CN105113073A - Production method for quartz fiber blended yarns - Google Patents
Production method for quartz fiber blended yarns Download PDFInfo
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- CN105113073A CN105113073A CN201510425926.XA CN201510425926A CN105113073A CN 105113073 A CN105113073 A CN 105113073A CN 201510425926 A CN201510425926 A CN 201510425926A CN 105113073 A CN105113073 A CN 105113073A
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Abstract
The invention relates to a production method for quartz fiber blended yarns, which belongs to the field of production and manufacture of the quartz fiber blended yarns. The production method is characterized in that PBO (Poly(P-phenylene Benzobisoxazole)) fiber precursors and quartz fiber precursors are degraded and twisted according to a certain proportion, blended single yarns with certain strand numbers are doubled and twisted, and finally the quartz fiber blended yarns with the density of 1.5-2.1g/cm<3> are produced. The quartz fiber blended yarns disclosed by the invention integrate respective advantages of two kinds of high-performance fibers, have the characteristics of high temperature resistance, low dielectric constant and dielectric loss, low linear expansion coefficient, high strength, high modulus, low density and the like, and are particularly suitable for preparing wave-transmitting resin-based composite materials with high strength, high heat resistance, low density and the like of a high-performance structure.
Description
Technical field
The present invention relates to a kind of manufacture method of quartz fibre blended yarn; Belong to quartz fibre blended yarn and manufacture field.
Background technology
Quartz fibre Main Ingredients and Appearance is silica, its content is generally not less than 99.9%, its impurity content is very low, within particularly alkali metal (Li, Na, K etc.) content can be controlled in 10ppm, therefore, there is excellent heat-resisting quantity, low-k and the feature such as dielectric loss, low linear expansion coefficient, be used as the functional materials such as insulation, resistance to ablation, wave transparent in space flight and aviation, defence and military field.Pbo fiber is polyparaphenylene Ben Bing bis-oxazole fiber, be the eighties in 20th century U.S. be the Novel super fiber that Developing Space aviation industry is developed, there is high strength, high-modulus, the high feature such as heat-resisting, do not burn in flame, do not shrink, its heat resistance and flame retardancy, higher than other any one organic fiber, can be used as space flight and aviation, defence and military field high-performance composite materials.So these two kinds of fibers have it not enough, and quartz fibre is still mainly used as functional material at present, and it is still higher that its density compares high-performance organic fibre, is 2.2g/cm
3, intensity and elongation at break are also relatively low, and modulus is only 78GPa, and pbo fiber density is 1.45/cm
3, intensity is up to 5.8GPa, and modulus is up to 180GPa, but heat resistance is starkly lower than quartz fibre, and linear expansion coefficient is also large.Therefore for reduce composite weight further, improve again the combination property of composite, based on this, these two kinds of high-performance special fibers are necessary to carry out blending, and by designing pbo fiber modifying surface, blended weave and optimize, make that blended weave is smooth and easy, blending is even, and improve fiber and resin wettability, realize the lifting of composite material combination property.
Summary of the invention
The object of the invention is to: provide a kind of and combine quartz fibre and pbo fiber excellent specific property separately, not only there is heat-resisting quantity, low-k and the feature such as dielectric loss, low linear expansion coefficient, there is the characteristics such as intensity is high, modulus is high, density is low simultaneously, for the preparation of the manufacture method of the quartz fibre blended yarn of high-strength, high heat-resisting, low-density contour performance structure wave transparent polymer matrix composites.
Technical scheme of the present invention is:
A manufacture method for quartz fibre blended yarn, is characterized in that: it comprises the following steps:
1), by the fine quartz glass bar of diameter 1.5-3.5mm adopt fiery flame melt method, under 1800-2000 DEG C of hot conditions, being drawn into diameter with the draw rate of 20-50m/s is 5.5 ~ 13 microns, and line density is 2.5 ~ 12.5tex; Quartz glass fibre silk, in pulling process limit draw, limit adopt
sizing agentsurface treatment is carried out to quartz glass fibre silk;
2), the quartz glass fibre silk after carrying out surface treatment by finishing agent is dried to obtain quartz fibre precursor under 60 ~ 95 DEG C of temperature conditions;
3) be, by linear density range 40 ~ 280tex, single fiber diameter is 7.5 ~ 20 microns, and density is 1.45g/cm
3pbo fiber carry out surface through γ-glycidol ether propyl silane coupling agent
infiltrateprocess, to reduce pbo fiber surface inertness, then dries under 70 ~ 105 DEG C of temperature conditions;
4), by dry after pbo fiber and quartz fibre precursor in 1-2 ︰ 1-9 number of share of stock ratio through move back solutions, twisting obtain blending single;
5), by the blending single of 2-4 stock in the twist be 50T/m condition under and twist with the fingers, obtain the quartz fibre blended yarn that linear density range is 180 ~ 250tex, quartz fibre blended yarn is cut into the pipe nipple of 30mm through cutting machine, obtaining bulk density is 1.5 ~ 2.1g/cm
3quartz fibre blended yarn finished product.
