{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"采用二丁基镁(MgBu2)部分或全部代替三异丁基铝(Al(i-Bu)3)作为催化体系的烷基化试剂,构成Ni(naph)2-MgBu2-BF3OEt2体系和Ni(naph)2-Al(i-Bu)3-MgBu2-BF3OEt2体系合成高顺式聚丁二烯橡胶.研究了体系在不同陈化方式和温度下的聚合反应动力学,并对聚合产物进行了测试表征.动力学研究结果表明,MgBu2的加入能增大Ni-Al-B体系的聚合反应活性,且Ni-Mg-B体系的聚合反应活性明显高于Ni-Al-B体系和Ni-Al-Mg-B体系;聚合产物测试结果表明,聚丁二烯的顺1,4-结构稍有下降,其相对分子质量、分子量分布以及门尼黏度等基本保持不变.","authors":[{"authorName":"刘炼","id":"e38ecb6a-c9f6-4b0d-a446-1f15644bf3b7","originalAuthorName":"刘炼"},{"authorName":"胡百九","id":"2dcec1be-dda3-4fab-8a0a-48401b0e1020","originalAuthorName":"胡百九"},{"authorName":"魏志勇","id":"8f7ab19f-ca31-4e18-900b-863898a148a5","originalAuthorName":"魏志勇"},{"authorName":"史云龙","id":"3fe2abcf-ef35-4e74-b28a-06a84d5a7ca2","originalAuthorName":"史云龙"},{"authorName":"张春庆","id":"b33f99b3-f4a5-4caf-bf13-fb9b0ac923d4","originalAuthorName":"张春庆"},{"authorName":"王玉荣","id":"5d88380e-d68f-4f79-91cf-a15ae927ca91","originalAuthorName":"王玉荣"},{"authorName":"廖明义","id":"a8148a99-d5ab-44ef-b098-8021f52be4f9","originalAuthorName":"廖明义"}],"doi":"","fpage":"32","id":"7a944b3b-e7f2-4a47-968a-d16043f96ac7","issue":"6","journal":{"abbrevTitle":"GFZCLKXYGC","coverImgSrc":"journal/img/cover/GFZCLKXYGC.jpg","id":"31","issnPpub":"1000-7555","publisherId":"GFZCLKXYGC","title":"高分子材料科学与工程"},"keywords":[{"id":"1c58a059-7ff8-4d05-9d94-b04afc3022fd","keyword":"催化体系","originalKeyword":"镍催化体系"},{"id":"65ac0525-509d-4037-96c7-6e62a2810b3e","keyword":"聚丁二烯","originalKeyword":"聚丁二烯"},{"id":"67ea9077-bb4d-4497-b226-153babd78d7b","keyword":"二丁基镁","originalKeyword":"二丁基镁"},{"id":"bfedee28-b2d2-4ca4-b0b3-754d36b75f23","keyword":"动力学","originalKeyword":"动力学"}],"language":"zh","publisherId":"gfzclkxygc200606008","title":"二丁基镁对催化体系合成高顺式聚丁二烯的影响","volume":"22","year":"2006"},{"abstractinfo":"为了研究钴电极在中性体系中的电催化性能和催化循环稳定性,在金属钛电极上采用电沉积方法制备了不同钴含量的涂层电极,通过X射线衍射技术、扫描电镜技术、恒电流极化曲线和循环伏安等测试技术,探讨了不同钴元素的添加量对涂层电极在中性体系中析氧电催化活性和循环稳定性的影响.结果表明,添加适量的钴元素细化了镀层晶粒,增大了电极比表面积,提高了电极的析氧催化活性,其中添加40g/L