CN102839476A - Production process of high-strength high-silicon dioxide glass fiber yarns - Google Patents
Production process of high-strength high-silicon dioxide glass fiber yarns Download PDFInfo
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- CN102839476A CN102839476A CN2012103600484A CN201210360048A CN102839476A CN 102839476 A CN102839476 A CN 102839476A CN 2012103600484 A CN2012103600484 A CN 2012103600484A CN 201210360048 A CN201210360048 A CN 201210360048A CN 102839476 A CN102839476 A CN 102839476A
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Abstract
The invention discloses a production process of high-strength high-silicon dioxide glass fiber yarns. The production process comprises the steps of (1) preparing borosilicate glass fiber protofilaments to be high-silicon dioxide glass fiber yarns; (2) preparing yarns to be yarn coils; (3) conducting the first step of acid leach treatment; (4) conducting the second step of acid treatment; (5) conducting hot water washing; (6) washing with water at the room temperature; and (7) measuring the acid content state of the surface of each yarn by using pH test paper, when the pH value is smaller than 5, repeating the step (6), and when the pH value is larger than 5, finishing the water washing; (8) conducting high-temperature hot setting treatment; (9) conducting drying treatment; and (10) winding the dried yarns on a tower tube by a filament dividing and winding device. According to the high-silicon dioxide glass fiber yarns produced by the process provided by the invention, the appearance quality is superior to that of the product obtained by a conventional high-silicon dioxide glass fiber yarn production process, the quality stability is improved, the strength of the high-silicon dioxide glass fiber yarns produced by the process is improved by 15%, the quality stability of the of the high-silicon dioxide glass fiber yarns produced by the process is improved by more than 10%, so that the occasion of the using field of the yarns is expanded.
Description
Technical field
The present invention relates to a kind of production technology of high-strength resurrection glass fibre yarn, belong to extraordinary field of new.
Background technology
The resurrection glass fibre yarn has excellent properties such as heatproof, anti-ablation, is widely used in fields such as space flight, aviation.At present domestic and international resurrection glass fibre yarn production technology: the resurrection glass fibre raw yarn is wound on the device; Handle assembly connects yarn and together puts into the acid leach groove; Add certain density acid then in the groove; Add hot acid to requiring temperature, keep temperature to accomplish, put into tank to yarn then and clean until cleaning completion until acid leach.There is starting acid leaching excessive velocities in this technology, and product B easily induces reaction
2O
3, Na
2The supersaturation that concentration in solution such as O is local and separating out, thus the reduction of product strength caused.
Summary of the invention
The present invention is directed to the problem that the too fast product strength that causes of present resurrection glass fibre yarn acid leach starting velocity reduces; Adopt two step acid leach technologies; Be the preparatory leaching of process low temperature, diluted acid earlier of resurrection glass fibre raw yarn, pass through normal acid leach and washing process again, in technological requirement of the present invention; The resurrection glass fibre yarn that the production technology of this invention of process is produced improves more than 15% than the yarn intensity of former explained hereafter, and strength stability improves more than 10%.
The present invention realizes through following technical scheme: a kind of production technology of high-strength resurrection glass fibre yarn may further comprise the steps: (1) is moved back the sodium borosilicate glass fiber precursor and is separated, partnership process, and preparation becomes the resurrection glass fibre raw yarn.
(2) raw yarn is wound on the ryce with up-coiler, processes the yarn volume.
(3) yarn volume is evenly distributed with the mode of suspension and be placed in the acid leach groove; Then carrying out first step acid leach handles: join the hydrochloric acid of concentration 0.3～0.5N in the acid leach groove, the acid amount is benchmark with submergence yarn volume, and acidleach drop temperature is a normal temperature; The processing procedure acid-proof pump moves continuously; Circulation is stirred, 0.5～1 hour acid leach time, the acid after the back emission treatment of finishing dealing with.
(4) then in the acid leach groove, adding concentration after acid has been arranged is the hydrochloric acid solution of 2.0～3.2N; Addition is a benchmark with submergence yarn volume also; Annotate and heat to acid solution with steam after sour process is accomplished, the acid treatment temperature is controlled between 95～100 ℃, 2～4 hours processing times; Acid-proof pump stirrings that circulate when handling, the back of the finishing dealing with acid solution after processing is drained.
(5) acid arrange then and in the acid leach groove, has been added 50～65 ℃ of hot water of temperature with the form that sprays, and does not have yarn to roll up until water logging, with the acid-proof pump stirring that circulates, cleans 20～30 minutes, then water is drained.
(6) the water form of having arranged then with spray adds normal-temperature water in the acid leach groove, does not have the yarn volume until water logging, with the acid-proof pump stirring that circulates, cleans 20～30 minutes, then water is drained.
