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    • 3. 发明授权
    • Polyvinyl chloride composition
    • 聚氯乙烯组合物
    • US4486569A
    • 1984-12-04
    • US492872
    • 1983-05-09
    • Tamio FujitaFumiya Nagoshi
    • Tamio FujitaFumiya Nagoshi
    • C08L27/00C08L1/00C08L27/06C08L33/00C08L33/02C08L33/04C08L33/12C08L51/00C08L51/02C08L51/06C08L31/04C08L33/08
    • C08L27/06C08L51/003
    • A polyvinyl chloride composition having improved processability, high clarity, and high heat distortion temperature is prepared by blending (I) 99 to 30 parts by weight of polyvinyl chloride or vinyl chloride copolymer having at least 80 weight percent vinyl chloride; and (II) 1 to 70 parts by weight of a polymer which is obtained by polymerizing 1 to 30 weight percent of a mixture (B) comprising 40 to 80 weight percent styrene monomer and 60 to 20 weight percent alkyl ester of acrylic acid or alkyl ester of methacrylic acid, in the presence of 99 to 70 weight percent methyl methacrylate polymer (A) or copolymer (A) having more than 75 weight percent methyl methacrylate and less than 25 weight percent styrene monomer, the polymer (A) or copolymer (A) having a specific viscosity of less than 0.6.
    • 通过共混(I)99至30重量份具有至少80重量%氯乙烯的聚氯乙烯或氯乙烯共聚物,制备具有改进的加工性,高透明度和高热变形温度的聚氯乙烯组合物; 和(II)1至70重量份聚合物,其通过聚合1至30重量%的包含40至80重量%的苯乙烯单体和60至20重量%的丙烯酸或烷基的烷基酯的混合物(B) 的甲基丙烯酸酯,在99-70重量%甲基丙烯酸甲酯聚合物(A)或共聚物(A)的存在下,其具有大于75重量%的甲基丙烯酸甲酯和小于25重量%的苯乙烯单体,聚合物(A)或共聚物 A)比粘度小于0.6。
    • 4. 发明授权
    • Thermoplastic resin composition having a matte appearance
    • 具有无光泽外观的热塑性树脂组合物
    • US4761463A
    • 1988-08-02
    • US843358
    • 1986-03-24
    • Shigemi MatsumotoFumiya Nagoshi
    • Shigemi MatsumotoFumiya Nagoshi
    • C08L25/00C08F279/02C08L7/00C08L21/00C08L25/02C08L25/12C08L33/00C08L33/02C08L51/00C08L51/02C08L51/04C08L37/00
    • C08L25/12C08F279/02C08L51/04
    • A thermoplastic resin composition having a matte appearance comprising:(A) 80-5 parts by weight of a graft copolymer obtained by grafting 40-95 parts by weight of diene rubber with 60-5 parts by weight of vinyl compounds consisting of0.1-40 weight % of at least one glycidyl ester of an .alpha.- and .beta.-unsaturated acid as an essential component,10-40 weight % of at least one vinyl cyanide compound,60-90 weight % of at least one aromatic vinyl compound, and0-30 weight % of other copolymerizable vinyl compounds, and(B) 20-95 parts by weight of a copolymer obtained through reaction of10-40 weight % of at least one vinyl cyanide compound,60-90 weight % of at least one aromatic vinyl compound, and0-30 weight % of other copolymerizable vinyl compounds, the intrinsic viscosity of the resin composition in terms of its components which are soluble in methyl ethyl ketone being 0.25-1.5 dl/g (N,N'-dimethyl formamide solution, 30.degree. C.).
