Melt extrudable polyvinyl alcohol compositions

Details Melt extrudable polyvinyl alcohol compositions Melt extrudable polyvinyl alcohol compositions

1974-11-25

1976-12-14

Marquis, Melvyn I.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 23AR, 260 235R, 260 235A, 260 285AV, 260 324, 260 326R, 260 336UA, 260 334R, 260897R, 260897B, C08L 9100

Patent

active

039974898

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.

REFERENCES:
patent: 3525636 (1970-08-01), Bogart
patent: 3607812 (1971-09-01), Takigawa et al.

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