CN105113073B - A kind of manufacture method of quartz fibre mixed yarn - Google Patents
A kind of manufacture method of quartz fibre mixed yarn Download PDFInfo
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- CN105113073B CN105113073B CN201510425926.XA CN201510425926A CN105113073B CN 105113073 B CN105113073 B CN 105113073B CN 201510425926 A CN201510425926 A CN 201510425926A CN 105113073 B CN105113073 B CN 105113073B
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Abstract
The present invention relates to a kind of manufacture method of quartz fibre mixed yarn；Category quartz fibre mixed yarn manufactures field.Pbo fiber and quartz fibre precursor are moved back and solve and twist by the present invention by a certain percentage, then the blending single of certain number of share of stock is carried out and twisted with the fingers, so as to be made density for 1.5~2.1g/cm3Quartz fibre mixed yarn.Present invention incorporates the respective advantage of two kinds of high-performance fibers, the features such as not only there is heat-resisting quantity, low-k and dielectric loss, low linear expansion coefficient, while having, intensity is high, modulus is high, the low characteristic of density, it is particularly useful for making the performance structure wave transparent polymer matrix composites high such as heat-resisting, low-density high-strength, high and uses.
Description
Technical field
The present invention relates to a kind of manufacture method of quartz fibre mixed yarn；Category quartz fibre mixed yarn manufactures field.
Background technology
Quartz fibre Main Ingredients and Appearance is silica, and its content is typically not less than 99.9%, and its impurity content is very low, special
It is not alkali metal（Li, Na, K etc.）Content is can be controlled within 10ppm, therefore, with excellent heat-resisting quantity, low-k
The features such as with dielectric loss, low linear expansion coefficient, space flight and aviation, defence and military field be used as insulation, resistance to ablation, thoroughly
The functional materials such as ripple.Pbo fiber is polyparaphenylene's Benzo-dioxazole fiber, be the eighties in 20th century U.S. be Developing Space aviation
Cause and the novel super fiber developed, with high intensity, high-modulus, it is high heat-resisting the features such as, do not burnt in flame, do not received
Contracting, its heat resistance and flame retardancy are higher than other any organic fibers, can be used as space flight and aviation, defence and military field high-performance
Composite.Right both fibers have it not enough, and quartz fibre is still mainly used as functional material at present, and its density is compared to height
Performance organic fiber is still higher, is 2.2g/cm3, intensity and elongation at break be relatively low, and modulus is only 78GPa, and
Pbo fiber density is 1.45/cm3, intensity is up to 5.8GPa, and modulus is up to 180GPa, but heat resistance is significantly lower than quartz fibre,
Linear expansion coefficient is also big.Therefore further to reduce composite weight, the combination property of composite is improved again, be based on
This, it is necessary to both high-performance special fibers are carried out into blending, and be modified by pbo fiber surface, blended weave
Design and optimize, make that blended weave is smooth, blending uniform, and improve fiber with resin wellability and realize composite synthesis
The lifting of performance.
The content of the invention
It is an object of the invention to：One kind is provided and combines quartz fibre and the respective excellent specific property of pbo fiber, not only have
The features such as having heat-resisting quantity, low-k and dielectric loss, low linear expansion coefficient, while having, intensity is high, modulus is high, close
Low characteristic is spent, the quartz fibre for preparing the performance structure wave transparent polymer matrix composites high such as heat-resisting, low-density high-strength, high
The manufacture method of mixed yarn.
