Modified Long Chain Polyamide
AssigneeTaiwan Textile Research Institute
InventorsWei-Hung Chen, Ta-Yo Chen, Tsai-Wen Chen, Wei-Hsiang Lin
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Abstract
A modified long chain polyamide is provided. The modified long chain polyamide is polymerized by monomers comprising a long-aliphatic-chain monomer, and equimolar of an aromatic diacid and polyethyleneoxy diamine. A fiber made from the modified long chain polyamide is also provided.
Claims12
A modified long chain polyamide polymerized by monomers comprising:
- a long-aliphatic-chain monomer with an amine group and a carboxylic group and having 11-18 carbons, wherein the added amount of the long-aliphatic-chain monomer is 100 parts by weight;
- and
- equimolar of an aromatic diacid and polyethyleneoxy diamine, wherein the added amount of the polyethyleneoxy diamine is 1-30 parts by weight.
A method of spinning a fiber, the method comprising:
- preparing a modified long chain polyamide by copolymerizing monomers comprising:
- a long-aliphatic-chain monomer with an amine group and a carboxylic group and having 11-18 carbons, wherein the added amount of the long-aliphatic-chain monomer is 100 parts by weight;
- and
- equimolar of an aromatic diacid and polyethyleneoxy diamine, wherein the added amount of the polyethyleneoxy diamine is 1-30 parts by weight;
- and
- melt spinning the modified long chain polyamide.
The method of clam 9, wherein the long-aliphatic-chain monomer is 11-aminoundecanoic acid or 12-aminododecanoic acid.
The method of clam 10, wherein the aromatic diacid is terephthalic acid.
The method of clam 6, wherein the aromatic diacid is terephthalic acid, isophthalic acid, bibenzoic acid, naphthalene dicarboxylic acid, 4,4′-biphenyl dicarboxylic acid, bis(p-carboxyphenyl) methane, ethylene bis(p-benzoic acid), 1,4-tetramethylene bis(p-oxybenzoic acid), ethylene bis(p-oxybenzoic acid), or 1,3-trimethylene bis(p-oxybenzoic acid).
Dependencies are inferred from the claim text.