degree of polymerization


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degree of polymerization

[di′grē əv pə‚lim·ə·rə′zā·shən]
(organic chemistry)
The number of structural units in the average polymer molecule in a particular sample. Abbreviated D.P.
References in periodicals archive ?
The degree of polymerization of the Si-O or P-O network structures weakened with increasing slag basicity and FeO content, while promoted with increasing [P.sub.2][O.sub.5] content.
The [C.sub.64][H.sub.52][S.sub.2] was used to represent asphaltene, and the degree of polymerization at 10 was used to structure asphaltene model.
NFC: Nanofibrillated cellulose TNFC: TEMPO nanofibrillated cellulose TEMPO: 2,2,6,6-Tetramethylpiperidine-1-oxyl radical XRD: X-ray diffraction RO: Red oak YP: Yellow poplar TOWP: TEMPO-oxidized (bleached) wood pulp TEM: Transmission electron microscopy SEM: Scanning electron microscopy DP: Degree of polymerization. Conflicts of Interest
(14,15) In previous studies, the use of a self-curing catalyst resulted in a higher degree of polymerization when compared with that achieved by light polymerization alone.
radiata bark to estimate the quality of water extracts (WEs) based on molecular weight (MW), degree of polymerization (DP), polydispersity, and antioxidant activity due to the significance of these factors in applications for pharmaceutics, cosmetics, and nutrient supplementation.
Degree of polymerization is indirect measure of cotton fiber damage caused by scouring conditions.
By dividing the molecular weight of the chitosan by the molecular weight of the glucosamine link, the degree of polymerization (DP) was determined.
Due to its high degree of polymerization, UHMW-PE is said to display exceptional impact strength and abrasion resistance (commonly exceeding that of steel) and extremely low coefficient of friction.
The first of the 22 chapters in this collection describe developments in the synthesis of supramolecular polymers, arising from an understanding of the chemical design principles that underlie self- assembly, as well as theoretical models of growth processes, which allow prediction of the field of stability, degree of polymerization, and shapes of a variety of assemblies.
The degree of polymerization (the extent of cure) can be defined as polymerization rate (curing rate) divided by sum of all chain breaking reactions.
As the degree of polymerization is strictly proportional to the decrease of the IR absorbance, conversion versus time curves were directly recorded by following in situ the disappearance of the IR band of the acrylate double bond.