초록

An adhesive foam comprises a foamed mixture of a foamable homo- or co-polymer and a foamable olefin-unsaturated carboxylic acid copolymer, the mixture containing at least 3 weight percent of polymer units derived from the acid.

대표청구항 ▼

A polymeric foam comprising a foamed mixture of polymeric components (a) and (b) in a ratio by weight of from 5:95 to 95:5, (a) being a foamable olefinic substantially non-aromatic homo- or co-polymer devoid of polar units having a melt index of 0.1 to 250 g/10 minutes and (b) being a foamable olefi

A polymeric foam comprising a foamed mixture of polymeric components (a) and (b) in a ratio by weight of from 5:95 to 95:5, (a) being a foamable olefinic substantially non-aromatic homo- or co-polymer devoid of polar units having a melt index of 0.1 to 250 g/10 minutes and (b) being a foamable olefin-unsaturated carboxylic acid copolymer, the said foamed mixture comprising at least 3 weight percent of polymer units derived from the unsaturated carboxylic acid.