CN102634906B - High-intensity high-impact-resistant glass fiber cloth and preparation method thereof - Google Patents
High-intensity high-impact-resistant glass fiber cloth and preparation method thereof Download PDFInfo
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- CN102634906B CN102634906B CN201210135694.0A CN201210135694A CN102634906B CN 102634906 B CN102634906 B CN 102634906B CN 201210135694 A CN201210135694 A CN 201210135694A CN 102634906 B CN102634906 B CN 102634906B
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Abstract
The invention discloses a high-intensity high-impact-resistant glass fiber cloth and a preparation method of the high-intensity high-impact-resistant glass fiber cloth. The high-intensity high-impact-resistant glass fiber cloth is formed by mutual weaving of warps and wefts. The warps and the wefts are glass fibers coated with an impregnating compound on the surfaces; the impregnating compound is formed by mixing a coupling agent, a lubricant, an epoxy film-forming agent, a polyester film-forming agent, a polyurethane film-forming agent and water in a ratio of 0.4:0.4:4.5:1.8:0.4:92.5 based on weight; the solid content of the impregnating compound is 5.0-7.0%; the moisture content of the glass fiber cloth is less than or equal to 0.20%; the content of a combustible matter is 0.6-1.0%; the warp tensile strength of the glass fiber cloth is 1600N/25mm-3000N/25mm; and the weft tensile strength of the glass fiber cloth is 1500N/25mm-1800N/25mm. According to the high-intensity high-impact-resistant glass fiber cloth, the glass fiber cloth is high in strength and impact resistance, and can be combined with various resin systems.
Description
Technical field
The present invention relates to a kind of glass fabric and preparation method thereof, be specifically related to a kind of high-strength high-impact glass fabric and preparation method thereof.
Background technology
Glass fabric is current modal a kind of reinforcing material, but glass fibre when with resin-bonded, owing to there being mechanics plane of weakness between glass fibre and resin, therefore easily layering.And glass fibre can be subject to the effect of inherent strain in forming process, and in process, can be subject to the effect of external mechanical force, therefore the defect such as a little less than some high-strength high-impact fields will exist intensity difference, impact resistance.
Therefore, at present at high-strength high-impact field (as the helmet, bumper, yacht, fishing boat and sports equipment etc.), often select that intensity is high, the carbon fiber of good impact resistance, but the price of carbon fiber is very expensive.
Summary of the invention
One of object of the present invention is to address the above problem, provide a kind of not only can with resin well in conjunction with, but also go for the high-strength high-impact glass fabric in high-strength high-impact field.
Another object of the present invention is to provide the preparation method of above-mentioned high-strength high-impact glass fabric.
The technical scheme that realizes one of the object of the invention is: a kind of high-strength high-impact glass fabric, it is to be interweaved and to be formed by warp thread and weft yarn, described warp thread and weft yarn are all glass fibres that surface is coated with sizing agent, described sizing agent by coupling agent, lubricant, epoxy film forming agent, polyester film forming agent, polyurethane finishing agent and water according to 0.4: 0.4: 4.5: the weight ratio of 1.8: 0.4: 92.5 mixes, and the solids content in sizing agent is 5.0%～7.0%; Moisture content≤0.20% of glass fabric, combustible content is 0.6%～1.0%; The warp-wise intensity of glass fabric is 1600N/25mm～3000N/25mm, and latitudinal strength is 1500N/25mm～1800N/25mm.
The mass area ratio of described glass fabric is 250 ± 20g/m
2, warp-wise intensity is 1600N/25mm～1800N/25mm, latitudinal strength is 1500N/25mm～1600N/25mm.
The mass area ratio of described glass fabric is 300 ± 24g/m
2, warp-wise intensity is 2000N/25mm～2200N/25mm, latitudinal strength is 1700N/25mm～1800N/25mm.
The mass area ratio of described glass fabric is 400 ± 32g/m
2, warp-wise intensity is 2500N/25mm～2700N/25mm, latitudinal strength is 1450N/25mm～1550N/25mm.
The mass area ratio of described glass fabric is 500 ± 40g/m
2, warp-wise intensity is 2800N/25mm～3000N/25mm, latitudinal strength is 1600N/25mm～1700N/25mm.
The technical scheme that realizes another object of the present invention is: a kind of preparation method of high-strength high-impact glass fabric, comprises drawing process, twisting process and weaving process; The temperature of described drawing process is 1250 ± 10 ℃, and drawing process is also included in filament surfaces and applies sizing agent; Described sizing agent by coupling agent, lubricant, epoxy film forming agent, polyester film forming agent, polyurethane finishing agent and water according to 0.4: 0.4: 4.5: the weight ratio of 1.8: 0.4: 92.5 mixes, and the solids content in sizing agent is 5.0%～7.0%.
