C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
117/183, 400/400
C08K 9/06 (2006.01) C09D 3/72 (1980.01) C03C 25/02 (1980.01)
Patent
CA 1164132
ABSTRACT OF THE INVENTION Sizing compositions, sized glass fiber strands are used to produce reinforced polymeric materials that have improved UV stability while maintaining good physical properties. The sizing composition, sized glass fiber strands and reinforced polymeric materials having sized glass fiber strands involve the use of materials in the sizing composition, such as polyurethane polymers, ureido functional silanes, amino functional silanes, lubricants and processing aids. One particular aspect of the present invention is that the aqueous sizing composition and sized glass fiber strands having the polyurethane polymer dispersions, ureido functional silane and a ?-amino propyltriethoxy silane also has a lubricant modified ?-amino propyltriethoxy silane, a dibutyphthalate and polyalkylene polyol lubricant and a polyester film former. The sized glass fiber strand can be used to reinforce polymers such as polyamides, polyethylene terephthalate, polybutylene terphthalate, polystyrenico, thermosetting esters and chemical coupled polypropylene.
364201
Borden Ladner Gervais Llp
Ppg Industries Ohio Inc.
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