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| Improving the Reactivity of Bamboo Dissolving Pulp for Viscose Rayon Production by Surfactant Treatment |
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| DOI：10.11981/j.issn.1000-6842.2019.03.1 |
| Key Words:surfactant; bamboo dissolving pulp; reactivity; viscose filterability; surface tension |
| Fund Project:国家自然科学基金（31770632）；制浆造纸科学与技术教育部/山东省重点实验室开放基金（KF201707）。 |
| Author Name | Affiliation | | CHEN Qiuyan | College of Life Sciences， Fujian Agriculture and Forest University， Fuzhou， Fujian Province， 350002
Key Laboratory of Pulp and Paper Science & Technology of Ministry of Education/Shandong Province， Qilu University of Technology， Ji’nan， Shandong Province， 250353
College of Material and Engineering， Fujian Agriculture and Forest University， Fuzhou， Fujian Province， 350002 | | MA Xiaojuan | College of Material and Engineering， Fujian Agriculture and Forest University， Fuzhou， Fujian Province， 350002 | | HUANG Liulian* | College of Material and Engineering， Fujian Agriculture and Forest University， Fuzhou， Fujian Province， 350002 | | CAO Shilin | College of Material and Engineering， Fujian Agriculture and Forest University， Fuzhou， Fujian Province， 350002 | | MIAO Qingxian | College of Material and Engineering， Fujian Agriculture and Forest University， Fuzhou， Fujian Province， 350002 |
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| Abstract: |
| Three kinds of surfactants including Turkey Red Oil （TRO）， Polyoxyethylene Castor Oil （PCO） and Polyether Polyol （PP） were used for improving the reactivity of bamboo dissolving pulp. The effects of different surfactants and their dosages on the Fock reactivity and viscose filterability/reactivity of bamboo dissolving pulp were investigated. The best surfactant and its optimized dosage were obtained， and the relationship between Fock reactivity and viscose filterability was also studied. Under the optimum conditions， by analyzing and comparing the effects of the above three kinds of surfactants on pore structure, specific surface area of the pulp， surface tension of lye and rheological behavior of viscose， the mechanism of reactivity improvement of surfactant treatment was revealed. The results showed that TRO had the best effect on improving the reactivity of the bamboo dissolving pulp. The optimum dosage of TRO was 1.5%. Under this condition， the Fock reactivity and the viscose filterability were 81.7% and 96.9 s， respectively. When the Fock reactivity of bamboo dissolving pulp exceeded 77%， the obtained viscose could meet the filterability requirements. TRO had the best effect on improving the specific surface area and pore structure of bamboo dissolving pulp， and significantly reduced the surface tension of lye and increased the apparent viscosity of the viscose， which was accorded with the improvement of the reactivity of the bamboo dissolving pulp． |
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