CN107759816B - 一种碳纤维复合材料的表面处理方法 - Google Patents
一种碳纤维复合材料的表面处理方法 Download PDFInfo
- Publication number
- CN107759816B CN107759816B CN201710776324.8A CN201710776324A CN107759816B CN 107759816 B CN107759816 B CN 107759816B CN 201710776324 A CN201710776324 A CN 201710776324A CN 107759816 B CN107759816 B CN 107759816B
- Authority
- CN
- China
- Prior art keywords
- composite material
- carbon fiber
- release agent
- treatment method
- surface treatment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 63
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 63
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 239000002131 composite material Substances 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000004381 surface treatment Methods 0.000 title claims description 15
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 27
- 239000000758 substrate Substances 0.000 claims abstract description 25
- 238000000576 coating method Methods 0.000 claims abstract description 24
- 239000011248 coating agent Substances 0.000 claims abstract description 23
- 238000001035 drying Methods 0.000 claims abstract description 21
- BDAGIHXWWSANSR-UHFFFAOYSA-N Formic acid Chemical compound OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 235000019253 formic acid Nutrition 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 19
- 238000005498 polishing Methods 0.000 claims abstract description 17
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 16
- 239000010703 silicon Substances 0.000 claims abstract description 16
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000000694 effects Effects 0.000 claims abstract description 14
- 229920001568 phenolic resin Polymers 0.000 claims abstract description 14
- 230000007704 transition Effects 0.000 claims abstract description 13
- 239000003822 epoxy resin Substances 0.000 claims abstract description 12
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 12
- 229920005989 resin Polymers 0.000 claims abstract description 9
- 239000011347 resin Substances 0.000 claims abstract description 9
- 244000137852 Petrea volubilis Species 0.000 claims abstract description 8
- 239000005007 epoxy-phenolic resin Substances 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000011259 mixed solution Substances 0.000 claims abstract description 7
- 230000008961 swelling Effects 0.000 claims abstract description 3
- 239000000853 adhesive Substances 0.000 claims description 15
- 230000001070 adhesive effect Effects 0.000 claims description 15
- 239000012535 impurity Substances 0.000 claims description 6
- 239000005011 phenolic resin Substances 0.000 claims description 6
