CN100519922C - Phenolic resin type fiber finishing agent and preparation method thereof - Google Patents
Phenolic resin type fiber finishing agent and preparation method thereof Download PDFInfo
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- CN100519922C CN100519922C CNB2007100726333A CN200710072633A CN100519922C CN 100519922 C CN100519922 C CN 100519922C CN B2007100726333 A CNB2007100726333 A CN B2007100726333A CN 200710072633 A CN200710072633 A CN 200710072633A CN 100519922 C CN100519922 C CN 100519922C
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Abstract
The invention discloses a phenol formaldehyde resin type fibre treatment agent and the preparation method, relating to a fibre treatment agent and the preparation method, solving the problem that the prior fibre treatment agent and is not effective, only having effect to one or two fibres, but having no effect to other fibres. The invention consists of a phenol formaldehyde resin which accounts for 15 to 30 percent and solvent which accounts for 70 to 85 percent; the phenol formaldehyde resin is made of 100 shares of phenol, 100 to 120 shares of formaldehyde and 10 to 13 shares composite catalyst through a polycondensation; the composite catalyst is made of alkali metal oxides, diamine and dibasic acid according to the mol ratio of 0.1 to 0.5: 0.8 to 1.2:1; including the following preparation method: 1. evenly mixing the phenol and the formaldehyde at room temperature; 2. adding the composite catalyst, warming and mixing 1.5 to 3 hours; 3. adding the ethanol after the vacuum distillation. The production of the invention is capable of obviously increasing the shear strength of the composite material layers, and having obvious effect to various fibres, and being used as the matrix resin and the cementing compound of the composite material matrix resin.
Description
Technical field
The present invention relates to a kind of fibre finish and preparation method thereof.
Background technology
Along with economic technology development, the application of composite more and more widely, wherein one of most important technology is how to improve fiber and matrix interface shear strength, it is one of current of paramount importance method that fiber is carried out surface treatment.Fiber surface-processing method has a lot, and wherein coating is the most simple and practical, and this class surface conditioning agent is mainly organo-silicon coupling agent, titanate esters, complex compound etc., is coated in fiber surface under certain condition, is used to improve the interface shear strength of composite.But, use these finishing agents after, the boundary strength of composite improves very not remarkable, some finishing agent even do not have effect, and the fiber of each type all will adopt different fibre finishs, causes complex treatment process, problems such as cost height.
Summary of the invention
The objective of the invention is in order to solve present fibre finish poor effect, and can only be to a kind of or two types of fibers are effective, and the problem invalid to the other types fiber; The invention provides a kind of phenolic resin type fiber finishing agent and preparation method thereof, use this processing can improve the interlaminar shear strength of multiple fibre reinforced composites.The invention provides a kind of phenolic resin type fiber finishing agent and preparation method thereof, use this finishing agent can significantly improve the interface shear strength of multiple fibre reinforced composites, comprising: carbon fiber, aramid fiber, glass fibre, basalt fibre, quartz fibre etc.Phenolic resin type fiber finishing agent of the present invention is by phenolic resins and solvent composition; Wherein phenolic resins accounts for 15～30% of phenolic resin type fiber finishing agent gross weight; Described phenolic resins is made through polycondensation reaction by 100 parts phenol, 100～120 parts formaldehyde and 10～13 parts composite catalyst by ratio of weight and the number of copies; Composite catalyst is made by the mol ratio of 0.1～0.5:0.8～1.2:1 by metal oxide, diamine and binary acid; Wherein metal oxide is ZnO or BaO; Diamine for diamines, ethylenediamine or 4 ', 4-two amido diphenyl-methanes; Binary acid is hexanedioic acid, ethanedioic acid or maleic anhydride; Described solvent is that purity is 95% ethanol; Wherein binary acid is hexanedioic acid or ethanedioic acid, and metal oxide is ZnO or BaO.
Phenolic resin type fiber finishing agent preparation method's of the present invention step is as follows: one, at ambient temperature, phenol and formaldehyde are mixed to evenly; Two, add composite catalyst, be warming up to 70～100 ℃ and carry out polycondensation reaction and stir 1.5～3h with the speed of 300～600r/min; Three, be that decompression distillation to product refraction index reaches 1.625 under 50～70mmHg condition in vacuum then, promptly obtain the thickness liquid resin, adding purity again and be 95% ethanol, to be made into mass percent concentration be 15～30% solution; Promptly obtain phenolic resin type fiber finishing agent; Wherein raw material by weight ratio: phenol: 100 parts, formaldehyde: 100～120 parts and composite catalyst: 10～13 parts, composite catalyst is made by the mol ratio of 0.1～0.5:0.8～1.2:1 by metal oxide, diamine and binary acid; The preparation method of described composite catalyst is as follows: metal oxide, diamine and binary acid heat 1h under 200 ℃ of conditions.