Described sizing agent mixes obtained by γ aminopropyltriethoxy silane coupling agent, water-soluble epoxy resin and lubricant in the ratio of 1:6:3.
Described lubricant is any one in polyoxyethylene amine salt, imidazoline, acid amides salt.
The present invention, in the production process of quartz glass fibre silk, have employed limit drawing, limit employing
sizing agentsurface-treated technique is carried out to quartz glass fibre silk; Its object: one is the production technology meeting quartz fibre, as wire drawing and the smoothness of twisting production, the filoplume of minimizing product appearance; Two is the matchings with resin, improves interface performance.Found through experiments, form the γ aminopropyltriethoxy silane coupling agent of sizing agent, water-soluble epoxy resin and lubricant, the test result that its proportioning difference produces, wherein: γ aminopropyltriethoxy silane coupling agent, water-soluble epoxy resin and lubricant are in the ratio range outer best results of 1:6:3, and test result is in table 1;
Subordinate list 1
The present invention's advantage is compared with prior art:
(1) in conjunction with two kinds of high-performance fibers advantage separately, not only there is heat-resisting quantity, low-k and the feature such as dielectric loss, low linear expansion coefficient, there is the characteristics such as intensity is high, modulus is high, density is low simultaneously, be applicable to high-strength, high heat-resisting, the low-density contour performance structure wave transparent polymer matrix composites use of preparation.
(2) good manufacturability.Quartz fibre and PBO organic fiber carry out that the technique of blending is simple, strong operability, and can realize continuous batch and produce.
(3) blending evenly.If simply mixed by single two kinds of fibers, because two kinds of fibers itself have certain twist, wayward at compound tense resin content, uniformity is poor.The present invention's mixing when first twist and twisting, often kind of mixed proportion is identical, and the resin content of the composite of preparation is easy to control, evenly.
Detailed description of the invention:
Embodiment 1:
The fine quartz glass bar of diameter 1.5-3.5mm is adopted flame melt method, under 1800-2000 DEG C of hot conditions, being drawn into diameter with the draw rate of 20-50m/s is 7.5 microns, line density is the quartz glass fibre silk of 4tex, the sizing agent that limit draws in pulling process, limit employing is obtained in the ratio mixing of 1:6:3 by γ aminopropyltriethoxy silane coupling agent, water-soluble epoxy resin and lubricant carries out surface treatment to quartz glass fibre silk, then under 65 DEG C of temperature conditions, dries to obtain quartz fibre precursor.
Be 40 ~ 280tex by linear density range, single fiber diameter is 7.5 ~ 20 microns, and density is 1.45g/cm
3pbo fiber carry out surface through γ-glycidol ether propyl silane coupling agent
infiltrateprocess, to reduce pbo fiber surface inertness, then dries under 75 DEG C of temperature conditions.By 2 strands of pbo fibers after drying and 2 strands of quartz fibre precursor through moving back solutions, twisting obtains blending single.Be under the condition of 50T/m in the twist by 3 strands of blending singles and twist with the fingers, obtain the quartz fibre blended yarn that linear density range is 220tex, quartz fibre blended yarn is cut into the pipe nipple of 30mm through cutting machine, obtaining bulk density is 1.52g/cm
3quartz fibre blended yarn finished product.After testing, bulk density is 1.52g/cm
3the powerful 0.85N/tex of tension failure of quartz fibre blended yarn finished product.
Embodiment 2:
The fine quartz glass bar of diameter 1.5-3.5mm is adopted flame melt method, under 1800-2000 DEG C of hot conditions, being drawn into diameter with the draw rate of 20-50m/s is 8.5 microns, line density is the quartz glass fibre silk of 6.7tex, the sizing agent that limit draws in pulling process, limit employing is obtained in the ratio mixing of 1:6:3 by γ aminopropyltriethoxy silane coupling agent, water-soluble epoxy resin and lubricant carries out surface treatment to quartz glass fibre silk, then under 75 DEG C of temperature conditions, dries to obtain quartz fibre precursor.
