C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/32 (2006.01) C08G 18/44 (2006.01) C08G 18/66 (2006.01) C08G 18/75 (2006.01)
Patent
CA 2647153
The present invention provides polyurethane materials including a first portion of crystalline particles having self-orientation and bonded together to fix their orientation along a first crystallographic direction and a second portion of crystalline particles having self-orientation and bonded together to fix their orientation along a second crystallographic direction, the first crystallographic direction being different from the second crystallographic direction, wherein said crystalline particles comprise greater than about 30% of the total volume of the polyurethane material; compositions, coatings and articles made therefrom and methods of making the same.
La présente invention concerne des matériaux à base de polyuréthanne comportant une première partie de particules cristallines auto-orientées et assemblées pour fixer leur orientation selon une première direction cristallographique et une seconde partie de particules cristallines auto-orientées et assemblées pour fixer leur orientation selon une seconde direction cristallographique, la première direction cristallographiques étant différente de la seconde direction cristallographique, lesdites particules cristallines comportant un pourcentage supérieur à environ 30 % du volume total du matériau à base de polyuréthanne. L'invention concerne également des compositions, des revêtements et des articles fabriqués à partir dudit matériau et des procédés de fabrication de dudit matériau.
Frain Veronica Lynn
Hunia Robert
Rukavina Thomas G.
Dimock Stratton Llp
Ppg Industries Ohio Inc.
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