Carbonization of cellulose fibers—II. Physical property study

Bacon, Roger; Tang, Ming

doi:10.1016/0008-6223(64)90036-3

Cited by 175 publications

(49 citation statements)

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“…By Differential Thermogravimetric (DTG), the major weight loss was observed at 358°C followed by second minor weight loss of 6 wt.% at 410°C. The basic microstructure of the carbon is formed between 300 and 450°C [37]. Depolymerization to monosaccharide derivatives occurs during this stage of carbonisation.…”

Section: Thermo-gravimetric Analysis (Tga)mentioning

confidence: 99%

Towards green carbon fibre manufacturing from waste cotton: a microstructural and physical property investigation

et al. 2017

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Abstract. The work presents the usefulness of cotton fibre waste as a source of carbon fibre (CF) by pyrolysis. Different pyrolysis temperatures were studied to assess the surface and structural changes during carbonisation. The structural and surface modification of fibres during carbonisation was studied by thermogravimetric analysis (TGA), Field Emission Scanning Electron Microscopy (FESEM), and Raman spectroscopy. Lowpressure plasma employed for surface functionalization treatment in presence of oxygen was conducted. The surface modification was analysed and compared by X-ray Photoelectron Spectroscopy (XPS) and contact angle analysis. Carbon fibre structural strength was studied using nanoindentation. The carbon fibres before and after functionalization revealed a significant change in surface hydrophilicity. In nanoindentation, the maximum displacement of carbon fibre produced at 400°C is higher when compared to treatment of 600°C and 800°C, for identical applied load, revealing lower resistance to applied load, while the carbon fibre produced at 600°C has the least displacement, i.e. higher resistance to applied load. Enhancement of material strength (through resistance to applied load) after surface functionalization is evidenced for the case of carbon fibre produced at 400°C and no effect for carbon fibre (both plain and functionalized) produced at 800°C.

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Section: Thermo-gravimetric Analysis (Tga)mentioning

confidence: 99%

Towards green carbon fibre manufacturing from waste cotton: a microstructural and physical property investigation

et al. 2017

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“…Indeed both cellulose and lignin based CF have been commercially produced at one point in the past (Bacon and Tang 1964;Dumanlı and Windle 2012). The major limitation preventing largescale production of either cellulose or lignin differs.…”

Section: Introductionmentioning

confidence: 99%

Enhanced stabilization of cellulose-lignin hybrid filaments for carbon fiber production

Byrne

Silva

et al. 2017

Cellulose

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Herein we investigate the stabilization behavior of a cellulose-lignin composite fibre towards application as a new bio derived precursor for carbon fibres. Carbon fibre materials are in high demand as we move towards a lower emission high-efficiency society. However, the most prominent current carbon fibre precursor is an expensive fossil-based polymer. Over the past decade significant research has focused on using renewable and bio derived alternatives. By blending cellulose and lignin and spinning a fibre with a continuous bi-component matrix a new approach to overcome the current limitations of both these precursors is proposed. A thorough study is conducted here on understanding the stabilization of the new precursors which is a critical step in the carbon fibre process. We show that stabilization times of the composite fibre are significantly reduced in comparison to pure lignin and improvements in mass yield compared to pure cellulose fibres are observed.

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“…셀룰로오스(cellulose) 섬유로부터 안정화섬유(stabilized fiber)를 거쳐 탄소섬유로 전환되는 과정은 열적 거동 변화의 관점에서 크게 셀룰로오스의 열분해(pyrolysis) 를 통한 안정화와 탄화/흑연화 같은 고온열처리 과정 으로 나누어진다 [1,2]. 안정화공정(stabilization process)은 100∼400°C 영역에서 안정화온도, 승온속도, 난연제 [5].…”

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Effects of Ultrasonic Cleaning and Chemical Pre-treatment on the Characteristics of Fast-stabilized Rayon Fabrics

Cho¹,

Cho²

2013

Adhesion and Interface

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In the present study, stabilized rayon fabrics were prepared from fast isothermal stabilization processes, which were carried out within four minutes at 350°C. The effects of ultrasonic cleaning and chemical pre-treatment on the chemical composition, physical characteristics, X-ray diffraction pattern, thermal stability and shape of the stabilized rayon fabrics were investigated extensively. In order to reduce the weight loss and thermal shrinkage of rayon fabrics occurring during the stabilization process, ultrasonic cleaning was first conducted and then chemical pre-treatments using NH4Cl, Na3PO4, H3PO4, and ZnCl2 were performed, respectively. The results indicated that both ultrasonic cleaning and chemical pre-treatment influenced the weight loss, thermal shrinkage, microstructure, carbon content, thermal stability and fabric shape of stabilized rayon fabrics. Also the results depended on the fast-stabilization time and the type of chemical pre-treatment agents used.

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Carbonization of cellulose fibers—II. Physical property study

Cited by 175 publications

References 1 publication

Towards green carbon fibre manufacturing from waste cotton: a microstructural and physical property investigation

Towards green carbon fibre manufacturing from waste cotton: a microstructural and physical property investigation

Enhanced stabilization of cellulose-lignin hybrid filaments for carbon fiber production

Effects of Ultrasonic Cleaning and Chemical Pre-treatment on the Characteristics of Fast-stabilized Rayon Fabrics

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