Fire retardant water repellent impregnating resins

Details Fire retardant water repellent impregnating resins Fire retardant water repellent impregnating resins

1985-03-21

1986-05-06

Phynes, Lucille M.

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

Synthetic resins

From carboxylic acid or derivative thereof

428285, 428286, 428287, 428290, 4283044, 428481, 4285371, C08G 6368

Patent

active

045873283

ABSTRACT:
A heat curable, polyester type impregnating composition is made, containing acid, and hydroxyl components containing fluorinated alcohol and non-fluorinated polyol, and where a fluorinated aliphatic alcohol having a perfluoroalkyl group from 4 carbon atoms to 12 carbon atoms constitutes from 1 wt. % to about 40 wt. % of the total fluorinated alcohol plus non-fluorinated polyol content of the composition, the composition being useful to impregnate porous tapes wrapped around electrical conductors, or to impregnate porous substrates used to make laminates, the impregnate upon cure imparting water and flame repellent characteristics.

REFERENCES:
patent: 2801672 (1957-08-01), Baldwin et al.
patent: 3171861 (1965-03-01), Ahlbrecht
patent: 3493546 (1970-02-01), Cottrill et al.
patent: 3504016 (1970-03-01), Smeltz
patent: 4238602 (1980-12-01), Griffin
patent: 4421877 (1983-12-01), Alvino

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