Coatings which are abrasion resistant

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

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524264, 524265, 524266, 524268, 524506, 524538, 525440, 525452, 525453, 4284231, 4284239, 428447, 4284744, C08K 554, C08L 4300, B32B 2724

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047205180

ABSTRACT:
Thermoplastic polymers or resins containing amide groups such as the nylons can readily be brominated or chlorinated in organic solvents to convert the (--NH--) units to (--NBr--) or (--NCl--) units and to form solutions of the N-brominated or N-chlorinated thermoplastic polymers or resins. These N-brominated or N-chlorinated thermoplastic polymer or resin solutions can be blended with silicones (siloxanes) and optionally with at least one finely divided material selected from the group consisting of inorganic and organic fillers and pigments and then can be coated on a cellular or solid rubbery hydrocarbon polymer substrate, such as an EPDM rubber in the form of a weatherstrip or glass run channel, dried and irradiated with ultraviolet light or heated at a temperature and for a period of time sufficient to reform the amide groups and to provide the rubbery substrate with an adherent and abrasion resistant coating which also exhibits a reduced coefficient of friction.

REFERENCES:
patent: 4572871 (1986-02-01), Mabuchi
patent: 4572872 (1986-02-01), Yamazaki
patent: 4640950 (1987-02-01), Nishino

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