The present invention has synthesized a kind of phenolic resins that contains a large amount of polar groups by using special catalyst, be coated in fiber surface, can significantly improve the interlaminar shear strength of fibre reinforced composites, and glass fibre, charcoal fiber, aramid fiber and quartz fibre etc. all had good adhesive effect, can be widely used in aircraft components, radome, the processing of fibers such as engine shell body component and various glass-reinforced plastic material goods.
The specific embodiment
The specific embodiment one: the phenolic resin type fiber finishing agent of present embodiment is by phenolic resins and solvent composition; Wherein phenolic resins accounts for 15～30% of phenolic resin type fiber finishing agent gross weight; Described phenolic resins is made through polycondensation reaction by 100 parts phenol, 100～120 parts formaldehyde and 10～13 parts composite catalyst by ratio of weight and the number of copies; Composite catalyst is made by the mole of 0.1～0.5:0.8～1.2:1 by alkali metal oxide, diamine and binary acid; Described solvent is that purity is 95% ethanol.
Material purity in the present embodiment is technical grade.
The specific embodiment two: the difference of the present embodiment and the specific embodiment one is that phenolic resins concentration is 18～24%.Other is identical with the specific embodiment one.
The specific embodiment three: the difference of the present embodiment and the specific embodiment one is that phenolic resins concentration is 20%.Other is identical with the specific embodiment one.
The specific embodiment four: the phenolic resins that the difference of the present embodiment and the specific embodiment one is phenolic resin type fiber finishing agent is made through polycondensation reaction by 100 parts phenol, 100 parts formaldehyde and 10 parts composite catalyst by ratio of weight and the number of copies.Other is identical with the specific embodiment one.
The specific embodiment five: the phenolic resins that the difference of the present embodiment and the specific embodiment one is phenolic resin type fiber finishing agent is made through polycondensation reaction by 100 parts phenol, 110 parts formaldehyde and 11 parts composite catalyst by ratio of weight and the number of copies.Other is identical with the specific embodiment one.
The specific embodiment six: the phenolic resins that the difference of the present embodiment and the specific embodiment one is phenolic resin type fiber finishing agent is made through polycondensation reaction by 100 parts phenol, 120 parts formaldehyde and 12 parts composite catalyst by ratio of weight and the number of copies.Other is identical with the specific embodiment one.
The specific embodiment seven: the phenolic resins that the difference of the present embodiment and the specific embodiment one is phenolic resin type fiber finishing agent is made through polycondensation reaction by 100 parts phenol, 100 parts formaldehyde and 13 parts composite catalyst by ratio of weight and the number of copies.Other is identical with the specific embodiment one.
The specific embodiment eight: the difference of the present embodiment and the specific embodiment one is that metal oxide is ZnO or BaO.Other is identical with the specific embodiment one.
The specific embodiment nine: the difference of the present embodiment and the specific embodiment one be diamine for diamines, ethylenediamine or 4 ', 4-two amido diphenyl-methanes.Other is identical with the specific embodiment one.
The specific embodiment ten: the difference of the present embodiment and the specific embodiment one is that binary acid is hexanedioic acid, ethanedioic acid or maleic anhydride.Other is identical with the specific embodiment one.
The specific embodiment 11: the difference of the present embodiment and the specific embodiment one is that composite catalyst made by the mol ratio of 0.2:1:1 by metal oxide, diamine and binary acid.Other is identical with the specific embodiment one.