The technical scheme is that：
A kind of manufacture method of quartz fibre mixed yarn, it is characterised in that：It is comprised the following steps：
1), by the fine quartz glass bar of 1.5-3.5mm of diameter using fiery flame melt method, in 1800-2000 DEG C of hot conditions
Under, a diameter of 5.5~13 microns are drawn into the draw rate of 20-50m/s, line density is 2.5~12.5tex；Quartzy glass
Glass filament, in pulling process while draw, while useSizeQuartz glass fibre silk is surface-treated；
2) the quartz glass fibre silk after, being surface-treated by inorganic agent is dried under 60~95 DEG C of temperature conditionss
Obtain quartz fibre precursor；
3) it is, 40~280tex by linear density range, single fiber diameter is 7.5~20 microns, and density is 1.45g/cm3's
Pbo fiber carries out surface through γ-glycidol ether propyl silane coupling agentInfiltrationTreatment, to reduce pbo fiber surface inertness, so
Dried under 70~105 DEG C of temperature conditionss afterwards；
4), the pbo fiber after drying and quartz fibre precursor are obtained in the number of share of stock ratio of 1-2 ︰ 1-9 through moving back solution, twisting
Blending single；
5), by 2-4 strands of blending single is under conditions of the twist is 50T/m and twists with the fingers, obtain linear density range for 180~
The quartz fibre mixed yarn of 250tex, quartz fibre mixed yarn is cut into the pipe nipple of 30mm through cutting machine, is obtained bulk density and is
1.5~2.1g/cm3Quartz fibre mixed yarn finished product.
Described size is pressed by γ aminopropyltriethoxy silane coupling agent, water-soluble epoxy resin and lubricant
1：6：3 ratio is mixed to prepare.
Described lubricant is any one in polyoxyethylene amine salt, imidazoline, acid amides salt.
The present invention quartz glass fibre silk production process in, employ while draw, while useSizeTo quartzy glass
The technique that glass filament is surface-treated；Its purpose：One is the production technology for meeting quartz fibre, and such as wire drawing and twisting is given birth to
The smoothness of product, the filoplume for reducing product appearance；Two is the matching with resin, improves interface performance.It is found through experiments that, structure
γ aminopropyltriethoxy silane coupling agent, water-soluble epoxy resin and lubricant into size, it matches different being produced
Raw test result, wherein：γ aminopropyltriethoxy silane coupling agent, water-soluble epoxy resin and lubricant are 1：6：3
Ratio range outer best results, test result is shown in Table 1；
Subordinate list 1
Present invention advantage compared with prior art is：
（1）With reference to the respective advantage of two kinds of high-performance fibers, not only with heat-resisting quantity, low-k and dielectric loss,
The features such as low linear expansion coefficient, while having, intensity is high, modulus is high, the low characteristic of density, it is adaptable to prepare high-strength, high resistance to
The performance structure wave transparent polymer matrix composites high such as heat, low-density are used.
（2）Good manufacturability.Quartz fibre carries out the process is simple of blending, strong operability with PBO organic fibers, and can realize
Continuous batch is produced.
（3）Blending is evenly.If two kinds of single fibers are simply mixed, because two kinds of fibers have certain twist in itself,
Compound tense resin content is difficult to control, and uniformity is poor.The present invention mixes in first twist and twisting, and every kind of mixed proportion is identical,
The resin content of the composite of preparation is easy to control, evenly.
Specific embodiment：
Embodiment 1：
The fine quartz glass bar of 1.5-3.5mm of diameter is used into flame melt method, under 1800-2000 DEG C of hot conditions, with
The draw rate of 20-50m/s is drawn into a diameter of 7.5 microns, and line density is the quartz glass fibre silk of 4tex, is being drawn
In journey while draw, while use by γ aminopropyltriethoxy silane coupling agent, water-soluble epoxy resin and lubricant by 1：6：
The size that 3 ratio is mixed to prepare is surface-treated to quartz glass fibre silk, is then dried under 65 DEG C of temperature conditionss
Obtain quartz fibre precursor.
It is 40~280tex by linear density range, single fiber diameter is 7.5~20 microns, and density is 1.45g/cm3PBO
Fiber carries out surface through γ-glycidol ether propyl silane coupling agentInfiltrationTreatment, to reduce pbo fiber surface inertness, then
Dried under 75 DEG C of temperature conditionss.2 strands of pbo fibers and 2 strands of quartz fibre precursor after by drying are obtained blending through moving back solution, twisting
Single.By 3 strands of blending singles are under conditions of the twist is 50T/m and twist with the fingers, linear density range is obtained for the quartz of 220tex is fine
Dimension mixed yarn, quartz fibre mixed yarn is cut into the pipe nipple of 30mm through cutting machine, obtains bulk density for 1.52g/cm3Quartz
Fiber blend yarn finished product.After testing, bulk density is 1.52g/cm3Quartz fibre mixed yarn finished product tension failure it is strong
The N/tex of power 0.85.
