Surface smoothing agent for polyurethane coating film, composition, curing agent, polyurethane resin-forming composition, coating composition, and coating film
AssigneeTosoh Corporation
InventorsYuya WADA, Yuji NAKASHIMA
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Abstract
A composition comprising a polyisocyanate, wherein the polyisocyanate comprises a derivative derived from an aliphatic diisocyanate, and a content of a cyclic compound represented by the following formula (1) is from 0.1 to 15% by mass with respect to a total amount of the composition. [In Formula (1), n is an integer from 1 to 6, and R1 and R2 are each independently a hydrogen atom or a monovalent organic group having 1 to 20 carbon atoms.]
Claims10
A composition comprising a polyisocyanate, wherein
- the polyisocyanate comprises a derivative derived from an aliphatic diisocyanate, and
- a content of a cyclic compound represented by the following formula (1) is from 0.1 to 15% by mass with respect to a total amount of the composition:
- wherein in the formula (1), n is an integer from 1 to 6, and R1 and R2 are each independently a hydrogen atom or a monovalent organic group having 1 to 20 carbon atoms.
A surface smoothing agent for a polyurethane coating film, comprising a cyclic compound represented by the following formula (1):
- wherein in the formula (1), n is an integer from 1 to 6, and R1 and R2 are each independently a hydrogen atom or a monovalent organic group having 1 to 20 carbon atoms.
Dependencies are inferred from the claim text.