Page 57 - 涂料工业2024年第02期电子刊
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第54卷第 2 期                                     涂料工业                                     Vol. 54 No. 2
              2024年 2 月       陈  亮等:丙烯酸酯改性聚醋酸乙烯酯(PVAc)乳液的制备及其感光胶应用性能研究                                Feb.  2024
                                                   PAINT & COATINGS INDUSTRY


                      丙烯酸酯改性聚醋酸乙烯酯(PVAc)乳液的制备


                                         及其感光胶应用性能研究



                                       陈  亮 ,陈  任 ,卢杰宏 ,赵文爱 ,袁  腾                   *1
                                                                  2
                                                                           2
                                                        2
                                               1
                 (1. 生物基材料与能源教育部重点实验室,华南农业大学材料与能源学院,广州510642;
                                 2. 东莞长联新材料科技股份有限公司,广东东莞523403)
                     摘 要:作为感光胶成膜物的聚醋酸乙烯酯(PVAc)乳液,其对感光胶的性能影响很大。为改善
                 感光胶的性能,本项工作从聚醋酸乙烯酯(PVAc)乳液的合成出发,用丙烯酸单体、交联单体对 PVAc
                 乳液进行共聚改性,采用种子乳液聚合的方式,制备了一系列的改性聚醋酸乙烯酯乳液及感光胶。
                 测试分析了乳液的粒径和感光胶的动态热机械性能(DMA)、水接触角、吸水率、耐印性等。研究结果
                                                                                                                     工
                 表明:添加硬单体甲基丙烯酸甲酯(MMA)和丙烯酸异冰片酯(IBOA)的感光胶耐印性最好,使用单体                                                    探
                 丙烯酸乙酯(EA)和甲基丙烯酸甲酯(MMA)的感光胶固化膜吸水率最低,单体丙烯酸丁酯(BA)的加
                                                                                                                     艺
                                                                                                                     索
                 入会让感光胶固化膜的交联密度更大。在满足感光胶显影要求的同时,由丙烯酸酯单体改性的样品都
                                                                                                                     技
                 能提高感光胶的耐水性能,除了单体丙烯酸异辛酯(IS)之外的其他单体对感光胶的耐印性都有改善。                                                      开
                     关键词:丝网印刷;聚醋酸乙烯酯;感光胶;耐水性;耐印性
                                                                                                                     发
                                                                                                                     术
                     中图分类号:TQ637. 83  文献标志码:A  文章编号:0253-4312(2024)02-0037-08
                     doi:10. 12020/j. issn. 0253-4312. 2023-247
                      Preparation of Acrylates Modified PVAc Emulsion and Its

                             Application Property of Photosensitive Adhesive



                                                                  2
                                                                                2
                                           1
                                                      2
                                Chen Liang ,Chen Ren ,Lu Jiehong ,Zhao Wenai ,Yuan Teng     1
                 (1. Key Laboratory for Biobased Materials and Energy of Ministry of Education,College of Materials and Energy,
                     South China Agricultural University,Guangzhou   510642,China;2. Dongguan Changlian New Material
                                     Technology Co     Ltd     Dongguan,Guangdong   523403,China)
                      Abstract:Polyvinyl acetate(PVAc)emulsion,as the film forming material of photosensitive

                 adhesive,had  a  great  influence  on  the  performance  of  photosensitive  adhesive. In  order  to
                 improve the performance of photosensitive adhesive,polyvinyl acetate(PVAc)emulsion was

                                                                                               t
                 synthesized and copolymerized with acrylic monomer and crosslinking monomer,hen by seed
                 lotion  polymerization,a  series  of  modified  polyvinyl  acetate  emulsion  and  photosensitive
                 adhesive were prepared. The emulsion and photosensitive adhesive were tested by particle size
                 analysis,dynamic  thermal  mechanical  analysis(DMA),water  contact  angle  test,water
                 absorption test,and print resistance test. The results showed that the photosensitive adhesive
                 film  with  hard  monomers  methyl  methacrylate(MMA) and  isoborneol  acrylate(IBOA)

             通信作者:袁腾(1987—),男,博士、教授、博导。主要从事环保型聚合物乳液、生物基功能高分子材料等方面的研究。
             本文规范引用格式:
             陈亮,陈任,卢杰宏,等. 丙烯酸酯改性聚醋酸乙烯酯(PVAc)乳液的制备及其感光胶应用性能研究[J]. 涂料工业,2024,54(2):37-44.
             CHEN  L,CHEN  R,LU J H,et al. Preparation of acrylates modified PVAc emulsion and its application property of photosensitive adhesive[J]. Paint &
             Coatings Industry,2024,54(2):37-44.

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