CN102041591A - High-temperature-resistant composite sewing thread - Google Patents
High-temperature-resistant composite sewing thread Download PDFInfo
- Publication number
- CN102041591A CN102041591A CN 201010550563 CN201010550563A CN102041591A CN 102041591 A CN102041591 A CN 102041591A CN 201010550563 CN201010550563 CN 201010550563 CN 201010550563 A CN201010550563 A CN 201010550563A CN 102041591 A CN102041591 A CN 102041591A
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- Prior art keywords
- twisting
- high temperature
- sewing thread
- temperature resistant
- resistant composite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000009958 sewing Methods 0.000 title claims abstract description 52
- 239000002131 composite material Substances 0.000 title claims abstract description 28
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 43
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 43
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 31
- 239000003365 glass fiber Substances 0.000 claims abstract description 28
- 239000000835 fiber Substances 0.000 claims abstract description 15
- 238000002360 preparation method Methods 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 229920002545 silicone oil Polymers 0.000 claims abstract description 6
- 238000001035 drying Methods 0.000 claims abstract description 5
- 238000007598 dipping method Methods 0.000 claims abstract description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 12
- 239000004809 Teflon Substances 0.000 claims description 12
- 229920006362 Teflon® Polymers 0.000 claims description 12
- 229910052710 silicon Inorganic materials 0.000 claims description 12
- 239000010703 silicon Substances 0.000 claims description 12
- 241000209094 Oryza Species 0.000 claims description 11
- 235000007164 Oryza sativa Nutrition 0.000 claims description 11
- 235000009566 rice Nutrition 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 7
- 206010020843 Hyperthermia Diseases 0.000 claims description 3
- 230000036031 hyperthermia Effects 0.000 claims description 3
- 239000002243 precursor Substances 0.000 claims description 2
- 238000007711 solidification Methods 0.000 claims description 2
- 230000008023 solidification Effects 0.000 claims description 2
- 239000000839 emulsion Substances 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 3
- 239000000725 suspension Substances 0.000 abstract 1
- 238000001914 filtration Methods 0.000 description 5
- 239000003921 oil Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 229920000784 Nomex Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004763 nomex Substances 0.000 description 2
- 238000006424 Flood reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Landscapes
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Woven Fabrics (AREA)
Abstract
The invention relates to a high-temperature-resistant composite sewing thread, belonging to the technical field of materials for fire resistance. The high-temperature-resistant composite sewing thread is provided with twisting blank thread; the outer surface of the twisting blank thread is coated with a protecting layer; and the twist of the twisting blank thread is 280-300 twist/meter, the flexibility is high, the sewability is good, the price is low, the temperature resistance is high and durability is realized. The invention provides a preparation method of the high-temperature-resistant composite sewing thread, which comprises the following steps: adopting one or more of alkali-free glass fibre, basalt glass fibre, polytetrafluoroethylene fibre or steel wires; forming the blank thread by twisting; and then dipping the blank thread into a layer of mixed liquor of polytetrafluoroethylene suspension and high-temperature-resistant silicone oil emulsion, drying at high temperature and curing, and obtaining the high-temperature-resistant composite sewing thread. The preparation method is scientific, reasonable, simple and easy, and is easy to implement.
Description
Technical field
The present invention relates to a kind of high temperature resistant composite sewing thread and preparation method thereof, belong to the fire-resistant material technology field of using.
Background technology
The sewing thread of making the high temperature needled filtering felt at present has three classes.The most frequently used is the sewing thread that alkali-free glass fibre is made, and another kind is the sewing thread that polytetrafluoroethylene fibre is made, and also having a kind of is the sewing thread that the firm in recent years domestic basalt glass fiber that begins to do is made.Sewing thread with alkali-free glass fibre and basalt glass fiber are made because pliability is poor, breaks during sewing easily, causes inefficiency.Though the fracture strength of polytetrafluoroethylene (PTFE) sewing thread and pliability all are better than the glass fibre sewing thread, but cost is higher, and temperature tolerance is not as the glass fibre sewing thread.
