RU23881U1 - MIXED YARN FOR KNITTING - Google Patents

Abstract

Mixed yarn for knitting, knitted, consisting of cotton, linen and chemical fibers: high-modulus viscose or polyester, characterized in that it additionally contains a sizing at the following content of components, wt.%: Cotton 3-1, 3-P, 5-1 staple length 31.4-35.2 mm - 40-50 Flax cotonized staple length 26-27.3 mm with bonfire content up to 1% - 25-30 Chemical fiber viscose high modulus staple length 33-37.5 mm - 24.6-25 Or polyester staple length 35-38 mm - 29.6-30; Oily - 0.3-0.4

Description

MIXED KNITTED YARN

The utility model relates to the textile industry and relates to yarn mixed from a mixture of cotton, linen and chemical fibers (polyester and viscose), which can be used in knitwear for the manufacture of knitted goods, including children's assortment.

Known blended yarn for knitwear and a method for producing it on a cotton spinning machine is equipped with 1i (patent fc 2061806, IPC D02G3 / 04, publ. 06/10/96, Bulletin of the Invention No. 16).

The yarn has the following composition, wt.%: Cotton fibers 50-70

High-modulus viscose or polyester or polyacrylonitrile fibers were used as chemical fibers. To reduce breakage in spinning during the formation of a mixture of fibers, cotton and chemical fibers are first mixed on a cleaner, they are fed into a metering mixer into which short linen fibers are introduced, and all the ingredients are mixed. Next, a 3-component mixture enters the bobbin machine and then to the carding machine. The resulting tape is passed through a 1O tape machine L2-50-1M, and by IOM to a roving machine. Cotton-flax-viscose yarn is produced on cs): 1-face spinning machine with a range of linear densities of 25-40 tex. They use severe Ko 3 flax fiber with a fiber length of not more than 45 mm, cotton fibers of 1 and 2 grades (GOST 3279-76) with a staple mass length of at least 31.2-37.2 mm, high-modulus viscose fiber 0.17 tex (TU 6-06465- 85).

Yarn is characterized by the following indicators:

break at 1000 spindles / hour62-70

coefficient of torsion, tex38-41.8

relative breaking load, gf / tex 10.3-12.1

tensile elongation, / o 4.1-6.3

l I a 5 y 8

IPC D02G3 / 04

chemical fibers 15-35

flax fiber15-30

Possessing generally good physical and mechanical properties, a peculiar aesthetic effect on knitted fabrics, it should be noted that the choice of severe linen fiber for yarn production gives it rigidity, reduces the adhesion of dissimilar fibers during spinning, creating conditions for breakage and has an effect on When using yarn in knitting, the formation of stiffness in a knitted fabric and products made of it: the stiffness of the threads affects the deformation conditions in the knitting process i.

The technical result of the claimed utility model is the elimination of these shortcomings, namely the reduction of the breakage of high yarn yarn (during spinning with a decrease in twist, by increasing the cohesion of dissimilar close to w; tapel length of fibers while improving manufacturability in the process of knitting p (X10tna, mainly used for the manufacture of products for teenagers and children.

The task at hand is achieved by that. that blended yarn for knitting, consisting of cotton, linen and chemical fibers: high modulus viscose or polyester additionally contains a sizing agent at the following content of components, wt.% cotton. 3-1, 3-P, 5-140-50

standard length, mm 31.4-35.2

June cotonized 25-30 staple length, mm 26-27.3 with a fire content of up to 1%

chemical fiber

high modulus viscose

UI hapel length, mm 35-37..5 or polyester29.6-30

W hapelny length, mm 35-38

oiler 0.3-0.4

As a sizing agent, use is made of a composition of a mixture of surfactants of a known sizing agent (AS USSR K 1086042, publ. BI No. 14, 1984):

tzceg 2

Characteristics of the raw material composition of blended single yarn Cotton fiber 54, 3-1, Z-P

breaking load, g / s 4.3 - 4.4

staple length, mm31.4-35.2

linear density tex 0.165-0.174

weediness,% 1.9-2.5

Cotonized flax fiber (Nesvizh Flax Mill OJSC)

breaking load, g / s33.8

average staple length, mm26 - 27.3

linear density tex 0.7 - 1.2

splitting 1400-1600

the content of fires and weed impurities,% to 1

humidity,% 9 Staple polyester fiber

breaking load, g / sj 7.5-8.1

staple length, mm 35-37.5-38

linear density, tex0,136 Viscose fiber, high modulus

breaking load, g / s

staple length, mm

linear density tex

V

18.3-9

or pure velositovy I-40 oil.

