chain-transfer agents

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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

• Crown Agents for Oversea Governments and Administrations Ltd — The Crown Agents for Oversea Governments and Administrations Ltd Type Private limited company Founded 1833. UK statutory public corporation, 1980 1997 21 March 1997 (Ltd.) Headquarters Sutton, England, UK Area served Wor …   Wikipedia

• ATP synthase chain A — Pfam box Symbol = ATP synt A Name = ATP synthase A chain width = caption = Pfam= PF00119 InterPro= IPR000568 SMART= PROSITE = PDOC00420 SCOP = 1c17 TCDB = OPM family=5 OPM protein=1c17 PDB=PDB3|1ed3C:29 41 PDB3|1c17M:95 266ATP synthase F0 subunit …   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

• 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

• Emulsion polymerization — is a type of radical polymerization that usually starts with an emulsion incorporating water, monomer, and surfactant. The most common type of emulsion polymerization is an oil in water emulsion, in which droplets of monomer (the oil) are… …   Wikipedia

• Oligonucleotide synthesis — is the chemical synthesis of relatively short fragments of nucleic acids with defined chemical structure (sequence). The technique is extremely useful in current laboratory practice because it provides a rapid and inexpensive access to custom… …   Wikipedia

• Email — This article is about the communications medium. For the former manufacturing conglomerate, see Email Limited. The at sign, a part of every SMTP email address[1] Electronic mail, commonly known as email or e mail, is a method of exchanging… …   Wikipedia

• industrial polymers, major — Introduction       chemical compounds used in the manufacture of synthetic industrial materials.       In the commercial production of plastics, elastomers, man made fibres, adhesives, and surface coatings, a tremendous variety of polymers are… …   Universalium

• Gradient copolymers — Copolymers are polymers that are synthesized with more than one kind of repeat unit (or monomer). A gradient copolymer has gradient in repeat units arranged from mostly monomer A to mostly monomer B along much or all of the copolymer… …   Wikipedia