Hydrophobic flame-retardant fiber and a preparation method thereof
US10006150B2 · kind B2 · utility
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Key dates
| Filing date | Dec 4, 2014 |
| Grant date | Jun 26, 2018 |
| Priority date | — |
| Expiry date | Sep 15, 2036 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD10B2401/021
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A kind of hydrophobic flame-retardant fiber and a preparation method thereof are provided by the present invention. The fiber has a skin-core structure, wherein, the volume ratio of skin to core is in a range of 2:8-6:4; weight percentages of compositions of skin layer material include: 79.9%-88.8% of PET (polyethylene terephthalate), 8%-13% of PVDF (polyvinylidene fluoride), 3%-6% of flame-retardant agent, 0.1%-0.5% of compatibilizer, 0.1%-0.6% of coupling agent; weight percentages of compositions of core layer material include: 91%-95% of PET, 5%-9% of flame-retardant agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.