CN101381921A - Method for producing giant rubber hose framework material - Google Patents
Method for producing giant rubber hose framework material Download PDFInfo
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- CN101381921A CN101381921A CNA2008102304241A CN200810230424A CN101381921A CN 101381921 A CN101381921 A CN 101381921A CN A2008102304241 A CNA2008102304241 A CN A2008102304241A CN 200810230424 A CN200810230424 A CN 200810230424A CN 101381921 A CN101381921 A CN 101381921A
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Abstract
The invention relates to a method for producing giant hose framework material. The method comprises the following steps: nylon 6 or nylon 66 industrial yarn is adopted as a warp-wise raw material; the raw material is subjected to first twist, second twist and weaving; during the first twist, two strands of industrial yarn are doubled and twisted in a Z twist direction, with the twist degree between 10 and 25 twist/10cm; during the second twist, two to six first twist threads are twisted according to the twist degree between 10 and 25 twist/10cm in an S twist direction, so as to obtain second twist threads; and woven cloth is subjected to gum dipping, drying, hot stretching and setting treatment, and then the giant hose framework material can be obtained. With the reasonably designed process, the method raises the strength retention rate of a plurality of heavy-denier cord threads to 95.0 percent, keeps elongation at break between 20.5 and 23.5 percent, multiplies the line diameter of the obtained giant hose framework material, and ensures high fabric density. The framework material is more than twice the breaking strength of a conventional cord fabric, has the breaking strength more than or equal to 800 N/thread, and has the bonding force more than or equal to 300 N/2.54cm.
Description
(1) technical field
The present invention relates to a kind of production method of giant rubber hose framework material.
(2) background technology
Conventional cord fabric thread framework material generally is to adopt materials such as terylene, polyamide fibre 6, polyamide fibre 66, viscose glue to make, and line is through 0.5～0.8mm, and ultimate strength is up to the 320N/ root, can't satisfy the giant rubber hose framework material performance demands.Giant rubber hose requires the framework material ultimate strength up to the 800N/ root, line footpath thick 1.2～1.4mm, the big 55/10cm of warp density, have ultimate strength height, light weight, high pressure resistant, high temperature resistant, shock resistance, DIMENSIONAL STABILITY good, with requirements such as rubber bound is good.The whole dependence on import of fiber reinforcement material that present domestic preparation giant rubber hose is used, the specification limited amount, the arrival cycle is long.And giant rubber hose belongs to the high technology content product, be national industry policy encourage growth product, so Development and Production have ultimate strength height, high pressure resistant, high temperature resistant, shock resistance, DIMENSIONAL STABILITY giant rubber hose framework material good, good with rubber bound, that be easy to process and have very important significance.
(3) summary of the invention
The object of the present invention is to provide a kind of production method of giant rubber hose framework material, to prepare the giant rubber hose framework material of superperformance.
The technical solution used in the present invention is as follows:
A kind of production method of giant rubber hose framework material, warp-wise raw material adopt polyamide fibre 6 or polyamide fibre 66 industry silks, and raw material is carried out first twist, retwist, weaves cotton cloth, and first twist adopts two strands and twist with the fingers, twist with the fingers to be Z to, the twist is 10～25 sth. made by twisting/10cm; Twisting thread at the beginning of retwist adopts 2～6 strands obtains folded twisted netting twine according to 10～25 sth.s made by twisting/10cm twisting, sth. made by twisting to be S to; The cloth that weaves is carried out impregnation, drying, and hot drawing-off, typing are handled, and promptly get giant rubber hose framework material.
The present invention mainly adopts a polyamide fibre 6 or polyamide fibre 66 a high-tenacities industry warp-wise raw material as framework material, as the heavy dawn 1870dtex of polyamide fibre 66 multiplies (also can adopt other line densities) industry silk, intensity height, wear-resisting, high temperature resistant, good toughness, broadwise can adopt cotton yarn or polyester-cotton blend.But because after adopting heavy dawn industry silk to do warp, the footpath overstriking at double of cord line, twisting technique originally just can't adapt to the production of superelevation dawn industry silk.In order to guarantee that warp has high ultimate strength, the twist, twisting technique and twisting parts to first twist and retwist improve, proposed a multiply industry scheme of also twisting with the fingers, reducing twisting speed is 4000～5000rpm, makes the twisting tension of two strands of silks and sth. made by twisting guarantee that evenly the twist is even; Adopt the multiply ring to substitute the ring of light simultaneously, reduce the contact area of the fiber and the ring of light, thereby reduced the friction in the process of twisting thread, guarantee that elongation at break conforms to quality requirements, improve strength retention.Increase nylon hook weight and be 380～1300mg and guarantee that to avoid flying hook twisting carries out smoothly.