- 230000006378 damage Effects 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004593 Epoxy Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 229920005749 polyurethane resin Polymers 0.000 claims description 2
- 239000006082 mold release agent Substances 0.000 claims 2
- 239000007788 liquid Substances 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 229920000742 Cotton Polymers 0.000 abstract description 8
- 238000007598 dipping method Methods 0.000 abstract description 6
- 125000000524 functional group Chemical group 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 239000003973 paint Substances 0.000 description 10
- 239000008399 tap water Substances 0.000 description 8
- 235000020679 tap water Nutrition 0.000 description 8
- 238000005406 washing Methods 0.000 description 8
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 238000005507 spraying Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000011208 reinforced composite material Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 2
- 238000009832 plasma treatment Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000006750 UV protection Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229920000592 inorganic polymer Polymers 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/12—Chemical modification
- C08J7/14—Chemical modification with acids, their salts or anhydrides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/0427—Coating with only one layer of a composition containing a polymer binder
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/12—Chemical modification
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2361/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
- C08J2361/04—Condensation polymers of aldehydes or ketones with phenols only
- C08J2361/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2363/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/06—Elements
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Reinforced Plastic Materials (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
本发明涉及一种在表面自由能较低、含硅脱模剂较多的碳纤维增强环氧树脂或酚醛树脂复合材料表面上的处理方法,包括以下步骤:(1)用300~1000目的水砂纸初步打磨碳纤维复合材料基材表面,去除表面大部分的含硅脱模剂以及低活性组分,并使部分亲水性较强的官能团裸露;(2)用脱脂棉蘸取1%~5%浓度的NaF与HCOOH混合液(NaF:HCOOH=0.1~0.01),擦拭打磨后的基材表面5~10min,将剩余的含硅脱模剂全部除去,并轻微溶胀碳纤维复合材料基材表面;(3)在去除脱模剂的表面涂覆一层约10~40μm厚的高活性、相容性较好的树脂类过渡层,自然干燥3~5h后再做相应涂装处理。本发明工艺简单、成本低,最终可大幅度提高碳纤维复合材料表面与涂料的附着能力。
Description
技术领域
本发明涉及一种以碳纤维增强环氧树脂或酚醛树脂复合材料为表面处理对象的方法,经过三步处理得到表面能较高、无脱模剂、无碳纤维损伤的碳纤维增强复合材料基材表面,可以大幅度提高之后涂装作业时底漆的附着能力。属于新型塑料基材涂装前处理的技术领域。
背景技术
碳纤维是由有机母体纤维在1000℃~3000℃的高温、惰性气体环境下,高温分解、碳化而成的含碳量90%以上的无机高分子纤维,其中含碳量超过99%的又称石墨纤维。碳纤维具有相当独特和出众的物理和化学性能,它具有高强度、高模量、耐腐蚀、耐磨擦、耐高温、导电和导热等多种优异的性能,堪称材料工业的明珠,被誉为“黑色黄金”。碳纤维与各种基体经过复合工艺后制成的碳纤维复合材料因“外柔内刚”,质量比金属铝轻,密度不到2×103Kg/m3,强度却是钢铁的10倍以上,不但在航空航天和军事领域得到广泛应用,而且在民用领域也得到大量应用。
