中国塑料2024，Vol.38Issue(1)：21-27,7.DOI:10.19491/j.issn.1001-9278.2024.01.004
沥青路面水性聚氨酯丙烯酸热反射涂料制备
Preparation of waterborne poly(urethane acrylic)heat-reflective coatings for asphalt pavement
李宁利 1王瑞 1常紫攀 1栗培龙2
作者信息
- 1. 河北工业大学土木与交通学院,天津 300401
- 2. 长安大学道路结构与材料交通行业重点实验室,西安 710064
- 折叠
摘要
Abstract
Waterborne polyurethane(WPU)was prepared by using isophorone diisocyanate(IPDI),polypropylene gly-col(PPG)as raw materials,and it was further modified by using an acrylic monomer and a crosslinking agent to prepare the waterborne poly(urethane acrylic acid)(WPUA)lotion.The functional groups of the as-prepared WPUA were ana-lyzed by Fourier-transform infrared spectroscopy.The hardness and adhesion of the WPUA film was measured by using pencil hardness and hundred grid marking methods,respectively,and its hydrophobicity of WPUA film was tested by a water contact angle meter.The optimum formulation of the WPUA heat-reflective coating was determined through or-thogonal experimental design by taking cooling value,viscosity value,and gloss as evaluation indexes.The cooling ef-fect of the WPUA heat-reflective coating was investigated by using indoor solar radiation simulation devices and outdoor solar irradiation experiments.The results indicated that the WPUA film not only exhibited good hydrophobicity but also obtained an improvement in adhesion and hardness.The optimal preparation formulation of the WPUA heat reflective coating was determined to a WPUA lotion with 30 wt%solid content,16 wt%rutile titanium dioxide,2 wt%quartz sand,and 4%hollow glass beads.The WPUA heat-reflective coating presents a significant cooling effect both indoors and outdoors.关键词
道路工程/水性聚氨酯丙烯酸热反射涂料/红外光谱/正交试验/降温效果Key words
road works/waterborne poly(urethane acrylic acid)heat reflective coating/infrared spectrum/orthogonal experiment/cooling effect分类
化学化工引用本文复制引用
李宁利,王瑞,常紫攀,栗培龙..沥青路面水性聚氨酯丙烯酸热反射涂料制备[J].中国塑料,2024,38(1):21-27,7.
