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自催化乙醇法玉米秸皮浆的制备及其性能 刘安琪.pdf

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自催化乙醇法玉米秸皮浆的制备及其性能 刘安琪.pdf

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自催化乙醇法玉米秸皮浆的制备及其性能 刘安琪.pdf

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文档介绍

文档介绍:大连工业大学学报
Journal of Dalian Polytechnic University
ISSN 1674-1404,CN 21-1560/TS
适于自催化乙醇法制浆,制浆最优条
件为保温温度 180 ℃,液比 1:8,乙醇体积分数 50%,保温时间 100 min;阳离子淀粉、阳离子聚丙烯
酰***以及羧***纤维素均可以改善玉米秸皮自催化乙醇法浆料的抄纸强度性能,其中羧***纤维素的
使用可使得纸张性能达到牛皮纸一等品的要求。
关键词:玉米秸皮;自催化乙醇法制浆;增强剂
中图分类号:TS79 文献标志码:A
Preparation of corn stalk skin pulp by auto-catalytic ethanol method
and its properties
LIU Anqi, YANG Dongbin, LI Haiming
(Liaoning Key Lab of Lignocellulose Chemistry and BioMaterials, Dalian Polytechnic University, Dalian 116034, China)
Abstract: With bursting, folding, tearing strength, tensile strength, and pulp brightness and coarse pulp yield
as indicators, parameters of holding temperature, holding time, ethanol volume fraction and solid-to-liquid
ratio were optimized, thus the pulping suitability of corn stalk skin by autocatalytic ethanol pulping was
investigated. Then the effect of strength enhancing agents on the papermaking properties of pulp thus
produced was studied. The results showed that corn stalk skin had good adaptability to autocatalytic ethanol
pulping, and the optimum conditions for pulpi