Functionalized polypropylene prepared by melt free radical grafting of low volatile oxazoline and its potential in compatibilization of PP/PBT blends

Vainio, Tommi; Hu, Guohua; Lambla, Morand; Seppälä, Jukka V.

doi:10.1002/(sici)1097-4628(19960801)61:5<843::aid-app17>3.3.co;2-w

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Cited by 26 publications

(36 citation statements)

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“…Kinetic studies 16 performed by ultraviolet and infrared spectroscopy showed that the reaction between oxazoline and carboxylic acid is fast (3-5 min) at 185°C:…”

Section: Introductionmentioning

confidence: 99%

Chemical modification of virgin and recycled poly(ethylene terephthalate) by adding of chain extenders during processing

Torres¹,

Robin²,

Boutevin

2001

J. Appl. Polym. Sci.

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“…Kinetic studies 16 performed by ultraviolet and infrared spectroscopy showed that the reaction between oxazoline and carboxylic acid is fast (3-5 min) at 185°C:…”

Section: Introductionmentioning

confidence: 99%

Chemical modification of virgin and recycled poly(ethylene terephthalate) by adding of chain extenders during processing

Torres¹,

Robin²,

Boutevin

2001

J. Appl. Polym. Sci.

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“…To determine the degree of grafting, the peak at 2720 cm −1 from the PP was chosen as a reference. 7 A carbonyl peak at about 1720 cm…”

Section: Methodsmentioning

confidence: 99%

Melt-Grafting of Maleimides Having Hindered Phenol Group onto Polypropylene

2003

Bulletin of the Korean Chemical Society

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Monomeric antioxidant 1 was prepared by the reaction of 3,5-di-tert-butyl-4-hydroxybenzyl alcohol with N-[4-(chlorocarbonyl)phenyl]maleimide in the presence of imidazole. Monomeric antioxidant 2, bearing carbamate group, was synthesized from the reaction of 3,5-di-tert-butyl-4-hydroxybenzyl alcohol and azidomaleimide. Antioxidant 3 was prepared by the reaction of N-(4-hydroxyphenyl)maleimide and 3- (3,5-ditert-butyl-4-hydroxyphenyl) propionic chloride in the presence of triethylamine. These reactive antioxidants were grafted onto polypropylene (PP) by melt-processing with free radical initiators in a mini-max moulder. From the infrared spectra of the grafted PP, it was found that the monomeric antioxidants were grafted onto PP. IR spectroscopic methods were used for the quantitative determination of the extent of grafting of monomeric antioxidant. To optimize the reaction conditions, the influences of the concentration of DCP, monomeric antioxidant, reaction time and temperature on the extent of grafting were studied.

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“…In these systems, St can react with PP macroradicals much faster to form more stable styryl macroradicals, which then attack other monomers to form branches. However, in some other grafting systems, styrene is only effective in reducing the degradation of PP, and it results in the decrease of the grafting yield of monomers, such as oleic acid and maleate esters to PP [19][20][21].…”

Section: Introductionmentioning

confidence: 99%

Vapour phase grafting of vinyltrimethoxysilane and water crosslinking of polypropylene

Wang

et al. 2006

Reactive and Functional Polymers

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Functionalized polypropylene prepared by melt free radical grafting of low volatile oxazoline and its potential in compatibilization of PP/PBT blends

Cited by 26 publications

References 0 publications

Chemical modification of virgin and recycled poly(ethylene terephthalate) by adding of chain extenders during processing

Chemical modification of virgin and recycled poly(ethylene terephthalate) by adding of chain extenders during processing

Melt-Grafting of Maleimides Having Hindered Phenol Group onto Polypropylene

Vapour phase grafting of vinyltrimethoxysilane and water crosslinking of polypropylene

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