随着轻量化、新材料理念的深入人心、市场的发展以及国家政策的扶持将会有更多碳纤维复合材料应用案例出现。但碳纤维复合材料固有的外观颜色不能满足人们的视觉要求,所以需要对碳纤维复合材料涂以不同颜色的涂料,通过表面涂覆处理,不仅能提高产品的使用和销售价值,而且能对材料本身起到一定的保护作用。但碳纤维复合材料成型时基体表面往往携带大量的脱模剂、增塑剂等杂质,这些物质如果不除去将会在很大程度上影响涂料的附着力;并且碳纤维复合材料表面极性极低,一般的底漆很难在其表面润湿,如不经活化处理,漆膜在成型时会发生卷曲、收缩,附着力也将会大大下降。目前市场上对塑料基材表面的处理手段多采用铬酸强氧化处理,虽然对塑料基体表面能进行有效的活化,提高基体表面能,但也带来了废水处理等问题,随着工业的发展,涂装生产线上都避免使用铬酸处理。新型的等离子处理目前处于火热阶段,等离子设备在常温下就可以对塑料基体进行活化,避免了高温塑料基材变形的问题,但等离子处理只适用于小型零部件,对大面积的碳纤维复合材料的表面处理显得捉襟见肘。尽管几种处理方法都能使碳纤维复合材料表面极性官能团增多,提高了表面的润湿性,但基材表面残余的脱模剂不能被有效除去,从而在一定程度影响了后期底漆的附着能力。
而本发明针对基体表面含硅脱模剂较多的碳纤维增强环氧树脂或酚醛树脂复合材料,先用目数为300~1000的砂纸打磨复合材料表面,除掉大部分的含硅脱模剂以及其他污染物;再用脱脂棉蘸取浓度为1%~5%的NaF与HCOOH混合液(NaF:HCOOH=0.1~0.01)擦拭,可将剩余的含硅脱模剂全部除去,并可轻微溶胀碳纤维增强复合材料基材表面;最后表面涂覆一层表面能较高、相容性较好的树脂类过渡层,表干后可得到亲水性好、无脱模剂、无碳纤维损伤的高活性碳纤维增强复合材料基材表面,有利于之后的表面涂装作业。
发明内容
本发明主要解决现有碳纤维复合材料表面活性提高困难、脱模剂去除不彻底的问题,以基体表面含硅脱模剂较多的碳纤维增强环氧树脂或酚醛树脂复合材料为主要研究对象,经过三步关键步骤处理,可得到高活性的基体表面。
本发明为实现上述目的采取以下技术方案:一种表面自由能较低、含硅脱模剂较多、结晶度较高的碳纤维增强环氧树脂或酚醛树脂复合材料表面处理方法,包含以下步骤:
(1)选用300~1000目的水砂纸均匀的打磨基材表面,将表面大部分的含硅脱模剂以及低活性组分、杂质除去,并使部分亲水性较强的官能团裸露出来,且打磨后碳纤维丝不能被打断;(2)用脱脂棉蘸取1%~5%浓度的NaF与HCOOH(NaF:HCOOH=0.1~0.01)混合液,擦拭打磨后的基材表面5~10min,将剩余的含硅脱模剂全部除去,并使基材表面轻微溶胀;(3)在去除脱模剂的表面涂覆一层约10~40μm厚的高活性、无杂质、相容性较好的树脂类过渡层,自然干燥3~5h后可以得到表面能较高、无脱模剂、无碳纤维损伤的活化表面。
本发明中去除含硅脱模剂需分步处理,其中处理步骤(1)需选用300~1000目水砂纸均匀的打磨基材表面,且沿同一方向进行打磨,力度不宜过大,打磨程度小于2μm,以免基体中的碳纤维丝被打断,从而影响碳纤维复合材料的力学性能。碳纤维复合材料经过打磨处理可去除基材表面大部分的含硅脱模剂以及低活性组分、杂质等物质,并使复合材料中的亲水性官能团得以裸露,提高基材表面极性;处理步骤(2),用脱脂棉蘸取1%~5%浓度的NaF与HCOOH混合液(HF:HCOOH=0.1~0.01)擦拭经步骤(1)处理后的碳纤维复合材料基材表面5~10min,使没有被打磨掉的含硅脱模剂在F-的作用下全部除去,同时HCOOH可轻微溶胀基材表面,利于权利要求1所述步骤(3)中树脂类过渡层的附着;处理步骤(3),在经步骤(2)处理后的碳纤维复合材料基材表面涂覆一层约10~40μm厚的相容性较好的树脂类过渡层,干燥3~5h后得到具有较高表面极性的高活性碳纤维复合材料基材表面。实验证明底漆在经过上述步骤处理的碳纤维复合材料基材表面上具有的优良附着力,在1.5mm的板材上,划格法测试附着力均为0级,拉开法测试附着力可达到5~8MPa,且漆膜各项性能指标如耐候性、耐盐雾性、耐紫外线性、耐湿热型等均符合要求,且处理过程中污染小,易操作,适合大面积推广。
本发明与已有表面处理手段相比具有以下优势:
(1)本发明简单易操作,可在常温下进行大面积的涂装作业,利于碳纤维复合材料涂装前处理的工业化推广及应用。
(2)本发明中所采用方法污染小,符合环保的要求,且处理工艺对人体伤害小,适合连续作业。
(3)本发明对脱模剂的去除采用分步处理,能够保证脱模剂去除干净,采用树脂类薄膜涂覆处理后可使基材的表面能大大提高,易于涂装作业时底漆的润湿与附着。
具体实施方式
下面结合实施例进一步叙述本发明所提供的对含硅脱模剂较多的碳纤维增强环氧树脂或酚醛树脂复合材料涂装前表面处理的方法。
实施例1:
选用500目的水砂纸沿同一方向均匀的打磨碳纤维增强型环氧树脂复合材料基材表面,力度不易过大,以免基体中的碳纤维丝被打断,打磨完毕后用高压自来水冲洗碳纤维复合材料表面1min后,60℃下烘干2h,再用脱脂棉蘸取3%浓度的NaF与HCOOH混合液(NaF:HCOOH=0.1),沿同一方向擦拭基材表面5min,用高压自来水冲洗碳纤维复合材料表面1min,烘干后涂覆一层约18μm厚的高活性的环氧树脂类过渡层,待其表干后喷涂一层56μm厚的环氧底漆,自然干燥48h后用划格法定性分析漆膜的附着力为0级,用拉开法定量分析漆膜的附着力为6.78MPa。
实施例2:
选用800目的水砂纸沿同一方向均匀的打磨碳纤维增强型环氧树脂复合材料基材表面,力度不易过大,以免基体中的碳纤维丝被打断,打磨完毕后用高压自来水冲洗碳纤维复合材料表面1min后,60℃下烘干2h,再用脱脂棉蘸取2%浓度的NaF与HCOOH混合液(NaF:HCOOH=0.05),沿同一方向擦拭基材表面3min,用高压自来水冲洗碳纤维复合材料表面1min,烘干后涂覆一层约26μm厚的高活性的聚氨酯类过渡层,待其表干后喷涂一层59μm厚的聚氨酯底漆,自然干燥48h后用划格法定性分析漆膜的附着力为0级,用拉开法定量分析漆膜的附着力为6.56MPa。
