depolymerization

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depolymerization

[‚dē·pə‚lim·ə·rə′zā·shən]
(organic chemistry)
Decomposition of macromolecular compounds into relatively simple compounds.
References in periodicals archive ?
Depolymerisation starts releasing rubber components back to the liquid phase causing a decrease in the stiffness, and a further increase in the mixing temperature and mixing duration leads to the failure stage in which the rubberized binder loses its elastic properties [23, 24].
It includes the loss of polymer mass through mechanisms such as salvation and depolymerisation.
Protein denaturation by heat treatment occurs through depolymerisation and solubilisation of skeletal muscle proteins (Cheftel and Culioli, 1997).
2006), depolymerisation of cellulose material (Dupont, Tetreault 2000) and the corrosion of metal (Tennent et al.
In the field of paints, coatings, rubbers and plastics, LPD has dealt with materials failure investigations, embrittlement and leaching issues, degradation and polymer swelling, adhesive and cohesive failure, interfacial contamination, depolymerisation, paint delamination problems, wetting and mixing issues, amongst others.
Low molecular weight heparin (LMWH) is a class of heparin produced by controlled depolymerisation of unfractionated heparin.
Their softening temperature is around 125[degrees]C and above this temperature the depolymerisation of powder occurs.
Subsequent depolymerisation of the soluble NSP in vivo using glycanases overcame this problem.
Panels 1d and 2d show microtubule depolymerisation resulting from the treatment with vincristine.
The extent of depolymerisation, which has the effect of reducing viscosity, is determined by the acid strength, time, temperature, and structure of the polysaccharide.
1986, "Controlled chemical depolymerisation of natural polysaccharide(s) - by radical reaction in aqueous solution at 20-70 degree C in presence of catalyst to yield oligosaccharide(s) with useful pharmaceutical properties," PCT international patent application WO 8606729A.