Blended single yarn was obtained on cotton spinning equipment in the conditions of the Sovetskaya 3vechda.

At the first stage of yarn production: at the APIC-T16 baking-and-grinding unit, cotton fiber and cotton flax (cotton from Nesvizh flax factory) are mixed in a ratio of 50: 50. The cotton and linen mixture is fed to Wirkbau combiners with bunker feed. The resulting tape in the process of laying in a basin is oiled according to the method “inside the tape with a device (AS USSR fo 1390263, publ. BI No. 5.1988). The introduction of the sizing is carried out in the longitudinal and transverse directions of the fibers in an amount of 0.5-0.6% of the cotton-linen mixture, and a negative pressure drop is created at the place of supply of the sizing, i.e. the sizing agent is applied in the form of an oil-air mixture into the region of reduced pressure, which ensures its suction into the burrow space of the fibrous product. After mixing on tape machines (for the ring method for producing yarn on Hova machines, and for the pneumomechanical method for producing yarn on machines L 2-50-220) with polyester staple or viscose high modulus fibers, the amount of sizing on the tape is 0.3-0.4 % Yarn is formed from the tape in a pneumomechanical way at a speed of 250-400 m / min. When learning yarn in a ring way, the tape is first fed to the roving machine R-168-3 with a spindle speed of 700-800 min, and then to a spinning machine P-66-5M6 with a spinning frequency of 8000-9000 min. The following are the characteristics of the raw material composition to obtain the claimed yarn. Table 1 presents examples of specific yarn compositions, and in Table 2, physical and mechanical indicators of the yarn depending on the spinning method.

The use of fibers of equal length along the individual length makes it possible to obtain a yield of yarn from the mixture of up to 80%. The staple length of the fibers used, the content of the bonfire in the flaxen cotton fiber, and the ingredient composition of the yarn are optimal to ensure reduction in the burnt coefficient of variation by number, by load; 5 breaking load, which makes it possible to use yarn to make knitted fabrics with improved stiffness and use them to make products Children's and Ho.ipocTKOBoro assortment.

sz

1s; Yu

2

J3

cx

D t

B.

rq sz

§ sz

The inventive combination of features provides yarn strong and soft as an annular and pneumomechanical method. The increase in electrical conductivity due to the introduction of a sizing reduces the electrification of the fibers and, therefore, improves manufacturability when knitting knitted fabrics, by reducing the friction of the threads on the metal parts of the machines. Using the obtained yarn, you can produce hosiery with a smooth surface on a crochet knitting machine AGI.

characterized by the following physical and hygienic

Products with indicators: Gy I Roscopicity,% at relative humidity 98% Breathability, dm / m s Us I Stability of coloring to influence: from 1 hand, points in soap solution at 40 C sweat, points of dry friction Surface electrical resistance, Ohm

Financial Director of Concern Quartoy OJSC

13 (GOST R 50720-94, GOST R 50966-96) PO (GOST 12088-77)

 1V.V. Pugachev

,, 4 4 (GOST 2351-88) 3 10 (San PiN No. 42-125-4390-87)

Claims (1)

Mixed yarn for knitting, knitted, consisting of cotton, linen and chemical fibers: high-modulus viscose or polyester, characterized in that it additionally contains a sizing at the following content of components, wt.%:
Cotton 3-1, 3-P, 5-1 staple length 31.4-35.2 mm - 40-50
Flax cotonized staple length 26-27.3 mm with a fire content of up to 1% - 25-30
High-modulus viscose chemical fiber staple length 33-37.5 mm - 24.6-25
Or polyester staple length 35-38 mm - 29.6-30
Sizing - 0.3-0.4