Amorphous polyolefin resin composition
    1.
    发明授权
    Amorphous polyolefin resin composition 失效
    无定形聚烯烃树脂组合物

    公开(公告)号:US06395829B1

    公开(公告)日:2002-05-28

    申请号:US09507789

    申请日:2000-02-22

    IPC分类号: C08L2500

    摘要: An amorphous polyolefin resin composition being excellent in the balance of the impact resistance with the surface smoothness and, further, the balance of the impact resistance with the transparency. In this amorphous polyolefin resin composition, a block copolymer (B-1) having at least one polymer block unit which is poor in the affinity with an amorphous polyolefin (A) but excellent in the affinity with a core-shell type elastomer (B-2) is combined with a core-shell type elastomer (B-2) which is excellent in the affinity with at least one polymer block of the block copolymer (B-1) and has a specific composition and a specific structure, and these components are composited in the amorphous polyolefin resin composition, thereby achieving well-balanced properties, i.e., an excellent impact resistance, an excellent surface glossiness and a high transparency.

    摘要翻译: 一种无定形聚烯烃树脂组合物,其耐冲击性与表面平滑度的平衡优异,另外抗冲击性与透明性的平衡优异。 在该无定形聚烯烃树脂组合物中,具有至少一种聚合物嵌段单元的嵌段共聚物(B-1),其与无定形聚烯烃(A)的亲和性差,与核 - 壳型弹性体(B- 2)与嵌段共聚物(B-1)的至少一个聚合物嵌段的亲和性优异的核 - 壳型弹性体(B-2)组合,具有特定的组成和特定结构,这些成分 复合在无定形聚烯烃树脂组合物中,从而获得良好的平衡性能,即优异的抗冲击性,优异的表面光泽度和高透明度。

    Modifier for methacrylic resin
    3.
    发明授权
    Modifier for methacrylic resin 失效
    甲基丙烯酸树脂改性剂

    公开(公告)号:US06525135B1

    公开(公告)日:2003-02-25

    申请号:US09623994

    申请日:2000-09-12

    IPC分类号: C08L5106

    摘要: This invention provide a methacrylic resin modifier, which gives impact resistance and high transparency under wide ranges of molding conditions. More particularly, it provides a methacrylic resin modifier and a polymer processability modifier, which comprises a blend of an impact resistance modifier, wherein weight ratio of the impact resistance modifier and polymer processability modifier is from 95/5 to 80/20 and the polymer processability modifier has a specific viscosity of from 2.5 to 5.0 when measured in its 0.4% by weight toluene solution at 30° C.

    摘要翻译: 本发明提供一种甲基丙烯酸树脂改性剂,其在宽范围的成型条件下具有耐冲击性和高透明度。 更具体地说,它提供了一种甲基丙烯酸树脂改性剂和聚合物加工性改性剂,其包含耐冲击性改性剂的混合物,其中耐冲击性改性剂和聚合物加工性改性剂的重量比为95/5〜80/20,聚合物加工性 改性剂在其在30℃下的0.4重量%甲苯溶液中测量时的比粘度为2.5至5.0。

    Vinyl chloride resin composition
    4.
    发明授权
    Vinyl chloride resin composition 有权
    氯乙烯树脂组合物

    公开(公告)号:US6140417A

    公开(公告)日:2000-10-31

    申请号:US203333

    申请日:1998-12-02

    摘要: A vinyl chloride resin composition having a greatly improved processability without lowering the transparency wherein the gelation property of a vinyl chloride resin is improved with greatly decreased generation of ungelled substance; which comprises a vinyl chloride resin and 0.1 to 30 parts by weight of a processing aid per 100 parts by weight of said vinyl chloride resin, wherein said processing aid is a polymer prepared by polymerizing (B) 40 to 94 parts by weight of a monomer mixture comprising 60 to 100% by weight of methyl methacrylate, 0 to 40% by weight of at least one monomer selected from the group consisting of an alkyl acrylate and an alkyl methacrylate different from methyl methacrylate and 0 to 10% by weight of other vinyl monomer copolymerizable therewith, in the presence of a first latex prepared by emulsion-polymerizing (A) 3 to 30 parts by weight of a monomer mixture comprising 0 to 50% by weight of methyl methacrylate, 50 to 100% by weight of an alkyl acrylate and 0 to 20% by weight of other vinyl monomer copolymerizable therewith, and polymerizing (C) 3 to 30 parts by weight of a monomer mixture comprising 0 to 50% by weight of methyl methacrylate, 50 to 100% by weight of an alkyl acrylate and 0 to 20% by weight of other vinyl monomer copolymerizable therewith in the presence of the resulting second latex, the total amount of said mixtures (A), (B) and (C) being 100 parts by weight.

