polyacrylamide resin/cas number: 9003-05-8 in india

polyacrylamide resin/cas number: 9003-05-8 in india
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  • What is the pH range of polyacrylamide?
  • In the pH range of 3 to 9, it can maintain a good degree of stability; at high pH, the viscosity will be increased gradually. Miscibility: in generally used concentration, polyacrylamide has miscibility with most water-soluble natural or synthetic resins, latex systems, and most of the salts.
  • Is polyacrylamide contaminated with acrylamide?
  • Polyacrylamide is of low toxicity but its precursor acrylamide is a neurotoxin and carcinogen. Thus, concerns naturally center on the possibility that polyacrylamide is contaminated with acrylamide. Considerable effort is made to scavenge traces of acrylamide from the polymer intended for use near food.
  • What solvents are soluble in polyacrylamide?
  • Solubility in Other Solvents: polyacrylamide has a over 1% solubility in solvents such as glycerol, ethylene glycol, formaldehyde, acetic acid and lactic acid (these materials may be used as the plasticizer for laminating polyacrylamide).
  • Why is polyacrylamide not a polyamide?
  • It can be viewed as polyethylene with amide substituents on alternating carbons. Unlike various nylons, polyacrylamide is not a polyamide because the amide groups are not in the polymer backbone. Owing to the presence of the amide (CONH 2) groups, alternating carbon atoms in the backbone are stereogenic (colloquially: chiral).