Because warp adopts heavy dawn industry silk, warp density is big, utilize the existing conventional cord fabric loom weak effect of weaving cotton cloth, so can adopt the thickening of various conventional widen reed (20～30T/10cm), change the butt joint margin to seam method of overstriking warp simultaneously, adopt 4 strands butt joint margin to seam method " hand sews up a method ", the long 5cm of margin to seam, about 35 pins, stay tail a 3～5mm, with the polyamide fibre 66 margin to seam lines that use now.Adopt above method can realize wovenly carrying out smoothly.
The overstriking at double in cord line footpath also has higher requirement to the impregnation that carries out after weaving cotton cloth, drying, hot drawing-off, setting process etc., when guaranteeing the overstriking cord dipping and enough reaction time of glue and suitable drying and necessary drafting forming, make the giant rubber hose framework material of making have high intensity, low percent thermal shrinkage and good cohesive force, this method is improved the parameter in the following steps: the employing solid content is 14.5～17.5% RFL dipping solution during impregnation, viscosity is 1.5～3.1Pas, and impregnation speed is 40～55m/min; Baking temperature is 140～170 ℃; Total stretch ratio is 5.1～6.8% during hot drawing-off; The temperature that typing is handled is 200～235 ℃.The concrete technological process of handling weaving cotton cloth is as follows:
Grey cloth is led out → preceding storage cloth holder → gumming device → dry section → 1# tension bracket → draw zone → 2# tension bracket → shaping area → cooling zone → 3# tension bracket → 4# tension bracket → back storage cloth holder → coiling and molding → packing → finished product.
Described RFL dipping solution is meant the solution that is formed by low pure water, resorcinol, caustic soda, formaldehyde, VP (vinylpyridine latex), SBR (styrene-butadiene latex), NR (Heveatex) and ammoniacal liquor allotment.Wherein the proportioning of each material composition is low pure water: 33～70%, and resorcinol: 0.5～3.5%, caustic soda: 0.1～2%, formaldehyde: 1～5%, VP:15～40%, SBR:2～8%, NR:0.5～3%, ammoniacal liquor: 1.2～5.5%.The RFL dipping solution that obtains is the solution that mixes, and it characterizes and adopts solid content and viscosity to carry out.
The production method of described giant rubber hose framework material can followingly be carried out:
The warp-wise raw material adopts polyamide fibre 6 or polyamide fibre 66 industry silks, and the broadwise material adopts cotton yarn or polyester-cotton blend; Raw material is carried out first twist, retwist, weaves cotton cloth, and first twist adopts two strands and sth. made by twisting, and twisting speed is 4000～5000rpm, nylon hook weight 380～600mg, and the twist is 10～25 sth. made by twisting/10cm; Twisting thread according to twisting speed at the beginning of the retwist employing 2-6 thigh is 4000～5000rpm, nylon hook weight 380～1300mg, and the twist obtains folded twisted netting twine by 10～25 sth. made by twisting/10cm twisting; Warp adopts 4 strands butt joint margin to seam when weaving cotton cloth; With the speed mono bath impregnation of being arranged in the RFL dipping solution that solid content is 14.5～17.5%, viscosity is 1.5～3.1Pas that weaves with 40～55m/min, then in 140～170 ℃ of dryings, 5.1～6.8% total stretch ratio carries out hot drawing-off, 200～235 ℃ of typings are handled, and promptly gets giant rubber hose framework material after the cooling.
The present invention has following advantage with respect to prior art:
The present invention by reasonable in design twist thread, weave cotton cloth, gum dipping process and rationally improve to weaving parts, effectively solve problems such as the strength loss of the heavy dawn cord of multiply in twisting process is big, elongation at break is low, make its strength retention bring up to 95.0% by 75.7%, elongation at break remains on 20.5～23.5%.Giant rubber hose framework material line footpath overstriking to the 1.2 at double～1.40mm that makes, Density is big, is 40～60/10cm; Ultimate strength is more than 2 times of conventional cord, ultimate strength 〉=800N/ root, bonding force 〉=300N/2.54cm.
