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Study on the Effects of Polyvinyl Alcohol Fiber on the Properties of Paper Yarn
Received:September 18, 2020  
DOI：10.11980/j.issn.0254-508X.2021.01.004
Key Words:paper yarn  PVA fiber  physical properties
Fund Project:科技部重点研究计划（2017YFB307901）。
Author NameAffiliationPostcode
ZHANG Bianzhi Tianjin Key Lab of Pulp and Paper， School of Light Industry Science and Engineering， Tianjin University of Science and Technology， Tianjin， 300457 300457
LIU Zhong Tianjin Key Lab of Pulp and Paper， School of Light Industry Science and Engineering， Tianjin University of Science and Technology， Tianjin， 300457 300457
HUI Lanfeng Tianjin Key Lab of Pulp and Paper， School of Light Industry Science and Engineering， Tianjin University of Science and Technology， Tianjin， 300457 300457
YANG Qian Tianjin Key Lab of Pulp and Paper， School of Light Industry Science and Engineering， Tianjin University of Science and Technology， Tianjin， 300457 300457
CHENG Jinru Tianjin Key Lab of Pulp and Paper， School of Light Industry Science and Engineering， Tianjin University of Science and Technology， Tianjin， 300457 300457
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Abstract:In this study， polyvinyl alcohol （PVA） fiber was added into the hemp pulp to explore the influence of the processing conditions on the performance of the paper yarn.The results showed that the better processing conditions were as follows： PVA fiber addition amount 2.0%，beating degree hemp pulp of 75°SR， dosage of PAE， AmPAM， and AKD were 2.4%， 0.05% and 0.18%， respectively， pressure of calendering 15 N/mm， and drying temperature of 80℃ after wet pressing. Under these conditions， the dry tensile index， wet tensile index and tear index of the paper were 80.0 N·m/g， 32.8 N·m/g， 14.7 mN·m2/g， folding endurance 1498 times， smoothness 41 s， softness TS7 value 53.8， elongation rate 3.37%.
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