lactide
英音[ ˈlæktaɪd ] 美音[ ˈlæktaɪd ]

丙交酯

常用释义

词性释义

n.

丙交酯;[有化] 交酯
例句
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蒸馏塔(29),其用于对在解聚装置中生成为气相的丙交酯进行冷凝。
Bioresorbable poly(l-lactide) screws were used for fixation of the acetabular bone grafts to prevent any possible delayed remodeling.
我们应用生物可吸收接骨材料左旋聚丙交酯螺钉固定髋臼骨移植物以防止可能的滑脱。
聚(的DL-乳酸)不同于其他研究聚酯,连锁后的重量损失率开始上升断裂。
用活性炭对L-丙交酯粗品进行脱色比用沉淀法脱色效果好,收率较高。
以乳酸为单体,采用先缩聚后解聚的方法制备了L-丙交酯。
研究了D,L-丙交酯在浓硫酸催化作用下,与乙醇进行酯交换反应合成乳酸乙酯。
由乳酸经丙交酯合成聚乳酸是聚乳酸的主要生产途径。
本文研究了丙交酯酸的聚合条件,用DSC和TGA表征了聚合物的热性能。
The results from melting point tests, IR spectrum and solubility tests show that the product is DL-lactide.
对产物进行了熔点测定、红外光谱和溶解度测定分析,证明与DL-丙交酯的结构相符合。
So here we will take the way of the Equal Channel Angular Extrusion (ECAE) to process poly(D, L-lactide) to improve its properties.
本研究采用等通道转角挤压技术对聚(D,L-)乳酸进行自增强研究,并测试其增强后的降解性能。
研究了D,L-丙交酯在浓硫酸催化作用下与正丁醇进行酯交换反应合成乳酸丁酯的条件。
Poly (L-lactide) (PLLA) prepared by ring-opening polymerization with L-lactide acid material.
以L-乳酸为原料,采用丙交酯开环聚合法合成聚L-乳酸(PLLA)。
聚乳酸的合成主要有两种方法:丙交酯的开环聚合和乳酸直接缩聚。
聚乳酸的合成主要有两种方法:乳酸直接缩聚和丙交酯的开环聚合。
本文对丙交酯开环聚合合成聚乳酸的工艺进行了研究。
A low molecular weight poly(DL lactide) containing carbon carbon bonds was synthesized from DL lactide, glycerin and fumaric acid.
由丙三醇、丙交酯和反丁烯二酸制得一含碳碳双健的低分子量聚酯。
对聚丙交酯的合成和热稳定性进行了研究。
实验表明在高于聚合物熔点温度以上,聚丙交酯表现出热不稳定性。
The crude product was purified with Ethanol by re-crystallization. A kind of high yield and high purity DL-lactide was got.
用重结晶对粗产物进行纯化,制备出高产率、高纯度的DL-丙交酯。
D, L-lactide was prepared from D, L-lactic acid with zinc acetate as catalyst, crude yield was 86.
以D,L-乳酸为原料,在催化剂乙酸锌存在下,通过脱水环化,制备出粗产率为86。
the L-lactide of the ultimate total yield of 70. 66%, optical purity of 99% was received via the purification.
改进后的提纯方法可以得到最终的总产率为70.66%、光学纯度为99%的L-丙交酯。
以乳酸为原料制备了丙交酯。
通常,采用常规加工方法成型的聚(D,L-)乳酸,其机械性能不能满足临床上的使用要求。
Lactide, which was synthesized through lactic acid condensation, was polymerized to form PLA by ring-opened of lactide.
聚乳酸的制备多采用乳酸脱水生成丙交酯,然后开环聚合成聚乳酸。
减压法合成丙交酯的制备工艺优化研究
The intramedullary fixation of femoral diaphyseal fracture in rabbits with biodegradable high-strength poly-L-lactide rods
可吸收高强度左旋聚丙交酯棒固定兔股骨干骨折
L-丙交酯与环氧氯丙烷共聚物的合成与表征
羟基化合物存在下醇铁催化丙交酯开环聚合机理研究
超声强化合成丙交酯最佳工艺的研究
可吸收高强度左旋聚丙交酯螺钉内固定兔股骨髁截骨
1·Polylactic acid (PLA) is a linear aliphatic polyester produced by poly-condensation of naturally produced lactic acid or by the catalytic ring opening of the lactide group.
聚乳酸(PLA)是一种线性脂肪族聚酯的聚乳酸中自然产生的或由丙交酯开环缩合催化剂组产生。
2·This technology can not only reduce the cost of producing lactide , but also solve the pollution problems from kitchen garbage.
本工艺不但可降低丙交酯的生产成本,而且解决了厨房垃圾的环境污染问题。
3·Polylactic acid synthesis in two major ways:direct polymerization and lactate lactide ring-opening polymerization.
聚乳酸的合成方法主要有两种:乳酸直接聚合和丙交酯开环聚合。
4·The effects of the synthesis conditions such as monomer(lactide) purity, catalyst(stannous octoate) concentration, vacuum level, reaction time and temperature, were discussed.
探讨了单体丙交酯纯度、催化剂辛酸亚锡用量、反应时间、反应温度及真空度对聚合物相对分子质量的影响。
1·The invention discloses a method for continuously rectifying and purifying the lactide with high yield rate, which belongs to the field of chemical and industrial rectification and purification.
本发明公开了一种高收率连续化精馏提纯丙交酯的方法,属于化工精馏提纯领域。