Hindered amine compound, resin composition, polyurethane fiber and production method and use thereof
AssigneeToyo Boseki Kabushiki Kaisha
InventorsKota Kitamura, Chihiro Oshimo, Genei Matsukawa, Futoshi Ishimaru
Life of this patent
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Abstract
A hindered amine compound having thesolubility in an acidic solution of 5.0×10−3 eq./liter or less comprising at least two specific organic groups in a specific weight ratio in a molecule, or at least two specific monomeric units, which can be used as a stabilizer of a resin.
Claims37
A hindered amine compound obtained by copolymerizing at least one polymerizable hindered amine monomeric compound (A3) of the formula (5):
- in which R is a straight or branched alkyl group having 1 to 10 carbon atoms, R3 is a hydrogen atom or methyl group, R4 is a hydrogen atom, a straight or branched alkyl group having 1 to 10 carbon atoms, or an alkoxy group having 1 to 10 carbon atoms, and X1 is a —O— group or a —NH— group, and at least one polymerizable monomer (C2) of the formula (6):
- in which R5 is a hydrogen atom or a methyl group, R6 is a cycloalkyl group having 5 to 10 carbon atoms, and Y1 is a —O— group or a —NH— group, wherein the weight percentages WA3 and WC2 of the components (A3) and (C2), respectively, satisfy the following formulas (III) and (IV):
- 80≦WA3+WC2≦100 (III)
- 0.5≦WA3/WC2≦2.3 (IV).
A hindered amine compound obtained by copolymerizing at least one polymnerizable hindered amine monomeric compound (A4) of the formula (7):
- in which R is a straight or branched alkyl group having 1 to 10 carbon atoms, R7 is a hydrogen atom or methyl group, R8 is a hydrogen atom, a straight or branched alkyl group having 1 to 10 carbon atoms, or an alkoxy group having 1 to 10 carbon atoms, and X2 is a —O— group or a —NH— group, and at least one polymerizable monomer (D1) of the formula (8):
- in which R9 is a hydrogen atom or a methyl group, R10 is a straight or branched alkyl group having 10 to 30 carbon atoms, and Y2 is a —O— group or a —NH— group, wherein the weight percentages WA4 and WD1 of the components (A4) and (D1), respectively, satisfy the following formulas (V) and (V1):
- 80≦WA4+WD1≦100 (V)
- 0.5≦WA4/WD1≦2.3 (VI).
A hindered amine compound of the formula (9):
- in which R is a straight or branched alkyl group having 1 to 10 carbon atoms, R11 and R12 are the same or different and each a hydrogen atom or a methy group, R13 is a hydrogen atom, a straight or branched alkyl group having 1 to 10 carbon atoms, or an alkoxy group having 1 to 10 atoms, X and Y are the same or different and each a —O— group or a —NH— group, and n and m are positive integers satisfying the formula:
- 0.35≦n/m≦1.75, and the sum of n and m is from 2 to 10000.
A hindered amine compound of the formula (10):
- in which R is a straight or branched alkyl group having 1 to 10 carbon atoms, R14 and R15 are the same or different and each a hydrogen atom or a methyl group, R16 is a hydrogen atom, a straight or branched alkyl group having 1 to 10 carbon atoms, or an alkoxy group having 1 to 10 atoms, R17 is a straight or branched alkyl group having 10 to 30 carbon atoms, X and Y are the same or different and each a —O— group or a —NH— group, and n and m are positive integers satisfying the formula:
- 0.65≦n/m≦2.50, and the sum of n and m is from 2 to 10000.
Dependencies are inferred from the claim text.