KR880010048A - Process for producing graft resin composition - Google Patents

Abstract

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Description

Method for producing a graft resin composition.

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Claims (16)

The grafting reaction obtained by the following method or a mixture of 1 to 99% by weight of the grafting precursor and 99 to 1% by weight of the polymer below is melted and kneaded at 100 to 300 ° C, characterized in that the grafting reaction is carried out. Method for producing a graft resin composition. The grafted precursor is 100 parts by weight of an ethylene-based (co) polymer suspended in water, which is separately selected from the group consisting of vanylaromatic monomers, (meth) acrylic acid ester monomers, (meth) acrylonitrile and vinyl ester monomers. 100 parts by weight of one or two or more kinds of a vinyl monomer having one or two or more kinds of a radical (co) polymerizable organic peroxide represented by the following general formula (I) or (II) 0.01 to 10 parts by weight, and a radical polymerization initiator having a decomposition temperature of 40 to 90 ° C. to obtain a half-life of 10 hours, 0.01 to 100 parts by weight of the total of the vinyl monomer and the radical (co) polymerizable organic peroxide. A solution obtained by dissolving ˜5 parts by weight is added, and heated under conditions where decomposition of the radical polymerization initiator does not substantially occur, and a vinyl monomer, a radical (co) polymerizable organic peroxide and a The temperature of this aqueous suspension is impregnated with an ethylenic (co) polymer, and the total amount of free vinyl monomers, radical (co) polymerizable organic peroxides and radical polymerization initiators is less than 50% by weight. It is a resin composition obtained by elevating and copolymerizing a vinyl monomer and a radical (co) polymerizable organic peroxide in an ethylene-based (co) polymer. The radical (co) polymerizable organic peroxide represented by said general formula (I) is a formula (Wherein R ₁ is a hydrogen atom or an alkyl group having 1 to 2 carbon atoms, R ₂ is a hydrogen atom or a methyl group, R ₃ and R ₄ are each an alkyl group having 1 to 4 carbon atoms, R ₅ is an alkyl group having 1 to 12 carbon atoms, a phenyl group, An alkyl substituted phenyl group or a C3-C12 cycloalkyl group is represented, m is 1 or 2). Moreover, the radical (co) polymerizable organic peroxide represented by said general formula (II) is a formula (Wherein R ₁ is a hydrogen atom or an alkyl group having 1 to 2 carbon atoms, R ₂ is a hydrogen atom or a methyl group, R ₃ and R ₄ are each an alkyl group having 1 to 4 carbon atoms, R ₅ is an alkyl group having 1 to 12 carbon atoms, a phenyl group, An alkyl substituted phenyl group or a C3-C12 cycloalkyl group is represented, m is 1 or 2. It is a compound represented by these. Moreover, the radical (co) polymerizable organic peroxide represented by said general formula (II) is a formula (Wherein R ₆ is a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, R ₇ is a hydrogen atom or a methyl group, R ₈ and R ₉ are each an alkyl group having 1 to 4 carbon atoms, R ₁₀ is an alkyl group having 1 to 12 carbon atoms, a phenyl group, The alkyl substituted phenyl group or a C3-C12 cycloalkyl group is represented, m is 0.1 or 2. It is a compound represented by these. The polymer forming a mixture with the grafted precursor is one selected from the group consisting of (1) an ethylenic (co) polymer, (2) vinyl aromatic monomers, (meth) acrylic acid ester monomers, (meth) acrylonitrile and vinyl ester monomers, or It is a polymer which consists of either or both of the vinyl polymers obtained by superposing | polymerizing 2 or more types of vinyl monomers. The method for producing a graft resin composition according to claim 1, wherein the ethylene polymer is a low density ethylene polymer having a density of 0.910 0.935 g / cm 3. The method for producing a graft resin composition according to claim 1, wherein the ethylene copolymer is an epoxy group-containing ethylene copolymer obtained by copolymerizing ethylene and glycidyl (meth) acrylate. The method for producing a graft resin composition according to claim 1, wherein the ethylene copolymer is an epoxy group-containing ethylene copolymer obtained by copolymerizing 60 to 99.5% by weight of ethylene with 0.5 to 40% by weight of glycidyl (meth) acrylate. The method for producing a graft resin composition according to claim 1, wherein the ethylene copolymer is made of ethylene and (meth) acrylic acid ester. The method for producing a graft resin composition according to claim 1, wherein the ethylene copolymer comprises 50 to 99% by weight of ethylene and 50 to 1% by weight of ester of (meth) acrylate. The method for producing a graft resin composition according to claim 1, wherein the ethylene copolymer is made of ethylene and vinyl ester. The method for producing a graft resin composition according to claim 7, wherein the vinyl ester is vinyl acetate. The method for producing a graft resin composition according to claim 1, wherein the ethylene copolymer comprises 50 to 99% by weight of ethylene and 50 to 1% by weight of vinyl ester. The method for producing a graft resin composition according to claim 1, wherein the ethylene copolymer is an ethylene-propylene copolymer rubber. The method for producing a graft resin composition according to claim 1, wherein the ethylene copolymer is an ethylene-propylene-diene copolymer rubber. The method for producing a graft resin composition according to claim 1, wherein the monomer composition of the ethylene-based (co) polymer kneaded into the grafting precursor is the same as that of the monomer composition of the ethylene (co) polymer in the grafting precursor. The method for producing a graft resin composition according to claim 1, wherein the density of the low density ethylene polymer kneaded into the grafting precursor is the same as that of the low density ethylene polymer in the grafting precursor. The manufacturing method of the graft resin composition of Claim 1 in which 50 weight% or more of the vinyl monomers used for manufacture of a grafting precursor consist of vinyl aromatic monomers. The manufacturing method of the graft resin composition of Claim 1 in which 50 weight% or more of the vinyl monomer used for manufacture of a grafting precursor consists of a (meth) acrylic acid ester monomer. The method for producing a graft resin composition according to claim 1, wherein the vinyl polymer and monomer composition kneaded in the grafting precursor are the same as the monomer composition of the vinyl polymer in the grafting precursor. ※ Note: This is to be disclosed based on the first application.