CN103787593A - Preparation method for alkali-resistant fiberglass - Google Patents
Preparation method for alkali-resistant fiberglass Download PDFInfo
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- CN103787593A CN103787593A CN201410011984.3A CN201410011984A CN103787593A CN 103787593 A CN103787593 A CN 103787593A CN 201410011984 A CN201410011984 A CN 201410011984A CN 103787593 A CN103787593 A CN 103787593A
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- Prior art keywords
- preparation
- silane coupling
- zirconia particles
- alkali
- nano zirconia
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/465—Coatings containing composite materials
- C03C25/47—Coatings containing composite materials containing particles, fibres or flakes, e.g. in a continuous phase
Abstract
The invention discloses a preparation method for alkali-resistant fiberglass. The preparation method comprises the following steps: (1) removing an impregnating compound from the surface of E fiberglass in a roasting way; (2) performing surface treatment on the E fiberglass treated in the step (1) by using a silane coupling agent A187; (3) performing surface modification on zirconium oxide nanoparticles by using a silane coupling agent A1100; (4) attaching the zirconium oxide nanoparticles treated in the step (3) to the surface of the E fiberglass treated in the step (2), and performing reaction at 80-130 DEG C for 1-4 hours to obtain the alkali-resistant fiberglass. According to the method, the alkali resistance of the E fiberglass can be improved by chemically modifying the surface of the fiberglass on the basis of preserving the original high physical properties of the E fiberglass.
Description
Technical field
The present invention relates to a kind of preparation method of alkali-resistant glass fiber.
Background technology
Alkali free glass fibre (E glass fibre) is a kind of extraordinary lightweight, high-strength, multi-functional strongthener.The feature of alkali free glass fibre is that its alkaline metal oxide content is less than 1%, its physicals excellence compared with middle alkali or alkali-resistant glass fiber and alkali resistance is poor, has significant limitation in the application in the alkali resistance fields such as building, chemical corrosion, lagging material, high-end wrapping material.In recent years, in the research of alkali-resistant glass fiber, also made a large amount of work both at home and abroad, but their achievement in research is mainly the adjustment based on to metal oxide composition in glass formula, by adjusting ZrO
2and TiO
2content in glass formula reaches the alkali-proof object that improves glass fibre, but this method cost is high, glass formula change simultaneously also can exert an influence and cause the fluctuation of product performance the whole drawing process of glass fibre, and adjusting in content of glass fiber after metal oxide composition, the mechanical property of glass fibre and other physicalies can be greatly affected, so find a kind of preparation method of development of new type alkali-resistant fibre glass fibre, the alkaline resistance properties that improves E glass fibre on the basis of physicals that retains original E glass fibre excellence seems particularly important, but it is not yet seen the report of the summary of the invention to this type of alkali-resistant glass fiber.
Summary of the invention:
The technical problem to be solved in the present invention is to provide a kind of preparation method of alkali-resistant glass fiber, improves the alkaline resistance properties of E glass fibre on the basis of physicals that retains original E glass fibre excellence by fiberglass surfacing is carried out to chemically modified.
The present invention solves the problems of the technologies described above adopted technical scheme:
A preparation method for alkali-resistant glass fiber, comprises the steps:
(1) remove the treating compound of E fiberglass surfacing by roasting;
(2) by silane coupling A 187, step (1) E glass fibre after treatment is carried out to surface treatment;
(3) by silane coupling A 1100, nano zirconia particles is carried out to finishing;
(4) make step (3) nano zirconia particles after treatment be attached to step (2) E fiberglass surfacing after treatment, and in 80～130 ℃ of reactions 1～4 hour, obtain alkali-resistant glass fiber.
In described step (1), maturing temperature is at 400-550 ℃, and roasting time is at 3-5 hour.
In described step (2), described surface treatment adopts pickling process, first silane coupling A 187 is made into water solution A, then makes E glass fibre flood in water solution A, takes out and is drying to obtain silane coupling agent E glass fibre after treatment.
Further, in water solution A, silane coupling A 187 is 0.5～5:100 with the mass ratio of deionized water, is preferably 1:100.
Further, described dipping at room temperature carries out, and dipping time is 1-2 minute.
In described step (3), the diameter of described nano zirconia particles, between 10～100 nanometers, is preferably 10～30 nanometers.The described following method of finishing recommend adoption: make nano zirconia particles and silane coupling A 1100 in solvent in 60～100 ℃ reaction 4～24 hours, the then centrifugal nano zirconia particles obtaining after finishing.
