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首页> 外文期刊>Journal of Applied Polymer Science >Miscibility behavior of poly(n-butyl methacrylate) latex films containing alkali-soluble resin
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Miscibility behavior of poly(n-butyl methacrylate) latex films containing alkali-soluble resin

机译：含碱溶性树脂的聚（甲基丙烯酸正丁酯）乳胶膜的相容性

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摘要

The dynamic mechanical properties of poly(n-butyl methacrylate) (PBMA) latex films postadded with alkali-soluble resin (ASR) have been studied and compared with those of latex films prepared by emulsion polymerization in the presence of ASR (ASR-fortified latex). The miscibility between PBMA and ASR, poly(styrene/alpha-methylstyrene/acrylic acid) (SAA), was found to influence the dynamic mechanical behavior of the films. The dynamic properties of PBMA latex films postadded with SAA show two distinct damping peaks, which correspond to those of PBMA and SAA, respectively, in the phase-separated state. The SAA migrates onto film surface during film formation and, as a result SAA preserved their domains in the matrix phase, showing two distinct relaxations in the dynamic mechanical spectrum. On the other hand, the ASR-fortified films exhibit single damping peak. SAA-fortified latex particles would be core/shell structured, and the miscibility between PBMA and SAA is clearly improved by the grafting reaction between PBMA and SAA. (C) 2000 John Wiley & Sons, Inc. [References: 20]
机译：研究了后添加碱溶性树脂（ASR）的聚甲基丙烯酸正丁酯（PBMA）乳胶膜的动态力学性能，并将其与在ASR（ASR强化乳胶）存在下通过乳液聚合制备的乳胶膜的动态力学性能进行了比较。 ）。 PBMA和ASR（聚苯乙烯/α-甲基苯乙烯/丙烯酸）（SAA）之间的混溶性影响了薄膜的动态力学性能。后添加SAA的PBMA乳胶薄膜的动态性能显示出两个明显的阻尼峰，分别在相分离状态下分别对应于PBMA和SAA的阻尼峰。 SAA在成膜过程中迁移到膜表面，结果SAA保留了它们在基质相中的畴，在动态机械谱中显示出两个明显的弛豫。另一方面，ASR增强膜表现出单个阻尼峰。经SAA强化的乳胶颗粒将为核/壳结构，并且PBMA与SAA之间的接枝反应明显改善了PBMA与SAA之间的混溶性。 （C）2000 John Wiley＆Sons，Inc. [参考：20]

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