As the weather gets warmer, the biggest headache is the imminent activation of mosquitoes. Especially the little babies, it seems that mosquitoes like to turn around the little baby, the white baby...
In life, skin problems are common. Acne is a very common skin problem, but everyone’s acne problem is different. In my years of skin care experience, I summarized some causes and solutions of...
Summer has arrived, and the most confusing thing for everyone is the preservation of food. How to ensure the freshness of food has become a hot topic nowadays. So how should we store fresh fruits a...
1-Methylcyclopropene (abbreviated as 1-MCP) CAS 3100-04-7, is a small molecule compound with a cyclic structure and is widely used in the field of agricultural product preservation due to its uniqu...
Polyethylenimine(PEI) is a water-soluble polymer. The concentration in water of commercial products is usually 20% to 50%. PEI is polymerized from ethylene imide monomer. It is a cationic polymer t...
Polyethyleneimine (PEI for short), with a CAS number of 9002-98-6, is a water-soluble cationic polymer. Its core feature is that its molecular chain is rich in a large number of amino groups (prima...
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