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Gradient density grafted polymers on ground tire rubber particles by atom transfer radical polymerization (Articolo in rivista)
- Type
- Label
- Gradient density grafted polymers on ground tire rubber particles by atom transfer radical polymerization (Articolo in rivista) (literal)
- Anno
- 2006-01-01T00:00:00+01:00 (literal)
- Alternative label
Coiai, S; Passaglia, E; Ciardelli, F (2006)
Gradient density grafted polymers on ground tire rubber particles by atom transfer radical polymerization
in Macromolecular chemistry and physics (Print)
(literal)
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- Coiai, S; Passaglia, E; Ciardelli, F (literal)
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- ISI Web of Science (WOS) (literal)
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- CIP, I-30175 Venice, Italy; Univ Pisa, Dept Chem & Ind Chem, I-56126 Pisa, Italy; CNR, ICCOM Pisa Sect, Dept Chem & Ind Chem, I-56126 Pisa, Italy; CNR, PolyLab INFM, Dept Chem & Ind Chem, I-56126 Pisa, Italy (literal)
- Titolo
- Gradient density grafted polymers on ground tire rubber particles by atom transfer radical polymerization (literal)
- Abstract
- The graft polymerization of styrene and (meth) acrylic monomers via ATRP from cross-linked rubber particles, produced by recycled tires ('ground tire rubber', GTR), is repoted. GTR particles, obtained by cryogenic grinding process, still contain C = C unsaturations on the surface, which were first oxidized to hydroxyl groups and then modified by reaction with 2-bromoisobutyryl bromide to serve as ATRP macroinitiators. Graft polymerizations were carried out using CuBr/CuBr2/N,N,N'N',N' -pentamethyldiethylenetriamine as catalystic system in bulk or in anisole at high temperature. The grafted particles were analyzed by ATR-IR (spectra were recorded on particles surface and cross-sectional slices), TGA, SEM and X-ray microanalysis. (literal)
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