cationic initiator

См. также в других словарях:

• initiator — See initiate. * * * ▪ polymerization       a source of any chemical species that reacts with a monomer (single molecule that can form chemical bonds) to form an intermediate compound capable of linking successively with a large number of other… …   Universalium

• industrial polymers, chemistry of — Introduction       structure and composition of chemical compounds made up of long, chainlike molecules (molecule).       What distinguishes polymers from other types of compounds is the extremely large size of the molecules. The size of a… …   Universalium

• 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

• Addition polymerization — nM (monomer) ightarrow ( M ) n (polymer)where n is the degree of polymerization.CharacteristicsThe main characteristics are:* polymerisation process takes place in three distinct steps: # chain initiation, usually by means of an initiator which… …   Wikipedia

• Chain growth polymerisation — Chain growth polymerization is a polymerization technique where unsaturated monomer molecules add on to a growing polymer chain one at a time [1]. It can be represented with the chemical equation: where n is the …   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

• Ring-opening polymerization — In polymer chemistry, ring opening polymerization is a form of addition polymerization, in which the terminal end of a polymer acts as a reactive center, where further cyclic monomers join to form a larger polymer chain through ionic propagation …   Wikipedia

• Ethylene oxide — Oxirane redirects here. For oxiranes as a class of molecules, see epoxide. Ethylene oxide …   Wikipedia

• Triethylborane — Chembox new Name = Triethylborane ImageFile = Triethylborane.png ImageName = Triethylborane ImageFile1 = Triethylborane 3D balls.png ImageName1 = Ball and stick model of triethylborane IUPACName = Triethylborane OtherNames = triethylborine,… …   Wikipedia

• Polyethylene glycol — IUPAC name poly(oxyethylene) {structure based}, poly(ethylene oxide) {source based} …   Wikipedia

• Polyacetylene — (IUPAC name: polyethyne) is an organic polymer with the repeat unit (C2H2)n. The high electrical conductivity discovered for these polymers in the 1970’s accelerated interest in the use of organic compounds in microelectronics. Polyacetylenes are …   Wikipedia