Article(id=1319222703052145440, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319222668956643677, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20220922, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1666713600000, receivedDateStr=2022-10-26, revisedDate=1667404800000, revisedDateStr=2022-11-03, acceptedDate=null, acceptedDateStr=null, onlineDate=1792456802380, onlineDateStr=2026-10-20, pubDate=1684512000000, pubDateStr=2023-05-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792456802380, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792456802380, creator=13701087609, updateTime=1792456802380, updator=13701087609, issue=Issue{id=1319222668956643677, tenantId=1146029695717560320, journalId=1263187385517883426, year='2023', volume='51', issue='5', pageStart='1091', pageEnd='1372', issueExtLink='null', onlineDate='null', pubDate='1684512000000', pubDateStr='2023-05-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1792456794251, creator='13701087609', updateTime=1792456976356, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1319223432827490920, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319222668956643677, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1319223432827490921, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319222668956643677, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1293, endPage=1301, ext={EN=ArticleExt(id=1319222703421244193, articleId=1319222703052145440, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Synthesis and Mechanism of Shrinkage-Reducing Polycarboxylate Superplasticizer, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

To provide a theoretical reference for reducing the shrinkage and cracking of concrete and promoting the development and application of the shrinkage-reducing polycarboxylate superplasticizer, a shrinkage-reducing polycarboxylate superplasticizer (SR-PCE) with dispersion and shrinkage reducing properties was synthesized via free radical polymerization with isopentenyl polyoxyethylene ether (IPEG), acrylic acid (AA), butyl acrylate (BA) and other monomers. The molecular structure of SR-PCE was characterized by gel permeation chromatography and Fourier transform infrared spectroscopy, and its shrinkage reduction mechanism was analyzed. The results show that the molecular structure of SR-PCE is a designed structure. The optimum shrinkage reducing performance of the synthesized PCE can be obtained at a molar ratio of IPEG∶AA∶BA of 1∶5∶4. The mechanism of SR-PCE with the optimum shrinkage reducing performance mainly is since SR-PCE can further reduce the surface tension of the solution rather than ordinary PCE, SR-PCE can reduce the evaporation rate of the pore solution of cement paste and improve the pore water retention.

, authors=Haosheng GE1, 2, Zhenping SUN1, 2, Haijing YANG1, 2, Kunpeng ZHENG3, Ting ZHANG1, 2, Yong CAO4, authorsList=Haosheng GE, Zhenping SUN, Haijing YANG, Kunpeng ZHENG, Ting ZHANG, Yong CAO, authorCompany=null, correspAuthors=Zhenping SUN, authorNote=

GE Haosheng (1994-), male, Doctoral candidate. E-mail:

, correspAuthorsNote=
SUN Zhenping (1969-), male, Ph.D., Professor. E-mail:
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为了减少混凝土的收缩开裂、促进减缩型聚羧酸系减水剂的发展和应用,采用水溶液自由基聚合法,将异戊烯基聚氧乙烯醚(IPEG)、丙烯酸(AA)和丙烯酸丁酯(BA)等不饱和单体共聚合成了一种兼具分散性能和减缩性能的减缩型聚羧酸系减水剂(SR-PCE)。利用凝胶渗透色谱法和Fourier红外光谱法对SR-PCE的分子结构进行了表征,并对其减缩机理进行了分析。结果表明:所制备的SR-PCE的分子结构符合预先的设计;在保证优良分散性能的前提下,当SR-PCE分子结构中IPEG、AA和BA三者的摩尔比为1∶5∶4时,减缩性能最佳。SR-PCE发挥优良减缩作用的机理主要在于2个方面:首先,相比普通型聚羧酸系减水剂,SR-PCE可以进一步降低水溶液的表面张力;其次,SR-PCE可以减少水泥石孔溶液中水的蒸发速率,提高浆体对孔隙水的保持能力。

, authors=葛好升1, 2, 孙振平1, 2, 杨海静1, 2, 郑琨鹏3, 张挺1, 2, 曹永4, authorsList=葛好升, 孙振平, 杨海静, 郑琨鹏, 张挺, 曹永, authorCompany=null, correspAuthors=孙振平, authorNote=

葛好升(1994—),男,博士研究生。

, correspAuthorsNote=
孙振平(1969—),男,博士,教授。
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减缩型聚羧酸系减水剂的制备及机理
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葛好升 1, 2 , 孙振平 1, 2 , 杨海静 1, 2 , 郑琨鹏 3 , 张挺 1, 2 , 曹永 4
硅酸盐学报 | 研究论文 2023,51(5): 1293-1301
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硅酸盐学报 |研究论文 2023 , 51 (5) : 1293 -1301
减缩型聚羧酸系减水剂的制备及机理
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葛好升1, 2 , 孙振平1, 2 , 杨海静1, 2, 郑琨鹏3, 张挺1, 2, 曹永4
作者信息
  • 1.同济大学材料科学与工程学院,上海 201804
  • 2.同济大学先进土木工程材料教育部重点实验室,上海 201804
  • 3.中铁二院重庆勘察设计研究院有限责任公司,重庆 400023
  • 4.江苏诚意集团有限公司,江苏 徐州 221699
通讯作者:
孙振平(1969—),男,博士,教授。
作者简介:

