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Application of α-Amylase or α/β-Compound Amylase Hydrolysed Corn Starch in Surface Sizing of Corrugated Base Paper
Received:March 10, 2025  Revised:April 01, 2025
DOI：10.11981/j.issn.1000-6842.2025.02.121
Key Words:enzymatic hydrolysis starch;α-amylase;α/β-compound amylase;surface sizing;ring compression strength
Fund Project:国家十四五重点研发计划（2022YFC2105504）。
Author NameAffiliationPostcode
HU Huijie* Key Lab of Eco-Textiles， Ministry of Education， Jiangnan University， Wuxi， Jiangsu Province， 214122 214122
HU Zixin Key Lab of Eco-Textiles， Ministry of Education， Jiangnan University， Wuxi， Jiangsu Province， 214122 214122
ZHU Hexin Key Lab of Eco-Textiles， Ministry of Education， Jiangnan University， Wuxi， Jiangsu Province， 214122 214122
YANG Lu The National Enterprise Technology Center of Tiger Paper Group Co.， Ltd.， Yueyang， Hu’nan Province， 414001 414001
LIU Xinyu Key Lab of Eco-Textiles， Ministry of Education， Jiangnan University， Wuxi， Jiangsu Province， 214122 214122
HE Zhuhua Key Lab of Eco-Textiles， Ministry of Education， Jiangnan University， Wuxi， Jiangsu Province， 214122 214122
CHEN Ming Key Lab of Eco-Textiles， Ministry of Education， Jiangnan University， Wuxi， Jiangsu Province， 214122 214122
HU Jing Wuxi School of Medicine， Jiangnan University， Wuxi， Jiangsu Province， 214122 214122
GU Peng Key Lab of Eco-Textiles， Ministry of Education， Jiangnan University， Wuxi， Jiangsu Province， 214122 214122
DENG Haibo* Key Lab of Eco-Textiles， Ministry of Education， Jiangnan University， Wuxi， Jiangsu Province， 214122 214122
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Abstract:
      The enzyme hydrolyzed corn starch glue （EH starch glue） applied to the surface sizing of corrugated base paper， was prepared by adjusting the dosage ratio and addictive amount of single α-amylase and α/β-compound amylase， as well as the enzymatic hydrolysis temperature. By measuring the viscosity and combining with the performance indexes of sized paper such as tensile strength， ring compression strength and attached adhesion amount， to analyze the feasibility of the bio-enzymatic hydrolysis of corn starch sizing agent in improving sized paper strength. The results showed that the α/β- compound amylase hydrolysis process had a more obvious improvement effect for the EH starch glue to enhance the paper strength performance than single α-amylase. The synergistic effect of α/β-compound amylase could better control the enzymatic hydrolysis rate of starch and obtain EH starch glue with viscosity suitable for surface sizing. Under the enzyme hydrolysis process parameters that enzyme hydrolysis temperature was 60 ℃， α-amylase and β-amylase dosage was 90 mL/t and 30 mL/t， respectively， the tensile and ring compression strength properties of the sized paper by EH starch glue were 8.94 kN/m and 2.31 N/mm， which were 20.7 % and 31.8 % higher than that of corrugated base paper， respectively.
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