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151.

The effect of the spinning conditions on the structure of mesophase pitch-based carbon fibers by Taguchi method

Zhao Jiang, Ting Ouyang, Xiangdong Yao, Youqing Fei 한국탄소학회 Carbon Letters 10 Pages

한국탄소학회 Carbon Letters 2016, Vol.19 11 89-98 (10 pages)

Zhao Jiang, Ting Ouyang, Xiangdong Yao, Youqing Fei 저
...
- 3,000원
Taguchi’s experimental design was employed in the melt spinning of molten mesophase pitch to produce carbon fibers. The textures of the obtained carbon fibers were radial with varied crack angles, as observed by scanning electron microscopy and polarized optical imaging. The diameter, crack angle, preferred orientation, and tensile modulus of the produced samples were examined to investigate the influence of four spinning variables. The relative importance of the variables has been emphasized...
152.

Pitch-based carbon fibers from coal tar or petroleum residue under the same processing condition

Jiyoung Kim, Ui-Su Im, Byungrok Lee, Dong-Hyun Peck, Seong-Ho Yoon, Doo-Hwan Jung 한국탄소학회 Carbon Letters 7 Pages

한국탄소학회 Carbon Letters 2016, Vol.19 9 72-78 (7 pages)

Jiyoung Kim, Ui-Su Im, Byungrok Lee, Dong-Hyun Peck, Seong-Ho Yoon, Doo-Hwan Jung 저
...
- 3,000원
Spinnable pitches and carbon fibers were successfully prepared from petroleum or coal pyrolysis residues. After pyrolysis fuel oil (PFO), slurry oil, and coal tar were simply filtered to eliminate the solid impurities, the characteristics of the raw materials were evaluated by elemental analysis, 13C nuclear magnetic resonance spectrometer, matrix-assisted laser desorption/ionization time-of-flight mass spectrometer (MALDI-TOF-MS), and so on. Spinnable pitches were prepared for melt-spinning...
153.

Phenylethynyl-terminated polyimide, exfoliated graphite nanoplatelets, and the composites: an overview

Donghwan Cho, Lawrence T. Drzal 한국탄소학회 Carbon Letters 11 Pages

한국탄소학회 Carbon Letters 2016, Vol.19 1 1-11 (11 pages)

Donghwan Cho, Lawrence T. Drzal 저
...
- 4,000원
In efforts to characterize and understand the properties and processing of phenylethynyl-terminated imide (LaRC PETI-5, simply referred to as PETI-5) oligomers and polymers as a high-temperature sizing material for carbon fiber-reinforced polymer matrix composites, PETI-5 imidization and thermal curing behaviors have been extensively investigated based on the phenylethynyl end-group reaction. These studies are reviewed here. In addition, the use of PETI-5 to enhance interfacial adhesion between...
154.

Sorption behavior of slightly reduced, three-dimensionally macroporous graphene oxides for physical loading of oils and organic solvents

Ho Seok Park, Sung Oong Kang 한국탄소학회 Carbon Letters 6 Pages

한국탄소학회 Carbon Letters 2016, Vol.18 4 24-29 (6 pages)

Ho Seok Park, Sung Oong Kang 저
...
- 3,000원
High pollutant-loading capacities (up to 319 times its own weight) are achieved by three-dimensional (3D) macroporous, slightly reduced graphene oxide (srGO) sorbents, which are prepared through ice-templating and consecutive thermal reduction. The reduction of the srGO is readily controlled by heating time under a mild condition (at 1 10?2 Torr and 200°C). The saturated sorption capacity of the hydrophilic srGO sorbent (thermally reduced for 1 h) could not be improved further even though the...
155.

Microstructural changes of polyacrylonitrile-based carbon fibers (T300 and T700) due to isothermal oxidation (1): focusing on morphological changes using scanning electron microscopy

Seong-Moon Oh, Sang-Min Lee, Dong-Su Kang, Jae-Seung Roh 한국탄소학회 Carbon Letters 6 Pages

한국탄소학회 Carbon Letters 2016, Vol.18 3 18-23 (6 pages)

Seong-Moon Oh, Sang-Min Lee, Dong-Su Kang, Jae-Seung Roh 저
...
- 3,000원
Polyacrylonitrile (PAN)-based carbon fibers have high specific strength, elastic modulus, thermal resistance, and thermal conductivity. Due to these properties, they have been increasingly widely used in various spheres including leisure, aviation, aerospace, military, and energy applications. However, if exposed to air at high temperatures, they are oxidized, thus weakening the properties of carbon fibers and carbon composite materials. As such, it is important to understand the oxidation...
156.

