2015/1/30 1. Introduction. Cement world production currently increases up to approximately 4 billion tons/year. The electrical energy consumed in cement production is 110 KW/tone and about 30% of which is used for raw material preparation and about of
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aqueous compositions comprising at least one polymer A of the formula (I) can also be used as cement grinding aids, especially in combination with amino alcohols. It has
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2022/9/19 The average particle diameter of cement was reduced by 3.65 m when 0.03 wt% of PC was added as grinding aid. Moreover, a high initial fluidity of the
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2022/1/20 A molecular modified PCE-type GA was self-synthesized, and the grindability concerning grinding duration and particle size distribution of ground cement
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2022/9/19 For the production of cement concrete, ... the pH of the solution was adjusted from 4 to 5 using a 1 mol/L aqueous solution of sodium hydroxide. A pale
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A cement grinding aid containing a combination of polymer A and known cement grinding aids is also disclosed. ... Furthermore, water-soluble polycarboxylates are known as grinding aids for the production of
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Chemical base Aqueous polymers solution Packaging 1000 kg IBC Bulk deliveries Appearance / Colour Clear yellowish liquid Shelf life At least 12 months in undamaged,
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2021/12/6 Grinding aids, first introduced into cement manufacturing in 1930 [], are surface-active substances that facilitate particle comminution during the milling process.In the production of Portland cement,
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SikaGrind®-758 VN provides the following advantages in the cement production: Enhanced grinding properties of the cement mill due to less accumulation of material on
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The new polymers provide extremely high water reduction efficiency, allowing for drying energy savings and total production cost reduction. Figure 1 shows the plaster setting in presence of the new polymer
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aqueous compositions comprising at least one polymer A of the formula (I) can also be used as cement grinding aids, especially in combination with amino alcohols. It has further been found that, surprisingly, the combination of the polymers A with the customary cement grinding aids can remedy or greatly reduce the disadvantages of the known grinding
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The invention relates to an aqueous polymer composition which is used in the form of a cement grinding aid and makes it possible to effectively reduce the grinding time and to obtain cements exhibiting excellent characteristics. A cement grinding aid containing a combination of polymer A and known cement grinding aids is also disclosed.
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aqueous polymers for cement grinding production - Mining, Cement Grinding Aid – Patent application. The invention relates to an aqueous polymer composition which is used in the form of a Cement
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2019/4/9 CN102701630A CN2012101295383A CN201210129538A CN102701630A CN 102701630 A CN102701630 A CN 102701630A CN 2012101295383 A CN2012101295383 A CN 2012101295383A CN ...
获取价格Polymers 2022, 14, 3905 3 of 11 2.2. Synthesis Process The polycarboxylate grinding aids are regarded as water-soluble copolymers. They are composed of carboxyl groups and long side chains of ...
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2022/9/19 in cement can obviously have a negative influence on the durability and soundness of concrete [11]. Therefore, to develop grinding aids with moderate cost and good stability is currently of significance. It is well known that a variety of chemical additives with some dedicated functions were used in cement and concrete to enhance their ...
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in the cement production: Enhanced grinding properties of the cement mill due ... Chemical base Aqueous polymers solution Packaging 1000 kg IBC Bulk deliveries Shelf life 12 months if stored properly in original unopened packaging Storage conditions Stored in dry conditions, protected from direct sunlight and at temperat- ...
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US20090227709A1 US12/469,618 US46961809A US2009227709A1 US 20090227709 A1 US20090227709 A1 US 20090227709A1 US 46961809 A US46961809 A US 46961809A US 2009227709 A1 US2009227709 A
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2022/9/19 In view of the disadvantages of polycarboxylic acid grinding aids, such as poor reinforcement effect and cumbersome synthesis process, a new type of polycarboxylic acid grinding aid was prepared to meet the requirements of multifunctional admixture for cement concrete. The polycarboxylate grinding aid (PC) was prepared using acrylic
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the cement particles Separation of the cement particles SikaGrind®-758 VN provides the following advantages in the cement production: Enhanced grinding properties of the cement mill due to less accumulation of material on grinding balls and mill-liners. Higher separator efficiency due to improved cement particle dispersion.
