Multicellular stretched articles from thermosplastic matrix...

Details Multicellular stretched articles from thermosplastic matrix... Multicellular stretched articles from thermosplastic matrix...

B - Operations, Transporting

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B29C 67/20 (2006.01) B29C 55/02 (2006.01) C08J 9/00 (2006.01) D01D 5/247 (2006.01) D01F 1/10 (2006.01)

Patent

CA 1059274

ABSTRACT A process for the manufacture of a multicellular stretched sheet which comprises melt compounding a thermoplastic-matrix polymer and an addi- tive comprising a polymeric or non-polymeric organic compound or a metal salt of an organic acid, forming the blend into a shaped article and stretching the article at a temperature within the normal orientation tem- perature of the matrix polymer and below the glass-transition temperature of a polymeric additive or below the melting or softening point of a non- polymeric additive.

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