Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Flaky flat viscose fiber and preparation method thereof

A flat viscose and fiber technology, applied in the field of cellulose fiber, can solve the problems of restricting the development of flat viscose fiber, high price, and few reports on the development of flat fiber, so as to achieve superior moisture permeability, full hand feeling and reduce equipment investment Effect

Active Publication Date: 2013-12-18
赛得利(盐城)纤维有限公司
View PDF2 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As we all know, the spinnerets for viscose fibers generally use gold-platinum alloys, tantalum, niobium and other precious metals, and require extremely high processing precision, so the price of the spinnerets is very expensive, which limits the development of flat viscose fibers
At present, only a few manufacturers of domestic flat fiber have developed flat fiber, such as Daqing Petrochemical acrylic fiber, which has developed flat eye fiber, and other chemical fiber varieties rarely see the development report of flat fiber

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Flaky flat viscose fiber and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] The dissolved sodium carbonate solution is injected into the spinning viscose through a syringe pump before viscose spinning, and is fully mixed with the spinning viscose solution to obtain a mixed spinning viscose. 40wt% of a fiber.

[0025] The mixed spun viscose was spun in a coagulation bath containing sulfuric acid 120g / l, zinc sulfate 11g / l, sodium sulfate 330g / l, and a temperature of 51°C.

[0026] The formed nascent fiber is drawn, and the spray-guided draft is 45%, and then plasticized and drawn, washed with water, desulfurized, oiled and dried to obtain sheet-like flat viscose fiber.

Embodiment 2

[0028] The sodium bicarbonate solution that dissolves is joined in the viscose solution after the yellowing finishes, fully mixes with the viscose solution, the add-on of sodium bicarbonate is 45wt% of methyl cellulose in the cellulose viscose, then through mixing, The steps of dissolving, filtering, defoaming, ripening, and filtering before spinning are used to obtain the mixed spinning viscose.

[0029] The mixed spun viscose was spun in a coagulation bath containing 140 g / l of sulfuric acid, 9 g / l of aluminum sulfate and 335 g / l of sodium sulfate at a temperature of 50°C.

[0030] The formed nascent fibers are drawn, and the spray-guided draft is 55%, and then plasticized and drawn, washed with water, desulfurized, oiled and dried to obtain sheet-like flat viscose fibers.

Embodiment 3

[0032] The mixed solution of dissolved sodium carbonate and sodium bicarbonate is added to the viscose solution in the post-dissolution process, fully mixed with the viscose solution, and the total addition of sodium carbonate and sodium bicarbonate is cellulose viscose. 38wt% of the fiber, and then through the steps of dissolving, filtering, defoaming, ripening, and pre-spinning filtration to obtain mixed spinning viscose.

[0033] The mixed spun viscose was spun in a coagulation bath containing 105 g / l of sulfuric acid, 10 g / l of zinc sulfate and 10 g / l of aluminum sulfate, 290 g / l of sodium sulfate, and a temperature of 55°C.

[0034] The formed nascent fiber is drawn, and its spray draft is 37%, and then plasticized and drawn, washed with water, desulfurized, oiled and dried to obtain sheet-like flat viscose fiber.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a flaky flat viscose fiber and a preparation method thereof. The preparation method comprises the following steps of: (1) adding a carbonate solution in a viscose solution which finishes etiolation, uniformly mixing with the viscose solution so as to obtain a blend spinning viscose glue, wherein the addition of carbonate is 30-50wt% of armour fiber in a cellulose viscose glue; (2) shaping the blend spinning viscose glue through coagulating bath spinning; and (3) carrying out spray guide drafting on the nascent fiber after shaping, wherein the drafting rate of the spray guide drafting is 30-60%, and the flaky flat viscose fiber is prepared through plastication drafting and postprocessing steps. According to the invention, the copying of the flat viscose fiber can be realized without a spinneret plate in a special jet orifice shape, the traditional production mode of the flat viscose fiber is broken, and the flaky flat viscose fiber is a primary revolution of manufacturing heterotypic viscose fiber. Compared with the prior art, the equipment investment is reduced, and the commercial process is easy to realize.

Description

technical field [0001] The invention relates to the technical field of cellulose fibers, in particular to a flat viscose fiber with a flat shape and a preparation method thereof. Background technique [0002] Today's textile industry is characterized by the application of high-tech means to update products. Traditional textiles are processed by new technologies to achieve new products with unique functions. In recent years, special-shaped fibers have been widely used. Special-shaped fibers have broad market prospects in the three major fields of clothing, decoration and industrial textiles, and are also ideal raw materials for non-woven fabrics and imitation leather coatings. Recently, profiled fibers are more and more showing the unparalleled superiority of ordinary fibers in product applications. The development and application of differentiated and functional new chemical fibers provides abundant raw materials for textile products. [0003] Flat fiber is a kind of fiber...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): D01F2/10D01D5/12
Inventor 迟健叶荣明刘海洋王可李荣超龚玮超
Owner 赛得利(盐城)纤维有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com