The twist of described twisting process is 35 ± 3 twists/m, twists with the fingers to twisting with the fingers for Z.
The good effect that the present invention has: (1) high-strength high-impact glass fabric of the present invention can with different resin system combinations, comprise thermosetting resin and thermoplastic resin, and in conjunction with time can layering.(2) high-strength high-impact glass fabric of the present invention has higher intensity and good shock resistance, go for the high-strength high-impact fields such as the helmet, bumper, yacht, fishing boat and sports equipment, than carbon fiber, greatly reduce cost.(3) the present invention is by applying special sizing agent on glass fiber precursor surface, can make glass fibre soak into fast, thereby improved the textile performance of glass fibre, effectively avoided the loss of strength of glass fibre in fabrication processes, improve the binding ability of glass fibre and resin, and then improved the intensity of glass fabric.(4) institutional framework of glass fabric of the present invention is twill or satin weave, can reduce like this flexing degree and the intertwined point of fiber, keep the straight of warp thread and weft yarn, softness is abundant again, be convenient to instantaneous impact stress to be disperseed to all directions when being impacted, improve anti-secondary pulse intensity.(5) the present invention is by the single fiber diameter of the temperature of drawing process and precursor is carried out preferably, thereby can further improve the intensity of glass fibre.
The specific embodiment
(embodiment 1)
The high-strength high-impact glass fabric of the present embodiment is to be interweaved and to be formed by warp thread and weft yarn.
The preparation method of the high-strength high-impact glass fabric of the present embodiment is as follows:
Drawing process: e-glass marble (alkali metal oxide content≤0.8%) is melted at 1250 ± 10 ℃, and the platinum-rhodium alloy bushing that is then 2.0mm by 400 holes, aperture is drawn into precursor.In pulling process, filament surfaces applies one deck sizing agent.This sizing agent by coupling agent, lubricant, epoxy film forming agent, polyester film forming agent, polyurethane finishing agent and water according to 0.4: 0.4: 4.5: the weight ratio of 1.8: 0.4: 92.5 mixes, in sizing agent, solids content is 5.0%～7.0%, and combustible content is 0.6%～1.0%.Described coupling agent adopts is that Nanjing Xiang flies the silane coupler that the trade mark that chemistry institute produces is KH-570, described lubricant adopts is the lubricant that the trade mark that Yixing Jin Ding experimental assembly Co., Ltd produces is 3018, what described epoxy film forming agent adopted is the APR resin that Yixing Jin Ding experimental assembly Co., Ltd produces, described polyester film forming agent adopts is the polyester film forming agent that the trade mark that Yixing Jin Ding experimental assembly Co., Ltd produces is SR-1, described polyurethane finishing agent adopts is the polyurethane finishing agent that the trade mark that Nanjing Glass Fibre Research and Design Institute is produced is NBS-430.
Twisting process: precursor is twisted to resultant yarn on twisting equipment, twist with the fingers to being Z sth. made by twisting, the twist is 35 twists/m.
Weaving process: by the yarn of having twisted according to counting 96tex, single fiber diameter 11.0 μ m through yarn number, being placed on creel through close 13.6/cm, then wear palm fibre, then according to latitude yarn number, count 96tex, single fiber diameter 11.0 μ m, 11.2/cm of filling density, the long 50m/ volume of volume looming weaving again, last drying and shaping 2h at the temperature of 80 ± 5 ℃, obtains the high-strength high-impact glass fabric of moisture content≤0.20%.
The warp-wise intensity of the glass fabric that the present embodiment makes is 1600N/25mm～1800N/25mm, and latitudinal strength is 1500N/25mm～1600N/25mm.
(embodiment 2～embodiment 4)
Each embodiment is substantially the same manner as Example 1, and difference is in Table 1.
