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Synthesis reaction of phenolic resin
Keywords: anti-corrosion carbon bricks
Release time:
2024-08-14 10:39
Source:
1. Addition reaction
Under appropriate conditions, the addition reaction of monomeric hydroxymethylphenol can continue to generate binary and multicomponent hydroxymethylphenol.
2. Condensation and condensation reactions
Condensation and condensation reactions can occur between hydroxymethylphenol and phenol molecules, as well as between different hydroxymethylphenol molecules, depending on the reaction conditions.
The continuous condensation reaction results in the formation of phenolic resin with a certain molecular weight. Due to the gradual nature of the condensation reaction, the intermediate products are quite stable and can be separated for further study.
For many years, research and analysis have generally believed that the main factors affecting the synthesis, structure, and properties of phenolic resins are as follows:
(1) The chemical structure of the raw materials;
(2) The molar ratio of phenol to aldehyde;
(3) The acidity and alkalinity of the reaction medium;
(4) Production operation methods.
Xinghui New Material produces acid resistant and anti-corrosion carbon bricks using a unique process, using high-quality graphite carbon materials and adding highly acid resistant organic composites. They are refined through high-pressure molding, vacuum impregnation, and high-temperature heat treatment processes, and have extraordinary acid and temperature resistance. They are ideal lining materials for chemical phosphoric acid reaction tanks, phosphoric acid storage tanks, and other equipment; Our company has formed a one-stop operation pattern and service system for scientific research and design, production and sales, and on-site construction. Can produce according to user requirements and fully meet customer demands. Welcome new and old customers to call or write to discuss cooperation matters.
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