Shanghai Daoqin Plastics Co., Ltd.

以硫二甘 alcohol and 3, 5·二叔丁基．4．羟基苯基 acrylic ester is raw materials, combined formed new type antioxidant ——2, 2’一硫代 di [3一(3, 5．二叔丁基．4．羟基苯基)丙 acid ester ](简称SKY一1035), 并讨论 raw materials ratio, true degree and temperature degree and other factors for rate effect/influence. will product used for crosslinked polyethylene (PE) insulation material and other plastics material in experiment/testing, obtain relatively good resistant oxidation 结果, combined formed process combined 理, product quality stability, tool has good application outlook/prospects. 　 antioxidant is has reduce polymer/macromolecule material oxidation reaction speed degree, polymer/macromolecule material aging degradation process, improve/increase polymer/macromolecule material use lifespan and value chemical industry additives. 随 石油 chemical industry polymer/macromolecule combined formed industrial development and 橡胶, plastics products a large amount of 而广泛 use, antioxidant demand and amount day growth, and 不断出现 new type and specialized type antioxidant product types. 　 antioxidant SKY-1035 is types ether type type antioxidant, its Scientific Names is: 2, 2’-硫代 di [3-(3, 5-二叔丁基4-羟基苯基)丙 acid ester ]. antioxidant SKY．1035 separation in has antioxidant retardant 酚基团, also has antioxidant low combined 价硫(S)原子, used for 顺丁, 丁苯, 天然橡胶 and polyolefin, polystyrene (PS), ABS, polyurethane ester and other polymer/macromolecule material in, tool has very good anti hot oxygen aging function. in inner, due to product raw materials 源受限 made, production and application amount very low. add formed additives research development research, 摸索出一 sleeve/set relatively is combined formed methods and process, in 300t／a production plant/unit upper 进行试 production, relatively industrial combined formed conditions. 　l antioxidant SKY-1035 property 　 antioxidant SKY-1035 separation is C38H58 O6S, molecular weight is 642．95, 英文名称 is: 2, 2’一thiobis[ethyl-3-(3, 5-di-tert-butyl-4-hydroxypheny1)propionate]. antioxidant SKY．1035 is white or color crystallization powder 末, melting point t>63℃(2. easy solvent 于甲苯, ketone and other has machine solvent agent. 　2 reaction principle, raw materials and device 　 antioxidant SKY一1035 is 由3, 5一二叔丁基_4一羟基苯基 acrylic ester (简称3, 5一甲 ester) and 硫代二甘 alcohol in temperature degree and pressure lower combined formed. 　2．1 reaction 方程式 　2．3．2 仪 device equipment 　 add hot reaction 釜, crystallization 釜, true 空泵, device, machine, drying device and other. liquid versus color 谱, separation light light degree 计, melting point 测定仪.