C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 51/00 (2006.01) C08G 18/63 (2006.01) C08L 53/00 (2006.01) C08L 55/02 (2006.01) C08L 75/04 (2006.01)
Patent
CA 2061518
ABSTRACT The toughness of a thermoplastic, rigid polyurethane is markedly improved by incorporating an NCO-reactive impact modifier such as styrene/butadiene rubber grafted with a copolymer of styrene, acrylonitrile and 2-hydroxyethyl acrylate. This toughened polyurethane is particularly useful in making structural automotive body parts and housings for electrical appliances. 38,344-F
Chen Augustin T.
Ehrlich Benjamin S.
Henton David E.
Moses Paul J.
Smart & Biggar
The Dow Chemical Company
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