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US 2023/0295368 A1Published application
Catalyst for dissociation of blocking agent for blocked isocyanates, and thermosetting composition containing said catalyst for dissociation of blocking agent
AssigneeKoei Chemical Company, Limited
InventorsMotoyoshi MIYAGI, Hitomi TSUBOI, Shingo NITTA
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Abstract
A blocking agent dissociation catalyst for blocked isocyanates comprising a nitrogen-containing compound represented by Formula (1a): wherein D is represented by Formula (2): wherein R1, R2, R3, R4, and a are as described in the specification.
Claims9
A blocking agent dissociation catalyst for blocked isocyanates comprising a nitrogen-containing compound represented by Formula (1a):
- wherein D is a nitrogen-containing organic group represented by Formula (2):
- wherein R1, R2, R3, and R4 are the same or different, and each represents a hydrocarbon group that may contain a heteroatom;
- some or all of R1, R2, R3, and R4 may be bonded together to form a ring structure;
- X represents a nitrogen atom, an oxygen atom, or a sulfur atom;
- and a represents 0 or 1, wherein a is 1 when X represents a nitrogen atom, and a is 0 when X represents an oxygen atom or a sulfur atom.
2 more elements
2-5. (canceled)
(canceled)
Dependencies are inferred from the claim text.