ONE of the most promising alternatives to plastics made from oil is polylactic acid (PLA).
能够代替石油来制造塑料的最好选择是聚丙醇酸（聚乳酸纤维）。
The product is made from polylactic acid modification wollastonite composite material.
该制品是以聚乳酸改性硅 灰石复合材料为原料制成的制品。
Objective: To study the release of ciprofloxacin polylactic acid microspheres in vitro.
目的：考察环丙沙星聚乳酸微球的体外释药性能。
The synthetic methods of polylactic acid are reviewed, its status and application are introduced.
综述了聚乳酸的合成方法，介绍了其生产应用现状。
Methods : PGA non woven mesh was put into the mold of trachea cartilage ring and enforced with polylactic acid.
方法：按气管软骨环的形状制备模具，将聚乙醇酸无纺网置于模具中，用聚乳酸塑形；
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。
OBJECTIVE To study the preparation process, assay and in vitro drug release of adriamycin polylactic acid microspheres.
目的：对阿霉素聚乳酸微球的制备工艺、含量测定及体外释药特性进行初步研究。
The invention relates to a method for preparing a nanofiber bracket material using levorotatory polylactic acid as matrix.
本发明涉及以左旋聚乳酸为基质的纳米纤维支架材料的制备方法。
Objective To study the best preparation of fennel oil polylactic acid microencapsulation by emulsifying solvent-evaporation process.
目的：探讨乳化溶剂挥发法制备茴香油聚乳酸微胶囊粒子的最佳工艺。
The molecular weight of the diethylenetriamine pentaacetic acid-polyethyleneglycol-polylactic acid polymer nanoparticle is from 10000 to 50000.
二乙三胺五乙酸-聚乙二醇-聚乳酸共聚物纳米粒分子量为10000-50000。
Conclusion: The fluorouracil release from microspheres with polylactic acid as carriers was controlled by drug diffusion and polymeric erosion.
结论：氟尿嘧啶微球体外释药以药物扩散和材料降解为主。
Lactic acid is an important biochemical product and it can be used for production of many other derivatives such as polylactic acid and lactate.
乳酸是一种重要的有机酸及生物化工品，以乳酸为原料可以得到多种衍生物，如聚乳酸、乳酸盐以及乳酸酯等。
One is the arrival of much cheaper printing goop.Thermoplastics like ABS and polylactic acid cost around $30 a pound.Metal powders can cost even more.
一个进展是在打印材料方面，苯乙烯和聚碳酸酯这样的热塑性塑料是三十美元一磅，而金属材料更贵；
Objective:To study the influence of peripheral nerve regeneration through polylactic acid conduit with bletilla colloid(BC)and schwann cells(SCs).
目的：研究聚乳酸管注入白芨胶和雪旺细胞对周围神经再生的影响。
The of polylactic acid(PLA) was obtained by ring-opening polymerization and the synthesis conditions to get 444,848 molecular weight were optimized.
采用间接开环聚合法合成了平均分子量为444 ，848的聚乳酸，并对合成工艺作了优化。
In this paper, the polylactic acid is synthesized by two-step method from lactic acid to lactide, then open-ring polymerize to PLA (polylactic acid).
采用二步法由乳酸制备丙交酯，由丙交酯的开环聚合制备高分子量的聚乳酸。
The composite material is composed of knitted or unknitted natural fiber which is modified at the surface, polylactic acid and silane coupling agent.
该复合材料由经过表面改性的编织或未编织的天然纤维、聚乳酸和硅烷偶联剂组成。
Polylactic acid fiber and polyester fiber are two kinds of synthetic fibers with similar properties and both can be made by using melt-spinning method.
聚乳酸纤维与聚酯纤维都可由熔体纺丝法制得，是合成纤维中性能较为相近的两类纤维。
The synthesis and application of non-linear copolymers contained polylactic acid were reviewed. The prospect of this study was previewed in this paper.
本文对非线形含活性侧基聚乳酸接枝共聚物的合成、性能以及应用进行了综述，并对该研究的前景进行了展望。
To prepare microsphere containing Azithromycin(AZM) with polylactic acid, and investigate the characteristics of AZM microsphere (AZMMS)in vitro release.
以聚乳酸为载体材料制备阿奇霉素微球（AZMMS）并考察其体外释药特性。
Polylactic acid as a kind of green biodegradable material, has been applied extensively in the tissue engineering scaffolds and drug controlled release devices.
聚乳酸作为可降解的绿色生物材料，在组织工程支架、药物控释系统等领域得到了广泛的应用。
The invention also discloses a preparation method of the polylactic acid combination containing the sulfonic acid compound and the nitrogenous organic compound.
本发明还公开了一种含有磺酸化合物和含氮有机化合物的聚乳酸组合物的制备方法。
The invention belongs to the technical field of polymer materials, and particular relates to a method for injection molding of high crystalline polylactic acid.
本发明属于高分子材料技术领域，具体涉及一种高结晶聚乳酸的注塑方法。
The invention provides a biodegradable material composition, which contains polylactic acid, organic phyllosilicate and natural fiber containing coupling agent.
本发明提供了一种可生物降解材料组合物，该组合物含有聚乳酸、有机层状硅酸盐和含有偶联剂的天然纤维。
The article analyzes the status of polylactic acid productive technology, market and application and puts forward future development prospect of polylactic acid.
前言：分析了聚乳酸生产技术、市场和应用的现状，提出了聚乳酸未来发展前景。
Aim To discover the effect of molecular weight of polylactic acid on the shape, drug content and drug distribution state of rifampicin polylactic acid microspheres.
目的考察聚乳酸相对分子量对利福平聚乳酸微球形态、载药量及微球中药物分布状态的影响。
The method has the advantages of effectively promoting the wide application of environment-friendly polylactic acid products, along with simple process and low cost.
本发明工艺方法简单，成本低廉，可有效促进环保型聚乳酸制品的广泛应用。
Polylactic acid(PLA) and polyglycolic acid(PGA) have been commercially available for human clinical use because of their satisfactory biocompatibility and biodegradation.
有机高分子聚合物聚乳酸、聚乙醇酸具有良好的生物相容性和可降解性，已被广泛应用于临床。
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。
The invention relates to a method for quickly crystallizing polylactic acid, which reduces the crystallization rate of polylactic acid by adding novel organic nucleating agent.
本发明涉及一种聚乳酸快速结晶的方法。该方法通过加入新型有机成核剂来缩短聚乳酸的结晶速率。
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