Flame retardancy of a high polymerization degree PVC, plasticizer and flame retardant elastomer is studied. 研究了高聚合度聚氯乙烯树脂与增塑剂及阻燃剂共混弹性体材料的阻燃性能。
The paper probes into the influencing factors of cotton linter pulp's polymerization degree under different cooking conditions. 研究了不同的蒸煮工艺条件下各因素对棉短绒浆聚合度的影响情况。
