chain-transfer agent

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• Chain transfer — is a polymerization reaction by which the activity of a growing polymer chain is transferred to another molecule.[1][2] P• + XR → PX + R • Chain transfer reactions reduce the average molecular weight of the final polymer. Chain transfer can be… …   Wikipedia

• Reversible Addition Fragmentation Chain Transfer — La Reversible Addition Fragmentation Chain Transfer (RAFT) est une technique de polymérisation radicalaire contrôlée découverte en 1998 grâce à une collaboration entre la société DuPont et l équipe du CSIRO dirigée par le Pr. Ezio Rizzardo. Au… …   Wikipédia en Français

• Chain shuttling polymerization — is a dual catalyst method for producing block copolymers with alternating or variable tacticity. The desired effect of this method is to generate hybrid polymers that bear the properties of both polymer chains, such as a high melting point… …   Wikipedia

• Photoinduced electron transfer — is an electron transfer which occurs when certain photoactive materials interact with light. [Highlights of the spectroscopy, photochemistry and electrochemistry of [M(CO)4(α diimine)] complexes, M=Cr, Mo, W Antonín Vlcek Coord. Chem. Rev. 230… …   Wikipedia

• Living free radical polymerization — is a type of living polymerization where the active polymer chain end is a free radical. Several methods exist. IUPAC recommends[1] to use the term reversible deactivation radical polymerization instead of living free radical polymerization .… …   Wikipedia

• Living polymerization — In polymer chemistry, living polymerization is a form of addition polymerization where the ability of a growing polymer chain to terminate has been removed Ref|1. This can be accomplished in a variety of ways. Chain termination and chain transfer …   Wikipedia

• Cobalt mediated radical polymerization — Cobalt based catalysts, when used in radical polymerization, have several main advantages especially in slowing down the reaction rate, allowing for the synthesis of polymers with peculiar properties. As starting the reaction does need a real… …   Wikipedia

• Thiodiglycol — chembox new ImageFile = Thiodiglycol 2D skeletal.png ImageSize = ImageFile1 = Thiodiglycol 3D vdW.png ImageSize1 = IUPACName = 2 (2 Hydroxy ethylsulfanyl) ethanol OtherNames = 2,2 Thiodiethanol, β,β dihydroxydiethyl sulfide, β thiodiglycol,… …   Wikipedia

• Styrene-butadiene — (SBR) is an elastomeric copolymer consisting of styrene and butadiene. It has good abrasion resistance and good aging stability when protected by additives, and is widely used in car tires where it is blended with natural rubber. It was… …   Wikipedia

• Vinyl acetate — Chembox new Name = Vinyl acetate ImageFileL1 = Vinyl acetate.png ImageSizeL1 = 120px ImageNameL1 = Vinyl acetate ImageFileR1 = Vinyl acetate 3D balls.png ImageSizeR1 = 150px IUPACName = Ethenyl acetate SystematicName = Ethenyl ethanoate… …   Wikipedia

• Synthetic setae — emulate the setae found on the toes of a gecko and scientific research in this area is driven towards the development of dry adhesives. Geckos have no difficulty mastering vertical walls and are apparently capable of adhering themselves to just… …   Wikipedia