Coating polyisocyanates having built-in hals stabilizer

Details Coating polyisocyanates having built-in hals stabilizer Coating polyisocyanates having built-in hals stabilizer

C - Chemistry, Metallurgy

07

D

C07D 211/58 (2006.01) C08G 18/78 (2006.01) C08G 18/80 (2006.01) C09D 175/04 (2006.01)

Patent

CA 2219832

Disclosed is a polyisocyanate having a built-in HALS stabilizer, which is an adduct of aliphatic, (cyclo)aliphatic or cycloaliphatic diisocyanate and a compound of the formula: Image (wherein A is H or R-CH(OH)-CH2-; R is H or (C1_20)alkyl or cycloalkyl and X is H, CH3, CH3CO- or R-CH (OH)-CH2-). The polyisocyanate is useful for a polyurethane coating.

L'invention porte sur un polyisocyanate avec un stabilisateur HALS incorporé, produit d'addition d'un diisocyanate aliphatique, (cyclo)aliphatique ou cycloaliphatique et d'un composé de formule Image (où A est H ou R-CH(OH)-CH2-; R est H, un cycloalkyle ou un alkyle C1-20, et X est H, CH3, CH3CO- ou R-CH (OH)-CH2-). Le polyisocyanate est utile pour un revêtement de type polyuréthane.

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