Continuous production of phenol-formaldehyde resin and laminates

Details Continuous production of phenol-formaldehyde resin and laminates Continuous production of phenol-formaldehyde resin and laminates

1982-03-17

1983-11-01

Schain, Howard E.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

428526, 428531, C08G 810

Patent

active

044131135

ABSTRACT:
A process is disclosed whereby water-soluble phenol-formaldehyde resins are produced from molten phenol and particulate paraformaldehyde in the presence of an alkaline catalyst by reacting in a coil container at a temperature ranging from about 90.degree. C. to 120.degree. C. Apparatus for conducting the reaction and decorative laminates produced from the resultant resin are also disclosed.

REFERENCES:
patent: 2658054 (1953-11-01), Coleman et al.
patent: 2688606 (1954-09-01), Schmitt et al.
patent: 2750354 (1956-06-01), Merriam
patent: 3308096 (1967-03-01), Ivanov et al.
patent: 3657188 (1972-04-01), Perkins

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