Novel aromatic amide polyols from the reaction of phthalic acid

Details Novel aromatic amide polyols from the reaction of phthalic acid Novel aromatic amide polyols from the reaction of phthalic acid

1982-11-22

1984-04-10

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

252182, 521 485, 521164, 528291, 5283081, 560 89, 560 92, 560 93, C08G 1814

Patent

active

044422377

ABSTRACT:
Mixtures of aromatic polyols containing tertiary amine and ester functionalities suitable for use in rigid foams prepared by reacting a phthalic acid residue with an alkylene glycol and an amino alcohol are described. These novel polyols may be blended with conventional polyols to yield rigid polyurethane foams with better flammability resistance as compared with foams made from conventional polyols alone.

REFERENCES:
patent: 3647759 (1972-03-01), Walker
patent: 4048104 (1977-09-01), Svoboda et al.
patent: 4100354 (1978-07-01), Owen
patent: 4223068 (1980-09-01), Carlstrom et al.
patent: 4237238 (1980-12-01), DeGuiseppi et al.
patent: 4246365 (1981-01-01), Wiedemann et al.

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