Spray dried phenol-formaldehyde resin compositions

Details Spray dried phenol-formaldehyde resin compositions Spray dried phenol-formaldehyde resin compositions

1990-06-04

1991-05-28

Jacobs, Lewis T.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524404, 524701, C08K 338

Patent

active

050196189

ABSTRACT:
A pre-cure resistant powder resin binder for waferboard/oriented strandboard manufacture is manufactured from spray drying a liquid resin composition containing a low advanced phenol-formaldehyde resin and a water soluble oxo compound of boron. The spray dryability of the low molecular weight phenol-formaldehyde resin is enhanced by the addition of the oxo boron compound.

REFERENCES:
patent: 2976574 (1961-03-01), Keutgen et al.
patent: 3298973 (1967-01-01), Quarles et al.
patent: 4098770 (1978-07-01), Berchem et al.
patent: 4424300 (1984-01-01), Udvardy et al.
patent: 4824896 (1989-04-01), Clarke et al.
patent: 4935457 (1990-06-01), Metzner et al.
German Offen. DE271775 of Dec. 1, 1977.

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