Process for isolating boron-containing phenol/formaldehyde resin

Details Process for isolating boron-containing phenol/formaldehyde resin Process for isolating boron-containing phenol/formaldehyde resin

1979-11-06

1980-11-04

Schain, Howard E.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

260 19R, 260 19N, 260 19UA, 525508, 528129, 528153, 528502, C08G 810, C08G 820, C08G 828

Patent

active

042321344

ABSTRACT:
Boron containing phenol/formaldehyde resins can be isolated from their reaction media by evaporating said resins in a spiral flow evaporator which has a ratio between throughput and tube cross section from 0.1 to 1.5 and a ratio between throughput and evaporation surface from 100 to 400.

REFERENCES:
patent: 4073757 (1978-02-01), Schmidt et al.
patent: 4182697 (1980-01-01), Schmidt et al.

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