CoSO_4·5H_2O时涂层的晶粒最细,继续增加钴含量颗粒变大但形状多面,比表面积没有减小,对电极析氧催化性能影响不大;同时钴的添加不利于晶体的结晶,降低了电极表面状态的循环稳定性能.","authors":[{"authorName":"高红","id":"d8dbadb2-0962-4b6e-a3e6-77992a314073","originalAuthorName":"高红"},{"authorName":"朱承飞","id":"c154b299-3613-4b13-bada-ca39bd2c4338","originalAuthorName":"朱承飞"},{"authorName":"解瑞","id":"32ca57ca-2d72-468a-afac-61583ffea3f1","originalAuthorName":"解瑞"},{"authorName":"王晓钧","id":"62c3c82f-06b3-4307-8046-aea26f01a28c","originalAuthorName":"王晓钧"}],"doi":"","fpage":"15","id":"8356c989-7ba4-4e26-a044-2c47c881d983","issue":"11","journal":{"abbrevTitle":"CLBH","coverImgSrc":"journal/img/cover/CLBH.jpg","id":"7","issnPpub":"1001-1560","publisherId":"CLBH","title":"材料保护"},"keywords":[{"id":"1044a03b-c161-4b56-adfe-15aba456db5a","keyword":"电极","originalKeyword":"镍电极"},{"id":"26cbb392-15d6-41c4-a8b3-f8a080d2f3ed","keyword":"钴","originalKeyword":"钴"},{"id":"66bab06f-a149-4440-9729-b4cb5b069b8d","keyword":"析氧","originalKeyword":"析氧"},{"id":"4021f223-9067-4260-9533-7172caa936be","keyword":"中性体系","originalKeyword":"中性体系"},{"id":"0c2cac50-cacd-41a7-b1c8-ed8f60833785","keyword":"电催化活性","originalKeyword":"电催化活性"},{"id":"a9ca66f7-7e1b-479e-a636-d9b293ab1fae","keyword":"循环稳定性","originalKeyword":"循环稳定性"}],"language":"zh","publisherId":"clbh200911005","title":"中性体系中钴对电极析氧催化性能的影响","volume":"42","year":"2009"},{"abstractinfo":"综述了烷基铝对α-二亚胺催化体系在聚合反应中所产生的影响。甲基铝氧烷(MAO)以其较高的活化能力广泛运用于α-二亚胺催化体系中。三甲基铝(TMA)、三异丁基铝(TiBA)等无氯烷基铝也都有一定的活化能力,但远不如MAO。二乙基氯化铝(DEAC)、倍半乙基氯化铝(EASC)等含氯烷基铝有较强的活化能力,甚至比MAO的活化作用强得多,其中EASC和α-二亚胺配合可以使乙烯的聚合速率高达3966 kg PE/(mol Ni.h)。","authors":[{"authorName":"傅智盛","id":"559137bc-e206-4208-8cc2-99261690bc44","originalAuthorName":"傅智盛"},{"authorName":"蔡俊飞","id":"0ce8bd0d-814e-4a35-b108-70b67c95f961","originalAuthorName":"蔡俊飞"},{"authorName":"杨洪瑞","id":"bb174c9f-1b15-474d-b3fc-45ef69c2d58b","originalAuthorName":"杨洪瑞"},{"authorName":"范志强","id":"c910b1e6-c99c-47eb-a483-21b3d29787e1","originalAuthorName":"范志强"}],"doi":"","fpage":"165","id":"b3e4b0c5-b9b4-4d44-9915-42c4ff0c316f","issue":"2","journal":{"abbrevTitle":"GFZCLKXYGC","coverImgSrc":"journal/img/cover/GFZCLKXYGC.jpg","id":"31","issnPpub":"1000-7555","publisherId":"GFZCLKXYGC","title":"高分子材料科学与工程"},"keywords":[{"id":"6f28d907-31bd-4f44-a7c9-8dd40129dadd","keyword":"烷基铝","originalKeyword":"烷基铝"},{"id":"b29019b8-72a1-4096-828f-fbba14406d9b","keyword":"催化剂","originalKeyword":"催化剂"},{"id":"158f6407-8469-41f7-98cf-d1d6a2bcd39a","keyword":"后过渡金属","originalKeyword":"后过渡金属"},{"id":"95e48eb2-4aba-4deb-bfa3-457dfe43b495","keyword":"活化","originalKeyword":"活化"}],"language":"zh","publisherId":"gfzclkxygc201202044","title":"烷基铝在α-二亚胺催化体系中的应用","volume":"28","year":"2012"},{"abstractinfo":"采用双-(β-酮萘胺)(Ⅱ)为主催化剂,以甲基铝氧烷(MAO)为助催化剂,在甲苯溶剂中进行了苯乙烯聚合实验,并考察了聚合温度、Al/Ni摩尔比、单体浓度和聚合时间等因素对聚合反应的影响. 