Preparation and characterization of ambient-temperature self-crosslinkable water-soluble acrylic resin for PE film ink

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• 作者：Pihui Pi ; Xi Chen ; Xiufang Wen ; Shouping Xu…
• 关键词：Water ; soluble acrylic resin ; Ambient ; temperature self ; crosslinkable ; Film ; forming ability ; Adhesion ; PE film
• 刊名：Journal of Coatings Technology and Research
• 出版年：2016
• 出版时间：January 2016
• 年：2016
• 卷：13
• 期：1
• 页码：73-80
• 全文大小：3,409 KB
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  12.Pi, PH, Wang, WH, Wen, XF, Xu, SP, Cheng, J, “Synthesis and Characterization of Low-Temperature Self-Crosslinkable Acrylic Emulsion for PE Film Ink.” Prog. Org. Coat., 81 66–71 (2015)CrossRef
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• 作者单位：Pihui Pi (1)
  Xi Chen (1)
  Xiufang Wen (1)
  Shouping Xu (1)
  Jiang Cheng (1)
  
  1. School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, 510640, Guangdong, China
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Tribology, Corrosion and Coatings
  Surfaces and Interfaces and Thin Films
  Polymer Sciences
  Materials Science
  
• 出版者：Springer US
• ISSN：1935-3804

文摘

An ambient-temperature self-crosslinkable acrylic resin was synthesized by solution polymerization, with ethanol as solvent; butyl acrylate (BA), methyl methacrylate (MMA), acrylic acid (AA), hydroxypropyl acrylate (HPA), and diacetone acrylamide (DAAM) as monomers; and adipic acid dihydrazide (ADH) as crosslinker. The resin could be diluted by water. The resin was used for PE film ink, and its curing behavior and film properties were studied. FTIR and DSC results indicated that the reaction between ketone carbonyl and hydrazine groups could occur during film curing at ambient temperature and improved glass transition temperature (T _g) of the film by 12.67°C. Crosslinking density of film increased with DAAM content and m(ADH)/m(DAAM) ratio. Adhesion on PE film increased with DAAM content, while it first increased then decreased with m(ADH)/m(DAAM) ratio. Water absorption of film decreased with DAAM content, while it first decreased then increased with m(ADH)/m(DAAM) ratio. The optimal m(ADH)/m(DAAM) ratio and DAAM content in this experiment are 0.8:1 and 2%, respectively. Compared with ambient-temperature self-crosslinkable emulsion, this water-soluble resin shows film not only with the same adhesion, but also without any shrinkage void, indicating better film-forming ability on PE film. The ambient-temperature self-crosslinkable water-soluble acrylic resin shows excellent potential application in water-based ink for PE film because of good film-forming ability and adhesion and low water absorption. Keywords Water-soluble acrylic resin Ambient-temperature self-crosslinkable Film-forming ability Adhesion PE film