The specific embodiment 12: phenolic resin type fiber finishing agent preparation method's step is as follows in the present embodiment: one, at ambient temperature, phenol and formaldehyde are mixed to evenly; Two, add composite catalyst, be warming up to 70～100 ℃ and carry out polycondensation reaction and stir 1.5～3h with the speed of 300～600r/min; Three, be that decompression distillation to product refraction index reaches 1.625 under 50～70mmHg condition in vacuum then, promptly obtain the thickness liquid resin, adding purity again and be 95% ethanol, to be made into mass percent concentration be 15～30% phenolic resins ethanolic solution; Promptly obtain phenolic resin type fiber finishing agent; Wherein raw material by weight ratio: phenol: 100 parts, formaldehyde: 100～120 parts and composite catalyst: 10～13 parts, composite catalyst is made by the mol ratio of 0.1～0.5:0.8～1.2:1 by metal oxide, diamine and binary acid.
The specific embodiment 13: present embodiment and the specific embodiment 12 are different is that the preparation method of composite catalyst is as follows: metal oxide, diamine and binary acid heat 1h under 200 ℃ of conditions.Other reactions steps are identical with the specific embodiment 12.
Adopt following evidence effect of the present invention, the test particular content is as follows:
The phenolic resin type fiber finishing agent that following test is adopted is made up of phenolic resins and ethanol; Wherein phenolic resins accounts for 20% of phenolic resin type fiber finishing agent gross weight; Described phenolic resins is made by following ingredients after chemical reaction by weight: phenol: 100 parts, formaldehyde: 110 parts and composite catalyst: 10 parts; Composite catalyst is by ZnO, diamines and hexanedioic acid are made by the mol ratio of 0.2:1:1; Its preparation method is as follows: one, under the room temperature condition, phenol and formaldehyde are mixed to evenly; Two, add composite catalyst, be warming up to 80 ℃, with the speed stirring 2h of 500r/min; Three, then under vacuum 60mmHg condition decompression distillation to product refraction index reach 1.625, obtain the thickness liquid resin, adding purity again and be 95% ethanol, to be made into mass percent concentration be 20% phenolic resins ethanolic solution.
1, the test of bonded metal
The test result such as the table 1 of the adhesive strength of the bonding steel test piece of phenolic resin type fiber finishing agent of the present invention:
Table 1
2, handle fiber
Handle the method that string proof test one adopts: earlier with fiber impregnation in phenolic resin type fiber finishing agent, 180 ℃ solidify 1h then, are impregnated in the matrix resin again, at last parallel the arranging of fiber are put into specific mould and are solidified.
Handle following several fibers with phenolic resin type fiber finishing agent, make fiber/epoxy resin composite material then, test its interlaminar shear strength, result such as table 2:
Table 2
Handle the method that string proof test two adopts: earlier with fiber impregnation in phenolic resin type fiber finishing agent, the fiber impregnation after the processing is put into parallel the arranging of fiber specific mould and is solidified at last in matrix resin.
Handle following several fibers with phenolic resin type fiber finishing agent, make fiber/epoxy resin composite material then, test its interlaminar shear strength, result such as table 3:
Table 3
Claims (9)
1, a kind of phenolic resin type fiber finishing agent is characterized in that phenolic resin type fiber finishing agent is by phenolic resins and solvent composition; Wherein phenolic resins accounts for 15～30% of phenolic resin type fiber finishing agent gross weight; Described phenolic resins is made through polycondensation reaction by 100 parts phenol, 100～120 parts formaldehyde and 10～13 parts composite catalyst by ratio of weight and the number of copies; Composite catalyst is made by the mol ratio of 0.1～0.5:0.8～1.2:1 by metal oxide, diamine and binary acid; Described solvent is that purity is 95% ethanol; Wherein binary acid is hexanedioic acid or ethanedioic acid, and metal oxide is ZnO or BaO.
2, phenolic resin type fiber finishing agent according to claim 1 is characterized in that phenolic resins concentration is 20%.
3, phenolic resin type fiber finishing agent according to claim 1 is characterized in that the phenolic resins of phenolic resin type fiber finishing agent is made through polycondensation reaction by 100 parts phenol, 110 parts formaldehyde and 11 parts composite catalyst by ratio of weight and the number of copies.
4, phenolic resin type fiber finishing agent according to claim 1 is characterized in that the phenolic resins of phenolic resin type fiber finishing agent is made through polycondensation reaction by 100 parts phenol, 120 parts formaldehyde and 11 parts composite catalyst by ratio of weight and the number of copies.
5, phenolic resin type fiber finishing agent according to claim 1 is characterized in that composite catalyst made by the mol ratio of 0.2:1:1 by metal oxide, diamine and binary acid.