结果表明,双-(β-酮萘胺)(Ⅱ)/MAO催化剂显示出很高的催化活性,可催化苯乙烯聚合得到中等分子量和分子量分布较窄(Mw/Mn<1.6)的聚苯乙烯. 采用核磁共振氢谱、核磁共振碳谱、傅里叶变换红外光谱、差示扫描量热法和广角X射线衍射技术对聚合产物进行了表征. 结果表明,所得聚合物为无规聚苯乙烯.","authors":[{"authorName":"刘永明","id":"9b8ad78f-93e3-4f6b-a6ab-d6ca96e5fa05","originalAuthorName":"刘永明"},{"authorName":"贺晓慧","id":"5576775f-005f-4498-ba25-a41564f58a24","originalAuthorName":"贺晓慧"},{"authorName":"陈义旺","id":"0a1522d3-7e1c-4efa-bc1b-9b7afcf36a83","originalAuthorName":"陈义旺"},{"authorName":"伍青","id":"2d9c4900-aabf-49e4-ae9b-50fecb808725","originalAuthorName":"伍青"}],"doi":"","fpage":"349","id":"97c0eea1-5b2c-4960-bfd9-df714f7f1fb6","issue":"4","journal":{"abbrevTitle":"CHXB","coverImgSrc":"journal/img/cover/CHXB.jpg","id":"18","issnPpub":"0253-9837","publisherId":"CHXB","title":"催化学报 "},"keywords":[{"id":"32afd1f8-13b3-4f0f-a06f-72f1e2f2cadf","keyword":"","originalKeyword":"镍"},{"id":"e9b34f95-542b-4d52-a16e-e6b4d01f34bc","keyword":"络合物","originalKeyword":"络合物"},{"id":"085778c7-8079-4507-9273-a80c81aab554","keyword":"后过渡金属催化剂","originalKeyword":"后过渡金属催化剂"},{"id":"c2e037dd-51de-4c8c-b719-ae69428040e1","keyword":"苯乙烯","originalKeyword":"苯乙烯"},{"id":"d3258e41-4430-4263-85d0-2b607190cd45","keyword":"聚合","originalKeyword":"聚合"},{"id":"f64d9b8a-a87d-4fde-ae15-b9c153734f51","keyword":"聚苯乙烯","originalKeyword":"聚苯乙烯"}],"language":"zh","publisherId":"cuihuaxb200604015","title":"双-(β-酮萘胺)(Ⅱ)/MAO催化体系催化苯乙烯聚合","volume":"27","year":"2006"},{"abstractinfo":"评价了一系列中性水杨醛亚胺(Ⅱ)膦配合物在烷基铝作用下催化丙烯二聚反应的性能,并从铝比,烷基铝助剂的种类,丙烯压力,水杨醛亚胺配体上不同取代基等方面进行了考察. 结果表明,这一催化体系对丙烯二聚具有相当高的活性(30000~100*!000 h-1)和较高的二聚选择性(40%~70%);二聚体以4-甲基戊烯为主,含部分2-甲基戊烯和己烯,以及少量的二甲基丁烯.","authors":[{"authorName":"吴思忠","id":"48cca2e4-9494-4a62-87c3-407ef14305b0","originalAuthorName":"吴思忠"},{"authorName":"陆世维","id":"d9b86647-a585-4ee8-bfd0-3d0718e8cad2","originalAuthorName":"陆世维"}],"doi":"","fpage":"133","id":"973a1eac-02b6-43a8-a2cd-bf4e745cf8aa","issue":"2","journal":{"abbrevTitle":"CHXB","coverImgSrc":"journal/img/cover/CHXB.jpg","id":"18","issnPpub":"0253-9837","publisherId":"CHXB","title":"催化学报 "},"keywords":[{"id":"197c238a-cdd3-4154-aaa4-b1f5ce8f02f8","keyword":"水杨醛亚胺配体,(Ⅱ)膦配合物,丙烯,二聚,甲基戊烯,己烯,二甲基丁烯,烷基铝助剂","originalKeyword":"水杨醛亚胺配体,镍(Ⅱ)膦配合物,丙烯,二聚,甲基戊烯,己烯,二甲基丁烯,烷基铝助剂"}],"language":"zh","publisherId":"cuihuaxb200202012","title":"中性水杨醛亚胺(Ⅱ)膦体系催化丙烯二聚反应","volume":"23","year":"2002"},{"abstractinfo":"采用双-(β-酮萘胺)(Ⅱ)/B(C6F5)3/AlEt3体系可在20~90 ℃范围内在甲苯溶剂中催化醋酸降冰片烯酯聚合,得到中等分子量(Mw=7.0×103~3.1×104 g/mol)和分子量分布较窄(Mw/Mn为1.8~2.0)的醋酸降冰片烯酯聚合物.