Method for treating discontinuous cellulose fibers, fibers...

Details Method for treating discontinuous cellulose fibers, fibers... Method for treating discontinuous cellulose fibers, fibers...

D - Textiles, Paper

06

M

400/1348, 117/20

D06M 15/248 (2006.01) C08J 5/06 (2006.01) C08L 27/06 (2006.01) D06M 15/244 (2006.01)

Patent

CA 1189213

ABSTRACT OF THE DISCLOSURE Discontinuous cellulose fibers are treated to improve their dispersability into a matrix comprising plasticized vinyl chloride polymer. The treatment includes contacting the fibers with a mixture of an aqueous dispersion of a vinyl chloride polymer and a plasticizer so as to coat the fibers, and drying the fibers. The non-aqueous portion of the mixture is usually present in an amount of at least 25 parts per 100 parts of fibers by weight, and the weight ratio of plasticizer to vinyl chloride polymer in the mixture is from 2:1 to 25:1. The discontinuous fibers thus treated can be dispersed into a matrix comprising plasticized vinyl chloride polymer with a minimum of mixing, and the improved composites thus produced con- tain a minimum of clumps of undispersed fibers.

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