WO2022145727A1 - 열가소성 수지 조성물 및 이로부터 제조된 성형품 - Google Patents
열가소성 수지 조성물 및 이로부터 제조된 성형품 Download PDFInfo
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- WO2022145727A1 WO2022145727A1 PCT/KR2021/016972 KR2021016972W WO2022145727A1 WO 2022145727 A1 WO2022145727 A1 WO 2022145727A1 KR 2021016972 W KR2021016972 W KR 2021016972W WO 2022145727 A1 WO2022145727 A1 WO 2022145727A1
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- resin composition
- thermoplastic resin
- rubber
- copolymer
- Prior art date
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- BXIQXYOPGBXIEM-UHFFFAOYSA-N butyl 4,4-bis(tert-butylperoxy)pentanoate Chemical compound CCCCOC(=O)CCC(C)(OOC(C)(C)C)OOC(C)(C)C BXIQXYOPGBXIEM-UHFFFAOYSA-N 0.000 description 1
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- FJOLTQXXWSRAIX-UHFFFAOYSA-K silver phosphate Chemical compound [Ag+].[Ag+].[Ag+].[O-]P([O-])([O-])=O FJOLTQXXWSRAIX-UHFFFAOYSA-K 0.000 description 1
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Classifications
-
- 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
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Definitions
- the present invention relates to a thermoplastic resin composition and a molded article prepared therefrom. More specifically, the present invention relates to a thermoplastic resin composition having excellent low light properties, antiviral properties, weather resistance, impact resistance, and the like, and a molded article prepared therefrom.
- thermoplastic products with antiviral properties there is an increasing demand for thermoplastic products with antiviral properties.
- the number of cases of applying it as a low-light exterior material for home appliances used indoors is increasing.
- a refrigerator handle, a small home appliance (a hearing aid, a humidifier, etc.) exterior, a remote control, etc. correspond to the above use.
- a widely known material capable of expressing antiviral performance is a copper (Cu) compound.
- Cu copper
- the thermoplastic resin composition to which the existing inorganic antibacterial agent is applied has excellent antibacterial performance, it has not been confirmed whether antiviral performance is expressed.
- thermoplastic resin composition having excellent low light properties, antiviral properties, weather resistance, impact resistance, and the like.
- thermoplastic resin composition excellent in low light properties, antiviral properties, weather resistance, impact resistance, and the like.
- Another object of the present invention is to provide a molded article formed from the thermoplastic resin composition.
- thermoplastic resin composition comprises a diene-based rubber-modified vinyl-based graft copolymer, an acrylic rubber-modified vinyl-based graft copolymer, a large-diameter rubber copolymer having an average particle diameter of about 5 to about 10 ⁇ m, and an aromatic vinyl-based copolymer resin.
- a rubber-modified aromatic vinyl-based copolymer resin comprising; about 5 to about 25 parts by weight of a polyetheresteramide block copolymer; about 0.05 to about 1.5 parts by weight of a silver (Ag)-based compound; and about 1 to about 15 parts by weight of zinc oxide, wherein the 3.2 mm thick specimen measured at a 60° angle according to ASTM D523 has a glossiness of about 40 to about 70%.
- the rubber-modified aromatic vinyl-based copolymer resin is about 5 to about 15 wt% of the diene-based rubber-modified vinyl-based graft copolymer, and about 5 to about 15 wt% of the acrylic-based rubber-modified vinyl-based graft copolymer About 20% by weight, about 1 to about 5% by weight of the large particle diameter rubbery copolymer and about 55 to about 85% by weight of the aromatic vinyl-based copolymer resin.
- the polyetheresteramide block copolymer is an amino carboxylic acid, lactam or diamine-dicarboxylate having 6 or more carbon atoms; polyalkylene glycol; and a dicarboxylic acid having 4 to 20 carbon atoms. It may be a block copolymer of a reaction mixture comprising a.
- the silver-based compound may include at least one of metallic silver, silver oxide, silver halide, and a carrier containing silver ions.
- the weight ratio of the sum of the polyetheresteramide block copolymer and the silver compound and the zinc oxide is about 1: 0.1 to It can be about 1:2.
- the weight ratio of the silver-based compound and the zinc oxide may be about 1: 2 to about 1: 100.
- thermoplastic resin composition is based on the ISO 21702 evaluation method, a swine epidemic diarrhea virus or influenza A virus solution is added dropwise to a 5 cm ⁇ 5 cm specimen in accordance with the ISO 21702 evaluation method, 25 °C, RH 50% conditions
- the virus killing time measured for each time period may be about 15 hours or less.
- thermoplastic resin composition measures the initial color (L 0 * , a 0 * , b 0 * ) using a colorimeter for an injection specimen having a size of 50 mm ⁇ 90 mm ⁇ 2.5 mm And, the injection specimen is tested for 300 hours according to ASTM D4459, and the color (L 1 * , a 1 * , b 1 * ) is measured after the test using a colorimeter, and then calculated according to the following formula 1
- One color change ( ⁇ E) may be about 2.5 or less:
- Equation 1 ⁇ L * is the difference between the values of L * before and after the test (L 1 * -L 0 * ), ⁇ a * is the difference between the values of a * before and after the test (a 1 * - a 0 * ), and ⁇ b * is the difference between the values of b * before and after the test (b 1 * - b 0 * ).
- thermoplastic resin composition may have a notch Izod impact strength of about 12 to about 30 kgf ⁇ cm/cm of a 1/4′′ thick specimen measured according to ASTM D256.
- Another aspect of the invention relates to a molded article.
- the molded article is characterized in that it is formed from the thermoplastic resin composition according to any one of 1 to 9.
- the molded article may include a corrosion surface having a surface roughness of about 1 to about 50 ⁇ m measured by a surface roughness meter on at least one surface thereof.
- the present invention has the effect of providing a thermoplastic resin composition excellent in low light properties, antiviral properties, weather resistance, impact resistance, and the like, and a molded article formed therefrom.
- thermoplastic resin composition according to the present invention comprises (A) a rubber-modified aromatic vinyl-based copolymer resin; (B) a polyetheresteramide block copolymer; (C) a silver (Ag)-based compound; and (D) zinc oxide.
- the rubber-modified aromatic vinyl-based copolymer resin of the present invention can improve the low light, antiviral, and impact resistance of the thermoplastic resin composition (molded article), and (A1) a diene-based rubber-modified vinyl-based graft copolymer; (A2) an acrylic rubber-modified vinyl-based graft copolymer, (A3) a large-diameter rubber copolymer having an average particle diameter of about 5 to about 10 ⁇ m, and (A4) an aromatic vinyl-based copolymer resin.
- the diene-based rubber-modified vinyl-based graft copolymer according to an embodiment of the present invention is a polymer obtained by graft polymerization of a monomer mixture including an aromatic vinyl-based monomer and a vinyl cyanide-based monomer to a diene-based rubbery polymer.
