Article(id=1319987101031060360, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319987055371858691, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20210352, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1632412800000, receivedDateStr=2021-09-24, revisedDate=1635177600000, revisedDateStr=2021-10-26, acceptedDate=null, acceptedDateStr=null, onlineDate=1792639049060, onlineDateStr=2026-10-22, pubDate=1645286400000, pubDateStr=2022-02-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792639049060, onlineIssueDateStr=2026-10-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792639049060, creator=13701087609, updateTime=1792639049060, updator=13701087609, issue=Issue{id=1319987055371858691, tenantId=1146029695717560320, journalId=1263187385517883426, year='2022', volume='50', issue='2', pageStart='277', pageEnd='554', issueExtLink='null', onlineDate='null', pubDate='1645286400000', pubDateStr='2022-02-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1792639038174, creator='13701087609', updateTime=1792639254308, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1319987961958089069, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319987055371858691, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1319987961958089070, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319987055371858691, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=445, endPage=451, ext={EN=ArticleExt(id=1319987101240775561, articleId=1319987101031060360, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Effect of Polycarboxylate Superplasticizer with Different Structure on Viscosity and Adsorption Behavior of Cement-Silica Fume Paste, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

To improve the working performance of ultra-high performance concrete (UHPC), two kinds of water reducers with different structures, i.e., polyoxyethylene (EO) polyether (PCE-1) and propylene oxide block polyoxyethylene (EO/PO) polyether (PCE-2), were prepared. The performance of cement-silica fume slurry in a low water-binder ratio with two water reducing agents was evaluated via slurry fluidity, slurry viscosity test, total organic carbon test, and surface tension test, and the relevant mechanism was discussed. The results show that at PCE-2 in the slurry at 0.16 of water-binder ratio and 5%-25% of silica fume content (in mass fraction) has an adsorption-dispersion effect on silica fume rather than PCE-1, thus increasing the fluidity of cement-silica fume slurry. The block polyether structure of water reducer can adjust the surface tension and viscosity of the interstitial fluid, and reduce the viscosity of the cement-silica fume slurry.

, authors=Ming LIU, Lei ZHANG, Wen YANG, Yuxin GAO, Chao ZENG, Yaoling LUO, Zi YE, Futao WANG, Songling YAN, authorsList=Ming LIU, Lei ZHANG, Wen YANG, Yuxin GAO, Chao ZENG, Yaoling LUO, Zi YE, Futao WANG, Songling YAN, authorCompany=null, correspAuthors=Lei ZHANG, authorNote=

LIU Ming (1984-), male, Doctoral candidate. E-mail:

, correspAuthorsNote=
ZHANG Lei(1987-), male, Master. E-mail:
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为提升超高性能混凝土(UHPC)工作性能,制备了聚氧乙烯基(EO)聚醚型与环氧丙烷嵌段聚氧乙烯(EO/PO)聚醚型两种不同结构的减水剂(分别简称PCE-1和PCE-2)。通过测试净浆流动度、浆体黏度、总有机碳、表面张力,研究了上述两种减水剂在低水胶比水泥-硅灰浆体中的性能差异,并对相关作用机理进行了探讨。结果表明:在硅灰掺量(质量分数)5%~25%,水胶比0.16条件下,PCE-2相比PCE-1对硅灰具有更强的吸附-分散作用,水泥-硅灰浆体流动度更高;嵌段聚醚结构可调节间隙液的表面张力和黏度,降低水泥-硅灰浆体黏度。

, authors=刘明, 张磊, 杨文, 高育欣, 曾超, 罗遥凌, 叶子, 王福涛, 闫松龄, authorsList=刘明, 张磊, 杨文, 高育欣, 曾超, 罗遥凌, 叶子, 王福涛, 闫松龄, authorCompany=null, correspAuthors=张磊, authorNote=

刘明(1984—),男,博士,研究生。

, correspAuthorsNote=
张磊(1987—),男,硕士。
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不同结构聚羧酸减水剂对水泥-硅灰浆体黏度和吸附行为的影响
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刘明 , 张磊 , 杨文 , 高育欣 , 曾超 , 罗遥凌 , 叶子 , 王福涛 , 闫松龄
硅酸盐学报 | 研究论文 2022,50(2): 445-451
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硅酸盐学报 |研究论文 2022 , 50 (2) : 445 -451
不同结构聚羧酸减水剂对水泥-硅灰浆体黏度和吸附行为的影响
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刘明(1984—),男,博士,研究生。

