Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1984-07-13
1985-04-30
Welsh, Maurice J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
252609, 521114, 521128, 521131, 521132, 521136, 521137, 524145, 524211, 524212, C08G 1814
Patent
active
045145245
ABSTRACT:
Flexible, resilient, polyurethane foam having improved flame retardancy and intumescent properties is prepared from the reaction of polyether polyol with organic isocyanate and an additive combination comprising: (i) a polyester polyol, (ii) an halogenated flame retardant, and (iii) water or alcohol soluble urea-formaldehyde resin.
REFERENCES:
patent: 3134742 (1964-05-01), Wisman et al.
patent: 3135707 (1964-06-01), Nyquist et al.
patent: 4122049 (1978-10-01), Wagner
patent: 4130697 (1978-12-01), Stern et al.
patent: 4139501 (1979-02-01), Rudner et al.
patent: 4160075 (1979-07-01), Golser
patent: 4374207 (1983-02-01), Stone et al.
patent: 4433071 (1984-02-01), Fesman
Flash Hensley M.
Stauffer Chemical Company
Welsh Maurice J.
LandOfFree
Intumescent flexible polyurethane foam does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Intumescent flexible polyurethane foam, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Intumescent flexible polyurethane foam will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1968974