- the diene-based rubber-modified vinyl-based graft copolymer may be obtained by graft polymerization of a monomer mixture including an aromatic vinyl-based monomer and a vinyl cyanide-based monomer to the diene-based rubbery polymer. Graft polymerization may be performed by further including a monomer that imparts processability and heat resistance to the monomer mixture.
- the polymerization may be performed by a known polymerization method such as emulsion polymerization or suspension polymerization.
- the diene-based rubber-modified vinyl-based graft copolymer may form a core (rubber polymer)-shell (copolymer of a monomer mixture) structure.
- examples of the diene-based rubbery polymer include diene-based rubbers such as polybutadiene, poly(styrene-butadiene), and poly(acrylonitrile-butadiene), and saturated rubber obtained by adding hydrogen to the diene-based rubber. have. These may be applied alone or in mixture of two or more.
- polybutadiene rubber can be used.
- the diene-based rubbery polymer (rubber particles) may have an average particle diameter (particle size) of about 200 to about 400 nm, for example, about 220 to about 380 nm.
- the thermoplastic resin composition (molded article) may have excellent impact resistance, low light properties, appearance characteristics, fluidity, and the like.
- the average particle diameter (z-average) of the diene-based rubbery polymer may be measured using a light scattering method in a latex state. Specifically, the rubbery polymer latex is filtered through a mesh to remove coagulation generated during polymerization of the rubbery polymer, and a solution of 0.5 g of latex and 30 ml of distilled water is poured into a 1,000 ml flask and distilled water is filled to prepare a sample. , 10 ml of the sample is transferred to a quartz cell, and the average particle diameter of the rubbery polymer can be measured with a light scattering particle size analyzer (malvern, nano-zs).
- a light scattering particle size analyzer malvern, nano-zs
- the content of the diene-based rubbery polymer may be about 35 to about 80% by weight, for example, about 40 to about 75% by weight, based on 100% by weight of the total diene-based rubber-modified aromatic vinyl-based graft copolymer.
- the thermoplastic resin composition (molded article) may have excellent mechanical properties, molding processability, and the like.
- the aromatic vinyl-based monomer may be graft copolymerized with the rubber polymer, for example, styrene, ⁇ -methylstyrene, ⁇ -methylstyrene, p-methylstyrene, p-t-butylstyrene, ethylstyrene.
- vinylxylene, monochlorostyrene, dichlorostyrene, dibromostyrene, vinylnaphthalene, combinations thereof, and the like can be used.
- styrene or the like may be used.
- the content of the aromatic vinyl-based monomer may be from about 2 to about 40% by weight, for example, from about 5 to about 35% by weight, based on 100% by weight of the total diene-based rubber-modified aromatic vinyl-based graft copolymer.
- the thermoplastic resin composition (molded article) may have excellent mechanical properties, molding processability, and the like.
- the cyanide-based monomer is copolymerizable with the aromatic vinyl-based monomer, and includes acrylonitrile, methacrylonitrile, ethacrylonitrile, phenylacrylonitrile, ⁇ -chloroacrylonitrile, fumaronitrile, and the like.
- acrylonitrile, methacrylonitrile, ethacrylonitrile, phenylacrylonitrile, ⁇ -chloroacrylonitrile, fumaronitrile, and the like can be exemplified. These may be used individually or in mixture of 2 or more types. For example, acrylonitrile, methacrylonitrile, etc. can be used.
- the content of the vinyl cyanide monomer may be about 1 to about 25 wt%, for example, about 1 to about 20 wt%, based on 100 wt% of the total diene-based rubber-modified aromatic vinyl-based graft copolymer.
- the thermoplastic resin composition (molded article) may have excellent mechanical properties, molding processability, and the like.
- the monomer for imparting the processability and heat resistance may include maleic anhydride, N-substituted maleimide, and the like.
- the content thereof may be about 15% by weight or less, for example, about 0.1 to about 10% by weight based on 100% by weight of the total diene-based rubber-modified aromatic vinyl-based graft copolymer. .
- processability and heat resistance can be imparted to the thermoplastic resin composition (molded article) without lowering other physical properties.
- a copolymer (g-ABS) obtained by graft polymerization of acrylonitrile and styrene to a butadiene-based rubbery polymer may be exemplified.
- the diene-based rubber-modified vinyl-based graft copolymer may be included in an amount of about 5 to about 15% by weight, for example, about 7 to about 13% by weight of 100% by weight of the rubber-modified aromatic vinyl-based copolymer resin. .
- the low light properties, antiviral properties, impact resistance, etc. of the thermoplastic resin composition (molded article) may be excellent.
- the acrylic rubber-modified vinyl-based graft copolymer according to an embodiment of the present invention is a polymer obtained by graft polymerization of a monomer mixture including an aromatic vinyl-based monomer and a vinyl cyanide-based monomer to an acrylic rubber-based polymer.
- the acrylic rubber-modified vinyl-based graft copolymer may be obtained by graft polymerization of a monomer mixture including an aromatic vinyl-based monomer and a vinyl cyanide-based monomer to the acrylic rubber-based polymer, and if necessary, the monomer mixture It can be graft-polymerized by further including a monomer that imparts processability and heat resistance to it.
- the polymerization may be performed by a known polymerization method such as emulsion polymerization or suspension polymerization.
- the acrylic rubber-modified vinyl-based graft copolymer may form a core (rubber polymer)-shell (copolymer of a monomer mixture) structure.
- the acrylic rubbery polymer may include, for example, an alkyl (meth)acrylate rubber having 2 to 10 carbon atoms. These may be applied alone or in mixture of two or more. For example, butyl acrylate rubber or the like can be used.
- the acrylic rubbery polymer may have an average particle diameter (particle size) of about 400 to about 600 nm, for example, about 420 to about 580 nm. In the above range, the low light properties, antiviral properties, impact resistance, etc. of the thermoplastic resin composition (molded article) may be excellent.
- the average particle diameter (z-average) of the acrylic rubber polymer may be measured using a light scattering method in a latex state.
- the rubbery polymer latex is filtered through a mesh to remove coagulation generated during polymerization of the rubbery polymer, and a solution of 0.5 g of latex and 30 ml of distilled water is poured into a 1,000 ml flask and distilled water is filled to prepare a sample. , 10 ml of the sample is transferred to a quartz cell, and the average particle diameter of the rubbery polymer can be measured with a light scattering particle size analyzer (malvern, nano-zs).
- a light scattering particle size analyzer malvern, nano-zs
- the content of the acrylic rubbery polymer may be about 35 to about 80% by weight, for example, about 40 to about 75% by weight, based on 100% by weight of the total acrylic rubber-modified aromatic vinyl-based graft copolymer.
