Preparation and Properties of Thermally Conductive Copper Paper

Haohui, Kong; Chen, Senlin; He, Weijian; Chen, Cuiling; Jia, Wu; Ma, Hongyan; Yang, Fei

doi:10.15376/biores.13.2.3986-3993

Cited by 2 publications

(5 citation statements)

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“…As shown in Fig. 3a, the samples 0# ~ 3# display that, within a certain range, the cooling range of the thermal conductivity rod increases with the increase of the weight of copper powder in the TCR, which is consistent with the trend of thermal conductivity in previous literature [17]. And the highest cigarette burning temperature can drop by 150 ℃ when the fiber mass / copper powder mass is 1 g /12 g. It is illustrated in Fig.…”

Section: Resultssupporting

confidence: 86%

“…After the weight of the copper powder reaching a certain content, even if the copper powder / fiber specific gravity is the same or even higher, the cooling effect will decrease. The reason is that when the content of copper powder is too high, the copper powder will stack, which will cause the thermal diffusion path to be dispersed, and on the contrary, the thermal conductivity will decrease [17]. The results of samples 8# ~ 10# (Fig.…”

Section: Resultsmentioning

confidence: 99%

“…Preparation of Copper Paper. The copper paper was prepared according to the method described in the literature [17]. The content of pulp used in the preparation of copper paper of various specifications and the content of the copper powder retained on the paper are shown in Table 1.…”

Section: Methodsmentioning

confidence: 99%

“…In this study, the bleached wood pulp and Cu micro powder were used as raw materials, a thermally conductive cellulose/copper composite rod (TCCR) was prepared via a traditional paper-making method with lower manufacturing costs [17]. Then TCR was obtained via rolling the perforated copper-paper, and then was implanted into the cut tobacco section.…”

Section: Introductionmentioning

confidence: 99%

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Thermally Conductive Cellulose/Coper Composite Rods for Tailoring the Characteristics of Cigarettes

Kong

Chen

et al. 2022

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A new style of low temperature combustion cigarettes was prepared by implanting a thermally conductive cellulose/coper composite rod (TCCR) in the cut tobacco section, so as to explore the application feasibility at the low temperature environment. The burning temperature of the cigarettes was investigated by thermocouple to study the influence of the implanted TCCRs. The emission of conventional components and seven harmful components in mainstream smoke were also carried out to study the effect of TCCRs. The results show that implantation of TCCRs could reduce the burning temperature of cigarettes effectively, which decreased over 100 °C. In compared with conventional cigarettes, the amount of nicotine and nicotine-freed dry particulate matter (NFDPM) in mainstream smoke of TCCRs implanted cigarettes changed little, while the release of harmful components such as CO, HCN, NNK and phenol decreased over 20%. Moreover, the TCCRs, which made of copper paper with 2 g / 18 g weight ratio of pulp and copper, and 5 mm interval perforating, could reduce the burning temperature of cigarettes by 145 °C and the hazard index by 2.01.

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Section: Resultssupporting

confidence: 86%

Section: Resultsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Thermally Conductive Cellulose/Coper Composite Rods for Tailoring the Characteristics of Cigarettes

Kong

Chen

et al. 2022

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“…Analogously, the electrical and thermal conductivity of a metallic filler content can be exploited with highly filled papers, if thermally conducting and flexible plates should be generated. The thermal conductivity of cellulose papers with a copper filler content of up 14.3 wt% (or a ratio of 1:6 between copper particles and pulp fibers) could already be dramatically increased . In previous studies, electronic circuits and piezoelectric structures had been printed onto cellulose papers .…”

Section: Applications Of Highly Filled Papers and Paper‐derived Matermentioning

confidence: 99%

Highly Filled Papers, on their Manufacturing, Processing, and Applications

et al. 2019

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Since more than a decade ago, the research on highly filled papers, as well as paper-derived inorganic materials, has greatly intensified. As presented in this review, highly filled papers as preforms allow for the design of porous or dense, multilayered, and geometrically complex structures. These paperderived ceramic-or metal-based materials are generated by the heattreatment of highly filled papers. Paper-derived materials are potential materials of choice for applications in transportation, energy-generation, environmental conservation, support structures, medical uses, and electronic components. Due to the adjustability of the filler content and the good machinability of highly filled papers, paper-derived sheets or multilayers may include intricate structures and tailored gradients in phase structure or porosity. Paper-derived multilayers also may contain cast ceramic tapes or other functionalized layers, as presented in some examples. Computer-aided manufacturing processes for paper-derived materials can be supplemented by prediction models for the sintering shrinkage in order to identify optimal post-processing steps, stacking orders and orientations for highly filled paper layers within multilayer green bodies. The accuracy of established component-level sintering models can be significantly increased by microstructure models of the highly filled paper. ParameterName Unit α Mismatch parameter for fiber cross-sections, Equation (5) Dimensionless α p Layer position in viscoelastic paper structure model, Equation (2) Dimensionless A 0 Initial amplitude of perturbation, Equations (15) 10 À6 m A(f) Parameter for evolution of instantaneous carbon conversion rate, Equation (7) Dimensionless A diff Source controlled diffusion parameter, Equations (9) 10 À7 N A match Modeling parameter, Equations (8) Dimensionless a Inter-particle contact-area radius, Equations (19) 10 À8 m a Local average pore area, Equation (4) 10 À6 m 2 b Pore geometry constant, Equation (20) Dimensionless ß evo , m evo Empirical constants for grain evolution in SOVS model, Equation (8) Dimensionless ß r(c)p Proportionality constant for bimodal packing fraction determination, Equation (18) Dimensionless C Modeling constant for debindering pressure calculation, Equation (7) 10 À6 (m 2 Á s)/K C 1 , C 2 , C 3 , C 4 , C 5 Parameters in the Riedel model that are determined by the dihedral angle, Equations (9) Dimensionless c glue Heat capacity of the adhesive layers, Equation (3) 10 À6 s c L , c s Volume fraction of larger-sized/smaller-sized particles in a multimodal mixture of particles, Equation (17)and (18) 10 0 vol% c vol Volume concentration of pulp fibers, Equation (4) 10 0 vol% γ, γ 0 Strain relaxation rate of calendered paper with initial value, Equation (2) Dimensionless γ B Grain boundary energy density, Equation (13) 10 0 J m À2 γ b Specific energy for grain boundary diffusion, Equation (9) 10 3 J mol À1 γ S Material surface energy, Equation (8, 11, and 13) 10 0 J m À2 Δ Half of the inter-particle boundary thickness, Equation (19) 10 À8...

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Preparation and Properties of Thermally Conductive Copper Paper

Cited by 2 publications

References 0 publications

Thermally Conductive Cellulose/Coper Composite Rods for Tailoring the Characteristics of Cigarettes

Thermally Conductive Cellulose/Coper Composite Rods for Tailoring the Characteristics of Cigarettes

Highly Filled Papers, on their Manufacturing, Processing, and Applications

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