The Development Trend Of Mobile Batching Plant In The World

1, the future development trend of poly carboxylic acid products for the low dosage, highly efficient, more functional, more able to adapt to changes in composition of cement and admixture, can withstand the high silt content too much sulfate adsorption in sand and cement.Poly (carboxylic acid additive abroad still is given priority to with polyester type, Japan in recent years, major development of poly carboxylic acid water reducing agent for forcing all used in composite admixture and concrete, Japan civil association put forward the new specification, for each grade of concrete control shrinkage of mixer trucks measures are put forward.According to concrete secrete water problem, launched on the market of concrete thickener to improve the workability of concrete.Turkey, India and other developing countries are also in the introduction of polyether one-step synthesis technology in China.

 

2, the new report of the meeting of new varieties of large monomer VPEG. The macromonomer polymerization process is below 30 ℃ polymerization and maleic anhydride. Small molecule type polycarboxylic acid phosphate, bisphosphonates as adsorption chelating group, the link with polyethylene glycol, the product of the French company holds patents ChrysoSA, industrial production has been formed.

 

3, due to the rapid development of the mini mobile batching plant  industry, a large number of natural sand has been depleted, the extensive use of artificial sand, to the development of the industry has brought new problems. High clay content is the technical problems we faced. Polycarboxylate adsorption of strong sand in mud, the adsorption capacity of the mud is 290 mg / g, conventional additives (such as naphthalene-based, aliphatic, etc.) on the adsorption of mud 40 mg / g, so in the tradition of high clay gravel admixture applications, naphthalene-based, it has certain advantages. Research indicates that polyethylene glycol (2000), can be partially alleviated polycarboxylic acid adsorbed on the clay can be used as a sacrificial agent Adsorption mud domestic initial evaluation results have been affirmed. Potassium ions may also be adsorbed mud.