chain transfer


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chain transfer

[′chān ‚tranz·fər]
(organic chemistry)
The abstraction of an atom from another molecule (initiator, monomer, polymer, or solvent) by the radical end of a growing (addition) polymer, which simultaneously terminates the polymer chain and creates a new radical capable of chain polymerization; also occurs in cationic polymerization.
References in periodicals archive ?
Atom transfer radical polymerization (ATRP), reversible additional fragmentation chain transfer polymerization (RAFT) and stable free radical polymerization (SFRP) have been successfully used in synthesis of such polymers [1-11].
However, application of polythiols in curing of epoxy resins and chain transfer reactions will remain key contributors to revenue growth of the polythiols market .
The Si[O.sub.2] nanoparticle chain transfer agent (SiOrCTA) was prepared via the esterification of the hydroxyl on the surface of the Si[O.sub.2] nanoparticles with 2-methyl-2-[(dodecylsulfanylthiocarbonyl) sulfanyl] propanoic acid.
The present invention also relates to a method of preparing a thermoplastic block copolymer or novel thermoplastic statistical copolymers by polymerizing a radically polymerizable monomer with a radically polymerizable triglyceride or mixtures thereof via reversible addition-fragmentation chain-transfer polymerization (RAFT), in the presence of an free radical initiator and a chain transfer agent.
Expertly-trained staff at every pharma destinations ensure the cool chain transfer from origin to destination is seamless.
Expertly-trained staff at every pharma destination ensure the cool chain transfer from origin to destination is seamless.
Ray McQuillan, supply chain coordinator for the firm, knows more about supplier integration in the outsourced medtech world than most, and champions proper communication between all parties involved in a supply chain transfer."Our experience is that most suppliers are willing to work with the CMO.
A new conveyor system features a retractable, heavy-duty pallet stop inside of a pop-up chain transfer to ensure that the pallet is correctly located over the transfer chains.
We are now offering a novel range of specialist chain transfer agents, otherwise known as RAFT Agents, for sophisticated polymer synthesis.
At infeed, chain-driven live roller conveyor, and integrated 3,000-pound capacity pop-up chain transfer conveyor, move gaylords into position for automatic alignment with the gaylord dumper lift carriage.