- the thermoplastic resin composition (molded article) may have excellent mechanical properties, molding processability, and the like.
- the aromatic vinyl-based monomer may be graft copolymerized with the rubber polymer, for example, styrene, ⁇ -methylstyrene, ⁇ -methylstyrene, p-methylstyrene, p-t-butylstyrene, ethylstyrene.
- vinylxylene, monochlorostyrene, dichlorostyrene, dibromostyrene, vinylnaphthalene, combinations thereof, and the like can be used.
- styrene or the like may be used.
- the content of the aromatic vinyl-based monomer may be from about 2 to about 40% by weight, for example, from about 5 to about 35% by weight, based on 100% by weight of the total acrylic rubber-modified aromatic vinyl-based graft copolymer.
- the thermoplastic resin composition (molded article) may have excellent mechanical properties, molding processability, and the like.
- the cyanide-based monomer is copolymerizable with the aromatic vinyl-based monomer, and includes acrylonitrile, methacrylonitrile, ethacrylonitrile, phenylacrylonitrile, ⁇ -chloroacrylonitrile, fumaronitrile, and the like.
- acrylonitrile, methacrylonitrile, ethacrylonitrile, phenylacrylonitrile, ⁇ -chloroacrylonitrile, fumaronitrile, and the like. can be exemplified. These may be used individually or in mixture of 2 or more types. For example, acrylonitrile, methacrylonitrile, etc. can be used.
- the content of the vinyl cyanide monomer may be about 1 to about 25 wt%, for example, about 1 to about 20 wt%, based on 100 wt% of the total acrylic rubber-modified aromatic vinyl-based graft copolymer. In the above range, the thermoplastic resin composition (molded article) may
- the monomer for imparting the processability and heat resistance may include maleic anhydride, N-substituted maleimide, and the like.
- the content thereof may be about 15% by weight or less, for example, about 0.1 to about 10% by weight based on 100% by weight of the total acrylic rubber-modified aromatic vinyl-based graft copolymer.
- processability and heat resistance can be imparted to the thermoplastic resin composition (molded article) without lowering other physical properties.
- a copolymer (g-ASA) in which butyl acrylate-based rubber polymer is graft-polymerized with acrylonitrile and styrene (g-ASA) may be exemplified.
- the acrylic rubber-modified vinyl-based graft copolymer may be included in an amount of about 5 to about 20% by weight, for example, about 7 to about 18% by weight of 100% by weight of the rubber-modified aromatic vinyl-based copolymer resin.
- the low light properties, antiviral properties, impact resistance, etc. of the thermoplastic resin composition (molded article) may be excellent.
- the large particle diameter rubber copolymer according to an embodiment of the present invention has an average particle diameter of about 5 to about 10 ⁇ m, for example, about 5.5 to about 9.5 ⁇ m, which can improve the low light properties of the thermoplastic resin composition.
- the average particle diameter of the large particle diameter rubbery polymer is less than about 5 ⁇ m, there is a fear that the low light properties and antiviral properties of the thermoplastic resin composition (molded article) may decrease, and when it exceeds about 10 ⁇ m, the thermoplastic resin composition (molded article) impact resistance, appearance characteristics, etc. may be reduced.
- the average particle diameter (z-average) of the large particle diameter rubbery polymer is obtained by dissolving pellets obtained through continuous polymerization using DMF at a concentration of 3 to 5%, and adding pure DMF to a particle sizer (SYMPATEC). After placing it in the sample inlet and setting the zero point, the DMF in which the pellet is dissolved can be put into the sample inlet to measure the particle size.
- the large particle diameter rubber polymer is a rubber-modified aromatic vinyl prepared by continuous solution polymerization of a rubber polymer having a viscosity of 150 cps or more in a 5 wt% styrene solution, an aromatic vinyl-based monomer, and a monomer copolymerizable with the aromatic vinyl-based monomer. It can be included in the thermoplastic resin composition in the form of a copolymer resin (a mixture of a large particle diameter rubbery polymer (A3) having an average particle diameter of about 5 to about 10 ⁇ m in the disperse phase and a part or all of an aromatic vinyl copolymer resin (A4) in a continuous phase) have.
- a copolymer resin a mixture of a large particle diameter rubbery polymer (A3) having an average particle diameter of about 5 to about 10 ⁇ m in the disperse phase and a part or all of an aromatic vinyl copolymer resin (A4) in a continuous phase
- the large particle diameter rubbery polymer (in the form of a rubber-modified aromatic vinyl-based copolymer resin) is prepared by adding a polymerization initiator and molecular weight to a mixed solution in which the rubbery polymer, the aromatic vinyl-based monomer, and a monomer copolymerizable with the aromatic vinyl-based monomer and a solvent are mixed.
- a reaction solution is prepared by mixing a control agent; adding the reaction solution to the first reactor to polymerize at a conversion rate of about 30 to about 40%; And it can be prepared by introducing the polymer polymerized in the first reactor to the second reactor and polymerizing at a conversion rate of about 70 to about 80%.
- the mixed solution comprises about 3 to about 20% by weight of the rubbery polymer, about 50 to about 85% by weight of the aromatic vinyl-based monomer and a monomer copolymerizable with the aromatic vinylic monomer, and about 5 to about 30% by weight of the solvent may include
- a diene rubber such as polybutadiene, poly(styrene-butadiene), poly(acrylonitrile-butadiene), etc.
- hydrogenated to the diene rubber Acrylate rubbers such as saturated rubber, isoprene rubber, and polybutyl acrylate, ethylene-propylene-diene monomer terpolymer (EPDM), etc.
- EPDM ethylene-propylene-diene monomer terpolymer
- the rubbery polymer may have a viscosity of about 150 cps or more in a 5 wt% styrene solution, for example, about 150 to about 300 cps, specifically about 160 to about 200 cps. In the range of the viscosity of the styrene solution, it is possible to prepare a rubbery polymer having a large particle size.
- the aromatic vinyl monomer included in the mixed solution is styrene, ⁇ -methylstyrene, ⁇ -methylstyrene, p-methylstyrene, p-t-butylstyrene, ethylstyrene, vinylxylene, monochlorostyrene, dichlorostyrene , dibromostyrene, vinyl naphthalene, etc. can be used. These may be applied alone or in mixture of two or more.
- the monomer copolymerizable with the aromatic vinyl-based monomer included in the mixed solution includes, for example, acrylonitrile, methacrylonitrile, ethacrylonitrile, phenylacrylonitrile, ⁇ -chloroacrylonitrile , vinyl cyanide monomers such as fumaronitrile may be used, and may be used alone or in combination of two or more.
- the content of the aromatic vinyl-based monomer is about 20 to about 90% by weight, for example, about 30 to about 80% by weight, based on 100% by weight of the aromatic vinyl-based monomer and the monomer copolymerizable with the aromatic vinyl-based monomer.
