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- cationic grafting reaction 阳离子接枝反应
- As a result,acid pickling is beneficial to lower the velocity of cationic grafting to ramie and resulting more even distribution of cationic group on ramie fiber. 试验结果表明,酸洗可以减缓碱改性苎麻阳离子接枝改性的速度,使在苎麻上接枝的阳离子基团分布均匀;
- The results showed that grafting reaction must be operated in nitrogen, otherwise the fabric will be yellowed. 结果表明,接枝反应必须在氮气保护下进行,否则织物严重泛黄。
- The paper studies grafting reaction of SBS (styrene-butadiene-styrene three block copolymers) by vinyltrimethoxysilane. 研究了乙烯基三甲氧基硅烷接枝SBS的反应。
- The grafting reaction of dibutylmaleate(DBM)onto molten polypropylene(PP)has been discussed. 以马来酸二丁酯(DBM)为接桂单体熔融接枝聚丙烯(PP)。
- The grafting reaction and the extent of grafting had significant effects on the crystallinity and crystalline forms of isotactic polypropylene. 接枝反应和接枝率对全同立构聚丙烯的结晶度和结晶形态有很大的影响;
- The effect of molecular weight of monomer on grafting reaction and the hydrophilicity of grafting sample have been discussed. 研究单体不同分子量的变化对接枝反应和接枝样品亲水性等的影响。
- The effects of hexanolactam as electron donor on graft reaction was investigated. 并探讨了己内酰胺作为电子给体添加剂对接枝反应的影响。
- The grafting reaction of maleic anhydride (MAH) onto polypropylene powder (PP) by UV radiation is studied in this paper. 研究了聚丙烯(PP)微粒与马来酸酐(MAH)在紫外线辐照下进行接枝反应。
- Synthetic conditions, effect on graft reaction and heat stabilization of copolymer of SMAS/AM/starch were studied. 研究了甲基丙烯磺酸钠(SMAS)、丙烯酰胺(AM)与淀粉接枝共聚物的合成方法,接枝反应的影响因素和热稳定性。
- A surface modification approach involving grafting reaction of silanes with hydroxyl groups on the clay edge was successfully performed. 利用硅烷对黏土表面进行了接枝改性的研究,成功制备了表面接枝的黏土。
- The PE g MAH samples were prepared by grafting reaction of MAH onto polyethylene. The mechanical properties and compatibility of PC/PE and PC/PE g MAH blends had been studied. 考察了聚碳酸酯与聚乙烯 (PC/ PE)及聚碳酸酯与马来酸酐接枝聚乙烯 (PC/ PE- g- MAH)共混体系的力学性能 ,研究了共混体系的相容性。
- Graft reaction of acrylonitrile onto preirradiated tetrafluoro ethylene-hexafluoro ethylene copolymers powder has been reported. 报导预辐照聚全氟乙丙烯粉粒的丙烯腈接枝反应。
- In the grafting reaction,the high graft yield is gained when POE is the grafting polymer,by using its structural properties such as higher branched degree and bigger side-chain. 将POE作为接枝机体树脂,利用其支化度比较高、容易形成接枝点来获得较高的接枝率;
- Microcrystalline celluose was processed beforehand in expriment, then it made graft reaction with 3-chloromethyl-4-aminobenzoic. 该课题探讨了多种改性微晶纤维素的合成路线,并归纳出了一条较好的路线:先通过氯甲基化反应制备3-氯甲基-4-氨基苯甲酸,再采用二步法对微晶纤维素进行改性,即微晶纤维素经过预处理后,使3-氯甲基-4-氨基苯甲酸与预处理过的微晶纤维素进行接枝反应,并研究了反应条件对产率的影响;
- A polyurethane modified epoxy resin adhesive was prepared by grafting reaction between epoxy resin and prepolymer of polyurethane with the bond of -N=C=O under catalysis. 聚氨酯预聚体通过催化剂与环氧树脂接枝反应合成了聚氨酯改性环氧树脂。
- It was proved That the presence of DCPO and AIBN have great effect on the degradation of PP,The grafting reaction of AN is well in moderate reaction comdition . 试验结果表明,在合适的引发剂用量和反应条件下,丙稀腈能较好的接枝到聚丙稀上。
- The starch must be dextrinized before graft reaction, and amylopection is more suitable and initiator is potassium persulfate. 淀粉接枝前应先糊化、宜用支链较多的淀粉和过硫酸钾作引发剂。
- The melting graft reaction between maleic anhydride(MAH)and polyethylene wax(PEW)was studied,and polar group was added to the chain of PEW successfully. 研究了聚乙烯蜡(PEW)与马来酸酐(MAH)熔融接枝反应,在PEW分子链上引入了极性基团。
- Study on the effecting factors of the graft reaction of lignin from treating paper-pulping black liquor in acidification with acrylamide was accomplished. 对碱法麦草制浆黑液酸法回收的木质素与丙烯酰胺接枝共聚反应进行了试验研究。