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Chementator: Controlled polymerization

By Chemical Engineering |

Warwick Effect Polymers (WEP; Coventry, U.K.; edlinks.chemengonline.com/5830-540) has licensed patented technology from Carnegie Mellon University (Pittsburg, Pa.; edlinks.chemengonline.com/5830-541) to exploit the commercial potential of atom-transfer radical polymerization (ATRP). ATRP is a controlled “living” polymerization involving radicals that can grow, but are reversibly deactivated to form dormant species. Reactivation of the dormant species allows the polymer chain to grow again, only to be deactivated later. As a result, ATRP is much more controlled than free-radical polymerization. WEP is working to commercialize living controlled polymerization (CE, Dec. 2004, p. 13), as well as its new Poly PEG range of products for pegylation — the insertion of a polyethylene glycol (PEG) structure to another large molecule — of protein, peptide and biomolecular compounds for theraputic applications.   Click here for a full pdf version of the Chementator Section  
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