Fiber and method of manufacturing the same
US10094050B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 4, 2016 |
| Grant date | Oct 9, 2018 |
| Priority date | — |
| Expiry date | Nov 4, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G63/80
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A fiber includes polyester copolymerized with diacid monomer, esterified diacid monomer or combination thereof with a polyol monomer. The diacid monomer, esterified diacid monomer or combination thereof includes (1) furan dicarboxylic acid, dialkyl furandicarboxylate, or combination thereof or (2) furan dicarboxylic acid, dialkyl furandicarboxylate, or combination thereof and spiro-diacid. The polyol monomer includes (3) C2-C14 polyol or (4) C2-C14 polyol and spiro-diol. The diacid monomer, esterified diacid monomer or combination thereof and the polyol monomer meet: (a) diacid monomer, esterified diacid monomer or combination thereof includes (2) furan dicarboxylic acid, dialkyl furandicarboxylate, or combination thereof and spiro-diacid, (b) polyol monomer includes (4) C2-C14 polyol and spiro-diol, or (c) a combination thereof. The polyester has a viscosity at 30° C. of 0.5 dL/g to 1.5 dL/g, and an amount of spiro-diol or spriro-diacid is 500 ppm to 2000 ppm based on a weight of the furan dicarboxylic acid, dialkyl furandicarboxylate, or the combination thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.