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- In this paper,it is reported that the esterification between dl lactic acid,dl tartaric acid and various alcohol are catalyzed by modified gnarl. 以乳酸与醇的酯化反应、酒石酸与醇的酯化反应及羧酸与环氧氯丙烷得开环酯化反应为模型反应,研究了改性片麻岩作为催化剂对上述反应的催化性能。
- Now they wear rubber fingers treated with lactic acid. 现在他们戴上了用乳酸处理过的橡皮指套。
- The synthesis of poly (lactic acid) is mainly described and so is that of polyesters from renewable natural resources. 其中，对脂肪族聚酯－聚乳酸的缩聚合成，以及可再生资源用于聚酯的合成进行了重点介绍。
- A salt or an ester of lactic acid. 乳酸盐或乳酸酯
- The synthesis of poly(lactic acid) is mainly described and so is that of polyesters from renewable natural resources. 其中,对脂肪族聚酯聚乳酸的缩聚合成,以及可再生资源用于聚酯的合成进行了重点介绍。
- The properties and uses of poly(lactic acid), chitin and tricalcium phosphate are expounded. 并对可降解吸收骨科材料的发展趋势进行了探讨。
- Anhui BBCA & Galactic Lactic Acid Co., Ltd. 安徽丰原格拉特乳酸有限公司
- Dancheng Jindan Lactic Acid Industrial Co., Ltd. 郸城金丹乳酸实业有限公司
- Objective To observe the effect of the poly dl lactide (PDLLA) used as cell culturing scaffold on the growth of rabbit chondrocytes. 目的观察国产外消旋聚乳酸(PDLLA)材料为细胞载体对软骨细胞吸附生长增殖的影响。
- The synthetic method, good biocompatibility, and absorbability and biodegradability of high-molecular weight poly(lactic acid) were introduced briefly. 简要介绍高分子量聚乳酸的合成方法、良好的生物相容性、可吸收性及生物降解性。
- The purification and the fiber preparation of poly(lactic acid) were fulfilled by the improved method of liquid filature. 研究压制压力和压制温度对聚乳酸材料抗弯强度及其最终相对分子质量的影响。
- In this paper,a series of biodegradable hot-melt adhesives which based on poly (lactic acid) -poly caprolactone were synthesized by chain extending. 用聚乳酸-聚己内酯扩链共聚法制备了可生物降解的热熔胶粘剂。
- The research progress in the solution spinning and melt spinning of biodegradable poly(lactic acid) (PLA) fiber was reviewed and the fibers properties as well. 综述了可生物降解聚乳酸纤维的溶液纺丝和熔融纺丝成形的研究进展，以及聚乳酸纤维的性能。
- Poly(lactic acid) (polylactide, PLA) is a biocompatible and bioresorbable polymer, thus it is widely used in the medical area, and is paid much attention to. 聚乳酸是一种具有良好生物相容性、可降解的高分子材料,被广泛应用于医用领域,受到越来越多的关注。
- The research progress in the solution spinning and melt spinning of biodegradable poly(lactic acid) (PLA) fiber was reviewed and the fiber's properties as well. 综述了可生物降解聚乳酸纤维的溶液纺丝和熔融纺丝成形的研究进展,以及聚乳酸纤维的性能。
- These soluble carbohydrates are converted to lactic acid. 这些水溶性的碳水化合物被转化成乳酸。
- The effects of talcum powder, diatomite and white carbon black on the thermal stability, melting and rheological characteristic of Poly(lactic acid) (PLA) were studied. 摘要研究了滑石粉、硅藻土、白炭黑填充聚乳酸材料的热稳定性、熔化特性及流变行为等成型加工性能。
- The modem and potential application fields of poly (lactic acid) were analyzed, and the direction to research and widen the special application fields for developing po... 对聚乳酸的应用现状及应用前景进行了归纳分析,提出了聚乳酸研究的发展方向及重点应用领域。
- Lactide is the midbody for the preparation of poly(lactic acid), the ratio of lactic acid to lactide is low and hamper the extensive application of PLA. 丙交酯是由乳酸制备聚乳酸的中间体,其产率偏低是制约聚乳酸大规模应用的关键。
- It is fermented by lactic acid bacteria to produce lactic acid. 乳糖可以被乳酸菌发本季生成乳酸。
