PLLA相关论文
采用L-丙交酯开环聚合制备了高分子量聚L-乳酸（PLLA），并研究了各反应条件对聚合反应效率的影响。通过傅里叶红外光谱（FTIR）、核磁共振氢......
近年来,形状记忆（SM）材料在生物医学领域得到了越来越多的关注,例如组织工程（自膨式心脑血管支架）和药物输送等。聚乳酸（PLLA）和聚乙烯醇......
第一部分生物可降解纳米ACP材料改善PLLA材料相容性、亲水性及促进其在血管支架应用中的研究研究背景雅培生物可吸收支架（BVS）遭遇退......
冠脉支架植入术是冠心病的主要治疗方法,通过将压握的冠脉支架植入病变血管,随后扩张支架撑开狭窄血管,来恢复血液流通。目前,新一......
Interaction of human fibroblasts with electrospun composites gelatin/PLLA, chitosan/PLLA and PLLA fi
Highly porous ultrafine electrospun scaffolds, gelatin/PLLA and chitosan/PLLA were prepared by blending gelatin and PLLA......
Biodegradable polymer poly(L-lactide) (PLLA) with shape memory capability has been widely used for engineering different......
聚乳酸具有很好的生物降解和生物相容性。本研究利用简单共混方法制备了新型热塑性聚乳酸/聚醋酸乙烯酯形状记忆材料。研究发现：PLL......
Preparation of Core-Shell Structured PVP-NSPs/PLLA Binary-drug Loaded Complex Fibermats by Electrosp
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我们构建PLLA基含nano-Ag复合纤维,且实现复合纤维表面磷酸钙晶体的快速生长和成骨分化.研究结果表明PLLA浓度增大,纤维直径增大,......
激光熔融静电纺丝法不受溶剂影响符合组织工程领域的一项新技术,比传统的溶液纺丝法更安全。本文综合无机和有机互补的优势,用激光......
立构复合(SC)结晶是高分子结晶中的一种普遍现象,也是高分子的特殊的共晶形式。互为对映异构体(如左旋/右旋、等规/间规)的高分子......
工业木质素作为造纸工业副产物，产量大、可再生、廉价易得、化学活性好，对其进行高值化开发利用对于缓解资源、能源危机和环境污染等......
The composite material of poly-(L-lactide) (PLLA) and carbon nanotubes (CNTs) were prepared. Its surface morphologies an......
目的:探讨32P-磷酸铬-聚L-乳酸(32P-CP-PLLA)缓释粒子局部植入对裸鼠前列腺癌的治疗作用。方法:建立裸鼠前列腺癌皮下移植瘤模型,......
通过熔融共混制备了聚L-乳酸(PLLA)和热塑性聚氨酯(TPU)的共混物,并研究了该PLLA/TPU共混挤出物的流变性能及聚集态结构。结果表明......
以异辛酸亚锡为催化剂,通过四臂聚乙二醇(4-armed PEG)引发右旋丙交酯(DLA)或左旋丙交酯(LLA)开环聚合合成四臂PEG-PLA对映体共聚......
Due to its high strength, high modulus, excellent clarity, good biodegradability and biocompatibility, poly(lactic acid)......
EFFECT OF MOLECULAR WEIGHT AND FILM THICKNESS ON THE CRYSTALLIZATION AND MICROPHASE SEPARATION IN PO
We investigated the effects of molecular weight and film thickness on the crystallization and microphase separation in s......
Ultra-fine fibrous mats with magnolol entrapped have been prepared by electrospinning biodegradable copolymer poly(ethyl......
通过活性正离子开环聚合的方法,以苯甲醇或月桂胺引发L-丙交酯聚合合成了一系列分子量可控的聚(L-乳酸)(PLLA).研究发现,端基刚、......
L-lactide(LLA) homopolymerization and copolymerization with ε-caprolactone(CL) in toluene initiated by tetrahydrosalen-......
In the present work, the PLLA mesophase formation and its kinetics at the advent of a chain mobility accelerator(polyeth......
Electrospinning is a well-known process for producing submicrometer fibers, which have wide applications in many fields,......
Preparation of Poly ( L-lactic acid ) / Vermiculites Composites by in situ Copolymerization of Lacti
L-lactic acid (L-LA) based copolymer/hydroxylation vermiculites composites (PLLA-co-bis A/HVMTs) were prepared by in sit......
PREPARATION AND CHARACTERIZATION OF ELECTROSPUN FIBERS BASED ON POLY(L-LACTIC ACID)/CELLULOSE ACETAT
PLLA/CA mixtures of different compositions were successfully electrospun to obtain composite nanofibrous membranes.The m......
为了更好控制结晶的形态、大小以及产率,系统地研究了各种控制因素对自晶种方法制备PS-bPLLA嵌段共聚物单晶及复合单晶的影响,并考......
利用光学流变显微镜(ORM)在线研究剪切场下左旋聚乳酸(PLLA)非等温结晶过程,采用差示扫描量热法(DSC)和广角X射线衍射(WAXD)研究了......
Paclitaxel(PTX) is an effective anticancer drug with poor solubility in water.Recently,much effort has been devoted into......
聚乳酸(PLA)是一种环境友好及生物可降解的聚合物,其界面性质受到了广泛关注.本文以LangmuirBlodgett(LB)膜天平、原子力显微镜(AF......
Miscibility and Isothermal Crystallization of Poly(L-lactide) and Poly(trimethylene carbonate) Blend
Miscibility, isothermal crystallization kinetics, and morphology of poly(L-lactide)/poly(trimethylene carbonate)(PLLA/PT......
The Stereocomplex Formation and Phase Separation of PLLA/PDLA Blends with Different Optical Purities
In this study, the poly(L-lactide)/poly(D-lactide)(PLLA/PDLA) blends with different optical purities of PLLA and various......
通过4-溴苯甲醇和三甲基硅基乙炔的Sonagashira偶联反应与三甲基硅基的脱除反应,合成4-乙炔基苯甲醇.以4-乙炔基苯甲醇为引发剂,以......
合成并表征了线蚕卧三臂和四臂左旋聚乳酸（PLLA），利用DSC研究了不同分子量，不同链结构左旋聚乳酸及左旋聚乳酸，脱膳棉在130℃时等温结晶......
以单一组分聚L-乳酸(PLLA)为成膜材料,利用水辅助法制备了聚乳酸(PLLA)蜂窝状多孔膜.利用扫描电镜(SEM)和原子力显微镜(AFM)观察多......
Abstract The intrinsic relationship between molecular chain length and the probability of chain reaction during poly(lac......
Multi-porous electroactive poly(L-lactic acid)/ polypyrrole composite micro/nano fibrous scaffolds p
In this study, poly(L-lactic acid)/ammonium persulfate doped-polypyrrole composite fibrous scaffolds with moderate condu......
Biodegradable poly(L-lactide-r-trimethene carbonate) copolymers (P(LLA-co-TMC)) with different compositions were synthes......
采用L-乳酸熔融缩聚,制备了粘均相对分子质量较低的聚乳酸,并以亚磷酸三苯酯和1,4-丁二醇二缩水甘油醚为扩链剂对其扩链。亚磷酸三......
动态力学分析(DMA)、溶度参数法、聚合物混合焓法对聚偏氟乙烯(PVDF)和左旋聚乳酸(PLLA)的相容性分析结果显示,随着共混体系中PLLA......
