Removable Biobased Waterborne Pressure-Sensitive Adhesives Containing Mixtures of Isosorbide Methacrylate Monomers.,Biomacromolecules

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Removable Biobased Waterborne Pressure-Sensitive Adhesives Containing Mixtures of Isosorbide Methacrylate Monomers.
Biomacromolecules ( IF 5.5 ) Pub Date : 2020-05-22 , DOI: 10.1021/acs.biomac.0c00474
Adrián Badía ₁ , Amaia Agirre ₁ , María J Barandiaran ₁ , Jose Ramon Leiza ₁

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Growing environmental concerns are enforcing sustainable recycling processes for glass substrates, especially bottles, where a fast cleaning and minimization of the use of solvents is desired. In this process, labels and adhesives are mostly removed by the addition of harsh reagents, alkaline solutions, or high temperature, increasing economic costs and harming the environment. Herein, high performance and biobased waterborne pressure-sensitive adhesives with fast removability in water have been developed using small percentages of isosorbide (derived from glucose)-based methacrylate monomers. Formulations containing 2-octyl acrylate and isobornyl methacrylate and small amounts (1 wt %) of these monomers not only yield stronger adhesive fibrils, but also promote a removability in water 6× faster than that of nonisosorbide-based counterparts. This waterborne isosorbide containing PSAs represents an alternative to current PSA formulations toward more sustainable glass recycling and reusing processes.

中文翻译：

包含异山梨醇甲基丙烯酸酯单体混合物的可移动生物基水性压敏胶粘剂。

对环境的日益关注正迫使人们对玻璃基材（尤其是瓶子）进行可持续的回收利用，其中需要快速清洁和减少溶剂的使用。在此过程中，通常通过添加刺激性试剂，碱性溶液或高温来去除标签和粘合剂，从而增加了经济成本并损害了环境。在本文中，已经开发了使用小百分比的基于异山梨醇（源自葡萄糖）的甲基丙烯酸酯单体的在水中具有快速可去除性的高性能生物基水性压敏粘合剂。包含丙烯酸2-辛酯和甲基丙烯酸异冰片酯以及少量（1 wt％）这些单体的配方不仅可产生更强的粘合原纤维，而且比非异山梨醇酯类产品在水中的清除速度快6倍。

更新日期：2020-05-22

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