Embodiment 2：
The fine quartz glass bar of 1.5-3.5mm of diameter is used into flame melt method, under 1800-2000 DEG C of hot conditions, with
The draw rate of 20-50m/s is drawn into a diameter of 8.5 microns, and line density is the quartz glass fibre silk of 6.7tex, is being drawn
During while draw, while use by γ aminopropyltriethoxy silane coupling agent, water-soluble epoxy resin and lubricant by 1：
6：The size that 3 ratio is mixed to prepare is surface-treated to quartz glass fibre silk, is then dried under 75 DEG C of temperature conditionss
Do to obtain quartz fibre precursor.
It is 40~280tex by linear density range, single fiber diameter is 7.5~20 microns, and density is 1.45g/cm3PBO
Fiber carries out surface through γ-glycidol ether propyl silane coupling agentInfiltrationTreatment, to reduce pbo fiber surface inertness, then
Dried under 85 DEG C of temperature conditionss.2 strands of pbo fibers and 4 strands of quartz fibre precursor after by drying are obtained blending through moving back solution, twisting
Single.By 3 strands of blending singles are under conditions of the twist is 50T/m and twist with the fingers, linear density range is obtained for the quartz of 240tex is fine
Dimension mixed yarn, quartz fibre mixed yarn is cut into the pipe nipple of 30mm through cutting machine, obtains bulk density for 1.65g/cm3Quartz
Fiber blend yarn finished product.After testing, bulk density is 1.65g/cm3Quartz fibre mixed yarn finished product tension failure it is strong
The N/tex of power 0.82.
Embodiment 3：
The fine quartz glass bar of 1.5-3.5mm of diameter is used into flame melt method, under 1800-2000 DEG C of hot conditions, with
The draw rate of 20-50m/s is drawn into a diameter of 8.5 microns, and line density is the quartz glass fibre silk of 6.7tex, is being drawn
During while draw, while use by γ aminopropyltriethoxy silane coupling agent, water-soluble epoxy resin and lubricant by 1：
6：The size that 3 ratio is mixed to prepare is surface-treated to quartz glass fibre silk, is then dried under 85 DEG C of temperature conditionss
Do to obtain quartz fibre precursor.
It is 40~280tex by linear density range, single fiber diameter is 7.5~20 microns, and density is 1.45g/cm3PBO
Fiber carries out surface through γ-glycidol ether propyl silane coupling agentInfiltrationTreatment, to reduce pbo fiber surface inertness, then
Dried under 95 DEG C of temperature conditionss.1 strand of pbo fiber and 5 strands of quartz fibre precursor after by drying are obtained blending through moving back solution, twisting
Single.By 4 strands of blending singles are under conditions of the twist is 50T/m and twist with the fingers, linear density range is obtained for the quartz of 250tex is fine
Dimension mixed yarn, quartz fibre mixed yarn is cut into the pipe nipple of 30mm through cutting machine, obtains bulk density for 1.74g/cm3Quartz
Fiber blend yarn finished product.After testing, bulk density is 1.74g/cm3Quartz fibre mixed yarn finished product tension failure it is strong
The N/tex of power 0.80.
Embodiment 4：
The fine quartz glass bar of 1.5-3.5mm of diameter is used into flame melt method, under 1800-2000 DEG C of hot conditions, with
The draw rate of 20-50m/s is drawn into a diameter of 10.5 microns, and line density is the quartz glass fibre silk of 9.3tex, is being drawn
During while draw, while use by γ aminopropyltriethoxy silane coupling agent, water-soluble epoxy resin and lubricant by 1：
6：The size that 3 ratio is mixed to prepare is surface-treated to quartz glass fibre silk, is then dried under 90 DEG C of temperature conditionss
Do to obtain quartz fibre precursor.
