Polyurethane coated safety glass

Details Polyurethane coated safety glass Polyurethane coated safety glass

1985-01-30

1986-08-12

McCamish, Marion C.

Stock material or miscellaneous articles

Composite

Of polyamidoester

4284256, 4284259, B32B 2740

Patent

active

RE0322245

ABSTRACT:
A scratch-resistant polyurethane coating for safety windows is made by curing a sheet of a liquid composition comprising (1) a polyglycol ether resulting from the condensation of propylene oxide with trimethylolpropane and containing 10.5%-12.0% free hydroxyls and (2) a biuret of 1,6-hexamethylene-diisocyanate, having 21-22% isocyanate groups, the weight ratio of said biuret to said polyglycol ether being about 0.9-1.1.

REFERENCES:
patent: 3428609 (1969-02-01), Chilvers
patent: 3657057 (1972-04-01), Shorr et al.
patent: 3671370 (1972-06-01), Littell, Jr.
patent: 3791914 (1974-02-01), Ammons et al.
patent: 3804810 (1974-04-01), Fryd
patent: 3806486 (1974-04-01), Endriss et al.

Affiliated with

Also associated with

Rating

Polyurethane coated safety glass does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Polyurethane coated safety glass, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Polyurethane coated safety glass will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1929593