HPEG VS VPEG for Concrete Superplasticizer Production Vietnam

Dispersing performance of different kinds of polycarboxylate

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As superplasticizers, a series of MPEG, IPEG and HPEG PCEs possessing different side chain lengths was employed. All PCE samples except for the HPEG PCEs which

The American Concrete Institute. Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource

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40 Years of PCE Superplasticizers Wiley Online Library

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With over 15 Mio tons of annual production, polycarboxylates (PCEs) currently dominate the global superplasticizer market. Among them, HPEG and IPEG PCEs have

Strength of concrete between the ages of 1 and 28 days at different type and dosage of PCE. W/C = 0,64. Cement used LafargeHolcim. Download: Download high-res

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Polycarboxylate Superplasticizers Used in Concrete: A review

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Currently, the market provides a broad variety of chemically distinct polycarboxylate (PCE) products; of these IPEG and HPEG PCEs have a wide market share due to their cost

(HPEG-2400 vs VPEG-2400 in Concrete Superplasticizers’ Production) Parameter of HPEG-2400 vs VPEG-2400 in Concrete Superplasticizers’ Production. The HPEG-2400 and the VPEG

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Effect of the structure of macromonomer in polycarboxylate

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Reducing the water-to-cement (w/c) ratio was the most direct way to decrease the dosage of cement while ensuring compressive strength of concrete. However, the concrete

Applicators of mortars and concretes admixed with polycarboxylate superplasticizers routinely observe that at low water-to-cement (w/c) ratios (e.g. < 0.40), the

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Synthesis and Properties of a Polycarboxylate

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For the synthesis of the reference PCE superplasticizer, sodium persulfate (≥99%) from Merck and 3-mercaptopro-pionic acid (≥99%) from Sigma-Aldrich were utilized. The MPEG

2021 marks the 40 th year since polycarboxylate superplasticizers (PCEs) have been invented by Nippon Shokubai company in Japan. This invention clearly represents a major

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Why is hpeg PCE better than other superplasticizers?
This effect is owed to the higher water demand of the calcined clay. With respect to dispersing effectiveness, among all superplasticizers the HPEG PCE (a commercial precast type PCE) consistently required the lowest dosages and clearly outperformed the other kinds. Fig. 14.
Which vpeg PCE is the most cost-effective?
Among them, HPEG and IPEG PCEs have attained a prominent position as they present the most cost-effective PCEs known at present. Recently, new vinyl ether PCEs designated as EPEG and GPEG PCEs were introduced, thus broadening the family of VPEG PCEs.
What are hpeg PCE products?
HPEG PCEs Two commercial standard HPEG PCE products were studied. They are distinguished by their anionicity, a highly anionic PCE mostly applied in precast concrete and the other a less anionic, hydrolysable slump-retainer kind which is predominantly used in the ready-mix concrete industry.
What are vpeg & gpeg PCEs?
Recently, new vinyl ether PCEs designated as EPEG and GPEG PCEs were introduced, thus broadening the family of VPEG PCEs. Furthermore, novel phosphated comb polymers which significantly reduce the stickiness of concrete have been developed.
Which is better hpeg PCE or hpeg based PCE?
Moreover, it was found that the HPEG-based precast kind presents the most effective superplasticizer also in neat CC (dosage value 0.13% bwob vs. 0.18% bwob for 45MPEG6 and 0.20% bwob for 50IPEG6). This further underlines the overall superiority of HPEG PCEs among the PCE products. 3.2.4. Summary of PCE performances
What is the difference between MPEG and IPEG PCE?
IPEG PCEs IPEG PCEs possessing different side chain lengths (either 25 or 50 EO units), but the same high acid content (molar ratio of 6:1) were probed. As presented in Fig. 8, this kind of PCE generally is inferior to the MPEG PCEs.