Silicon compounds containing SiC-bonded biuret groups and a meth

Details Silicon compounds containing SiC-bonded biuret groups and a meth Silicon compounds containing SiC-bonded biuret groups and a meth

1986-02-18

1987-03-17

Marquis, Melvyn I.

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

Synthetic resins

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

525438, 528 25, 528 26, 528 27, 528 28, 528 29, 556414, 556421, C08F 2000

Patent

active

046508350

ABSTRACT:
Organosilicon compounds containing SiC-bonded biuret groups are prepared by (I) adding a silane containing 1 or 2 silicon atoms per molecule and an SiC-bonded organic radical having at least one basic ##STR1## group and at least one SiOC-bonded aliphatic radical per molecule to a monoisocyanate or a diisocycanate at a temperature up to 125.degree. C. and (II) maintaining the temperature at 110.degree. C. to 125.degree. C. for at least two minutes. In an alternate procedure the silane and mono- or diisocyanate may be heated to a temperature in the range of from 110.degree. C. up to 200.degree. C. for at least two minutes, after or while adding additional monoisocyanate or diisocyanate.
The resultant silicon compounds are used in the preparation of polyurethanes and as additives to lacquers.

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