- the content of the monomer copolymerizable with the aromatic vinyl-based monomer is from about 10 to about 80% by weight, for example, from about 20 to about 80% by weight of the total of 100% by weight of the aromatic vinyl-based monomer and the monomer copolymerizable with the aromatic vinyl-based monomer. about 70% by weight.
- an aromatic organic solvent may be used as the solvent.
- ethylbenzene, xylene, toluene, etc. may be used, and these may be used alone or in combination of two or more.
- the polymerization initiator preferably has a half-life of less than 10 minutes at the reactor polymerization temperature, for example, 1,1-bis(t-butylperoxy)-2-methylcyclohexane, 1,1- Bis(t-butylperoxy)cyclohexane, 2-bis(4,4-di-t-butylperoxycyclohexane)propane, t-hexyl peroxyisopropyl monocarbonate, t-butylperoxymaleic acid, t -Butyl peroxy-3,5,5-trimethylhexanoate, t-butyl peroxylaurate, 2,5-dimethyl-2,5-bis(m-toluylperoxy)hexane, t-butyl peroxy isopropyl monocarbonate, t-butyl peroxy 2-ethylhexyl monocarbonate, t-hexylperoxybenzoate, 2,5-dimethyl-2,5-di
- the amount of the polymerization initiator used may be about 0.007 to about 0.07 parts by weight, for example, about 0.01 to about 0.05 parts by weight based on about 100 parts by weight of the mixed solution. Within the above range, it is possible to reduce the decrease in appearance properties due to the residual polymerization initiator.
- the molecular weight modifier may be an alkyl mercaptan such as t-dodecyl mercaptan or n-dodecyl mercaptan.
- the amount of the molecular weight modifier used may be about 0.02 to about 1 part by weight, for example, about 0.03 to about 0.5 part by weight, based on about 100 parts by weight of the mixed solution.
- the continuous solution polymerization may generate an exothermic phenomenon due to the polymerization reaction inside the reactor, it is preferable to control it by using a method of circulating a refrigerant through a jacket, a coil, or the like.
- reaction solution to which the polymerization initiator and the molecular weight regulator are added may be added to the first reactor and polymerized at a conversion rate of about 20 to about 40%, for example, about 22 to about 38%. In the above range, polymerization can be stably performed without excessive load on the stirrer.
- the reaction temperature in the first reactor may be about 60 to about 150 °C, for example, about 70 to about 130 °C.
- the reaction temperature may be changed according to a reactor, agitation speed, a kind of polymerization initiator, and the like.
- the stirring speed in the first reactor may be about 60 to about 150 rpm, for example, about 80 to about 120 rpm, specifically about 90 to about 130 rpm.
- the stirring speed may be changed according to the size of the reactor, the type of polymerization initiator, the reaction temperature, and the like, and a large particle diameter rubbery polymer may be prepared within the above range.
- the polymer polymerized in the first reactor is introduced into the second reactor, and polymerization may be performed until the conversion rate is about 70 to about 80%. In the above range, it is possible to prepare a rubbery polymer with a large particle diameter.
- the reaction temperature in the second reactor may be about 80 to about 170 °C, for example, about 120 to about 160 °C.
- the reaction temperature may be changed according to a reactor, agitation speed, a kind of polymerization initiator, and the like.
- the stirring speed in the second reactor may be about 50 to about 100 rpm, for example, about 60 to about 95 rpm, specifically about 65 to about 90 rpm.
- the stirring speed may be changed according to the size of the reactor, the type of polymerization initiator, the reaction temperature, and the like, and a large particle diameter rubbery polymer may be prepared within the above range.
- the continuous solution polymerization may further include removing unreacted monomers and residual solvent by devolatilizing the polymer polymerized in the second reactor.
- the devolatilization process may be performed using a devolatilization tank.
- the devolatilization process may be performed using a single devolatilization tank, and in another embodiment, the devolatilization process may remove residual unreacted substances in the vertically connected first devolatilization tank and the second devolatilization tank.
- the content of the residual monomer may be about 1,500 ppm or less, for example, about 1,000 ppm or less, specifically about 700 ppm or less.
- a fall-stranding devolatilization tank (DEVO) type is suitable as the devolatilization tank (devolatilization device).
- DEVO fall-stranding devolatilization tank
- the angle of the cone is designed to minimize the residence time, and it should be able to be effectively transmitted to the lower gear pump.
- the upper and lower portions may be vertically connected to minimize the connection line between the DEVOs.
- a control valve or a regulator is installed in the first devolatilization tank DV-1 to control the pressure.
- the first devolatilizer has a pressure of about 100 to about 600 torr, such as about 200 to about 500 torr, a temperature of about 160 to about 240 °C, such as about 180 to about 220 °C, a residence time of 10 minutes. It can be operated under the following conditions. In the above range, impurities such as residual monomers can be reduced, and productivity can be excellent.
- the second devolatilization tank may be operated at a pressure of about 1 to about 50 torr, and a residence time of about 10 minutes or less, for example, about 5 minutes or less at a temperature of about 210 to about 250°C.
- the color of the rubber-modified aromatic vinyl-based copolymer resin prepared in the above range may be excellent.
- the aromatic vinyl-based copolymer resin produced during the preparation of the large particle diameter rubbery polymer has a weight average molecular weight (Mw) measured by gel permeation chromatography (GPC) of about 10,000 to about 300,000 g/mol, for example about 15,000 to about 200,000 g/mol.
- Mw weight average molecular weight measured by gel permeation chromatography
- the thermoplastic resin composition may have excellent mechanical strength, molding processability, and the like.
- the aromatic vinyl-based copolymer produced during the preparation of the large-diameter rubbery polymer may have the same composition as the aromatic vinyl-based copolymer resin (A4), and the large-diameter rubbery polymer ( Aromatic vinyl-based copolymer of a thermoplastic resin composition by adding a separate (2nd) aromatic vinyl-based copolymer resin in addition to (1) aromatic vinyl-based copolymer resin produced during manufacture (in the form of rubber-modified aromatic vinyl-based copolymer resin)
- the resin (A4) content range can be adjusted.
- the large particle diameter rubber copolymer may be included in an amount of about 1 to about 5% by weight, for example, about 1.5 to about 4% by weight of 100% by weight of the rubber-modified aromatic vinyl-based copolymer resin.
- the low light properties, antiviral properties, impact resistance, etc. of the thermoplastic resin composition (molded article) may be excellent.
- the aromatic vinyl-based copolymer resin according to an embodiment of the present invention may be an aromatic vinyl-based copolymer resin used in a conventional rubber-modified aromatic vinyl-based copolymer resin.
