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橡塑技术与装备 CHINA RUBBER/PLASTICS TECHNOLOGY AND EQUIPMENT

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The influence of different external lubricants on the properties of high
transparency and hard medical PVC materials

Jiang Shuai, Gao Yu, Li Lina, Zhang Xinzhe, Wang Guofeng
(Henan Tuoren Zhongke Medical Technology Co. LTD., Xinxiang 453400, Henan, China)

Abstract: By adjusting the types of lubricants in the formula system of high transparency hard medical
PVC, the influence of them on the optical properties, rheological properties, and mechanical properties of
high transparency hard medical PVC materials was studied. The results indicate that in the highly transparent
and rigid PVC system, under good plasticizing conditions, the choice of external lubricant has little effect on its
mechanical properties. Using oxidized polyethylene wax as an external lubricant, while minimizing its impact
on transparency, it maximizes the improvement of its melt flowability and processability, resulting in the best
effect.
Key words: hard PVC; external lubricant; optical performance; rheological properties; mechanical
property
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韩国终止对华苯乙烯反倾销调查
South Korea terminates anti-dumping investigation on styrene from China

2024 年 8 月 29 日，韩国贸易委员会发布第 2024-15 号公告（调查号 23-2024-2）称，鉴于韩国申请方韩
华道达尔能源株式会社和丽川 NCC 株式会社提交撤销反倾销调查的申请，决定终止对原产于中国苯乙烯（Styrene
Monomer）的反倾销调查。涉案产品的韩国税号为 2902.50.0000。
2024 年 4 月 9 日，韩国贸易委员会发布公告（调查号 23-2024-2）称，应韩国企业韩华道达尔能源株式会
社和丽川 NCC 株式会社申请，对原产于中国的苯乙烯启动反倾销调查。
摘编自 “ 中国贸易救济信息网 ”

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