Preparation of dendritic adamantane-based polymers/layered silicate nanocomposites

An adamantane‐based atom transfer radical initiator (Adm‐Br) was prepared by the treatment of 1‐[[N‐[2‐Hydroxy‐l,l‐bis(hydroxymethyl)ethyl]amino]carbonyl]adamantane with bromopropionyl bromide. The resulting initiator was subsequently used in the atom transfer radical polymerization (ATRP) of methyl...

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Bibliographic Details
Published in:Polymer engineering and science 2014-11, Vol.54 (11), p.2669-2675
Main Authors: Amin, Amal, Kandil, Heba, Ismail, Mohamed Nader, Makal, Nergis, Moorefield, Charles N., Newkome, George R.
Format: Article
Language:English
Subjects:
Applied sciences
Biological and medical sciences
Chemical properties
Chemical synthesis
Composites
Copolymers
Differential scanning calorimetry
Diffraction
Exact sciences and technology
Forms of application and semi-finished materials
Initiators
Medical sciences
Methods
Nanocomposites
Nanostructure
Polymer industry, paints, wood
Polymeric composites
Polymerization
Polymers
Polymethyl methacrylates
Polymethylmethacrylate
Production processes
Radicals
Silicates
Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases
Technology of polymers
Technology. Biomaterials. Equipments
Transmission electron microscopy
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Summary:An adamantane‐based atom transfer radical initiator (Adm‐Br) was prepared by the treatment of 1‐[[N‐[2‐Hydroxy‐l,l‐bis(hydroxymethyl)ethyl]amino]carbonyl]adamantane with bromopropionyl bromide. The resulting initiator was subsequently used in the atom transfer radical polymerization (ATRP) of methyl methacrylate (MMA) to form (Adm‐p‐MMA), which was successfully used, as a macroinitiator, in further ATRP reactions with 3‐O‐methacryloyl‐1,2 5,6‐di‐O‐isopropylidene‐α‐d‐glucofuranose (gly), a glycomonomer, to afford the Adm‐p‐MMA‐b‐gly polymer. The new Adm‐p‐MMA‐b‐gly polymer subsequently was employed to form a nanocomposite with chitosan‐modified, Nanofil clay (NC). The resulting Adm‐p‐MMA‐b‐gly/NC composite material was progressively hydrolyzed to regenerate the OH groups of the glucose units within the Adm‐p‐MMA‐b‐gly copolymer. The polymer/NC nanocomposites were characterized by X‐ray diffraction, thermal gravimetric analysis, differential scanning calorimetry, and transmission electron microscopy. POLYM. ENG. SCI., 54:2669–2675, 2014. © 2013 Society of Plastics Engineers
ISSN:0032-3888
1548-2634
DOI:10.1002/pen.23819