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公开(公告)号:US20140106638A1
公开(公告)日:2014-04-17
申请号:US14123377
申请日:2012-05-29
申请人: Rikki Homma , Tomoaki Takebe , Yutaka Minami
发明人: Rikki Homma , Tomoaki Takebe , Yutaka Minami
CPC分类号: B32B27/32 , B32B5/022 , B32B27/08 , B32B27/12 , B32B2250/242 , B32B2270/00 , B32B2307/51 , B32B2307/516 , B32B2307/518 , B32B2437/00 , B32B2555/00 , B32B2555/02 , Y10T428/31913 , Y10T442/678
摘要: A multilayer elastic film which comprises a layer (A) formed of polypropylene (A) satisfying the following (a) to (d) and a layer (B) formed of a polyolefin resin or a polyolefin resin composition, and also satisfies the following formula (1): (a) (mmmm)=20 to 60% by mol, (b) (rrrr)/(1−(mmmm))≦0.1, (c) (rmrm)>2.5% by mol, and (d) (mm)×(rr)/(mr)2≦2.0; and Y≦600/X (1), wherein Y (%)=crystallinity of the resin or the resin composition to constitute the layer (B), and X (%) 32 total thickness of the layer (B)/total thickness of the multilayer elastic film×100.
摘要翻译: 一种多层弹性膜,其包含由满足以下(a)〜(d)的聚丙烯(A)形成的层(A)和由聚烯烃树脂或聚烯烃树脂组合物形成的层(B),并且还满足下式 (1):(a)(mmmm)= 20〜60摩尔%,(b)(rrrr)/(1(mmmm))< ll; 0.1,(c)(rmrm)> 2.5摩尔% d)(mm)×(rr)/(mr)2≦̸ 2.0; Y(%)=构成层(B)的树脂或树脂组合物的结晶度,X(%)32层的总厚度(B)/总厚度 多层弹性膜×100。