实施例3:
选用700目的水砂纸沿同一方向均匀的打磨碳纤维增强型酚醛树脂复合材料基材表面,力度不易过大,以免基体中的碳纤维丝被打断,打磨完毕后用高压自来水冲洗碳纤维复合材料表面1min后,60℃下烘干2h,再用脱脂棉蘸取2%浓度的NaF与HCOOH的混合液(NaF:HCOOH=0.02),沿同一方向擦拭基材表面6min,用高压自来水冲洗碳纤维复合材料表面1min,烘干后涂覆一层约32μm厚的高活性的酚醛树脂类过渡层,待其表干后喷涂一层62μm厚的环氧底漆,自然干燥48h后用划格法定性分析漆膜的附着力为0级,用拉开法定量分析漆膜的附着力为6.37MPa。
实施例4:
选用900目的水砂纸沿同一方向均匀的打磨碳纤维增强型酚醛树脂复合材料基材表面,力度不易过大,以免基体中的碳纤维丝被打断,打磨完毕后用高压自来水冲洗碳纤维复合材料表面1min后,60℃下烘干2h,再用脱脂棉蘸取1%浓度的NaF与HCOOH混合液(NaF:HCOOH=0.02),沿同一方向擦拭基材表面8min,用高压自来水冲洗碳纤维复合材料表面1min,烘干后涂覆一层约31μm厚的高活性的聚氨酯树脂类过渡层,待其表干后喷涂一层49μm厚的聚氨酯底漆,自然干燥48h后用划格法定性分析漆膜的附着力为0级,用拉开法定量分析漆膜的附着力为7.01MPa。
Claims (9)
1.一种碳纤维增强环氧树脂或酚醛树脂复合材料表面处理方法,其特征在于,包含以下步骤:(1)选用300~1000目的水砂纸均匀的打磨碳纤维复合材料基材表面;(2)用1%~5%浓度的NaF与HCOOH混合液擦拭打磨后的碳纤维复合材料基材表面5~10min,将剩余的含硅脱模剂全部除去,并轻微溶胀碳纤维复合材料基材表面;(3)在去除脱模剂的表面涂覆一层高活性、无杂质、相容性较好的树脂类过渡层,自然干燥3~5h后可以得到亲水性、无脱模剂、无碳纤维损伤的活化表面;所述NaF与HCOOH混合液的配比为NaF:HCOOH=0.1~0.01。
2.根据权利要求1所述的复合材料表面处理方法,其特征在于:所述复合材料表面残余的含硅脱模剂较多,需进行脱除脱模剂的表面处理。
3.根据权利要求1所述的复合材料表面处理方法,其特征在于:步骤(1)中使用水砂纸均匀的打磨复合材料表面,且沿同一方向进行打磨,力度不宜过大,打磨程度小于2μm,以免基体中的碳纤维丝被打断。
4.根据权利要求1所述的复合材料表面处理方法,其特征在于:底漆在经过上述步骤处理的碳纤维复合材料基材表面上具有的优良附着力,附着力达到5~8MPa。
5.根据权利要求1所述的复合材料表面处理方法,其特征在于:步骤(3)中基材表面涂覆10~40μm的树脂类过渡层。
6.根据权利要求1所述的复合材料表面处理方法,其特征在于:所述树脂类过渡层为环氧树脂类、聚氨酯类、酚醛树脂类过渡层中的一种或多种。
7.一种碳纤维增强环氧树脂或酚醛树脂复合材料的制备方法,其特征在于:采用权利要求1-6任一项所述的复合材料表面处理方法处理复合材料表面,然后在所述复合材料表面上涂覆底漆。
8.根据权利要求7所述的制备方法,其特征在于:所述底漆为环氧底漆或聚氨酯底漆。
9.根据权利要求7或8所述的制备方法,其特征在于:底漆在复合材料表面上附着力达到5~8MPa。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710776324.8A CN107759816B (zh) | 2017-08-31 | 2017-08-31 | 一种碳纤维复合材料的表面处理方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710776324.8A CN107759816B (zh) | 2017-08-31 | 2017-08-31 | 一种碳纤维复合材料的表面处理方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107759816A CN107759816A (zh) | 2018-03-06 |
CN107759816B true CN107759816B (zh) | 2020-08-28 |
Family
ID=61265025
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710776324.8A Expired - Fee Related CN107759816B (zh) | 2017-08-31 | 2017-08-31 | 一种碳纤维复合材料的表面处理方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107759816B (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20230106971A1 (en) * | 2020-02-21 | 2023-04-06 | Toray Industries, Inc. | Internal mold release agent-containing fiber-reinforced composite molded article |
CN112064355A (zh) * | 2020-09-08 | 2020-12-11 | 宁波江丰复合材料科技有限公司 | 一种碳素纤维机器人手臂叉的表面处理方法 |
CN115447171A (zh) * | 2022-08-11 | 2022-12-09 | 航天特种材料及工艺技术研究所 | 一种降低纤维增强树脂基透波复合材料表面粗糙度的方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101313391A (zh) * | 2005-12-01 | 2008-11-26 | 三菱瓦斯化学株式会社 | 半导体表面处理剂 |
CN101321614A (zh) * | 2005-09-30 | 2008-12-10 | 空客西班牙公司 | 使用常压等离子体束表面处理复合材料结构体的方法 |
CN102153775A (zh) * | 2011-03-25 | 2011-08-17 | 中北大学 | 一种提高硫化天然橡胶粘结性能的表面处理方法 |
