Additives Heavyweight Pursues Antimicrobials.Soon to be a new source of triclosan-based antimicrobial concentrates is Ciba Specialty Chemicals “Ciba” redirects here. For the pre-1971 company, see Novartis. Ciba Specialty Chemicals is a chemical company based in and near Basel, Switzerland. It was formed as the non-pharmaceuticals elements of Novartis were spun out in 1997, following the merger in the , Tarrytown, N.Y. Ciba is now taking a more direct role in marketing its broad-spectrum organic biocide biocide (bī`əsīd'), synonym for pesticide. to plastics processors. Ciba has made triclosan in Germany for over 30 years, supplying it under the name Irgosan DP300 to compounders of antimicrobial concentrates--e.g., Microban from Microban Products Co., Huntersville, N.C., and Bacticlean from Allied Resinous Products, Inc., Conneaut, Ohio. Triclosan has been effective in HDPE, LDPE, PP, PS, PVC PVC: see polyvinyl chloride. PVC in full polyvinyl chloride Synthetic resin, an organic polymer made by treating vinyl chloride monomers with a peroxide. , PMMA PMMA polymethyl methacrylate. , unsaturated polyesters, and polyurethanes. Ciba renamed its 100%-active triclosan powder Irgaguard B 1000 and is preparing to introduce its first concentrates. One is LDPE-based Irgaguard B 1110 and another is B 13120 in an engineering-resin carrier. Also in development is a non-triclosan product, Irgaguard A 2000. |
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