Process for producing a condensed resin dispersion

Details Process for producing a condensed resin dispersion Process for producing a condensed resin dispersion

1991-07-08

1994-09-06

Acquah, Samuel A.

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...

524594, 524596, 524597, 524611, 524612, 524721, 524755, 524757, 525398, 525472, 528 44, 528 61, 528176, 528230, 528232, 528254, 528256, C08J 307

Patent

active

053448740

ABSTRACT:
A process for producing a condensed resin dispersion, which comprises subjecting an aldehyde and a compound condensable with the aldehyde, or their precondensate, to a condensation reaction in a dispersion medium consisting essentially of water and/or an organic solvent, to precipitate fine condensed resin particles which hardly settle in said dispersion medium, and then replacing the water and/or the organic solvent by an active hydrogen-containing compound having at least two active hydrogen-containing groups reactive with isocyanate groups.

REFERENCES:
patent: 4122049 (1978-10-01), Wagner
patent: 4130697 (1978-12-01), Stern et al.
patent: 4206109 (1980-06-01), Reischel et al.
patent: 4225481 (1980-09-01), Wagner
patent: 4246160 (1981-01-01), Wagner et al.
patent: 4260530 (1981-04-01), Reischel et al.
patent: 4282135 (1981-08-01), Wagner
patent: 4301262 (1981-11-01), Wagner et al.
patent: 4454254 (1984-06-01), Reichel et al.
patent: 4482651 (1984-11-01), Reischel et al.
Chemical Abstracts, vol. 89, No. 16, Oct. 16, 1978, p. 32, abstract No. 130358w, Columbus, OH, US; JP-A-53 54 298 Mitsubishi Gas Chemical Co., Inc.) May 17, 1978.

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