CN103087341A (zh) * | 2013-01-28 | 2013-05-08 | 中国民航大学 | 一种碳纤维环氧树脂复合材料的表面处理方法 |
CN105175768A (zh) * | 2015-10-30 | 2015-12-23 | 中物院成都科学技术发展中心 | 一种用氟树脂改性的聚合物膜及其制备方法 |
-
2017
- 2017-08-31 CN CN201710776324.8A patent/CN107759816B/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101321614A (zh) * | 2005-09-30 | 2008-12-10 | 空客西班牙公司 | 使用常压等离子体束表面处理复合材料结构体的方法 |
CN101313391A (zh) * | 2005-12-01 | 2008-11-26 | 三菱瓦斯化学株式会社 | 半导体表面处理剂 |
CN102153775A (zh) * | 2011-03-25 | 2011-08-17 | 中北大学 | 一种提高硫化天然橡胶粘结性能的表面处理方法 |
CN103087341A (zh) * | 2013-01-28 | 2013-05-08 | 中国民航大学 | 一种碳纤维环氧树脂复合材料的表面处理方法 |
CN105175768A (zh) * | 2015-10-30 | 2015-12-23 | 中物院成都科学技术发展中心 | 一种用氟树脂改性的聚合物膜及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN107759816A (zh) | 2018-03-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107759816B (zh) | 一种碳纤维复合材料的表面处理方法 | |
Liu et al. | Design and preparation of a multi-fluorination organic superhydrophobic coating with high mechanical robustness and icing delay ability | |
Kim et al. | Repeatable replication method with liquid infiltration to fabricate robust, flexible, and transparent, anti-reflective superhydrophobic polymer films on a large scale | |
CN106366912A (zh) | 一种可转移耐磨柔性超疏水薄膜及其制备方法 | |
CN108300274A (zh) | 一种水性紫外光固化抗指纹涂料及其制备方法 | |
CN105153775B (zh) | 光固化铝箔防腐涂料组合物 | |
CN103895287A (zh) | 一种改进形状记忆合金与聚合物材料之间界面结合的方法 | |
CN101338040A (zh) | 一种在塑料表面制备多孔导电涂层的方法 | |
Liu et al. | Robust and repairable bulk polymeric coatings with continuous superhydrophobicity for design control and underwater display | |
CN112321868A (zh) | 通过使用共固化漆膜从复合基材上除去表面膜和底漆 | |
CN111234630A (zh) | 一种车辆用水性免罩光高光实色漆 | |
US20090289032A1 (en) | Method and kit for surface preparation | |
EP2411204B1 (en) | Film for production of composite material artefacts, production method of said film and production method of composite material artefacts using said film | |
CN109703073B (zh) | 一种超疏水复合材料的制备方法 | |
CN110606970A (zh) | 一种提升涂层与塑料粘结力的塑料表面预处理方法 | |
CN113278318B (zh) | 纤维和/或鳞片增强自修复防腐涂料及其制备方法与应用 | |
CN110066577A (zh) | 钛合金和碳纤维复合材料粘接用绝缘涂层及其粘接方法 | |
CN113755040A (zh) | 一种高防腐纳米涂料及防腐工艺 | |
CN114933840B (zh) | 一种核工程电缆桥架用耐腐蚀抗盐雾氧化的涂层及其制备方法和应用 | |
CN111768948A (zh) | 一种用于沿海地区的耐腐蚀变压器 | |
Xie et al. | Research progress of superhydrophobic coatings based on silicone rubber surface | |
CN114656869B (zh) | 一种含氯化铟包覆纳米碳纤维的风电塔架面漆及其制备方法和使用方法 | |
CN111926957A (zh) | 一种热塑性pvdf氟碳粉末涂覆铝单板 | |
CN105273458A (zh) | 一种高强度易清洁透气型涂层材料及其制备方法 | |
Zhang et al. | Durable microstructure-based superhydrophobic composite with photothermal performance for multifunctional application |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200828 |