Melt extrudable polyvinyl alcohol compositions

Details Melt extrudable polyvinyl alcohol compositions Melt extrudable polyvinyl alcohol compositions

C - Chemistry, Metallurgy

08

L

400/1714, 400/40

C08L 29/04 (2006.01) C08K 5/053 (2006.01) C08L 23/08 (2006.01)

Patent

CA 1068026

ABSTRACT Polyvinyl alcohol compositions of improved melt flow characteristics are obtained by the use of extrusion aids comprising a combination of a low molecular weight hydrocarbon oil or wax and a higher molecular weight ethylene homo- or copolymer. The improvement is even more pronounced in the presence of a plasticizer. The composi- tions are suitable for extrusion into a variety of forms including pellets, strands, filaments and films.

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