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前报(1) 对云南省热带作物科学研究所试制的快速凝固烟片胶的基本性能作过鉴定。发现以橡胶种子油钠皂和氯化钙作凝固剂的烟片胶,其灰分、水溶物及钙含量都比较高,焦烧时间比较短,但其主要物理机械性能和一般实验室老化性能都不低于正常生产的烟片胶。今年热带作物研究所对凝固剂和制胶工艺又作了改进,我所于今年九月份收到改进后的烟片胶样
Formerly reported (1) The Yunnan Institute of Tropical Crops experimental rapid-solidified tobacco film was identified the basic properties. Found that the rubber seed oil sodium soap and calcium chloride as the coagulant of tobacco plastic sheet, the ash, water-soluble and calcium content is relatively high, scorch time is relatively short, but its main physical and mechanical properties and general laboratory aging properties are Not less than the normal production of tobacco glue. This year, the Tropical Crops Institute has made some improvements to the coagulant and rubber-making process. In September this year,