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    • 2. 发明授权
    • Vinyl chloride polymer composition
    • 氯乙烯聚合物组合物
    • US3925510A
    • 1975-12-09
    • US45354374
    • 1974-03-21
    • MITSUBISHI RAYON CO
    • IDE FUMIOKISHIDA KAZUOHASEGAWA AKIRA
    • C08L27/06C08L51/00C08L51/04C08L31/02
    • C08L27/06C08L51/003Y10S525/902C08L2666/24
    • A thermoplastic vinyl chloride polymer composition superior in processing properties is provided. The composition comprises (I) polyvinyl chloride or a copolymer predominantly comprised of vinyl chloride and (II) a methyl methacrylate composite polymer characterized by the combination of 10 TO 60% OF COMPONENT A consisting essentially of, in polymerized form, 80 to 100% of methyl methacrylate, 0 to 20% of a copolymerizable monoethylenically unsaturated monomer and 0 to 2% of a copolymerizable polyfunctional monomer having at least two ethylenically unsaturated bonds, and having a reduced viscosity of at least 2.0; 40 TO 80% OF COMPONENT B consisting essentially of in polymerized form, 30 to 80% of styrene or substituted styrene and 70 to 20% of an acrylic or methacrylic acid ester, and having a reduced viscosity of not greater than 1.0; and 0 TO 40% OF COMPONENT C consisting essentially of in polymerized form, 80 to 100% of methyl methacrylate, 0 to 20% of a copolymerizable monoethylenically unsaturated monomer, and 0 to 2% of a copolymerizable polyfunctional monomer having at least two ethylenically unsaturated bonds. The methyl methacrylate composite polymer (II) is either a twoor three-stage polymer prepared by the sequential two- or threestage emulsion polymerization procedure.
    • 提供了加工性能优异的热塑性氯乙烯聚合物组合物。 该组合物包含(I)聚氯乙烯或主要由氯乙烯组成的共聚物和(II)甲基丙烯酸甲酯复合聚合物,其特征在于组合物10至60%的组分A,其基本上由聚合形式,80至100% 0〜20%的可共聚单烯属不饱和单体和0〜2%的具有至少2个烯属不饱和键的可共聚的多官能单体,并且具有至少2的比浓粘度。
    • 5. 发明授权
    • Thermoplastic resin composition having high transparency and high impact strength
    • 具有高透明度和高冲击强度的热塑性树脂组合物
    • US3919157A
    • 1975-11-11
    • US44189174
    • 1974-02-12
    • MITSUBISHI RAYON CO
    • IDE FUMIOKISHIDA KAZUOSAKURAI TOSHIOKAWAKAMI SYOICHI
    • C08F279/04C08L9/06C08L25/08C08L33/12C08L51/04C08L83/04C08C11/66C08D7/00C08F19/18
    • C08F279/04C08L9/06C08L25/08C08L33/12C08L51/04C08L83/04C08F2/22C08L2666/14C08L2666/02
    • A novel resin composition having high transparency and high impact strength comprises (I) 97 to 99.99 percent by weight of a resin composed of (A) 10 parts by weight of polybutadiene or a styrene-butadiene rubber containing at least 60 percent by weight of butadiene which has a weight average particle diameter of 0.20 to 0.35 Mu with a particle diameter distribution in the range of 0.05 to 1.5 Mu and a degree of swelling of at least 10, and (B) 15 to 190 parts by weight of a terpolymer of a monomer mixture comprising 30 to 65 percent by weight of styrene, 15 to 68 percent by weight of methyl methacrylate and 2 to 20 percent by weight of acrylonitrile (said resin may be a mixture of (A) and (B) or may be a graft-copolymer of (B) and (A)) and (II) 0.01 to 3 percent by weight of a polyorganosiloxane having a viscosity of 10 to 30 centistokes. From such composition, a transparent and impact resistant molded article can be produced regardless of the molding conditions. Further, the composition, when used in combination with a vinyl chloride polymer, can give an impact resistant resin which is transparent or translucent and has a self-extinguishing property.
