FTIR分析表明，吸水树脂是纤维素和丙烯酸的接枝共聚物。
FTIR shows the water absorbent resin is graft copolymer of cellulose and polyacrylate.
研究了羟乙基甲基纤维素和乙烯基共聚物两种聚合物干粉改性砂浆加水搅拌后的性能。
The properties of cement mortar modified by hydroxyethyl methyl cellulose and vinyl co-polymer were studied.
第二部分，纤维素的接枝共聚物的合成。
In the second part, celluloses grafting copolymer were synthesized.
研究了羟乙基甲基纤维素和乙烯基共聚物两种聚合物干粉改性砂浆在不同养护条件下的粘结抗拉强度。
The adhesion strength of hydroxyethyl methyl cellulose modified mortar and ethylene copolymer modified mortar were studied at different curing condition.
结果表明，掺加羟乙基甲基纤维素会明显降低水泥砂浆抗折强度，而掺加乙烯基共聚物则能显著提高水泥砂浆抗折强度；
The result shows that the flexural strength of cement mortar reduces greatly by adding hydroxyethyl methyl cellulose, while adding vinyl co-polymer the strength can increase considerably.
结果表明，共聚物中存在聚乳酸支链，产物为纤维素醋酸酯与聚乳酸的接枝共聚物；
The results showed that the product was grafted copolymer of cellulose acetate and poly(actic acid), and poly(actic acid) side chains were detected in the copolymer.
研究了羟乙基甲基纤维素和乙烯基共聚物2种聚合物干粉对硬化水泥砂浆体积密度和毛细孔吸水率的影响。
The influence of hydroxyethyl methyl cellulose and vinyl co-polymer on the bulk density and capillary water absorption of hardened cement mortars was studied.
研究了羟乙基甲基纤维素和乙烯基共聚物2种聚合物干粉对硬化水泥砂浆体积密度和毛细孔吸水率的影响。
The influence of hydroxyethyl methyl cellulose and vinyl co-polymer on the bulk density and capillary water absorption of hardened cement mortars was studied.
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