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Primary solution-dyed uvioresistant regenerated polyester fiber and preparation method thereof

A technology of recycled polyester and dope coloring, applied in the direction of fiber chemical characteristics, single-component polyester rayon, rayon manufacturing, etc., can solve the problems of increasing production costs, fiber production process control of toner addition, and unfavorable performance of finished products impact and other issues, to achieve high production efficiency, expand market applications, and reduce costs

Inactive 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

Therefore, in order to resist the erosion of ultraviolet rays, in the production process of colored fibers, the amount of toner and functional powder used is often increased, which not only increases the production cost, but also has a negative effect on the production process control of fibers and the finished products. performance may be adversely affected

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Embodiment 1: Preparation of 3.33dtex×51mm black anti-ultraviolet regenerated polyester fiber

[0045] The recycled polyester used in this example is selected from commercially available recycled polyester chips without matting agent.

[0046] S1: Masterbatch preparation

[0047] S1.1 Pretreatment of environmentally friendly toner

[0048] Set the temperature of the high-speed mixer to 110°C and heat it up, start the mixer to run at a low speed, pour a certain weight of environmentally friendly carbon black FR8150 powder into the mixer, then switch the mixer to high-speed operation, and wait until the mixer reaches the setting After the temperature reaches 110°C, add the silane coupling agent dodecylmethyldiethoxysilane to pretreat the toner for 25 minutes. The weight of the silane coupling agent added is 1.0% of the weight of the black toner, and then the pretreated toner is put into the bag and sealed.

[0049] S1.2 Pretreatment of recycled polyester powder

[005...

Embodiment 2

[0066] Example 2 Preparation of 3.33dtex×51mm blue anti-ultraviolet regenerated polyester fiber

[0067] The recycled polyester used in this example is also selected from commercially available recycled polyester chips without matting agent.

[0068] S1: Masterbatch preparation

[0069] S1.1 Pretreatment of environmentally friendly toner

[0070] Set the temperature of the high-speed mixer to 110°C and heat it up, start the mixer to run at low speed, pour a certain weight of environmentally friendly C.I. Pigment Blue 29 powder into the mixer, then switch the mixer to high-speed operation, and wait until the mixer reaches After setting the temperature at 110°C, add the silane coupling agent dodecyltrimethoxysilane to pretreat the toner for 25 minutes. The weight of the silane coupling agent added is 1.0% of the weight of the blue toner, and then the pretreated toner is put into the bag and sealed.

[0071] S1.2 Pretreatment of recycled polyester powder

[0072] Start the mi...

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Abstract

The invention relates to primary solution-dyed uvioresistant regenerated polyester fiber and a preparation method thereof. Regenerated polyester powder and environment-friendly toner are blended to prepare color master batches, and antioxidant powder, uvioresistant powder and the regenerated polyester powder are blended to prepare uvioresistant master batches; uvioresistant color master batches are prepared from the color master batches and the uvioresistant master batches according to a ratio of 1: 1, the uvioresistant color master batches and regenerated polyester chips are uniformly mixed according to a ratio of 35-45 wt% to 55-65 wt%, the mixture is extruded and molten by a screw extruder to form a melt, the temperature of the melt is controlled to be 285 + / - 2 DEG C, primary solution-dyed uvioresistant regenerated fiber protofilaments are prepared through spinning, cooling by circular air blow, winding and molding; and then the protofilaments are subjected to post-spinning bundling, primary drawing, secondary drawing, filament stacking, curling, drying, cooling and cutting to obtain the primary solution-dyed uvioresistant regenerated polyester staple fibers.

Description

technical field [0001] The invention belongs to the technical field of synthetic fiber production, and in particular relates to a dope-colored anti-ultraviolet regenerated polyester fiber and a manufacturing method thereof. Background technique [0002] Polyester is one of the largest and most widely used polymer materials in the world. With its superior performance, it has been widely used in textile fibers, packaging materials and film media and other fields. Polyester for synthetic fibers is made from petrochemical products and has stable physical and chemical properties, but there is a problem that waste cannot be decomposed after use. At the same time, petroleum is a non-renewable resource, and its derivatives are used as raw materials, and the cost is getting higher and higher. With the continuous growth of consumption and the continuous enhancement of environmental awareness, the importance of polyester waste recycling has been widely concerned and accepted by people...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D01F6/92D01F1/10
CPCD01F6/92D01F1/106
Inventor 陆育明李东华王缘朱亚宏杨卫忠高俊杰杨成周永华赵学东李忠
Owner SHANGHAI DEFULUN CHEM FIBER
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