化学接枝
- 网络chemical grafting
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比较了由PE化学接枝改性制备的无滴膜与掺混长效无滴剂生产的长效无滴膜的无滴性能。
Fogging-resistances of no-drip PE films made by chemical grafting modification and the long-lasting no-drip PE films made by long-lasting fogging resistance agents were compared .
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结果表明,在丙酮抽提前复合粒子中PMMA以化学接枝和物理包覆两种形式与纳米TiO2粒子发生作用。
The results show that two kinds of interaction forms , chemical grafting and physical coating , occurred between PMMA and nano-TiO2 before composite particles being extracted by acetone .
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PTFE超细颗粒的表面活化与化学接枝
Surface Activation and Graft of the Ultrafine PTFE Particles
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研究了香烟滤材聚丙烯(PP)化学接枝共聚条件与接技率(GE)和表面接触角(θ)之间的关系。
The relationships of the graft efficiency ( GE ) and contact angle (θ) with the conditions of graft copolymerization of PP filter material for cigarette were studied .
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研究了对于羟丙基纤维素(HPC)基板进行表面修饰时,基板表面状态的调控对基板表面化学接枝的影响。
The control of the hydroxypropyl cellulose ( HPC ) substrate surface and its influence on the surface graft modification of HPC was studied .
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磨盘碾磨中聚丙烯固相力化学接枝的实验结果表明,N羟甲基丙烯酰胺在聚丙烯表面上的接枝率亦随碾磨次数增加而增加,即与聚丙烯粒度分布的分维值相关。
Also the experimental results of the solid phase grafting of hydroxymethyl-acrylamide ( HMA ) onto PP revealed that the grafting rate increased with increase of milling cycles and was , therefore , related with the change of the fractal dimension value .
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结果表明,丙烯酸酯弹性体改性PVC可取得理想的抗冲性能,而化学接枝增韧改性,特别是悬浮聚合体系接枝聚合目前尚处于试验研究阶段。
The results show that the ideal impact resistance properties are given when PVC is modified with acrylate elastomer . The modification by means of graft polymerization , especially in the suspending system , are still at an experimental study stage .
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结果表明纳米Fe3O4呈球形,颗粒间团聚不明显,在纳米Fe3O4表面成功地包覆了PMMA,PMMA以化学接枝的方式结合在Fe3O4颗粒表面。
The result is that Fe_3O_4 nanoparticles are spheres and the reuniting between nanoparticles was not evident , Fe_3O_4 nanoparticles are coated by PMMA in the form of chemical grafting .
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采用表面化学接枝的方法制备PVDF-g-PAMPS中空纤维接枝复合膜。
The PVDF-g-PAMPS hollow-fiber grafted composite membrane was prepared through surface chemical grafting .
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红外光谱证实进一步接枝反应过程中有酰胺键形成,这表明多功能化的MWCNTs进一步化学接枝成功。
The formation of the amide bond in the grafting reaction has been confirmed by FT-IR spectroscopy . The result indicates that the further grafting is successful .
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研究结果表明:除示性电压、流动性外,化学接枝聚硅氧烷后的LDPE在耐环境应力开裂性、断裂强度、伸长率、击穿场强等方面均比与聚硅氧烷物理共混后的聚乙稀好。
Result of study shows that environmental stress cracking , tensile strength , elongation at break , and breakdown voltage of grafted LDPE are better than that of blent LDPE except incep ˉ tion voltage of electric treeing and fluidity .
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为了改善Kevlar缝线缝合复合材料的耐湿热性能,采用化学接枝烯丙基的方法对Kevlar缝合线进行表面改性处理。
To improve the properties of durability towards combined moisture and temperature attack of stitched composites with Kevlar thread , the surface of Kevlar stitch thread was modified using the metalation and grafting Allyl group .
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真丝织物化学接枝改性后的结构和热性能
Structure and Thermal Properties of Silk Fabrics with Chemical Graft Modification
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医用涤纶表面壳聚糖化学接枝法制备及细菌粘附研究
Surface modification by chitosan-grafted PET and evaluation of its bacterial adherence
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乙烯-醋酸乙烯酯共聚物的化学接枝改性
Chemical Grafting Modification of Poly ( ethylene vinyl acetate ) Copolymer
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通过化学接枝法合成了稳定的水性环氧树脂。
Stable epoxy-styrene-acrylic aqueous dispersion was synthesized by graft reaction .
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真丝化学接枝改性及性能研究
Study on Chemical Modification of Silk Fiber and Their Properties
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香烟滤材聚丙烯化学接枝共聚条件的研究
Study on Graft Copolymerization Conditions of Polypropylene Used for Making Cigarette Filter
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不同引发剂麦秆纤维化学接枝的表征
Characterization on Chemical Grafting for Wheat Straw Fibers with Different Initiations Agent
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橡胶的化学接枝
An Investigation of Graft Copolymers from Natural Rubber . Latex
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聚乙烯均相离子交换膜和化学接枝法导电网的调试
Determination of Polyethylene Homogeneous Membrane and Conducting net Prepared by Chemical Grafting Method
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2苯乙烯与聚氯乙烯膜的化学接枝
The chemical grafting of styrene and PVC membrane
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重质碳酸钙苯乙烯机械力化学接枝改性工艺研究
Study on the Mechano-chemical Graft Modification Technology of Heavy Calcium Carbonate with Styrene as Modifier
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研究了表面处理剂和化学接枝单体及用量对复合鞋材拉伸强度和撕裂强度的影响;
The influence of surface conditioning agent and grafting monomer on the tensile and tearing resistance of composites was investigated .
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球型聚电解质刷最主要的制备方法是通过化学接枝的方式,使聚电解质从模板粒子的表面接枝。
Grafting polyelectrolyte on the surfaces of the template particles is the main way to prepare spherical polyelectrolyte brushes by chemical grafting .
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本文采用碱处理、硅烷偶联剂处理、化学接枝和热处理等物理化学方法,对剑麻纤维进行改性。
The modification methods of sisal fibre ( SF ) include NaOH , KH-550 , grafing and thermal treatment in this work .
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研究了Kevlar29纤维的表面化学接枝改性及其对Kevlar29/双马来酰亚胺树脂界面粘结强度的影响。
The effect of surface graft modification of Kevlar-29 on interfacial bonding strength of Kevlar-29 / bismaleimide ( BMI ) resin was investigated .
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为此,本文分别采用化学接枝法以及聚合物浸渍、交联改性的方法对硅胶进行改性,制备了高选择性有机-硅胶复合吸湿剂。
In this paper , silica gel was modified by chemical graft and impregnation to prepare organic-silica gel composite adsorbents with high selectivity .
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对石油树脂进行加氢改性、化学接枝改性可提高其性能,这将成为今后的发展方向。
Hydrogenation modification or chemical graft modification can improve petroleum resin properties , therefore , this will be the development direction for the future .
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聚合物在材料表面物理吸附或化学接枝所形成的刷子状单分子层被称为聚合物刷子,本文介绍了聚合物刷子的概念、分类以及合成方法。
Polymer chains attached onto materials surface by physicoadsorption or chemically grafting to form brush-like polymer molecular single layer like is called as polymer brush .