发明名称 |
Polymer composition and films thereof |
摘要 |
<p>A polymer mixt. (I) contains: (A) 50-85 wt% polyether-block-amide contg. 30-60 wt% polyamide (PA) 12, PA 11 and/or PA 12, 12 blocks and 70-40 wt% polyethylene glycol (PEG) blocks; (B) 10-40 wt% polyether-block-amide contg. 65-85 wt% PA 12, PA 11 and/or PA 12, 12 blocks and 35-15 wt% PEG blocks; and (C) 5-40 wt% of a poly(ethylene-co-vinyl acetate-g-maleic anhydride) graft copolymer contg. 95 wt.% ethylene (E), 5-25 wt% vinyl acetate (VA) and 0.1-2 wt% maleic anhydride (MA). Also claimed is a water vapour-permeable, water-impermeable film (II) obtd. from (I).</p> |
申请公布号 |
EP0675167(B1) |
申请公布日期 |
1999.01.13 |
申请号 |
EP19950103799 |
申请日期 |
1995.03.16 |
申请人 |
ELF ATOCHEM DEUTSCHLAND GMBH |
发明人 |
STEENBLOCK, ROLAND;KOCK, NORBERT;FIEDLER, DETLEF |
分类号 |
C08L77/02;C08J5/18;C08L23/08;C08L77/00;C08L77/12;(IPC1-7):C08L77/12 |
主分类号 |
C08L77/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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