Control of adhesive strength of acrylate polymers containing 1-isobutoxyethyl and isobornyl esters in response to dual stimuli for dismantlable adhesion

IF 1.68 Q2 Dentistry

Applied Adhesion Science Pub Date : 2017-02-06 DOI:10.1186/s40563-017-0085-9

Yusuke Fukamoto, Eriko Sato, Haruyuki Okamura, Hideo Horibe, Akikazu Matsumoto

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引用次数: 5

Abstract

To develop an adhesion system satisfying both constant adhesion strength during use and quick debonding ability during a dismantling process.

Adhesive properties were investigated for the random and block copolymers consisting of 1-isobutoxyethyl acrylate (iBEA), 2-ethylhexyl acrylate (2EHA), and 2-hydroxyethyl acrylate (HEA) as the dismantlable pressure-sensitive adhesives in the presence of a photoacid generator in response to dual external stimuli of photoirradiation and post baking.

The use of LED combined with a new photoacid generator SIN-11 was enable us to achieve a rapid dismantling process during UV irradiation within several minutes. The protection of the ester alkyl group in the iBEA repeating unit to give an acrylic acid unit was suppressed by the introduction of isobornyl acrylate (IBoA) as the additional unit into the copolymer of iBEA, 2EHA, and HEA. While IBoA‐containing block copolymer showed a constant adhesive strength during photoirradiation as the single external stimulus, deprotection was immediately induced by the subsequent heating, leading to a significant decrease in the adhesive strength.

The copolymer including the iBEA and IBoA units was revealed to function as the highly sensitive adhesive materials for dual-locked dismantlable adhesion.

Abstract Image

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含1-异丁基乙基酯和异硼酸酯的丙烯酸酯聚合物在可拆解黏附的双重刺激下的黏附强度控制

开发一种既能在使用过程中保持稳定的粘接强度，又能在拆卸过程中快速脱粘的粘接系统。研究了由1-丙烯酸异丁氧乙基酯(iBEA)、2-丙烯酸乙基己酯(2EHA)和2-丙烯酸羟乙基酯(HEA)组成的随机嵌段共聚物作为可拆解的压敏胶，在光照射和烘烤后的双重外部刺激下的粘接性能。LED与新型光酸发生器SIN-11的结合使用使我们能够在紫外线照射下在几分钟内实现快速拆除过程。在iBEA、2EHA和HEA共聚物中引入丙烯酸异硼酸酯(IBoA)作为附加单元，抑制了iBEA重复单元中酯烷基对丙烯酸单元的保护作用。而含IBoA的嵌段共聚物在光照射作为单一外部刺激时表现出恒定的粘附强度，随后的加热会立即引起脱保护，导致粘附强度显著下降。该共聚物包括iBEA和IBoA单元，是一种双锁可拆解黏附的高灵敏度黏附材料。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Applied Adhesion Science Dentistry-Dentistry (miscellaneous)

自引率

0.00%

发文量

审稿时长

13 weeks

期刊介绍： Applied Adhesion Science focuses on practical applications of adhesives, with special emphasis in fields such as oil industry, aerospace and biomedicine. Topics related to the phenomena of adhesion and the application of adhesive materials are welcome, especially in biomedical areas such as adhesive dentistry. Both theoretical and experimental works are considered for publication. Applied Adhesion Science is a peer-reviewed open access journal published under the SpringerOpen brand. The journal''s open access policy offers a fast publication workflow whilst maintaining rigorous peer review process.