Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1995-08-03
1997-10-07
Clark, W. Robinson H.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525453, 525460, 528 44, 528 45, 528 59, 528 65, 528 70, C08L 7504, C08L 7508
Patent
active
056749511
ABSTRACT:
Coating compositions are disclosed which use a polyoxetane polymer having CH.sub.2 --O---CH.sub.2 --R.sub.f side chains where R.sub.f is a highly fluorinated alkyl or polyether. The coating compositions use polyisocyanates to create isocyanate terminated polymers from the poly(oxetanes) and from various polyols from alkylene oxides or polyester polyols. These can be reacted together to form block copolymer structures or can be linked together when the coating is crosslinked. A preferred method is to use blocked isocyanate groups. Another preferred embodiment is to use the composition as a abrasion resistant coating for glass run channels.
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Hargis I. Glen
Kausch Charles M.
Livigni Russell A.
Malik Aslam A.
Melby Earl G.
Clark W. Robinson H.
GenCorp Inc.
Laferty Samuel B.
Rywalski Robert F.
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