(4) specific embodiment:
Below with specific embodiment technical scheme of the present invention is described, but protection scope of the present invention is not limited thereto:
Embodiment 1
The warp-wise raw material adopts polyamide fibre 66 1870dtex industry silk, and the broadwise material adopts cotton yarn; Raw material is carried out first twist, retwist, weaves cotton cloth, and first twist adopts two strands and sth. made by twisting, and twisting speed is 5000rpm, nylon hook weight 600mg, and the twist is 16 sth. made by twisting/10cm; Retwist is twisted thread at the beginning of adopting 3 strands, and twisting speed is 4000rpm, and nylon hook weight 1300mg obtains folded twisted netting twine according to 17 sth. made by twisting/10cm twisting; Warp adopts 4 strands butt joint margin to seam when weaving cotton cloth; With the speed mono bath impregnation of being arranged in the RFL dipping solution that solid content is 16.5%, viscosity is 1.5Pas that weaves with 45m/min, then in 155 ℃ of dryings, 5.5% total stretch ratio carries out hot drawing-off, 220 ℃ of typings are handled, and cooling back package promptly gets giant rubber hose framework material.Its Main physical performance is: ultimate strength 850.8N/ root, elongation at break 22.5%, bonding force 350.2N/2.54cm.
Embodiment 2
The warp-wise raw material adopts polyamide fibre 66 1870dtex industry silk, and the broadwise material adopts polyester-cotton blend; Raw material is carried out first twist, retwist, weaves cotton cloth, and first twist adopts two strands and sth. made by twisting, and twisting speed is 4000rpm, nylon hook weight 420mg, and the twist is 20 sth. made by twisting/10cm; Retwist is twisted thread at the beginning of adopting 6 strands, and twisting speed is 5000rpm, and nylon hook weight 800mg obtains folded twisted netting twine according to 17 sth. made by twisting/10cm twisting; Warp adopts 4 strands butt joint margin to seam when weaving cotton cloth; With the speed mono bath impregnation of being arranged in the RFL dipping solution that solid content is 15.0%, viscosity is 1.5Pas that weaves with 50m/min, then in 150 ℃ of dryings, 6.0% total stretch ratio carries out hot drawing-off, 225 ℃ of typings are handled, and cooling back package promptly gets giant rubber hose framework material.Its Main physical performance is: ultimate strength 800.9N/ root, elongation at break 20.5%, bonding force 300.3N/2.54cm.
Embodiment 3
The warp-wise raw material adopts the 1870dtex industry silk of polyamide fibre 66, and the broadwise material adopts cotton yarn; Raw material is carried out first twist, retwist, weaves cotton cloth, and first twist adopts two strands and sth. made by twisting, and twisting speed is 4000rpm, nylon hook weight 380mg, and the twist is 15 sth. made by twisting/10cm; Retwist is twisted thread at the beginning of adopting 6 strands, and twisting speed is 4000rpm, and nylon hook weight 1000mg obtains folded twisted netting twine according to 18 sth. made by twisting/10cm twisting; Warp adopts 4 strands butt joint margin to seam when weaving cotton cloth; With the speed mono bath impregnation of being arranged in the RFL dipping solution that solid content is 17.0%, viscosity is 2.5Pas that weaves with 55m/min, then in 160 ℃ of dryings, total stretch ratio with 6.5% carries out hot drawing-off, 230 ℃ of typings are handled, and cooling back package promptly gets giant rubber hose framework material.Its Main physical performance is: ultimate strength 810.6N/ root, elongation at break 21.5%, bonding force 320.5N/2.54cm.
Embodiment 4
The warp-wise raw material adopts two kinds of specification industry of 2100dtex, 2800dtex silk of polyamide fibre 66, and the broadwise material adopts polyester-cotton blend; Raw material is carried out first twist, retwist, weaves cotton cloth, and first twist adopts two strands and sth. made by twisting, and twisting speed is 5000rpm, nylon hook weight 600mg, and the twist is 14 sth. made by twisting/10cm; Retwist is twisted thread at the beginning of adopting 6 strands, and twisting speed is 4000rpm, and nylon hook weight 1300mg obtains folded twisted netting twine according to 15 sth. made by twisting/10cm twisting; Warp adopts 4 strands butt joint margin to seam when weaving cotton cloth; With the speed mono bath impregnation of being arranged in the RFL dipping solution that solid content is 17.0%, viscosity is 2.5Pas that weaves with 55m/min, then in 160 ℃ of dryings, total stretch ratio with 6.5% carries out hot drawing-off, 230 ℃ of typings are handled, and cooling back package promptly gets giant rubber hose framework material.Its Main physical performance is: ultimate strength 1100.1N/ root, elongation at break 22.6%, bonding force 360.7N/2.54cm.
Claims (10)
1. the production method of a giant rubber hose framework material, warp-wise raw material adopt polyamide fibre 6 or polyamide fibre 66 industry silks, and raw material is carried out first twist, retwist, weaves cotton cloth, and first twist adopts two strands of industry silks and twists with the fingers, twist with the fingers to be Z to, the twist is 10～25 sth. made by twisting/10cm; Twisting thread at the beginning of retwist adopts 2～6 strands obtains folded twisted netting twine according to 10～25 sth.s made by twisting/10cm twisting, sth. made by twisting to be S to; The cloth that weaves is carried out impregnation, drying, and hot drawing-off, typing are handled, and promptly get giant rubber hose framework material.
