低VOCs免酒精微凝胶润版液配方研究
Study on the formula of alcohol-free low VOCs based microgel fountain solution
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摘要: 以无毒化学成分1,2-丙二醇、甘油代替酒精和异丙醇,并添加一定量的自制微凝胶制备低挥发性有机物(VOCs)免酒精微凝胶润版液。通过表面张力测试,对表面活性剂种类和用量进行筛选和优化,确定适宜的表面活性剂为2,4,7,9-四甲基-5-癸炔-4,7-二醇聚氧乙烯醚(Surfynol 465),添加量为0.10%。通过配方优化设计,确定低VOCs免酒精微凝胶润版液最终配方为:1,2-丙二醇(10.00%)、甘油(8.00%)、磷酸氢二钠(3.00%)、柠檬酸钠(2.00%)、Surfynol 465(0.10%)、N-辛基吡咯烷酮(0.10%)、异噻唑啉酮(0.02%)、消泡剂(0.10%)、阿拉伯树胶(0.40%)、微凝胶(3.30%)、去离子水(余量)。与未添加微凝胶的免酒精润版液相比,免酒精微凝胶润版液的VOCs排放减排程度降低了17.6%。所得低VOCs免酒精微凝胶润版液与市售酒精润版液、市售免酒精润版液对比,性能基本一致,且符合润版液的印刷适性标准,满足环保印刷的需求。
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关键词:
- 免酒精润版液 /
- 微凝胶 /
- VOCs /
- 1,2-丙二醇 /
- Surfynol 465
Abstract: 1,2-propanediol, glycerol were used instead of alcohol and isopropanol, and a certain amount of self-made microgel was added to prepare alcohol-free low volatile organic compounds (VOCs) based microgel fountain solution in this study. Through surface tension tests, the types and dosage of surfactants were screened and optimized, and the suitable surfactant was determined to be 2,4,7,9-tetramethyl-5-decyne-4,7-diol polyoxyethylene ether (Surfynol 465), with an addition of 0.10%. Through the optimization design of the formula, the final formula of alcohol-free low VOCs microgel fountain solution was determined as: 1,2-propanediol (10.00%), glycerol (8.00%), disodium hydrogen phosphate (3.00%), sodium citrate (2.00%), Surfynol 465 (0.10%), N-octylpyrrolidone (0.10%), isothiazolinone (0.02%), defoamer (0.10%), gum arabic (0.40%), micro gel (3.30%), deionized water (residual). Compared with the alcohol-free fountain solution with zero-added microgel, the VOCs emission of the alcohol free microgel solution reduces 17.6%. Compared to commercial alcohol-based fountain solution and commercial alcohol-free fountain solutions, the performance of the obtained alcohol-free microgel fountain solution was almost the same, which met the printing suitability standard of fountain solutions and the needs of environment-friendly printing.-
Key words:
- alcohol-free fountain solution /
- microgel /
- VOCs /
- 1,2-propanediol /
- Surfynol 465
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