C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/5702, 400/76
C08L 67/00 (2006.01) C08K 7/04 (2006.01)
Patent
CA 2006203
TITLE POLYESTER RESIN FILLED WITH LOW-ADHESIVE GLASS FIBRE ABSTRACT OF THE DISCLOSURE A glass or mineral fibre-filled polyester resin comprising a polyetherester or poly(etherimide ester) or a blend of one or both of a polyetherester or a poly(etherimide ester) with poly(butylene terephthalate) or poly(ethylene terephthalate). The composition must not have a matrix phase of poly(butylene terephthalate) or poly(ethylene terephthalate). The fibre has substantially no adhesion for the polyester base resin. The glass or mineral fibres effectively control the coefficient of linear thermal expansion of the polymer blend. The low adhesive fibre does not result in the reduction in toughness associated with conventional reinforcing adhesive fibre (which is coated with a coupling agent for the resin).
Bennett Jones Llp
E. I. Du Pont de Nemours And Company
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