汽车底盘漆用离子液体型水性环氧涂料的制备
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摘要
利用环氧树脂6520-WH-53A为基体,添加离子液体型功能固化剂及系列助剂,制备一种可应用于汽车底盘的新型防腐防闪锈水性涂料。考察了环氧树脂与离子液体型固化剂含量比、研磨时间、氧化锌含量比对涂料性能的影响。结果表明,离子液体型固化剂与环氧树脂含量比为6∶1,氧化锌含量为1.5 g,研磨时间为70 min时,制备的水性环氧涂料性能最佳,其冲击强度为65 kg·cm,附着力为80 MPa。
A new type of anticorrosive and anti rust water-based coatings for automobile chassis was prepared by using epoxy resin 6520-WH-53 A as matrix,adding ionic liquid functional curing agent and series additives.The influence of the ratio of epoxy resin to ionic liquid curing agent,the time of grinding and the ratio of zinc oxide on the properties of the coatings were investigated.The results show that the ionic liquid solidifying agent and the epoxy resin content ratio is 6∶1,the zinc oxide content is 1.5 g and the grinding time is 70 min,the prepared waterborne epoxy coating has the best performance and its impact is the best.The impact strength was 65 kg·cm,and the adhesion was 80 MPa.
A new type of anticorrosive and anti rust water-based coatings for automobile chassis was prepared by using epoxy resin 6520-WH-53 A as matrix,adding ionic liquid functional curing agent and series additives.The influence of the ratio of epoxy resin to ionic liquid curing agent,the time of grinding and the ratio of zinc oxide on the properties of the coatings were investigated.The results show that the ionic liquid solidifying agent and the epoxy resin content ratio is 6∶1,the zinc oxide content is 1.5 g and the grinding time is 70 min,the prepared waterborne epoxy coating has the best performance and its impact is the best.The impact strength was 65 kg·cm,and the adhesion was 80 MPa.
引文
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[18] 张翠红,陈志敏,李松栋.环氧树脂低温固化剂的制备及性能测试[J].热固性树脂,2016,31(4):25-27,36.
[19] Said A M,Quiroz O I,Hatchett D W,et al.Latex-modified concrete overlays using waste paint[J].Construction and Building Materials,2016,123:191-197.
[20] Pradhan S,Pandey P,Mohanty S,et al.Synthesis and characterization of waterborne epoxy derived from epoxidized soybean oil and bioderived C-36 dicarboxylic acid[J].Journal of Coatings Technology and Research,2017,14(4):915-926.
[2] 李丽娟,王秀玲,罗兰.2016～2017年国外环氧树脂工业进展[J].热固性树脂,2018,33(2):60-64.
[3] 潘煜怡.咪唑类环氧树脂固化剂的改性方法及其应用[J].热固性树脂,2001(4):21-24,28.
[4] Cui M J,Ren S M,Chen J,et al.Anticorrosive performance of waterborne epoxy coatings containing water-dispersible hexagonal boron nitride (h-BN)nanosheets[J].Applied Surface Science,2017,397:77-86.
[5] 李继新,刘金麟,郭立颖,等.功能化离子液体的合成及对环氧树脂的改性[J].高分子材料科学与工程,2014,30(11):10-14.
[6] Chang C W,Lu K T.Natural castor oil based 2-package waterborne polyurethane wood coatings[J].Progress in Organic Coatings,2012,75(4):435-443.
[7] 崔志强,饶秋华,李瑜,等.环氧树脂增韧固化剂的合成与性能研究[J].热固性树脂,2018,33(2):35-38.
[8] 杜新胜,于晓灵,杨威洁,等.防腐涂料的研究与进展[J].上海涂料,2009,47(7):26-29.
[9] Taki T.Trend of development of protective coatings free of heavy metals[J].Zairyo-to-Kankyo,2009,48(9):557-562.
[10] 肖明明,韩薇,张舜.水性环氧防腐涂料配方中助剂的应用研究[J].现代涂料与涂装,2017,20(6):1-3,9.
[11] Shaik M R,Alam M,Alandis N M.Development of sustainable resource based poly(urethane-etheramide)/Fe2O3 nanocomposite as anticorrosive coating materials[J].Journal of Polymer Engineering,2015,35(9):905-916.
[12] 吴杨敏,周升国,卢光明,等.环氧树脂水性化制备技术及防腐性能研究进展[J].表面技术,2017,46(11):135-142.
[13] Ramanathan E,Balasubramanian S.Comparative study on polyester epoxy powder coat and amide cured epoxy liquid paint over nano-zirconia treated mild steel[J].Progress in Organic Coatings,2016,93:68-76.
[14] 郭立颖,张彬,马秀云,等.聚醚离子液体的合成及其对酚醛树脂的改性研究[J].塑料工业,2015,43(3):58-62.
[15] Zhang X Z,Zhang X H,Ni J X,et al.Study on curing agent of chemical modification on dredged soil[J].Applied Mechanics and Materials,2014,2972(507):395-400.
[16] 崔东霞.促进剂对低温固化剂-环氧树脂体系性能的影响[J].热固性树脂,2016,31(4):28-31.
[17] Sheng J G,Zeng P,Shan Y D.Study on the synthesis and properties of waterborne epoxy resin and curing agent[J].Advanced Materials Research,2013,815(815):547-551.
[18] 张翠红,陈志敏,李松栋.环氧树脂低温固化剂的制备及性能测试[J].热固性树脂,2016,31(4):25-27,36.
[19] Said A M,Quiroz O I,Hatchett D W,et al.Latex-modified concrete overlays using waste paint[J].Construction and Building Materials,2016,123:191-197.
[20] Pradhan S,Pandey P,Mohanty S,et al.Synthesis and characterization of waterborne epoxy derived from epoxidized soybean oil and bioderived C-36 dicarboxylic acid[J].Journal of Coatings Technology and Research,2017,14(4):915-926.