2. the production method of giant rubber hose framework material according to claim 1, twisting speed is 4000～5000rpm when it is characterized in that first twist and retwist.
3. the production method of giant rubber hose framework material according to claim 1, the nylon hook weight of twisting when it is characterized in that first twist and retwist is 380～1300mg.
4. the production method of giant rubber hose framework material as claimed in claim 1, impregnation speed is 40～55m/min when it is characterized in that impregnation is handled.
5. the production method of giant rubber hose framework material as claimed in claim 4, adopting solid content when it is characterized in that impregnation is 14.5～17.5% RFL dipping solution, viscosity is 1.5～3.1Pas.
6. the production method of giant rubber hose framework material as claimed in claim 1 is characterized in that baking temperature is 140～170 ℃.
7. the production method of giant rubber hose framework material as claimed in claim 1, total stretch ratio is 5.1～6.8% when it is characterized in that hot drawing-off.
8. the production method of giant rubber hose framework material as claimed in claim 1, the temperature of handling that it is characterized in that finalizing the design is 200～235 ℃.
9. the production method of giant rubber hose framework material as claimed in claim 1 is characterized in that warp adopts 4 strands butt joint margin to seam method.
10. as the production method of one of claim 1-9 described giant rubber hose framework material, it is characterized in that the warp-wise raw material adopts polyamide fibre 66 industry silks, raw material is carried out first twist, retwist, weaves cotton cloth, first twist adopts two strands and sth. made by twisting, twisting speed is 4000～5000rpm, nylon hook weight 380～600mg, the twist is 10～25 sth. made by twisting/10cm; Twisting thread at the beginning of retwist adopts 2～6 strands according to twisting speed is that 4000～5000rpm, the twisting twist are that 10～25 sth. made by twisting/10cm can obtain folded twisted netting twine, and the nylon hook weight of employing is 380～1300mg; Warp adopts 4 strands butt joint margin to seam when weaving cotton cloth; With the speed impregnation of being arranged in the RFL dipping solution that solid content is 14.5～17.5%, viscosity is 1.5～3.1Pas that weaves with 40～55m/min, then in 140～170 ℃ of dryings, 5.1～6.8% total stretch ratio carries out hot drawing-off, 200～235 ℃ of typings are handled, and promptly gets giant rubber hose framework material after the cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102304241A CN101381921B (en) | 2008-10-15 | 2008-10-15 | Method for producing giant rubber hose framework material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102304241A CN101381921B (en) | 2008-10-15 | 2008-10-15 | Method for producing giant rubber hose framework material |
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| Publication Number | Publication Date |
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| CN101381921A true CN101381921A (en) | 2009-03-11 |
| CN101381921B CN101381921B (en) | 2012-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008102304241A Expired - Fee Related CN101381921B (en) | 2008-10-15 | 2008-10-15 | Method for producing giant rubber hose framework material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103014973A (en) * | 2013-01-09 | 2013-04-03 | 重庆国际复合材料有限公司 | Production method of twisting more than six single glass fiber yarns into one strand |
| CN103963394A (en) * | 2013-12-30 | 2014-08-06 | 浙江国力科技有限公司 | Glue dipped isotropic grey fabric interwoven through S-twist and Z-twist of warp and weft |
| CN113882062A (en) * | 2021-11-11 | 2022-01-04 | 无锡鸿淼布业有限公司 | A new type of coating cloth manufacturing method |
-
2008
- 2008-10-15 CN CN2008102304241A patent/CN101381921B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103014973A (en) * | 2013-01-09 | 2013-04-03 | 重庆国际复合材料有限公司 | Production method of twisting more than six single glass fiber yarns into one strand |
| CN103014973B (en) * | 2013-01-09 | 2016-08-24 | 重庆国际复合材料有限公司 | A kind of more than 6 strands glassfiber strand are also twisted as the production method of 1 strand |
| CN103963394A (en) * | 2013-12-30 | 2014-08-06 | 浙江国力科技有限公司 | Glue dipped isotropic grey fabric interwoven through S-twist and Z-twist of warp and weft |
| CN103963394B (en) * | 2013-12-30 | 2015-10-28 | 浙江国力科技有限公司 | Graticule positive reverse lay openpore intertexture impregnation homogeneous cloth |
| CN113882062A (en) * | 2021-11-11 | 2022-01-04 | 无锡鸿淼布业有限公司 | A new type of coating cloth manufacturing method |
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| CN101381921B (en) | 2012-02-01 |
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Granted publication date: 20120201 Termination date: 20171015 |