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Dyeable and antistatic polypropylene fiber and preparation thereof

A polypropylene fiber and antistatic technology, which is applied in the field of dyeable and antistatic polypropylene fiber, can solve the problems of loss of antistatic performance and lower PEO dissolution performance, and achieve high antistatic performance and good hygroscopicity.

Inactive Publication Date: 2009-07-08
BEIJING INSTITUTE OF CLOTHING TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, PEO is easily soluble in hot water, and the antistatic properties of fabrics are lost due to the loss of PEO during the dyeing process; after that, the terminal hydroxyl groups of PEO are blocked in an attempt to reduce the solubility of PEO in water, in order to obtain durable antistatic properties. reported, but did not achieve the expected results

Method used

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  • Dyeable and antistatic polypropylene fiber and preparation thereof
  • Dyeable and antistatic polypropylene fiber and preparation thereof
  • Dyeable and antistatic polypropylene fiber and preparation thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] The isotactic polypropylene PP with a melt index [MI]=17g / 10min and the PBT-PEG copolyether ester with an intrinsic viscosity of 1.02dl / g and a melting temperature of 202°C (polybutylene terephthalate and A copolymer of polyethylene glycol, the mass ratio of polybutylene terephthalate and polyethylene glycol is 40 / 60); mixed in different proportions, in a single-screw melt spinning machine with a diameter of 25mm Melt in medium and mix evenly, and then the blended melt is sent to the spinning assembly quantitatively by the metering pump to extrude, after cooling, oiling and winding, the precursor of the blended fiber is obtained; the precursor is then processed according to BCF (Spinning-stretching-deformation one-step method to prepare bulky filaments) process to obtain finished fibers through stretching, shaping and deformation processing.

[0044] The number of spinneret holes is 24, the hole diameter is 0.30mm, and the aspect ratio is 2:1. The spinning temperature ...

Embodiment 2

[0057] 12 parts (parts by mass) of pre-dried PBT-PBG copolyether ester (copolymerization of polybutylene terephthalate and polytetramethylene glycol) with an intrinsic viscosity of 1.05dl / g and a melting temperature of 210°C material, the mass ratio of hard segment / soft segment is 45 / 55) and 88 parts (mass parts) PP (MI=35) slices are uniformly mixed, melted in a single-screw melt spinning machine with a diameter of 30mm, and then The metering pump sends the blended melt to the spinning assembly quantitatively according to the regulations, extrudes, cools, oils, and winds to obtain the precursor of the blended fiber; the precursor is stretched and shaped to obtain the finished fiber. The number of spinneret holes is 24, the hole diameter is 0.25mm, the aspect ratio is 2, the spinning temperature is 236°C, the winding speed is 2200m / min, the stretching temperature is 70°C, the setting temperature is 125°C, and the stretching ratio is 2.4 times.

[0058] The fiber breaking stren...

Embodiment 3

[0063] The PP chips of [MI]=23 are pre-dried, and the same copolyetherester chips as in Example 2 are blended in a 92 / 8 (wt) ratio, and melt-spun on the same equipment as in Example 1, The spinning speed is 650m / min, and then stretched and shaped to obtain a specific resistance of the blended fiber of 5.5×10 11 Ω·cm, after being boiled with disperse dyes at normal pressure, the specific resistance value of the fiber is reduced to 2.1×10 10 Ω·cm.

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Abstract

The invention relates to a mekralon with dyeing and antistatic property. The mekralon is prepared by at least one dyeing polymer composition spinning with polypropylene composition, wherein, weight rate of dyeing polymer composition and polypropylene composition is 1:1.5-1:35; the dyeing polymer composition selects at least one of multipolymer composed by poly terephthalic acid dihydric alcohol ester and poly dihydric alcohol. The mixing fiber together can spin long fibre, short fibre that are used as woven fabric, knitted fabric, non-weaving cloth or carpet yarn with better hydroscopic property, soft handle sense, antistatic property and high dyeing property fastness.

Description

technical field [0001] The invention relates to a dyeable and antistatic polypropylene fiber, in particular to a hygroscopic, dyeable and antistatic polypropylene fiber prepared by blending spinning of pure high polymer and polypropylene without carbon powder and other conductive inorganic materials . Background technique [0002] As we all know, polypropylene fiber has good chemical stability, anti-fouling and abrasion resistance, light weight and good heat retention, and fine-denier polypropylene fiber also has excellent moisture conductivity and perspiration, so it has been widely used. However, polypropylene fibers also have certain defects, such as inability to dye, poor hygroscopicity, and easy generation of static electricity, which limit its further development and application. [0003] The research on the modification of polypropylene fibers has aroused widespread interest. People have made a lot of efforts to improve the comprehensive properties such as dyeing pe...

Claims

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Application Information

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IPC IPC(8): D01F8/06D01F8/14D01F8/16D01F1/09
Inventor 张大省王锐王建明陈玉顺朱志国张怀东
Owner BEIJING INSTITUTE OF CLOTHING TECHNOLOGY
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