获取价格SikaGrind®-874 KH is a chloride free liquid cement grinding aid with performance enhancing properties. SikaGrind®-874 KH has been specifically designed to increase the output of cement grinding plants and ob tain improved strength development for cements withhigh amount of clinker replacements. USES Improve the production rate of the
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2023/4/25 2. Background. AAMs are synthesized by the reaction of an aluminosilicate-based precursor (xSiO 2 ∙ yAl 2 O 3), alkali activators (MOH and M 2 SiO 3; where M is either alkali ion Na + or K +) and water (H 2 O). No Portland cement is required to produce alkali-activated binders, but AAMs could also be added as a supplementary
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2022/9/19 In view of the disadvantages of polycarboxylic acid grinding aids, such as poor reinforcement effect and cumbersome synthesis process, a new type of polycarboxylic acid grinding aid was
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the cement particles Separation of the cement particles SikaGrind®-758 VN provides the following advantages in the cement production: Enhanced grinding properties of the cement mill due to less accumulation of material on grinding balls and mill-liners. Higher separator efficiency due to improved cement particle dispersion.
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SikaGrind®-874 KH is a chloride free liquid cement grinding aid with performance enhancing properties. SikaGrind®-874 KH has been specifically designed to increase the output of cement grinding plants and ob tain improved strength development for cements withhigh amount of clinker replacements. USES Improve the production rate of the
获取价格2023/4/25 2. Background. AAMs are synthesized by the reaction of an aluminosilicate-based precursor (xSiO 2 ∙ yAl 2 O 3), alkali activators (MOH and M 2 SiO 3; where M is either alkali ion Na + or K +) and water (H 2 O). No Portland cement is required to produce alkali-activated binders, but AAMs could also be added as a supplementary
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A central step in cement production is the grinding of the clinker. Since clinkers are very hard, the comminution ... compositions as cement grinding aids. The aqueous compo sition comprises at least one polymer A of the formula (I). Sep. 18, 2008 ... i.e. typically 0.2 to 1.5% polymer A. 0031. The grinding process is effected typically in a
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SikaGrind®-735 (VN) provides the following advantages in the cement production: n Enhanced grinding properties of the cement mill due to less accumulation of material on grinding balls and mill-liners ... Chemical Base Aqueous polymers solution Density 1.07 +/- 0.03 kg/l (at +20°C)
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2011/1/1 The production of SAPs starts with an aqueous monomer solution with a concentration of 25 to 40 mass per cent. The solution is cooled down to 0 to 10 °C and transferred to the reactor. ... Figure 3.3 c) and d) shows the pores formed by SAP particles in cement paste after drying. The gel polymer forms irregular pores, the inverse
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SikaGrind®-160 KE provides the following advantages in the cement production: Enhanced grinding properties of the cement mill due to less accumulation of material on grinding balls and mill-liners and higher separator efficiency due to improved cement particle dispersion ... Aqueous blend of minerals and polymers. Shelf life. 12 months
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2021/12/6 Grinding aids, first introduced into cement manufacturing in 1930 [], are surface-active substances that facilitate particle comminution during the milling process.In the production of Portland cement, grinding aids are added in small amounts in the range of 0.01 to 0.10% by weight of cement, according to the PN-EN 197-1 standard [].They
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EP1761473A1 EP05754131A EP05754131A EP1761473A1 EP 1761473 A1 EP1761473 A1 EP 1761473A1 EP 05754131 A EP05754131 A EP 05754131A EP 05754131 A EP05754131 A EP ...
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EFFICIENT GRINDING AID FOR THE PRODUCTION OF CEMENT DESCRIPTION SikaGrind®-738 is a chloride-free liquid cement grind-ing aid with performance enhancing properties. SikaG- ... Composition Aqueous polymers solution Packaging 1 000 L IBC Bulk deliveries 12 months from date of production
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SikaGrind®-736 (VN) provides the following advantages in the cement production: n Enhanced grinding properties of the cement mill due to less accumulation of material on grinding balls and mill-liners ... Chemical Base Aqueous polymers solution Density 1.07 +/- 0.03 kg/l (at +20°C)
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SikaGrind®-180 KE provides the following advantages in the cement production: Enhanced grinding properties of the cement mill due to less accumulation of material on grinding balls and mill-liners; ... Aqueous blend of minerals and polymers. Shelf life. 12 months from date of production.
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EFFICIENT GRINDING AID FOR THE PRODUCTION OF CEMENT DESCRIPTION SikaGrind®-789 is liquid cement grinding aid with per-formance enhancing properties. SikaGrind®-789 has been specifically designed to in- ... Chemical base Aqueous polymers solution Packaging 1000 kg IBC Bulk deliveries
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