专利名称：Elastic films made from alpha-olefin/vinyl
aromatic and/or aliphatic or cycloaliphaticvinyl or vinylidene interpolymers
发明人：Yunwa W. Cheung,Martin J. Guest,William R.
Van Volkenburgh
申请号：US09317390申请日：19990524公开号：US06376095B1公开日：20020423
摘要：The present invention pertains to elastic films having at least one layercomprising a substantially random interpolymer or a blend thereof. The interpolymercomprises polymer units derived from at least C&agr;-olefin and (i) at least one vinylaromatic monomer, or (ii) at least one aliphatic or cycloaliphatic vinyl or vinylidenemonomer, or (iii) a combination of at least one aromatic vinyl monomer and at least onealiphatic or cycloaliphatic vinyl or vinylidene monomer. The interpolymer may alsocomprise one or more ethylenically unsaturated polymerizable monomers other thanthose previously mentioned. The elastic films have a recovery in the cross direction ofgreater than or equal to about 80% and has a recovery in the machine direction ofgreater than or equal to about 60%.
申请人：THE DOW CHEMICAL COMPANY
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