Summary of the invention
The object of the present invention is to provide a kind of high temperature resistant composite sewing thread, the pliability height, seamability is good, and price is low, and the heatproof height is durable in use;
The present invention provides its scientific and reasonable, simple and easy to do preparation method simultaneously.
For the ease of understanding the present invention, the several conventional term in the weaving processing industry is described below:
(1) twisting: twisting is to make two cross sections of yarn produce revolution relatively, and the fiber that at this moment was parallel to the yarn axle in the yarn originally is inclined to screw line.Concerning glass fibre, twisting mainly is intensity and the folding anti-wear performance in order to improve yarn.
(2) twist: the twist be yarn add spiral angle reverse one the circle be a turn.Number of twists in the yarn unit length claims the twist.Represent to also have in addition the English count system twist of representing with number of twists in the per inch with the number of twists in every meter in this material.
(3) twist with the fingers to: twist with the fingers after being meant yarn twisting the incline direction that single thread presents in fiber in the single thread or the strand.It divides Z to twist with the fingers and S twists with the fingers two kinds.After the twisting, the sth. made by twisting of yarn is to being inclined to the upper left corner from the lower right corner, and the middle part corresponding to title S of incline direction and " S " twists with the fingers or clockwise twist; The sth. made by twisting of yarn is to from from the lower left corner tendency upper right corner, middle part corresponding to titles Z sth. made by twisting or the counter-clockwise twist of incline direction and " Z ".
High temperature resistant composite sewing thread of the present invention has twisting base line, it is characterized in that the outer surface of twisting the base line has sheath again.
The twist of twisting base line is 280-300 sth. made by twisting/Mi Shiyi.
Scientific and reasonable, the simple and easy to do preparation method of the present invention is as follows:
In employing alkali-free glass fibre, basalt glass fiber, polytetrafluoroethylene fibre or the steel wire one or more, form the base line by adding to be twisted to, the mixed liquor of base line dipping one deck polytetrafluoroethylene teflon soliquoid and high temperature resistant silicon fat liquor is made through hyperthermia drying, curing then.
The weight concentration of the mixed liquor of polytetrafluoroethylene teflon soliquoid and high temperature resistant silicon fat liquor is controlled to be 15-20%, and wherein the part by weight of polytetrafluoroethylene (PTFE) and high temperature resistant silicone oil is 3 ﹕ 1 or 2 ﹕ 2.
Wherein preferred process conditions are as follows:
Twisting forms the base line through unwinding machine by 9-16 root fiber precursor, and its twist is a 280-300 sth. made by twisting/rice.
Bake out temperature is 220-240 ℃, and solidification temperature is 250-300 ℃.
Drying time is 50-60 second.
The concrete operations step is as follows:
(a) choose single respectively or many alkali-free glass fibre continuous strands, basalt glass fiber continuous strand, polytetrafluoroethylene (PTFE) long fiber or steel wire long filaments as raw material.
(b) every rhizoid moved back separate, move back the direction of separating for " S " to.
(c) will move back the silk of separating and twist thread, the direction of twisting thread for " Z " to, promptly make the base line of high temperature resistant composite sewing thread.
(d) the base line is carried out post processing, being about to the base line floods in concentration is the mixture of the high-temperature silicon oil emulsion of 15-20% and polytetrafluoroethylene teflon soliquoid, in baking oven, dry at last and solidify, thereby guaranteed the lubricity and the property durable in use of high temperature resistant composite sewing thread.
Several filametntary fineness of being got in step (a) is consistent.
In step (b), move back the twist 280-300 sth. made by twisting/rice of separating.
The twist 280-300 sth. made by twisting/rice of in step (c), twisting thread.
The collocation use by above-mentioned several different performance fibers and the high twist of sewing thread have guaranteed pliability, the seamability of sewing thread, and high temperature resistant, and price is low, has also guaranteed the durable in use of sewing thread.Further, by dipping one deck polytetrafluoroethylene teflon soliquoid and high temperature resistant silicon fat liquor and the curing of baking oven hyperthermia drying, make sewing thread further satisfy sewing requirement and durable in use.
