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Synthesis of blocked waterborne polyurethane with 3,5-dimethylpyrazole for industrial application in digital inkjet printing

机译:用3,5-二甲基吡唑来合成封闭的水性聚氨酯,用于数字喷墨印刷工业应用

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摘要

In this article, a series of blocked waterborne polyurethanes (BWPUs) were synthesized by isophorone diisocyanate, polyols, dimethylol butanoic acid (DMBA), and 3,5-dimethylpyrazole. BWPUs were applied to digital inkjet printing of textiles. The successful synthesis and deblocking of BWPU were confirmed by Fourier transform infrared spectroscopy and differential scanning calorimetry. The colorfastness was improved by deblocking the terminal NCO groups at 140 degrees C, which could react with fiber. This article presented a characterization method of filtering rate to evaluate the fluency of inkjet printing. Besides, the digital microscope was used to investigate the pigment transferred to the white test cloth. In the end, we chose poly(ethylene glycol adipate) 2000 as the polyol, 1,4-butanediol as the chain extender, 1.6 as the NCO/OH molar ratio, and 4% as the mass fraction of DMBA. (c) 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 47765.
机译:在本文中,通过异佛尔酮二异氰酸酯,多元醇,二甲基丁酸(DMBA)和3,5-二甲基吡唑来合成一系列阻断的水性聚氨酯(BWPU)。 BWPUS应用于纺织品的数字喷墨印刷。 通过傅里叶变换红外光谱和差示扫描量热法证实了BWPU的成功合成和解块。 通过在140℃下脱锁末端NCO基团来改善色牢度,其可以与纤维反应。 本文介绍了过滤速率的表征方法,以评估喷墨印刷的流畅性。 此外,使用数字显微镜来研究转移到白色测试布的颜料。 最后,我们选择多元醇,1,4-丁二醇作为增链剂,1.6作为NCO / OH摩尔比的聚(乙二醇己二酸),1.6作为DMBA的质量分数4%。 (c)2019 Wiley期刊,Inc.J.Phill。 聚合物。 SCI。 2019,136,47765。

著录项

  • 来源
    《Journal of Applied Polymer Science》 |2019年第30期|共8页
  • 作者单位

    Sun Yat Sen Univ Minist Educ Sch Chem Key Lab Polymer Composite &

    Funct Mat Guangzhou 510275 Guangdong Peoples R China;

    Sun Yat Sen Univ Minist Educ Sch Chem Key Lab Polymer Composite &

    Funct Mat Guangzhou 510275 Guangdong Peoples R China;

    Dongguan Changlian New Mat Technol Co Ltd Dongguan 523419 Peoples R China;

    Sun Yat Sen Univ Minist Educ Sch Chem Key Lab Polymer Composite &

    Funct Mat Guangzhou 510275 Guangdong Peoples R China;

    Sun Yat Sen Univ Minist Educ Sch Chem Key Lab Polymer Composite &

    Funct Mat Guangzhou 510275 Guangdong Peoples R China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 高分子化合物工业(高聚物工业);
  • 关键词

    application; inkjet printing; polyurethane;

    机译:应用;喷墨印刷;聚氨酯;

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