Results 91 to 100 of about 266,361 (221)

Synthesis and Performance of Triisopropanolamine-Modified Polycarboxylate Cement Grinding Aid

In this study, a triisopropanolamine (TIPA)-modified polycarboxylate cement grinding aid was synthesized via a free radical polymerization reaction, and its effects on cement properties were investigated.
Liyan Wang, Sanan Song, Yan Yan, Chao Wang, Yu Liu, Liping Zhang, Huan Wang   +6 more
core   +1 more source

Preparation and Cement Fluidity of Slow-Release Polycarboxylate-Type Superplasticizer

, 2011
High performance polycarboxylate-type superplasticizer (PCSP) was synthesized with acrylic acid (AA), polyethylene glycol allyl ether (APEG) and one monomer of methyl acrylate (MA), methacrylate acid (MAA), acrylamide (AM), and ethyleneglycol ...
Xia Lv, Cheng Bing Yu, Wen Ying Qi
core   +1 more source

Wider application of additions in self-compacting concrete [PDF]

, 2009
Compared to normally vibrated concrete (NVC), self-compacting concrete (SCC) possesses enhanced qualities and improves productivity and working conditions due to the elimination of compaction.
Liu, M.
core  

Effect of polycarboxylate and crushed quartz in UHPC: Microstructural investigation

, 2013
International audienceThe context of this study was to find an extrudable formulation of Ultra High Performance Concretes usable in an aggressive environment.
de Noirfontaine, Marie-Noëlle, Courtial, Mireille, Dunstetter, Frédéric, Cherkaoui, Khalid, Signes-Frehel, Marcel, Mounanga, Pierre, Khelidj, Abdelhafid   +6 more
core   +1 more source

The influence of superplasticizers on the hydration of Portland cement

, 2007
The investigation of the solid and liquid phase of hydrating Portland cement in the absence and presence of a polycarboxylate-based superplasticizer (PCE) showed that the superplasticizer retarded during the first 30 hours the dissolution of alite ...
Lothenbach, B. (author), Winnefeld, F. (author), Figi, R. (author)   +2 more
core   +1 more source

Comparative study of retention of fiber-reinforced post at middle and cervical one thirds of root canal cemented by polycarboxylate and zinc phosphate cements measured at different storage times

Journal of Baghdad College of Dentistry, 2014
Background: The purpose of this study was to compare regional bond strength at middle and cervical thirds of the root canal among glass fiber-reinforced composite (FRC) endodontic posts cemented with different cements, using the push-out test to ...
Saad Zabar
doaj  

Performance Analysis of Tunnel Water Plugging Engineering Slurry Based on Polycarboxylate Superplasticizer

Medžiagotyra
In response to the low efficiency of water plugging slurry in high temperature tunnel engineering, this research explores the optimization configuration of tunnel water plugging slurry.
Daiqiang ZHU, Qiao HE, Hui YANG
doaj   +1 more source

Biological Evaluation on Glass Ionomer Cement

, 1979
Biological properties of a new dental cement of glass ionomer cement were compared with other types of conventional cement. The biological test was carried out by tissue culture method and animal examination.
Hiroshi Oshima, Yoshitsugu Imanishi, Haruyuki Kawahara   +2 more
core   +1 more source

Increased antibacterial activity of zinc polycarboxylate cement by the addition of chlorhexidine gluconate in fixed prosthodontics

, 2005
Purpose: This study evaluated the antibacterial activity of water-activated zinc polycarboxylate cement with adjunctive 0.12% chlorhexidine gluconate on the subgingival microbiota in fixed partial dentures.
Baysallar, M, Akca, E, Dogan, B, Doganci, L, Bal, B, Cetiner, D, Orug, BO, Kucukkaraaslan, A   +7 more
core   +1 more source

Study on rheological, adsorption and hydration properties of cement slurries incorporated with EPEG-based polycarboxylate superplasticizers

Frontiers in Materials
A series of polycarboxylate superplasticizers (PCEs) with different side-chain densities, main chain polymerization degrees, and side-chain lengths were designed and synthesized using a novel highly active ethylene glycol mono vinyl ether polyethylene ...
Yunhui Fang, Yunhui Fang, Yunhui Fang, Zhaopeng Wang, Dongming Yan, Huazhen Lai, Xiuxing Ma, Junying Lai, Yi Liu, Lina Zhong, Zhanhua Chen, Xiaofang Zhang, Zhijun Lin, Dongye Wang   +13 more
doaj   +1 more source