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首页> 外文期刊>JCT research >Combinatorial approach to study the effect of acrylic polyol composition on the properties of crosslinked siloxane-polyurethane fouling-release coatings
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Combinatorial approach to study the effect of acrylic polyol composition on the properties of crosslinked siloxane-polyurethane fouling-release coatings

机译：组合方法研究丙烯酸多元醇组合物对交联硅氧烷-聚氨酯结垢释放涂料性能的影响

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摘要

The effect of acrylic polyol composition on the properties of crosslinked siloxane-polyurethane coatings was explored. An acrylic polyol library was synthesized using batch solution polymerization and characterized using high-throughput gel permeation chromatography (Rapid-GPC) and differential scanning calorimetry (DSC). Siloxane-polyurethane coatings were prepared from 3-aminopropyl-terminated poly(dimethylsiloxane) (PDMS), the acrylic polyols and a polyisocyanate crosslinker. The siloxane-acrylic-polyurethane coatings were tested for mechanical and physical properties. The siloxane-polyurethane coatings had a systematic variation in glass transition temperature and had water contact angles ranging from 95° to 100°. Many of the coatings also showed a low-force of release in the pseudo-barnacle pull-off adhesion test. Performance testing of the fouling-release properties of the siloxane-polyurethane coatings on array panels with algae, namely the diatom Navicula and sporelings (young plants) of the green seaweed Ulva was also conducted.
机译：探索了丙烯酸多元醇组合物对交联硅氧烷-聚氨酯涂料性能的影响。使用间歇溶液聚合合成丙烯酸多元醇文库，并使用高通量凝胶渗透色谱（Rapid-GPC）和差示扫描量热法（DSC）对其进行表征。由3-氨基丙基封端的聚（二甲基硅氧烷）（PDMS），丙烯酸多元醇和聚异氰酸酯交联剂制备硅氧烷-聚氨酯涂料。测试了硅氧烷-丙烯酸-聚氨酯涂料的机械和物理性能。硅氧烷-聚氨酯涂料的玻璃化转变温度发生系统性变化，水接触角范围为95°至100°。在假藤壶剥离附着力测试中，许多涂料还显示出低释放力。还对带有藻类的阵列面板上的硅氧烷-聚氨酯涂料的结垢释放性能进行了性能测试，藻类即绿藻Ulva的硅藻Navicula和孢子（幼小植物）。

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