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首页> 外文期刊>Coatings >Effect of N-(2-Aminoethyl)-3-Aminopropyltrimethoxysilane on the Adhesion of the Modified Silicone Tie-Coating to Epoxy Primer
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Effect of N-(2-Aminoethyl)-3-Aminopropyltrimethoxysilane on the Adhesion of the Modified Silicone Tie-Coating to Epoxy Primer

机译：N-（2-氨基乙基）-3-氨基丙基三甲氧基硅烷对改性硅氧烷粘结涂层对环氧引物的粘合性的影响

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In this work, modified silicone tie-paints were prepared in a simple way for securing adhesion between the epoxy anticorrosive primer and silicone fouling release coating. Hydroxy-terminated polydimethylsiloxane (PDMS) mixture containing fillers and accessory ingredient was prepared as base component. N-(2-Aminoethyl)-3-aminopropyltrimethoxysilane (DAMO) was mechanically mixed with other functional additives as curing component. ATR-FTIR, XPS, SEM and tensile tests were used to investigate the chemical structure, morphology and mechanical properties of the tie-coatings. It was focused on the effect of the DAMO content on the adhesion of the tie-coating to epoxy primer. Peel off and shear tests were carried out to evaluate the adhesion. The results showed that introducing DAMO can significantly improve the properties of the tie-coating. The adhesion between the tie-coating and the epoxy primer increases with the increase of DAMO content, but the excessive DAMO content will decrease the fracture strength of the tie-coating and decrease the quality of the coating. When the DAMO content in tie-coating is 1.97 wt.%, the tie-coating performs excellent in the interlaminar adhesion, shear strength and mechanical properties.
机译：在这项工作中，以一种简单的方式制备改进的有机硅粘性涂料，用于确保环氧抗腐蚀引物和硅氧烷污垢释放涂层之间的粘附性。制备含羟基封端的聚二甲基硅氧烷（PDMS）混合物作为碱组分制备填料和辅助成分。将N-（2-氨基乙基）-3-氨基丙基三甲氧基硅烷（DAMO）与其他功能性添加剂机械混合为固化组分。 ATR-FTIR，XPS，SEM和拉伸试验用于研究粘结涂层的化学结构，形态和力学性能。它的重点是DAMO含量对环氧引物的粘附涂层粘附的影响。进行剥离和剪切试验以评估粘附性。结果表明，引入DAMO可以显着改善粘结涂层的性能。粘结涂层与环氧引物之间的粘附性随比达摩含量的增加而增加，但过量的达摩含量将降低粘结涂层的断裂强度并降低涂层的质量。当粘接涂层中的DAMO含量为1.97重量％时，粘结涂层在层间粘附，剪切强度和机械性能方面具有优异的。

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