Article(id=1319987093166740259, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319987055371858691, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20210575, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1626192000000, receivedDateStr=2021-07-14, revisedDate=1634659200000, revisedDateStr=2021-10-20, acceptedDate=null, acceptedDateStr=null, onlineDate=1792639047184, onlineDateStr=2026-10-22, pubDate=1645286400000, pubDateStr=2022-02-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792639047184, onlineIssueDateStr=2026-10-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792639047184, creator=13701087609, updateTime=1792639047184, 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=354, endPage=363, ext={EN=ArticleExt(id=1319987093451952932, articleId=1319987093166740259, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Hydration of Styrene-Acrylic Copolymer Modified Calcium Sulphoaluminate Clinker with Anhydrite, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

The effect of styrene acrylic (SA) copolymer on the early hydration of calcium sulphoaluminate-anhydrite composite was investigated by calorimetry, X-ray diffraction, thermogravimetic analysis, scanning electron microscopy, and inductively coupled plasma-optical emission spectroscopy. The results show that SA can delay the hydration process, reduce the content of ettringite (AFt), single sulfur calcium sulphoaluminate hydrate (AFm) and Al(OH)3 (AH3) in the accelerated hydration period, and promote the reaction of AH3 with anhydrite and calcium hydroxide to form AFt as well as the transformation of AFt to AFm in the late hydration period. Also, SA can rapidly reduce the surface tension of the pore solution, and the surface tension tends to be stable within the hydration reaction. SA can increase the pH value of the pore solution, increase the concentration of OH- and affect the concentration of Ca2+, SO42- and [Al(OH)4]- in the composite, and decrease the ion concentration and the precipitation rate of hydration products at the initial stage of hydration, thus delaying the hydration process and reducing the hydration products.

, authors=Xiaorong LIU1, 2, Ru WANG1, 2, authorsList=Xiaorong LIU, Ru WANG, authorCompany=null, correspAuthors=Ru WANG, authorNote=

LIU Xiaorong (1995-), female, Master candidate. E-mail:

, correspAuthorsNote=
WANG Ru (1975-), female, Ph.D., Professor. E-mail:
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采用量热仪、X射线衍射仪、热重、扫描电镜、电感耦合等离子光谱等方法研究了苯丙共聚物(SA)对硫铝酸钙胶结料-无水石膏复合体系早期水化的影响。结果表明:SA会延缓水化进程,减少水化加速期钙矾石(AFt)、单硫型水化硫铝酸钙(AFm)和Al(OH)3(AH3)含量,促进AH3与石膏和氢氧化钙反应生成AFt,并促进水化后期AFt向AFm转变。同时,SA会迅速降低体系孔溶液的表面张力,随着水化反应进行表面张力趋于稳定;SA也提高了孔溶液的pH值,增大OH-浓度,影响了体系中Ca2+、SO42-和[Al(OH)4]-的浓度和比例,减小水化初期水化产物的离子浓度积,降低水化产物析出速率,进而延缓水化进程、减少水化产物。

, authors=刘校荣1, 2, 王茹1, 2, authorsList=刘校荣, 王茹, authorCompany=null, correspAuthors=王茹, authorNote=

刘校荣(1995—),女,硕士研究生。

, correspAuthorsNote=
王茹(1975—),女,博士,教授。
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苯丙共聚物改性硫铝酸钙胶结料-无水石膏复合体系的水化
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刘校荣 1, 2 , 王茹 1, 2
硅酸盐学报 | 研究论文 2022,50(2): 354-363
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硅酸盐学报 |研究论文 2022 , 50 (2) : 354 -363
苯丙共聚物改性硫铝酸钙胶结料-无水石膏复合体系的水化
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刘校荣1, 2 , 王茹1, 2
作者信息
  • 1.先进土木工程材料教育部重点实验室,上海 201804
  • 2.同济大学材料科学与工程学院,上海 201804
通讯作者:
王茹(1975—),女,博士,教授。
作者简介:

刘校荣(1995—),女,硕士研究生。

Hydration of Styrene-Acrylic Copolymer Modified Calcium Sulphoaluminate Clinker with Anhydrite
Xiaorong LIU1, 2 , Ru WANG1, 2
Affiliations
  • 1.Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education, Shanghai 201804, China
  • 2.School of Materials Science and Engineering, Tongji University, Shanghai 201804, China
  • Corresponding Author:
    WANG Ru (1975-), female, Ph.D., Professor. E-mail:

    LIU Xiaorong (1995-), female, Master candidate. E-mail:

出版时间: 2022-02-20 doi: 10.14062/j.issn.0454-5648.20210575
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采用量热仪、X射线衍射仪、热重、扫描电镜、电感耦合等离子光谱等方法研究了苯丙共聚物(SA)对硫铝酸钙胶结料-无水石膏复合体系早期水化的影响。结果表明:SA会延缓水化进程,减少水化加速期钙矾石(AFt)、单硫型水化硫铝酸钙(AFm)和Al(OH)3(AH3)含量,促进AH3与石膏和氢氧化钙反应生成AFt,并促进水化后期AFt向AFm转变。同时,SA会迅速降低体系孔溶液的表面张力,随着水化反应进行表面张力趋于稳定;SA也提高了孔溶液的pH值,增大OH-浓度,影响了体系中Ca2+、SO42-和[Al(OH)4]-的浓度和比例,减小水化初期水化产物的离子浓度积,降低水化产物析出速率,进而延缓水化进程、减少水化产物。

苯丙共聚物  /  硫铝酸钙  /  无水石膏  /  水化

The effect of styrene acrylic (SA) copolymer on the early hydration of calcium sulphoaluminate-anhydrite composite was investigated by calorimetry, X-ray diffraction, thermogravimetic analysis, scanning electron microscopy, and inductively coupled plasma-optical emission spectroscopy. The results show that SA can delay the hydration process, reduce the content of ettringite (AFt), single sulfur calcium sulphoaluminate hydrate (AFm) and Al(OH)3 (AH3) in the accelerated hydration period, and promote the reaction of AH3 with anhydrite and calcium hydroxide to form AFt as well as the transformation of AFt to AFm in the late hydration period. Also, SA can rapidly reduce the surface tension of the pore solution, and the surface tension tends to be stable within the hydration reaction. SA can increase the pH value of the pore solution, increase the concentration of OH- and affect the concentration of Ca2+, SO42- and [Al(OH)4]- in the composite, and decrease the ion concentration and the precipitation rate of hydration products at the initial stage of hydration, thus delaying the hydration process and reducing the hydration products.

styrene-acrylic copolymer  /  calcium sulphoaluminate  /  anhydrite  /  hydration
刘校荣, 王茹. 苯丙共聚物改性硫铝酸钙胶结料-无水石膏复合体系的水化. 硅酸盐学报, 2022 , 50 (2) : 354 -363 . DOI: 10.14062/j.issn.0454-5648.20210575
Xiaorong LIU, Ru WANG. Hydration of Styrene-Acrylic Copolymer Modified Calcium Sulphoaluminate Clinker with Anhydrite[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (2) : 354 -363 . DOI: 10.14062/j.issn.0454-5648.20210575
  • 国家自然科学基金项目(51872203; 51572196)
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doi: 10.14062/j.issn.0454-5648.20210575
  • 接收时间:2021-07-14
  • 首发时间:2026-10-22
  • 出版时间:2022-02-20
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  • 收稿日期:2021-07-14
  • 修回日期:2021-10-20
基金
国家自然科学基金项目(51872203; 51572196)
作者信息
    1.先进土木工程材料教育部重点实验室,上海 201804
    2.同济大学材料科学与工程学院,上海 201804

通讯作者:

王茹(1975—),女,博士,教授。
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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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