葛好升(1994—),男,博士研究生。

Synthesis and Mechanism of Shrinkage-Reducing Polycarboxylate Superplasticizer
Haosheng GE1, 2 , Zhenping SUN1, 2 , Haijing YANG1, 2, Kunpeng ZHENG3, Ting ZHANG1, 2, Yong CAO4
Affiliations
  • 1.School of Materials Science and Engineering, Tongji University, Shanghai 201804, China
  • 2.Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education, Tongji University, Shanghai 201804, China
  • 3.CREEC (Chongqing) Survey, Design and Research CO., Ltd., Chongqing 400023, China
  • 4.Jiangsu Chengyi Group Co., Ltd., Xuzhou 221699, Jiangsu, China
  • Corresponding Author:
    SUN Zhenping (1969-), male, Ph.D., Professor. E-mail:

    GE Haosheng (1994-), male, Doctoral candidate. E-mail:

出版时间: 2023-05-20 doi: 10.14062/j.issn.0454-5648.20220922
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为了减少混凝土的收缩开裂、促进减缩型聚羧酸系减水剂的发展和应用,采用水溶液自由基聚合法,将异戊烯基聚氧乙烯醚(IPEG)、丙烯酸(AA)和丙烯酸丁酯(BA)等不饱和单体共聚合成了一种兼具分散性能和减缩性能的减缩型聚羧酸系减水剂(SR-PCE)。利用凝胶渗透色谱法和Fourier红外光谱法对SR-PCE的分子结构进行了表征,并对其减缩机理进行了分析。结果表明:所制备的SR-PCE的分子结构符合预先的设计;在保证优良分散性能的前提下,当SR-PCE分子结构中IPEG、AA和BA三者的摩尔比为1∶5∶4时,减缩性能最佳。SR-PCE发挥优良减缩作用的机理主要在于2个方面:首先,相比普通型聚羧酸系减水剂,SR-PCE可以进一步降低水溶液的表面张力;其次,SR-PCE可以减少水泥石孔溶液中水的蒸发速率,提高浆体对孔隙水的保持能力。

分子结构设计  /  自由基聚合  /  减缩型聚羧酸系减水剂  /  作用机理  /  表面张力

To provide a theoretical reference for reducing the shrinkage and cracking of concrete and promoting the development and application of the shrinkage-reducing polycarboxylate superplasticizer, a shrinkage-reducing polycarboxylate superplasticizer (SR-PCE) with dispersion and shrinkage reducing properties was synthesized via free radical polymerization with isopentenyl polyoxyethylene ether (IPEG), acrylic acid (AA), butyl acrylate (BA) and other monomers. The molecular structure of SR-PCE was characterized by gel permeation chromatography and Fourier transform infrared spectroscopy, and its shrinkage reduction mechanism was analyzed. The results show that the molecular structure of SR-PCE is a designed structure. The optimum shrinkage reducing performance of the synthesized PCE can be obtained at a molar ratio of IPEG∶AA∶BA of 1∶5∶4. The mechanism of SR-PCE with the optimum shrinkage reducing performance mainly is since SR-PCE can further reduce the surface tension of the solution rather than ordinary PCE, SR-PCE can reduce the evaporation rate of the pore solution of cement paste and improve the pore water retention.

molecular structure design  /  free radical polymerization  /  shrinkage reducing polycarboxylate superplasticizer  /  mechanism  /  surface tension
葛好升, 孙振平, 杨海静, 郑琨鹏, 张挺, 曹永. 减缩型聚羧酸系减水剂的制备及机理. 硅酸盐学报, 2023 , 51 (5) : 1293 -1301 . DOI: 10.14062/j.issn.0454-5648.20220922
Haosheng GE, Zhenping SUN, Haijing YANG, Kunpeng ZHENG, Ting ZHANG, Yong CAO. Synthesis and Mechanism of Shrinkage-Reducing Polycarboxylate Superplasticizer[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (5) : 1293 -1301 . DOI: 10.14062/j.issn.0454-5648.20220922
  • 国家自然科学基金(52278272)
  • 国家自然科学基金(52108240)
  • 上海市科学技术委员会(19DZ1202702; 19DZ1201404)
  • 上海市住房和城乡建设管理委员会(2021-001-002)
  • 内蒙古自治区科技计划项目(2022YFDZ0063)
  • 云南省科技厅专家工作站项目(202105AF150243)
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2023年第51卷第5期
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doi: 10.14062/j.issn.0454-5648.20220922
  • 接收时间:2022-10-26
  • 首发时间:2026-10-20
  • 出版时间:2023-05-20
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  • 收稿日期:2022-10-26
  • 修回日期:2022-11-03
基金
国家自然科学基金(52278272)
国家自然科学基金(52108240)
上海市科学技术委员会(19DZ1202702; 19DZ1201404)
上海市住房和城乡建设管理委员会(2021-001-002)
内蒙古自治区科技计划项目(2022YFDZ0063)
云南省科技厅专家工作站项目(202105AF150243)
作者信息
    1.同济大学材料科学与工程学院,上海 201804
    2.同济大学先进土木工程材料教育部重点实验室,上海 201804
    3.中铁二院重庆勘察设计研究院有限责任公司,重庆 400023
    4.江苏诚意集团有限公司,江苏 徐州 221699

通讯作者:

孙振平(1969—),男,博士,教授。
参考文献
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https://castjournals.cast.org.cn/joweb/gsyxb/CN/10.14062/j.issn.0454-5648.20220922
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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