| 학회 |
한국화학공학회 |
| 학술대회 |
2007년 가을 (10/26 ~ 10/27, 한국과학기술원) |
| 권호 |
13권 2호, p.1281 |
| 발표분야 |
고분자 |
| 제목 |
Synthesis of Water-Soluble Polyethylene Glycol Grafted with Maleic Anhydride and Its Application in Cement Admixtures |
| 초록 |
Modification of methoxypolyoxyethylene (MPOE) with maleic anhydride (MA) has been prepared as grafted copolymer by the reaction of MPOE and MA. The unique structural feature of the prepared water-soluble copolymer has been confirmed by FTIR and 1H NMR. The effects of water-soluble copolymer on the physico-mechanical properties of Ordaniary Portland Cement (O.P.C) pastes were investigated. The results showed that the addition of aqueous solutions from the prepared copolymers to the cement improve most of the specific characteristics of (O.P.C). As the concentration of the water-soluble copolymer increases, the water-to-cement (W/C) as well as setting time decreases. The combined water content increases with addition of the copolymer to the mixing water. The compressive strength was sharply increased at nearly all hydration ages. |
| 저자 |
E. S. Negim1, N. N. Rozik2, 조헌영3, 최정규4
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| 소속 |
1Korea Polytechnic Univ., 2National Research centre Egypt, 3Jindo Chemical Co., 4LTD. |
| 키워드 |
Polymer; Cement; setting time; strength
|
| E-Mail |
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| VOD |
VOD 보기 |
| 원문파일 |
초록 보기 |