Table 1
| ? | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Project | EWR250 | EWR300 | EWR400 | EWR500 |
| Mass area ratio (g/m 2） | 250±20 | 300±24 | 400±32 | 500±40 |
| Warp-wise intensity | 1600N/25mm～1800N/25mm | 2000N/25mm～2200N/25mm | 2500N/25mm～2700N/25mm | 2800N/25mm～3000N/25mm |
| Latitudinal strength | 1500N/25mm～1600N/25mm | 1700N/25mm～1800N/25mm | 1450N/25mm～1550N/25mm | 1600N/25mm～1700N/25mm |
| Wire-drawing temperature | 1250±10℃ | 1250±10℃ | 1250±10℃ | 1250±10℃ |
| Bushing aperture | 2.0mm | 2.0mm | 1.8mm | 1.8mm |
| The twist | 35 twists/m | 35 twists/m | 35 twists/m | 35 twists/m |
| Sth. made by twisting to | Z twists with the fingers | Z twists with the fingers | Z twists with the fingers | Z twists with the fingers |
| Through yarn number number | 96tex | 96tex | 132tex | 175tex |
| Latitude yarn number number | 96tex | 96tex | 132tex | 175tex |
| Single fiber diameter | 11.0μm | 11.0μm | 9.0μm | 9.0μm |
| Through close (root/cm) | 13.6 | 16.0 | 19.2 | 18.2 |
| Filling density (root/cm) | 11.2 | 12.0 | 10.4 | 10.4 |
| Volume is long | 50m/ volume | 50m/ volume | 50m/ volume | 50m/ volume |
| Moisture content | ≤0.20% | ≤0.20% | ≤0.20% | ≤0.20% |
| Combustible content | 0.6%～1.0% | 0.6%～1.0% | 0.6%～1.0% | 0.6%～1.0% |
| Institutional framework | 1/3 twill or 2/5 satin weave | 1/3 twill or 2/5 satin weave | 1/3 twill or 2/5 satin weave | 1/3 twill or 2/5 satin weave |
Claims (7)
1. a high-strength high-impact glass fabric, it is to be interweaved and to be formed by warp thread and weft yarn, described warp thread and weft yarn are all glass fibres that surface is coated with sizing agent, it is characterized in that: described sizing agent by coupling agent, lubricant, epoxy film forming agent, polyester film forming agent, polyurethane finishing agent and water according to 0.4: 0.4: 4.5: the weight ratio of 1.8: 0.4: 92.5 mixes, and the solids content in sizing agent is 5.0%～7.0%; Moisture content≤0.20% of glass fabric, combustible content is 0.6%～1.0%; The warp-wise intensity of glass fabric is 1600N/25mm～3000N/25mm, and latitudinal strength is 1500N/25mm～1800N/25mm.
2. high-strength high-impact glass fabric according to claim 1, is characterized in that: the mass area ratio of described glass fabric is 250 ± 20g/m
2, warp-wise intensity is 1600N/25mm～1800N/25mm, latitudinal strength is 1500N/25mm～1600N/25mm.
3. high-strength high-impact glass fabric according to claim 1, is characterized in that: the mass area ratio of described glass fabric is 300 ± 24g/m
2, warp-wise intensity is 2000N/25mm～2200N/25mm, latitudinal strength is 1700N/25mm～1800N/25mm.
4. high-strength high-impact glass fabric according to claim 1, is characterized in that: the mass area ratio of described glass fabric is 400 ± 32g/m
2, warp-wise intensity is 2500N/25mm～2700N/25mm, latitudinal strength is 1450N/25mm～1550N/25mm.
5. high-strength high-impact glass fabric according to claim 1, is characterized in that: the mass area ratio of described glass fabric is 500 ± 40g/m
2, warp-wise intensity is 2800N/25mm～3000N/25mm, latitudinal strength is 1600N/25mm～1700N/25mm.
6. a preparation method for the high-strength high-impact glass fabric described in one of claim 1 to 5, comprises drawing process, twisting process and weaving process; It is characterized in that: the temperature of described drawing process is 1250 ± 10 ℃, drawing process is also included in filament surfaces and applies sizing agent; Described sizing agent by coupling agent, lubricant, epoxy film forming agent, polyester film forming agent, polyurethane finishing agent and water according to 0.4: 0.4: 4.5: the weight ratio of 1.8: 0.4: 92.5 mixes, and the solids content in sizing agent is 5.0%～7.0%.
7. the preparation method of high-strength high-impact glass fabric according to claim 6, is characterized in that: the twist of described twisting process is 35 ± 3 twists/m, twists with the fingers to twisting with the fingers for Z.
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| CN102926100A (en) * | 2012-11-16 | 2013-02-13 | 江苏九鼎新材料股份有限公司 | Weaving technology of high-strength glass fiber reinforcing cloth |
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| CN104264326B (en) * | 2014-09-10 | 2016-01-06 | 江苏理工学院 | The preparation method of polyurethane glass fiber composite cloth |
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| CN110482868B (en) * | 2019-07-11 | 2022-02-18 | 安徽金九鼎复合材料有限公司 | Manufacturing process of wear-resistant glass fiber cloth |
| CN112046029A (en) * | 2020-07-31 | 2020-12-08 | 北京贝威通石油科技有限公司 | Preparation method of high-strength insulating adhesive tape |
| CN115216973A (en) * | 2021-12-21 | 2022-10-21 | 广东硕成科技股份有限公司 | Difficult-to-bond twill shell fabric and preparation process and application thereof |
| CN114735950A (en) * | 2022-02-25 | 2022-07-12 | 陕西汇友友基新材料有限公司 | Glass fiber impregnating compound special for mica cloth |
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