Release characteristics of selected carbon nanotube polymer composites

被引：199

作者：

Kingston, Christopher ^{[1
]}

Zepp, Richard ^{[2
]}

Andrady, Anthony ^{[3
]}

Boverhof, Darrell ^{[4
]}

Fehir, Richard ^{[5
]}

Hawkins, Douglas ^{[6
]}

Roberts, Justin ^{[5
]}

Sayre, Philip ^{[7
]}

Shelton, Betsy ^{[8
]}

Sultan, Yasir ^{[9
]}

Vejins, Viktor ^{[10
]}

Wohlleben, Wendel ^{[11
]}

机构：

[1] Natl Res Council Canada, Emerging Technol Div, Ottawa, ON K1A 0R6, Canada

[2] US Environm Protect Agcy, Ecosyst Res Div, Natl Exposure Res Lab, Athens, GA 30605 USA

[3] N Carolina State Univ, Dept Chem & Biornol Engn, Raleigh, NC 27606 USA

[4] Dow Chem Co USA, Toxicol & Environm Res & Consulting, Midland, MI 48674 USA

[5] US EPA, Off Chem Safety & Pollut Prevent, Washington, DC 20460 USA

[6] Dow Chem Co USA, Spring House, PA 19477 USA

[7] US EPA, Off Pollut Prevent & Tox, Risk Assessment Div, Washington, DC 20460 USA

[8] Ferrouswheel Solut, Austin, TX 78748 USA

[9] Environm Canada, Gatineau, PQ J8X 4C8, Canada

[10] Nano C Inc, Westwood, MA 02090 USA

[11] BASF SE, D-67056 Ludwigshafen, Germany

来源：

CARBON | 2014年 / 68卷

关键词：

IN-SITU POLYMERIZATION; MECHANICAL-PROPERTIES; THERMAL-DEGRADATION; NANOTUBE/POLYETHYLENE NANOCOMPOSITES; PHOTODEGRADED POLYMERS; POTENTIAL RELEASE; MATRIX COMPOSITES; POLYURETHANE; POLYETHYLENE; DISPERSION;

D O I：

10.1016/j.carbon.2013.11.042

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Multi-walled carbon nanotubes (MWCNTs) are commonly used in polymer formulations to improve strength, conductivity, and other attributes. A developing concern is the potential for carbon nanotube polymer nanocomposites to release nanoparticles into the environment as the polymer matrix degrades or is mechanically stressed. Here, we review characteristics related to release potential of five sets of polymer systems: epoxy, polyamide, polyurethane, polyethylene, and polycarbonate. Our review includes consideration of general characteristics and use of the polymer (as related to potential MWCNT release) and its MWCNT composites; general potential for nanomaterial release (particularly MWCNTs) due to degradation and mechanical stresses during use; and potential effects of stabilizers and plasticizers on polymer degradation. We examine UV degradation, temperature extremes, acid-base catalysis, and stresses such as sanding. Based on a high-level summary of the characteristics considered, the potential for release of MWCNT with typical, intended consumer use is expected to be low. (C) 2013 The Authors. Published by Elsevier Ltd. All rights reserved.

引用

页码：33 / 57

页数：25

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