Composite comprising unsaturated polyester-flexible polymer block copolymer coated fiber structures in a polyester or vinyl ester resin matrix
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United States of America Patent
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Aug 2, 1994
Grant Date -
N/A
app pub date -
Jan 30, 1992
filing date -
Jan 30, 1992
priority date (Note) -
Expired
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Abstract
A composite material having a coated fiber structure dispersed in a polyester matrix. The coating is a block copolymer having an elastomer block bonded to an ester block. The coating provides a flexible barrier between the fiber structure and the polyester matrix which results in a strong fiber reinforced composite having better crack resistance and improved toughness. The composite is particularly suited for use as a molding compound for use in the production of automotive body panels and structural components, aircraft components, sporting goods, housings for electrical and various other consumer goods, etc.
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