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epoxy-functionalized
相关语句
  环氧官能化
     TOUGHENING OF NYLON-6 WITH EPOXY-FUNCTIONALIZED ETHYLENE PROPYLENE RUBBER
     二元乙丙橡胶的环氧官能化及其增韧尼龙6的研究
短句来源
     TOUGHENING OF POLY(BUTYLENE TEREPHTHALATE) WITH EPOXY-FUNCTIONALIZED ETHYLENE-OCTENE COPOLYMER
     环氧官能化(乙烯/辛烯)共聚物增韧PBT的研究
短句来源
     Epoxy-functionalized ethylene propylene rubber (gEPR) was prepared in a corotating twin-screw extruder. The degree of grafting of EPR was determined by FTIR measurements.
     在双螺杆挤出机中制备了环氧官能化的二元乙丙橡胶(gEPR) ,采用红外光谱工作曲线法测量了EPR的接枝率.
短句来源
     Poly (butylene terephthalate) (PBT) blends with ethylene-octene copolymer (POE) and epoxy-functionalized ethylene-octene copolymer (gPOE) were prepared with twin-screw extruder. The rheological, morphological and mechanical properties of these blends were studied.
     利用双螺杆挤出机将对苯二甲酸丁二酯(PBT)分别与(乙烯/辛烯)共聚物(POE)及环氧官能化的POE(gPOE)熔融共混,对共混物的流变性能、相形态、断裂形貌和力学性能进行了研究。
短句来源
  “epoxy-functionalized”译为未确定词的双语例句
     Synthesis and Characterization of Epoxy-functionalized SBA-15 and Application for the Immobilization of Penicillin G Acylase
     环氧基功能化SBA-15介孔分子筛的制备、表征及其固定化青霉素酰化酶
短句来源
     Epoxy-functionalized SBA-15 mesoporous molecular sieves G-SBA-15 and O-SBA-15 were respectively synthesized by post grafting and epoxy oxidation of vinyl-SBA-15 and characterized by FT-IR,TG-DTA,XRD and N_2 adsorption/desorption techniques.
     利用表面嫁接法和乙烯基环氧化法制备了环氧基团功能化介孔分子筛G-SBA-15和O-SBA-15,并对其结构和表面性质进行了表征.
短句来源
  相似匹配句对
     SOLVENTLESS EPOXY PAINT
     第六章 无溶剂型环氧涂料
短句来源
     Epoxy Tooling by Stereolithography
     基于光固化原型的环氧树脂制模技术
短句来源
     (4) epoxy-resin.
     ④环氧树脂。
短句来源
     PROGRESS OF EPOXY-NANOCOMPOSITES
     环氧树脂基纳米复合材料研究进展
短句来源
     METATHESIS OF FUNCTIONALIZED OLEFINS
     具有官能基烯烃的歧化
短句来源
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  epoxy-functionalized
An epoxy-functionalized hyperbranched polymer (HBP) was used to toughen a conventional epoxy resin, diglycidyl ether of bisphenol A (DGEBA) cured with diethyltoluene-2,6-diamine (DETDA).
      
Studies on blends of epoxy-functionalized hyperbranched polymer and epoxy resin
      
Epoxy-functionalized latex made by the miniemulsion polymerization process with Ep850 was compared with that made by the conventional emulsion polymerization process with glycidyl methacrylate (GMA).
      


Epoxy-functionalized ethylene propylene rubber (gEPR) was prepared in a corotating twin-screw extruder.The degree of grafting of EPR was determined by FTIR measurements.The phase structure,fracture morp hology,toughening mechanism and mechanical properties of Nylon-6/gEPR blend s were studied in detail.The results show that the epoxy groups of gEPR can re act with the carboxyl and (or) amine groups of Nylon-6 and form Nylon-6-co -EPR copoymer,which can act as compatibilizer to decrease the interfacial...

Epoxy-functionalized ethylene propylene rubber (gEPR) was prepared in a corotating twin-screw extruder.The degree of grafting of EPR was determined by FTIR measurements.The phase structure,fracture morp hology,toughening mechanism and mechanical properties of Nylon-6/gEPR blend s were studied in detail.The results show that the epoxy groups of gEPR can re act with the carboxyl and (or) amine groups of Nylon-6 and form Nylon-6-co -EPR copoymer,which can act as compatibilizer to decrease the interfacial ten sion between Nylon-6 and EPR,and result in a more uniform dispersion of EPR in t he Nylon-6 matrix.At the same time,the particle size of EPR decreases with the increase of the grafting degree of EPR. SEM observation of fracture surfaces in dicates that Nylon-6/gEPR blends exhibit fractures of ductile mode,and fro m the SEM analysis of deformation zones it can be concluded that the cavitation of rubber particles and shear yielding of matrix are the main toughe ning mechanism.Mechanical tests also show that the addition of gEPR into Nyl on- 6 matrix improves the Izod notched impact strength of Nylon-6 significantly.

