利用差示扫描量热仪(DSC)研究了炭纤维(CF)表面异氰酸酯化改性后阴离子接枝尼龙6(PA6)对CF/PA6复合材料中PA6的多重熔融行为的影响。
The effect of surface isocyanation of carbon fiber on the melting behavior of PA6 in CF/PA6 composites was studied by Differential Scanning Calorimetry(DSC).
接枝苏氨酸化合物可以吸附铜铁钙三种金属离子。
Threonine grafted compound could adsorb cuprum, iron and calcium.
探讨了等离子体处理时间、放电功率、气体压强及接枝单体浓度、接枝反应时间、温度等各因素对接枝率的影响规律。
The influences of the treating time, power, treating pressure of plasma, concentration of monomer, reaction temperature and time on the grafting rate are discussed.
实验中采用界面聚合法制备聚酰胺多孔微囊,然后利用等离子体接枝填孔聚合法将PNIPAM接枝在微囊壁的膜孔中。
Interfacial polymerization was introduced to prepare polyamide porous microcapsules, and plasma-graft pore-filling polymerization was used to graft PNIPAM into the pore of the microcapsule membranes.
研究了辉光放电产生的低温等离子体处理精干苎麻和选用酰胺类单体接枝对苎麻表面改性的机理及效果。
This paper studies the fine and dry ramie processed by glow-discharged plasma and takes acylmonomer grafting to test the mechanism of ramie surface modification and their effects.
运用等离子体技术改变高分子材料的表面性质的方法主要有三类:等离子体处理、等离子体聚合和等离子体接枝聚合。
There are three ways using plasma technology to modify the surface properties of polymer materials, which are plasma surface treatment, plasma polymerization and plasma graft copolymerization.
采用等离子体对聚烯烃合成纤维纸改性后,进行丙烯酸接枝,使之适用于电池隔膜。
The paper described modification of Polyolefine paper with acrylic acid induced by plasma. Grafted Polyolefine paper can be used as battery separator.
本文采用高取代度季铵型阳离子淀粉、氨基烯烃聚合物以及紫外线吸收剂BP - 4接枝氨基烯烃聚合物作为阳离子化试剂对棉纤维进行物理改性,用于活性染料无盐竭染。
Cationic starch of quaternary ammonium type with high DS, polyamines and polyamines grafted with UV-absorber BP-4 were applied as cationic agents of cotton in salt-free dyeing of reactive dyes.
同时丝素蛋白膜用氨气等离子体处理后在表面接入氨基,利用1,3丙磺酸内酯与氨基的反应在材料表面接枝磺酸基团。
Meanwhile, functional groups were also introduced by the reaction of 1,3 propane sultone with amine sites on the surface of silk fibroin film which were produced by NH 3 gas plasma.
本文研究了经施用硝基腐植酸与丙烯酸、丙烯酰胺三元接枝共聚物的赤红壤中钾离子的吸附和解吸的影响。
This paper studied the effect amended Lateritic Red soil using graft copolymer of nitro-humic acid with acrylic acid and acrylamide on the adsorption and desorption of potassium ion in soil.
与催化加热法的接枝效果相比,微波等离子体法得到的接枝率更高。
Compared with the method of heatcatalysis initiation, graft yield by MWP initiation is higher than that of heatcatalysis method.
本文采用等离子体和紫外照射接枝技术对医用高分子材料聚乙烯进行表面改性,以提高其抗凝血性能。
This paper is related to surface modification of PE films by combining plasma pretreatment with UV-induced graft polymerization, in order to improve the antithrombogenicity of polyethylene (PE) films.
研究了以EVA共聚物为基础,采用等离子体和高能电子束辐照接枝丙烯酸类单体样品的阻燃性能。
An attempt has been made in the paper aiming at imparting flame retardancy to EVA copolymer by grafting acrylic monomers induced by plasma and electron-beam preirradiation.
制得的PAA -接枝维纶具阳离子交换特性。
The derived polyacrylic acid (PAA) -pva grafted fibres possess cation exchange characteristics.
介绍了化学、等离子体、辐射和光化学等应用于聚合物分离膜领域的接枝技术的主要特点。
The grafting techniques applied in polymer membrane such as chemical, plasma, radiation and photochemical methods were introduced.
