Polyisocyanurate/polyurethane elastomers based on suspensions of

Details Polyisocyanurate/polyurethane elastomers based on suspensions of Polyisocyanurate/polyurethane elastomers based on suspensions of

1984-11-14

1985-12-24

Cockeram, Herbert S.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

252182, 525450, 525451, 525454, 521902, C08G 1814, C08G 1842

Patent

active

045607087

ABSTRACT:
Crystallite suspensions containing from 3 to 70 weight percent of a crystalline, ethylenically unsaturated polyester prepared through condensation polymerization, and having a molecular weight factor per double bond of 154.4 to 408, as the dispersed phase, and from 30 to 97 weight percent of a polyhydroxyl compound having a functionality of from 2 to about 8, a hydroxyl number of from 20 to 800, and a melting point of less than 30.degree. C. as the coherent phase are suitable for preparing non-cellular and cellular polyurethane- or polyurethane group-containing polyisocyanurate foams.

REFERENCES:
patent: 4093569 (1978-06-01), Reischl et al.
patent: 4165432 (1979-08-01), Preston et al.
patent: 4211849 (1980-07-01), Kollmeier et al.
patent: 4243755 (1981-01-01), Marx et al.
patent: 4260530 (1981-04-01), Reischl et al.
patent: 4452920 (1984-06-01), Joubert
patent: 4452922 (1984-06-01), Speranza et al.

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