CN101654833B - High silica glass fiber staple-yarn and fabricating technique thereof - Google Patents
High silica glass fiber staple-yarn and fabricating technique thereof Download PDFInfo
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- CN101654833B CN101654833B CN2009100321942A CN200910032194A CN101654833B CN 101654833 B CN101654833 B CN 101654833B CN 2009100321942 A CN2009100321942 A CN 2009100321942A CN 200910032194 A CN200910032194 A CN 200910032194A CN 101654833 B CN101654833 B CN 101654833B
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Abstract
The invention discloses a high silica glass fiber staple-yarn and a fabricating technique thereof. Original soda borosilicate glass fiber greige yarn is used as raw material, and is fabricated into finished product high silica glass fiber staple-yarn by technologies of greige yarn contexture, acid leaching, water rinsing, heat treatment, tarn cutting and the like. The high silica glass fiber staple-yarn fabricated by the above technologies can be widely applied in weaving and winding and forming large temperature durable parts, producing ablation durable working pieces in composition with phenolic resin, and be applied in war industry fields such as aerospace, weaponry and the like. In civil markets, the high silica glass fiber staple-yarn can be used for fabricating heat-resisting parts of complex profile structure. As the invention adopts technical means such as casting forming and the like, the loss on ignition is small, and the invention can be used below 1100 DEG C for a long time.
Description
Technical field
The present invention relates to a kind of high temperature resistant staple-yarn and manufacturing technique thereof, be specifically related to a kind of resistant to elevated temperatures high silica glass fiber staple-yarn and manufacturing technique thereof, belong to extraordinary field of new.
Technical background
Resurrection glass fibre is a kind of special fibre, because it has high temperature resistant, ablation resistance, corrosion resistance in neutral and acid medium has advantages such as stable thermal performance and dielectric properties under higher temperature, be of wide application.High silica glass fiber staple-yarn has wide applications as a kind of important resurrection glass fibre goods in military industry.In the civilian goods material, the complicated heat-resistant part of injection, casting, thermosetting, extrusion modling also needs high silica staple-yarn or short yarn cutting in a large number, and application market has a extensive future.
Summary of the invention
The present invention is achieved through the following technical solutions:
A kind of high silica glass fiber staple-yarn and manufacturing technique thereof comprise following processing step:
(1). original sodium borosilicate glass fibre raw yarn is prepared into the yarn tube by twisting, partnership process, and the coiling equipment with special turns to yarn beam.
(2). yarn evenly is emitted on the special creel, with hang yarn is placed in the acid leach groove, selecting concentration is the hydrochloric acid injection acid leach groove of 1.5～3.0mol/L, heat to acid solution with steam, control temperature and handled 1.5～3 hours down, use acid-proof pump that acid solution is circulated to stir simultaneously and strengthen ionic reaction drop worry effect at 85 ℃～95 ℃.
(3). inject warm water after acid treatment is finished and carry out the processing of yarn bundle laminar surface spray, wash surperficial spent acid, be immersed in then in the clear water, under 40 ℃～60 ℃ temperature, wash.Use the surface of PH test paper test cloth to contain acid condition simultaneously, when pH value washing greater than 5 time is finished.
(4). then carry out HEAT SETTING and handle in continuous heat-treating drier, temperature is 600 ℃～750 ℃, and the processing time is 30 minutes～1.5 hours.
(5). at last yarn is cut into certain-length (length is decided according to customer demand), promptly obtains the finished product high silica glass fiber staple-yarn.
The invention has the beneficial effects as follows:
High silica glass fiber staple-yarn through above-mentioned prepared can be widely used in braiding, Wrapping formed heatproof large component, with the compound preparation of the phenolic resins workpiece of anti-the ablation, is widely used in military industry fields such as space flight, weapons.In the commercial market, be used to make the heat-resistant part of contour structures complexity, adopt process meanses such as moulding by casting, loss on ignition is little, can be long-term used under 1100 ℃ of temperature.
Description of drawings
Accompanying drawing is a process chart of the present invention.
The specific embodiment
Embodiment one:
(1). original sodium borosilicate glass fibre raw yarn is prepared into the yarn tube by twisting, partnership process, and the coiling equipment with special turns to yarn beam.
(2). yarn evenly is emitted on the special creel, with hang yarn is placed in the acid leach groove, selecting concentration is the hydrochloric acid injection acid leach groove of 1.5mol/L, heat to acid solution with steam, control temperature and handled 3 hours down, use acid-proof pump that acid solution is circulated to stir simultaneously and strengthen ionic reaction drop worry effect at 85 ℃.
(3). inject warm water after acid treatment is finished and carry out the processing of yarn bundle laminar surface spray, wash surperficial spent acid, be immersed in then in the clear water, under 60 ℃ of temperature, wash.Use the surface of PH test paper test cloth to contain acid condition simultaneously, when pH value washing greater than 5 time is finished.
(4). then carry out HEAT SETTING and handle in continuous heat-treating drier, temperature is 600 ℃, and the processing time is 1.5 hours.
(5). at last yarn is cut into certain-length (length is decided according to customer demand), promptly obtains the finished product high silica glass fiber staple-yarn.
Embodiment two:
(1). original sodium borosilicate glass fibre raw yarn is prepared into the yarn tube by twisting, partnership process, and the coiling equipment with special turns to yarn beam.
