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[热点] 2025 - Directed C‐H Bond Functionalization asymmsyn 2026-01-20 刚刚
[合成制备] [已完结]如何将粘稠的高分子溶液中的众多小气泡除去呢?    ( 1 2 ) (11/2903) lhhjessica 2011-12-17 2011-12-26 13:20:05 by colorfulmiao
[合成制备] [已完结]聚合方法求助 (1/217) onechina 2011-12-26 2011-12-26 10:59:16 by dragon2363
[合成制备] [已完结]关于聚苯乙烯小球的制备问题 (8/2356) ahjxb18 2011-12-18 2011-12-25 15:30:12 by yi2yi
[合成制备] [已完结][关贴]环氧树脂改性问题求助 (0/194) xwh861 2011-12-25 2011-12-25 09:35:49 by xwh861
[合成制备] [已完结]大家做丙烯酸聚合物的时候考虑过竞聚率和半衰期这些东西吗? (4/1593) orc小白7 2011-12-23 2011-12-24 16:56:29 by orc小白7
[合成制备] [已完结][关贴]求购 (0/194) 3070331025 2011-12-24 2011-12-24 11:35:44 by 3070331025
[合成制备] [已完结]请教下关于聚苯胺合成的问题。 (0/263) sconsider 2011-12-23 2011-12-23 15:37:35 by sconsider
[合成制备] [已完结][关贴]每次合成出来一阶酚醛树脂黏度都不一样。怎么办。 (2/301) mingde 2011-12-20 2011-12-22 16:04:51 by nk_vigor
[合成制备] [已完结][关贴]间氨基苯酚与丙烯酸发生麦克加成应该怎么操作??? (0/220) polymer66 2011-12-22 2011-12-22 15:02:39 by polymer66
[合成制备] 【求助】150nm左右的苯乙烯胶乳 (5/1027) dna354 2011-01-18 2011-12-22 13:15:31 by 沉积岩
[合成制备] 聚吡咯与盐酸会反应么? (2/2544) 416680992 2011-12-22 2011-12-22 11:36:56 by 416680992
[合成制备] [已完结]三聚氰胺系高效减水剂的制备过程中出现了点问题 (0/373) 小蟒Andy 2011-12-22 2011-12-22 10:13:17 by 小蟒Andy
[合成制备] [已完结]求助以甲苯为溶剂的酯化反应装置 (0/1076) congzi 2011-12-22 2011-12-22 10:00:28 by congzi
[合成制备] [已完结]水性聚氨酯丙烯酸酯外观为何是透明的? (1/722) alicewang5 2011-12-21 2011-12-21 20:23:21 by wolfyloner
[合成制备] 【求助】请问一下,聚合反应的转换率大家是怎么测的啊? (5/981) kelvinse 2010-11-25 2011-12-21 17:15:51 by zmg_26137
[合成制备] [已完结]TEOS在反相微乳液中的sol-gel (评阅+5) (0/226) chuniao123 2011-12-21 2011-12-21 15:51:20 by chuniao123
[合成制备] 【求助】丙烯酸聚合 (3/621) xhl2008 2010-08-16 2011-12-21 12:35:09 by zmg_26137
[合成制备] [已完结]【求助】有关导电聚苯胺聚合反应 (0/150) lichen晨 2011-12-21 2011-12-21 11:39:20 by lichen晨
[合成制备] [已完结]用AIBN做引发剂合成产生颗粒 (7/1464) Allen26 2011-10-31 2011-12-21 11:04:55 by zmg_26137
[合成制备] [已完结]重结晶时用石油醚~沸程多少有没有关系呢~ (1/929) 米喵喵 2011-12-20 2011-12-20 16:59:21 by 东昌莘
[合成制备] [已完结][关贴]升华 提纯 升华温度与压力的关系 (0/2251) tianwaizyj 2011-12-20 2011-12-20 10:50:42 by tianwaizyj
[合成制备] [已完结]请教酸与胺的缩合剂DCC/DMAP的配比是多少,添加量是多少一般 (2/2283) xj1550 2011-12-08 2011-12-19 13:23:58 by a7187310
[合成制备] [已完结]关于甲氧基聚乙二醇单丙烯酸酯 (1/501) ruiruiy 2011-11-24 2011-12-19 11:58:24 by wangqi8578
