The annual “May Day” has quietly come.
In every corner of the motherland workers with both hands to interpret the responsibility, with the shoulder to support the responsibility, with c...
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...
Everyone has a love for beauty. Everyone likes to dress up beautifully, regardless of age, region, or gender Therefore, modern people attach great importance to skincare. Compared to men, women ten...
Mothers with children at home will focus on their children’s health and safety. Because the baby’s world has just opened, he is full of curiosity about the world, so he is interested in...
Ⅰ. Basic Information
Didecyl Dimethyl Ammonium Chloride, referred to as DDAC, with the CAS number 7173-51-5, is a high-performance third-generation double-chain quaternary ammonium cationic surfact...
Hyaluronic acid is a large molecular polysaccharide extracted from bovine vitreous humor by Columbia University ophthalmology professors Meyer and Palmer in 1934. Its aqueous solution is transparen...
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