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China-Japan Lean Production Practice Summit Our company participated in the China-Japan Lean Production Practice Summit, and carefully studied and listened to some better business management methods, which can further improve our corporate culture. After more than 20 years of hard work,
Different molecular weight structures of polyethylene glycol and its application fields With the continuous expansion of the application field of polyethylene glycol, the production of polyethylene glycol in countries and regions such as Europe, America and Japan has increased rapidly. There are various types of polyethylene glycol products in foreign countries. The structure of poly(ethylene glycol) is HOCH2[CH2OCH2] nCH2OH or H[ OCH2CH2] nOH is a general term for ethylene glycol polymers having an average molecular weight of 200 to 8000 or more. With the difference in average molecular weight, the properties also vary.
Triisopropanolamine 85% PCNT Formula: C9H21NO3 CAS: 122-20-3 Description: Triisopropanolamine is a colorless to yellow liquid that is almost odorless. It is fully soluble in water. Synonyms: TRIPA, 1,1’,1”-Nitrilotri-2-propanol, Tri-2-propanolamine, Tri-iso-propanolamine, Tris(2-propanol)amine, Tris(2-Hydroxypropyl)amine Applications: Intermediate used in the production of Lubrification oils, Textile industry, Leather industry and Additive for cement
Characteristics and application of cement retention agent Cement tamping agent is a kind of high fluidity, easy to pour and dense material, especially suitable for the production of special-shaped component products. The role of cement sag agent: cement sag agent can keep the concrete slump A fast-loss additive. It can delay the hydration and condensation of cement and achieve the effect of maintaining slump.
Molecular Structure and Application Prospect of Polycarboxylate Superplasticizer Most of the polycarboxylate superplasticizers exist in liquid form on the market. The solid polycarboxylate superplasticizer has the advantages of reducing transportation cost and convenient storage, and is suitable for engineering technologies such as dry mortar, shotcrete and high-grade ceramics. The field has become a hot spot in the field of concrete water reduction research.
The use of triisopropanolamine in cement concrete Triisopropanolamine was mainly used in the fields of petrochemical and daily chemical industry. It is also a new type of cement grinding aid raw material, which has the characteristics of improving the compressive strength of cement. The replacement of inorganic salt enhancers with harmless organic compounds is an urgent need in technology and industry, and a small number of applications have begun to appear in recent years.
Application of diethanol monoisopropanolamine. Diethanol monoisopropanolamine is mostly used in cement grinding aids to replace triethanolamine and triisopropanolamine in the grinding aid raw materials. Diethanol monoisopropanolamine is a new environmentally friendly grinding aid material with excellent grinding effect. It has good compatibility with triethanolamine, triisopropanolamine and other alcohols, amines and lipids
Development and application prospects of cement grinding aid products The main market for the application of cement grinding aids, the development and application of new cement grinding aid products need to be strengthened, and its research focus has shifted to polymer synthesis technology. The synthetic polymer grinding aid combines various functional groups into the main chain structure of the polymer, and the smaller grinding aid effect and the compound grinding aid have a leaping improvement. Because the synthetic polymer grinding aid generally has a low effective amount, the grinding aid has obvious effect, and a suitable dosage range, the fluctuation of the dosage has little effect on the performance of the cement, and the production safety can be better ensured. Polymer grinding aids have low cost, good performance and high comprehensive benefits, and have broad application prospects.
Introduction to cement grinding aids and two principles Cement grinding aid is a kind of chemical additive to improve the grinding effect and performance of cement grinding. It can significantly increase the output of cement platform, the strength of cement at different ages, and improve its fluidity. The cement grinding aid can greatly reduce the phenomenon of electrostatic adsorption ball formation formed during the grinding process, and can reduce the re-agglomeration tendency of the ultrafine particles formed during the grinding process.