The combustible content of described high temperature resistant composite sewing thread reaches 8%, and the fracture strength of described high temperature resistant composite sewing thread reaches more than the 0.6N/TEX, has guaranteed the pliability and the seamability of sewing thread.
The present invention compared with prior art has the following advantages:
The composite sewing thread of generation is carried out and twists with the fingers in utilization by alkali-free glass fibre continuous strand, basalt glass fiber continuous strand, polytetrafluoroethylene (PTFE) long fiber or steel wire long filament, its performance is between glass fibre sewing thread and polytetrafluoroethylene (PTFE) sewing thread, abundant pluses and minuses in conjunction with various fibers, folding resistance as glass fibre is poor, but temperature tolerance is good; The temperature tolerance of polytetrafluoroethylene fibre is poor, but wear-resisting, the high-intensity characteristics of folding, the temperature tolerance that adds a small amount of steel wire raising sewing thread, sheath has tensile strength height, acid and alkali-resistance, resistant to elevated temperatures advantage, the high temperature resistant composite sewing thread of making can adapt to the sewing requirement of the filtration Nomex of different applying working conditions and serviceability temperature, can be used for making various filter cloths, the needled filtering felt filter bag is widely used in multiple fields such as electronics, chemical industry, building, shipbuilding, Aero-Space.
Preparation method of the present invention is scientific and reasonable, and is simple and easy to do, implements easily.
The specific embodiment
The invention will be further described below in conjunction with embodiment.
High temperature resistant composite sewing thread of the present invention has twisting base line, and the twist of twisting base line is a 280-300 sth. made by twisting/rice, and the outer surface of twisting base line has sheath again.
High temperature resistant composite sewing thread of the present invention is made by one or more composite twists in alkali-free glass fibre, basalt glass fiber, polytetrafluoroethylene fibre and the steel wire.The base line of twisting is divided into four usually and moves back and three twist with the fingers, four move back four sth. made by twisting, three move back five twist with the fingers etc. several, with the sewing requirement of the filtration Nomex that satisfies different-thickness.
Embodiment 1
(1) with four of alkali-free glass fibre continuous strands with S to, move back and separate on the spool, the twist 300 sth. made by twisting/rice;
(2) with four of basalt glass fiber continuous strands with S to, move back and separate on the spool, the twist 300 sth. made by twisting/rice;
(3) with four of polytetrafluoroethylene (PTFE) long filaments with S to, move back and separate on the spool, the twist 300 sth. made by twisting/rice;
(4) above 3 kinds are moved back separate yarn, backtwisting on twisting machine forms the base line;
(5) the base line being flooded in the mixed liquor of high-temperature silicon oil emulsion and polytetrafluoroethylene teflon soliquoid, is that 220-240 ℃ of baking oven dried 30 seconds in temperature then, is that 250-300 ℃ of baking oven is cured processing 30 seconds in temperature;
Wherein, the weight concentration of the mixed liquor of polytetrafluoroethylene teflon soliquoid and high temperature resistant silicon fat liquor is controlled to be 15%, and the part by weight of polytetrafluoroethylene (PTFE) and high temperature resistant silicone oil is 3 ﹕ 1;
(6) package moulding.
Embodiment 2
(1) with four of basalt glass fiber continuous strands with S to, move back and separate on the spool, have one to be steel wire, the twist 300 sth. made by twisting/rice in the middle of four one threads;
(2) above 3 kinds are moved back separate yarn, backtwisting on twisting machine forms the base line;
(3) the base line being flooded in the mixed liquor of high-temperature silicon oil emulsion and polytetrafluoroethylene teflon soliquoid, is that 220-240 ℃ of baking oven dried 30 seconds in temperature then, is that 250-300 ℃ of baking oven is cured processing 30 seconds in temperature;
Wherein, the weight concentration of the mixed liquor of polytetrafluoroethylene teflon soliquoid and high temperature resistant silicon fat liquor is controlled to be 20%, and the part by weight of polytetrafluoroethylene (PTFE) and high temperature resistant silicone oil is 2 ﹕ 2;
(4) package moulding.
