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Solution-dyed skin-core anti-ultraviolet flame-retardant water-repellent polyester fiber and preparation method thereof

A technology of dope dyeing and polyester fiber, applied in fiber treatment, fiber chemical characteristics, stretch spinning, etc., can solve the problems of destroying the internal structure of cellulose, large fiber damage, fiber aging and fading, etc., to achieve enhanced compatibility performance, reduce usage, and expand market application

Pending Publication Date: 2020-04-21
SHANGHAI DEFULUN CHEM FIBER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In addition, ultraviolet rays have a great destructive effect on fibers. They will penetrate into the internal structure of cellulose and cut off the long-chain molecules that form cellulose, thereby destroying the internal structure of cellulose and causing the fiber to age and fade.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] Example 1: Preparation of 3.33dtex×51mm black skin-core anti-ultraviolet flame-retardant and water-repellent polyester fiber

[0052] The phosphorus-based flame-retardant polyester used in this example is selected from commercially available flame-retardant polyester chips, specifically, ethylene glycol 2-carboxyethylphenylphosphinate, purified terephthalic acid, and ethylene glycol are selected during polycondensation. Phosphorus-based flame-retardant polyester chips are the main raw material, with a phosphorus content of 7000mg / kg, an intrinsic viscosity of 0.685dl / g, a melting point of 245°C, and no matting agent.

[0053] The silane coupling agent used in this example is dodecylmethyldiethoxysilane, the waterproofing agent used is carbon 6 waterproofing agent ZJ-560, the phosphate ester flame retardant is triphenyl phosphate, and the antistatic agent is malaysian acid anhydride, and the composite crosslinking agent used is a water-soluble polyurethane crosslinking a...

Embodiment 2

[0070] Example 2 Preparation of 3.33dtex×51mm blue anti-ultraviolet, flame-retardant and water-repellent polyester fiber

[0071] The phosphorus-based flame-retardant polyester used in this example is a commercially available flame-retardant polyester chip, specifically, a flame-retardant copolyester chip with 2-carboxyethylphenylphosphinic acid ethylene glycol added during polycondensation as the main raw material , slice phosphorus content 7500mg / kg, intrinsic viscosity 0.685dl / g, melting point 243 ℃, no matting agent.

[0072] In this example, the silane coupling agent used is dodecyltrimethoxysilane, the water repellent carbon 6 water repellent FB101 is used, the phosphate ester flame retardant is tricresyl phosphate, and the antistatic agent is alkyl phosphate potassium salt (PK), the composite cross-linking agent used is an isocyanate cross-linking agent.

[0073] S1: Preparation of Dope Colored Flame Retardant Skin Layer Components

[0074] S1.1 Pretreatment of environm...

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Abstract

The invention relates to solution-dyed skin-core anti-ultraviolet flame-retardant water-repellent polyester fiber and a preparation method thereof. A skin layer component is prepared by blending phosphorus-based flame-retardant polyester slices and color master batches, and the skin layer component and a core layer component are extruded and melted into a melt in respective screw extruders to prepare a solution-dyed skin-core flame-retardant fiber precursor; in a precursor drafting process, an oiling agent M obtained by compounding a waterproof agent, a flame retardant, an anti-ultraviolet agent, an anti-static agent and a cross-linking agent is used for performing friction oiling on the front and back surfaces of a yarn sheet subjected to tension heat setting through double oil rollers ata yarn stacking machine; and then a crimped tow is sprayed with a compounded oiling agent N again to supplement oiling, and the tow is subjected to oven drying, setting cross-linking and cooling cutting to prepare the solution-dyed skin-core flame-retardant water-repellent polyester fiber. The fiber has the skin-core, color, flame-retardant and water-repellent functions and the anti-ultraviolet performance. Core layer raw materials can adopt the phosphorus-based flame-retardant polyester slices prepared from recycled materials, and the requirements of environmental protection industry policies and cyclic economic utilization are met.

Description

technical field [0001] The invention belongs to the technical field of synthetic fiber production, and in particular relates to a dope-colored sheath-core anti-ultraviolet, flame-retardant and water-repellent polyester fiber and a manufacturing method thereof. Background technique [0002] Polyester fiber is the abbreviation of polyethylene terephthalate (PET) fiber, which is currently the most produced and widely used fiber among synthetic fibers. With the continuous expansion of the application of polyester fiber in the industrial field, customers have put forward an urgent demand for colored flame-retardant and water-repellent polyester fiber. [0003] In order to solve this problem, some chemical fiber enterprises have tried to spray water repellent on the colored flame-retardant crimped tow in the crimping machine tool box during the production of colored flame-retardant polyester fibers, then dry the fiber bundles in an oven, and then The method of spraying antistatic...

Claims

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Application Information

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IPC IPC(8): D01F8/14D01F1/04D01F1/10D01F11/08D01D5/34D01D5/14D01D10/02D01D5/096
CPCD01F8/14D01F1/04D01F1/10D01F11/08D01D5/34D01D5/14D01D10/02D01D5/096
Inventor 朱亚宏陈辉华顾惠琴李东华王缘李忠高俊杰杨成周永华
Owner SHANGHAI DEFULUN CHEM FIBER
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