(7) measure the yarn surface with the PH test paper and contain acid condition, when pH value less than 5 the time, repeat (6) step, when pH value greater than 5 the time, washing is accomplished.
(8) then in continous mode HEAT SETTING stove, carry out the elevated temperature heat typing and handle 650～750 ℃ of temperature, 1～2 hour processing time.
(9) the yarn integral body after the HEAT SETTING is immersed in the glue, soaks 1～5 minute, hangs up yarn then, until the yarn No drip type, puts into baking oven to yarn at last, under 100～150 ℃ temperature, dries.
(10) be wound up into the yarn of oven dry on the Conical tube with a branch silk winding apparatus, promptly process the resurrection glass fibre yarn.
Borosilicate glass fiber precursor specification is that specification is BC8-24～BC9-33 in the said step (1).
Beneficial effect of the present invention:
Resurrection glass fibre yarn presentation quality through explained hereafter of the present invention is superior to the product that former resurrection glass fibre yarn production technology obtains; Quality stability improves; The resurrection glass fibre yarn intensity of this explained hereafter improves 15%; Quality stability improves more than 10%, thereby occasion is used in the use field of improving product.
Description of drawings
Fig. 1 is a process chart of the present invention.
The specific embodiment:
Specify the present invention below in conjunction with accompanying drawing and embodiment.
Embodiment one:
(1) is that the ternary resurrection glass fibre precursor of BC8-24 moves back and separates with specification, moves back and separate into moving back of BC8-24 * 4Z110 specification and separate yarn, pool capital then, be plied to the resurrection glass fibre raw yarn of BC8-24 * 4 * 3S110.
(2) raw yarn with BC8-24 * 4 * 3S110 is wound on the special ryce with up-coiler, processes former yarn length and be 2500 meters yarn volume.
(3) yarn volume is evenly distributed with the mode of suspension and is placed in the acid leach groove, 40 volumes altogether, put yarn well after; Join the normal temperature watery hydrochloric acid of concentration 0.4N in the acid leach groove; When acid amount and submergence yarn volume, stop to add acid, added and begin to start the acid-proof pump circulation after the acid and stir, after 0.5 hour; Termination of pumping stops to stir, discharging acid then.
(4) acid arrange the back then in the acid leach groove, to add concentration has been the hydrochloric acid solution of 2.6N, after acidleach there is not the yarn volume, does not stop to add acid, adds after the good acid one side and begins to start the acid-proof pump stirring that circulates; On the other hand, open steam valve, heat to acid solution through the direct-fired form of steam; When the acid treatment temperature is heated to 95 ℃, begin to clock, the addition of control steam remains between 95～100 ℃ acid liquor temperature; Continue after 3 hours; Close acid-proof pump, stop to stir, drain acid solution then.
(5) acid has been arranged then and in the acid leach groove, has been added 65 ℃ of hot water of temperature with the form that sprays, and behind hot water submergence yarn volume, stops to add water, and the starting acid-proof pump begins circulation and stirs, and the lasting pump of cutting out after 20 minutes stops to stir, and then water is drained.
(6) water has been arranged then and in the acid leach groove, has been added room temperature water with the form that sprays, and after water logging there was not the yarn volume, the starting acid-proof pump began circulation and stirs, and the lasting pump of cutting out after 20 minutes stops to stir, and then water is drained.
(7) measure the surface of washing the back yarn with the PH test paper, pH value=6, washing is accomplished.
(8) being successively placed in the push pedal of continous mode HEAT SETTING stove through the yarn of acid leach, the technological requirement that pushes away a plate by 8 per minutes is carried out the elevated temperature heat typing and is handled, and according to 680 ℃ of the soak section temperature of pusher furnace, yarn is in the 1.6 hours time of high temperature section.
(9) whole to soak code name be in the surface treatment glue of A1 to the yarn after HEAT SETTING, soaked 2 minutes, hangs up yarn then, until the yarn No drip type, put into baking oven to yarn then, under 130 ℃ temperature, dries.
(10) be wound up into the yarn of oven dry on the Conical tube with a branch silk winding apparatus, obtain 27 volumes, roll up about heavy 800 grams, 21.6 kilograms of specifications are BCT-220 resurrection glass fibre yarn altogether.
(11) the BCT-220 resurrection glass fibre yarn performance indications that obtain:
Line density: average 221.8Tex; Mean square deviation 13.5 coefficient of variation 6.1%
Ultimate strength: average 66.5N; Mean square deviation 5.7 coefficient of variation 8.6%
Combustible content: 2.1%
Higher temperature line shrinks (1000 ℃): 2.4%
Embodiment two:
(1) is that the ternary resurrection glass fibre precursor of BC9-33 moves back and separates with specification, moves back and separate into moving back of BC9-33 * 4Z110 specification and separate yarn, pool capital then, be plied to the resurrection glass fibre raw yarn of BC8-33 * 4 * 2S110.
