Melamine resin and dye mixtures

Details Melamine resin and dye mixtures Melamine resin and dye mixtures

1975-06-03

1978-09-26

De Benedictis, Sr., Thomas

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 173, 260 312XA, 260 318R, 260 334R, 260 342, 260 39R, 260 39P, 260860, 425812, C08L 7900

Patent

active

041169182

ABSTRACT:
Melamine-formaldehyde resins of high transparency, good light fastness and low solubility are prepared from heavily N-oxymethylated melamines highly etherified with C.sub.1 to C.sub.2 alkyl, by vented kneading in liquid form at 120.degree.-160.degree. C followed by curing, all without local overheating and without the application of kneading pressure to solidified resin. A self-cleaning kneader is used and the resin that is produced is highly suited for carrying fluorescent dyes and the like.

REFERENCES:
patent: 2851424 (1958-09-01), Switzer et al.
patent: 2938873 (1960-05-01), Kazenas
patent: 3487048 (1969-12-01), Deuzeman
patent: 3647755 (1972-03-01), Giller
patent: 3812051 (1974-05-01), Merkle et al.
Penn, PVC Technology, 3 ed., (Applied Science 1971), pp. 270, 285-286.
Chem. Abs. 81:P14737(e); 81:P154737(e); 82:P157930(u); 82:P44362(s).

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