condensation polymerization

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  • "Step growth polymerization" and condensation polymerization are two different concepts, not always identical.
  • Condensation polymerization, a form of step-growth polymerization, is a process by which two molecules join together, resulting loss of small molecules which is often water.
  • Condensation polymerization is occasionally used to form simple hydrocarbons.
  • It is produced by a method called condensation polymerization or transesterification.
  • A sub class of step-growth polymerization is condensation polymerization.
  • The type of end product resulting from a condensation polymerization is dependent on the number of functional end groups of the monomer which can react.
  • Traditionally, polyanhydrides have been prepared by melt condensation polymerization, which results in high molecular weight polymers.
  • Condensation polymerization is an important class of step-growth polymerization, which is formed simply by the reaction of two monomers and results in the release of a water molecule.
  • Many of bifunctional molecules are used to produce medicine, catalysts and also used in condensation polymerization like polyester, polyamide etc.
  • He reintroduced the concept of condensation polymerization of A2B type monomers and named them hyperbranched polymers.
  • Addition polymerization produces only a polymer molecule, while condensation polymerization produces a polymer as well as a molecule with a low molecular weight, usually water.
  • It is a type of step-growth, condensation polymerization whereas the other metathesis polymerization reaction, ring-opening metathesis polymerization is a chain-growth, addition polymerization.
  • Sold under the tradename Bionolle, these polyesters are synthesized via melt condensation polymerization followed by a chain-extension with a diisocyanate.
  • It is prepared from ethylene glycol and one or more naphthalene dicarboxylic acids by condensation polymerization.
  • This condensation polymerization adds monomeric units to a chain.
  • M5 fiber is prepared by a condensation polymerization between tetraaminopyridine and dihydroxyterephthalic acid using diphosphorus pentoxide as a dehydrating agent.
  • Melt condensation polymerization involves reacting dicarboxylic acid monomers with excess acetic anhydride at a high temperature and under a vacuum to form the polymers.
  • Nylon 66 is a material manufactured by condensation polymerization.
  • In polymer synthesis, like condensation polymerization and free-radical types of polymerization, end-groups are commonly used and can be analyzed for example by nuclear magnetic resonance (NMR) to determine the average length of the polymer.
  • The distinction between "addition polymerization" and "condensation polymerization" was introduced by Wallace Hume Carothers in 1929, and refers to the type of product produced.