(2) raw yarn with BC9-33 * 4 * 2S110 is wound on the special ryce with up-coiler, processes former yarn length and be 2400 meters yarn volume.
(3) yarn volume is evenly distributed with the mode of suspension and is placed in the acid leach groove, 40 volumes altogether, put yarn well after; Join the normal temperature watery hydrochloric acid of concentration 0.5N in the acid leach groove, when acid amount and submergence yarn volume, stop to add acid, added and begin to start the acid-proof pump circulation after the acid and stir; After 45 minutes; Termination of pumping stops to stir, discharging acid then.
(4) acid arrange the back then in the acid leach groove, to add concentration has been the hydrochloric acid solution of 2.5N, after acidleach there is not the yarn volume, does not stop to add acid, adds after the good acid one side and begins to start the acid-proof pump stirring that circulates; On the other hand, open steam valve, heat to acid solution through the direct-fired form of steam; When the acid treatment temperature is heated to 95 ℃, begin to clock, the addition of control steam remains between 95～100 ℃ acid liquor temperature; Continue after 2.5 hours; Close acid-proof pump, stop to stir, drain acid solution then.
(5) acid has been arranged then and in the acid leach groove, has been added 60 ℃ of hot water of temperature with the form that sprays, and behind hot water submergence yarn volume, stops to add water, and the starting acid-proof pump begins circulation and stirs, and the lasting pump of cutting out after 25 minutes stops to stir, and then water is drained.
(6) water has been arranged then and in the acid leach groove, has been added room temperature water with the form that sprays, and after water logging there was not the yarn volume, the starting acid-proof pump began circulation and stirs, and the lasting pump of cutting out after 25 minutes stops to stir, and then water is drained;
(7) measure the surface of washing the back yarn with the PH test paper, pH value=6, washing is accomplished.
(8) being successively placed in the push pedal of continous mode HEAT SETTING stove through the yarn of acid leach, the technological requirement that pushes away a plate by 8 per minutes is carried out the elevated temperature heat typing and is handled, and according to 720 ℃ of the soak section temperature of pusher furnace, yarn is in the 1.6 hours time of high temperature section.
(9) the whole immersion of the yarn after HEAT SETTING code name is in the surface treatment glue of A1, soaks 3 minutes, hangs up yarn then, until the yarn No drip type, puts into baking oven to yarn at last, under 140 ℃ temperature, dries.
(10) be wound up into the yarn of oven dry on the Conical tube with a branch silk winding apparatus, obtain 24 volumes, roll up about heavy 800 grams, 19 kilograms of specifications are BCT-220 resurrection glass fibre yarn altogether.
(11) the BCT-220 resurrection glass fibre yarn performance indications that obtain:
Line density: average 215.6Tex; Mean square deviation 15.5 coefficient of variation 7.0%
Ultimate strength: average 54.2N; Mean square deviation 5.1 coefficient of variation 9.4%
Combustible content: 1.9%
Higher temperature line shrinks (1000 ℃): 3.0%.
Claims (2)
1. the production technology of a high-strength resurrection glass fibre yarn may further comprise the steps:
(1) the sodium borosilicate glass fiber precursor is moved back separate, partnership process, preparation becomes the resurrection glass fibre raw yarn;
(2) raw yarn is wound on the ryce with up-coiler, processes the yarn volume;
(3) yarn volume is evenly distributed with the mode of suspension and be placed in the acid leach groove; Then carrying out first step acid leach handles: join the hydrochloric acid of concentration 0.3～0.5N in the acid leach groove, the acid amount is benchmark with submergence yarn volume, and acidleach drop temperature is a normal temperature; The processing procedure acid-proof pump moves continuously; Circulation is stirred, 0.5～1 hour acid leach time, the acid after the back emission treatment of finishing dealing with;
(4) then in the acid leach groove, adding concentration after acid has been arranged is the hydrochloric acid solution of 2.0～3.2N; Addition is a benchmark with submergence yarn volume also; Annotate and heat to acid solution with steam after sour process is accomplished, the acid treatment temperature is controlled between 95～100 ℃, 2～4 hours processing times; Acid-proof pump stirrings that circulate when handling, the back of the finishing dealing with acid solution after processing is drained;
(5) acid arrange then and in the acid leach groove, has been added 50～65 ℃ of hot water of temperature with the form that sprays, and does not have yarn to roll up until water logging, with the acid-proof pump stirring that circulates, cleans 20～30 minutes, then water is drained;
(6) the water form of having arranged then with spray adds normal-temperature water in the acid leach groove, does not have the yarn volume until water logging, with the acid-proof pump stirring that circulates, cleans 20～30 minutes, then water is drained;
(7) measure the yarn surface with the PH test paper and contain acid condition, when pH value less than 5 the time, repeat (6) step, when pH value greater than 5 the time, washing is accomplished;
(8) then in continous mode HEAT SETTING stove, carry out the elevated temperature heat typing and handle 650～750 ℃ of temperature, 1～2 hour processing time;
(9) the yarn integral body after the HEAT SETTING is immersed in the glue, soaks 1～5 minute, hangs up yarn then, until the yarn No drip type, puts into baking oven to yarn at last, under 100～150 ℃ temperature, dries;
(10) be wound up into the yarn of oven dry on the Conical tube with a branch silk winding apparatus, promptly process the resurrection glass fibre yarn.
