微胶囊改性对水性漆膜光泽、韧性及色度影响
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摘要
通过添加微胶囊对水性漆进行改性实验,研究了微胶囊不同添加量以及在不同涂覆工艺中微胶囊的添加次序对漆膜光泽度、色差和韧性的影响。实验结果表明,随着微胶囊添加量的增加,水性漆漆膜的光泽度逐渐降低;漆膜的色差先上升后降低,且在添加量为8.0%时,色差最大;漆膜的柔韧性也是先上升后下降,当微胶囊添加量在10.0%时,对漆膜的韧性增强最显著。在水性漆中添加含量为10.0%的微胶囊,相同工艺条件下,在底漆中添加微胶囊的漆膜光泽度比较高,且涂覆工艺为三底两面时,漆膜光泽度最高;微胶囊在不同涂覆工艺中对漆膜色差的影响不大;当涂覆工艺为三底三面,面漆中添加微胶囊时的漆膜韧性最好。
The modification experiment of waterborne coating was carried out by adding microcapsules. The influences of different amounts of microcapsules and the order of adding microcapsules in the coating process on the properties of gloss, color difference and toughness were studied. The results showed that the gloss of the waterborne coating decreased with the increase of microcapsule content. The color difference of coating increased first and then decreased, and when the microcapsule amount was 8.0%, the color difference was the largest. The toughness of the coatings also increased first and then decreased. When the amount of microcapsule was 10.0%, the toughness of the coating was significantly enhanced. When the microcapsules with a content of 10.0% were added to the waterborne coating, under the same process, the coating gloss of microcapsules added to the primer was relatively high, and the coating gloss was the highest when the coating process was three layers of primer and two layers of top coats. The microcapsule has little effect on the color difference of coating in different coating processes. When the coating process was three layers of primer and three layers of top coats, the coating toughness was the best when microcapsules were added to the top coats.
The modification experiment of waterborne coating was carried out by adding microcapsules. The influences of different amounts of microcapsules and the order of adding microcapsules in the coating process on the properties of gloss, color difference and toughness were studied. The results showed that the gloss of the waterborne coating decreased with the increase of microcapsule content. The color difference of coating increased first and then decreased, and when the microcapsule amount was 8.0%, the color difference was the largest. The toughness of the coatings also increased first and then decreased. When the amount of microcapsule was 10.0%, the toughness of the coating was significantly enhanced. When the microcapsules with a content of 10.0% were added to the waterborne coating, under the same process, the coating gloss of microcapsules added to the primer was relatively high, and the coating gloss was the highest when the coating process was three layers of primer and two layers of top coats. The microcapsule has little effect on the color difference of coating in different coating processes. When the coating process was three layers of primer and three layers of top coats, the coating toughness was the best when microcapsules were added to the top coats.
引文
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[2]Chang CW, Lu KT. Linseed-oil-based waterborne UV/air dual-cured wood coatings[J]. Progress in Organic Coatings, 2013, 76(7-8):1024-1031.
[3]黄伟,邱祖民,肖建军,等.水性涂料的应用现状及研究进展[J].化工新型材料, 2015, 43(8):210-212.
[4]郭伟玲,李恩重.增强材料对环氧树脂力学性能影响的研究进展[J].材料导报, 2012, 26(15):98-101.
[5]杨双春,赵慧燕,刘晓旭,等.改性环氧树脂研究现状及分析[J].当代化工, 2012, 41(10):1085-1086.
[6]Ahangari M G,Fereidoon A. Micromechanical properties and morphologies of self-healing epoxy nanocomposites with microencapsulated healing agent[J]. Materials Chemistry and Physics, 2015, 151:112-118.
[7]郭瑞泉,刘景勃,覃兰媚,等.微胶囊对环氧树脂力学性能的影响[J].合成树脂及塑料, 2017, 34(2):16-19.
[8]倪卓,杜学晓,王帅,等.微胶囊对微胶囊/环氧树脂复合材料增韧作用[J].复合材料学报, 2011, 28(4):63-69.
[9]闫小星,蔡云婷,钱星雨.脲醛包覆环氧树脂微胶囊的优化制备及显著性分析[J].林产工业, 2018, 45(10):11-16.
[10]姬浩,乔生儒,弓满锋,等. PVD TiN涂层力学性能的测试方法[J].机械强度, 2009, 31(2):302-305.
[11]胡拉,吕少一,傅峰,等.微胶囊技术在木质功能材料中的应用及展望[J].林业科学, 2016, 52(7):148-157.
[12]张松.石墨烯/水性环氧富锌涂料的制备及性能研究[D].哈尔滨:哈尔滨工业大学, 2017.
[13]史甜霖,王汉坤,吴燕,等.杨絮纳米纤维素气凝胶的制备及表征[J].家具, 2018, 39(4):14-16, 25.
[14]方芳,徐伟,吴智慧,等.纳米SiO2添加量对水性木器涂料漆膜质量的影响[J].家具, 2017, 38(2):26-30.
[15]高迪,徐伟,吴智慧,等.欧式古典家具胡桃色漆面涂饰工艺[J].家具, 2017, 38(1):11-16.
[16]冯启蒙,刘绒霞.紫外光固化光纤保护涂料的增韧性研究[J].西安工业大学学报, 2008(1):36-39.
[17]潘泽华,吴燕,唐沁雯,等.纳米晶体与蓄光型发光材料复合改性水性聚氨酯木器涂层的物理力学性能研究[J].家具, 2018, 39(3):11-15.
[18]黄艳辉,赵畅,冯启明,等.丙烯酸水性漆的涂饰工艺及其对漆膜性能的影响[J].林产工业, 2018, 45(1):24-26.
[19]刘丹丹,关惠元,黄琼涛.三种水热处理方法对奥古曼软化效果的影响[J].家具, 2018, 39(6):19-26.
[20]常方圆.改性生漆用于红木家具表面涂饰的工艺研究[D].南京:南京林业大学, 2016.
[21]方晓阳,徐伟,李荣荣,等.小径材应用研究概况[J].林产工业,2018, 45(11):42-46.