Characteristics with Casting Molding of Functional EPDM Through Grafting Polymerization

Yoon, Yoo Mi; Kim, Donghyun; Kim, Jeong Hoe; Kim, Minseub; Lee, Won Ki; Park, Chan Young

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자료유형: 학술저널

저자정보: Yoon, Yoo Mi (Korea Institute of Footwear & Leather Technology) Kim, Donghyun (Dept. of Polymer Engineering, Pukyong National University) Kim, Jeong Hoe (Dept. of Polymer Engineering, Pukyong National University) Kim, Minseub (Dept. of Polymer Engineering, Pukyong National University) Lee, Won Ki (Dept. of Polymer Engineering, Pukyong National University) Park, Chan Young (Dept. of Polymer Engineering, Pukyong National University)

저널정보: 한국고무학회 Elastomers and composites 엘라스토머 및 콤포지트 제52권 제3호

발행연도: 2017.1

수록면: 194 - 200 (7page)

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After the grafting of methacrylic acid (MA) to ethylene propylene diene monomer (EPDM), a new peak at $1704cm^{-1}$ corresponding to the carboxylic acid group was observed in the infrared (IR) spectrum. This characteristic MA molecule peak grew larger as the MA contents were increased. After casting films were prepared from pure EPDM and MA-grafted EPDM, differential scanning calorimeter (DSC) measurements were made the pure EPDM exhibited a melting point of approximately $45^{\circ}C$ while that of the MA-grafted EPDM was $135{\sim}140^{\circ}C$. As the graft ratio of MA increased, the absorbed heat capacity increased at temperatures near $135{\sim}140^{\circ}C$, indicating that an increased amount of MA reacted. Furthermore, owing to the addition of crystalline MA, it is expected that strength of the elastomer will improve as the graft ratio increases, as a result of the increased number of hard segments.

#EPDM #IR spectrum #MA #DSC #MA grafted EPDM #graft ratio

참고문헌 (19)

참고문헌 신청

A. Eisenberg / 1980 / Ions in Polymers / American Chemical Society

C. X. Sun / 2006 / Thermoreversible cross-linking of maleated ethylene/propylene copolymers using hydrogen-bonding and ionic interactions / Macromolecules 39:3441

M. A. J. van der Mee / 2008 / Synthesis, structure, and properties of ionic thermoplastic elastomers based on maleated ethylene/propylene copolymers / Macromolecules 41:5493

Prince Antony / 1999 / The effect of zinc stearate on meltprocessable ionomeric blends based on zinc salts of maleated high density polyethylene and maleated EPDM rubber / Polymer 40:1487

G. Holden / 1987 / Thermoplastic Elastomers:A Comprehensive Review / Hanser

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Yoon, Yoo Mi

소속기관 Korea Institute of Footwear & Leather Technology

주요연구분야 공학 > 화학공학 > 고분자공학

논문수 1 이용수 1

Kim, Donghyun