Coating processes – With post-treatment of coating or coating material – Heating or drying
Patent
1983-05-31
1985-01-22
Lusignan, Michael R.
Coating processes
With post-treatment of coating or coating material
Heating or drying
4273897, 4273935, 528 45, 528 61, B05D 302, C08G 1881, C08G 1810, C08G 1832
Patent
active
044952295
ABSTRACT:
A polyurethane one-component heat-curing coating which is stable in storage and is hardened above a temperature of about 120.degree. C., comprising a polyol compound having a low glass transition temperature, and a blocked polyisocyanate compound, wherein the blocked polyisocyanate compound is the reaction product of a polyisocyanate compound and a secondary amine compound having the formula: ##STR1## wherein R is selected from the group consisting of hydrogen atom, C.sub.3 -C.sub.9 alkyl radical, unsubstituted cycloalkyl radical, cycloalkyl radical substituted by C.sub.1 -C.sub.4 alkyl radicals, or heteroatom-containing cycloalkyl radical, wherein each R is identical to or different from each other; R.sup.1 is selected from the group consisting of alkyl radical, or cycloalkyl radical, wherein each R.sup.1 is identical to or different from each other; or R and R.sup.1 are chemically bonded therebetween, thereby forming a ring structure.
REFERENCES:
patent: 3115479 (1963-12-01), Windemuth et al.
Schmitt Felix
Wolf Elmar
Chemische Werke Huls A.G.
Lusignan Michael R.
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