Water soluble phenolic resole-urea composition

Details Water soluble phenolic resole-urea composition Water soluble phenolic resole-urea composition

1986-06-18

1988-07-12

Ivy, C. Warren

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...

528164, 528143, C08G 828

Patent

active

047571080

ABSTRACT:
A water soluble phenolic resole-urea composition useful as a binder which remains infinitely water-dilutable and free of sediment after one month of storage at 0.degree. C. and is made by the reaction of urea with the free formaldehyde in a phenolic resole under acid conditions, followed by the further addition of urea at neutral or slightly basic conditions.

REFERENCES:
patent: Re30375 (1980-08-01), Deuzman
patent: 3072595 (1963-01-01), Barth
patent: 3594343 (1971-07-01), Huck
patent: 3616179 (1971-10-01), McCombs
patent: 3907724 (1975-09-01), Higginbottom
patent: 3919134 (1975-11-01), Higginbottom
patent: 3956204 (1976-05-01), Higginbottom
patent: 3956205 (1976-05-01), Higginbottom
patent: 4060504 (1977-11-01), Higginbottom
patent: 4176105 (1979-11-01), Miedaner
patent: 4710406 (1987-12-01), Fugier
Chem. Abstract 103:216573g.

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