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High Oil-absorptive Composites Prepared from Non-woven Fiber and Sponges with 4-tert- butylstyrene-epdm-divinylbenzene Graft Polymer

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Journal of Donghua University(English Edition) 2001年第1期18卷 6-10页

作者：周美华 Cho Won-Jei Environment Science and Engineering College Dong Hua University Shanghai 200051 Department of Polymer Science and Engineering Pusan National University Pusan 609 - 735 South Korea

4-tert-butylstyrene-epdm-divinylbenzene graft terpolymer (PBED) was prepared by graft cross-polymerization in toluene using BPO as an initiator. The gel-PBED and solPBED were isolated from extraction of tetrahydrofuran (THF), and then they were identified by IR spectroscopy. The maximum oil-absorptivity of gel-PBED produced from the optinum reaction conditions was 8 420% but its swelling rate was very low. The highest oil-absorptivity of photocrosslinked sol-PBED film was 5 800%. Although its oil absorbency was not as high as gel-PBED' s, swelling rate was higher than that of gelPBED and was suitable for commercial purpose. After swelling in oil, neither gel PBED nor photocrosslinked sol-PBED film having high oil-absorptivity had sufficient mechanical strength to be taken out of oil wholly. As is known, composite technique is one of the useful methods for reinforcing them. Fibers, sponges and non-woven cloths were used as reinforcers or supporters in this work. Oil-absorptivities and swelling kinetics were evaluated by method ASTM (F726 - 81 ) and an experimental equation. The mechanical properties and the morphologies of some composites were measured by tensile tester and SEM , respectively.

关键词： 4-tert-butylstyrene-epdm-divinylbenzene graft terpolymer (PBED), fiber, non-woven cloth, sponge, oilabsorptive composite.

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