Effects of an inorganic ammonium salt treatment on the flame-retardant performance of lyocell fibers

Hyeong Gi Kim, Byong Chol Bai, Se Jin In, Young-Seak Lee 한국탄소학회 Carbon Letters 5 Pages

한국탄소학회 Carbon Letters 2016, Vol.17 No.1 11 74-78 (5 pages)

Hyeong Gi Kim, Byong Chol Bai, Se Jin In, Young-Seak Lee 저
...
- 1,500원
157.

Microwave-assisted pretreatment technologies for the conversion of lignocellulosic biomass to sugars and ethanol: a review

Pradeep Puligundla, Sang-Eun Oh, Chulkyoon Mok 한국탄소학회 Carbon Letters 10 Pages

한국탄소학회 Carbon Letters 2016, Vol.17 No.1 1 1-10 (10 pages)

Pradeep Puligundla, Sang-Eun Oh, Chulkyoon Mok 저
...
- 3,000원
Lignocellulosic biomass conversion to biofuels such as ethanol and other value-added bio-products including activated carbons has attracted much attention. The development of an efficient, cost-effective, and eco-friendly pretreatment process is a major challenge in lignocellulosic biomass to biofuel conversion. Although several modern pretreatment technologies have been introduced, few promising technologies have been reported. Microwave irradiation or microwave-assisted methods (physical and...
158.

Influence of laminated orientation on the mechanical and thermal characteristics of carbon-fiber reinforced plastics

Hee-Jae Shin, Lee-Ku Kwac, Min-Sang Lee, Hong-Gun Kim 한국탄소학회 Carbon Letters 6 Pages

한국탄소학회 Carbon Letters 2015, Vol.16 No.4 3 241-246 (6 pages)

Hee-Jae Shin, Lee-Ku Kwac, Min-Sang Lee, Hong-Gun Kim 저
...
- 3,000원
Rapid industrial development in recent times has increased the demand for light-weight materials with high strength and structural integrity. In this context, carbon fiber-reinforced plastic (CFRP) composite materials are being extensively used. However, laminated CFRPs develop faults during impact because CFRPs are composed of mixed carbon fiber and epoxy. Moreover, their fracturing behavior is very complicated and difficult to interpret. In this paper, the effect of the direction of lamination...
159.

Advances in liquid crystalline nano-carbon materials: preparation of nano-carbon based lyotropic liquid crystal and their fabrication of nano-carbon fibers with liquid crystalline spinning

Yong-Mun Choi, in Jung Jun Yeon, Hwang Seung Min, Kim Hyeonsu Jeong, Bon-Cheol Ku, Munju Goh 한국탄소학회 Carbon Letters 10 Pages

한국탄소학회 Carbon Letters 2015, Vol.16 No.4 1 223-232 (10 pages)

Yong-Mun Choi, in Jung Jun Yeon, Hwang Seung Min, Kim Hyeonsu Jeong, Bon-Cheol Ku, Munju Goh 저
...
- 3,000원
This review presents current progress in the preparation methods of liquid crystalline nanocarbon materials and the liquid crystalline spinning method for producing nano-carbon fibers. In particular, we focus on the fabrication of liquid crystalline carbon nanotubes by spinning from superacids, and the continuous production of macroscopic fiber from liquid crystalline graphene oxide.
160.

Stabilization of pitch-based carbon fibers accompanying electron beam irradiation and their mechanical properties

Mi-Seon Park, Yoonyoung Ko, Min-Jung Jung, Young-Seak Lee 한국탄소학회 Carbon Letters 6 Pages

한국탄소학회 Carbon Letters 2015, Vol.16 No.2 8 121-126 (6 pages)

Mi-Seon Park, Yoonyoung Ko, Min-Jung Jung, Young-Seak Lee 저
...
- 3,000원
Carbon fibers are prepared by stabilizing pitch fibers accompanying electron beam (E-beam) irradiation. The carbon fibers pretreated by E-beam irradiation achieve a higher stabilization index than the carbon fibers that are only heat-stabilized. In addition, the carbon fibers subjected to E-beam irradiation in the stabilization step exhibit a comparable tensile strength to that of general purpose carbon fibers. The carbon fibers pretreated with an absorbed dose of 3000 kGy have a tensile...

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