[合成制备] [已完结]双组分聚氨酯防水涂料组分计算问题 (6/1708) hh19880327 2011-09-24 2011-12-19 11:15:47 by amullj
[合成制备] [已完结][关贴]求文献FACILITATED TRANSPORT OF CARBON-DIOXIDE - A REVIEW (1/367) 仙人球球 2011-12-19 2011-12-19 11:11:21 by nesimon
[合成制备] 【求助】酯键对醇钾的活性有影响么? (3/424) beiming 2011-04-16 2011-12-19 10:58:26 by fww6699621
[合成制备] 【求助】甲基丙烯酸甲酯的熔融问题 (7/1450) feng-peng-cheng 2010-08-09 2011-12-19 10:38:48 by 强抢枪
[合成制备] [已完结]低分子量聚丙烯酸的聚合 (2/408) 水水水中游 2011-12-18 2011-12-19 10:16:41 by yi2yi
[合成制备] 塑料聚邻苯二酰胺 (0/762) ygdyao200888 2011-12-19 2011-12-19 09:30:09 by ygdyao200888
[合成制备] [已完结]微胶囊制备主要应该注意哪些方面? (1/742) pengjinabc 2011-12-18 2011-12-18 12:51:37 by bai123
[合成制备] 【求助】请教能够溶解壳聚糖的离子液体 (5/1099) nimitz7 2009-05-29 2011-12-17 23:47:43 by zt_by
[合成制备] RAFT聚合    ( 1 2 ) (10/1412) 小鱼儿1703 2011-12-15 2011-12-17 19:23:53 by Paul-SCU
[合成制备] 【求助】MDI在聚氨酯中的作用是什么和弹性有关吗? (8/2231) chnyichao 2010-05-12 2011-12-17 10:27:10 by smyli
[合成制备] [已完结][关贴]请推荐一款自由基聚合引发剂    ( 1 2 ) (10/2189) 6sbiam 2011-12-16 2011-12-16 23:31:14 by smiledoors
[合成制备] 【求助】三元乙丙电阻50欧配方 (4/509) jkf1860 2010-07-15 2011-12-16 22:56:48 by zero603
[合成制备] 聚吡咯掺杂离子 (2/861) tingting945 2011-09-25 2011-12-16 19:50:20 by fanshuqi
[合成制备] [已完结]光密度是采用什么仪器测定的?是可见分光光度计还是浊度仪? (1/1339) yangxicshe 2011-05-05 2011-12-16 13:33:51 by txh3144522
[合成制备] 【求助】甲基丙烯酸甲酯和甲基丙烯酸共聚    ( 1 2 3 4 ) (32/2351) 小魏6819 2010-05-08 2011-12-16 11:42:40 by 北化的小申子
[合成制备] [关贴]柱子层析 的问题 (0/181) 小鱼儿1703 2011-12-16 2011-12-16 09:28:14 by 小鱼儿1703
[合成制备] [已完结]想在PEI的一级胺上接一个带羧基小分子,有没有现成方法? (1/366) 顾小白 2011-12-14 2011-12-15 20:55:16 by 顾小白
[合成制备] [已完结]请教,常压下如何向溶液中通入乙烯气体? (0/264) baicai281 2011-12-15 2011-12-15 19:48:44 by baicai281
[合成制备] 【求助】PVC膜制备 (2/895) tjufyn 2010-07-03 2011-12-15 16:17:55 by majzh1987
[合成制备] [关贴]甲基丙烯酸缩水甘油酯精馏加什么阻聚剂好啊? (1/700) wym7248659 2011-12-15 2011-12-15 15:53:59 by nk_vigor
[合成制备] [已完结]请问北京哪儿可以买到丙烯腈呢,个人可以购买吗 (8/1426) chinatongue 2011-09-23 2011-12-15 15:24:36 by xxueshann
[合成制备] [已完结]溶解丁腈橡胶液而不溶解酚醛树脂粉 (2/193) wj200612 2011-12-14 2011-12-15 11:47:06 by wj200612
[合成制备] [已完结]大伙合成TDI聚氨酯预聚体时加催化剂不? (7/2343) 6sbiam 2011-12-01 2011-12-15 09:22:32 by arrjinyang
[合成制备] [已完结]聚氨酯合成反应时间 无催化剂 (7/1943) 凤镜之夜 2011-11-11 2011-12-14 16:38:00 by nome1986
[合成制备] [已完结]求:Hybrid Organic—Inorganic Silica Materials (1/177) summerxu 2011-12-14 2011-12-14 14:16:35 by Meteorの泪
