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Modified polyester fibre and regenerated cellulose fibre fabrics, and preparation method of the same

A technology of regenerated cellulose and modified polyester, which is applied in the field of fabric manufacturing to achieve excellent dimensional stability, short process time, and good dyeability of disperse dyes under normal pressure

Active Publication Date: 2017-04-26
CHINESE TEXTILE ACAD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, the mixed use of modified polyester fiber and regenerated cellulose fiber in the fabric can overcome the defect of damage to regenerated cellulose fiber caused by high temperature dyeing in the process of mixing traditional polyester and regenerated cellulose fiber, thereby producing a more low-carbon, environmentally friendly and healthy fabric. Comfortable Fabric Products

Method used

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  • Modified polyester fibre and regenerated cellulose fibre fabrics, and preparation method of the same
  • Modified polyester fibre and regenerated cellulose fibre fabrics, and preparation method of the same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] Preparation of Modified Polyester Fiber

[0048] In this example, the copolyester is polymerized from terephthalic acid and methylpropylene glycol, and the molar ratio of methylpropylene glycol to terephthalic acid is 0.5:5; the polyether block of the crystallization accelerator polyether ester is the molecular weight 4000 polyethylene glycol, the polyester block is polyethylene terephthalate, wherein the polyether block accounts for 40wt% of the total amount of polyether ester, and the above materials are used to prepare according to the following steps:

[0049] (1) Copolyester and crystallization accelerator are uniformly mixed with a mass ratio of 95:5 to form a blended chip;

[0050] (2) melting the blended chips in step (1) through a screw extruder at a temperature of 270°C;

[0051] (3) Send the melted blend in step (2) into the spinning pack at a winding speed of 4200m / min to obtain the modified polyester fully drawn yarn FDY. Among them, the speed of the heat...

Embodiment 2

[0054] Preparation of Modified Polyester Fiber

[0055] In this example, the copolyester is polymerized from terephthalic acid and trimethylpentanediol, and the molar ratio of trimethylpentanediol to terephthalic acid is 0.15:5; The polyether block is polyethylene glycol with a molecular weight of 6000, and the polyester block is polyethylene terephthalate, wherein the polyether block accounts for 50wt% of the total amount of polyether ester. The above materials are used to prepare according to the following steps:

[0056] (1) Copolyester and crystallization accelerator are uniformly mixed with a mass ratio of 95:5 to form a blended chip;

[0057] (2) melting the blended chips in step (1) through a screw extruder at a temperature of 280°C;

[0058] (3) Send the melted blend in step (2) into the spinning pack at a winding speed of 5200m / min to obtain the modified polyester fully drawn yarn FDY. Among them, the speed of the heat roller GR1 was 1800 m / min and the temperature w...

Embodiment 3

[0061] Preparation of Modified Polyester Fiber

[0062] In this example, the copolyester is polymerized from terephthalic acid and 1,2-propanediol, and the molar ratio of 1,2-propanediol to terephthalic acid is 0.75:5; the crystallization accelerator polyether ester polyether The block is polypropylene glycol with a molecular weight of 6000, and the polyester block is polytrimethylene terephthalate, wherein the polyether block accounts for 60wt% of the total amount of polyether ester. The above materials are used to prepare according to the following steps:

[0063] (1) Copolyester and crystallization accelerator are uniformly mixed with a mass ratio of 90:10 to form a blended chip;

[0064] (2) melting the blended chips in step (1) through a screw extruder at a temperature of 260°C;

[0065] (3) Send the melted blend in step (2) into the spinning pack at a winding speed of 5200m / min to obtain the modified polyester fully drawn yarn FDY. Among them, the speed of the heat rol...

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Abstract

The invention discloses modified polyester fibre and regenerated cellulose fibre fabrics, and a preparation method of the same. The fabrics contain modified polyester fibres and regenerated cellulose fibres, wherein the modified polyester fibres are prepared through blend spinning of 90-99wt% of copolyester and 1-10wt% of crystallization promoter; and the copolyester contains fatty group dihydric alcohol with a side chain, and the carbon atom number is smaller than or equal to 8. The fabrics have the advantages that being able to be dyed at normal pressure by 100DEG C or below 100DEG C, having soft feel, and being comfortable for wearing. Besides, the modified polyester fibres in the fabrics can be dyed at normal pressure; the dyeing temperature is 100DEG C or below 100DEG C; the modules is low; and the hand feeling is good. The modified polyester fibres and the regenerated cellulose fibres are mixed in the fabrics, so that the fabrics overcome the defect that during the process of mixing traditional polyester and regenerated cellulose fibres, high temperature dyeing may damage the regenerated cellulose fibres and the fabrics are the low-carbon and environmentally friendly fabric product with health and comfortable capability.

Description

technical field [0001] The invention belongs to the field of fabric manufacturing, and in particular relates to a modified polyester fiber and regenerated cellulose fiber fabric and a preparation method. Background technique [0002] Generally speaking, polyester fiber refers to polyethylene terephthalate (PET) fiber, that is, the polyester chip formed by polycondensation of terephthalic acid and ethylene glycol is melt-spun and finally obtained; It is an ideal textile raw material. Polyester fiber, also known as polyester, is the synthetic fiber with the largest output at present. It has excellent properties such as cheap price, strong durability, easy washing and quick drying, etc., but it also has poor hydrophilicity, poor wearing comfort, high dyeing temperature, and dyeing speed. Defects such as slowness usually require dyeing with disperse dyes under high temperature and high pressure conditions, which requires high equipment and high energy consumption, which affects...

Claims

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Application Information

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IPC IPC(8): D02G3/04D01F6/92D01F1/10
CPCD01F1/10D01F6/92D02G3/045D10B2201/22D10B2201/24D10B2331/04
Inventor 廉志军金剑邱志成房迪霍叔怀王颖王雪
Owner CHINESE TEXTILE ACAD