Amino resin dispersion with reduced aldehyde content, process th

Details Amino resin dispersion with reduced aldehyde content, process th Amino resin dispersion with reduced aldehyde content, process th

1995-05-08

1997-02-04

Michl, Paul R.

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

Synthetic resins

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

525519, 528492, 528493, 528491, 528484, 524592, 524597, 524598, C08F28300, C08G 828, C08L 6100, C08L 6120, C08L 6134

Patent

active

055998844

ABSTRACT:
Amino resins that contain more free formaldehyde than is desirable for health and/or pollution reasons can be treated with a mixture of diketo reagents (or their nitrogen analogs) and other compounds containing amino moieties to reduce the free formaldehyde content while not diminishing, and in some cases even enhancing, the ability of the resins to function according to their normal uses. The invention is especially useful for melamine-formaldehyde resin dispersions useful to detackify paint.

REFERENCES:
patent: 3634038 (1969-09-01), Rampy
patent: 4656059 (1987-04-01), Mizuno et al.
patent: 5112652 (1992-05-01), Greene
CHEMetrics Vacu-Vials.RTM. self-filling ampoules for photometric analysis No. K-4203.
Eastman Chemicals BKB (beta-Ketobutyramide or Acetoscetemide).

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