Radiation‐induced graft copolymerization of 2‐vinylpyridine and styrene onto isotactic polypropylene fiber

Kaur, Inderjeet; Kumar, Sunil; Chauhan, Ghanshyam S.; Misra, B. N.

doi:10.1002/(sici)1097-4628(19990929)73:14<2959::aid-app20>3.3.co;2-k

Cited by 2 publications

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“…As mentioned at very beginning of this article, there were only two studies on radiation induced grafting of 2VP in literature 18, 19. Authors performed 2VP grafting in the presence of styrene as a second monomer onto isotactic propylene.…”

Section: Resultsmentioning

confidence: 99%

“…Grafting of NVP onto poly(tetrafluoroethylene),13 low density polyethylene,14 (tetrafluoroethylene‐perfluorovinyl ether) copolymer,15 poly(tetrafluoroethylene‐hexafluoropropylene‐vinylidene fluoride),16 and polypropylene17 by radiation grafting was reported earlier only in a few studies. However, up to know, there are only two studies on radiation grafting of 2VP,18, 19 both are about the grafting of 2VP onto isotactic polypropylene. However, grafting of NVP, 4VP, and 2VP onto ETFE (as a base polymer) has never been investigated before.…”

Section: Introductionmentioning

confidence: 99%

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Synthesis and characterization of novel graft copolymers by radiation‐induced grafting

Şanlı

Gürsel

2010

J of Applied Polymer Sci

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The radiation-induced graft copolymerization of N-vinyl-2-pyrrolidone (NVP), 4-vinyl pyridine (4VP), and 2-vinyl pyridine (2VP) monomers onto poly (ethylene-alt-tetrafluoroethylene) (ETFE) was investigated. The influence of synthesis conditions particularly the solvent was studied. Various solvents, such as n-propanol, isoproponol, benzyl alcohol, methanol, ethanol, cyclohexanone, tetrahydrofuran (THF), nitromethane, 1,4-dioxane, and n-heptane were examined for this purpose. Graft copolymers were characterized by Fourier transform infrared (FTIR) spectroscopy, dynamic mechanical analysis (DMA), and scanning electron microscopy-energy dispersive spectroscopy (SEM-EDAX). It was found that the nature of the solvent had profound influence over the grafting reaction. Cyclohexanone, n-propanol, and isoproponol for 4VP/ETFE grafting, THF and 1,4-dioxane for NVP/ETFE grafting, and benzyl alcohol and methanol for 2VP/ETFE grafting were found to be the suitable solvents yielding highest graft levels. Isoproponol and n-propanol are promising in terms of both graft level and mechanical properties for 4VP/ETFE. Grafting of NVP, 4VP, and 2VP onto ETFE were verified through FTIR spectroscopy. Storage modulus and glass transition temperature of the copolymers were found to increase as graft level increased. Surface profile of representative films was also investigated by viewing the distribution of elemental nitrogen using SEM-EDAX. Results indicated that copolymers of 4VP, NVP, and 2VP are considerably different from each other. 4VP-based copolymers exhibited relatively more homogenous grafting over the surface compared with NVP-and 2VPbased copolymers.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Synthesis and characterization of novel graft copolymers by radiation‐induced grafting

Şanlı

Gürsel

2010

J of Applied Polymer Sci

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“…. The macroradical provides the site for grafting, and the hydroxy radical can initiate homopolymerization of the monomers M. The scheme of this mechanism was discussed in numerous papers (e.g., in [15]) and can be represented as follows: Homopolymerization of the monomers can be suppressed by addition of transition metal salts [16,17], which increases the degree of grafting:…”

Section: Methodsmentioning

confidence: 99%

Radiation-Induced Graft Polymerization of Glycidyl Methacrylate onto Nonwoven Polypropylene

Bondar¹,

Kim²,

Lim³

2005

Russ J Appl Chem

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Radiation‐induced graft copolymerization of 2‐vinylpyridine and styrene onto isotactic polypropylene fiber

Cited by 2 publications

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Synthesis and characterization of novel graft copolymers by radiation‐induced grafting

Synthesis and characterization of novel graft copolymers by radiation‐induced grafting

Radiation-Induced Graft Polymerization of Glycidyl Methacrylate onto Nonwoven Polypropylene

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