Abstract Structure-formulation-property relationships for crosslinkable core-shell latexes were studied initially using high throughput screening methods and then using conventional experimental methods to determine optimum coating formulations. Two approaches that are used within coatings technology to improve sustainability are reduction in volatile organic compounds (VOC) and reduction in energy needed to cure coatings. Hybrid crosslinkable core-shell latexes have shown potential in meeting these challenges where film properties provided by particle coalescence are not sufficient and chemical crosslinking is needed. However, with numerous parameters involved such as latex particle architecture, nature and amount of crosslinker, and curing conditions, the screening of formulations via conventional coating testing methods becomes laborious and time-consuming. The results from high-throughput dye extraction and puncture testing were compared to data from conventional testing methods such as chemical resistance (MEK double rubs), pendulum hardness, and tensile testing to identify correlations. The dye extraction results have shown a strong correlation to solvent resistance and pendulum hardness data whereas toughness from puncture testing data correlated to tensile testing. Both high throughput dye extraction and puncture testing methods can be used for the accelerated screening of crosslinkable coating formulations to optimize curing parameters to achieve the best coating performance.

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使用高通量筛选方法研究双功能可交联乳胶

摘要 首先使用高通量筛选方法研究了可交联核壳胶乳的结构-配方-性能关系，然后使用常规实验方法确定最佳涂料配方。涂料技术中用于提高可持续性的两种方法是减少挥发性有机化合物 (VOC) 和减少固化涂料所需的能量。混合可交联核壳胶乳已显示出应对这些挑战的潜力，其中颗粒聚结提供的薄膜性能不足，需要化学交联。然而，由于涉及许多参数，例如乳胶颗粒结构、交联剂的性质和数量以及固化条件，通过传统的涂层测试方法筛选配方变得既费力又费时。将高通量染料提取和穿刺测试的结果与传统测试方法的数据进行比较，例如耐化学性（MEK 双摩擦）、摆锤硬度和拉伸测试，以确定相关性。染料提取结果与耐溶剂性和摆锤硬度数据有很强的相关性，而穿刺测试数据的韧性与拉伸测试相关。高通量染料提取和穿刺测试方法均可用于可交联涂料配方的加速筛选，以优化固化参数以实现最佳涂料性能。将高通量染料提取和穿刺测试的结果与传统测试方法的数据进行比较，例如耐化学性（MEK 双摩擦）、摆锤硬度和拉伸测试，以确定相关性。染料提取结果与耐溶剂性和摆锤硬度数据有很强的相关性，而穿刺测试数据的韧性与拉伸测试相关。高通量染料提取和穿刺测试方法均可用于可交联涂料配方的加速筛选，以优化固化参数以实现最佳涂料性能。将高通量染料提取和穿刺测试的结果与传统测试方法的数据进行比较，例如耐化学性（MEK 双摩擦）、摆锤硬度和拉伸测试，以确定相关性。染料提取结果与耐溶剂性和摆锤硬度数据有很强的相关性，而穿刺测试数据的韧性与拉伸测试相关。高通量染料提取和穿刺测试方法均可用于可交联涂料配方的加速筛选，以优化固化参数以实现最佳涂料性能。染料提取结果与耐溶剂性和摆锤硬度数据有很强的相关性，而穿刺测试数据的韧性与拉伸测试相关。高通量染料提取和穿刺测试方法均可用于可交联涂料配方的加速筛选，以优化固化参数以实现最佳涂料性能。染料提取结果与耐溶剂性和摆锤硬度数据有很强的相关性，而穿刺测试数据的韧性与拉伸测试相关。高通量染料提取和穿刺测试方法均可用于可交联涂料配方的加速筛选，以优化固化参数以实现最佳涂料性能。