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岳陽森科化工有限公司

產品中心
甘油三苯甲酸酯

【物理化學特性】

中文別名:三苯精;1,2,3-丙三醇三苯甲酸酯;簡稱GTB;

英文別名:1,2,3-Propanetriol, 1,2,3-tribenzoate;1,2,3-Propanetriol, tribenzoate; Glycerol tribenzoate; Tribenzoin; propane-1,2,3-triyl tribenzoate。

分子式::C24H20O6

分子量::404.41

CAS號:614-33-5

它是一種結晶性固體,熔點68-72℃,沸點548.9℃(760mmHg),閃點238.1℃(開口),著火點240℃,密度1.243(20℃),蒸汽壓:4.23E-12mmHg at 25°C

GTB不溶于水,在丙酮、酯類、芳烴或氯代有機溶劑中部分溶劑,加熱可提高溶解度,在脂肪族溶劑中溶解度降低。與許多聚合物都有較好的相容性。它對乙烯基樹脂和丙烯酸樹脂的增塑性能與鄰苯二甲酸二環己酯相似,耐紫外線,對熱降解穩定。是很重要的一種非鄰苯類固體增塑劑。

【毒性】

大鼠經口LD50大于11.7g/kg體重。FDA法規列為可作食品包裝粘合劑。

【用途】

甘油三苯甲酸酯是很重要的一種非鄰苯類固體增塑劑,與許多聚合物都有較好的相容性。它對乙烯基樹脂和丙烯酸樹脂的增塑性能與鄰苯二甲酸二環己酯相似,耐紫外線,對熱降解穩定。當用于乙酸纖維素的增塑劑時,用量可達20%,此時可制得有彈性的薄膜。用量為25%-50%時的甘油三苯甲酸酯與PVC、聚醋酸乙烯酯、聚甲基丙烯酸酯、硝酸纖維素、乙酸丁酸纖維素、乙基纖維素、聚苯乙烯等聚合物的相容性很好;甘油三苯甲酸酯GTB作為新型環保固體增塑劑和化工助劑,室溫時可便可增加制品的柔軟性;作為加工助劑或增塑劑,可以在升溫時降低粘度,增強粘著力或熱合強度。


甘油三苯甲酸酯

【返回】

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