polymerization number

См. также в других словарях:

• polymerization — /peuh lim euhr euh zay sheuhn, pol euh meuhr /, n. Chem. 1. the act or process of forming a polymer or polymeric compound. 2. the combination of many like or unlike molecules to form a more complex product of higher molecular weight, with… …   Universalium

• polymerization — The chemical fusion of a number of identical or similar monomers to form a polymer. Common biological polymers are starch (polymerized monosaccharides), DNA (deoxyribonucleotides) and proteins (amino acids) …   Glossary of Biotechnology

• 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

• Degree of polymerization — The degree of polymerization, or DP, is usually defined as the number of monomeric units in a macromolecule or polymer or oligomer molecule.[1][2][3] For a homopolymer, there is only one type of monomeric unit and the number average degree of… …   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

• Step-growth polymerization — is a polymerization process that involves a chemical reaction between multifunctional monomer molecules. In a step growth reaction, the growing chains may react with each other to form even longer chains. This applies to chains of all lengths.… …   Wikipedia

• degree of polymerization — the average number of mer units per polymer chain molecule …   Mechanics glossary

• hydrocarbon — hydrocarbonaceous, adj. /huy dreuh kahr beuhn, huy dreuh kahr /, n. any of a class of compounds containing only hydrogen and carbon, as an alkane, methane, CH4, an alkene, ethylene, C2H4, an alkyne, acetylene, C2H2, or an aromatic compound,… …   Universalium

• Polythiophene — The monomer repeat unit of unsubstituted polythiophene …   Wikipedia

• Polymer — Appearance of real linear polymer chains as recorded using an atomic force microscope on surface under liquid medium. Chain contour length for this polymer is 204 nm; thickness is 0.4 nm.[1] A polymer is a large molecule (macromolecule …   Wikipedia

• 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