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首页> 外文期刊>Journal of Applied Polymer Science >Two-component acrylic structural adhesive initiated by tributylborane for untreated PET adhesion
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Two-component acrylic structural adhesive initiated by tributylborane for untreated PET adhesion

机译：由Tributylborane引发的双组分丙烯酸结构粘合剂用于未处理的PET粘附

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摘要

In order to improve the adhesion strength of acrylic adhesive to untreated poly(ethylene terephthalate) (PET) substrate, two-component acrylic structural adhesives initiated by tributylborane were prepared. The effects of acrylic monomers, elastomers, decomplexers, and oligomers on the adhesion properties of two-component acrylic structural adhesive were investigated in sequence. It is found that the shear strength on PET of adhesives toughened by acrylonitrile-butadiene-styrene copolymer and carboxyl-terminated butadiene-acrylonitrile copolymer is higher than that of commercial adhesives Dp8010NS and Loctite 3030. A tailored oligomer was synthesized from hydroxyl propyl-terminated polydimethylsiloxane and 3-isopropenyl-,-dimethylbenzyl isocyanate. It is also noticed that premature failure usually takes place in the lap shear test samples due to the brittleness of the acrylic adhesive, except in the sample of adhesive modified by tailored oligomer. Excellent adhesion to the PET substrate is achieved by this adhesive modified by tailored oligomer, with a lap shear strength above 11 MPa and T-peel strength up to 5.34N/mm. Additionally, the resulting adhesive is qualified for the structural bonding of PET materials. (c) 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 46612.
机译：为了提高丙烯酸粘合剂对未处理的聚（乙二醇酯）（PET）基底的粘附强度，制备由丁香硼烷引发的双组分丙烯酸结构粘合剂。序列研究了丙烯酸类单体，弹性体，解用子和低聚物对双组分丙烯酸结构粘合剂的粘附性能的影响。结果发现，丙烯腈 - 丁二烯 - 苯乙烯共聚物和羧基封端的丁二烯 - 丙烯腈共聚物增韧的粘合剂上的剪切强度高于商业粘合剂DP8010ns和浮晶3030μm。由羟基丙基封端的聚二甲基硅氧烷合成定制的低聚物和3-异丙苯基 - ， - 二甲基苄基异氰酸酯。还注意到，由于丙烯酸粘合剂的脆性，通常在搭接剪切试验样品中发生过早发生故障，但是通过定制的低聚物改性的粘合剂样品。通过由定制的低聚物改性的该粘合剂来实现对PET基材的优异粘附性，搭接剪切强度高于11MPa和高达5.34N / mm的T-剥离强度。另外，所得粘合剂有资格用于PET材料的结构粘合。 （c）2018 Wiley期刊，Inc.J.Phill。聚合物。 SCI。 2018,135,46612。

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