- the aromatic vinyl-based copolymer resin may be a polymer of a monomer mixture including an aromatic vinyl-based monomer and a vinyl cyanide-based monomer.
- the aromatic vinyl-based copolymer resin (A4) is a separate aromatic vinyl-based copolymer resin in addition to the aromatic vinyl-based copolymer resin generated during the preparation of the large-diameter rubbery polymer (rubber-modified aromatic vinyl-based copolymer resin). Therefore, it may be adjusted to the total aromatic vinyl-based copolymer resin (A4) content range of the thermoplastic resin composition.
- the aromatic vinyl-based copolymer resin may be obtained by mixing an aromatic vinyl-based monomer, a vinyl cyanide-based monomer, etc., and then polymerizing it, and the polymerization is a known polymerization such as emulsion polymerization, suspension polymerization, and bulk polymerization. method can be carried out.
- the aromatic vinyl monomer includes styrene, ⁇ -methylstyrene, ⁇ -methylstyrene, p-methylstyrene, p-t-butylstyrene, ethylstyrene, vinylxylene, monochlorostyrene, dichlorostyrene, dibromostyrene , vinyl naphthalene, etc. can be used. These may be applied alone or in mixture of two or more.
- the content of the aromatic vinyl-based monomer may be about 20 to about 90% by weight, for example, about 30 to about 80% by weight, based on 100% by weight of the total aromatic vinyl-based copolymer resin.
- the thermoplastic resin composition (molded article) may have excellent impact resistance, fluidity, appearance characteristics, and the like.
- the vinyl cyanide-based monomer may include acrylonitrile, methacrylonitrile, ethacrylonitrile, phenylacrylonitrile, ⁇ -chloroacrylonitrile, fumaronitrile, and the like. These may be used individually or in mixture of 2 or more types. For example, acrylonitrile, methacrylonitrile, etc. can be used.
- the content of the vinyl cyanide-based monomer may be about 10 to about 80 wt%, for example, about 20 to about 70 wt%, based on 100 wt% of the total aromatic vinyl-based copolymer resin.
- the thermoplastic resin composition (molded article) may have excellent impact resistance, fluidity, heat resistance, appearance characteristics, and the like.
- the aromatic vinyl-based copolymer resin may be polymerized by further including a monomer for imparting processability and heat resistance to the monomer mixture.
- a monomer for imparting the processability and heat resistance (meth)acrylic acid, N-substituted maleimide, and the like may be exemplified, but the present invention is not limited thereto.
- the content thereof may be about 15% by weight or less, for example, about 0.1 to about 10% by weight based on 100% by weight of the monomer mixture.
- processability and heat resistance can be imparted to the thermoplastic resin composition (molded article) without deterioration of other physical properties.
- the aromatic vinyl-based copolymer resin has a weight average molecular weight (Mw) of about 10,000 to about 300,000 g/mol, for example, about 15,000 to about 200,000 g/mol, measured by gel permeation chromatography (GPC).
- Mw weight average molecular weight
- the thermoplastic resin composition molded article may have excellent mechanical strength, molding processability, and the like.
- the aromatic vinyl-based copolymer resin may be included in an amount of about 55 to about 85% by weight, for example, about 60 to about 80% by weight of 100% by weight of the rubber-modified aromatic vinyl-based copolymer resin.
- the thermoplastic resin composition may have excellent transparency, impact resistance, fluidity, and balance of physical properties thereof.
- the polyetheresteramide block copolymer according to an embodiment of the present invention is applied together with a silver compound and zinc oxide to the rubber-modified aromatic vinyl-based copolymer resin, and the thermoplastic resin composition (molded article) has low light properties, antiviral properties, As those capable of improving weather resistance, impact resistance, and the like, amino carboxylic acid, lactam or diamine-dicarboxylate having 6 or more carbon atoms; polyalkylene glycol; and a dicarboxylic acid having 4 to 20 carbon atoms; a block copolymer of a reaction mixture containing may be used.
- the salt of the amino carboxylic acid, lactam or diamine-dicarboxylic acid having 6 or more carbon atoms is ⁇ -aminocaproic acid, ⁇ -aminoenanthoic acid, ⁇ -aminocaprylic acid, ⁇ -aminopelconic acid.
- aminocarboxylic acids such as acid, ⁇ -aminocapric acid, 1,1-aminoundecanoic acid, 1,2-aminododecanoic acid and the like; lactams such as caprolactam, enanthlactam, caprylactam and lauryllactam; and a salt of diamine and dicarboxylic acid such as a salt of hexamethylenediamine-adipic acid, a salt of hexamethylenediamine-isophthalic acid, and the like.
- 1,2-aminododecanoic acid, caprolactam, a salt of hexamethylenediamine-adipic acid, and the like can be used.
- the polyalkylene glycol is polyethylene glycol, poly(1,2- and 1,3-propylene glycol), polytetramethylene glycol, polyhexamethylene glycol, block or random copolymer of ethylene glycol and propylene glycol. , a copolymer of ethylene glycol and tetrahydrofuran, and the like.
- polyethylene glycol, a copolymer of ethylene glycol and propylene glycol, etc. can be used.
- examples of the dicarboxylic acid having 4 to 20 carbon atoms include terephthalic acid, 1,4-cyclohexacarboxylic acid, sebacic acid, adipic acid, and dodecanocarboxylic acid.
- the combination of the amino carboxylic acid, lactam or diamine-dicarboxylic acid salt having 6 or more carbon atoms and the polyalkylene glycol may be an ester bond, and the amino carboxylic acid, lactam or diamine having 6 or more carbon atoms, or
- the bond between the diamine-dicarboxylic acid salt and the dicarboxylic acid having 4 to 20 carbon atoms may be an amide bond, and the bond between the polyalkylene glycol and the dicarboxylic acid having 4 to 20 carbon atoms; It may be an ester bond.
- the polyetheresteramide block copolymer may be prepared by a known synthesis method, for example, prepared according to the synthesis method disclosed in Japanese Patent Publication No. 56-045419 and Japanese Patent Publication No. 55-133424. can be
- the polyetheresteramide block copolymer may include about 10 to about 95% by weight of the polyether-ester block. In the above range, the antiviral properties and impact resistance of the thermoplastic resin composition (molded article) may be excellent.
- the polyetheresteramide block copolymer may be included in an amount of about 5 to about 25 parts by weight, for example, about 8 to about 22 parts by weight, based on about 100 parts by weight of the rubber-modified aromatic vinyl-based copolymer resin. .
- the content of the polyetheresteramide block copolymer is less than about 5 parts by weight based on about 100 parts by weight of the rubber-modified aromatic vinyl-based copolymer resin, the thermoplastic resin composition (molded article) has antiviral properties, low light properties, and impact resistance. etc. may decrease, and when it exceeds about 25 parts by weight, the weather resistance, thermal stability, etc. of the thermoplastic resin composition (molded article) may be deteriorated.
