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中国1,4-环己烷二甲醇(CHDM)行业调研与投资决策报告(2022版)
2022-07-06 14:17:00 【立木信息咨询】
内容介绍:
CHDM为白色蜡状固体,是一种重要的有机化工原料,有顺式、反式两种结构。1,4-环己烷二甲醇(CHDM)是涂料,油墨,胶黏剂,绝缘材料及一些特殊用途方面的饱和聚酯和不饱和聚酯的中间体,最大的用途在于合成PCT、PETG、PCTG新型聚酯,产品具有良好的透明性、耐冲击性、耐磨性和耐腐蚀性。
日本应用CHDM生产树脂型涂料,高性能膜片,高尖端液晶材料年需求量不断在增长,同时,其他欧洲国家的的需求量也在不断增长。
CHDM主要由对苯二甲酸二甲酯(DMT)经两步加氢反应制得,由DMT先苯环饱和加氢生成1,4-环己烷二甲酸二甲酯(DMCD),再通过酯基氢解经中间产物4-(甲氧羰基)环己烷甲醇(CMCHM)最后生成CHDM。
CHDM为DMT经两步不同的加氢反应生成,目前国内已经建设成的生产装置都是DMT外购或进口,前的市场价格下,生产1吨CHDM,所需的DMT原料成本就占到1.4万元。
国内的CHDM生产装置生产规模小,生产成本高,市场应用受制约,装置生产负荷低,形成了恶性循环。
国内CHMD主要从韩国、美国进口。国外产品(含量99%)进口零售价格为1500-1700元/kg。
国内正常开工的生产企业仅有凯凌化工(张家港)有限公司一家,其年产能2万吨/年。
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