Silane terminated prepolymers for adhesives, sealants and coatings are of </span></span><span><span><span style="font-family:"">great <span>industrial importance. The...Silane terminated prepolymers for adhesives, sealants and coatings are of </span></span><span><span><span style="font-family:"">great <span>industrial importance. They are very important because of their low toxicity</span><span> over polyurethanes, silicones, and solvent-based products. Hence</span>, many pieces of literature which deal with the synthesis, properties and applications of this Si<span>lane terminated polymers hybrid system exist. Silylated polyether (MS polymers) </span>and Silylated Polyurethane Polymers (SPUR) are the bases for nu<span>merous sealants, adhesives and coatings used worldwide. A hybrid system mixed with </span><span>organic-polyurethane proportion and inorganic-alkoxysilane proportion</span> <span>com</span>bines the benefits of conventional polyurethane and silicone-based products.<span> This article reviews the chemistry of MS polymers and SPUR and their</span> <span>ad</span><span>vantages and disadvantages in silyl terminated prepolymer-based adhesives</span>, sea<span>lants and coatings as well as provides information on different end applications.展开更多
以硅烷作偶联剂,以硅氧基湿气固化代替异氰酸酯基湿气固化合成硅烷改性聚氨酯(SPU)预聚体,再加入硅烷粘接促进剂、硅烷干燥剂和其他成分制备性能优良的密封胶。异氟酸酯、多元醇、硅烷等原材料的选择以及异氰酸酯基与羟基的配比是影响 S...以硅烷作偶联剂,以硅氧基湿气固化代替异氰酸酯基湿气固化合成硅烷改性聚氨酯(SPU)预聚体,再加入硅烷粘接促进剂、硅烷干燥剂和其他成分制备性能优良的密封胶。异氟酸酯、多元醇、硅烷等原材料的选择以及异氰酸酯基与羟基的配比是影响 SPU 密封胶性能的主要因素。目前的研究重点是开发硅烷新产品并用于制备高性能的改性 PU 密封胶,扩大已有硅烷改性 PU 密封胶的应用领域。展开更多
文摘Silane terminated prepolymers for adhesives, sealants and coatings are of </span></span><span><span><span style="font-family:"">great <span>industrial importance. They are very important because of their low toxicity</span><span> over polyurethanes, silicones, and solvent-based products. Hence</span>, many pieces of literature which deal with the synthesis, properties and applications of this Si<span>lane terminated polymers hybrid system exist. Silylated polyether (MS polymers) </span>and Silylated Polyurethane Polymers (SPUR) are the bases for nu<span>merous sealants, adhesives and coatings used worldwide. A hybrid system mixed with </span><span>organic-polyurethane proportion and inorganic-alkoxysilane proportion</span> <span>com</span>bines the benefits of conventional polyurethane and silicone-based products.<span> This article reviews the chemistry of MS polymers and SPUR and their</span> <span>ad</span><span>vantages and disadvantages in silyl terminated prepolymer-based adhesives</span>, sea<span>lants and coatings as well as provides information on different end applications.
文摘以硅烷作偶联剂,以硅氧基湿气固化代替异氰酸酯基湿气固化合成硅烷改性聚氨酯(SPU)预聚体,再加入硅烷粘接促进剂、硅烷干燥剂和其他成分制备性能优良的密封胶。异氟酸酯、多元醇、硅烷等原材料的选择以及异氰酸酯基与羟基的配比是影响 SPU 密封胶性能的主要因素。目前的研究重点是开发硅烷新产品并用于制备高性能的改性 PU 密封胶,扩大已有硅烷改性 PU 密封胶的应用领域。