(2). yarn evenly is emitted on the special creel, with hang yarn is placed in the acid leach groove, selecting concentration is the hydrochloric acid injection acid leach groove of 3.0mol/L, heat to acid solution with steam, control temperature and handled 1.5 hours down, use acid-proof pump that acid solution is circulated to stir simultaneously and strengthen ionic reaction drop worry effect at 90 ℃.
(3). inject warm water after acid treatment is finished and carry out the processing of yarn bundle laminar surface spray, wash surperficial spent acid, be immersed in then in the clear water, under 50 ℃ of temperature, wash.Use the surface of PH test paper test cloth to contain acid condition simultaneously, when pH value washing greater than 5 time is finished.
(4). then carry out HEAT SETTING and handle in continuous heat-treating drier, temperature is 700 ℃, and the processing time is 40 minutes.
(5). at last yarn is cut into certain-length (length is decided according to customer demand), promptly obtains the finished product high silica glass fiber staple-yarn.
Through the high silica glass fiber staple-yarn that above technology obtains, principal component is a silica, and content is greater than 96%, the strength property good uniformity, hot vector is little, the resistance to elevated temperatures excellence, can be long-term used under 1100 ℃ of temperature, with the parts ablation resistance excellence of the compound preparation of phenolic resins.
Claims (3)
1. the manufacturing technique of a high silica glass fiber staple-yarn, with original sodium borosilicate glass fibre raw yarn is raw material, its technology comprises that former weaving yarns, acid leach, water cleaning, heat treatment, yarn block, it is characterized in that: described former weaving yarns step is for being prepared into the yarn tube with original sodium borosilicate glass fibre raw yarn by twisting, partnership process, coiling equipment with special turns to yarn beam; Described acid leach step is for evenly to be emitted on yarn on the special creel, with hang yarn is placed in the acid leach groove, selecting concentration is the hydrochloric acid injection acid leach groove of 1.5～3.0mol/L, heat to acid solution with steam, the control temperature was handled 1.5～3 hours down at 85 ℃～95 ℃, used acid-proof pump that acid solution is circulated to stir simultaneously and strengthened ionic reaction leaching effect; Described water cleaning step carries out the processing of yarn bundle laminar surface spray for inject warm water after acid treatment is finished, wash surperficial spent acid, be immersed in then in the clear water, under 40 ℃～60 ℃ temperature, wash, use the surface of PH test paper test cloth to contain acid condition simultaneously, when pH value washing greater than 5 time is finished.
2. the manufacturing technique of a kind of high silica glass fiber staple-yarn as claimed in claim 1 is characterized in that carrying out HEAT SETTING and handles in continuous heat-treating drier, and temperature is 600 ℃～750 ℃, and the processing time is 30 minutes～1.5 hours.
3. the manufacturing technique of a kind of high silica glass fiber staple-yarn as claimed in claim 1 is characterized in that after the heat treatment that in accordance with regulations length carries out high silica glass fiber staple-yarn and block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100321942A CN101654833B (en) | 2009-07-10 | 2009-07-10 | High silica glass fiber staple-yarn and fabricating technique thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100321942A CN101654833B (en) | 2009-07-10 | 2009-07-10 | High silica glass fiber staple-yarn and fabricating technique thereof |
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| Publication Number | Publication Date |
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| CN101654833A CN101654833A (en) | 2010-02-24 |
| CN101654833B true CN101654833B (en) | 2010-12-29 |
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| CN2009100321942A Active CN101654833B (en) | 2009-07-10 | 2009-07-10 | High silica glass fiber staple-yarn and fabricating technique thereof |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102277657B (en) * | 2011-06-24 | 2013-05-08 | 大连宏燠科技有限公司 | Nanopore silicon fiber and preparation process thereof |
| CN102320737B (en) * | 2011-07-15 | 2013-04-24 | 江苏恒州特种玻璃纤维材料有限公司 | Push type sintering process of high silica glass fiber yarns |
| CN102864542A (en) * | 2012-09-09 | 2013-01-09 | 安徽省旌德县南关玻纤厂 | Process for manufacturing multielement composition high silica glass fibre fixed-length yarn |
| CN102839476B (en) * | 2012-09-25 | 2014-12-03 | 江苏恒州特种玻璃纤维材料有限公司 | Production process of high-strength high-silicon dioxide glass fiber yarns |
| 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 |
| CN104165860A (en) * | 2014-08-17 | 2014-11-26 | 江苏恒州特种玻璃纤维材料有限公司 | Online detection process for components of high-silica glass fiber mesh |
| CN104328579A (en) * | 2014-08-27 | 2015-02-04 | 安徽丹凤电子材料股份有限公司 | Preparation process of glass fiber cloth |
| CN104803611A (en) * | 2015-03-29 | 2015-07-29 | 安徽丹凤集团桐城玻璃纤维有限公司 | Preparation technology of alkali-free glass fiber |
| 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 |
| 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 |
| CN113564761B (en) * | 2021-06-15 | 2023-01-17 | 陕西华特新材料股份有限公司 | Pot-type treatment method for high silica fiber fixed-length yarn |
| CN116103944A (en) * | 2022-05-24 | 2023-05-12 | 陕西华特新材料股份有限公司 | Manufacturing method of alkali-free glass fiber rope resistant to high temperature of more than 500 DEG C |
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