[合成制备] [已完结]丙烯酸羟乙酯 (7/810) liangzhen99 2011-12-12 2011-12-14 09:15:40 by fay6065
[合成制备] [已完结]求低聚吡咯合成方法!!! (1/530) csu_dragon 2011-12-13 2011-12-13 21:27:09 by csu_dragon
[合成制备] 聚丁二酸丁二醇酯(PBS)合成一般单体转化率和产品收率信息 (2/399) lovezy530520 2011-10-24 2011-12-13 11:13:53 by wt616
[合成制备] [已完结]哪位大侠能告诉我这是属于什么类型的聚合?有人名吗? (6/933) xin1025 2011-12-09 2011-12-13 09:55:09 by xin1025
[合成制备] [已完结][关贴]相转移催化剂与乳化剂 (1/693) tianwaizyj 2011-10-29 2011-12-13 08:25:15 by tianwaizyj
[合成制备] 光引发合成聚丙烯酰胺 (19/1988) bluesky0561 2011-10-13 2011-12-12 21:01:14 by 段许佳0701
[合成制备] [已完结]吡啶能溶于乙腈么? (2/1861) shui_15 2011-12-09 2011-12-12 19:48:00 by shui_15
[合成制备] [已完结]PVC瓦斯管 (0/262) pss645225466 2011-12-12 2011-12-12 15:01:58 by pss645225466
[合成制备] [已完结]纤维素预处理 (2/256) chenxi070707 2011-12-07 2011-12-12 08:18:31 by chenxi070707
[合成制备] [已完结]请问羟基和丁二酸酐聚合,需要什么催化剂,什么条件 (PEPI+1)(2/1360) xchao1988 2011-12-07 2011-12-11 17:22:44 by czx2910863
[合成制备] 关于二乙醇胺的问题,求解答,谢谢 (1/368) NCSU 2011-10-24 2011-12-11 16:58:17 by aids521
[合成制备] [已完结]怎样减少收缩率? (5/1213) 婉凝轩 2011-12-01 2011-12-11 16:05:59 by aids521
[合成制备] 请问乌氏粘度计比奥氏粘度计多出的一根管是干吗的啊? (4/1078) sscc 2011-12-09 2011-12-11 15:59:53 by femton
[合成制备] 生活中高分子产品的成分? (21/1971) rickyren 2011-12-09 2011-12-11 14:13:08 by mjlyxm
[合成制备] [已完结]乌尔曼偶联 (1/193) tianwaizyj 2011-12-11 2011-12-11 09:27:24 by bai123
[合成制备] [已完结]有新闻说 水可以吸收电磁辐射 为什么啊? (1/1915) diceyedong 2011-12-10 2011-12-10 13:41:15 by diceyedong
[合成制备] [已完结]分散聚合 核壳 (0/145) zuoqiuyue914 2011-12-10 2011-12-10 12:35:45 by zuoqiuyue914
[合成制备] [已完结]苯乙烯小球合成 (0/329) guoweinan 2011-12-09 2011-12-09 18:37:05 by guoweinan
[合成制备] [已完结]懂涂料的进来帮我啊 (3/827) diceyedong 2011-12-09 2011-12-09 16:52:54 by zhotta
[合成制备] [已完结]ATRP大分子引发剂MPEG-Br制备 用溴乙酸还是用溴乙酰溴 什么区别 (2/770) sunpogood 2011-12-09 2011-12-09 13:28:10 by Finnsnowing
[合成制备] 聚醚多元醇粘度异常增加,请教高手原因究竟是什么。 (1/1021) mengyy 2011-12-08 2011-12-08 16:07:51 by nk_vigor
[合成制备] 最近回答问题太多了,谁能回答我的问题(聚酯合成) (47/3188) nk_vigor 2011-11-10 2011-12-08 14:59:52 by 东农十三少
[合成制备] [已完结]丁二酰氯和羟基反应生长单酰氯的催化剂是什么 (0/301) xchao1988 2011-12-08 2011-12-08 10:11:37 by xchao1988
[合成制备] [已完结]关于羧酸与胺的合成 (4/312) xj1550 2011-11-18 2011-12-08 09:49:11 by nk_vigor
[合成制备] [已完结]氯化锂是做什么用的 (0/2127) tangopass 2011-12-07 2011-12-07 22:29:38 by tangopass
[合成制备] [已完结][关贴]如何除去有机物中的醋酸(不能碱性) (0/394) hasit9527 2011-12-07 2011-12-07 22:21:30 by hasit9527