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刘明(1984—),男,博士,研究生。

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China), AuthorCompanyExt(id=1322507377211986481, tenantId=1146029695717560320, journalId=1263187385517883426, articleId=1319987101031060360, companyId=1322507377195209263, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=中国建筑土木工程材料重点实验室,中建西部建设建材科学研究院有限公司,成都 610213)])])]
刘明 , 张磊 , 杨文, 高育欣, 曾超, 罗遥凌, 叶子, 王福涛, 闫松龄
作者信息
  • 中国建筑土木工程材料重点实验室,中建西部建设建材科学研究院有限公司,成都 610213
通讯作者:
张磊(1987—),男,硕士。
作者简介:

刘明(1984—),男,博士,研究生。

Effect of Polycarboxylate Superplasticizer with Different Structure on Viscosity and Adsorption Behavior of Cement-Silica Fume Paste
Ming LIU , Lei ZHANG , Wen YANG, Yuxin GAO, Chao ZENG, Yaoling LUO, Zi YE, Futao WANG, Songling YAN
Affiliations
  • China West Construction Academy of Building Materials, Chengdu 610015, China
  • Corresponding Author:
    ZHANG Lei(1987-), male, Master. E-mail:

    LIU Ming (1984-), male, Doctoral candidate. E-mail:

出版时间: 2022-02-20 doi: 10.14062/j.issn.0454-5648.20210352
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为提升超高性能混凝土(UHPC)工作性能,制备了聚氧乙烯基(EO)聚醚型与环氧丙烷嵌段聚氧乙烯(EO/PO)聚醚型两种不同结构的减水剂(分别简称PCE-1和PCE-2)。通过测试净浆流动度、浆体黏度、总有机碳、表面张力,研究了上述两种减水剂在低水胶比水泥-硅灰浆体中的性能差异,并对相关作用机理进行了探讨。结果表明:在硅灰掺量(质量分数)5%~25%,水胶比0.16条件下,PCE-2相比PCE-1对硅灰具有更强的吸附-分散作用,水泥-硅灰浆体流动度更高;嵌段聚醚结构可调节间隙液的表面张力和黏度,降低水泥-硅灰浆体黏度。

聚羧酸减水剂  /  超高性能混凝土  /  流动度  /  吸附行为  /  浆体黏度

To improve the working performance of ultra-high performance concrete (UHPC), two kinds of water reducers with different structures, i.e., polyoxyethylene (EO) polyether (PCE-1) and propylene oxide block polyoxyethylene (EO/PO) polyether (PCE-2), were prepared. The performance of cement-silica fume slurry in a low water-binder ratio with two water reducing agents was evaluated via slurry fluidity, slurry viscosity test, total organic carbon test, and surface tension test, and the relevant mechanism was discussed. The results show that at PCE-2 in the slurry at 0.16 of water-binder ratio and 5%-25% of silica fume content (in mass fraction) has an adsorption-dispersion effect on silica fume rather than PCE-1, thus increasing the fluidity of cement-silica fume slurry. The block polyether structure of water reducer can adjust the surface tension and viscosity of the interstitial fluid, and reduce the viscosity of the cement-silica fume slurry.

polycarboxylate superplasticizer  /  ultra-high performance concrete  /  fluidity  /  adsorption behavior  /  paste viscosity
刘明, 张磊, 杨文, 高育欣, 曾超, 罗遥凌, 叶子, 王福涛, 闫松龄. 不同结构聚羧酸减水剂对水泥-硅灰浆体黏度和吸附行为的影响. 硅酸盐学报, 2022 , 50 (2) : 445 -451 . DOI: 10.14062/j.issn.0454-5648.20210352
Ming LIU, Lei ZHANG, Wen YANG, Yuxin GAO, Chao ZENG, Yaoling LUO, Zi YE, Futao WANG, Songling YAN. Effect of Polycarboxylate Superplasticizer with Different Structure on Viscosity and Adsorption Behavior of Cement-Silica Fume Paste[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (2) : 445 -451 . DOI: 10.14062/j.issn.0454-5648.20210352
  • 国家自然科学基金青年项目(52002041)
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doi: 10.14062/j.issn.0454-5648.20210352
  • 接收时间:2021-09-24
  • 首发时间:2026-10-22
  • 出版时间:2022-02-20
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  • 收稿日期:2021-09-24
  • 修回日期:2021-10-26
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国家自然科学基金青年项目(52002041)
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    中国建筑土木工程材料重点实验室,中建西部建设建材科学研究院有限公司,成都 610213

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张磊(1987—),男,硕士。
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2种不同金属材料的力学参数
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属数
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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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