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Cross blend resin in use for stainable in fine denier and fabrication method

A blending technology of fine-denier polypropylene fiber, which is applied in the field of blended resin for dyeable fine-denier polypropylene fiber and its manufacturing field, can solve the problems of not being able to dye dark colors, improve strength and toughness, expand application fields, and improve dyeing performance Effect

Inactive Publication Date: 2006-01-04
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the dyeing of the fiber produced by this invention can only be dyed to a moderately dark color, and cannot be dyed to a dark color, and the CDPET blended with polypropylene is organic and does not involve inorganic substances.

Method used

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  • Cross blend resin in use for stainable in fine denier and fabrication method
  • Cross blend resin in use for stainable in fine denier and fabrication method
  • Cross blend resin in use for stainable in fine denier and fabrication method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Add 2.5 grams of submicron rare earth particles to 15 ml of nitric acid and 30 ml of hydrogen peroxide, stir until clear, use ethanol as solvent, and react with polyvinylpyrrolidone at 70°C for 10 minutes at a mass ratio of 10:90, and then prepare the rare earth Organic complex, after mixing the above complex with polypropylene at a mass ratio of 5:95, melt-blending in a twin-screw extruder at 220°C, and making belt pellets. The blended extrudate is observed under a scanning electron microscope, and the rare earth particles are uniformly dispersed in the polypropylene, and the maximum particle diameter of the rare earth particles is less than 0.9 microns. Such as figure 1 .

Embodiment 2

[0034] Add 2.5 grams of submicron-sized rare earth particles to 15 ml of nitric acid and 30 ml of hydrogen peroxide and stir until clarification, use ethanol as a solvent, and react with polyvinylpyrrolidone at a mass ratio of 7:93 at 70°C for 10 minutes, and then prepare the rare earth organic Complex compound, after mixing the above complex compound with polypropylene at a mass ratio of 3:97, melt blending in a twin-screw extruder at 220° C., and make belt pellets. The blended extruded product is observed under a scanning electron microscope, and the rare earth particles are uniformly dispersed in the polypropylene, and the maximum particle diameter of the rare earth particles is less than 0.5 micron. Such as figure 2 .

Embodiment 3

[0036] Add 2.5 grams of submicron-sized rare earth particles to 15 ml of nitric acid and 30 ml of hydrogen peroxide and stir until clarified, use ethanol as the solvent, and stir at 70°C for 10 minutes at a mass ratio of 3:97 to polyvinylpyrrolidone to react, and then prepare the rare earth organic complex After mixing the above-mentioned complex with polypropylene at a mass ratio of 1:99, melt blending in a twin-screw extruder at 220 ° C, and make belt pellets. The blended extruded product is observed under a scanning electron microscope, and the rare earth particles are uniformly dispersed in the polypropylene, and the maximum particle diameter of the rare earth particles is less than 100 nanometers. Such as image 3 .

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Abstract

This invention discloses a blend resin for dyeing and its preparation method, in which said resin includes: PP resin and nm or and sub-micrometer rare earth particles, their mass percentage is : PP 95% - 99%, rare earth particle: 1%- 5%. This invention utilizes sub-microsize and nm rare earth particles blend modified PP resin which rheological property is good, the rare earth particles scatter uniformly in PP resin, all of them are less than 100nm.

Description

technical field [0001] The invention relates to a blending resin for producing dyeable polypropylene fiber and a blending method thereof. Background technique [0002] Fibers made of ordinary polypropylene have not been widely used in the field of clothing due to poor dyeability and poor hygroscopicity as clothing fiber materials. In recent years, due to the development of fine denier and ultra-fine denier (single filament fineness less than 1 dtex) polypropylene fibers produced by special processing methods, polypropylene fabrics are endowed with significant moisture perspiration and perspiration properties and are widely used in close-fitting clothing, such as high-end sports. T-shirts, underwear and spring and autumn clothing fabrics. [0003] According to the ZL 92,1,08576.1 report, the controllable rheology polypropylene resin and CDPET (dyeable, easy-dye polyester) etc. are blended and modified by adjusting the molecular weight to control the rheology of the polymer, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D01F6/46
Inventor 陈彦模张瑜朱美芳彭华湘蒋翀
Owner DONGHUA UNIV