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- Keywords D;L-lactic acid （D;L-LA）;L-lactic acid （L-LA）;Direct melt copolycondensation;Biodegradable polymer;Poly（lactic acid-glycolic acid） （PLGA）;Reaction mechanism; 外消旋乳酸（D;L-LA）;左旋乳酸（L-LA）;直接熔融共聚;生物降解高分子;乳酸乙醇酸共聚物（PL-GA）;反应机理;
- direct melt copolycondensation 直接熔融聚合
- A series of polyester based liquid crystalline ionomers(LCI) with various sulfonate group content were prepared from p acetoxybenzoic acid and sulfonated PET ionomers through melt copolycondensation. 对乙酰氧基苯甲酸与含磺酸基PET离聚物通过熔融共缩聚反应,获得一系列不同离子含量的液晶离聚物。
- Poly (propylene carbonate) (PPC)/organic montmorillonite (OMMT) composite were prepared by direct melt intercalation. 通过熔融插层法制备了聚碳酸亚丙酯(PPC)/有机蒙脱土(OMMT)复合材料。
- Poly(propylene carbonate) (PPC)/organophilic montmorillonite (OMMT) nanocomposites were prepared by direct melt intercalation. 通过熔融插层法制备了聚碳酸亚丙酯(PPC)/有机蒙脱土(OMMT)纳米复合材料。
- The direct melt polymerization of poly(lactic acid-co-caprolactone) was studied by orthogonal experiment and SPSS software. 应用正交实验及SPSS统计软件研究聚乳酸-己内酯直接熔融聚合工艺。
- Starting from lower molecular weight poly(D,L-lactic acid)(PDLLA) produced by direct melt polycondensation of D,L-lactic acid(D,L-LA),poly(lactic acid) drug delivery material was synthesized through diisocyanate chain extension. 以外消旋乳酸(D,L-LA)直接熔融聚合得到的低相对分子质量聚外消旋乳酸(PDLLA)为原料,通过二异氰酸酯扩链合成了聚乳酸类药物缓释材料。
- Polypropylene/nano-montmorillonite (PP/MMT)nano composite was prepared by direct melting intercalation method.Mechanical properties and melt flow rate were measured. 通过直接熔融插层法制得聚丙烯/纳米蒙脱土复合材料,测量了复合材料的力学性能及熔体流动速率。
- Direct melt condensation polymerization 直接熔融缩聚
- Keywords poly（lactic acid）-polyethylene glycol;melt copolycondensation;solid state polycondensation; 聚乳酸-聚乙二醇;熔融共聚;固相聚合;
- She cast her eyes down to avoid direct eye contact. 她垂下双目以避免对视。
- I'll book you on a direct flight to London. 我将为你预订直飞伦敦的航班。
- He has chosen the most direct route. 他选取了最直的路线。
- This text investigeted direct melting od Al-Si alloy. The results show advantage and opertion feasibility of the direct melting. The problems needing attention in opration were given. 通过对铝硅合金直接熔炼的研究,说明了铝硅合金直接熔炼的优点及操作的可行性,并指明了操作中应注意的问题。
- She's very direct, believes in speaking her mind. 她为人直率，喜欢有什么说什么。
- Can you direct me to the shoe department? 请告诉我卖鞋部在哪里。
- Be there a direct train for Beijing to Nanning? 从北京到南宁有直达车吗？
- melt copolycondensation 溶融共聚
- See that direct heat does not play on it. 当心别让它直接受热。
- It's a long way by road the train is more direct. 走公路很远--乘火车近。