目的考察阳离子型壳寡糖硬脂酸接枝物纳米粒的理化性质及其体外释放行为。
OBJECTIVE To investigate characterization and release profiles of chitosan oligosaccharide grafted stearic acid (CSO-SA) nanoparticles in vitro.
用阳离子淀粉接枝窄相对分子质量阴离子聚丙烯酰胺制备干增强剂。
The graft copolymer of cationic starch and APAM with narrow molecular weight distribution was prepared and used for dry-strengthening agent.
采用烧杯混凝实验研究了壳聚糖(CTS)、CTS与丙烯酰胺和丙烯酸乙酯季铵盐三元接枝共聚阳离子絮凝剂(CAS)对高岭土悬浊液的絮凝特性。
Flocculation of kaolin suspensions using ternary polymerization flocculant (CAS) synthesized by chitosan (CTS), acrylamide and ethyl acrylate quaternary ammonium salt was investigated in lab-scale.
文章从等离子体改性、接枝改性等方面论述了组织工程材料的表面改性方法及其在组织工程中的应用。
This paper introduced plasma and grafting methods of surface modification of materials and the application in tissue engineering.
淀粉经过阳离子化后接枝丙烯酸(钠)对强电解质溶液的吸收倍率高于原淀粉接枝产品。
The superabsorbents - starch-grafted-polyacrylate after cationization have better absorbability than the products without cationization.
涤纶的等离子体改性加液相接枝丙烯酸处理结果表明,接枝是克服等离子体处理方法存在时间效应的有效手段。
The results of plasma grafting polymerization processing show that surface grafting AA is an effective method to overcome the timing-effect.
目前,细胞相容性聚合物的表面改性方法主要有:等离子体改性、接枝改性等方法。
To date, plasma and grafting has become main methods of surface modification of polymers.
用红外光谱(FTIR)、X射线光电子能谱(XPS)、热重分析(TGA)、扫描电镜(SEM)、离子色谱和动态接触角对接枝聚合物进行了表征。
The graft copolymers were examined by using FTIR, XPS, TGA, SEM, ion chromatography and dynamic contact angle test.
本文采用乙烯类和丙烯酸酯类单体、阴离子乳化、氧化还原系统引发反应体系对酪素进行接枝改性,以正交试验法优化合成反应条件。
In this paper, the grafting modification of casein was carried out by using vinyl and acrylic ester monomers, anionic emulsifier and REDOX catalyst system.
阳离子型改性淀粉接枝共聚物具有的多支链型结构可以明显提高絮凝剂的絮凝效果。
Multi-side-chain structure of cationic starch graft copolymer flocculants can improve flocculation effect markedly.
介绍了辐射接枝生产离子交换纤维的主要方法:共辐射接枝法、无氧预辐射接枝法和有氧预辐射接枝法。
The radiation grafting methods of producing ion-exchange fiber were introduced, including co-irradiation grafting, non-oxygen pre-irradiation grafting and oxygen pre-irradiation grafting.
结果表明,氨等离子处理会对膜表面产生一定的刻蚀作用,从而影响膜表面的粗糙度及氨基接枝密度;
The results showed that plasma treatment would etch film surface, which would affect the roughness of film surface and the density of grafted ammonia group.
前言:利用氩等离子体对聚四氟乙烯膜进行预处理,经与空气接触后接枝丙烯酸。
In this study, the Polytetrafluoroethylene (PTFE) film was pre-treated by argon plasma and contacted with air before graft with acrylic acid.
对芭蕉芋淀粉的变性(接枝共聚物和阳离子淀粉)作了初步探讨,表明芭蕉芋变性淀粉的某些性能优于玉米变性淀粉。
A study was made on its modification, that is the grafting copolymer and cationic starch of canna starch. The result shows that some properties of canna starch are superior to those of corn starch.
对芭蕉芋淀粉的变性(接枝共聚物和阳离子淀粉)作了初步探讨,表明芭蕉芋变性淀粉的某些性能优于玉米变性淀粉。
A study was made on its modification, that is the grafting copolymer and cationic starch of canna starch. The result shows that some properties of canna starch are superior to those of corn starch.
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