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  • Reasons for Deactivation of Polyurethane Catalysts
    Oct 20 , 2021
    1. Preparation and synthesis methods of polyurethane catalystsIn a three-necked flask with a reflux condenser and a stirrer, mix up 227.2g polyethylene glycol with an average hydroxyl number of 187mgK...
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    20
    Oct
  • What Are the Types of Polyurethane Catalysts?
    Oct 13 , 2021
    The commonly used catalysts in the synthesis of polyurethane and its raw materials mainly include amine catalysts and organometallic compounds. There are many varieties of amines and organometallic co...
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    13
    Oct
  • What Are the Functional Groups of Amines?
    Sep 22 , 2021
    1. Definition of amine functional groupCarbonyl groups are also present in carboxylic acids, esters and amides. However, in these compounds, the carbonyl group is only part of the functional group. Ca...
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    22
    Sep
  • The role of all kinds of amine, in different areas of the different embodiment!
    Sep 15 , 2021
    Ⅰ. The role of monoethanolamine1. Gas purification: Absorb carbon dioxide and hydrogen sulfide from the gas.2. Solvent: Gas chromatographic stationary liquid (the highest use temperature is 50℃, the...
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    15
    Sep
  • Types of Surfactants
    Sep 08 , 2021
    1. Anionic SurfactantSuch active agents are more common in linear alkyl benzene sulfonate and sodium α-alkenyl sulfonate. Linear alkyl benzene sulfonate, also known as LAS or ABS, is a white or light...
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    08
    Sep
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