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    • 3. 发明申请
    • NUCLEATION WITH A BLOCK COMPOSITE NUCLEATOR
    • 具有块状复合核的核
    • WO2016028957A1
    • 2016-02-25
    • PCT/US2015/046002
    • 2015-08-20
    • DOW GLOBAL TECHNOLOGIES LLC
    • JIN, YiWALTON, Kim L.HUGHES, Morgan M.KARJALA, Thomas W.CHOPIN III, Lamy J.LEE, DeanCONG, Rongjuan
    • C08L23/14
    • C08L23/16C08L23/142C08L2205/025C08L2205/035C08L2205/24C08L53/00
    • A composition includes (A) 30-95 wt% of a random or homogeneous propylene-based interpolymer having: (i) a comonomer content of at least one of C 2 and C 4-10 α-olefins of 7 wt% to 49 wt% based on the total weight of the propylene-based interpolymer, (ii) a density of 0.90 g/cc or less, and (iii) an MFR of 1 g/10 min or greater (230°C/2.16 kg); and (B) 5-70 wt% of a block composite nucleator comprising: (1) a first polymer that includes polypropylene; (2) a second polymer that includes an alpha-olefin based polymer, the alpha-olefin being selected from at least one of a C 2 and C 4-10 α-olefins, and (3) a block copolymer having a first segment and a second segment, the first segment of the block copolymer having the same composition as the first polymer in the block composite nucleator and the second segment of the block copolymer having the same composition as the second polymer of the block composite nucleator.
    • 组合物包括(A)30-95重量%的无规或均相丙烯基互聚物,其具有:(i)C 2和C 4 -10α-烯烃中的至少一种的共聚单体含量为7重量%至49重量% (ii)密度为0.90g / cc以下,(iii)MFR为1g / 10分钟以上(230℃/ 2.16kg)的丙烯系共聚体的总重量; 和(B)5-70重量%的嵌段复合成核剂,其包含:(1)包含聚丙烯的第一聚合物; (2)包含α-烯烃基聚合物的第二聚合物,所述α-烯烃选自C 2和C 4 -10α-烯烃中的至少一种,和(3)具有第一链段和第二链段的嵌段共聚物 嵌段共聚物的第一段具有与嵌段复合成核剂中的第一聚合物相同的组成,第二嵌段共聚物的嵌段共聚物的第二嵌段具有与嵌段复合成核剂的第二聚合物相同的组成。