Embodiment 3
(1) with four of alkali-free glass fibre continuous strands with S to, move back and separate on the spool, have one to be steel wire, the twist 300 sth. made by twisting/rice in the middle of four one threads;
(2) above 3 kinds are moved back separate yarn, backtwisting on twisting machine forms the base line;
(3) the base line being flooded in the mixed liquor of high-temperature silicon oil emulsion and polytetrafluoroethylene teflon soliquoid, is that 220-240 ℃ of baking oven dried 30 seconds in temperature then, is that 250-300 ℃ of baking oven is cured processing 30 seconds in temperature;
Wherein, the weight concentration of the mixed liquor of polytetrafluoroethylene teflon soliquoid and high temperature resistant silicon fat liquor is controlled to be 18%, and the part by weight of polytetrafluoroethylene (PTFE) and high temperature resistant silicone oil is 3 ﹕ 1;
(4) package moulding.
According to the high temperature resistant composite sewing thread that the foregoing description 1 is made, its every performance is same as traditional polytetrafluoroethylene (PTFE) sewing thread, but temperature tolerance improves 20-30 ℃, improves 20% service life, and cost has only half of polytetrafluoroethylene (PTFE) sewing thread.
According to the high temperature resistant composite sewing thread that the foregoing description 2 and embodiment 3 make, its every performance is same as traditional glass fibre sewing thread, and intensity and temperature tolerance improve 10-20%.The high temperature resistant sewing thread made of method two particularly, the heatproof instantaneous temperature can reach 350-400 ℃, is fit to the resistant to elevated temperatures basalt needled filtering felt of sewing.
Above-mentioned manufacture method to three strands of high temperature resistant composite sewing threads is introduced, the manufacture method of other strands and embodiment therewith roughly the same, present technique field personnel can realize the compound of different strands and embodiment according to said method, do not repeat them here.
Claims (7)
1. a high temperature resistant composite sewing thread has twisting base line, it is characterized in that the outer surface of twisting the base line has sheath again.
2. high temperature resistant composite sewing thread according to claim 1, the twist that it is characterized in that twisting the base line is a 280-300 sth. made by twisting/rice.
3. according to the preparation method of the described high temperature resistant composite sewing thread of claim 1, it is characterized in that adopting in alkali-free glass fibre, basalt glass fiber, polytetrafluoroethylene fibre or the steel wire one or more, form the base line by adding to be twisted to, the mixed liquor of base line dipping one deck polytetrafluoroethylene teflon soliquoid and high temperature resistant silicon fat liquor is made through hyperthermia drying, curing then.
4. according to the preparation method of the described high temperature resistant composite sewing thread of claim 1, it is characterized in that the alkali-free glass fibre that adopts, the single fiber diameter of basalt glass fiber are the 3.5-5.5 micron.
5. the preparation method of high temperature resistant composite sewing thread according to claim 3 is characterized in that the base line is formed by the twisting of 9-16 root fiber precursor process unwinding machine, and its twist is a 280-300 sth. made by twisting/rice.
6. the preparation method of high temperature resistant composite sewing thread according to claim 3, the weight concentration that it is characterized in that the mixed liquor of polytetrafluoroethylene teflon soliquoid and high temperature resistant silicon fat liquor is controlled to be 15-20%, and wherein the part by weight of polytetrafluoroethylene (PTFE) and high temperature resistant silicone oil is 3 ﹕ 1 or 2 ﹕ 2.
