以杂多酸为催化剂制备三聚甲醛通过中试鉴定以杂多酸为催化剂制备三聚甲醛，是吉林省科委重大攻关项目。三聚甲醛是合成聚甲醛的单体，而聚甲醛（ＰＯＭ）是工程塑料四大品种之一，性能优异，具有很高的刚度、硬度，极好的耐疲劳性、耐磨性、尺寸稳定性、电绝缘性等特点，... Preparation of trioxymethylene with heteropolyacid as catalyst The preparation of trioxymethylene by heteropolyacid as catalyst through the pilot-scale test was a major research project of Science and Technology Commission of Jilin Province. Trioxymethylene is a monomer for the synthesis of polyoxymethylene, and polyoxymethylene (POM) is one of the four major engineering plastic varieties with excellent properties, high stiffness, hardness, excellent fatigue resistance, wear resistance, dimensional stability Sexual, electrical insulation and other characteristics, ...