Further, described solvent can be toluene, ethanol, acetone, deionized water/alcohol mixed solvent etc., preferably deionized water/alcohol mixed solvent, and more preferably in mixed solvent, the volume ratio of deionized water and ethanol is 1:1.
Further, the mass ratio of nano zirconia particles and silane coupling A 1100 is 1:1～5:1, is preferably 2:1.
Further, preferably 80 ℃ of the temperature of reaction of nano zirconia particles and silane coupling A 1100, the reaction times is preferably 12 hours.
In described step (4), can adopt the mode applying or flood to make step (3) nano zirconia particles after treatment be attached to step (2) E fiberglass surfacing after treatment.
In described step (4), preferably 100 ℃ of temperature of reaction, preferably 2 hours reaction times.
Preparation method of the present invention; E glass fibre and nano zirconia particles are used respectively end to carry out surface treatment with silane coupling A 187 and the end of epoxide group with amino coupling agent A1100; can there is at a certain temperature ring-opening reaction due to amino with epoxide group; thereby make the zirconium oxide nano-particle of modified can successfully receive the surface of glass fibre; and can be coated fiberglass surfacing fully; reach the effect of under alkaline condition, fiberglass surfacing being protected, improved alkali resistance effect.
Compared with prior art, beneficial effect of the present invention is: the present invention has effectively improved the alkaline resistance properties of E glass fibre on the basis of physicals that retains original E glass fibre excellence.
Accompanying drawing explanation
Fig. 1 is the synthetic schematic diagram of A1100 decorated nanometer Zirconia particles.
Fig. 2 is the synthetic schematic diagram that A187 modifies E woven glass roving fabric.
Fig. 3 is the synthetic schematic diagram of nano zirconia particles modified glass fibers.
Embodiment
Below by specific embodiment, technical scheme of the present invention is described further, but protection scope of the present invention is not limited to this:
Embodiment 1
1. select a common non-twist E fibre glass roving A to be placed in 400 ℃ of muffle furnaces 3 hours, fully remove surface infiltration agent;
2. configure the A187 deionized water solution of 1% concentration, after the fibre glass roving A that this kind of is removed to treating compound floods 1-2 minute in the A187 of 1% concentration solution, take out room temperature and dry for subsequent use;
3. use A1100 decorated nanometer Zirconia particles: take 10 grams of nano zirconia particles, in the there-necked flask of the ultrasonic deionized water/alcohol solvent (volume ratio 1:1) that is scattered in 500ml, be stirred to and mix, drip the A1100 coupling agent of 5g, dropwise 80 ℃ of temperature back flow reaction of rear maintenance after 12 hours, from solvent, isolate the nano zirconia particles through coupling agent finishing with supercentrifuge, these particles are distributed in deionized water and flood A187 rove after treatment again, dipping time is 3-10 minute;
4. impregnated sample is placed in the baking oven of 100 ℃ and smokes 2 hours, finally obtains finished product.
Whole reaction process and product are shown in Fig. 1, Fig. 2 and Fig. 3.
All samples all passes through alkali resistance test, i.e. glass fibre alkali resistance method of testing-sodium hydroxide solution infusion method (GB/T20102-2006).All samples, comprise that the mechanical property (breaking tenacity) that roving A, alkali-resistant glass fiber rove C that the impregnated nano zircite of the roving A of roving A, the impregnated roving A of sodium hydroxide, nano zircite modified and sodium hydroxide is modified and sodium hydroxide solution flooded alkali-resistant glass fiber rove C is to test according to GB/T7690.3-2001 standard, and collect data, in table 1.
From data results, the breaking strength retention through the rove A of nano zircite modified after basic solution boils is the highest, be secondly alkali-resistant glass fiber, and the breaking strength retention of common E glass fibre is minimum.
Table 1 yarn breakage intensity data contrast table
Claims (10)
1. a preparation method for alkali-resistant glass fiber, comprises the steps:
(1) remove the treating compound of E fiberglass surfacing by roasting;
(2) by silane coupling A 187, step (1) E glass fibre after treatment is carried out to surface treatment;
(3) by silane coupling A 1100, nano zirconia particles is carried out to finishing;
(4) make step (3) nano zirconia particles after treatment be attached to step (2) E fiberglass surfacing after treatment, and in 80～130 ℃ of reactions 1～4 hour, obtain alkali-resistant glass fiber.
2. preparation method as claimed in claim 1, is characterized in that: in described step (1), maturing temperature is at 400-550 ℃, and roasting time is at 3-5 hour.