It is 40~280tex by linear density range, single fiber diameter is 7.5~20 microns, and density is 1.45g/cm3PBO
Fiber carries out surface through γ-glycidol ether propyl silane coupling agentInfiltrationTreatment, to reduce pbo fiber surface inertness, then
Dried under 100 DEG C of temperature conditionss.1 strand of pbo fiber and 7 strands of quartz fibre precursor after by drying is through moving back solution, twisting to be obtained and mix
Spin single.By 3 strands of blending singles are under conditions of the twist is 50T/m and twist with the fingers, the quartz that linear density range is 230tex is obtained
Fiber blend yarn, quartz fibre mixed yarn is cut into the pipe nipple of 30mm through cutting machine, obtains bulk density for 1.82g/cm3Stone
English fiber blend yarn finished product.After testing, bulk density is 1.82g/cm3Quartz fibre mixed yarn finished product tension failure
Strongly 0.77 N/tex.
Embodiment 5：
The fine quartz glass bar of 1.5-3.5mm of diameter is used into flame melt method, under 1800-2000 DEG C of hot conditions, with
The draw rate of 20-50m/s is drawn into a diameter of 12.5 microns, and line density is the quartz glass fibre silk of 12tex, is being drawn
During while draw, while use by γ aminopropyltriethoxy silane coupling agent, water-soluble epoxy resin and lubricant by 1：
6：The size that 3 ratio is mixed to prepare is surface-treated to quartz glass fibre silk, is then dried under 95 DEG C of temperature conditionss
Do to obtain quartz fibre precursor.
It is 40~280tex by linear density range, single fiber diameter is 7.5~20 microns, and density is 1.45g/cm3PBO
Fiber carries out surface through γ-glycidol ether propyl silane coupling agentInfiltrationTreatment, to reduce pbo fiber surface inertness, then
Dried under 105 DEG C of temperature conditionss.1 strand of pbo fiber and 9 strands of quartz fibre precursor after by drying is through moving back solution, twisting to be obtained and mix
Spin single.By 2 strands of blending singles are under conditions of the twist is 50T/m and twist with the fingers, the quartz that linear density range is 180tex is obtained
Fiber blend yarn, quartz fibre mixed yarn is cut into the pipe nipple of 30mm through cutting machine, obtains bulk density for 1.89g/cm3Stone
English fiber blend yarn finished product.After testing, bulk density is 1.89g/cm3Quartz fibre mixed yarn finished product tension failure
Strongly 0.75 N/tex.
Claims (3)
1. a kind of manufacture method of quartz fibre mixed yarn, it is characterised in that：It is comprised the following steps：
1), by the fine quartz glass bar of 1.5-3.5mm of diameter using fiery flame melt method, under 1800-2000 DEG C of hot conditions, with
The draw rate of 20-50m/s is drawn into a diameter of 5.5~13 microns, and line density is the quartz glass fibre of 2.5~12.5tex
Silk, in pulling process while draw, while using size to quartz glass fibre silk be surface-treated；
2) the quartz glass fibre silk after, being surface-treated by inorganic agent dries to obtain stone under 60~95 DEG C of temperature conditionss
English fiber precursor；
3) it is, 40~280tex by linear density range, single fiber diameter is 7.5~20 microns, and density is 1.45g/cm3PBO it is fine
Dimension carries out surface through γ-glycidol ether propyl silane coupling agentInfiltrationTreatment, to reduce pbo fiber surface inertness, Ran Hou
Dried under 70~105 DEG C of temperature conditionss；
4) pbo fiber after drying and quartz fibre precursor, are obtained blending in the number of share of stock ratio of 1-2 ︰ 1-9 through moving back solution, twisting
Single；
5), by 2-4 strands of blending single is under conditions of the twist is 50T/m and twists with the fingers, linear density range is obtained for 180~250tex
Quartz fibre mixed yarn, quartz fibre mixed yarn is cut into the pipe nipple of 30mm through cutting machine, obtain bulk density for 1.5~
2.1g/cm3Quartz fibre mixed yarn finished product.
2. the manufacture method of a kind of quartz fibre mixed yarn according to claim 1, it is characterised in that：Described size
1 is pressed by γ aminopropyltriethoxy silane coupling agent, water-soluble epoxy resin and lubricant：6：3 ratio is mixed to prepare.
3. the manufacture method of a kind of quartz fibre mixed yarn according to claim 2, it is characterised in that：Described lubricant
It is 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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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. |