超臨界二氧化碳中天然橡膠的接枝改性研究(完整版)
【正文】 ] 何映平, 孫燕, 譚海生. 有機(jī)硅氧烷接枝改性天然膠乳的制備及結(jié)構(gòu)表征. 熱帶作物學(xué)報(bào), 2005, 26(1): 25~33[8] Wiyong Kangwansupamonkon, Robert G. Gilbert, Suda Kiatkamjornwong. Modification of Natural Rubber by Grafting with Hydrophilic Vinyl Monomers. Macromol. Chem. Phys., 2005, 206: 2451~2454[9] 馬小麗, 楊性坤. （自然科學(xué)版）, 2005, 18(4): 446~448[10] 姚似玉, 黃素娟. 天然橡膠的環(huán)氧化改性與表征. 高分子材料科學(xué)與工程, 1994, (5): 66~70[11] 王金宇, 鄒克琴, 符新. EA/BA/AN/VAC四元共聚物接枝改性天然橡膠的研究. 河北科技大學(xué)學(xué)報(bào), 2000,21(4): 61~65[12] 陳旭輝. 天然橡膠與合成聚異戊二烯橡膠的紅外光譜鑒定. 光譜實(shí)驗(yàn)室, 2001, 18(3): 314~316[13] , , , et al. Rheological and Curing Behavior of Reactive Blending.ⅡNatural RubbergPoly(methyl methacrylate)Cassava Starch. J. Appl. Polym. Sci.,2003, 89: 1453~1463[14] 符若文, 李谷, 馮開(kāi)才. 高分子物理. 北京: 化學(xué)工業(yè)出版社, 2005, p. 19Study on the Graft Modification of Natural Rubber in Supercritical Carbon DioxideSHAO Fang, ZHANG Shuying, CHEN Liuping(School of Chemistry and Chemical Engineering, Sun YatSen University, Guangzhou, 510275, China)Abstract: Natural rubber (NR) has poor resistance to oils and unpolar solvents, poor tensile strength and hardness, but these properties of natural rubber can be improved by grafting of poly(methyl methacrylate). In this paper, we report research work on which the graft copolymer of natural rubber and poly(methyl methacrylate) (NRgMMA, with the trade name of Heaveaplus MG) was synthesised using the traditional solution polymerization and the supercritical carbon dioxide(SCCO2) dispersion polymerization respectively. The ungrafted NR and the graft copolymer NRgMMA were well characterized by Infrared test and Scanning Electron Microscope(SEM) analysis. The mechanical properties and oil resistance test of the products were carried out. I
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