[合成制备] [已完结][关贴]水溶性丙烯酸树脂做乳化剂制备乳液时,需要注意什么? (1/749) hhhhzzzzffff 2011-12-06 2011-12-07 12:38:20 by hhhhzzzzffff
[合成制备] [已完结][关贴]求助丙烯酸酯改性水性聚氨酯 (0/335) ahwangyufeng 2011-12-07 2011-12-07 10:31:03 by ahwangyufeng
[合成制备] 【求助】聚酰胺合成氮气保护如何实现? (9/1887) lxy927 2010-09-22 2011-12-07 10:29:45 by 自由牧羊人
[合成制备] 【求助】准备做一具有极好耐候性能的涂料,请大伙建议一下什么体系的最好    ( 1 2 3 4 ) (30/1803) 6sbiam 2010-07-19 2011-12-07 09:14:14 by kevinlwt
[合成制备] [已完结]氨基化合物的提纯,纠结啊! (1/887) 060132 2011-12-06 2011-12-06 17:41:45 by 人在书城
[合成制备] [已完结]聚氨酯包裹硅酸钠溶液形成胶囊,关于乳化相关的问题 (2/885) terence1983 2011-12-06 2011-12-06 15:12:19 by kcltlp
[合成制备] [已完结][关贴]聚二甲基硅氧烷合成 (5/1233) lyw867 2011-12-04 2011-12-06 14:47:54 by 358615353
[合成制备] 【讨论】最近聚醚怎么了。。。。 (6/560) wwfkatherine 2010-11-14 2011-12-06 14:09:31 by 358615353
[合成制备] 求助合成硅烷的高手!关于硅烷黏附促进剂的问题 (0/370) 358615353 2011-12-06 2011-12-06 14:00:16 by 358615353
[合成制备] [已完结]急求热固树脂的缺陷或国家限制使用政策 (1/153) wjp_29 2011-12-06 2011-12-06 10:48:20 by 岸上跳舞的鱼
[合成制备] [已完结]双氨基末端的PEG2000如何合成?有没有比较好的文献。 (3/799) yuqufan 2011-11-24 2011-12-06 09:47:10 by yuqufan
[合成制备] [已完结]固化剂甲基六氢苯酐的增韧改性合成 (1/684) ye674660 2011-11-17 2011-12-05 20:53:59 by wdz
[合成制备] [已完结]懂聚吡咯的教教我呀 (7/1478) diceyedong 2011-10-01 2011-12-05 15:54:59 by gq8373
[合成制备] 【交流】纯化后CuBr大家一般是怎么来储存的! (8/1657) czq2008 2010-03-09 2011-12-05 15:15:31 by jmren3361
[合成制备] 【求助】聚苯硫醚砜磺化改性的文献 (1/317) xiaohui813 2011-01-20 2011-12-05 14:16:24 by xiaopang213
[合成制备] [已完结]求助推荐一些关于聚氨酯弹性体耐热机理的经典文章 (1/346) qust-GYH 2011-12-05 2011-12-05 09:10:34 by why5201314
[合成制备] 丙烯酸酯类的自由基聚合,分子量分布做宽? (2/397) macromolecule 2011-12-01 2011-12-04 14:08:03 by macromolecule
[合成制备] [已完结]帮助做正交设计 (0/126) liukainan 2011-12-04 2011-12-04 11:53:48 by liukainan
[合成制备] [已完结]二丁胺与环氧能反应么 (0/164) qdwz 2011-12-03 2011-12-03 20:23:10 by qdwz
[合成制备] [已完结]求翻译 (0/134) ai532978884 2011-12-03 2011-12-03 18:32:31 by ai532978884
[合成制备] [已完结]聚苯乙烯合成 (7/815) x5216849 2011-12-01 2011-12-03 17:54:36 by wyky006
[合成制备] 高分子嵌段 (2/252) 松凌之梦 2011-09-20 2011-12-03 15:43:06 by 松凌之梦
[合成制备] 求答案:PCL是什么的缩写 (8/3122) liuxinqian 2011-11-29 2011-12-03 09:46:10 by liuxinqian
[合成制备] [已完结]溶液缩聚反应一段时间后,溶液变成粘稠固体,为什么?怎么办? (9/2271) guangmingcyy 2011-12-01 2011-12-02 19:53:36 by guangmingcyy
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