Isocyanurate polyisocyanate and its use as a curing agent for a

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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25218221, 528 73, C08G 1874

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active

048016632

ABSTRACT:
A novel isocyanurate polyisocyanate is disclosed containing N,N',N"-tris(6-isocyanatohexyl)-isocyanurate in an extremely high proportion and having an extremely low viscosity. The novel isocyanurate polyisocyanate is excellent not only in compatibility with a polyol having a low polarity but also in solubility in a solvent having a low polarity as well as in a polar solvent. The novel isocyanurate polyisocyanate is very useful as a curing agent for a two-component polyurethane composition, especially a two-component polyurethane coating composition. The two-component polyurethane coating composition of the present invention is capable of providing a coat film having extremely excellent properties.

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patent: 4412073 (1983-10-01), Robin
patent: 4503175 (1985-03-01), Houze et al.
patent: 4614785 (1986-09-01), Richten et al.

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