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Industrial warp-knitted base fabric and method of producing same

An industrial, warp-knitting-based technology, applied in warp knitting, textiles, papermaking, yarn, etc., can solve problems such as product quality impact, serious yarn slippage, low warp and weft density, etc.

Inactive Publication Date: 2010-01-13
TORAY FIBER RES INST(CHINA) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The base fabrics currently used in the market are all woven base fabrics. Due to the use of thicker yarns and lower warp and weft density for weaving, the base fabrics have poor delamination resistance and relatively serious slippage of the yarns. , will adversely affect the strength of the composite non-woven fabric
In addition, if this kind of base fabric is used for the production of film products, the aforementioned dedispersibility will have a greater impact on the quality of the product

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
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Select the following polyphenylene sulfide full-drawn yarns, and use a tricot warp knitting machine to weave into a warp-knitted base fabric with good geometric stability.

[0012] Bar number

yarn

organize

GB1

500T-72-FDY

1-0 / 1-2 / /

GB2

500T-72-FDY

3-3 / 0-0 / /

[0013] The model of the warp knitting machine is HKS2 (130inch; E24 or E20); the set coiling density can be 16cpc.

[0014] After the above-mentioned gray cloth is subjected to common pretreatment, it is heat-set to obtain the finished base cloth.

[0015] According to the Japanese Industrial Standard JIS L1018 8.14.2 elongation standard under constant load, the measured elongation is less than 5%; according to the Japanese Industrial Standard JIS L1018 8.13 tensile strength and elongation standard, the measured longitudinal tensile strength is : 600N; transverse tensile strength: 650N.

Embodiment 2

[0017] Select the following polyphenylene sulfide spun yarns, and use a tricot warp knitting machine to weave into a warp knitted base fabric with good geometric stability.

[0018] Bar number

yarn

organize

GB1

20s / 2

1-0 / 0-1 / /

GB2

20s / 2

1-0 / 1-2 / /

GB2

20s / 2

3-3 / 0-0 / /

[0019] The model of the warp knitting machine is HKS3 (130inch; E20 or E16); the set coiling density can be 14cpc.

[0020] After the above-mentioned gray cloth is subjected to common pretreatment, it is heat-set to obtain the finished base cloth.

[0021] According to the Japanese Industrial Standard JIS L1018 8.14.2 elongation standard under constant load, the measured elongation is less than 5%; according to the Japanese Industrial Standard JIS L1018 8.13 tensile strength and elongation standard, the measured longitudinal tensile strength is : 500N; transverse tensile strength: 650N.

Embodiment 3

[0023] Select the following polyphenylene sulfide false-twisted yarns, and use a tricot machine to weave a warp-knitted base fabric with good geometric stability.

[0024] Bar number

yarn

organize

GB1

400T-72-DTY

1-0 / 0-1 / /

GB2

400T-72-FDY

1-0 / 1-2 / /

GB2

500T-72-FDY

3-3 / 0-0 / /

[0025] The model of the warp knitting machine is HKS3 (130inch; E20 or E16); the set coiling density can be 14cpc.

[0026] After the above-mentioned gray cloth is subjected to common pretreatment, it is heat-set to obtain the finished base cloth.

[0027] According to the Japanese Industrial Standard JIS L1018 8.14.2 elongation standard under constant load, the measured elongation is less than 5%; according to the Japanese Industrial Standard JIS L1018 8.13 tensile strength and elongation standard, the measured longitudinal tensile strength is : 600N; transverse tensile strength: 650N.

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
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Abstract

The invention discloses industrial warp-knitted base fabric of high intensity, large size and good stability. The geometric base fabric with good stability and high strength is knitted from false-twisted yarn and fully-drawn yarn which is made of polyolefin or / and polyphenylene sulfide. The Japanese industrial standard (JIS) L1018 8.14.2 constant load elongation rate test proves that the industrial warp-knitted base fabric has the elongation rate of less than 5 percent; the JIS L10188.13 tensile strength and elongation rate test proves that the industrial warp-knitted base fabric has the tensile strength of 400-1200 N; and the industrial warp-knitted base fabric has the gram weight of 40-500 g / m<2>. To achieve the better geometric stability performance of the base fabric, at least two combs are used for knitting the base fabric, wherein the front comb is used for circularly-knitting, and at least one of the rear combs is used for weft-knitting.

Description

technical field [0001] The invention relates to a warp-knitted textile, in particular to a warp-knitted textile with stable geometry and high strength. Background technique [0002] At present, the method of reinforcing non-woven fabrics is generally to use acupuncture technology to compound the base cloth and fiber layer to achieve the purpose of improving the tear strength of non-woven fabrics. The base fabrics currently used in the market are all woven base fabrics. Due to the use of thicker yarns and lower warp and weft density for weaving, the base fabrics have poor delamination resistance and relatively serious slippage of the yarns. , will adversely affect the strength of the composite nonwoven fabric. In addition, if this kind of base fabric is used for the production of film-laminated products, the above-mentioned dedispersibility will have a greater impact on the quality of the product. Invention content: [0003] The object of the present invention is to provi...

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
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Application Information

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IPC IPC(8): D04B21/00D02G3/02
Inventor 施一娇张晴刘同娟
Owner TORAY FIBER RES INST(CHINA) CO LTD
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