1) in situ copolymerization

原位共聚
1.
Study on aluminum pigment encapsulated by in situ copolymerization of styrene-maleic anhydride;
苯乙烯—马来酸酐原位共聚包覆铝颜料的研究
2.
In order to improve its anticorrosion property, aluminum pigment was encapsulated by in situ copolymerization of acrylic acid and styrene.
结果表明:丙烯酸-苯乙烯原位共聚包覆铝粉能够极大地改善铝粉的耐腐蚀性能;其优化条件是:反应温度为85℃、反应时间为1h、m(丙烯酸+苯乙烯)/m(Al)为15%、聚乙烯吡咯烷酮用量为1。
3.
The development direction of ethylene in situ copolymerization was proposed.

综述了乙烯原位共聚法制备线性低密度聚乙烯研究的新进展。
2) in-situ copolymerization

原位共聚
1.
The recent research advances in the preparation of linear low density polyethylene(LLDPE) have been reviewed, including the “comonomer effect”, the in-situ copolymerization of ethylene and LLDPE synthesized through “chain walking” mechanism using late transition metal catalysts etc.
综述了近年来线性低密度聚乙烯合成的主要研究进展 ,包括乙烯与α 烯烃共聚合的“共单体效应” ,乙烯“原位共聚”和后过渡金属催化剂催化乙烯聚合制备线性低密度聚乙烯等新方法。
3) in-situ copolymerization

原位共聚合
1.
This paper studied ethylene oligomerization catalyzed by {2-[2-Me-4-OMe-C_6H_3N=C(Me)]_2C_5H_3N}CoCl_2 (catalystⅠ) and ethylene in-situ copolymerization catalyzed by a compound system consisting of catalystⅠ, metallocene catalyst Et [Ind]_2ZrCl_2 (catalystⅡ),Me_2Si [Ind]_2ZrCl_2,(catalystⅢ) and Me_2Si[2-Me-Ind]_2ZrCl_2 (catalystⅣ) in the presence of methylaluminoxane (MAO) as co-catalyst.
研究了{2-[2-Me-4-OMe-C_6H_3N=C(Me)]_2C_5H_3N}CoCl_2(催化剂1)催化乙烯齐聚合以及它与不同茂金属催化剂Et[Ind]_2ZrCl_2(催化剂2)、Me_2Si[Ind]_2ZrCl_2(催化剂3)和Me_2Si[2-Me-Ind]_2ZrCl_2(催化剂4)复配,以甲基铝氧烷(MAO)为助催化剂催化乙烯原位共聚合。
4) copolymerization in-situ

齐聚-原位共聚
5) oligomerization and insitu copolymerization

齐聚和原位共聚
1.
The results indicate that the complex catalysts have the performance of oligomerization and insitu copolymerization.
结果表明,Ni(acac)2/TiCl4/L复合催化剂有良好的齐聚和原位共聚性能,催化单一乙烯聚合获得了熔点和结晶度较低的中、低密度支化聚乙烯;其中配体L有很好的提高产物支化度的作用,得到支化度为4~12的支化聚乙烯。
6) in-situ blend polymerization

原位共混聚合
1.
Styrene,surfactant and selected superabsorbent polymers were mixed and the in-situ blend polymerization of styrene was carried out when the initiator benzoperoxide was added.
采用乳液聚合法合成了一系列不同单体组成的高吸水树脂,选取吸水树脂与苯乙烯、表面活性剂组成聚合体系,用过氧化苯甲酰引发进行原位共混聚合,制备遇水崩解型聚苯乙烯,并考察了吸水树脂的种类、吸水倍率对崩解材料崩解性的影响。
2.
Styrene, surfactant and superabsorbent polymers weremixed and the in-situ blend polymerization of styrene was carried out when theinitiator benzoperoxide was added.
将制备的吸水树脂与苯乙烯、表面活性剂(Span-80)组成聚合体系,用过氧化苯甲酰引发进行原位共混聚合,制得遇水崩解型聚苯乙烯。
补充资料:氯乙烯和乙烯僧酸乙烯共聚物接枝共聚物
分子式:
CAS号:
性质:为在乙烯/醋酸乙烯共聚物(EVA)之大分子链上进行氯乙烯接枝共聚后得到之产品,按EVA中醋酸乙烯含量不同和接枝共聚物中EVA含量不同以及分子量大小,分为冲击改性剂用、硬质和软质品用三类。作冲击改性剂用和软质品用者多为EVA中VAC含量45%,EVA含量为50%。主要用于防水卷材、医用制品、电缆、记录材料和与PVC共混后作门窗型材。硬质品用者为EVA中VAC含量为15%,EVA含量5%~10%。除接枝物外含聚氯乙烯均聚物。可直接用作门窗型材和管材,冲击强度比一般PVC可提高4倍以上,将EVA溶于或分散于氯乙烯单体中进行悬浮聚合制得。
CAS号:
性质:为在乙烯/醋酸乙烯共聚物(EVA)之大分子链上进行氯乙烯接枝共聚后得到之产品,按EVA中醋酸乙烯含量不同和接枝共聚物中EVA含量不同以及分子量大小,分为冲击改性剂用、硬质和软质品用三类。作冲击改性剂用和软质品用者多为EVA中VAC含量45%,EVA含量为50%。主要用于防水卷材、医用制品、电缆、记录材料和与PVC共混后作门窗型材。硬质品用者为EVA中VAC含量为15%,EVA含量5%~10%。除接枝物外含聚氯乙烯均聚物。可直接用作门窗型材和管材,冲击强度比一般PVC可提高4倍以上,将EVA溶于或分散于氯乙烯单体中进行悬浮聚合制得。
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参考词条