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Article(id=1322612340135149602, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322612265061306700, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20190625, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1568131200000, receivedDateStr=2019-09-11, revisedDate=1575734400000, revisedDateStr=2019-12-08, acceptedDate=null, acceptedDateStr=null, onlineDate=1793264954837, onlineDateStr=2026-10-29, pubDate=1589904000000, pubDateStr=2020-05-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793264954837, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793264954837, creator=13701087609, updateTime=1793264954837, updator=13701087609, issue=Issue{id=1322612265061306700, tenantId=1146029695717560320, journalId=1263187385517883426, year='2020', volume='48', issue='5', pageStart='615', pageEnd='786', issueExtLink='null', onlineDate='null', pubDate='1589904000000', pubDateStr='2020-05-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793264936938, creator='13701087609', updateTime=1793276961694, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322662700602208333, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322612265061306700, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322662700602208334, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322612265061306700, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=615, endPage=621, ext={EN=ArticleExt(id=1322612340277755939, articleId=1322612340135149602, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Influence of Hydroxyethyl Methyl Cellulose on Early Hydration of Calcium Sulfoaluminate Cement, columnId=null, journalTitle=Journal of the Chinese Ceramic Society, columnName=null, runingTitle=null, highlight=null, articleAbstract=

The influence of hydroxyethyl methyl cellulose (HEMC) on the early hydration of Portland cement and rapid-hardening calcium sulfoaluminate cement (CSA) was investigated by acoustic and electroacoustic spectrometer and low-field NMR instrument. The water retention and air void content of fresh mortars were analyzed. The results show that regardless of cement variation, the water retention and air void content are improved after the addition of HEMC. The change of zeta potential is related to cement type. For the Portland cement paste, the addition of HEMC greatly shortens the time of zeta potential becoming electropositive, and the absolute value of ζ potential for rapid-hardening CSA paste decreases slightly. In addition, the T2 distribution of HEMC containing cement pastes also appears a relaxation peak at 100-1 000 ms. Such a peak disappears after 3-d hydration for the Portland cement, while it only disappears in 120 min for rapid-hardening CSA, indicating that HEMC exerts a weak adsorption on the surface of rapid-hardening CSA particles. Unlike the retardation effect of HEMC on the Portland cement hydration, HEMC hardly affects the early hydration heat release of rapid-hardening CSA.

, authors=Kai WU1, Wang KANG1, Linglin XU1, HECKER Andreas2, LUDWIG Horst-Michael2, Peiming WANG1, authorsList=Kai WU, Wang KANG, Linglin XU, HECKER Andreas, LUDWIG Horst-Michael, Peiming WANG, authorCompany=null, correspAuthors=Peiming WANG, authorNote=

WU Kai (1987-), male, Ph.D., Associate Professor. E-mail:

, correspAuthorsNote=
WANG Peiming (1952-), male, Ph.D., Professor. E-mail:
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采用超声/电声谱仪、低场核磁共振仪、量热仪研究了羟乙基甲基纤维素（HEMC）对硅酸盐水泥和快硬硫铝酸盐水泥（CSA）早期水化的影响。测试了砂浆的保水性、含气量等宏观性能。结果表明：HEMC均显著提高了新拌砂浆的保水性和含气量，但对水泥浆体ζ电位的影响截然不同——HEMC的掺入大幅缩短了硅酸盐水泥浆体ζ电位变正的时间，却仅使快硬CSA浆体ζ电位的绝对值略微减小。此外，HEMC掺入后，水泥浆体横向弛豫时间分布曲线在100~1 000 ms内出现新的弛豫峰。对硅酸盐水泥水化而言，3 d后此峰基本消失；而快硬CSA浆体120 min时此峰便已消失，表明HEMC在快硬CSA颗粒表面的吸附作用弱，因此不同于HEMC对硅酸盐水泥水化反应显著的延缓作用，HEMC几乎不影响快硬CSA早期水化放热。

, authors=吴凯1, 康旺1, 徐玲琳1, HECKER Andreas2, LUDWIG Horst-Michael2, 王培铭1, authorsList=吴凯, 康旺, 徐玲琳, HECKER Andreas, LUDWIG Horst-Michael, 王培铭, authorCompany=null, correspAuthors=王培铭, authorNote=

吴凯（1987—），男，博士，副教授，博士研究生导师。

, correspAuthorsNote=
王培铭（1952—），男，博士，教授，博士研究生导师。
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WU Kai (1987-), male, Ph.D., Associate Professor. E-mail:

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WU Kai (1987-), male, Ph.D., Associate Professor. E-mail:

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吴凯（1987—），男，博士，副教授，博士研究生导师。

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羟乙基甲基纤维素对硫铝酸盐水泥早期水化的影响
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吴凯 1 , 康旺 1 , 徐玲琳 1 , HECKER Andreas 2 , LUDWIG Horst-Michael 2 , 王培铭 1
硅酸盐学报 | 2020,48(5): 615-621
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硅酸盐学报 | 2020 , 48 (5) : 615 -621
羟乙基甲基纤维素对硫铝酸盐水泥早期水化的影响
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吴凯（1987—），男，博士，副教授，博士研究生导师。

