Polyethylene/boron-containing composites for radiation shielding

Ji Wook Shin; Jang Woo Lee; Seunggun Yu; Bum Ki Baek; Jun Pyo Hong; Yongsok Seo; Woo Nyon Kim; Soon Man Hong; Chong Min Koo

doi:10.1016/j.tca.2014.03.039

Polyethylene/boron-containing composites for radiation shielding

Ji Wook Shin, Jang Woo Lee, Seunggun Yu, Bum Ki Baek, Jun Pyo Hong, Yongsok Seo, Woo Nyon Kim, Soon Man Hong, Chong Min Koo

Department of Chemical and Biological Engineering

Research output: Contribution to journal › Article

73 Citations (Scopus)

Abstract

High-density polyethylene (HDPE) composites with modified boron nitride (mBN) fillers, functionalized with an organosilane, were fabricated through conventional melt-extrusion processing techniques. The properties and performances of these composites were compared with those of the composites containing pristine BN and boron carbide (B₄C) fillers. The silane functionalization of the BN fillers strongly improved the interfacial adhesion between the polymer matrix and the filler. As a result, the HDPE/mBN composites showed a better dispersion state of the filler particles, larger tensile modulus, greater effective thermal conductivity, and better neutron shielding property compared with the HDPE/BN and HDPE/B₄C composites.

Original language	English
Pages (from-to)	5-9
Number of pages	5
Journal	Thermochimica Acta
Volume	585
DOIs	https://doi.org/10.1016/j.tca.2014.03.039
Publication status	Published - 2014 Jun 10

Keywords

Boron nitride
Composites
Effective thermal conductivity
Radiation shielding
Surface treatment

ASJC Scopus subject areas

Instrumentation
Condensed Matter Physics
Physical and Theoretical Chemistry

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Shin, J. W., Lee, J. W., Yu, S., Baek, B. K., Hong, J. P., Seo, Y., Kim, W. N., Hong, S. M., & Koo, C. M. (2014). Polyethylene/boron-containing composites for radiation shielding. Thermochimica Acta, 585, 5-9. https://doi.org/10.1016/j.tca.2014.03.039

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title = "Polyethylene/boron-containing composites for radiation shielding",

abstract = "High-density polyethylene (HDPE) composites with modified boron nitride (mBN) fillers, functionalized with an organosilane, were fabricated through conventional melt-extrusion processing techniques. The properties and performances of these composites were compared with those of the composites containing pristine BN and boron carbide (B4C) fillers. The silane functionalization of the BN fillers strongly improved the interfacial adhesion between the polymer matrix and the filler. As a result, the HDPE/mBN composites showed a better dispersion state of the filler particles, larger tensile modulus, greater effective thermal conductivity, and better neutron shielding property compared with the HDPE/BN and HDPE/B4C composites.",

keywords = "Boron nitride, Composites, Effective thermal conductivity, Radiation shielding, Surface treatment",

author = "Shin, {Ji Wook} and Lee, {Jang Woo} and Seunggun Yu and Baek, {Bum Ki} and Hong, {Jun Pyo} and Yongsok Seo and Kim, {Woo Nyon} and Hong, {Soon Man} and Koo, {Chong Min}",

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AU - Shin, Ji Wook

AU - Lee, Jang Woo

AU - Yu, Seunggun

AU - Baek, Bum Ki

AU - Hong, Jun Pyo

AU - Seo, Yongsok

AU - Kim, Woo Nyon

AU - Hong, Soon Man

AU - Koo, Chong Min

PY - 2014/6/10

Y1 - 2014/6/10

N2 - High-density polyethylene (HDPE) composites with modified boron nitride (mBN) fillers, functionalized with an organosilane, were fabricated through conventional melt-extrusion processing techniques. The properties and performances of these composites were compared with those of the composites containing pristine BN and boron carbide (B4C) fillers. The silane functionalization of the BN fillers strongly improved the interfacial adhesion between the polymer matrix and the filler. As a result, the HDPE/mBN composites showed a better dispersion state of the filler particles, larger tensile modulus, greater effective thermal conductivity, and better neutron shielding property compared with the HDPE/BN and HDPE/B4C composites.

AB - High-density polyethylene (HDPE) composites with modified boron nitride (mBN) fillers, functionalized with an organosilane, were fabricated through conventional melt-extrusion processing techniques. The properties and performances of these composites were compared with those of the composites containing pristine BN and boron carbide (B4C) fillers. The silane functionalization of the BN fillers strongly improved the interfacial adhesion between the polymer matrix and the filler. As a result, the HDPE/mBN composites showed a better dispersion state of the filler particles, larger tensile modulus, greater effective thermal conductivity, and better neutron shielding property compared with the HDPE/BN and HDPE/B4C composites.

KW - Boron nitride

KW - Composites

KW - Effective thermal conductivity

KW - Radiation shielding

KW - Surface treatment

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