Preparation method of 2-isopropoxystyrene_Kain Industrial Additive
Background and overview[1] 2-Isopropoxystyrene is an organic intermediate. O-(2-propoxy)salicylic aldehyde can be prepared from salicylaldehyde as raw material, and then 2-isopropoxystyrene can be pre…
Synthesis method of α-methylstyrene and its application fields_Kain Industrial Additive
Background and overview[1][2][3] α-Methylstyrene (abbreviated as a-MS or AMS), also known as α-methylstyrene or phenylisopropylene, is a by-product of the cumene production of phenol acetone. Generall…
Preparation method of 4-hydroxy-nitrostyrene_Kain Industrial Additive
Background and overview[1] 4-Hydroxy-nitrostyrene is an important intermediate raw material for the synthesis of pharmaceutical products. The existing preparation methods of 4-hydroxy-β-nitrostyrene h…
Preparation method of anti-segregation agent for concrete and its application and process
1. This technology relates to the technical field of concrete admixtures, to an anti-segregation agent for concrete, and specifically to a preparation method and application of an anti-segregation age…
A kind of concrete anti-segregation agent and a kind of concrete making method
This technology relates to the technical field of building material admixtures, and in particular to a concrete anti-segregation agent and a concrete. Background technology: Concrete water-reducing ag…
By chance, I obtained a rare early-strength water-reducing agent compound method.
Commonly used compound materials include sodium gluconate, dextrin, air-entraining agents, defoaming agents, sodium nitrate, inorganic salts, alcoholamine enhancers, etc. The compounding methods are: …
A kind of preparation method of concrete density agent
Concrete siliceous density agent has the functions of moisture-proof, waterproof, anti-seepage and anti-cracking. It is mainly used in construction, municipal administration, water conservancy, bridge…
Preparation method of anti-segregation agent for concrete and its application and process Hebei anti-segregation agent manufacturer
1. This technology relates to the technical field of concrete admixtures, to an anti-segregation agent for concrete, and specifically to a preparation method and application of an anti-segregation age…
A high-efficiency anti-segregation agent for concrete and its use method Shanghai anti-segregation agent manufacturer Jiangsu regular concrete anti-segregation agent
This technology relates to the field of concrete, specifically a high-efficiency anti-segregation agent for concrete and its use method. With the development of society and the acceleration of urban c…
Anti-adsorption agent for concrete and its preparation method and process Hubei anti-segregation agent manufacturer
Polycarboxylate water-reducing agent is a new generation of high-performance water-reducing agent due to its low dosage, high water-reducing rate, good fluidity and slump retention of fresh concrete, …