Melamine resin, process for its manufacture and its use for the

Details Melamine resin, process for its manufacture and its use for the Melamine resin, process for its manufacture and its use for the

1982-01-11

1983-08-30

Phynes, Lucille M.

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

Synthetic resins

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

428524, 428530, 428537, 525420, 528249, 528267, 528269, C08G 828, C08F28300

Patent

active

RE0313661

ABSTRACT:
A melamine-formaldehyde resin useful for making coated wood-based materials and laminates and having a prolonged pot life comprises (a) melamine-formaldehyde precondensation product wherein the molar ratio of melamine:formaldehyde is 1:1.4 to 1:2.6 (b) 0.1 to 1.0% by weight based on total solids, of an amine of the formula ##STR1## wherein R.sup.1 and R.sup.2 are each identical or different alkyl having 1 to 4 carbon atoms and R.sup.3 is 2-hydroxyethyl, 2-(2-hydroxyethoxy)-ethyl, 3-hydroxy-1-propyl, 3-hydroxy-2-propyl, 2,3-dihydroxypropyl or

REFERENCES:
patent: 3130178 (1964-04-01), Galinke et al.
patent: 3194719 (1965-07-01), Larkin et al.
patent: 3194720 (1965-07-01), Grundus et al.
patent: 3830782 (1974-08-01), Erdmann et al.
patent: 3914523 (1975-10-01), Schnee et al.
patent: 4076896 (1978-02-01), Bunkowski
patent: 4141872 (1979-02-01), Bunkowski
patent: 4185017 (1980-01-01), Piesch et al.

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