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DBM和Ca(DBM)_2辅助热稳定剂的性能研究 被引量:1

Research on the Properties of DBM and Ca(DBM)_2 Auxiliary Heat Stabilizers
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摘要 将两种辅助热稳定剂二苯甲酰甲烷(DBM)和二苯甲酰甲烷钙(Ca(DBM)_2)的热稳定效果进行对比,紫外可见光谱法(UV-VIS)分析结果表明,DBM和Ca(DBM)_2都是良好的紫外吸收剂,而Ca(DBM)_2的吸收范围更大;静态热稳定实验和自然老化实验验证,DBM和Ca(DBM)_2在PVC加工和应用过程中都具有良好的热稳定性,而Ca(DBM)_2热稳定剂性更优良,并且可以抑制制品变红。 The thermal stabilization effects of the two auxiliary thermal stabilizers, dibenzolmethane (DBM) and dibenzolmethane calcium ( Ca ( DBM ) 2 ), were compared, ultra violet visible spectroscopy ( UV- VIS) results show that DBM and Ca(DBM) 2 are good UV absorbers, while Ca(DBM) 2 has a larger absorption range. The static thermal stability experiment and the natural aging experiment show that DBM and Ca(DBM) 2 have good thermal stability in PVC processing and application,but Ca(DBM) 2 has better thermal stability and can suppress reddening of products.
出处 《塑料助剂》 2017年第2期45-47,共3页 Plastics Additives
关键词 二苯甲酰甲烷(DBM) 二苯甲酰甲烷钙(Ca(DBM)2) 热稳定性 dibenzolmethane (DBM) dibenzolmethane calcium Ca (DBM) 2 thermal stability
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