With the arrival of summer, more and more people are paying attention to their skin, especially female friends. Due to excessive sweating and strong oil secretion in summer, combined with strong ul...
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...
Glyoxylic acid is an important organic compound with both aldehyde and carboxyl groups, and is widely used in the fields of chemical engineering, medicine, and fragrances. Glyoxylic acid CAS 298-12...
What is polycaprolactone?
Polycaprolactone, abbreviated as PCL, is a semi crystalline polymer and a completely degradable material. Polycaprolactone can be classified into pharmaceutical grade and ...
What is glycolic acid?
Glycolic acid, also known as hydroxyacetic acid, is a colorless, odorless alpha-hydroxyl acid commonly derived from sugar cane. The Cas number is 79-14-1 and its chemical for...
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...