Glyceryl monostearate plastic lubricants
AssigneeGlyco Inc.
InventorsMarvin Rosen, Larry K. Hall
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Abstract
Substantial improvement in the heat stability of rigid plastic products, such as polyvinyl chloride, is obtained by incorporating therein glyceryl monostearate having less than 4% contained glycerine.
Claims10
A method for improving early color and long-term heat stability under dynamic processing conditions of a rigid plastic material selected from the group consisting of polyvinylchloride, acrylonitrile-butadiene-styrene copolymer and polypropylene which comprises adding to said material a glyceryl monostearate lubricant containing less than 4% glycerine.
A rigid plastic material having improved early color and enhanced long-term heat stability under dynamic processing conditions comprising a rigid plastic material selected from the group consisting of polyvinylchloride, acrylonitrile-butadiene-styrene copolymer and polypropylene in combination a glyceryl monostearate lubricant containing less than 4% glycerine.
Dependencies are inferred from the claim text.