利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

16 条记录 (耗时 0.015 秒)

    Fluoropolymer dispersions
    4.
    发明授权
    Fluoropolymer dispersions 失效
    含氟聚合物分散体

    公开(公告)号：US06518352B1

    公开(公告)日：2003-02-11

    申请号：US09343238

    申请日：1999-06-30

    申请人： Mario Visca ,  Daria Lenti ,  Marco Malvasi ,  Enrico Marchese

    发明人： Mario Visca ,  Daria Lenti ,  Marco Malvasi ,  Enrico Marchese

    IPC分类号： C08L2700

    CPC分类号： C09D127/18 ,  C08L27/18 ,  C08L2205/02 ,  C08L2666/04

    摘要： Mixtures of fluoropolymer dispersion, wherein: a) a dispersion is formed by TFE (co)polymers with average particle sizes in the range 180-400 nm; b) another dispersion selected from: 1) (co)polymer dispersion of TFE; 2) thermoplastic copolymers of TFE; the average particle sizes of dispersion b) range from 20 to 60 nm; the ratio between the particle sizes of dispersion b) compared with those of dispersion a) is lower than 0.3.

    摘要翻译： 氟聚合物分散体的混合物，其中：a）通过TFE（共）聚合物形成分散体，平均粒径在180-400nm范围内; b）选自以下的另一种分散体：1）TFE的（共）聚合物分散体; 2） TFE的热塑性共聚物;分散体b）的平均粒径为20〜60nm，分散体b）的粒径与分散体a）的比例小于0.3。

    Vinyl chloride resin composition
    5.
    发明授权
    Vinyl chloride resin composition 有权
    氯乙烯树脂组合物

    公开(公告)号：US06221966B1

    公开(公告)日：2001-04-24

    申请号：US09203334

    申请日：1998-12-02

    申请人： Yasushi Nakanishi ,  Mamoru Kadokura ,  Karin Janssen ,  Akira Takaki ,  Yasuhiro Miki

    发明人： Yasushi Nakanishi ,  Mamoru Kadokura ,  Karin Janssen ,  Akira Takaki ,  Yasuhiro Miki

    IPC分类号： C08L2700

    CPC分类号： C08L27/06 ,  C08F265/06 ,  C08L51/003 ,  C08L2666/24 ,  C08L2666/04

    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) 70 to 97 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 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, the total amount of said mixtures (A) and (B) being 100 parts by weight, and said polymer has a specific viscosity of at least 1 measured at 30° C. with respect to a solution of 0.4 g of said polymer in 100 ml of benzene.

    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）70至97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％的与其可共聚的其它乙烯基单体，所述混合物（A）和（B）的总量为100重量份，所述聚合物在30℃下的比粘度为至少1， 尊重soluti 在0.4g上述聚合物的100ml苯中。

    Polypropylene graft copolymer/fluorinated polyolefin blends
    6.
    发明授权
    Polypropylene graft copolymer/fluorinated polyolefin blends 失效
    聚丙烯接枝共聚物/氟化聚烯烃共混物

    公开(公告)号：US06777484B2

    公开(公告)日：2004-08-17

    申请号：US09924254

    申请日：2001-08-08

    申请人： Suhas G. Niyogi

    发明人： Suhas G. Niyogi

    IPC分类号： C08L2700

    CPC分类号： C08F255/02 ,  C08L51/06 ,  C08F220/00 ,  C08L2666/04

    摘要： The thermal stability of graft copolymers can be improved by blending (1) a graft copolymer comprising a backbone of a propylene polymer material having graft polymerized thereto a monomer selected from the group consisting of (a) an ester of an acrylic acid substituted at the alpha carbon atom by a 1-3 alkyl group and (b) a combination of (i) an ester of an acrylic acid substituted at the alpha carbon atom by a 1-3 alkyl group and (ii) an ester of an unsubstituted acrylic acid, or an acrylic acid substituted at the alpha carbon atom by a 1-3 carbon alkyl group and (2) about 1 weight % to about 25 weight % of a fluorinated olefin polymer, wherein the ratio of the polymerized monomer to the fluorinated olefin polymer is about 25:1 to about 0.5:1.

    摘要翻译： 接枝共聚物的热稳定性可以通过共混（1）包含具有接枝聚合的丙烯聚合物材料的主链的接枝共聚物来提高，所述接枝共聚物具有选自以下的单体：（a）在α 碳原子1-3个烷基，（b）（i）在α碳原子被1-3个烷基取代的丙烯酸的酯和（ii）未取代的丙烯酸的酯的组合， 或在α碳原子上被1-3个碳烷基取代的丙烯酸和（2）约1重量％至约25重量％的氟化烯烃聚合物，其中聚合单体与氟化烯烃聚合物的比例为 约25:1至约0.5:1。

    Fluoroelastomeric compositions
    8.
    发明授权
    Fluoroelastomeric compositions 有权
    氟弹性组合物