Be 40 ~ 280tex by linear density range, single fiber diameter is 7.5 ~ 20 microns, and density is 1.45g/cm
3pbo fiber carry out surface through γ-glycidol ether propyl silane coupling agent
infiltrateprocess, to reduce pbo fiber surface inertness, then dries under 85 DEG C of temperature conditions.By 2 strands of pbo fibers after drying and 4 strands of quartz fibre precursor through moving back solutions, twisting obtains blending single.Be under the condition of 50T/m in the twist by 3 strands of blending singles and twist with the fingers, obtain the quartz fibre blended yarn that linear density range is 240tex, quartz fibre blended yarn is cut into the pipe nipple of 30mm through cutting machine, obtaining bulk density is 1.65g/cm
3quartz fibre blended yarn finished product.After testing, bulk density is 1.65g/cm
3the powerful 0.82N/tex of tension failure of quartz fibre blended yarn finished product.
Embodiment 3:
The fine quartz glass bar of diameter 1.5-3.5mm is adopted flame melt method, under 1800-2000 DEG C of hot conditions, being drawn into diameter with the draw rate of 20-50m/s is 8.5 microns, line density is the quartz glass fibre silk of 6.7tex, the sizing agent that limit draws in pulling process, limit employing is obtained in the ratio mixing of 1:6:3 by γ aminopropyltriethoxy silane coupling agent, water-soluble epoxy resin and lubricant carries out surface treatment to quartz glass fibre silk, then under 85 DEG C of temperature conditions, dries to obtain quartz fibre precursor.
Be 40 ~ 280tex by linear density range, single fiber diameter is 7.5 ~ 20 microns, and density is 1.45g/cm
3pbo fiber carry out surface through γ-glycidol ether propyl silane coupling agent
infiltrateprocess, to reduce pbo fiber surface inertness, then dries under 95 DEG C of temperature conditions.By 1 strand of pbo fiber after drying and 5 strands of quartz fibre precursor through moving back solutions, twisting obtains blending single.Be under the condition of 50T/m in the twist by 4 strands of blending singles and twist with the fingers, obtain the quartz fibre blended yarn that linear density range is 250tex, quartz fibre blended yarn is cut into the pipe nipple of 30mm through cutting machine, obtaining bulk density is 1.74g/cm
3quartz fibre blended yarn finished product.After testing, bulk density is 1.74g/cm
3the powerful 0.80N/tex of tension failure of quartz fibre blended yarn finished product.
Embodiment 4:
The fine quartz glass bar of diameter 1.5-3.5mm is adopted flame melt method, under 1800-2000 DEG C of hot conditions, being drawn into diameter with the draw rate of 20-50m/s is 10.5 microns, line density is the quartz glass fibre silk of 9.3tex, the sizing agent that limit draws in pulling process, limit employing is obtained in the ratio mixing of 1:6:3 by γ aminopropyltriethoxy silane coupling agent, water-soluble epoxy resin and lubricant carries out surface treatment to quartz glass fibre silk, then under 90 DEG C of temperature conditions, dries to obtain quartz fibre precursor.
Be 40 ~ 280tex by linear density range, single fiber diameter is 7.5 ~ 20 microns, and density is 1.45g/cm
3pbo fiber carry out surface through γ-glycidol ether propyl silane coupling agent
infiltrateprocess, to reduce pbo fiber surface inertness, then dries under 100 DEG C of temperature conditions.By 1 strand of pbo fiber after drying and 7 strands of quartz fibre precursor through moving back solutions, twisting obtains blending single.Be under the condition of 50T/m in the twist by 3 strands of blending singles and twist with the fingers, obtain the quartz fibre blended yarn that linear density range is 230tex, quartz fibre blended yarn is cut into the pipe nipple of 30mm through cutting machine, obtaining bulk density is 1.82g/cm
3quartz fibre blended yarn finished product.After testing, bulk density is 1.82g/cm
3the powerful 0.77N/tex of tension failure of quartz fibre blended yarn finished product.
Embodiment 5:
The fine quartz glass bar of diameter 1.5-3.5mm is adopted flame melt method, under 1800-2000 DEG C of hot conditions, being drawn into diameter with the draw rate of 20-50m/s is 12.5 microns, line density is the quartz glass fibre silk of 12tex, the sizing agent that limit draws in pulling process, limit employing is obtained in the ratio mixing of 1:6:3 by γ aminopropyltriethoxy silane coupling agent, water-soluble epoxy resin and lubricant carries out surface treatment to quartz glass fibre silk, then under 95 DEG C of temperature conditions, dries to obtain quartz fibre precursor.
