聚己内酯
- 网络Polycaprolactone;PCL;mPEG-PCL
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聚己内酯降解塑料要比淀粉填充的PE部分降解塑料的生物降解性好;
PCL appears to degrade better than starch filled PE .
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发现聚己内酯的球晶生长速率随着SAN的含量增加而下降。
The isothermal growth rates of PCL spherulites decrease with increasing concentration of SAN .
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聚己内酯是一种被FDA批准的可生物降解的聚酯材料。
Polycaprolactone is an FDA - approved biodegradable polymer .
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制造了聚己内酯(PCL)纳米纤维的非织造材料。
The nonwovens of PCL nanofibers are produced .
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方法将人ANP基因(cDNA)转染入CHO细胞,然后将细胞包被在聚己内酯(PCL)管内形成微囊,并检测转基因CHO细胞长时间存活情况和分泌的ANP。
Method ANP cDNA transfected CHO cells were encapsulated in PCL tubes and levels of ANP secreted were detected .
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通过熔融共混方法,制备了聚己内酯/淀粉醋酸酯共混物,应用DSC分析,研究了淀粉醋酸酯含量对共混物中聚己内酯结晶行为的影响。
Blends of polycaprolactone ( PCL ) and starch acetate with different compositions have been prepared by melt blending . The crystallization behavior of the blends has been studied by DSC analysis .
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动态力学分析(DMA)分析表明,聚己内酯辐照交联后的弹性模量和耐热性能显著提高。
Dynamic mechanical analysis showed that the heat distortion resistance and the temperature of abrupt drop point for tensile modulus E ′ increased markedly with the irradiation dose .
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目的探讨用可降解多孔块状聚己内酯(PCL)作为骨形态发生蛋白(BMP)的载体,修复骨缺损的可行性。
Objective To investigate the availability of bone defect repair by degradable porous polycaprolactam ( PCL ) as the carrier of bone morphogenetic protein ( BMP ) .
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以聚己内酯、1,4-丁二醇和MDI等原料合成的鞋用聚氨酯胶粘剂,具有结晶度高、结晶速度快、内聚强度大等特点。
Polyurethane adhesive is made of 1,4-BDO , MDI and polycaprolactone glycol which is high crystallinity , very high crystallization velocity and large cohesive strength .
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聚己内酯(PCL)由于具有良好的生物降解性、生物相容性和无毒性,而被广泛用作医用生物降解材料及药物控制释放体系。
Poly (ε– caprolactone )( PCL ) has been extensively used as biomaterials and carriers for drug delivery systems because of its excellent biocompatibility , biodegradation and low toxicity .
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对高HV含量PHBV采用与聚己内酯(PCL)共混纺丝的方法显著改善PHBV的可纺性,获得力学性能较好的共混纤维。
PHBV with high HV content and PCL blend spinning method significantly improved the viscosity and its spinnability , getting a higher mechanical strength of the blend fibers .
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目的采用甲壳素短纤维增强聚己内酯(PCL)制备的人工胸壁,构建犬胸壁缺损与重建动物模型,探讨可降解生物材料人工胸壁重建胸壁缺损的可行性。
Objective To investigate the application of a novel degradable biomaterial artificial chest wall as a chest wall prosthesis and explore the feasibility of its use in chest wall reconstruction .
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利用高分子量聚己内酯(PCL)制备了高分子无机组分间非共价键化学结合的PCL/SiO2有机无机杂化透明材料。
PCL / SiO 2 hybrid materials with non-covalently bonding between polymeric and inorganic components were synthesized from high molecular weight poly (ε - caprolactone )( PCL ) by a sol-gel process .
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第三,以水和甘油作为增塑剂,利用单螺杆挤出机制备热塑性淀粉(TPS),然后再用单螺杆挤出机将TPS与分子量为5万的聚己内酯共混挤出。
Thirdly , thermoplastic starch was prepared through single screw extruder with water and glycerol as plasticizers , which was then blended with polycaprolactone with the molecular weight of 50 000 by single screw extruder .
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对新型的两亲性生物降解接枝共聚物羟丙基纤维素接枝聚己内酯(HPC-g-PCL)的综合性能进行了测试。
The properties of the amphiphilic hydroxypropyl cellulose graft polycaprolactone ( HPC-g-PCL ) copolymers were investigated .
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利用低分子量聚己内酯二醇(PCL)与甲苯二异氰酸酯(TDI)反应,形成端氰酸酯基的聚氨酯型聚己内酯,然后分别与未改性淀粉及己内酯接枝改性淀粉混合。
Polycaprolactone-urethane with cyanate group has been synthesised by low molecular PCL dio with toluene diisocynate ( TDI ) . Then non-grafting starch or modifying starch was mixed with Polycaprolactone-urethane . Non-grafting starch and Polycaprolactone-urethane formed plastic with chemical reaction .
