UPVC异型材变色原因及其预防研究

Discoloration Reasons and Its Preventative Measures for UPVC Profile

介绍了硬聚氯乙烯异型材(以下简称塑型材)在储存、成窗的过程中产生变色的原因及其预防措施;同时筛选了不易产生色斑的塑型材配方,取代了原有易生成色斑的塑型材配方。

The discoloration reasons and its preventative measures for the storage and manufacturing of unplasticized polyvinyl chloride(UPVC) profile were introduced. The formultation that may not cause color stains in plastics profile was chosen and obtained. The new formulation alternated the origin formultation that cause color stains easily.