Dispersants for coating compositions isocyanatoalkylacrylates as

Details Dispersants for coating compositions isocyanatoalkylacrylates as Dispersants for coating compositions isocyanatoalkylacrylates as

1980-12-23

1983-01-18

Page, Thurman K.

Stock material or miscellaneous articles

Composite

Of polyamidoester

106308F, 106308M, 252316, 252356, 252357, 252358, 4273881, 4273882, 4273885, 4284231, 4284258, 525342, 525380, 525102, 525380, 5253282, 525379, 524441, B32B 2740, C08L 2700

Patent

active

043692320

ABSTRACT:
Dispersants which improve the gloss of acrylic paints are prepared by reacting the isocyanate groups of monomeric polyisocyanates or isocyanate acrylate polymers with (1) fatty amines, (2) lower alkylamines or alkanolamines and (3), optionally, aminosilanes. A formula for the dispersants may be written as: ##STR1## isocyanate residue, A is fatty amine residue with a=20-80, B is lower alkylamine or alkanolamine residue with b=80-20, and C is aminosilane residue with c=0-40, the sum of a+b+c=100, the (mole) percentage of isocyanate groups replaced.

REFERENCES:
patent: 2662027 (1953-12-01), Pike
patent: 3788996 (1974-01-01), Thompson
patent: 3893956 (1975-07-01), Brandt
patent: 4071487 (1978-01-01), Linden et al.
patent: 4173682 (1979-11-01), Noomen et al.
patent: 4176099 (1979-11-01), Pampouchidis et al.
patent: 4219632 (1980-08-01), Simms
patent: 4222909 (1980-09-01), Brixius et al.

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