- the silver-based compound according to an embodiment of the present invention is applied to the rubber-modified aromatic vinyl-based copolymer resin together with a polyetheresteramide block copolymer and zinc oxide, and the low-light properties, antiviral properties, and antiviral properties of the thermoplastic resin composition (molded article), Weather resistance, impact resistance, etc. can be improved.
- the silver-based compound is not particularly limited as long as it is a compound containing a silver component as an antibacterial agent, and may include, for example, metal silver, silver oxide, silver halide, a carrier containing silver ions, combinations thereof, and the like. Among these, a carrier containing silver ions can be used.
- the support examples include zeolite, silica gel, calcium phosphate, zirconium phosphate, phosphate-sodium-zirconium, phosphate-sodium-hydrogen-zirconium, and the like.
- the carrier preferably has a porous structure. Since the carrier of a porous structure can hold
- silver sodium hydrogen zirconium phosphate may be used as the silver-based compound.
- the silver-based compound has an average particle size (D50) measured using a particle size analyzer (Beckman Coulter, Laser Diffraction Particle Size Analyzer LS 13 320 equipment) of about 15 ⁇ m or less, for example, about 0.1 to about 12 ⁇ m.
- D50 average particle size measured using a particle size analyzer (Beckman Coulter, Laser Diffraction Particle Size Analyzer LS 13 320 equipment) of about 15 ⁇ m or less, for example, about 0.1 to about 12 ⁇ m.
- the silver-based compound may be included in an amount of about 0.05 to about 1.5 parts by weight, for example, about 0.1 to about 1.2 parts by weight, based on about 100 parts by weight of the rubber-modified aromatic vinyl-based copolymer resin.
- the content of the silver-based compound is less than about 0.05 parts by weight based on about 100 parts by weight of the rubber-modified aromatic vinyl-based copolymer resin, there is a fear that the antiviral and antibacterial properties of the thermoplastic resin composition (molded article) may decrease, and about When it exceeds 1.5 parts by weight, there is a fear that the weather resistance, impact resistance, etc. of the thermoplastic resin composition (molded article) may be deteriorated.
- the zinc oxide of the present invention is applied together with a polyetheresteramide block copolymer and zinc oxide to the rubber-modified aromatic vinyl-based copolymer resin, and the thermoplastic resin composition (molded article) has low light properties, antiviral properties, weather resistance, impact resistance, etc.
- zinc oxide applied to a conventional thermoplastic resin composition may be used.
- the zinc oxide consists of primary particles (single particles) and secondary particles formed by aggregation of the primary particles, and is measured with a particle size analyzer (Beckman Coulter, Laser Diffraction Particle Size Analyzer LS 13 320 equipment).
- One primary particle may have an average particle size (D50) of about 1 to about 50 nm, for example, about 1 to about 30 nm, and an average particle size (D50) of secondary particles of about 0.1 to about 10 ⁇ m; For example, it may be about 0.5 to about 5 ⁇ m.
- the zinc oxide may be included in an amount of about 1 to about 15 parts by weight, for example, about 2 to about 12 parts by weight, based on about 100 parts by weight of the rubber-modified aromatic vinyl-based copolymer resin.
- the content of the zinc oxide is less than about 1 part by weight based on about 100 parts by weight of the rubber-modified aromatic vinyl-based copolymer resin, there is a fear that the antiviral and antibacterial properties of the thermoplastic resin composition (molded article) may decrease, and about When it exceeds 15 parts by weight, there is a fear that the low light properties, impact resistance, colorability, etc. of the thermoplastic resin composition (molded article) may be deteriorated.
- the weight ratio of the polyetheresteramide block copolymer and the silver compound and the sum of the zinc oxide is about 1:0.1 to about 1:2, yes For example, it may be about 1: 0.15 to about 1: 1.5.
- the low light properties, antiviral properties, weather resistance, impact resistance, etc. of the thermoplastic resin composition (molded article) may be more excellent.
- the weight ratio of the silver-based compound and the zinc oxide may be about 1:2 to about 1:100, for example, about 1:3 to about 1:80.
- the antiviral property, weather resistance, impact resistance, etc. of the thermoplastic resin composition (molded article) may be more excellent.
- the thermoplastic resin composition according to an embodiment of the present invention may further include an additive included in a conventional thermoplastic resin composition.
- the additive may include, but is not limited to, a flame retardant, a filler, an antioxidant, an anti-drip agent, a lubricant, a release agent, a nucleating agent, a stabilizer, a pigment, a dye, and mixtures thereof.
- its content may be from about 0.001 to about 40 parts by weight, for example, from about 0.1 to about 10 parts by weight, based on about 100 parts by weight of the rubber-modified aromatic vinyl-based copolymer resin.
- thermoplastic resin composition according to an embodiment of the present invention is in the form of pellets that are melt-extruded at about 200 to about 280°C, for example, about 220 to about 250°C, by mixing the above components and using a conventional twin-screw extruder.
- the thermoplastic resin composition has an antiviral effect, and the glossiness of a 3.2 mm thick specimen measured at an angle of 85° according to ASTM D523 is about 40 to about 70%, for example, about 50 to about 67. It can be %. When the gloss exceeds 70%, there is a fear that the antiviral properties, impact resistance, etc. of the thermoplastic resin composition (molded article) may be reduced.
- thermoplastic resin composition is based on the ISO 21702 evaluation method, a swine epidemic diarrhea virus or influenza A virus solution is dropped on a 5 cm ⁇ 5 cm size specimen, and the virus measured at 25 ° C., RH 50% condition for each time period.
- the killing time may be up to about 15 hours, for example from about 1 to about 13 hours.
- the thermoplastic resin composition measures the initial color (L 0 * , a 0 * , b 0 * ) using a colorimeter for an injection specimen having a size of 50 mm ⁇ 90 mm ⁇ 2.5 mm, and the injection specimen is According to ASTM D4459, tested for 300 hours, and after the test using a colorimeter, the color (L 1 * , a 1 * , b 1 * ) was measured, and then the color change ( ⁇ E) calculated according to the following Equation 1 may be about 2.5 or less, for example about 1 to about 2.
- Equation 1 ⁇ L * is the difference between the values of L * before and after the test (L 1 * -L 0 * ), ⁇ a * is the difference between the values of a * before and after the test (a 1 * - a 0 * ), and ⁇ b * is the difference between the values of b * before and after the test (b 1 * - b 0 * ).
- the thermoplastic resin composition has a notch Izod impact strength of about 12 to about 30 kgf ⁇ cm/cm, for example, about 14 to about 25 kgf ⁇ cm, of a 1/4′′ thick specimen measured according to ASTM D256. It can be /cm.
- the molded article according to the present invention is formed from the thermoplastic resin composition.