在双螺杆挤出机中制备了环氧官能化的二元乙丙橡胶(gEPR) ,采用红外光谱工作曲线法测量了EPR的接枝率.将环氧官能化的EPR与尼龙6 (Nylon- 6 )熔融共混,并对共混体系的相形态、断裂形貌、增韧机理、力学性能进行了研究.结果表明,gEPR的环氧官能团与Nylon- 6的端羧基和(或)端氨基发生了化学反应生成Nylon -6 co EPR共聚物,该共聚物作为界面改性剂降低了Nylon -6与EPR之间的界面张力,使EPR在Nylon -6基体中均匀、稳定地分散,而且随着EPR接枝率的增加,EPR的粒径尺寸逐渐减小.断面形貌观察发现,与Nylon -6 EPR体系相比,Nyon -6 gEPR共混体系呈现明显的韧性断裂特征.通过对Nylon -6 gEPR共混体系缺口冲击形变区的研究得出EPR增韧Nylon -6的机理是橡胶粒子的空洞化和塑料基体的剪切屈服.力学性能测试表明gEPR的引入显著提高了Nylon -6的缺口冲击强度.

Poly (butylene terephthalate) (PBT) blends with ethylene-octene copolymer (POE) and epoxy-functionalized ethylene-octene copolymer (gPOE) were prepared with twin-screw extruder. The rheological, morphological and mechanical properties of these blends were studied. Results showed that chemical reactions between the epoxy groups of gPOE and hydroxyl and (or) carboxyl groups of PBT had taken place and PBT-co-POE copolymer were formed, the copolymer decreased interfacial tension between PBT and POE and induced...

Poly (butylene terephthalate) (PBT) blends with ethylene-octene copolymer (POE) and epoxy-functionalized ethylene-octene copolymer (gPOE) were prepared with twin-screw extruder. The rheological, morphological and mechanical properties of these blends were studied. Results showed that chemical reactions between the epoxy groups of gPOE and hydroxyl and (or) carboxyl groups of PBT had taken place and PBT-co-POE copolymer were formed, the copolymer decreased interfacial tension between PBT and POE and induced uniform dispersion of POE in PBT matrix. Fracture morphology indicated that PBT/gPOE blends fractured in ductile mode, while PBT/POE fractured in brittle mode. Mechanical tests showed that PBT/gPOE blends had much higher notched impact strength than PBT, and supper-tough PBT was obtained.

利用双螺杆挤出机将对苯二甲酸丁二酯(PBT)分别与(乙烯/辛烯)共聚物(POE)及环氧官能化的POE(gPOE)熔融共混,对共混物的流变性能、相形态、断裂形貌和力学性能进行了研究。结果表明,gPOE的环氧官能团与PBT的端羧基或端羟基发生化学反应生成PBTcoPOE共聚物,降低了PBT与POE之间的界面张力,使POE在PBT基体中分散均匀;与PBT/POE共混物相比,PBT/gPOE共混物呈现明显的韧性断裂特征;gPOE的引入显著提高了PBT的缺口冲击强度,成功实现了对PBT的增韧。

Epoxy-functionalized SBA-15 mesoporous molecular sieves G-SBA-15 and O-SBA-15 were respectively synthesized by post grafting and epoxy oxidation of vinyl-SBA-15 and characterized by FT-IR,TG-DTA,XRD and N_2 adsorption/desorption techniques.The results show that both retain a well-defined pore structure.The epoxy group content grafted on G-SBA-15 is 0.78 mmol/g.The O-SBA-15 possesses the epoxy group content of 0.37 mmol/g and considerable vinyl groups existing on its surface.The apparent activity of penicillin...

Epoxy-functionalized SBA-15 mesoporous molecular sieves G-SBA-15 and O-SBA-15 were respectively synthesized by post grafting and epoxy oxidation of vinyl-SBA-15 and characterized by FT-IR,TG-DTA,XRD and N_2 adsorption/desorption techniques.The results show that both retain a well-defined pore structure.The epoxy group content grafted on G-SBA-15 is 0.78 mmol/g.The O-SBA-15 possesses the epoxy group content of 0.37 mmol/g and considerable vinyl groups existing on its surface.The apparent activity of penicillin G acylase(PGA) immobilized on G-SBA-15 and O-SBA-15 were respectively 1075 IU/g and 1761 IU/g for hydrolyzing penicillin G potassium into 6-aminopenicillanic acid(6-APA) at 37~(o)C.The apparent activity became relatively steady as PGA/G-SBA-15 used for 4 times and about 83.7 % of its initial activity was kept after 10 recycles.The apparent activity of PGA/O-SBA-15 displayed continuous decline in cycle uses and remained about 51.6 % of its initial activity after 10 recycles.PGA/G-SBA-15 exhibits better operational stability than that of PGA/O-SBA-15.

利用表面嫁接法和乙烯基环氧化法制备了环氧基团功能化介孔分子筛G-SBA-15和O-SBA-15,并对其结构和表面性质进行了表征.结果表明,G-SBA-15和O-SBA-15均具有良好的长程有序结构,二者环氧基团的含量分别为0.78 mmol/g和0.37 mmol/g,在O-SBA-15表面还存在一定数量的乙烯基基团.G-SBA-15和O-SBA-15用于固定青霉素酰化酶(pen ic illin G acylase,PGA),固定化酶PGA/G-SBA-15和PGA/O-SBA-15在37℃时水解青霉素G钾制备6-氨基青霉烷酸(6-APA)的表观活性分别为1075 IU/g和1761 IU/g.PGA/G-SBA-15经4次使用后表观活性趋于稳定,经10次使用后保持其初始活性的83.7%.PGA/O-SBA-15在重复使用中,表观活性出现持续衰减,10次使用后保持其初始活性的51.6%,PGA/G-SBA-15的操作稳定性明显好于PGA/O-SBA-15.

 
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