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T1  - Filament spinning of unbleached birch kraft pulps : Effect of pulping intensity on the processability and the fiber properties 
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UR  - http://hdl.handle.net/10138/307404 
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A1  - Ma, Yibo; Stubb, Jonas; Kontro, Inkeri; Nieminen, Kaarlo; Hummel, Michael; Sixta, Herbert 
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PB  -  
Y1  - 2018 
LA  - eng 
AB  - Man-made lignocellulosic fibres were successfully prepared from unbleached birch kraft pulps by using the Ioncell-F technology. Pulps with different lignin content were produced by tailored kraft pulping with varying intensity. The degree of polymerization of the pulps was adjusted by acid-catalyzed hydrolysis and electron beam treatment. All substrates were completely soluble in 1,5-diazabicyclo[4.3.0]non-5-enium acetate ([DBNH] OAc) and the respective solutions were spinnable to yield fibres w... 
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KW  - Lignocellulose; Fibres; Refining; Spinning; Ionic liquid; REGENERATED CELLULOSE FIBERS; IONIC LIQUID; LIGNOCELLULOSIC BIOMASS; ENZYMATIC-HYDROLYSIS; COMPOSITE FIBERS; PRETREATMENT; CRYSTALLINE; SORPTION/DESORPTION; 116 Chemical sciences; 114 Physical sciences 
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