采用1H NMR、13C NMR、FT-IR、DSC、TGA及广角X射线衍射(WAXD)等技术对所得聚合物进行了结构表征和性能测试.结果表明,所得的聚醋酸降冰片烯酯为加成型产物,证明此催化体系催化醋酸降冰片烯酯聚合是按乙烯基加成模式进行的;所得聚合产物为非晶态,具有短程有序长程无序的特征,分子链间的距离为1.24 nm;聚合产物具有较好的热稳定性(Td>330 ℃),并能够溶解在大部分普通有机溶剂中.","authors":[{"authorName":"陈木青","id":"3949823e-6ea5-4037-9106-9c65e07e1a8a","originalAuthorName":"陈木青"},{"authorName":"贺晓慧","id":"d621b0ae-c0cb-4783-a503-d80a13cfeda7","originalAuthorName":"贺晓慧"},{"authorName":"陈义旺","id":"2209bbef-3781-4143-968a-d00d224c2214","originalAuthorName":"陈义旺"},{"authorName":"周魏华","id":"c8ae85a5-2760-4779-85a0-bc02e2994cb3","originalAuthorName":"周魏华"},{"authorName":"石玲","id":"af454ed4-bcfe-4413-97df-36a32e2179ab","originalAuthorName":"石玲"},{"authorName":"何福平","id":"38d13922-977f-43cf-a0c1-86d47b9f8b20","originalAuthorName":"何福平"},{"authorName":"伍青","id":"d0c2f343-e1f9-42db-89c1-8bb635cd17d5","originalAuthorName":"伍青"}],"doi":"10.3969/j.issn.1000-0518.2009.08.010","fpage":"923","id":"e0878e9a-ff89-4648-aac1-a4bf562fb02d","issue":"8","journal":{"abbrevTitle":"YYHX","coverImgSrc":"journal/img/cover/YYHX.jpg","id":"73","issnPpub":"1000-0518","publisherId":"YYHX","title":"应用化学"},"keywords":[{"id":"6311f8d5-a049-464d-89e1-1a05afe34da1","keyword":"(Ⅱ)配合物","originalKeyword":"镍(Ⅱ)配合物"},{"id":"a958f9c4-7e8b-49b2-b347-65b9bfe9b3bc","keyword":"醋酸降冰片烯酯","originalKeyword":"醋酸降冰片烯酯"},{"id":"66136b8b-0de2-4b22-9073-290ad3c8f08b","keyword":"催化聚合","originalKeyword":"催化聚合"}],"language":"zh","publisherId":"yyhx200908010","title":"双-(β-酮萘胺)(Ⅱ)/B(C6F5)3/AlEt3体系催化醋酸降冰片烯酯的聚合","volume":"26","year":"2009"},{"abstractinfo":"硫酸盐镀是目前国内应用最广的镀体系.本文阐述了硫酸盐镀的机理,介绍了镀暗、光亮镀、珍珠、黑以及基合金的工艺配方及添加剂的发展历程.","authors":[{"authorName":"丰志文","id":"56a67112-aa28-4ff9-8659-5c3610b3a569","originalAuthorName":"丰志文"}],"doi":"10.3969/j.issn.1004-227X.2002.01.013","fpage":"46","id":"7b456134-5ed0-47f6-a4f6-8b39abb63d7c","issue":"1","journal":{"abbrevTitle":"DDYTS","coverImgSrc":"journal/img/cover/DDYTS.jpg","id":"21","issnPpub":"1004-227X","publisherId":"DDYTS","title":"电镀与涂饰 "},"keywords":[{"id":"5812f6da-584d-4427-929e-c1bca5bc36dd","keyword":"镀","originalKeyword":"镀镍"},{"id":"ec5e6549-9191-41c9-8345-3c0f3b754a19","keyword":"硫酸盐","originalKeyword":"硫酸盐"}],"language":"zh","publisherId":"ddyts200201013","title":"硫酸盐镀体系的研究","volume":"21","year":"2002"},{"abstractinfo":"主要讨论了氢对甲醇气相羰基化催化体系的影响. 采用多孔碳化聚偏二氯乙烯小球负载金属催化体系,在不同进气条件下进行甲醇羰基化反应,得到不同氢含量时催化剂的活性和稳定性数据,以及氢对催化体系的微扰数据,并对催化剂的表面形态用SEM进行了表征,以评价氢的影响. 从三个方面分析了氢对气相甲醇羰基化催化体系的影响,认为适量存在的氢对长时间保持催化剂活性是有利的.","authors":[{"authorName":"李峰波","id":"946fef90-c01a-4eaa-8a11-614699b9d792","originalAuthorName":"李峰波"},{"authorName":"邹瑾","id":"51dd0151-a38f-49e6-b399-aae4e6785abc","originalAuthorName":"邹瑾"},{"authorName":"袁国卿","id":"811b578c-24cd-46a6-b1aa-2aac098657c6","originalAuthorName":"袁国卿"}],"doi":"","fpage":"539","id":"65993a5a-1614-4e7f-88ce-3c1aac9a189a","issue":"7","journal":{"abbrevTitle":"CHXB","coverImgSrc":"journal/img/cover/CHXB.jpg","id":"18","issnPpub":"0253-9837","publisherId":"CHXB","title":"催化学报 "},"keywords":[{"id":"387d80c0-b108-4690-a13a-5b983f47a84b","keyword":"多孔碳小球","originalKeyword":"多孔碳小球"},{"id":"6767e303-22ec-4fc7-8d2e-ada82a55557c","keyword":"","originalKeyword":"镍"},{"id":"b7f84b3a-9483-476c-acb9-5c48514253bf","keyword":"负载型催化剂","originalKeyword":"负载型催化剂"},{"id":"a1002edb-7313-4882-adeb-e0fde861cfbf","keyword":"甲醇","originalKeyword":"甲醇"},{"id":"aebb7816-2f6c-4fb2-aab6-95eb303f8fd3","keyword":"羰基化","originalKeyword":"羰基化"},{"id":"8d829fd2-75b6-4ee1-a2e4-dc1d138cced9","keyword":"氢","originalKeyword":"氢"}],"language":"zh","publisherId":"cuihuaxb200307014","title":"氢对气相甲醇羰基化催化体系的影响","volume":"24","year":"2003"},{"abstractinfo":"制备了两种多核苊二亚胺配合物NimL1Cl2m和NimL2Cl2m,并将其负载于MgCl2和SiO2上制备复合载体催化剂,与通用烷基铝组成新的催化体系催化乙烯聚合.研究结果表明,在AlEt2Cl为助催化剂的条件下,两种多核苊二亚胺配合物能高效催化乙烯进行聚合,制得不同支链的各种支化聚乙烯;聚合条件对乙烯聚合活性和产物性能有较大的影响.制得产物的支链使聚乙烯的熔融峰变宽,并且支化度越高,熔融峰越宽.","authors":[{"authorName":"王春丽","id":"273dc438-28b6-4905-882a-a7e17f9ff963","originalAuthorName":"王春丽"},{"authorName":"江洪流","id":"6fe2c365-92da-4618-974e-6ddb035833ca","originalAuthorName":"江洪流"},{"authorName":"胡杨剑","id":"7aea5a15-cead-4b5a-8740-877350f79ee9","originalAuthorName":"胡杨剑"},{"authorName":"王海华","id":"2eae7510-8c05-4fb6-bc0c-75944e3d4d3f","originalAuthorName":"王海华"}],"doi":"","fpage":"60","id":