7. according to the preparation method of claim 3,4 or 5 described high temperature resistant composite sewing threads, it is characterized in that bake out temperature is 220-240 ℃, solidification temperature is 250-300 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010550563XA CN102041591B (en) | 2010-11-19 | 2010-11-19 | High-temperature-resistant composite sewing thread and manufacture method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010550563XA CN102041591B (en) | 2010-11-19 | 2010-11-19 | High-temperature-resistant composite sewing thread and manufacture method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102041591A true CN102041591A (en) | 2011-05-04 |
| CN102041591B CN102041591B (en) | 2012-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010550563XA Expired - Fee Related CN102041591B (en) | 2010-11-19 | 2010-11-19 | High-temperature-resistant composite sewing thread and manufacture method |
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| Country | Link |
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| CN (1) | CN102041591B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102561035A (en) * | 2012-02-17 | 2012-07-11 | 武汉鑫友泰光电科技有限公司 | Method for preparing quartz fiber sewing thread |
| CN102560790A (en) * | 2012-01-12 | 2012-07-11 | 宁波双鸟带业有限公司 | Method for processing floss silk containing metallic yarns |
| CN105239230A (en) * | 2015-08-31 | 2016-01-13 | 江苏泓彦塑料制品有限公司 | Manufacturing method of PTFE filament |
| CN111020778A (en) * | 2019-12-13 | 2020-04-17 | 广州市白云区钟落潭家立美塑料制品厂 | Preparation method of heat-resistant sewing thread |
| CN111452459A (en) * | 2020-04-09 | 2020-07-28 | 江苏新凯盛企业发展有限公司 | High-temperature-resistant copper ammonia fiber fabric |
| CN111621894A (en) * | 2020-06-04 | 2020-09-04 | 辽宁凯富环保科技集团有限公司 | Preparation method of superfine alkali-free glass fiber sewing thread |
| CN111926435A (en) * | 2020-07-16 | 2020-11-13 | 抚顺天成环保科技有限公司 | Composite high-temperature-resistant yarn |
| CN114717700A (en) * | 2022-04-12 | 2022-07-08 | 山东大学 | Preparation method of alumina continuous fiber sewing thread |
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2010
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102560790A (en) * | 2012-01-12 | 2012-07-11 | 宁波双鸟带业有限公司 | Method for processing floss silk containing metallic yarns |
| CN102561035A (en) * | 2012-02-17 | 2012-07-11 | 武汉鑫友泰光电科技有限公司 | Method for preparing quartz fiber sewing thread |
| CN105239230A (en) * | 2015-08-31 | 2016-01-13 | 江苏泓彦塑料制品有限公司 | Manufacturing method of PTFE filament |
| CN105239230B (en) * | 2015-08-31 | 2017-09-12 | 江苏泓彦塑料科技有限公司 | A kind of preparation method of PTFE long filaments |
| CN111020778A (en) * | 2019-12-13 | 2020-04-17 | 广州市白云区钟落潭家立美塑料制品厂 | Preparation method of heat-resistant sewing thread |
| CN111452459A (en) * | 2020-04-09 | 2020-07-28 | 江苏新凯盛企业发展有限公司 | High-temperature-resistant copper ammonia fiber fabric |
| CN111621894A (en) * | 2020-06-04 | 2020-09-04 | 辽宁凯富环保科技集团有限公司 | Preparation method of superfine alkali-free glass fiber sewing thread |
| CN111926435A (en) * | 2020-07-16 | 2020-11-13 | 抚顺天成环保科技有限公司 | Composite high-temperature-resistant yarn |
| CN114717700A (en) * | 2022-04-12 | 2022-07-08 | 山东大学 | Preparation method of alumina continuous fiber sewing thread |
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| Publication number | Publication date |
|---|---|
| CN102041591B (en) | 2012-05-23 |
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Address after: 256100 Yiyuan County, Zibo, Shandong Province, yuyzhuang town Patentee after: SHANDONG XINGGUO DACHENG SPECIAL FIBER TECHNOLOGY Co.,Ltd. Address before: 256100 Yiyuan County, Zibo, Shandong Province, yuyzhuang town Patentee before: ZIBO CHOUNIU SPECIAL FIBER TECHNOLOGY Co.,Ltd. Address after: 256100 Yiyuan County, Zibo, Shandong Province, yuyzhuang town Patentee after: ZIBO CHOUNIU SPECIAL FIBER TECHNOLOGY Co.,Ltd. Address before: 256100 Yiyuan County, Zibo, Shandong Province, yuyzhuang town Patentee before: Zibo Xinli Special Fiber Science & Technology Co.,Ltd. |
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Granted publication date: 20120523 |