C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 67/00 (2006.01) C08J 5/18 (2006.01) C08K 3/34 (2006.01) C08K 7/20 (2006.01) C08K 13/04 (2006.01)
Patent
CA 2127973
ABSTRACT POLYESTER FILMS CONTAINING GLASS SPHERES AND CALCINED CHINA CLAY The present invention relates to films or sheets of linear polyester having incorporated therein a combination of glass spheres and calcined clay having certain particle sizes and present in specific amounts based upon the weight of the polyester film. The addition of these fillers improves several properties of the film, including the handleability while maintaining acceptable optical clarity and transparency and to the method of making such films or sheets.
Mills Paul D. A.
Siddiqui Junaid A.
Bennett Jones Llp
E.i. Du Pont de Nemours And Company
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