2. the production technology of a kind of high-strength resurrection glass fibre yarn as claimed in claim 1 is characterized in that: borosilicate glass fiber precursor specification is that specification is BC8-24～BC9-33 in the said step (1).
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103073198A (en) * | 2012-12-28 | 2013-05-01 | 四川威玻股份有限公司 | Method for treating high silica glass fibers with polyether polyol as reinforcing agent |
| CN103290672A (en) * | 2013-06-04 | 2013-09-11 | 中国计量学院 | Preprocessing method for glass fiber cloth |
| CN104250898A (en) * | 2013-06-28 | 2014-12-31 | 江苏恒州特种玻璃纤维材料有限公司 | Equipment for continuous acid leaching treatment of high silica glass fiber cloth |
| CN105133233A (en) * | 2015-09-25 | 2015-12-09 | 江苏九鼎新材料股份有限公司 | Process for aftertreatment of whole roll of glass fiber grey cloth |
| CN105297313A (en) * | 2015-12-08 | 2016-02-03 | 常熟市耀星玻纤绝缘制品有限公司 | Acid leaching technology of high-silica glass fiber yarn |
| CN107354548A (en) * | 2017-07-15 | 2017-11-17 | 合肥皖水信息科技有限公司 | A kind of preparation method of high-strength high silica glass fiber yarns for fire smothering blanket |
| CN108793776A (en) * | 2018-05-29 | 2018-11-13 | 南京晓庄学院 | A kind of method and device of cellucotton acid leach processing |
| CN113123035A (en) * | 2021-03-10 | 2021-07-16 | 王利平 | High silica glass fiber yarn preparation facilities excels in |
| CN113564761A (en) * | 2021-06-15 | 2021-10-29 | 陕西华特新材料股份有限公司 | Pot-type treatment method for high silica fiber fixed-length yarn |
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| DE102016100239A1 (en) * | 2016-01-08 | 2017-07-13 | Belchem Fiber Materials Gmbh | High temperature resistant inorganic yarn with increased tensile strength and method of making the same |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103073198A (en) * | 2012-12-28 | 2013-05-01 | 四川威玻股份有限公司 | Method for treating high silica glass fibers with polyether polyol as reinforcing agent |
| CN103073198B (en) * | 2012-12-28 | 2014-12-10 | 四川威玻股份有限公司 | Method for treating high silica glass fibers with polyether polyol as reinforcing agent |
| CN103290672A (en) * | 2013-06-04 | 2013-09-11 | 中国计量学院 | Preprocessing method for glass fiber cloth |
| CN104250898A (en) * | 2013-06-28 | 2014-12-31 | 江苏恒州特种玻璃纤维材料有限公司 | Equipment for continuous acid leaching treatment of high silica glass fiber cloth |
| CN104250898B (en) * | 2013-06-28 | 2016-06-22 | 江苏恒州特种玻璃纤维材料有限公司 | A kind of equipment processed for high silica glass cloth continuous way acid leach |
| CN105133233A (en) * | 2015-09-25 | 2015-12-09 | 江苏九鼎新材料股份有限公司 | Process for aftertreatment of whole roll of glass fiber grey cloth |
| CN105297313A (en) * | 2015-12-08 | 2016-02-03 | 常熟市耀星玻纤绝缘制品有限公司 | Acid leaching technology of high-silica glass fiber yarn |
| CN107354548A (en) * | 2017-07-15 | 2017-11-17 | 合肥皖水信息科技有限公司 | A kind of preparation method of high-strength high silica glass fiber yarns for fire smothering blanket |
| CN108793776A (en) * | 2018-05-29 | 2018-11-13 | 南京晓庄学院 | A kind of method and device of cellucotton acid leach processing |
| CN108793776B (en) * | 2018-05-29 | 2023-11-07 | 南京晓庄学院 | Method and device for acid leaching treatment of fiber cotton |
| CN113123035A (en) * | 2021-03-10 | 2021-07-16 | 王利平 | High silica glass fiber yarn preparation facilities excels in |
| CN113564761A (en) * | 2021-06-15 | 2021-10-29 | 陕西华特新材料股份有限公司 | Pot-type treatment method for high silica fiber fixed-length yarn |
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