 및 이를 포함한 열가소성 수지 조성물 |
KR20130075793A (ko) * | 2011-12-28 | 2013-07-08 | 제일모직주식회사 | 외관 및 착색성이 우수한 열가소성 수지 조성물 |
KR101441315B1 (ko) * | 2011-12-30 | 2014-09-19 | 제일모직주식회사 | 내충격성, 내후성, 및 착색성이 우수한 asa 그라프트 공중합체 및 그 제조방법 |
KR20220020200A (ko) * | 2020-08-11 | 2022-02-18 | 주식회사 엘지화학 | 투명 열가소성 수지 및 이의 제조방법 |
KR20220072523A (ko) | 2020-11-25 | 2022-06-02 | 엘지전자 주식회사 | 공기조화기 |
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CN117597393A (zh) | 2024-02-23 |
EP4339243A1 (en) | 2024-03-20 |
JP2024527877A (ja) | 2024-07-26 |
US20240301192A1 (en) | 2024-09-12 |
KR20230172110A (ko) | 2023-12-22 |
TW202407032A (zh) | 2024-02-16 |
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