Chemistry: electrical and wave energy – Processes and products – Processes of treating materials by wave energy
Patent
1981-03-26
1982-06-29
Bleutge, John C.
Chemistry: electrical and wave energy
Processes and products
Processes of treating materials by wave energy
20415919, 525 28, 525440, 528 75, 524873, 524539, C08F 250, C08J 328
Patent
active
043371302
ABSTRACT:
A photopolymerizable polyurethane composition comprising (1) a polyurethane based on an aliphatic diisocyanate, poly(hexamethylene isophthalate glycol) and, optionally, 1,4-butanediol; (2) a polyfunctional acrylic ester; (3) a photoinitiator; and (4) an anti-oxidant, can be formulated so that it provides a hard, abrasion-resistant, and stain-resistant finish for floor tiles or so that it can be used as a scratch-resistant and stain-resistant outer coating for bilayer automotive safety glass assemblies.
REFERENCES:
patent: 2948611 (1960-08-01), Barney
patent: 3912516 (1975-10-01), Recchia
patent: 3979548 (1976-09-01), Schafer et al.
patent: 4013806 (1977-03-01), Volkert et al.
Bleutge John C.
E. I. Du Pont de Nemours and Company
Koeckert Arthur H.
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