    摘要翻译: 一种氯乙烯树脂组合物,其具有极大改善的加工性而不降低透明度,其中氯乙烯树脂的凝胶化性能得到改善,同时大大降低了未凝胶物质的产生; 其包含氯乙烯树脂和每100重量份所述氯乙烯树脂为0.1至30重量份的加工助剂,其中所述加工助剂是通过聚合(B)40至94重量份的单体制备的聚合物 包含60至100重量%的甲基丙烯酸甲酯,0至40重量%的至少一种选自丙烯酸烷基酯和不同于甲基丙烯酸甲酯的甲基丙烯酸烷基酯和0至10重量%的其它乙烯基 可共聚的单体,在通过乳液聚合制备的第一胶乳(A)3至30重量份的单体混合物存在下,所述单体混合物包含0至50重量%的甲基丙烯酸甲酯,50至100重量%的丙烯酸烷基酯 和0〜20重量%的可与其共聚的其它乙烯基单体,和(C)3〜30重量份的包含0〜50重量%的甲基丙烯酸甲酯,50〜100重量%的丙烯酸烷基酯的单体混合物 和0 至20重量%的其它可与其共聚的乙烯基单体,所得混合物(A),(B)和(C)的总量为100重量份。

    Thermoplastic Resin Composition Excelling in Transparency and Mold Release Property
    6.
    发明申请
    Thermoplastic Resin Composition Excelling in Transparency and Mold Release Property 审中-公开
    热塑性树脂组合物在透明性和脱模性能方面

    公开(公告)号:US20090005506A1

    公开(公告)日:2009-01-01

    申请号:US11658759

    申请日:2005-07-15

    IPC分类号: C08L51/08

    摘要: The invention provides a polyorganosiloxane-containing copolymer of high transparency that excels in powder characteristics and that when added in a small amount to a thermoplastic resin, ensures excellent mold release ability at molding thereof, and a thermoplastic resin composition comprising the same. The present invention can solve the above-mentioned problem by providing the thermoplastic resin composition comprising 0.01 to 3% by weight of a polyorganosiloxane-containing graft copolymer (C) with 99.99 to 97% by weight of thermoplastic resin (D), wherein the polyorganosiloxane-containing graft copolymer (C) is obtainable by polymerizing 40 to 10 parts by weight of a vinyl monomer (B) in the presence of 60 to 90 parts by weight of a polyorganosiloxane (A) with a proviso that a sum of (A) and (B) is 100 parts by weight, the polyorganosiloxane (A) is obtainable by polymerizing 99.99 to 99.6 parts by weight of the sum of an organosiloxane having cyclic structure and an alkoxysilane with 0.01 to 0.4% by weight of graft crosslinking agent, and a weight ratio of the organosiloxane having cyclic structure to the alkoxysilane is 1/9 to 9/1.

    摘要翻译: 本发明提供一种高透明度的聚有机硅氧烷共聚物,其粉末特性优异,少量添加到热塑性树脂时,确保了其在成型时的脱模能力优异,并且含有该共聚物的热塑性树脂组合物。 本发明可以通过提供含有含有聚有机硅氧烷的接枝共聚物(C)0.01〜3重量%的热塑性树脂组合物和99.99〜97重量%的热塑性树脂(D),其中聚有机硅氧烷 (C)的共聚物可以通过在60〜90重量份的聚有机硅氧烷(A)的存在下聚合40〜10重量份的乙烯基单体(B),条件是(A) 和(B)为100重量份,聚有机硅氧烷(A)可通过将99.99至99.6重量份的具有环状结构的有机硅氧烷和烷氧基硅烷的总量与0.01至0.4重量%的接枝交联剂聚合而获得,以及 具有环状结构的有机硅氧烷与烷氧基硅烷的重量比为1/9至9/1。

    Processing aid for thermoplastic resin and thermoplastic resin composition containing the same
    7.
    发明授权
    Processing aid for thermoplastic resin and thermoplastic resin composition containing the same 有权
    含有该热塑性树脂和热塑性树脂组合物的加工助剂

    公开(公告)号:US07105602B1

    公开(公告)日:2006-09-12

    申请号:US09926085

    申请日:2000-04-14

    IPC分类号: C08G85/00

    CPC分类号: C08F20/12 C08F2/38

    摘要: The present invention provides a processing aid for thermoplastic resin having a weight average molecular weight of 10,000 to 300,000, which is obtained by polymerizing an alkyl (meth)acrylate, or an alkyl (meth)acrylate and another vinyl monomer copolymerizable therewith, in the presence of a mercaptan having an alkyl ester group with C4-20 alkyl group as a chain transfer agent, and/or an organic peroxide having a tertiary-butyl peroxy group as a polymerization initiator.

