Mid-range water reducers (MRWR) for concretes

(11) EP 2 565 172 A1
(22) 30.08.2011
(43) 06.03.2013
(71) Sika Technology AG, 6340 Baar (CH)
Sika Mexicana SA de CV, 76920 Corregidora/Querétaro (MX)
(57) Waterreducing admixture for concrete, comprising a first composition comprising at least one calcium lignosulfonate; and a second composition comprising at least one vinyl-copolymer, and at least one sugar.

Related articles:

Issue 2012-04

Concrete article comprising a surface with low open-porosity

(10) WO 2012/020012 A1 (22) 9 August 2011 (09.08.2011) (43) 16 February 2012 (16.02.2012) (71) LAFARGE, 61 rue des Belles Feuilles, F-75116 Paris (FR) (57) The invention relates to an article...

more
Issue 2012-06

Polymer concrete composition

(10) WO 2011/163154 A3 (22) 21 June2011 (43) 29 December 2011 (71) DOW GLOBAL TECHNOLOGIES LLC [US/US]; 2040 Dow Center, Midland, MI 48674 (US). (57) A curable composition for polymer concrete...

more
Issue 2021-06

Composite concrete panel formed of an aerated concrete mixture and method of manufacture

(10) WO 2021/046601 Al (22) 09.09.2020 (43) 18.03.2021 (57) A method of manufacturing a composite concrete panel, comprising the steps of: forming an aerated concrete compo­sition by adding a foaming...

more
Issue 2018-08 Sika

Sika Control-600 SR minimizes drying shrinkage

Sika announces that it is the first manufacturer to receive a general building authority approval (AbZ) for a shrinkage reducing agent to minimize drying shrinkage in concrete. This was necessary...

more
Issue 2012-04

Process for the preparation of cement, motars, concrete compositions containing a calcium carbonate-based filler (pre)-treated with a superplasticizer, compositions and cement products obtained and their applications

(11) EP 2 423 265 A1 (22) 24.08.2010 (43) 29.02.2012 (71) Omya Development AG, 4665 Oftringen (CH) (57) The invention concerns a PROCESS for the preparation of cement/mortar/concrete (for...

more