CN102704095A

CN102704095A - Method for spinning high-grade knitting yarns by using long flax fibers

Info

Publication number: CN102704095A
Application number: CN2012101914311A
Authority: CN
Inventors: 孟婥; 孙以泽; 孙菁菁; 赵博翀
Original assignee: SHANGHAI MENGJIN PHOTOELECTRIC TECHNOLOGY Co Ltd; Donghua University
Current assignee: SHANGHAI MENGJIN PHOTOELECTRIC TECHNOLOGY Co Ltd; Donghua University
Priority date: 2012-06-11
Filing date: 2012-06-11
Publication date: 2012-10-03
Anticipated expiration: 2032-06-11
Also published as: CN102704095B

Abstract

The invention provides a method for spinning high-grade knitting yarns by using long flax fibers. The method comprises the steps of: carrying out crystallization modification treatment on the long flax fibers, carrying out gilling, combing, slivering, drawing, roving, boiling-off, bleaching and spinning operations sequentially, and carrying out electronic yarn clearing and waxing simultaneously in a spooling process, thereby forming the knitting yarns. According to the method provided by the invention, the crystallization modification treatment is carried out on the long flax fibers, so that the fibers are soft in texture and have an improved uniformity for dry adjustment, therefore a foundation for spinning the high-grade knitting yarns is laid; and electronic yarn clearing and waxing operations are simultaneously carried out in the spooling process owing to the facts that the fibers are soft in texture and have an improved uniformity for dry adjustment after the crystallization modification treatment is carried out on the long flax fibers, therefore the spinning efficiency is improved, and the knitting yarn quality is improved.

Description

A kind of method that spins high-grade knitted yarn with flax long fiber

Technical field

The present invention relates to a kind ofly spin the method for high-grade knitted yarn, belong to spinninging technical field with flax long fiber.

Background technology

Sodolin has ventilative, the superior speciality such as anti-mildew is antibacterial, radiation proof of moisture absorption, is more and more paid attention to by people.But the linen fibre rigidity is big, hard, coarse, poor flexibility, does not meet fiber softening, the dried uniform stocking yarn spinning requirement of bar, therefore, generally only is spun into woven yarn, has limited the application of linen fibre and the exploitation of flax product.

The conventional method of flax long fiber spinning stocking yarn is as shown in Figure 1; After comprising that flax long fiber being carried out successively operations such as grilling, combing, slivering, drafting, rove, kiering bleaching and spun yarn is spun into woven yarn; Carry out mechanical clearing and air simultaneously through winder and tie a knot automatically, make it to become stocking yarn tube yarn.This method efficient is low, and the yarn loss is big, and the stocking yarn that spins out is of low grade.

Summary of the invention

The purpose of this invention is to provide a kind of method that spins high-grade knitted yarn efficiently with flax long fiber.

In order to achieve the above object; The invention provides a kind of method that spins high-grade knitted yarn with flax long fiber; Comprise flax long fiber is carried out carrying out grilling, combing, slivering, drafting, rove, kiering bleaching and spinning process successively after crystalline substance becomes the modification processing; Carry out electronic clearing simultaneously and wax through winder again, make it to become high-grade knitted yarn tube yarn.

Preferably, described brilliant become concrete grammar that modification handles into: with flax long fiber 125 ℃-145 ℃ dry preliminary treatment after, put into airtight modification processor; Charge into the modification medium after the modification processor vacuumized; Behind modulation process parameter and the pressurize 3-5min, remove the modification medium, then heat and vacuumize and hocket to remove residual modification medium; Carry out air pressure balance at last, take out flax long fiber after crystalline substance becomes modification.

More preferably, the molecular weight of described modification medium less than 18, viscosity less than 0.5 centipoise, surface tension less than 36N/m ², the gas-liquid phase transition temperature is less than 0 ℃.

