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    • 2. 发明授权
    • Irradiation process for making olefin graft copolymers with low weight side chains
    • 制造具有低重量侧链的烯烃接枝共聚物的照射方法
    • US06518327B1
    • 2003-02-11
    • US09704325
    • 2000-11-02
    • Vu A. DangTam T. M. PhanJeanine A. SmithCheng Q. Song
    • Vu A. DangTam T. M. PhanJeanine A. SmithCheng Q. Song
    • C08F245
    • C08F255/02
    • Graft copolymers are prepared, in a non-oxidizing atmosphere, by (1) irradiating a particulate olefin polymer material with high energy ionizing radiation, (2) treating the irradiated olefin polymer material with at least one grafting monomer that is capable of forming side chains on the olefin polymer material, in the presence of at least one additive to control the molecular weight of the side chains of the polymerized grafting monomer selected from (a) at least one hydroxylamine derivative polymerization inhibitor, and (b) at least one thio-, nitro-, or halogen-substituted aliphatic or aromatic compound or an aliphatic or aromatic phosphine derivative, and (3) deactivating the residual free radicals in the resulting grafted olefin polymer material and removing any unreacted vinyl monomer from the material. Graft copolymers with low molecular weight side chains are produced that are easier to process and have improved internal and surface morphology.
    • 接枝共聚物在非氧化性气氛中通过(1)用高能电离辐射照射颗粒状烯烃聚合物材料来制备,(2)用能够形成侧链的至少一种接枝单体处理被照射的烯烃聚合物材料 在所述烯烃聚合物材料上,在至少一种添加剂的存在下,以控制选自(a)至少一种羟胺衍生物聚合抑制剂的聚合接枝单体的侧链的分子量,和(b)至少一种硫代 - ,硝基或卤素取代的脂族或芳族化合物或脂族或芳族膦衍生物,和(3)使得到的接枝烯烃聚合物材料中残留的自由基失活并从材料中除去任何未反应的乙烯基单体。 产生具有低分子量侧链的接枝共聚物,其更易于加工并具有改善的内部和表面形态。
    • 4. 发明授权
    • Polyolefin graft copolymer/polymide blend
    • 聚烯烃接枝共聚物/聚酰亚胺共混物
    • US06319976B1
    • 2001-11-20
    • US09640945
    • 2000-08-17
    • Anthony J. DeNicola, Jr.Tam T. M. Phan
    • Anthony J. DeNicola, Jr.Tam T. M. Phan
    • C08L7700
    • C08L77/00C08F255/00C08L51/06C08L77/02C08L77/06C08L2666/14C08L2666/24C08L51/00
    • A polymer blend containing (1) about 1% to about 98% of a graft copolymer comprising a backbone of a propylene polymer material having graft polymerized thereto monomers selected from (a) at least one vinyl aromatic compound and an unsaturated carboxylic acid and b) at least one vinyl aromatic compound and an anhydride of an unsaturated acid or its acid form, wherein the polymerized monomers are present in an amount of about 10 to about 95 parts per hundred parts of the propylene polymer material, (2) about 99% to about 2% of at least one polyamide resin, and (3) about 5% to about 90% of a broad molecular weight distribution propylene polymer material. The composition optionally also contains about 2% to about 30% of one or more rubber components, and an additive to improve the scratch and mar resistance of the composition.
    • 包含(1)约1%至约98%的接枝共聚物的聚合物共混物,其包含具有接枝聚合的丙烯聚合物材料的主链,所述单体选自(a)至少一种乙烯基芳族化合物和不饱和羧酸,以及b) 至少一种乙烯基芳族化合物和不饱和酸或其酸形式的酸酐,其中聚合单体的存在量为每100份丙烯聚合物材料约10至约95份,(2)约99%至 约2%的至少一种聚酰胺树脂,和(3)约5%至约90%的宽分子量分布的丙烯聚合物材料。 组合物任选地还含有约2%至约30%的一种或多种橡胶组分,以及用于改善组合物的划痕和耐擦伤性的添加剂。
    • 5. 发明授权
    • Blends of polyolefin graft copolymers and polycarbonate
    • 聚烯烃接枝共聚物和聚碳酸酯的共混物
    • US5585434A
    • 1996-12-17
    • US455607
    • 1995-05-31
    • Anthony J. DeNicola, Jr.Kyle D. EastensonTam T. M. Phan
    • Anthony J. DeNicola, Jr.Kyle D. EastensonTam T. M. Phan
    • C08L23/10C08L23/00C08L51/00C08L51/06C08L53/00C08L67/00C08L67/02C08L69/00C08L87/00C08L53/02
    • C08L51/06
    • Disclosed is a composition comprising, by weight, (a) about 94% to about 30% of a graft copolymer comprising a backbone of a propylene polymer material having graft polymerized thereto monomers that form grafted copolymers or terpolymers, the monomers being selected from the group consisting of (i) styrene and acrylonitrile, and (ii) styrene and maleic anhydride, or alpha-methylstyrene, styrene and maleic anhydride, wherein the grafted copolymers or terpolymers formed from (i) or (ii) are present in an amount of about 10 to about 95 pph of propylene polymer material, (b) about 5% to about 40% of at least one aromatic polycarbonate, and (c) about 1% to about 15% of at least one aliphatic polyester. The composition optionally also comprises about 5% to about 20% of one or more rubber components, about 1% to about 50% of a propylene polymer material, or both.
    • 公开了一种组合物,其包含(a)约94%至约30%的接枝共聚物,其包含具有接枝聚合的丙烯聚合物材料的主链,形成接枝共聚物或三元共聚物的单体,所述单体选自 由(i)苯乙烯和丙烯腈组成,和(ii)苯乙烯和马来酸酐,或α-甲基苯乙烯,苯乙烯和马来酸酐,其中由(i)或(ii)形成的接枝共聚物或三元共聚物以约 10至约95pph的丙烯聚合物材料,(b)约5%至约40%的至少一种芳族聚碳酸酯,和(c)约1%至约15%的至少一种脂族聚酯。 组合物任选地还包含约5%至约20%的一种或多种橡胶组分,约1%至约50%的丙烯聚合物材料,或两者。