Surface hardner for nylon lens

Details Surface hardner for nylon lens Surface hardner for nylon lens

1984-08-21

1986-05-06

Ziegler, Jacob

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

351166, 428447, 4284755, C08F 250, C08F 3008, G02C 704

Patent

active

045869960

ABSTRACT:
A surface hardner for nylon lens comprising (a) a polyfunctional acrylic ester monomer, (b) a photoinitiator, and (c) a diluent, said photoinitiator consisting of a combination of a hydrogen abstraction type photoinitiator and an .alpha.-cleavage type photoinitiator, and optionally a silane compound containing at least one polymerizable unsaturated bond. Said surface hardner is effective for giving the nylon lens excellent impact resistance and wear resistance, and when the silane compound is incorporated, it can give also an excellent adhesion between the hardner layer and nylon lens.

REFERENCES:
patent: 4504231 (1985-03-01), Koblitz et al.

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