Hydrophobic flame-retardant fiber and a preparation method thereof
AssigneeBosideng Corporation Limited
InventorsLu Qi, Zhijia DING, Dekang GAO, Xiaodong GAO
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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.
Claims10
A hydrophobic flame-retardant fiber with a skin-core structure, wherein, the volume ratio of skin to core is in a range of 2:8-6:4;
- wherein, weight percentages of compositions of skin layer material comprise:
- 79.9%-88.8% of PET, 8%-13% of PVDF, 3%-6% of flame-retardant agent, 0.1%-0.5% of compatibilizer, 0.1%-0.6% of coupling agent;
- wherein, weight percentages of compositions of core layer material comprise:
- 91%-95% of PET, 5%-9% of flame-retardant agent.
A preparation method of a hydrophobic flame-retardant fiber, comprising:
- preparing flame-retardant chips;
- preparing the skin layer material, wherein, weight percentages of compositions of skin layer material comprise:
- 79.9%-88.8% of PET, 8%-13% of PVDF, 3%-6% of flame-retardant agent, 0.1%-0.5% of compatibilizer, 0.1%-0.6% of coupling agent;
- preparing the core layer material, wherein, weight percentages of compositions of core layer material comprise:
- 91%-95% of PET, 5%-9% of flame-retardant agent;
- using the skin layer material and the core layer material to form undrawn yarn, and drawing the undrawn yarn by a skin-core composite spinning machine to obtain the hydrophobic flame-retardant fiber.
Dependencies are inferred from the claim text.