Be 40 ~ 280tex by linear density range, single fiber diameter is 7.5 ~ 20 microns, and density is 1.45g/cm
3pbo fiber carry out surface through γ-glycidol ether propyl silane coupling agent
infiltrateprocess, to reduce pbo fiber surface inertness, then dries under 105 DEG C of temperature conditions.By 1 strand of pbo fiber after drying and 9 strands of quartz fibre precursor through moving back solutions, twisting obtains blending single.Be under the condition of 50T/m in the twist by 2 strands of blending singles and twist with the fingers, obtain the quartz fibre blended yarn that linear density range is 180tex, quartz fibre blended yarn is cut into the pipe nipple of 30mm through cutting machine, obtaining bulk density is 1.89g/cm
3quartz fibre blended yarn finished product.After testing, bulk density is 1.89g/cm
3the powerful 0.75N/tex of tension failure of quartz fibre blended yarn finished product.
Claims (3)
1. a manufacture method for quartz fibre blended yarn, is characterized in that: it comprises the following steps:
1), by the fine quartz glass bar of diameter 1.5-3.5mm adopt fiery flame melt method, under 1800-2000 DEG C of hot conditions, being drawn into diameter with the draw rate of 20-50m/s is 5.5 ~ 13 microns, and line density is 2.5 ~ 12.5tex; Quartz glass fibre silk, in pulling process limit draw, limit adopt
sizing agentsurface treatment is carried out to quartz glass fibre silk;
2), the quartz glass fibre silk after carrying out surface treatment by finishing agent is dried to obtain quartz fibre precursor under 60 ~ 95 DEG C of temperature conditions;
3) be, by linear density range 40 ~ 280tex, single fiber diameter is 7.5 ~ 20 microns, and density is 1.45g/cm
3pbo fiber carry out surface through γ-glycidol ether propyl silane coupling agent
infiltrateprocess, to reduce pbo fiber surface inertness, then dries under 70 ~ 105 DEG C of temperature conditions;
4), by dry after pbo fiber and quartz fibre precursor in 1-2 ︰ 1-9 number of share of stock ratio through move back solutions, twisting obtain blending single;
5), by the blending single of 2-4 stock in the twist be 50T/m condition under and twist with the fingers, obtain the quartz fibre blended yarn that linear density range is 180 ~ 250tex, quartz fibre blended yarn is cut into the pipe nipple of 30mm through cutting machine, obtaining bulk density is 1.5 ~ 2.1g/cm
3quartz fibre blended yarn finished product.
2. the manufacture method of a kind of quartz fibre blended yarn according to claim 1, is characterized in that: described sizing agent mixes obtained by γ aminopropyltriethoxy silane coupling agent, water-soluble epoxy resin and lubricant in the ratio of 1:6:3.
3. the manufacture method of a kind of quartz fibre blended yarn according to claim 1, is characterized in that: described lubricant be any one in polyoxyethylene amine salt, imidazoline, acid amides salt.
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| CN201510425926.XA CN105113073B (en) | 2015-07-20 | 2015-07-20 | A kind of manufacture method of quartz fibre mixed yarn |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110512337A (en) * | 2019-07-22 | 2019-11-29 | 浙江石金玄武岩纤维股份有限公司 | Basalt fibre and the blended anti-flaming thermal-insulation fabric of aramid fiber and its manufacturing method |
| CN116606522A (en) * | 2023-07-19 | 2023-08-18 | 北京爱思达航天科技有限公司 | Quartz fiber prepreg and preparation method and application thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110512337A (en) * | 2019-07-22 | 2019-11-29 | 浙江石金玄武岩纤维股份有限公司 | Basalt fibre and the blended anti-flaming thermal-insulation fabric of aramid fiber and its manufacturing method |
| CN110512337B (en) * | 2019-07-22 | 2021-06-15 | 浙江石金玄武岩纤维股份有限公司 | Basalt fiber and aramid fiber blended flame-retardant heat-insulation fabric and manufacturing method thereof |
| CN116606522A (en) * | 2023-07-19 | 2023-08-18 | 北京爱思达航天科技有限公司 | Quartz fiber prepreg and preparation method and application thereof |
| CN116606522B (en) * | 2023-07-19 | 2023-10-03 | 北京爱思达航天科技有限公司 | Quartz fiber prepreg and preparation method and application thereof |
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Effective date of registration: 20180815 Address after: 201801 Jiading District, Shanghai, Ma Lu Town, 509 Road, 1, 1-4, A, 1, 1 floor, underground area, Patentee after: Shanghai Lihua Shi Chuang Technology Co., Ltd. Address before: 434000 68 Dongfang Road, Sha City, Jingzhou, Hubei Patentee before: Hubei Feilihua Quartz Glass Co.,Ltd. |
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