Fire retardant polymer resin

Details Fire retardant polymer resin Fire retardant polymer resin

1988-02-18

1989-04-11

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428247, 428255, 428269, 428283, 428921, 521 85, 521103, 521136, 521181, 521907, 523219, 524876, 528138, 528155, 528156, B32B 700, C08G 800, C08K 338, C08K 340

Patent

active

048205761

ABSTRACT:
A flame-retardant polymer is created by forming a first resin typically by reacting resorcinol with furfural in a ratio of one mole of the former to less than a mole of the latter in the presence of an alkaline catalyst. A resole is then formed by reacting typically phenol with formaldehyde in a ratio of one mole of phenol to more than a mole of the aldehyde in the presence of an alkaline catalyst. The first resin and resole are mixed together with a powered oxyborate compound such as zinc borate and allowed to polymerize to form the polymer.

REFERENCES:
patent: 4275170 (1981-06-01), McAllister et al.
patent: 4309527 (1982-01-01), McAllister et al.
patent: 4409361 (1983-10-01), McAllister et al.
patent: 4471089 (1984-09-01), McAllister et al.

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