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US 2026/0308302 A1Published application
Catalyst composition for production of polyurethane foam and method for producing polyurethane foam using same
AssigneeNitto Kasei Co., Ltd.
InventorHaruka YOSHIYAMA
Life of this patent
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Abstract
A catalyst composition for producing polyurethane foam that is highly safe, has a practical curing speed, and allows the produced polyurethane foam to meet air permeability requirements. The catalyst composition for producing polyurethane foam containing a tin compound (A) and a tin compound (B).
Claims5
A catalyst composition for producing polyurethane foam, comprising:
- a tin compound (A) represented by the following chemical formula (1):
- wherein, R1, R2, and R3 are each a hydrogen atom or a hydrocarbon group having 1 to 10 carbon atoms, and may be the same as or different from each other. R4 and R6 are each a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms, or a substituted or unsubstituted alkoxy group having 1 to 20 carbon atoms, and may be the same as or different from each other. R5 is a hydrogen atom, a hydrocarbon group having 1 to 10 carbon atoms, or a halogen. n and m are integers, n=0 or 1, and n+m=2;
- and
- a tin compound (B) represented by the following chemical formula (2):
- wherein R7, R8, and R9 are each a hydrogen atom or an alkyl group having 1 to 10 carbon atoms, and may be the same as or different from each other.
2 more elements
Dependencies are inferred from the claim text.