Page 211 - 《精细化工》2022年第9期

第 9 期 胡继广，等: 基于蒽醌染料水性聚氨酯-丙烯酸酯共聚乳液的合成及性能 ·1929·

234~376 ℃和 376~455 ℃，这是由于胶膜具有软硬段 Polyurethane Industry (聚氨酯工业), 2016, 31(6): 54-56.
的相分离体系。当 RPUA-0 胶膜质量保留率分别为 [5] HU X, LIU X, LIU M, et al. A waterborne polyurethane-based
polymeric dye with covalently linked disperse red 11[J]. Reactive and
50%、70%、90%时，所对应的温度为 388.2、343.3 和 Functional Polymers, 2018, 132: 1-8.
301.0 ℃。当 RPUA-2 胶膜质量保留率分别为 50%、 [6] HONARKER H. Waterborne polyurethanes: A review[J]. Journal of
Dispersion Science and Technology, 2018, 39(4): 507-516.
70%、90%时，所对应的温度为396.1、355.4和318.3 ℃。
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RPUA-2 胶膜的热稳定性高于 RPUA-0 和 RPUA-1 胶 of new self-colored blue waterborne polyurethane based on a
膜。这是因为，丙烯酸酯单体加入后，胶膜热分解 colorant diol as chain extender[J]. Journal of Dispersion Science and
Technology, 2012, 33(9): 1373-1378.
温度升高，丙烯酸酯单体与用 HEMA 封端的聚氨酯 [8] FENG D (封丹), WANG W (王伟), GAO Y X (高柚昕), et al.
发生共聚反应使胶膜的耐热性得以提高 [21] 。 Preparation and acid chromic properties of waterborne polyurethane
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3 结论 22.
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（1）通过对合成染料进行 HNMR 测试，结果 progress of adjustable color waterborne polyurethane for synthetic
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证明成功合成了染料 DYE-R，通过 FTIR 测试，结 22-23, 26.
果表明已将 DYE-R 引入到聚氨酯主链上。 [10] XIONG C D (熊重铎). Study on the degradation process of
（2）随着丙烯酸酯单体含量的增加，乳液的粒 anthraquinone dye alizarin green simulated wastewater by microwave
electrodeless UV photocatalysis[D]. Shanghai: Donghua University
径增大，当 m(PU)∶m(丙烯酸酯单体)为 10∶2 时 (东华大学), 2015.
RPUA-2 乳液粒径为 81 nm，稳定性较好。紫外-可 [11] LIU X (刘翔). Synthesis and properties of anionic waterborne
见吸收光谱测试发现，RPUA-2 相比 DYE-R 发生了 polyurethane polymer dyes[D]. Hefei: Anhui Jianzhu University (安
徽建筑大学), 2019.
2 nm 微弱的蓝移。RPUA-2 的稳定性优于 PUA-R， [12] CHAI C P (柴春鹏), ZHAO J (赵佳), HOU J H (侯靖辉), et al.
且在 pH 为 8.2~11 时不会破乳，有一定的耐碱性。 Preparation and characterization of red water-based polyurethane
（3）TEM 测试结果表明，乳胶粒为规则的球形， containing anthraquinone structure[J]. Transactions of Beijing Institute
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氨酯为外壳、丙烯酸酯为核的稳定乳液。通过着色 New progress in composite modification and application of
waterborne polyurethane[J]. China Leather ( 中国皮 革 ), 2009,
性实验、热迁移率和色牢度测试，结果表明 RPUA-2
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着色效果明显，热迁移率降低到 3.54%，耐干、湿 [14] LI X N (李小宁). Research progress of waterborne polyurethane
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（4）热重测试结果表明，RPUA-2 胶膜的热稳 [15] JIN Q J, LI B T, WANG J S, et al. Preparation and properties of
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定性好于 RPUA-0 和 RPUA-1 胶膜。RPUA-2 胶膜 Acta Polymerica Sinica, 2015(5): 610-616.
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分别为 396.1、355.4 和 318.3 ℃，丙烯酸酯的引入
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提高了胶膜热稳定性。 [17] LUO Q, SHEN Y, LI P, et al. Synthesis and characterization of
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