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Study on PVA/CNF/MBP Coating on the Hydrophobic and Oil-proof Performance of Paper
Received:November 14, 2021  
DOI：10.11980/j.issn.0254-508X.2022.04.008
Key Words:oil-proof  hydrophobicity  tensile strength  micro-nano fibril  micro-nano bamboo powder
Fund Project:浙江省重点研发计划（2020C02043）。
Author NameAffiliationPostcode
ZHANG Bin School of Textile Science and Engineering， Zhejiang Sci-Tech University， Hangzhou， Zhejiang Province， 310018 310018
WANG Xiyun School of Textile Science and Engineering， Zhejiang Sci-Tech University， Hangzhou， Zhejiang Province， 310018 310018
HUANG Shancong School of Textile Science and Engineering， Zhejiang Sci-Tech University， Hangzhou， Zhejiang Province， 310018 310018
LI Yao School of Textile Science and Engineering， Zhejiang Sci-Tech University， Hangzhou， Zhejiang Province， 310018 310018
XIA Xinxing* School of Textile Science and Engineering， Zhejiang Sci-Tech University， Hangzhou， Zhejiang Province， 310018 310018
TONG Shuhua Zhejiang Jinchang Specialty Co.， Ltd.， Quzhou， Zhejiang Province， 324400 324400
MENG Yu Zhejiang Jinchang Specialty Co.， Ltd.， Quzhou， Zhejiang Province， 324400 324400
HUA Feiguo Zhejiang Jinchang Specialty Co.， Ltd.， Quzhou， Zhejiang Province， 324400 324400
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Abstract:Cellulose nanofibril （CNF） and micro-nano bamboo powder （MBP） were added into polyvinyl alcohol （PVA） to prepare a PVA/CNF/MBP composite coating solution with higher oil resistance. The effects of different coating systems and different mass ratios of CNF and MBP on the hydrophobicity， oil repellency and tensile strength of coated paper were investigated. The results showed that the performance of PVA/CNF/MBP coated paper was the best， when the coating amount was 2.0 g/m²， the total addition amount of CNF and MBP was 3.0% of polyvinyl alcohol， and the mass ratio of CNF∶MBP was 4∶6. At this time， the oil repellency grade of the prepared coated paper was 12， the Cobb value was 21.29 g/m²， the contact angle was 73.56°， and the vertical and horizontal tensile indexes were 68.6 N∙m/g and 41.7 N∙m/g， respectively.
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