Phenolic resin, procedure for preparation of the resin, and sizi

Details Phenolic resin, procedure for preparation of the resin, and sizi Phenolic resin, procedure for preparation of the resin, and sizi

1993-08-27

1994-08-23

Kight, III, John

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

524575, 524596, 525504, 528162, 428361, 428375, 4273898, 427421, C08G 1408

Patent

active

053409035

ABSTRACT:
The invention concerns a phenolic resin.
The resin is a liquid, contains phenol-formaldehyde, formaldehyde-urea and phenol-formaldehyde-amine condensates, and has a free formaldehyde content of less than 3%, this proportion being expressed as a percentage of the total fluid weight, and a dilutability rate in water which equals or surpasses 1,000%. Furthermore, the resin is stable when heated. Application to less-polluting sizing compositions for mineral fibers; and use of the fibers thus sized for the manufacture of insulating products and soilless cultivation substrates.

REFERENCES:
patent: 3868329 (1975-02-01), Brown et al.
patent: 3983041 (1976-09-01), Abbott
patent: 4710406 (1987-12-01), Fugier et al.

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