    • 具有无光泽外观的热塑性树脂组合物包含:(A)80-5重量份通过将40-95重量份二烯橡胶与60-5重量份由0.1-40重量份组成的乙烯基化合物接枝而获得的接枝共聚物 至少一种作为必需组分的α-和β-不饱和酸的缩水甘油酯的重量%,10-40重量%的至少一种乙烯基氰化合物,60-90重量%的至少一种芳族乙烯基化合物和0 -30重量%的其它可共聚的乙烯基化合物,和(B)20-95重量份通过将10-40重量%的至少一种乙烯基氰化合物,60-90重量%的至少一种芳族化合物 乙烯基化合物和0-30重量%的其它可共聚乙烯基化合物,根据可溶于甲基乙基酮的组分,树脂组合物的特性粘度为0.25-1.5dl / g(N,N'-二甲基甲酰胺溶液 ,30℃)。
    • 5. 发明授权
    • Thermoplastic resin compositions
    • 热塑性树脂组合物
    • US4525530A
    • 1985-06-25
    • US525433
    • 1983-08-22
    • Sigemi MathumotoHidetaka KubotaFumiya Nagoshi
    • Sigemi MathumotoHidetaka KubotaFumiya Nagoshi
    • C08L27/00C08L1/00C08L7/00C08L21/00C08L25/00C08L25/16C08L27/06C08L33/00C08L33/18C08L51/00C08L51/02C08L51/04C08L55/00C08L55/02
    • C08L25/16C08L27/06C08L51/04
    • Thermoplastic resin compositions which comprise 20-70 parts by weight of a polyvinyl chloride resin and 80-30 parts by weight of a mixed composition of the following copolymers (A) and (B) at the following ratio:(A) 90-50% by weight of a copolymer which comprises 65-90 parts by weight of .alpha.-methylstyrene with 35-10 parts by weight of acrylonitrile and 0-5 parts by weight of a copolymerizable vinyl monomer and contains 30 parts by weight or more of a component having an .alpha.-methylstyrene content of 82% by weight or higher; and(B) 10-50% by weight of a graft copolymer obtained by reacting 35-80% by weight of a conjugated diene rubber and 65-20% by weight of a monomer comprising a monovinyl aromatic compound, an unsaturated nitrile compound or an alkyl methacrylate.These compositions have greatly improved heat resistance, especially resistance to heat distortion, and impact resistance over those of polyvinyl chloride resins.
    • 包含20-70重量份聚氯乙烯树脂和80-30重量份以下共聚物(A)和(B)的混合组合物的热塑性树脂组合物按以下比例:(A)90-50% 的共聚物,其包含65-90重量份的α-甲基苯乙烯和35-10重量份的丙烯腈和0-5重量份的可共聚的乙烯基单体,并且包含30重量份或更多的具有 α-甲基苯乙烯含量为82重量%以上; 和(B)10-50重量%的通过使35-80重量%的共轭二烯橡胶和65-20重量%的包含单乙烯基芳族化合物,不饱和腈化合物或不饱和腈化合物的单体反应获得的接枝共聚物 甲基丙烯酸烷基酯。 这些组合物具有大大改善的耐热性,特别是抗热变形性,耐冲击性优于聚氯乙烯树脂。
    • 7. 发明授权
    • .alpha.-Methylstyrene high-content copolymers, a process for their
production and thermoplastic resin compositions containing
.alpha.-methylstyrene high-content copolymers blended with graft
copolymers
    • α-甲基苯乙烯高含量共聚物,其制备方法和含有与接枝共聚物共混的α-甲基苯乙烯高含量共聚物的热塑性树脂组合物
    • US4526928A
    • 1985-07-02
    • US458133
    • 1983-01-14
    • Shigemi MathumotoFumiya Nagoshi
    • Shigemi MathumotoFumiya Nagoshi
    • C08F2/00C08F212/00C08F212/10C08F212/12C08L7/00C08L21/00C08L25/00C08L25/16C08L51/00C08L51/02C08L51/04C08L55/00C08L25/12
    • C08L25/16C08F212/12C08L51/04
    • An .alpha.-methylstyrene high-content copolymer which is characterized by that it is a copolymer which comprises 65-90 parts by weight of .alpha.-methylstyrene with 35-10 parts by weight of acrylonitrile and 0-5 parts by weight of a copolymerizable vinyl monomer or monomers and that a component having an .alpha.-methylstyrene content of 82% or higher is contained in an amount of 30 parts by weight or more. Such a copolymer may be produced by a process which comprises charging 65 parts by weight or more of .alpha.-methylstyrene and 10% by weight or less based on this .alpha.-methylstyrene of acrylonitrile and a vinyl monomer or monomers all in one portion at the initial stage, making the system fully emulsified, gradually adding 35 parts by weight or less of acrylonitrile and the vinyl monomer or monomers, and carrying out emulsion polymerization until the amount of a polymer produced has amounted to 50 parts by weight or more in such way that the ratio of the .alpha.-methylstyrene monomer to the monomers other than .alpha.-methylstyrene in the system is always maintained at 90/10 or higher on the weight basis. A thermoplastic resin composition comprises the above .alpha.-methylstyrene high-content copolymer and a graft copolymer obtained by reacting a diene rubber with monomer comprising a monovinyl aromatic compound and an unsaturated nitrile compound, the diene rubber being present in an amount of 5-30 parts by weight. Molded products obtained from the composition of this invention have excellent heat resistance and impact resistance.