    公开(公告)号：US06750295B2

    公开(公告)日：2004-06-15

    申请号：US10151960

    申请日：2002-05-22

    申请人： Margherita Albano ,  Marco Apostolo ,  Stefano Arrigoni

    发明人： Margherita Albano ,  Marco Apostolo ,  Stefano Arrigoni

    IPC分类号： C08L2700

    CPC分类号： C08F285/00 ,  C08L27/16 ,  C08L27/18 ,  C08L51/003 ,  C08L2205/02 ,  C08F214/18 ,  C08L2666/04 ,  C08L2666/24

    摘要： Fluoroelastomeric compositions comprising: A) a fluoroelastomeric matrix based on vinylidene fluoride (VDF); B) a semi-crystalline fluoropolymer, in an amount from 1 to 40% by weight based on the total of A)+B), comprising a semi-crystalline fluoropolymer core coated by a semi-crystalline fluoropolymer shell containing bromine and/or iodine in the polymer chain; the fluoroelastomer A) incorporates the fluoropolymer B), the fluoropolymer B) being formed by tetrafluoroethylene (TFE) homopolymers, or by TFE copolymers with one or more monomers containing at least one unsaturation of ethylene type, the average sizes of the semi-crystalline fluoropolymer particles being from 10 to 100 nm, preferably from 10 to 60 nm.

    摘要翻译： 含氟弹性体组合物，其包含：A）基于偏二氟乙烯（VDF）的氟弹性体基体; B）基于A）+ B）的总量为1至40重量％的半结晶含氟聚合物，其包含半 - 结晶含氟聚合物芯由在聚合物链中含有溴和/或碘的半结晶含氟聚合物外壳涂覆;含氟弹性体A）包含含氟聚合物B），含氟聚合物B）由四氟乙烯（TFE）均聚物形成，或通过TFE共聚物与 一种或多种含有至少一种乙烯型不饱和度的单体，半结晶含氟聚合物颗粒的平均尺寸为10至100nm，优选10至60nm。

    Fluoroelastomeric compositions
    9.
    发明授权
    Fluoroelastomeric compositions 有权
    氟弹性组合物

    公开(公告)号：US06822050B2

    公开(公告)日：2004-11-23

    申请号：US10151953

    申请日：2002-05-22

    申请人： Margherita Albano ,  Marco Apostolo ,  Stefano Arrigoni

    发明人： Margherita Albano ,  Marco Apostolo ,  Stefano Arrigoni

    IPC分类号： C08L2700

    CPC分类号： C08L27/16 ,  C08F259/08 ,  C08L27/18 ,  C08L51/003 ,  C08L2205/02 ,  C08L2666/04 ,  C08L2666/24

    摘要： Fluoroelastomeric compositions comprising: A) a fluoroelastomeric matrix based on vinylidene fluoride (VDF); B) a semi-crystalline fluoropolymer, in an amount from >40% to 90% by weight based on the total of A)+B), comprising a semi-crystalline fluoropolymer core coated by a semi-crystalline fluoropolymer shell containing bromine and/or iodine in the polymer chain; the fluoroelastomer A) incorporates the fluoropolymer B), the fluoropolymer B) being formed by tetrafluoroethylene (TFE) homopolymers, or by TFE copolymers with one or more monomers containing at least one unsaturation of ethylene type, the average sizes of the semi-crystalline fluoropolymer particles being from 10 to 100 nm, preferably from 10 to 60 nm.

    摘要翻译： 含氟弹性体组合物，其包含：A）基于偏二氟乙烯（VDF）的氟弹性体基质; B）基于A）+ B）的总量的> 40重量％至90重量％的量的半结晶含氟聚合物，其包含 通过在聚合物链中含有溴和/或碘的半结晶含氟聚合物外壳涂覆的半结晶含氟聚合物芯;含氟弹性体A）包含氟聚合物B），含氟聚合物B）由四氟乙烯（TFE）均聚物或TFE形成 与一种或多种含有至少一种乙烯不饱和度的单体的共聚物，半结晶含氟聚合物颗粒的平均尺寸为10至100nm，优选10至60nm。

    PVC mixture and method for its production
    10.
    发明授权
    PVC mixture and method for its production 失效
    PVC混合物及其生产方法

    公开(公告)号：US06441085B1

    公开(公告)日：2002-08-27

    申请号：US09462886

    申请日：2000-04-18

    申请人： Bård Sæthre ,  Steinar Pedersen

    发明人： Bård Sæthre ,  Steinar Pedersen

    IPC分类号： C08L2700

    CPC分类号： C08J3/005 ,  C08J2327/06 ,  C08L27/06 ,  C08L2205/02 ,  C08L2666/04

    摘要： A PVC mixture which can be converted into plastisol, prepared by a process with comprises mixing a dispersion of spherical and compact PVC particles with a narrow size distribution (CV 0-25%) in the range 10 to 50 micrometers, with a PVC latex produced by standard emulsion-, dispersion-, miniemulsion-, microsuspension-, or seed-polymerisation in such a way that the PVC particles are homegeneously dispersed without agglomeration in the aqueous phase, and processing the resulting dispersion into a free flowing dry powder.

    摘要翻译： 通过一种方法制备的可以转化成增塑溶胶的PVC混合物，其包括将具有10至50微米范围内的窄尺寸分布（CV 0-25％）的球形和致密PVC颗粒的分散体与产生的PVC胶乳混合 通过标准的乳液，分散体，细乳液，微悬浮或种子聚合，使得PVC颗粒在水相中没有附聚的状态下分离分散，并将所得分散体加工成自由流动的干燥粉末。