additives for hydraulic cement compositions

additives for hydraulic cement compositions

  • us5294256a - additives for hydraulic cement compositions - google patents

    US5294256A - Additives for hydraulic cement compositions - Google Patents

    The present invention provides additives for hydraulic cement compositions, particularly masonry cements, which improve the water-repellancy, workability, and board life of said compositions. The additives of the invention comprise a

  • us6290772b1 - processing additives for hydraulic cements - google patents

    US6290772B1 - Processing additives for hydraulic cements - Google Patents

    The improved cements are prepared using certain hydroxylamine additives in amounts of up to 0.1% which preferably are added during grinding of the cement in which case the amines further act as grinding aids.

  • wo1986002921a1 - additive for hydraulic cement mixes - google patents

    WO1986002921A1 - Additive for hydraulic cement mixes - Google Patents

    Discuss 239000011396 hydraulic cement Substances 0.000 title claims abstract description 29 239000000654 additives Substances 0.000 title claims description 8 230000000996 additive Effects 0.000 title claims description 6 239000000203 mixtures

  • additives for cement compositions - allouche mickael

    Additives for cement compositions - ALLOUCHE MICKAEL

    9/12/2004 · [0001] The present invention relates to additives for cement systems. In particular, the invention provides additives and cement compositions in which the behaviour of the cement at an interface is modified or controlled. [0002] Additives are us

  • additives for general uses - sciencedirect

    Additives for General Uses - ScienceDirect

    1/1/2015 · Hydraulic cement compositions often comprise defoamers. Defoamers are utilized, as components in well treatment fluids to prevent the formation of foam or the entrainment of gas during the preparation and placement of the well treatment fluid in

  • encapsulated fluid-loss additives for cement compositions - cement lime gypsum

    Encapsulated fluid-loss additives for cement compositions - Cement Lime Gypsum

    (22) 21.07.2014 (43) 28.01.2016 (57) Disclosed are methods and compositions for cementing in a subterranean formation. An example method of cementing comprises providing a cement composition comprising a hydraulic cement, water, and an encapsula

  • cement additives - sciencedirect

    Cement additives - ScienceDirect

    1/1/2015 · Viscosifying additives are often used in well cement compositions to prevent the settling of solids in the cement compositions after they are placed in a subterranean zone to be cemented. While such cement composition viscosifying additives have

  • us patent for self-desiccating, dimensionally-stable hydraulic cement compositions with enhanced workability patent (patent # 10,584,061 issued

    US Patent for Self-desiccating, dimensionally-stable hydraulic cement compositions with enhanced workability Patent (Patent # 10,584,061 issued

    Cementitious binder compositions for cementitious products including a hydraulic cement-based reactive powder blend, an inorganic flow control agent, and a metal-based dimensional movement stabilizing agent including at least one member of the

  • modification of cement pore fluid compositions by pozzolanic additives - sciencedirect

    Modification of cement pore fluid compositions by pozzolanic additives - ScienceDirect

    1/3/1988 · Slag cement blends were made using cement OPC, Table I, and blast furnace slag. The slag was examined petrographically and found to contain > 98Z glass; it also had 1.31Z S. Cylinders formulated with O-90Z slag and OPC as well as two

  • use of polycarboxylate ethers in combination with other additives for milling cement - cement lime gypsum

    Use of polycarboxylate ethers in combination with other additives for milling cement - Cement Lime Gypsum

    Stabilized aqueous suspension for initiating setting and hardening of aluminous cement compositions (22) 19.10.2016 (43) 11.10.2018 (57) A long-term stabilized aqueous initiator composition, which includes components for curing of a

  • (pdf) cement compositions with the chitosan additive

    (PDF) Cement Compositions with the Chitosan Additive

    the cement composition samples with the additives of a synthetic water repellent polyethylhydrosiloxane and a natural aminopolysaccharide 2-amino-2-deoxy- ȕ -D-glucan – chitosan.

  • us patent application for versatile additives for well cementing applications patent application (application #20080318811 issued december 25

    US Patent Application for Versatile Additives For Well Cementing Applications Patent Application (Application #20080318811 issued December 25

    Cement C Construction - ASTM 8 3300 Type I-II Cement D Construction - Lafarge 7 3900 (TM) American cement Cement E Construction - Holcim 8 2800 (TM) cement Cement F Oilfield - Class A 6 3000 All the slurries were prepared with fresh water, and

  • cement - wikipedia

    Cement - Wikipedia

    Non-hydraulic cement, such as slaked lime (calcium oxide mixed with water), hardens by carbonation in contact with carbon dioxide, which is present in the air (~ 412 vol. ppm ≃ 0.04 vol. %).First calcium oxide (lime) is produced from calcium

  • preparation and applications of hydrophobic multicomponent based redispersible polymer powder: a review - sciencedirect

    Preparation and applications of hydrophobic multicomponent based redispersible polymer powder: A review - ScienceDirect

    30/6/2020 · US2014/0275307A1 (2014) discloses additives prepared from polyurethane powder and RD powder used in hydraulic binders such as cement compositions. RD polymer powders are used as binder/ aggregate to enhance the properties of cementitious composi