利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

20 条记录 (耗时 0.009 秒)

    PRODUCTION OF BLEND OF POLYOLEFIN AND ORGANOPOLYSILOXANE
    1.
    发明公开
    PRODUCTION OF BLEND OF POLYOLEFIN AND ORGANOPOLYSILOXANE 有权
    聚烯烃的制造及有机聚硅氧烷的混合物

    公开(公告)号：EP2898002A1

    公开(公告)日：2015-07-29

    申请号：EP13766015.5

    申请日：2013-09-19

    申请人： Multibase SA ,  Dow Corning Corporation ,  Multibase Inc.

    发明人： HABIMANA, Jean De La Croix ,  HAYS, Ted ,  PRELE, Patrick

    IPC分类号： C08J3/20 ,  C08J3/205 ,  C08J3/22 ,  C08K5/00 ,  C08L23/12

    CPC分类号： C08L23/12 ,  C08J3/005 ,  C08J3/201 ,  C08J3/22 ,  C08J2323/10 ,  C08J2483/04 ,  C08K5/1345 ,  C08L2207/04 ,  C08L83/04

    摘要： A process for the production of a polymer composition is disclosed. The polymer composition comprises an organopolysiloxane dispersed in a thermoplastic organic polymer liable to thermo-radical degradation or cross-linking when subjected to a high compounding energy at a temperature above its melting point. In a first step (I), a thermoplastic organic polymer and an organopolysiloxane are mixed at a temperature at which both the thermoplastic organic polymer and the organopolysiloxane are in liquid phases to form a masterbatch. In a second step (II), the masterbatch is mixed with further thermoplastic organic polymer to form a polymer composition having a lower concentration of organopolysiloxane than that in the masterbatch. In the first step (I), the thermoplastic organic polymer and the organopolysiloxane are mixed in the presence of an additive capable of inhibiting the thermo-radical degradation or cross-linking of the thermoplastic organic polymer. The organopolysiloxane of the masterbatch remains stable during processing.

    ELASTOMERIC COMPOSITION AS EBERGY-ABSORBING MATERIAL
    5.
    发明公开
    ELASTOMERIC COMPOSITION AS EBERGY-ABSORBING MATERIAL 审中-公开
    弹性体组合物作为吸能材料的使用

    公开(公告)号：EP2367882A1

    公开(公告)日：2011-09-28

    申请号：EP09801457.4

    申请日：2009-12-23

    申请人： Multibase SA

    发明人： MILESI, Daniel

    IPC分类号： C08L53/02 ,  C08L83/04 ,  A41D31/00

    CPC分类号： C08L53/025 ,  C08G77/12 ,  C08G77/20 ,  C08L83/04 ,  C08L2666/24

    摘要： Use of a material for the absorption of impact energy wherein the composition of the material is a mixture of, at least component (A) which is an organic thermoplastic elastomer having a hardness below 80 shore A measured at 23°C and component (B) which is a non cross- linked and substantially non reactive silicone polymer or a cross-linked silicone polymer, with the exclusion of borated silicone polymers exhibiting dilatant properties.

    PROCESS FOR MAKING POLYOLEFIN COMPOSITIONS
    6.
    发明公开
    PROCESS FOR MAKING POLYOLEFIN COMPOSITIONS 审中-公开
    用于生产聚烯烃

    公开(公告)号：EP2142593A2

    公开(公告)日：2010-01-13

    申请号：EP08749985.1

    申请日：2008-05-02

    申请人： Multibase SA

    发明人： MILESI, Daniel ,  PRELE, Patrick ,  VON TSCHAMMER, Alexis

    IPC分类号： C08K3/36 ,  C08L23/12 ,  C08K7/00 ,  C08J3/20 ,  C08L23/10 ,  C08K3/34 ,  C08L23/16 ,  C08J3/22 ,  B29B7/90 ,  B29B9/12 ,  B60K37/00 ,  B60R19/03 ,  B60J5/00

    CPC分类号： C08L23/12 ,  B29C47/369 ,  B29C47/6087 ,  B29C47/92 ,  C08K3/36 ,  C08K7/00 ,  C08L23/10 ,  C08L2205/02 ,  C08L2666/06 ,  C08L2666/04 ,  C08L2666/24

    摘要： A process is disclosed of obtaining a thermoplastic composition formed from a polyolefin matrix comprising a polypropylene with a fluidity index of from 2 to 100 g/10 minutes when measured at 230°C under 2.16 kg, and a mineral lamellar filler which is talc with a median diameter D50 of at least 1 μm, as measured by Sedigraph, and a lamellarity index of at least 4 before introduction into the matrix and at least 3 when measured in the thermoplastic composition, by dispersing the lamellar talc in the polyolefin matrix in a viscoelastic state by means of at least on compounding extruder, which process comprises (a) the formation of a viscoelastic mixture of the polypropylene matrix and the lamellar mineral talc particles by heating and kneading the said composition at a temperature at least equal to the working temperature of the polypropylene, (b) the submission of the viscoelastic mixture to thermo-mechanical work, (c) the elimination of volatile components from the viscoelastic mixture, (d) the transformation of the viscoelastic mixture resulting from step (c) into an industrially usable granulated material, characterised in that, to obtain a controlled and homogenous dispersion and distribution of the lamellar mineral talc in the polypropylene matrix, while substantially retaining initial morphological characteristics of the lamellar mineral talc particles, the viscoelastic mixture is subjected during steps (a) and (b) to a weak and controlled rate of shearing of no more than 200s-1 and the viscoelastic mixture is subjected in step (b) to at least one cycle of extension and relaxation in a dedicated zone which is at least 25% of the total length of the at least one screw of the compounding extruder. Also disclosed is the use of thermoplastic compositions obtained by such process in the manufacture of products for the automotive industry, domestic appliance industry, electronic industry, building industry, construction industry, internal design industry, sport and leisure industry, in packaging or in toys.