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采用冷冻干燥/粒子沥滤复合法制备聚己内酯(PCL)多孔支架,通过扫描电镜对支架的三维结构进行了表征,并计算了支架孔隙率。
Poly (ε - caprolactone )( PCL ) porous scaffolds are prepared by freeze-drying / particle-leaching method and characterized by scanning electronic microscope . The porosity of the scaffold is calculated by measuring the mass and volume of the scaffold .
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利用OH与NCO的亲核加成反应,直接合成了星型硅氧烷封端的1,1,1-三羟甲基丙烷(TMP)-聚己内酯三元醇的系列复合低聚物TPSi-A,TPSi-B和TPSi-C。
A series of star siloxane-terminated oligomers containing 1,1,1 - trihydroxylmethylpropane ( TMP ) and polycaprolactone triol ( PCL ), i.e. TPSi-A , TPSi-B and TPSi-C were directly synthesized via OH and NCO nucleophilic addition reaction .
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用熔融共混法制备了聚己内酯(PCL)/纳米CaCO3复合材料,考察了纳米CaCO3对PCL结晶性能和纳米CaCO3含量对PCL/纳米CaCO3复合材料力学及形状记忆性能的影响。
Poly (ε - caprolactone , PCL ) / nano-CaCO_3 blends were prepared by mechanically melting mixing . The effects of nano-CaCO_3 particles on the crystallinity of PCL and the nano-CaCO_3 content on the mechanical properties as well as shape memory properties of the blends were investigated .
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采用两步法合成了二醋酸纤维素与聚己内酯单丙烯酸酯接枝共聚物(CDA-g-PCLA)。
Cellulose diacetate grafting polycaprolactone monoacrylate copolymers ( CDA-g-PCLA ) were synthesized by two-step reactions of cellulose diacetate ( CDA ) with polycaprolactone monoacrylate ( PCLA ) .
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方法:采用明胶和聚己内酯复合包裹法将异烟肼、利福平、吡嗪酰胺和乙胺丁醇等4种抗结核药物按一定浓度和配比与重组合异种骨(RBX)复合,制备抗结核骨。
Method : Anti-TB bone was made of reconstituted bone xenograft ( RBX ) combined with 4 antituberculosis drugs ( Isoniazide , Rifampicin , Pyrazinamide , Ethambutol ) at certain concentration and encapsulated by gelatin and polycaprolactone .
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研究了聚酯丙烯酸酯(Polyesteracrylate,PEA)类多官能团物质的用量、官能团数目、辐射交联剂量等因素对聚己内酯(Polycaprolactone,PCL)的辐射交联规律、动态力学等性能的影响。
Sensitizing effects of polyfunctional polyester acrylate ( PEA ) on radiation cross-linkage of PCL were studied in this paper . Influences of the added amount of PEA , number of the functional groups , and irradiation dose on dynamic mechanical properties of the cross-linked PCL samples were investigated .
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玉米淀粉/ε-聚己内酯复合片材的制备及结构表征
Preparation and Structure Characterization of Corn Starch / PCL Composite Sheet
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原位微波合成官能化碳纳米管复合聚己内酯材料
Microwave-Assistant in situ Synthesized Nanocomposites Based on Functional Carbon Nanotube-Modified Polycaprolactone
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甲壳素短纤维对聚己内酯体内的降解作用
Degradation performance of chitin short fiber reinforced polycaprolactone composite in vivo
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羟丙基甲基纤维素接枝聚己内酯二醇的合成、表征及性能
Synthesis , Characterization and Property of Hydroxypropyl Methylcellulose Grafting Polycaprolactone Diol
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钛酸四丁酯引发聚己内酯接枝改性淀粉的制备
Synthesis of polycaprolactone - grafted - starch copolymer by tetrabutyl titanate
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甲壳素短纤维增强聚己内酯复合材料的制备及生物学评价
Preparation and Biological Evaluation of Chitin Short Fiber Reinforced Polycaprolactone Composite
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热塑性乙酰化竹粉/聚己内酯复合材料的加工与性能
Processing and Property of Thermoplastic Acetylated Bamboo Flour / Polycaprolactone Composite
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羟乙基纤维素接枝聚己内酯的生物降解性能
Biodegradability of Hydroxyethyl Cellulose / Poly ( Caprolactone ) Graft Copolymer