Blockcopolymer compositions, having improved mechanical properties and processability and styrenic blockcopolymer to be used in them
    1.
    发明授权
    Blockcopolymer compositions, having improved mechanical properties and processability and styrenic blockcopolymer to be used in them 有权
    具有改进的机械性能和加工性的嵌段共聚物组合物和其中使用的苯乙烯类嵌段共聚物

    公开(公告)号:US07268184B2

    公开(公告)日:2007-09-11

    申请号:US10510273

    申请日:2003-01-13

    IPC分类号: C08L53/02

    摘要: A composition to be used for the manufacture of fibers, filaments, melt blown or spun bond non-wovens or cast or blown films, comprising at least 50 wt % of a styrenic block copolymer; a polyolefin in an amount of from 10 to 30 wt %; a resin which is compatible with the poly(styrene) blocks in the styrenic block copolymer in an amount of at least 5 wt %, and a resin which is compatible with the hydrogenated polybutadiene blocks in the styrenic block copolymer an amount of at least 3 wt %, wherein all weight percentages are relative to the weight of the complete composition; styrenic block copolymers to be used therein; and fibers, melt blown or spun bond non-wovens or cast or blown films prepared from it.

    摘要翻译: 用于制造纤维,长丝,熔喷或纺粘非织造物或铸塑或吹塑薄膜的组合物,其包含至少50重量%的苯乙烯嵌段共聚物; 10-30重量%的聚烯烃; 与苯乙烯嵌段共聚物中的聚(苯乙烯)嵌段相容量为至少5重量%的树脂和与苯乙烯嵌段共聚物中的氢化聚丁二烯嵌段相容的树脂,其量为至少3重量% %,其中所有重量百分数相对于完整组合物的重量; 苯乙烯嵌段共聚物; 纤维,熔喷或纺粘非织造物或由其制备的铸塑或吹塑薄膜。

    Styrenic block copolymer compositions to be used for the manufacture of transparent, gel free films
    2.
    发明授权
    Styrenic block copolymer compositions to be used for the manufacture of transparent, gel free films 有权
    用于制造透明,无凝胶膜的苯乙烯嵌段共聚物组合物

    公开(公告)号:US07838598B2

    公开(公告)日:2010-11-23

    申请号:US10537123

    申请日:2003-12-03

    IPC分类号: C08L53/02

    CPC分类号: C08L53/02 C08L2666/02

    摘要: A composition to be used for the manufacture of transparent, gelfree films, comprising: a) at least 65 wt % of a styrenic block copolymer, having a molecular structure according to the formula S—(I/B)—S (1) or [S—(I/B)]n X (2), wherein each S independently is a polymer block of predominantly styrene and (I/B) is a substantially random polymer block of predominantly isoprene and butadiene, wherein n is an integer equal to or greater than 2, and wherein X is the residue of a coupling agent, wherein said styrenic block copolymer having a poly(styrene) content in the range of from 28 to 31% by weight, having poly(styrene) blocks S of a true molecular weight in the range of from 10,000 to 15,000, having a true molecular weight of the complete block copolymer in the range of from 110,000 to 160,000 and wherein the diblock S—(I/B) optionally occurs in a content of at most 20 mol %, b) from 5 to 25 wt % of a second thermoplastic resin, c) from 1 to 10 wt % of a plasticizing oil, the sum of the percentages of the components a, b and c being 100%, and all weight percentages being relative to the weight of the complete composition and extruded or cast or blown mono- or multi-layer films prepared from them.

    摘要翻译: 一种用于制造透明的无胶膜的组合物,其包含:a)至少65重量%的具有根据式S-(I / B)-S(1)的分子结构的苯乙烯嵌段共聚物或 [S(I / B)] n X(2)其中每个S独立地是主要是苯乙烯的聚合物嵌段,(I / B)是主要是异戊二烯和丁二烯的基本上无规的聚合物嵌段,其中n是等于 其中X是偶联剂的残基,其中所述苯乙烯嵌段共聚物的聚(苯乙烯)含量在28至31重量%的范围内,具有聚(苯乙烯)嵌段S的 真分子量在10,000至15,000范围内,完全嵌段共聚物的真实分子量在110,000至160,000范围内,其中二嵌段S-(I / B)任选以至多20的含量进行 mol%,b)5〜25重量%的第二热塑性树脂,c)1〜10重量%的增塑油,su 组分a,b和c的百分数m为100%,所有重量百分数均相对于完整组合物的重量和由其制备的挤出或浇注或吹制的单层或多层膜。