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首页> 外文期刊>Journal of inorganic and organometallic polymers and materials >Effect of Composition on Waterproofing Property of Silicone Modified Polyacrylate Emulsion-Sulphoaluminate Cement Composite Coating: Optimization by Response Surface Methodology
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Effect of Composition on Waterproofing Property of Silicone Modified Polyacrylate Emulsion-Sulphoaluminate Cement Composite Coating: Optimization by Response Surface Methodology

机译：组成对有机硅改性聚丙烯酸酯乳液-硫铝酸盐水泥复合涂料防水性能的影响：响应面法优化

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摘要

Polymer-modified cementitious coatings are considered to be one of the most promising waterproofing materials. In this paper, response surface methodology (RSM) is used to optimize composition of silicone modified polyacrylate emulsion (SPA)-sulphoaluminate cement (SAC) composite coating (SSCC) based on improvement of waterproofing property. Being considered as the most important factors, the ratios of SAC to SPA, REP (redispersion emulsion powder) to SPA and SiO2 to SPA are studied. The results show that the quadratic polynomial model fits experiment data fairly well, and R-2 and Adj-R-2 values for water absorption are 0.9852 and 0.9662, respectively. The differences observed from variation of SAC/SPA and REP/SPA are extremely significant. The water absorption of SSCC decreases first and increases afterwards with increasing the ratio of SAC to SPA. And a trend caused by REP/SPA is gradually decreasing. By contrast, the factor of SiO2/SPA is not that significant. The optimal ranges, taken all factors into consideration, are 0.8-1.0 for SAC/SPA, 0.10-0.11 for REP/SPA and 1.1-1.3 for SiO2/SPA. In this case, the water absorption ratio can drop to 4.25%.
机译：聚合物改性的水泥涂料被认为是最有前途的防水材料之一。本文采用响应面法（RSM）在改善防水性能的基础上优化有机硅改性聚丙烯酸酯乳液（SPA）-硫铝酸盐水泥（SAC）复合涂料（SSCC）的成分。作为最重要的因素，研究了SAC与SPA的比例，REP（再分散乳胶粉）与SPA的比例以及SiO2与SPA的比例。结果表明，二次多项式模型很好地拟合了实验数据，吸水率的R-2和Adj-R-2值分别为0.9852和0.9662。从SAC / SPA和REP / SPA的变化中观察到的差异非常显着。 SSCC的吸水率先降低，然后随着SAC与SPA的比例增加而增加。 REP / SPA引起的趋势正在逐渐减少。相比之下，SiO2 / SPA的因子并不那么重要。考虑到所有因素，最佳范围是SAC / SPA为0.8-1.0，REP / SPA为0.10-0.11和SiO2 / SPA为1.1-1.3。在这种情况下，吸水率可降至4.25％。

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  • 作者

    Liu Honghua; Zhao Piqi; Lu Lingchao; Wang Shoude; Chen Mingxu; Cheng Xin;

  • 作者单位

    Univ Jinan, Shandong Prov Key Lab Preparat & Measurement Bldg, Jinan 250022, Shandong, Peoples R China;

    Univ Jinan, Shandong Prov Key Lab Preparat & Measurement Bldg, Jinan 250022, Shandong, Peoples R China;

    Univ Jinan, Sch Mat Sci & Engn, Jinan 250022, Shandong, Peoples R China;

    Univ Jinan, Shandong Prov Key Lab Preparat & Measurement Bldg, Jinan 250022, Shandong, Peoples R China;

    Univ Jinan, Shandong Prov Key Lab Preparat & Measurement Bldg, Jinan 250022, Shandong, Peoples R China;

    Univ Jinan, Shandong Prov Key Lab Preparat & Measurement Bldg, Jinan 250022, Shandong, Peoples R China|Univ Jinan, Sch Mat Sci & Engn, Jinan 250022, Shandong, Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Polymer; Sulphoaluminate cement; Coating; Water absorption; RSM;

    机译：聚合物;硫铝酸盐水泥;涂料;吸水率;RSM;

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