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Study on Strengthening of Literature Paper with in-situ Grafting of APTES/AEAPMDMS
Received:April 02, 2022  
DOI：10.11980/j.issn.0254-508X.2022.09.011
Key Words:literature paper  enhanced repair  aminoalkylalkoxysilane  in-situ grafting
Fund Project:广州市科技计划项目（GZDD201808）；广州市岭南文献保护研究中心（202103260039）；华南理工大学制浆造纸国家重点实验室（2020ZR03）。
Author NameAffiliationPostcode
FAN Huiming* State Key Lab of Pulp and Paper Engineering， South China University of Technology， Guangzhou， Guangdong Province， 510641
Guangzhou Lingnan Literature Protection Research Center， Guangzhou， Guangdong Province， 510641 		510641
HUANG Shanshan State Key Lab of Pulp and Paper Engineering， South China University of Technology， Guangzhou， Guangdong Province， 510641
Guangzhou Lingnan Literature Protection Research Center， Guangzhou， Guangdong Province， 510641 		510641
MOU Hongyan State Key Lab of Pulp and Paper Engineering， South China University of Technology， Guangzhou， Guangdong Province， 510641
Guangzhou Lingnan Literature Protection Research Center， Guangzhou， Guangdong Province， 510641 		510641
LIAO Yunfei State Key Lab of Pulp and Paper Engineering， South China University of Technology， Guangzhou， Guangdong Province， 510641
Guangzhou Lingnan Literature Protection Research Center， Guangzhou， Guangdong Province， 510641 		510641
LI Fengyu State Key Lab of Pulp and Paper Engineering， South China University of Technology， Guangzhou， Guangdong Province， 510641
Guangzhou Lingnan Literature Protection Research Center， Guangzhou， Guangdong Province， 510641 		510641
LIU Jianan State Key Lab of Pulp and Paper Engineering， South China University of Technology， Guangzhou， Guangdong Province， 510641
Guangzhou Lingnan Literature Protection Research Center， Guangzhou， Guangdong Province， 510641 		510641
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Abstract:In this study， the trifunctional group （3-aminopropyl） triethoxysilane （APTES） and the difunctional group 3-（2-aminoethylamino） propyldimethoxymethylsilane （AEAPMDMS） were dissolved in alcohol aqueous solution in certain ratios to prepare APTES/AEAPMDMS reinforcing agent which was used to strengthen the paper at different temperatures for different times. The results showed that APTES/AEAPMDMS was sprayed on the paper and filled between the fibers with good permeability. Meanwhile， the reinforcing agent grafted with the paper fibers in situ， which improved the strength properties of the paper. When the temperature was 120℃ and time was 0.75 h， the grafting efficiency was as high as 73.9%. Compared with the original paper， the tensile index， zero-span tensile strength， and folding endurance of strengthened paper increased by 82.2%， 37.4%， and 100%， respectively， while the brightness decreased by 2.35% and the chromatic aberration was 1.42.
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