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吴凯1 , 康旺1, 徐玲琳1, HECKER Andreas2, LUDWIG Horst-Michael2, 王培铭1
作者信息
  • 1．同济大学材料科学与工程学院，先进土木工程材料教育部重点实验室，中国 上海 201804
  • 2．F.A. Finger Institute, Bauhaus University Weimar, Weimar 99421, Germany
通讯作者:
王培铭（1952—），男，博士，教授，博士研究生导师。
作者简介:

吴凯（1987—），男，博士，副教授，博士研究生导师。

Influence of Hydroxyethyl Methyl Cellulose on Early Hydration of Calcium Sulfoaluminate Cement
Kai WU1 , Wang KANG1, Linglin XU1, HECKER Andreas2, LUDWIG Horst-Michael2, Peiming WANG1
Affiliations
  • 1.School of Materials Science and Engineering, Tongji University, Key Laboratory of Advanced Civil Engineering Materials, Ministry of Education, Shanghai 201804, China
  • 2.F.A. Finger Institute, Bauhaus University Weimar, Weimar 99421, Germany
    • Corresponding Author:
    WANG Peiming (1952-), male, Ph.D., Professor. E-mail:

    WU Kai (1987-), male, Ph.D., Associate Professor. E-mail:

出版时间: 2020-05-20 doi: 10.14062/j.issn.0454-5648.20190625
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采用超声/电声谱仪、低场核磁共振仪、量热仪研究了羟乙基甲基纤维素（HEMC）对硅酸盐水泥和快硬硫铝酸盐水泥（CSA）早期水化的影响。测试了砂浆的保水性、含气量等宏观性能。结果表明：HEMC均显著提高了新拌砂浆的保水性和含气量，但对水泥浆体ζ电位的影响截然不同——HEMC的掺入大幅缩短了硅酸盐水泥浆体ζ电位变正的时间，却仅使快硬CSA浆体ζ电位的绝对值略微减小。此外，HEMC掺入后，水泥浆体横向弛豫时间分布曲线在100~1 000 ms内出现新的弛豫峰。对硅酸盐水泥水化而言，3 d后此峰基本消失；而快硬CSA浆体120 min时此峰便已消失，表明HEMC在快硬CSA颗粒表面的吸附作用弱，因此不同于HEMC对硅酸盐水泥水化反应显著的延缓作用，HEMC几乎不影响快硬CSA早期水化放热。

硫铝酸盐水泥  /  纤维素醚  /  早期水化  /  弛豫时间  /  ζ电位

The influence of hydroxyethyl methyl cellulose (HEMC) on the early hydration of Portland cement and rapid-hardening calcium sulfoaluminate cement (CSA) was investigated by acoustic and electroacoustic spectrometer and low-field NMR instrument. The water retention and air void content of fresh mortars were analyzed. The results show that regardless of cement variation, the water retention and air void content are improved after the addition of HEMC. The change of zeta potential is related to cement type. For the Portland cement paste, the addition of HEMC greatly shortens the time of zeta potential becoming electropositive, and the absolute value of ζ potential for rapid-hardening CSA paste decreases slightly. In addition, the T2 distribution of HEMC containing cement pastes also appears a relaxation peak at 100-1 000 ms. Such a peak disappears after 3-d hydration for the Portland cement, while it only disappears in 120 min for rapid-hardening CSA, indicating that HEMC exerts a weak adsorption on the surface of rapid-hardening CSA particles. Unlike the retardation effect of HEMC on the Portland cement hydration, HEMC hardly affects the early hydration heat release of rapid-hardening CSA.

calcium sulfoaluminate cement  /  cellulose ether  /  early hydration  /  transverse relaxation time  /  ζ potential
吴凯, 康旺, 徐玲琳, HECKER Andreas, LUDWIG Horst-Michael, 王培铭. 羟乙基甲基纤维素对硫铝酸盐水泥早期水化的影响. 硅酸盐学报, 2020 , 48 (5) : 615 -621 . DOI: 10.14062/j.issn.0454-5648.20190625
Kai WU, Wang KANG, Linglin XU, HECKER Andreas, LUDWIG Horst-Michael, Peiming WANG. Influence of Hydroxyethyl Methyl Cellulose on Early Hydration of Calcium Sulfoaluminate Cement[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (5) : 615 -621 . DOI: 10.14062/j.issn.0454-5648.20190625
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  • 中德科学基金(GZ1290)
  • 国家自然科学基金(51978505; 51872203)
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doi: 10.14062/j.issn.0454-5648.20190625
  • 接收时间：2019-09-11
  • 首发时间：2026-10-29
  • 出版时间：2020-05-20
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  • 收稿日期：2019-09-11
  • 修回日期：2019-12-08
基金
中德科学基金(GZ1290)
国家自然科学基金(51978505; 51872203)
作者信息
    1．同济大学材料科学与工程学院，先进土木工程材料教育部重点实验室，中国 上海 201804
    2．F.A. Finger Institute, Bauhaus University Weimar, Weimar 99421, Germany

通讯作者:

王培铭（1952—），男，博士，教授，博士研究生导师。
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2种不同金属材料的力学参数
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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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