3. preparation method as claimed in claim 1, is characterized in that: in described step (2), described surface treatment adopts pickling process.
4. preparation method as claimed in claim 3, it is characterized in that described pickling process is specially: first silane coupling A 187 is made into water solution A, then make E glass fibre fully flood in water solution A, taking-up is drying to obtain silane coupling agent E glass fibre after treatment, and in described water solution A, silane coupling A 187 is 0.5～5:100 with the mass ratio of deionized water.
5. the preparation method as described in one of claim 1～4, is characterized in that: in described step (3), the diameter of described nano zirconia particles is between 10～100 nanometers.
6. the preparation method as described in one of claim 1～4, it is characterized in that: the described finishing of step (3) is adopted with the following method: make nano zirconia particles and silane coupling A 1100 in solvent in 60～100 ℃ of reactions 4～24 hours, the then centrifugal nano zirconia particles obtaining after finishing.
7. preparation method as claimed in claim 6, is characterized in that: described solvent is toluene, ethanol, acetone or deionized water/alcohol mixed solvent.
8. preparation method as claimed in claim 6, is characterized in that: in step (3), the mass ratio of nano zirconia particles and silane coupling A 1100 is 1:1～5:1.
9. preparation method as claimed in claim 6, is characterized in that: 80 ℃ of the temperature of reaction of nano zirconia particles and silane coupling A 1100, the reaction times is 12 hours.
10. preparation method as claimed in claim 1, is characterized in that: in step (4), temperature of reaction is 100 ℃, and the reaction times is 2 hours.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104909582A (en) * | 2015-05-28 | 2015-09-16 | 安徽丹凤集团桐城玻璃纤维有限公司 | High infrared absorption alkali-resistant glass fiber preparation method |
| CN106927695A (en) * | 2017-03-30 | 2017-07-07 | 齐鲁工业大学 | The low temperature closed-loop process technique of discarded glass |
| CN111892808A (en) * | 2019-05-05 | 2020-11-06 | 上海术博新材料技术有限公司 | Flame-retardant nylon for preparing battery bracket of electric automobile and preparation method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3125523A1 (en) * | 2021-07-22 | 2023-01-27 | Saint-Gobain Centre De Recherches Et D'etudes Europeen | HEAT RESISTANT PRODUCT |
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| JPH08157620A (en) * | 1994-12-02 | 1996-06-18 | Toray Ind Inc | Prepreg and fiber-reinforced composite material |
| US20060165968A1 (en) * | 2002-10-15 | 2006-07-27 | Toshikatsu Tanaka | Glass composition and glass fiber |
| CN101050595A (en) * | 2007-05-22 | 2007-10-10 | 北京科技大学 | Nano inorganic powder coated high molecular fiber and its preparing method |
| EP1993966B1 (en) * | 2006-02-27 | 2012-02-08 | OCV Intellectual Capital, LLC | Sizing for high performance glass fibers and composite materials incorporating same |
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2014
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| JPH08157620A (en) * | 1994-12-02 | 1996-06-18 | Toray Ind Inc | Prepreg and fiber-reinforced composite material |
| US20060165968A1 (en) * | 2002-10-15 | 2006-07-27 | Toshikatsu Tanaka | Glass composition and glass fiber |
| EP1993966B1 (en) * | 2006-02-27 | 2012-02-08 | OCV Intellectual Capital, LLC | Sizing for high performance glass fibers and composite materials incorporating same |
| CN101050595A (en) * | 2007-05-22 | 2007-10-10 | 北京科技大学 | Nano inorganic powder coated high molecular fiber and its preparing method |
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| 姜肇中等: "《玻璃纤维应用技术》", 31 January 2004, 中国石化出版社 * |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104909582A (en) * | 2015-05-28 | 2015-09-16 | 安徽丹凤集团桐城玻璃纤维有限公司 | High infrared absorption alkali-resistant glass fiber preparation method |
| CN106927695A (en) * | 2017-03-30 | 2017-07-07 | 齐鲁工业大学 | The low temperature closed-loop process technique of discarded glass |
| CN106927695B (en) * | 2017-03-30 | 2019-07-19 | 齐鲁工业大学 | The low temperature closed-loop process technique of discarded glass |
| CN111892808A (en) * | 2019-05-05 | 2020-11-06 | 上海术博新材料技术有限公司 | Flame-retardant nylon for preparing battery bracket of electric automobile and preparation method thereof |
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| CN103787593B (en) | 2016-08-24 |
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