The principle that fibrous crystal of the present invention becomes the modification processing is: under certain pressure, liquid modified medium osmosis makes fibrous crystal lattice structure generation physical change in the fibrous crystal lattice structure.

The present invention can and wax at winder while electronic clearing, is owing to after flax long fiber being carried out crystalline substance change modification processing, the operation that fiber quality softness, the raising of cadre enrolled among workers's uniformity just can be taked.

Compare with conventional method, the present invention has the following advantages:

1, flax long fiber is carried out crystalline substance and become the modification processing, make the fiber quality soft, cadre enrolled among workers's uniformity improves, and lays a good foundation for spinning high-grade knitted yarn;

2, flax long fiber after the brilliant change modification is after operations such as grilling, combing, slivering, drafting, rove, kiering bleaching, spun yarn; The fiber quality is soft, cadre enrolled among workers's uniformity improves; Carry out electronic clearing when can be implemented in winder and wax, spinning efficiency is improved, the stocking yarn quality improves;

3, the present invention is identical with conventional method in the spinning section, does not therefore all need than about-face in this section equipment, flow process etc., puts into production easily.

Description of drawings

Fig. 1 is the conventional process flow figure of flax long fiber spinning stocking yarn;

Fig. 2 spins the flow chart of high-grade knitted yarn with flax long fiber for the present invention;

Fig. 3 is the brilliant modification processing procedure sketch map that becomes of flax long fiber.

The specific embodiment

Below in conjunction with specific embodiment the present invention is elaborated.

Embodiment

As shown in Figure 2, the method that spins high-grade knitted yarn with flax long fiber is following:

(1) as shown in Figure 3; With commercially available flax long fiber 135 ℃ dry preliminary treatment after, make its drying, moisture less than 1%, with the oven dry pretreated flax long fiber put into airtight modification processor; Charge into gaseous ammonia after the modification processor vacuumized; Making modification processor internal pressure is 3MPa, charges into liquid ammonia then, and making whole flax long fibers of liquid ammonia submergence and modification processor internal pressure is 5Mpa; Remove liquid ammonia behind the pressurize 4min; Then heat, vacuumize and hocket, carry out air pressure balance when modification processor internal pressure does not increase basically, uncap and take out flax long fiber after crystalline substance becomes modification when being heated to remove residual gaseous ammonia and liquid ammonia;

(2) flax long fiber after the crystalline substance change modification of gained in the step (1) is carried out grilling, combing, slivering, drafting, rove, kiering bleaching and spinning process successively;

(3) spun yarn with step (2) gained carries out winder, carries out electronic clearing simultaneously and waxes, and forms high-grade flax stocking yarn tube yarn at last.

It is knitting with excellent index request in the linen yarn standard that the stocking yarn that the application said method spins out meets FZ/T32008-2011.

Claims

1. method that spins high-grade knitted yarn with flax long fiber; It is characterized in that; Comprise flax long fiber is carried out carrying out grilling, combing, slivering, drafting, rove, kiering bleaching and spinning process successively after crystalline substance becomes the modification processing; Carry out electronic clearing simultaneously and wax through winder again, make it to become high-grade knitted yarn tube yarn.

2. the method that spins high-grade knitted yarn with flax long fiber as claimed in claim 1; It is characterized in that, described brilliant become concrete grammar that modification handles into: with flax long fiber 125 ℃-145 ℃ dry preliminary treatment after, put into airtight modification processor; Charge into the modification medium after the modification processor vacuumized; Behind modulation process parameter and the pressurize 3-5min, remove the modification medium, then heat and vacuumize and hocket to remove residual modification medium; Carry out air pressure balance at last, take out flax long fiber after crystalline substance becomes modification.

3. as claimed in claim 2ly spin the method for high-grade knitted yarn, it is characterized in that with flax long fiber, the molecular weight of described modification medium less than 18, viscosity less than 0.5 centipoise, surface tension less than 36N/m ², the gas-liquid phase transition temperature is less than 0 ℃.