- the thermoplastic resin composition may be prepared in the form of pellets, and the manufactured pellets may be manufactured into various molded articles (products) through various molding methods such as injection molding, extrusion molding, vacuum molding, and casting molding. Such a molding method is well known by those of ordinary skill in the art to which the present invention pertains.
- the molded article is useful as an antiviral exterior material for low-light products with frequent physical contact because it is excellent in low light properties, antiviral properties, weather resistance, impact resistance, and balance of physical properties thereof.
- the molded article may include, on at least one surface, a corrosion surface having a surface roughness of about 1 to about 50 ⁇ m, for example, about 5 to about 40 ⁇ m, as measured by a surface roughness meter.
- a corrosion surface having a surface roughness of about 1 to about 50 ⁇ m, for example, about 5 to about 40 ⁇ m, as measured by a surface roughness meter.
- Methods for forming corrosive surfaces are well known to those of ordinary skill in the art to which the present invention pertains.
- the antiviral properties of the molded article may be more excellent, and a low luminous product may be obtained.
- the molded article including the corroded surface has a corrosive surface gloss of about 0.5 to about 40%, for example, about 1 to about 20%, of a 3.2 mm thick specimen measured at an angle of 85° according to ASTM D523.
- a corrosive surface gloss of about 0.5 to about 40%, for example, about 1 to about 20%, of a 3.2 mm thick specimen measured at an angle of 85° according to ASTM D523.
- a core-shell type graft prepared by graft polymerization of 42 wt% of styrene and acrylonitrile (styrene/acrylonitrile: 31.5 wt%/10.5 wt%) to 58 wt% of butadiene rubber having an average particle size of 300 nm
- a copolymer g-ABS was used.
- styrene/acrylonitrile 33.5% by weight/16.5% by weight
- g-ASA graft copolymer
- a butadiene rubber having a solution viscosity of 170 cps in a 5 wt% styrene solution in a mixed solution consisting of 69.5 parts by weight of styrene and acrylonitrile (styrene:acrylonitrile (weight ratio) 78.7:21.3) and 23 parts by weight of toluene as a reaction solvent (BR-LV: INTENE 50AF) was dissolved in 7.5 parts by weight, and then 0.015 parts by weight of 1,1-bis(t-butylperoxy)cyclohexane as a polymerization initiator and 0.08 parts by weight of t-dodecyl mercaptan as a molecular weight regulator were added.
- a mixed solution was prepared.
- the prepared mixed solution was introduced into the reactor at a rate of 25 kg/hr.
- the stirring speed was set to 90 rpm, and the conversion rate was adjusted to a level of 25%.
- a core-shell type graft prepared by graft polymerization of 42 wt% of styrene and acrylonitrile (styrene/acrylonitrile: 31.5 wt%/10.5 wt%) to 58 wt% of butadiene rubber having an average particle size of 500 nm
- a copolymer g-ABS was used.
- a SAN resin (weight average molecular weight: 130,000 g/mol) prepared by polymerizing 78.7% by weight of styrene and 21.3% by weight of acrylonitrile was used.
- B2 A polypropylene-polyethylene oxide block copolymer (PP-b-PEO, manufacturer: Sanyo chemical, product name: PELECTRON PVL, refractive index: 1.50) was used.
- Silver phosphate glass (manufactured by: Fuji Chemical Industries, LTD., product name: BM-102SD) was used.
- Zinc oxide (manufacturer: SH evergy & chemical, product name: ANYZON) was used.
- the rubber-modified aromatic vinyl-based copolymer resin (A) is a rubber-modified aromatic vinyl-based copolymer resin in which a large particle diameter rubbery polymer (A3, dispersed phase) is dispersed in an aromatic vinyl-based copolymer resin (A5, continuous phase). It was prepared by adding a diene-based rubber-modified vinyl-based graft copolymer (A1), an acrylic rubber-modified vinyl-based graft copolymer (A2) and/or a rubber-modified vinyl-based graft copolymer (A4).
- Equation 1 ⁇ L * is the difference between the values of L * before and after the test (L 1 * -L 0 * ), ⁇ a * is the difference between the values of a * before and after the test (a 1 * - a 0 * ), and ⁇ b * is the difference between the values of b * before and after the test (b 1 * - b 0 * ).
- Notched Izod impact strength (unit: kgf ⁇ cm/cm): According to ASTM D256, the notched Izod impact strength of a 1/4′′ thick specimen was measured.
- thermoplastic resin composition of the present invention has excellent low light properties (glossy), antiviral properties (virus killing time), weather resistance (color change ( ⁇ E)), impact resistance (notched Izod impact strength), etc. can
- Comparative Example 2 In the case of Comparative Example 2 to which the graft copolymer (A5) is applied, it can be seen that low light properties, weather resistance, etc. are lowered, and antiviral properties are lowered compared to Example 2 having the same composition and content.
- Comparative Example 3 In the case of Comparative Example 3, in which the content of the polyetheresteramide block copolymer is less than the range of the present invention, it can be seen that antiviral properties and impact resistance are lowered, and in Comparative Example 4 in which the polyetheresteramide block copolymer is not applied In this case, it can be seen that antiviral properties, low light properties, etc.