"58e80a20-dfa0-49c5-ab5e-29ed8f804228","issue":"4","journal":{"abbrevTitle":"GFZCLKXYGC","coverImgSrc":"journal/img/cover/GFZCLKXYGC.jpg","id":"31","issnPpub":"1000-7555","publisherId":"GFZCLKXYGC","title":"高分子材料科学与工程"},"keywords":[{"id":"60b08536-8c83-4bdf-aa1b-d832dd5062d4","keyword":"苊二亚胺配合物","originalKeyword":"苊二亚胺镍配合物"},{"id":"4b80de16-716c-479c-802e-2ae7207d40e6","keyword":"烷基铝","originalKeyword":"烷基铝"},{"id":"7456ee6a-e4f6-408c-9a82-ac03055af8ac","keyword":"乙烯聚合","originalKeyword":"乙烯聚合"},{"id":"2c6b38b6-6f89-4b7a-bce2-d5a42d35bf20","keyword":"负载催化剂","originalKeyword":"负载催化剂"},{"id":"f7e748b1-6147-4cd5-adcc-a7f9b2fa9109","keyword":"支化聚乙烯","originalKeyword":"支化聚乙烯"}],"language":"zh","publisherId":"gfzclkxygc200604015","title":"新型多核苊二亚胺配合物复合负载催化催化乙烯聚合","volume":"22","year":"2006"},{"abstractinfo":"通过交流伏安法,发现碱性体系电极在很负的电位下有非常规的法拉第电流响应.根据金属水合氧化物催化理论,电流响应是由表面缺陷处原子氧化成的水合氧化物引起的,由于其起始电位与次亚磷酸根氧化的起始电位相同,所以认为的水合氧化物是催化次亚磷酸根氧化的真正物种.","authors":[{"authorName":"田栋","id":"2137cea7-c057-4da5-b0ea-949d34e87e7b","originalAuthorName":"田栋"},{"authorName":"谢金平","id":"cfce4284-0ba9-4421-b122-7b7a2cb93cd0","originalAuthorName":"谢金平"},{"authorName":"李树泉","id":"16bbf83d-8750-4dc6-888e-9d109df5880a","originalAuthorName":"李树泉"},{"authorName":"范小玲","id":"f7d70569-7460-4c29-9aee-058bdd03a207","originalAuthorName":"范小玲"},{"authorName":"黎德育","id":"75744338-2539-407d-a02c-b0c3feea3b76","originalAuthorName":"黎德育"},{"authorName":"李宁","id":"cbf3815f-267f-44fd-8fcf-b3c89eb38033","originalAuthorName":"李宁"}],"doi":"10.3969/j.issn.1001-3660.2012.03.019","fpage":"63","id":"bb64b334-a64d-4d66-b607-7c54a70280e0","issue":"3","journal":{"abbrevTitle":"BMJS","coverImgSrc":"journal/img/cover/BMJS.jpg","id":"3","issnPpub":"1001-3660","publisherId":"BMJS","title":"表面技术 "},"keywords":[{"id":"7d327137-e51e-4e81-a91b-8c80a50c2b45","keyword":"交流伏安法","originalKeyword":"交流伏安法"},{"id":"1941f571-d520-4ef2-a1d0-7d138e087037","keyword":"次亚磷酸根","originalKeyword":"次亚磷酸根"},{"id":"d394b774-7d19-4f34-8e94-fd16a7f4620b","keyword":"的水合氧化物","originalKeyword":"镍的水合氧化物"},{"id":"76de6911-7cb5-4ba5-8bea-008748929bfb","keyword":"催化氧化","originalKeyword":"催化氧化"}],"language":"zh","publisherId":"bmjs201203019","title":"交流伏安法研究基体对次亚磷酸根的催化氧化","volume":"41","year":"2012"}],"totalpage":3152,"totalrecord":31518}