本发明涉及一种装载粉末型药物的聚乳酸纤维及其制备方法。
The invention relates to a poly-lactic acid fiber loading a powder drug and a preparation method thereof.
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）。
ONE of the most promising alternatives to plastics made from oil is polylactic acid (PLA).
聚乳酸纤维是一种新型绿色环保纤维，可与棉、毛等天然纤维混纺。
PLA is a kind of new green environmental fibers, which can be blended with natural fibers such as cotton, wool etc.
本发明的载药聚乳酸纤维具有串珠结构，药物基本存在于串珠结构中；
The drug loaded poly-lactic acid fiber of the invention has the beaded structure, and the drug is basically stored in the beaded structure;
指出聚乳酸纤维的工业化关键是降低生产成本，开发新的纺丝成形工艺。
It was pointed out that the industrial production of poly (lactic acid) fiber could be realized by reducing the production cost and developing new spinning process.
其次，乳酸分子于化学反应容器中连成长链或组成聚合物，然后产生聚乳酸纤维。
In the second stage, lactic-acid molecules are linked into long chains, or polymers, in chemical-reaction vessels, to produce PLA.
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。
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.
文中介绍了聚乳酸及其纤维的开发现状、聚乳酸纤维的纺织加工和应用及聚乳酸纤维的生物降解。
This paper introduces the present development of polyactic and its, spinning processing and application of polyactic fibers and the biodegradation.
介绍了聚乳酸纤维的纺丝方法、聚乳酸熔融纺丝工艺流程及目前国内外聚乳酸纤维的生产、开发情况。
It described the spinning method including solution-spinning and melt-spinning and process of melt-spinning of polylactide and companies manufacturing polylactide fiber in the world.
通过试验，分析了染料结构对聚乳酸纤维染色性能的影响，并与分散染料染涤纶（PET）纤维进行了对比。
Influence of the structure of dyestuffs on dyeability of PLA fiber was compared with that on PET fibers.
随着人们环保意识、能源意识的不断加强，聚乳酸纤维这种天然生物降解织物必将有更多的产品被开发出来。
Accompanying with strengthening of consciousness of environment protection and energy, more and more PLA fabric, enabling to be degraded naturally, will be developed definitely.
介绍了聚乳酸树脂的制备及其纺丝成形工艺，聚乳酸纤维与其织造产品的特性，以及聚乳酸在非织造布领域的应用。
The preparation and spinning process for PLA resin and the property of PLA fiber and PLA nonwovens were introduced in the paper. The application of PLA fiber on nonwoven sector was also presented.
聚乳酸纤维已成熟的适用于服装行业，已与棉，羊毛混纺，纺制成衣面料，光泽较涤纶纤维更优良，且有蓬松的手感。
After being blended with cotton, wool, it can be made into garment fabric that feels super soft and has better gloss than polyester fiber.
但是采用静电纺聚乳酸纤维膜由于其表面疏水，导致纯聚乳酸纤维支架细胞亲和性差，限制其在组织工程领域的应用。
However, the hydrophobic surface of electrospun PLA fibrous MATS, which leads low cell affinity, is still the key to restrict extensive application in tissue engineering.
由于聚乳酸纤维采用了天然可再生的植物资源，使用后可自然降解，所以在纺织、医学、农业等领域都有广阔的发展前景。
Due to PLA made of renewable resources and can be biodegraded, PLA fiber will be greatly used in textiles, medical and agriculture fields and have great future.
为了分析聚乳酸纤维与棉混纺纱，混纺比对成纱强伸性能的影响，将聚乳酸和棉纤维以不同混纺比混纺成纱，并对其成纱分别进行了拉伸性能试验分析。
To analyze the influences on yarn tensile property of polylactic acid cotton blending yarn blending ratio, blending yarn of different ratio was spun, tensile property test of yarn was done.
评价了成型工艺对纤维形态结构和性能的影响、研究聚乳酸纤维的新方法、新成果以及高性能聚乳酸纤维在生物医学领域、日用工业等领域的应用前景。
The new study methods and new products of PLA fibers are introduced. The PLA fibers with high performance have been widely used in the biomedicine, household goods.
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。
The composite material is composed of knitted or unknitted natural fiber which is modified at the surface, polylactic acid and silane coupling agent.
以竹原纤维、聚乳酸为原料，采用非织造结合模压成型工艺制备了完全可降解材料。
Raw bamboo fibers reinforced polylactide biodegradable material was prepared by means of non-woven method and moulding pressing technology.
本发明属于高分子材料技术领域，具体涉及一种天然纤维增强聚乳酸复合材料及其制备方法。
The present invention belongs to the macromolecular material technical field and concretely relates to natural fibre enhanced polylactic acid composite material and a preparation method thereof.
制备了碳纤维增强聚乳酸（C/PLA）骨折内固定材料，对碳纤维进行了浓硝酸表面处理。
The carbon fiber-reinforced Polylactide (C/PLA) was prepared for bone fracture fixation, and the carbon fiber was treated by surface soakage with concentrated nitric acid.
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 invention provides a biodegradable material composition, which contains polylactic acid, organic phyllosilicate and natural fiber containing coupling agent.
目的研究许旺细胞在聚乳酸（PLA）无纺纤维布及聚羟基乙酸（PLGA）纤维丝上的粘附、三维生长及迁移情况。
Objective To observe the behavior of Schwann cell migration and wrapping up of fibres during co-culture of Schwann cells with steroframe of PLA and PLGA fibres.
本发明采用预处理后的天然植物纤维（A料）与羧化聚醚界面改性剂（B料）以及聚乳酸制备复合材料。
The full biomass-based composite material of the invention is prepared by natural plant fiber (material A), carboxylation polyether interface modifier (material B) and polylactic acid.
目的以聚乳酸-羟基乙酸共聚物（PLGA）为材料，采用静电纺丝方法制备纤维支架，考察制备参数对纤维支架结构及纤维直径的影响规律。
Objective To prepare PLGA fiber scaffolds by electrospinning process and investigate the influence of preparation parameters on the structure of the scaffolds.
结果表明：与提高卷曲板压力相比，适当提高卷曲温度对改善聚乳酸短纤维卷曲性能效果更好。
The results showed that the fiber with better crimping properties was manufactured via higher crimping temperature.
同时，通过PLLA纤维和薄膜在不同环境中的降解实验，表明聚乳酸是一种良好的生物降解医用材料和环保塑料。
In addition, the results of the degradation of PLLA in different environments showed PLLA was an excellent biodegradable material for medical treatment and environmental protection.
结果表明，共聚物中存在聚乳酸支链，产物为纤维素醋酸酯与聚乳酸的接枝共聚物；
The results showed that the product was grafted copolymer of cellulose acetate and poly(actic acid), and poly(actic acid) side chains were detected in the copolymer.
结果表明，共聚物中存在聚乳酸支链，产物为纤维素醋酸酯与聚乳酸的接枝共聚物；
The results showed that the product was grafted copolymer of cellulose acetate and poly(actic acid), and poly(actic acid) side chains were detected in the copolymer.
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