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- Then the copolymer of octadecyl acrylate with maleric anhydride is obtained by solution free radical copolymerization and it is a pour depressant. 用合成的丙烯酸十八酯与顺丁烯二酸酐共聚,得到二元共聚物型原油降凝剂。
- Industrial lignosulfonate is modified to graft carboxy by the free radical copolymerization reaction to synthesize a kind of scale inhibitor-the carboxylic lignosulfonate. 采用自由基共聚反应,对工业磺化木质素进行接枝羧基的改性,制备得到羧酸型磺化木质素阻垢剂。
- Firstly,the reactivity ratios of radical copolymerization are determined by intercept-slope method, YBR method, JJ method (linear intersect), TM method (non-linear least squares) and microcomputer dynamic search method using microcomputer. 第一方面：利用计算机，通过截距斜率法、YBR法、JJ法(直线交叉法)、TM法(非线性最小二乘法)和动态搜索法测算共聚体系竞聚率，其中TM法和动态搜索法获得比较精确的竞聚率结果。
- A hydroxyl-terminal fluorine-containing macromonomer was synthesized by radical copolymerization of dodecafluoroheptyl methacrylate and butyl acrylate with mercaptoethanol as chain-transfer agent. 用巯基乙醇作为链转移剂,将甲基丙烯酸十二氟庚酯与丙烯酸酯共聚成端羟基大分子单体,再合成到水性聚氨酯上获得含氟聚氨酯分散体。
- Industrial lignosulfonate LS was modified to graft carboxy by the free radical copolymerization reaction.The structure of modified lignosulfonate LSA was characterized by the infrared spectrogram. 以工业木质素磺酸盐LS为原料,采用自由基共聚反应对LS进行接枝羧基改性,制备得到改性磺化木质素LSA,用红外光谱对其结构进行表征。
- In the present paper, a series of water-soluble copolymers of acrylic acid, acrylamide and acrylonitrile segments have been synthesized in aqueous solution by radical copolymerization. 采用自由基水溶液共聚法制备了水溶性丙烯酸-丙烯酰胺-丙烯腈共聚物。
- In the paper,the cationic starch was synthesized with cornstarch methacryloyloxyethyl trimethylammonium chloride (DMC) and acrylamide (AM) by radical copolymerization with special technology. 以玉米淀粉、甲基丙烯酰氧基乙基三甲基氯化铵(DMC)和丙烯酰胺(AM)为主要原料,采用特殊工艺通过自由基共聚反应合成了阳离子淀粉。
- Keywords macromer;graft copolymer;polyoxyethylene;grafting efficiency;radical copolymerization; 大分子单体;接枝共聚物;聚环氧乙烷;接枝效率;自由基共聚;
- micellar free radical copolymerization 自由基胶束聚合
- living free radical copolymerization 活性自由基共聚合
- Atom transfer radical copolymerization of Acrylamide with Methyl Methacrylate 丙烯酰胺和甲基丙烯酸甲酯的原子转移自由基共聚合
- They called for a radical reform of our tax system. 他们要求对税收制度进行根本改革。
- He took up a radical position on this issue. 他对这个问题抱着激进的态度。
- Keywords C_60;Free radical copolymerization;Water-soluble nanosphere; 自由基共聚;水溶性纳米球;
- The man turned from Radical to Conservative. 这人从激进派变成了保守派。
- Keywords macromer;polyoxyethylene;radical copolymerization;grafting efficing; 大分子单体;聚环氧乙烷;自由基共聚;接枝效率;
- Experiment result shows that the graft copolymerization reaction agrees quite well with the general free radical mechanism and the copolymer has excellent heat stabilization. 实验结果表明,该接枝反应基本符合自由基反应的一般规律,并且其聚合产物具有明显的抗高温能力。
- His political convictions are very radical. 他的政治信念非常激进。
- I do not share his radical views. 我不同意他的激进观点。
- You can look up a character under its radical. 你可以根据部首查找汉字。
