Journal ArticleDOI
Surface modification by continuous graft copolymerization. I. Photoinitiated graft copolymerization onto polyethylene tape film surface
Zhang Pei Yao,Bengt Rånby +1 more
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TLDR
In this article, a photoinitiated graft copolymerization of acrylamide (AM) and acrylic acid (AA) onto the surface of high-density polyethylene (HDPE) tape film, presoaked in a solution containing monomer and initiator under nitrogen atmosphere.Abstract:
A process has been developed for continuous photoinitiated graft copolymerization of acrylamide (AM) and acrylic acid (AA) onto the surface of high-density polyethylene (HDPE) tape film, presoaked in a solution containing monomer and initiator under nitrogen atmosphere. As photoinitiator we have used benzophenone, which is efficient for photografting of polyolefins with acrylic monomers. The presoaking procedure of the tape film is very important for efficient photografting within short irradiation times. In ESCA spectra of the grafted tape film the relative intensity of the nitrogen over carbon peaks of film grafted with acrylamide is about 5–10% after 6 s irradiation time. The relative intensity of oxygen over carbon peaks in ESCA spectra of film grafted with acrylic acid is about 10–20% after 8 s irradiation time. The effects of varying the monomer concentration in presoaking solution and the different irradiation conditions on the grafting yield have been investigated. This technique has the advantages of being a continuous process with short irradiation times without requirements of vacuum conditions and appears to be promising for practical applications.read more
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Journal ArticleDOI
Polymer surface with graft chains
TL;DR: A review of surface modification techniques for polymers with graft chains can be found in this paper, focusing on grafting methods as well as the structure and function of grafted surfaces.
Journal ArticleDOI
Photo-irradiation for preparation, modification and stimulation of polymeric membranes
TL;DR: In this paper, the effects of photo-initiated reactions onto properties of polymeric membranes will largely depend on the nature of the membrane's barrier (i.e., porous vs. non-porous, uncharged vs. charged, or involving affinity interactions).
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Membranes in Lithium Ion Batteries
TL;DR: Based on the type of electrolyte used, literature concerning ceramic-glass and polymer solid ion conductors, microporous filter type separators and polymer gel based membranes is reviewed.
Journal ArticleDOI
Radical living graft polymerization on the surface of polymeric materials
Wantai Yang,Bengt Rånby +1 more
Journal ArticleDOI
P(AAm-co-EG) Interpenetrating Polymer Networks Grafted to Oxide Surfaces: Surface Characterization, Protein Adsorption, and Cell Detachment Studies
TL;DR: In this article, the authors investigated the composition, properties, and utility of a copolymer of P(AAm-co-EG) designed to be an adaptable, durable, and biocompatible surface treatment of metallic, polymeric, and c...
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