Phenolic resin forming material and method of manufacturing same

Details Phenolic resin forming material and method of manufacturing same Phenolic resin forming material and method of manufacturing same

1996-09-25

1998-03-31

Mullis, Jeffrey C.

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

Synthetic resins

Process of treating scrap or waste product containing solid...

525480, 525504, C08H 1124

Patent

active

057339422

ABSTRACT:
This invention relates to a granular phenolic resin forming material. Grains are obtained by pulverizing a hardened phenol resin or epoxy resin, particularly a waste, having aromatic rings. The grains are heated to react with a phenolic substance, to solubilize at least surfaces thereof, whereby the grains are made formable again. The pulverized, hardened grains and the phenolic substance, preferably a phenol, are mixed in the ratio of 100/10 to 100/90. An acid catalyst may be used, as necessary, in a quantity not exceeding 9 parts. A preferred reaction temperature is 80.degree. to 180.degree. C. at atmosphere pressure. The forming material of this invention may be formed with hexamine compounded therewith.

REFERENCES:
patent: 4118346 (1978-10-01), Summers
Horiuchi et al., CA 99:177,077, Abstracting Netsukokasei Jushi, 4(2), 63, 1983.
Ide, CA 126:118,581, Abstracting JP08301962, 1996.
Lignyte Co. Ltd., WPIDS Database AN 97-048378, Abstracting JP08301962A, 1996.

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