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Abstract
Description
실시예 | |||||||
1 | 2 | 3 | 4 | 5 | 6 | 7 | |
(A1) (중량%) | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
(A2) (중량%) | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
(A3) (중량%) | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 |
(A4) (중량%) | - | - | - | - | - | - | - |
(A5) (중량%) | 74.5 | 74.5 | 74.5 | 74.5 | 74.5 | 74.5 | 74.5 |
(B1) (중량부) | 8 | 15 | 22 | 15 | 15 | 15 | 15 |
(B2) (중량부) | - | - | - | - | - | - | - |
(C) (중량부) | 0.6 | 0.6 | 0.6 | 0.1 | 1.2 | 0.6 | 0.6 |
(D) (중량부) | 8 | 8 | 8 | 8 | 8 | 2 | 12 |
광택도 | 65 | 62 | 55 | 60 | 65 | 52 | 67 |
PEDV 사멸 시간 | 10 | 6 | 2 | 9 | 5 | 9 | 5 |
인플루엔자 A 사멸 시간 | 10 | 6 | 2 | 9 | 5 | 9 | 5 |
색상 변화(ΔE) | 1.3 | 1.5 | 1.8 | 1.2 | 2 | 1.7 | 1.4 |
노치 아이조드 충격강도 | 14 | 16 | 18 | 20 | 14 | 18 | 15 |
비교예 | ||||||
1 | 2 | 3 | 4 | 5 | 6 | |
(A1) (중량%) | 10 | 10 | 10 | 10 | 10 | 10 |
(A2) (중량%) | 13 | - | 13 | 13 | 13 | 13 |
(A3) (중량%) | - | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 |
(A4) (중량%) | 2.5 | 13 | - | - | - | - |
(A5) (중량%) | 74.5 | 74.5 | 74.5 | 74.5 | 74.5 | 74.5 |
(B1) (중량부) | 15 | 15 | 4 | - | 28 | - |
(B2) (중량부) | - | - | - | - | - | 15 |
(C) (중량부) | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 |
(D) (중량부) | 8 | 8 | 8 | 8 | 8 | 8 |
광택도 | 85 | 75 | 70 | 75 | 55 | 65 |
PEDV 사멸 시간 | 10 | 9 | 24 | 48 | 3 | 6 |
인플루엔자 A 사멸 시간 | 10 | 9 | 24 | 48 | 3 | 6 |
색상 변화(ΔE) | 1.5 | 3.5 | 1.2 | 1.2 | 3 | 1.5 |
노치 아이조드 충격강도 | 22 | 20 | 11 | 22 | 20 | 10 |
비교예 | ||||
7 | 8 | 9 | 10 | |
(A1) (중량%) | 10 | 10 | 10 | 10 |
(A2) (중량%) | 13 | 13 | 13 | 13 |
(A3) (중량%) | 20 | 20 | 20 | 20 |
(A4) (중량%) | - | - | - | - |
(A5) (중량%) | 57 | 57 | 57 | 57 |
(B1) (중량부) | 15 | - | - | - |
(B2) (중량부) | - | - | - | - |
(C) (중량부) | 0.01 | 2 | 0.6 | 0.6 |
(D) (중량부) | 8 | 8 | 0.01 | 16 |
광택도 | 60 | 68 | 50 | 75 |
PEDV 사멸 시간 | 17 | 5 | 17 | 5 |
인플루엔자 A 사멸 시간 | 17 | 5 | 17 | 5 |
색상 변화(ΔE) | 1 | 4 | 2 | 1.3 |
노치 아이조드 충격강도 | 18 | 10 | 17 | 10 |
Claims (11)
- 디엔계 고무변성 비닐계 그라프트 공중합체, 아크릴계 고무변성 비닐계 그라프트 공중합체, 평균 입경이 약 5 내지 약 10 ㎛인 대입경 고무질 공중합체, 및 방향족 비닐계 공중합체 수지를 포함하는 고무변성 방향족 비닐계 공중합체 수지 약 100 중량부;폴리에테르에스테르아미드 블록 공중합체 약 5 내지 약 25 중량부;은(Ag)계 화합물 약 0.05 내지 약 1.5 중량부; 및산화아연 약 1 내지 약 15 중량부를 포함하며,ASTM D523에 의거하여 60° 각도에서 측정한 3.2 mm 두께 시편의 광택도가 약 40 내지 약 70%인 것을 특징으로 하는 열가소성 수지 조성물.
- 제1항에 있어서, 상기 고무변성 방향족 비닐계 공중합체 수지는 상기 디엔계 고무변성 비닐계 그라프트 공중합체 약 5 내지 약 15 중량%, 상기 아크릴계 고무변성 비닐계 그라프트 공중합체 약 5 내지 약 20 중량%, 상기 대입경 고무질 공중합체 약 1 내지 약 5 중량% 및 상기 방향족 비닐계 공중합체 수지 약 55 내지 약 85 중량%를 포함하는 것을 특징으로 하는 열가소성 수지 조성물.
- 제1항 또는 제2항에 있어서, 상기 폴리에테르에스테르아미드 블록 공중합체는 탄소수 6 이상의 아미노 카르복실산, 락탐 또는 디아민-디카르복실산염; 폴리알킬렌글리콜; 및 탄소수 4 내지 20의 디카르복실산;을 포함하는 반응 혼합물의 블록 공중합체인 것을 특징으로 하는 열가소성 수지 조성물.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 은계 화합물은 금속 은, 산화 은, 할로겐화 은 및 은 이온을 함유하는 담지체 중 1종 이상을 포함하는 것을 특징으로 하는 열가소성 수지 조성물.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 상기 폴리에테르에스테르아미드 블록 공중합체 및 상기 은계 화합물과 상기 산화아연의 합의 중량비(폴리에테르에스테르아미드 블록 공중합체:은계 화합물+산화아연)는 약 1 : 0.1 내지 약 1 : 2인 것을 특징으로 하는 열가소성 수지 조성물.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 은계 화합물 및 상기 산화아연의 중량비(은계 화합물:산화아연)는 약 1 : 2 내지 약 1 : 100인 것을 특징으로 하는 열가소성 수지 조성물.
- 제1항 내지 제6항 중 어느 한 항에 있어서, 상기 열가소성 수지 조성물은 ISO 21702 평가법에 의거하여, 5 cm × 5 cm 크기 시편에 돼지 유행성 설사병 바이러스 또는 인플루엔자 A 바이러스액을 적하하고, 25℃, RH 50% 조건에서 시간대 별로 측정한 바이러스 사멸 시간이 약 15 시간 이하인 것을 특징으로 하는 열가소성 수지 조성물.
- 제1항 내지 제7항 중 어느 한 항에 있어서, 상기 열가소성 수지 조성물은 50 mm × 90 mm × 2.5 mm 크기 사출 시편에 대해 색차계를 사용하여 초기 색상(L0 *, a0 *, b0 *)을 측정하고, 상기 사출 시편을 ASTM D4459에 의거하여, 300 시간 동안 테스트하고, 색차계를 사용하여 테스트 후 색상(L1 *, a1 *, b1 *)을 측정한 다음, 하기 식 1에 따라 산출한 색상 변화(ΔE)가 약 2.5 이하인 것을 특징으로 하는 열가소성 수지 조성물:[식 1]상기 식 1에서, ΔL*는 테스트 전후의 L* 값의 차이(L1 *-L0 *)이고, Δa*는 테스트 전후의 a* 값의 차이(a1 *- a0 *) 이며, Δb*는 테스트 전후의 b* 값의 차이(b1 *- b0 *)이다.
- 제1항 내지 제8항 중 어느 한 항에 있어서, 상기 열가소성 수지 조성물은 ASTM D256에 의거하여 측정한 두께 1/4" 시편의 노치 아이조드 충격강도가 약 12 내지 약 30 kgf·cm/cm인 것을 특징으로 하는 열가소성 수지 조성물.
- 제1항 내지 제9항 중 어느 한 항에 따른 열가소성 수지 조성물로부터 형성되는 것을 특징으로 하는 성형품.
- 제10항에 있어서, 상기 성형품은 적어도 1면에 표면 조도 측정기로 측정한 표면 조도가 약 1 내지 약 50 ㎛인 부식 표면을 포함하는 것을 특징으로 하는 성형품.
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- 2021-11-18 US US18/037,160 patent/US20230407074A1/en active Pending
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