6, phenolic resin type fiber finishing agent according to claim 1 or 5, it is characterized in that diamine for diamines, ethylenediamine or 4 ', 4-two amido diphenyl-methanes.
7, the preparation method of phenolic resin type fiber finishing agent as claimed in claim 1 is characterized in that the step of this method is as follows: one, at ambient temperature, phenol and formaldehyde are mixed to evenly; Two, add composite catalyst, be warming up to 70～100 ℃, with speed stirring 1.5～3h of 300～600r/min; Three, be that decompression distillation to product refraction index reaches 1.625 under 50～70mmHg condition in vacuum then, promptly obtain the thickness liquid resin, adding purity again and be 95% ethanol, to be made into mass percent concentration be 15～30% phenolic resins ethanolic solution; Promptly obtain phenolic resin type fiber finishing agent; Wherein raw material by weight ratio: phenol: 100 parts, formaldehyde: 100～120 parts and composite catalyst: 10～13 parts, composite catalyst is made by the mol ratio of 0.1～0.5:0.8～1.2:1 by metal oxide, diamine and binary acid.
8, the preparation method of phenolic resin type fiber finishing agent according to claim 7, it is characterized in that the preparation method of the composite catalyst that adds in step 2 is as follows: metal oxide, diamine and binary acid heat 1h under 200 ℃ of conditions.
9, the preparation method of phenolic resin type fiber finishing agent according to claim 7 is characterized in that adding composite catalyst in step 2, is warming up to 70 ℃.
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| CNB2007100726333A CN100519922C (en) | 2007-08-08 | 2007-08-08 | Phenolic resin type fiber finishing agent and preparation method thereof |
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| CNB2007100726333A CN100519922C (en) | 2007-08-08 | 2007-08-08 | Phenolic resin type fiber finishing agent and preparation method thereof |
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| CN101126206A CN101126206A (en) | 2008-02-20 |
| CN100519922C true CN100519922C (en) | 2009-07-29 |
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| CNB2007100726333A Expired - Fee Related CN100519922C (en) | 2007-08-08 | 2007-08-08 | Phenolic resin type fiber finishing agent and preparation method thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101805489B (en) * | 2010-04-27 | 2011-08-24 | 黑龙江省科学院石油化学研究院 | Low volatile and thermostable phenolic resin and fabrication method thereof |
| CN110903458A (en) * | 2019-12-23 | 2020-03-24 | 万华化学集团股份有限公司 | Preparation method of closed waterborne polyurethane used as aramid fiber surface treatment agent, prepared closed waterborne polyurethane and application |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB835757A (en) * | 1956-07-19 | 1960-05-25 | Catalin Corp Of America | Improvements in low ash phenolic resins of adjusted ph |
| US3929695A (en) * | 1973-01-29 | 1975-12-30 | Sumitomo Durez Co | Phenolic resin adhesives containing resorcinol, formaldehyde and an alkali metal carbonate |
-
2007
- 2007-08-08 CN CNB2007100726333A patent/CN100519922C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB835757A (en) * | 1956-07-19 | 1960-05-25 | Catalin Corp Of America | Improvements in low ash phenolic resins of adjusted ph |
| US3929695A (en) * | 1973-01-29 | 1975-12-30 | Sumitomo Durez Co | Phenolic resin adhesives containing resorcinol, formaldehyde and an alkali metal carbonate |
Non-Patent Citations (6)
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| 纤维增强复合材料的界面研究进展. 于祺，陈平，陆春.绝缘材料，第2期. 2005 |
| 纤维增强复合材料的界面研究进展. 于祺，陈平，陆春.绝缘材料，第2期. 2005 * |
| 纤维表面处理对芳纶-预氧化丝混杂纤维增强NAFC材料耐温性能的影响. 陈晔，顾伯勤，于涛.润滑与密封，第178期. 2006 |
| 纤维表面处理对芳纶-预氧化丝混杂纤维增强NAFC材料耐温性能的影响. 陈晔，顾伯勤，于涛.润滑与密封，第178期. 2006 * |
| 酚醛-乙醇体系在石英纤维表面吸附行为研究. 王柏臣，黄玉东，刘丽.哈尔滨工业大学学报，第38卷第10期. 2006 |
| 酚醛-乙醇体系在石英纤维表面吸附行为研究. 王柏臣，黄玉东，刘丽.哈尔滨工业大学学报，第38卷第10期. 2006 * |
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