    • 具有高透明度和高冲击强度的新型树脂组合物包含(I)97至99.99重量%的由(A)10重量份的聚丁二烯或含有至少60重量%的丁二烯的苯乙烯 - 丁二烯橡胶组成的树脂 其重均粒径为0.20〜0.35μm,粒径分布范围为0.05〜1.5μm,溶胀度为10以上,(B)15〜190重量份的三元共聚物 单体混合物,其包含30至65重量%的苯乙烯,15至68重量%的甲基丙烯酸甲酯和2至20重量%的丙烯腈[所述树脂可以是(A)和(B)的混合物,或者可以是接枝 (B)和(A)]的共聚物和(II)0.01至3重量%的粘度为10至30厘沲的聚有机硅氧烷。 通过这样的组合物,无论成型条件如何,都可以制造透明且耐冲击的模制品。 此外,当与氯乙烯聚合物组合使用时,该组合物可以产生透明或半透明并具有自熄性的耐冲击树脂。
    • 7. 发明授权
    • Polyvinyl chloride resin composition having excellent impact resistance and weatherability
    • 聚氯乙烯树脂组合物具有优异的耐冲击性和耐候性
    • US3651175A
    • 1972-03-21
    • US3651175D
    • 1970-11-09
    • MITSUBISHI RAYON CO
    • IDE FUMIOMIURA MASANOBU
    • C08L27/00C08F285/00C08L1/00C08L23/00C08L27/06C08L27/24C08L51/00C08L51/02C08L101/00C08F29/24C08F41/12C08F45/24
    • C08L27/06C08F285/00C08L27/24C08L51/003Y10S525/902C08L2666/24
    • A POLYVINYL CHLORIDE RESIN COMPOSITION HAVING EXCELLENT IMPACE RESISTANCE AND WEATHERABILITY CAN BE OBTAINED BY BLENDING 100 PARTS BY WEIGHT OF A VINYL CHLORIDE POLYMER WITH 5 TO 80 PARTS BY WEIGHT OF A RESIN WHICH COMPRISES 20 TO 80 PARTS BY WEIGHT OF A CORE-CRUST STRUCTURAL CROSSLINKED POLYTALKYL ACRYLATE ELASTOMER (A) AND 80 TO 20 PARTS BY WEIGHT OF A POLYMER (B) OBTAINED BY POLYMERIZATION OF A VINYL MONOMER OR A MIXTURE THEREOF, AT LEAST A PART OF THE MONOMER FOR A POLYMER (B) BEING GRAFTPOLYMERIZED IN THE PRESENCE OF ELASTOMER (A), ELASTOMER (A) BEING OBTAINED BY THE STEPS OF DISSOLVING AN ORGANIC PEROXIDE HAVING A DECOMPOSITION TEMPERATURE HIGHER THAN 60*C. IN A MONOMER COMPRISING 80 TO 100% BY WEIGHT OF AT LEAST ONE ALKYL ACRYLATE WHOSE ALKYL GROUP HAS 1 TO 10 CARBON ATOMS AND 0 TO 20% BY WEIGHT OF A VINYL MONOMER, POLYMERIZING SAID MONOMER IN AN AQUEOUS SOLUTION CONTAINING A WATER SOLUBLE REDOX INITIATOR AND AN EMULSIFIER AT A TEMPERATURE LOWER THAN THE DECOMPOSITION TEMPERATURE OF SAID ORGANIC PEROXIDE TO OBTAIN AN ELASTOMER LATEX, HEATING AND STIRRING SAID ELASTOMER LATEX AT A TEMPERATURE HIGHER THAN THE DECOMPOSITION TEMPERATURE OF SAID ORGANIC PERIOXIDE TO OBTAIN A CROSSLINKED ELASTOMER LATEX ADDING TO A LATEX CONTAINING 100 PARTS BY WEIGHT OF SAID CROSSLINKED ELASTOMER 30 TO 150 PARTS BY WEIGHT OF A MONOMER WHICH COMPRISES 80 TO 100% BY WEIGHT OF AT LEAST ONE ALKYL ACRYLATE WHOSE ALKYL GROUP HAS 1 TO 10 CARBON ATOMS AND 0 TO 20% BH WEIGHT OF A VINYL MONOMER AND IN WHICH AN ORGANIC PEROXIDE HAVING A DECOMPOSITION TEMPERATURE HIGHER THAN 60*C. IS DISSOLVED, SEED POLYMERIZING THE MONOMER WITH A WATER SOLUBLE REDOX INITIATOR AT A TEMPERATURE LOWER THAN 60*C. IN THE PRESENCE OF SAID LATEX CONTAINING CROSSLINKED ELASTOMER AND HEATING THE THUS OBTAINED LATEX TO A TEMPERATURE HIGHER THAN 60*C.