    摘要翻译: 本发明提供一种重均分子量为10,000〜300,000的热塑性树脂加工助剂,其通过使(甲基)丙烯酸烷基酯或(甲基)丙烯酸烷基酯和可与其共聚的其它乙烯基单体在 的具有C 4-14-20烷基的烷基酯基的硫醇作为链转移剂,和/或具有叔丁基过氧基的有机过氧化物作为聚合引发剂。

    Vinyl chloride resin composition and molded object comprising the same
    8.
    发明授权
    Vinyl chloride resin composition and molded object comprising the same 失效
    氯乙烯树脂组合物及其成型物

    公开(公告)号:US06872776B1

    公开(公告)日:2005-03-29

    申请号:US09700171

    申请日:1999-05-31

    摘要: A vinyl chloride resin composition having excellent weatherability and impact resistance which comprises (a) a vinyl chloride resin, (b) a graft copolymer which is obtained by graft-polymerizing (b2) a graft monomer component composed of 40 to 100% by weight of methyl methacrylate and 0 to 60% by weight of at least one monomer selected from the group consisting of an alkyl acrylate, an alkyl methacrylate, an unsaturated nitrile and an aromatic vinyl compound onto (b1) a crosslinked elastomeric polymer composed mainly of an alkyl acrylate, the methyl ethyl ketone-soluble portion of the graft copolymer having an ηsp/c of 1 to 5 measured at 30° C. with respect to its 0.2 g/100 cc acetone solution, and (c) calcium carbonate; and molded articles having a multilayer structure wherein a layer molded from the above composition is used as the surface layer or the inner layer.

    摘要翻译: 具有优异的耐候性和耐冲击性的氯乙烯树脂组合物,其包含(a)氯乙烯树脂,(b)接枝共聚物,其通过接枝聚合(b2)由40〜100重量% 甲基丙烯酸甲酯和0至60重量%的至少一种选自丙烯酸烷基酯,甲基丙烯酸烷基酯,不饱和腈和芳族乙烯基化合物的单体在(b1)主要由丙烯酸烷基酯组成的交联弹性体聚合物 ,相对于其0.2g / 100cc丙酮溶液,在30℃下测得的etasp / c为1至5的接枝共聚物的甲基乙基酮可溶部分,和(c)碳酸钙; 以及具有多层结构的成型制品,其中由上述组合物成型的层用作表层或内层。

    Methacrylic resin modifier composition less dependent on processing conditions
    9.
    发明授权
    Methacrylic resin modifier composition less dependent on processing conditions 失效
    甲基丙烯酸树脂改性剂组合物较少依赖于加工条件

    公开(公告)号:US06503987B1

    公开(公告)日:2003-01-07

    申请号:US09719965

    申请日:2001-02-13

    IPC分类号: C08L3312

    摘要: There is provided a modifier composition for a methacrylate resin, which can stably give a molded article excellent in strength without deteriorating transparency, color tone and appearance thereof under a wide range of injection molding conditions. A modifier composition for a methacrylate resin of the present invention comprises an impact modifier, a polymer processing aid and a reducing compound, wherein an amount of the impact modifier to the polymer processing aid is 95/5 to 80/20 in weight, and an amount of the reducing compound is 0.25 to 1.25 parts by weight based on 100 parts by weight of the total amount of the impact modifier and the polymer processing aid.

    摘要翻译: 提供了一种用于甲基丙烯酸酯树脂的改性剂组合物,其可以在宽的注射条件范围内稳定地得到强度优异的模塑制品,而不会使透明度,色调和外观劣化。 用于本发明的甲基丙烯酸酯树脂的改性剂组合物包含抗冲改性剂,聚合物加工助剂和还原性化合物,其中抗冲改性剂对聚合物加工助剂的量为95/5至80/20重量, 基于100重量份的抗冲改性剂和聚合物加工助剂的总量,还原化合物的量为0.25至1.25重量份。