C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
117/143, 402/23
C09D 4/00 (2006.01) C08G 18/28 (2006.01) C08G 18/79 (2006.01) C09D 101/00 (2006.01) C09D 201/00 (2006.01)
Patent
CA 1279144
ABSTRACT OF THE DISCLOSURE A composition capable of providing, upon hydrolyzing and curing, a protective coating for substrates such as, for example, a plastic substrate having a vacuum metallized or vacuum sputtered sur- face comprises the reaction product of: (a) an isocyanurate polyisocyanate having the following formula: Image wherein R4 is a substituted or unsubstituted ali- phatic or cycloaliphatic group having from 1 to 12 carbon atoms or an aryl group and (b) an amino disilane having the formula: Image wherein R is a lower alkyl having 1 to about 6 carbon atoms; R1 is a lower alkyl having 1 to about 4 carbon atoms; R2 and R3, which may be the same or different, are each substituted or unsubstituted alkylene radi- cals having 2 to 18 carbon atoms or arylene radicals having 6 to 18 carbon atoms; and a is an integer having values of 0 to 2, the protective coating ad- hering particularly well to such surfaces and having especially superior resistance to ultraviolet light, humidity, air and heat.
529058
Gowling Lafleur Henderson Llp
Morton International Inc.
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