CN101381921B - Method for producing giant rubber hose framework material - Google Patents
Method for producing giant rubber hose framework material Download PDFInfo
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- CN101381921B CN101381921B CN2008102304241A CN200810230424A CN101381921B CN 101381921 B CN101381921 B CN 101381921B CN 2008102304241 A CN2008102304241 A CN 2008102304241A CN 200810230424 A CN200810230424 A CN 200810230424A CN 101381921 B CN101381921 B CN 101381921B
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- twist
- twisting
- framework material
- rubber hose
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- 239000000463 material Substances 0.000 title claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 229920001971 elastomer Polymers 0.000 title claims description 33
- 239000005060 rubber Substances 0.000 title claims description 33
- 239000004744 fabric Substances 0.000 claims abstract description 28
- 239000002994 raw material Substances 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 18
- 238000007598 dipping method Methods 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 11
- 238000009941 weaving Methods 0.000 claims abstract description 11
- 229920000742 Cotton Polymers 0.000 claims description 26
- 239000000835 fiber Substances 0.000 claims description 18
- 239000004952 Polyamide Substances 0.000 claims description 16
- 229920002647 polyamide Polymers 0.000 claims description 16
- 239000004677 Nylon Substances 0.000 claims description 14
- 238000005470 impregnation Methods 0.000 claims description 14
- 229920001778 nylon Polymers 0.000 claims description 14
- 210000001503 joint Anatomy 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 7
- 206010013786 Dry skin Diseases 0.000 claims description 6
- 235000014676 Phragmites communis Nutrition 0.000 claims description 2
- 238000013461 design Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 8
- 230000014759 maintenance of location Effects 0.000 abstract description 3
- 229920002292 Nylon 6 Polymers 0.000 abstract 1
- 229920002302 Nylon 6,6 Polymers 0.000 abstract 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 230000036314 physical performance Effects 0.000 description 4
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 239000002174 Styrene-butadiene Substances 0.000 description 3
- 229920003048 styrene butadiene rubber Polymers 0.000 description 3
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000004816 latex Substances 0.000 description 2
- 229920000126 latex Polymers 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 235000011121 sodium hydroxide Nutrition 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- KGIGUEBEKRSTEW-UHFFFAOYSA-N 2-vinylpyridine Chemical compound C=CC1=CC=CC=N1 KGIGUEBEKRSTEW-UHFFFAOYSA-N 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 229920004933 Terylene® Polymers 0.000 description 1
- 206010003549 asthenia Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000011115 styrene butadiene Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
Landscapes
- Woven Fabrics (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
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 process, 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; Thick 1.2～the 1.4mm in line footpath, 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 scheme that the present invention adopts is following:
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; Like the heavy dawn 1870dtex of polyamide fibre 66 multiplies (also can adopt other line densities) industry silk; Intensity is high, wear-resisting, high temperature resistant, good toughness, and 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, utilizes 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 processing 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 typing treatment temperature is 200～235 ℃.The concrete technological process of handling weaving cotton cloth is following:
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 said giant rubber hose framework material can be carried out as follows:
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 that is 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 through 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 661870dtex 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 that is 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 661870dtex 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 that is 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 that is 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 that is 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 (8)
1. the production method of a giant rubber hose framework material, said giant rubber hose framework material ultimate strength is up to 800N/ root, bonding force >=300N/2.54cm; Thick 1.2～the 1.4mm in line footpath, 40～60/10cm of Density; The warp-wise raw material adopts 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; Sth. made by twisting 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; Twisting speed is 4000～5000rpm when first twist and retwist, and the nylon hook weight of twisting is 380～1300mg, adopts and widens reed 20-30T/10cm; 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 as claimed in claim 1, impregnation speed is 40～55m/min when it is characterized in that impregnation is handled.
3. the production method of giant rubber hose framework material as claimed in claim 2, adopting solid content when it is characterized in that impregnation is 14.5～17.5% RFL dipping solution, viscosity is 1.5～3.1Pas.
4. the production method of giant rubber hose framework material as claimed in claim 1 is characterized in that baking temperature is 140～170 ℃.
5. 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.
6. the production method of giant rubber hose framework material as claimed in claim 1, the treatment temperature that it is characterized in that finalizing the design is 200～235 ℃.
7. 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.
8. like the production method of one of claim 1-7 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, and first twist adopts two strands and sth. made by twisting, and 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 that is 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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101381921A CN101381921A (en) | 2009-03-11 |
| CN101381921B true 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| 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 |
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