    • 一种α-甲基苯乙烯高含量共聚物,其特征在于它是共聚物,其包含65-90重量份的α-甲基苯乙烯和35-10重量份的丙烯腈和0-5重量份的可共聚的乙烯基单体 或单体,并且包含30重量份以上的α-甲基苯乙烯含量为82%以上的成分。 这样的共聚物可以通过以下方法制备:将α-甲基苯乙烯为65重量份或更多,基于该丙烯腈的α-甲基苯乙烯和乙烯基单体或单体的初始浓度为10重量% 阶段,使系统完全乳化,逐渐加入35重量份或更少的丙烯腈和乙烯基单体或单体,并进行乳液聚合直到产生的聚合物的量达到50重量份以上,使得 系统中α-甲基苯乙烯单体与α-甲基苯乙烯以外的单体的比率总是以重量计保持在90/10或更高。 热塑性树脂组合物包含上述α-甲基苯乙烯高含量共聚物和通过使二烯橡胶与包含单乙烯基芳族化合物和不饱和腈化合物的单体反应获得的接枝共聚物,二烯橡胶的含量为5-30份 重量。 由本发明组合物得到的成型品具有优异的耐热性和耐冲击性。
    • 9. 发明授权
    • Alpha-methylstyrene high-content copolymers, a process for their
production and thermoplastic resin compositions containing
alpha-methylstyrene high-content copolymers
    • α-甲基苯乙烯高含量共聚物,其制备方法和含α-甲基苯乙烯高含量共聚物的热塑性树脂组合物
    • US5171814A
    • 1992-12-15
    • US875575
    • 1992-04-27
    • Shigemi MathumotoFumiya Nagoshi
    • Shigemi MathumotoFumiya Nagoshi
    • C08F212/12C08L25/16C08L51/04
    • C08L25/16C08F212/12C08L51/04
    • An .alpha.-methylstyrene high-content copolymer which is characterized by that it is a copolymer which comprises 65-90 parts by weight of .alpha.-methylstyrene with 35-10 parts by weight of acrylonitrile and 0-5 parts by weight of a copolymerizable vinyl monomer or monomers and that a component having an .alpha.-methylstyrene content of 82% or higher is contained in an amount of 30 parts by weight or more. Such a copolymer may be produced by a process which comprises charging 65 parts by weight or more of .alpha.-methylstyrene and 10% by weight or less based on this .alpha.-methylstyrene of acrylonitrile and a vinyl monomer or monomers all in one portion at the initial stage, making the system fully emulsified, gradually adding 35 parts by weight or less of acrylonitrile and the vinyl monomer or monomers, and carrying out emulsion polymerization until the amount of a polymer produced has amounted to 50 parts by weight or more in such way that the ratio of the .alpha.-methylstyrene monomer to the monomers other than .alpha.-methylstyrene in the system is always maintained at 90/10 or higher on the weight basis. A thermoplastic resin composition comprises the above .alpha.-methylstyrene high-content copolymer and a graft copolymer obtained by reacting a diene rubber with monomer comprising a monovinyl aromatic compound and an unsaturated nitrile compound, the diene rubber being present in an amount of 5-30 parts by weight.Molded products obtained from the composition of this invention have excellent heat resistance and impact resistance.
    • 一种α-甲基苯乙烯高含量共聚物,其特征在于它是共聚物,其包含65-90重量份的α-甲基苯乙烯和35-10重量份的丙烯腈和0-5重量份的可共聚的乙烯基单体 或单体,并且包含30重量份以上的α-甲基苯乙烯含量为82%以上的成分。 这样的共聚物可以通过以下方法制备:将α-甲基苯乙烯为65重量份或更多,基于该丙烯腈的α-甲基苯乙烯和乙烯基单体或单体的初始浓度为10重量% 阶段,使系统完全乳化,逐渐加入35重量份或更少的丙烯腈和乙烯基单体或单体,并进行乳液聚合直到产生的聚合物的量达到50重量份以上,使得 系统中α-甲基苯乙烯单体与除α-甲基苯乙烯以外的单体的比例总是以重量计维持在90/10或更高。 热塑性树脂组合物包含上述α-甲基苯乙烯高含量共聚物和通过使二烯橡胶与包含单乙烯基芳族化合物和不饱和腈化合物的单体反应获得的接枝共聚物,二烯橡胶的含量为5-30份 重量。 由本发明的组合物得到的成型品具有优异的耐热性和耐冲击性。