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...
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...
This summer, the sun exposure and high temperature came unexpectedly, walking on the road, many people sunscreen clothes, sunscreen hats, umbrellas, sunglasses.
Sun protection is a topic that can n...
With the progress of the times, people are paying more and more attention to environmental protection, and industrial green development has become a new leading trend. Therefore, biodegradable mate...
October 1st, quietly came, the birthday of the motherland is about to start! Bless the great motherland, happy birthday and happy holidays!
1949-2022 Warmly celebrate the 73rd anniversary of the fo...
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...
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