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Study on the Structural Characteristics of the Stable Chromophores of Neosinocalamus Affinis TMP
Received:July 08, 2021  
DOI：10.11981/j.issn.1000-6842.2022.01.43
Key Words:Neosinocalamus Affinis TMP;bleach;stable chromophores
Fund Project:广西清洁化制浆造纸与污染控制重点实验室（广西大学）开放基金项目“木质素炭基复合光催化材料的构筑及其对二氧化氯制浆漂白废水中AOX的降解机制研究”（2021KF13）；泰山产业领军人才工程专项经费（tscy20200213）资助。
Author NameAffiliationPostcode
JIAO Jian State Key Laboratory for Biomass Chemical Utilization， Key Laboratory of Forest Chemical Engineering， SFA， Jiangsu Provincial Key Laboratory of Biomass Energy and Material， Institution of Chemical Industry of Forest Products， CAF， Nanjing， Jiangsu Province， 210042
Collaborative Innovation Center for High Efficiency Processing and Utilization of Forestry Resources， Nanjing Forestry University， Nanjing， Jiangsu Province， 210037 		210037
ZHU Beiping State Key Laboratory for Biomass Chemical Utilization， Key Laboratory of Forest Chemical Engineering， SFA， Jiangsu Provincial Key Laboratory of Biomass Energy and Material， Institution of Chemical Industry of Forest Products， CAF， Nanjing， Jiangsu Province， 210042 210042
LI Gang Shandong Huatai Paper Co.， Ltd.， Dongying， Shandong Province， 257335 257335
TIAN Qingwen State Key Laboratory for Biomass Chemical Utilization， Key Laboratory of Forest Chemical Engineering， SFA， Jiangsu Provincial Key Laboratory of Biomass Energy and Material， Institution of Chemical Industry of Forest Products， CAF， Nanjing， Jiangsu Province， 210042 210042
FANG Guigan State Key Laboratory for Biomass Chemical Utilization， Key Laboratory of Forest Chemical Engineering， SFA， Jiangsu Provincial Key Laboratory of Biomass Energy and Material， Institution of Chemical Industry of Forest Products， CAF， Nanjing， Jiangsu Province， 210042
Collaborative Innovation Center for High Efficiency Processing and Utilization of Forestry Resources， Nanjing Forestry University， Nanjing， Jiangsu Province， 210037
Shandong Huatai Paper Co.， Ltd.， Dongying， Shandong Province， 257335 		257335
DENG Yongjun State Key Laboratory for Biomass Chemical Utilization， Key Laboratory of Forest Chemical Engineering， SFA， Jiangsu Provincial Key Laboratory of Biomass Energy and Material， Institution of Chemical Industry of Forest Products， CAF， Nanjing， Jiangsu Province， 210042 210042
SHEN Kuizhong State Key Laboratory for Biomass Chemical Utilization， Key Laboratory of Forest Chemical Engineering， SFA， Jiangsu Provincial Key Laboratory of Biomass Energy and Material， Institution of Chemical Industry of Forest Products， CAF， Nanjing， Jiangsu Province， 210042 210042
LIANG Fangmin State Key Laboratory for Biomass Chemical Utilization， Key Laboratory of Forest Chemical Engineering， SFA， Jiangsu Provincial Key Laboratory of Biomass Energy and Material， Institution of Chemical Industry of Forest Products， CAF， Nanjing， Jiangsu Province， 210042 210042
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Abstract:
      The applications in high value-added paper products of bamboo is limited for high-brightness bamboo chemical thermomechanical pulp （CTMP） cannot be obtained from conventional process. In this study， the brightness of the Neosinocalamus Affinis TMP was increased from 71.6% ISO （conventional process） to 74.9% ISO by enhancing pretreatment. Comparing the UV-vis reflectance and Raman spectra of the pulps prepared in the abovementioned two process conditions， it was found that a good deal of the unsaturated conjugated structures of the side chain in benzene rings were removed， but certain new sub-chromogenic groups increased because of the enhancing pretreatment. The structure of the stable chromophores of the Neosinocalamus Affinis TMP was tentatively determined to be certain unsaturated conjugated structures of the benzene ring side chain and furan-type conjugated structure.
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