Preparation and properties of flexible flame-retardant neutron shielding material based on methyl vinyl silicone rubber

Chai, Herzl; Tang, Xiaobin; Ni, Minxuan; Chen, Feida; Zhang, Yun; Chen, Da; Qiu, Yunlong

doi:10.1016/j.jnucmat.2015.04.048

Cited by 55 publications

(16 citation statements)

References 16 publications

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“…Besides, due to existence of aromatic ring in the polymer backbone, it has an excellent durability over gamma ray and neutron irradiation (Chilton et al, 1984;Ivanov, 1992) in comparison with polyethylene or concrete (Okuno, 2005). Meanwhile, an improved flame retardancy property could be achieved through the utilization of some inorganic additives such as ATH 1 , MDH 2 or ZB 3 (Chai et al, 2015;Laoutid et al, 2009;Leeuwendal et al, 2002;Zhang and Horrocks, 2003). Therefore, using epoxy resin as a structure material in radiation facilities has become widespread and many investigations have carried out on epoxy based composite as radiation-shielding material (Aygün et al, 2015;Korkut et al, 2013;Lo Frano et al, 2011;Zhang, 2010).…”

Section: -Introductionmentioning

confidence: 99%

Neutron irradiation tests on B4C/epoxy composite for neutron shielding application and the parameters assay

Adeli¹,

Shirmardi

Ahmadi

2016

Radiation Physics and Chemistry

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Section: -Introductionmentioning

confidence: 99%

Neutron irradiation tests on B4C/epoxy composite for neutron shielding application and the parameters assay

Adeli¹,

Shirmardi

Ahmadi

2016

Radiation Physics and Chemistry

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“…A Schematic diagram of neutron shielding performance test is shown in Fig. . The specimens with dimensions of diameter 10 cm and 1‐cm thickness were prepared via hot processing at 180°C and 10 MPa for 10 min.…”

Section: Methodsmentioning

confidence: 99%

Functionalization of boron nitride nanosheets by diazonium salt for preparation of nanocomposites with high‐density polyethylene

Chen

et al. 2018

Polymer Composites

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Functionalization of boron nitride nanosheets (BNNSs)has always been a challenge due to its chemical inertness and anti-oxidative properties. In a concentrated base environment, the B-N bonds on the surface of BNNSs were broken to produce a large number of B-OH and N-H functional groups. Afterwards, aniline carbocation produced by decomposition of the diazonium salt was utilized to achieve high grafting content of Ph-NH 2 groups onto the surface of BNNSs. Further, the amide reaction between amino and stearyl chloride verified the reactivity of Ph-NH 2 groups on the surface of BNNSs, with the result that BNNSs were abundantly decorated by aliphatic chains at 22.9 wt% grafting yield. The surface aliphatic chains of BNNSs strongly improved the interfacial adhesion between the High-density polyethylene (HDPE) matrix and the filler and provided an excellent dispersion of SC-BNNSs in the HDPE matrix. Therefore, HDPE/SC-BNNSs nanocomposites showed improved thermal stability, thermal conductivity, neutron shielding property and flexural modulus with no apparent reduction in tensile strength. When filler content exceeded 5 wt%, the HDPE/SC-BNNSs nanocomposites showed a higher thermal decomposition temperature than the composites with pristine BNNSs fillers. POLYM.

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“…[8] Therefore, the modification of silica surface with most commonly used silane-coupling agents is necessary to enhance the rubber-filler interaction by reducing the density of hydroxyl groups on their surface. [9][10][11][12] However, the coupled silica fillers impart exceptionally good dynamic properties to the rubber matrix. Therefore, the pros of carbon black can be complementary to the cons of silica filler and from that concern the intention of hybrid fillers initiated.…”

Section: Introductionmentioning

confidence: 99%

Influence of partial substitution of carbon black with silica on mechanical, thermal, and aging properties of super specialty elastomer based composites

et al. 2020

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The reduction of the carbon black quantity in elastomeric composites is a massive requirement from environmental perspective and a huge challenge for industrial implementation. The present work consists of the replacement of half amount of carbon black with silica without compromising the basic properties along with ushering of superior characteristics of fluoroelastomer and silicone rubber blends. The comparative study of carbon black-silica hybrid filler (1:1 ratio) with carbon black and silica at different loadings shows much superior aging behavior and thermal stability compared with the other composites with unforeseen increment of tensile strength (56%). The fundamentals of rubber-filler interaction and reinforcement phenomenon of the hybrid filler composites have been determined by the correlation of the experimental findings with different models like Nicolais-Narkis, Nielsen, Guth, and Kerner model. Furthermore, enhanced compatibility between the two rubber phases has been observed in terms of T g shifting (3.8 C) and reduced FKM domain size (from 450 to 300 nm) in the silicone rubber matrix for hybrid filler composites. Morphological studies reflect the selected homogeneous dispersion of the carbon black in fluoroelastomer domain and silica in silicone rubber phase. These super specialty elastomeric composites can be used as oil and fuel resistant gaskets and O-rings for wide temperature range.

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Preparation and properties of flexible flame-retardant neutron shielding material based on methyl vinyl silicone rubber

Cited by 55 publications

References 16 publications

Neutron irradiation tests on B4C/epoxy composite for neutron shielding application and the parameters assay

Neutron irradiation tests on B4C/epoxy composite for neutron shielding application and the parameters assay

Functionalization of boron nitride nanosheets by diazonium salt for preparation of nanocomposites with high‐density polyethylene

Influence of partial substitution of carbon black with silica on mechanical, thermal, and aging properties of super specialty elastomer based composites

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