Toxicological Risks of Selected Flame-Retardant Chemicals

Toxicological Risks of Selected Flame-Retardant Chemicals PDF

Author: National Research Council

Publisher: National Academies Press

Published: 2000-07-06

Total Pages: 534

ISBN-13: 0309171938

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Ignition of upholstered furniture by small open flames from matches, cigarette lighters, and candles is one of the leading causes of residential-fire deaths in the United States. These fires accounted for about 16% of civilian fire deaths in 1996. On average, each year since 1990, about 90 deaths (primarily of children), 440 injuries, and property losses amounting to 50 million dollars have resulted from fires caused by the ignition of upholstered furniture by small open flames. Certain commercial seating products (such as aircraft and bus seats) are subject to flammability standards and sometimes incorporate FR-treated upholstery cover materials, but there is no federal-government requirement for residential upholstered furniture, and it is generally not treated with FR chemicals. It is estimated that less than 0.2% of all U.S. residential upholstery fabric is treated with flame-retardant (FR) chemicals. The Consumer Product Safety Act of 1972 created the U.S. Consumer Product Safety Commission (CPSC) as an independent federal regulatory agency whose mission is to protect the public from unreasonable risks of injury and death associated with consumer products. CPSC also administers the Flammable Fabrics Act, under which it regulates flammability hazards and the Federal Hazardous Substances Act (FHSA), which regulates hazardous substances including chemicals. In 1993, the National Association of State Fire Marshals petitioned CPSC to issue a performance-based flammability standard for upholstered furniture to reduce the risk of residential fires. The Commission granted that portion of the petition relating to small open flame ignition risks. In response to concerns regarding the safety of FR chemicals, Congress, in the fiscal year 1999 appropriations report for CPSC, requested that the National Research Council conduct an independent study of the health risks to consumers posed by exposure to FR chemicals that are likely to be used in residential upholstered furniture to meet a CPSC standard. The National Research Council assigned the project to the Committee on Toxicology (COT) of the Commission on Life Sciences' Board on Environmental Studies and Toxicology. COT convened the Subcommittee on Flame-Retardant Chemicals, which prepared this report. Subcommittee members were chosen for their recognized expertise in toxicology, pharmacology, epidemiology, chemistry, exposure assessment, risk assessment, and biostatistics. Toxicological Risks of Selected Flame-Retardant Chemicals is organized into 18 chapters and two appendices. Chapter 2 describes the risk assessment process used by the subcommittee in determining the risk associated with potential exposure to the various FR chemicals. Chapter 3 describes the method the subcommittee used to measure and estimate the intensity, frequency, extent, and duration of human exposure to FR chemicals. Chapters 4-19 provide the subcommittee's review and assessment of health risks posed by exposure to each of the 16 FR chemicals. Data gaps and research needs are provided at the end of these chapters.

Polymer Green Flame Retardants

Polymer Green Flame Retardants PDF

Author: Constantine D. Papaspyrides

Publisher: Newnes

Published: 2014-08-14

Total Pages: 943

ISBN-13: 0444538097

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Polymer Green Flame Retardants covers key issues regarding the response of polymers during fire, the mechanisms of their flame retardation, the regulations imposed on their use, and the health hazards arising from their combustion. Presenting the latest research developments, the book focuses in particular on nanocomposites, believed to be the most promising approach for producing physically superior materials with low flammability and ecological impact. The fire properties of nanocomposites of various matrixes and fillers are discussed, the toxicological characteristics of these materials are analyzed, addressing also their environmental sustainability. Edited by distinguished scientists, including an array of international industry and academia experts, this book will appeal to chemical, mechanical, environmental, material and process engineers, upper-level undergraduate and graduate students in these disciplines, and generally to researchers developing commercially attractive and environmentally friendly fire-proof products. Provides recent findings on the manufacture of environmentally sustainable flame retardant polymeric materials Covers legislation and regulations concerning flame retarded polymeric material use Includes tables containing the fire properties of the most common polymeric materials

Flame Retardants

Flame Retardants PDF

Author: Paulo B. Merlani

Publisher:

Published: 2010

Total Pages: 0

ISBN-13: 9781607415015

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Flame retardants comprise a diverse group of chemicals which are widely used at relatively high concentrations in many applications, including the manufacture of electronic equipment, textiles, plastic polymers and in the car industry, primarily to protect materials against ignition and to prevent fire-related damage. More than 175 different types of flame retardants exist, which are commonly divided into four major groups: halogenated organic (usually brominated or chlorinated), inorganic, organophosphorus and nitrogen-containing flame retardants. Depending on the mode of action, flame retardants can act at any of the steps involved in the combustion process. Flame retardants are designed to prevent the spread of fire and have thereby helped to save many lives while also dramatically reducing the economic impact of fires. However, flame retardants, particularly the class known as polybrominated diphenyl ethers (PBDE's), may be contributing to the rising prevalence of developmental disabilities due to their widespread use and physiologically active properties including direct neurotoxicity and endocrine disruption. This new and important book gathers the latest research from around the globe in the study of flame retardants and their functions, properties and safety.

A Class Approach to Hazard Assessment of Organohalogen Flame Retardants

A Class Approach to Hazard Assessment of Organohalogen Flame Retardants PDF

Author: National Academies of Sciences, Engineering, and Medicine

Publisher: National Academies Press

Published: 2019-07-19

Total Pages: 103

ISBN-13: 0309491215

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In the 1970s, flame retardants began to be added to synthetic materials to meet strict flammability standards. Over the years, diverse flame retardants have been manufactured and used in various products. Some flame retardants have migrated out of the products, and this has led to widespread human exposure and environmental contamination. There also is mounting evidence that many flame retardants are associated with adverse human health effects. As a result, some flame retardants have been banned, restricted, or voluntarily phased out of production and use. This publication develops a scientifically based scoping plan to assess additive, nonpolymeric organohalogen flame retardants as a class for potential chronic health hazards under the Federal Hazardous Substances Act, including cancer, birth defects, and gene mutations.

The Non-halogenated Flame Retardant Handbook

The Non-halogenated Flame Retardant Handbook PDF

Author: Alexander B. Morgan

Publisher: John Wiley & Sons

Published: 2014-04-07

Total Pages: 314

ISBN-13: 1118939204

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A one-stop, practical handbook containing all of the current commercial non-halogenated flame retardant technologies as well as experimental systems near commercialization In response to the emphasis on replacing halogenated flame retardants with alternate technologies, this handbook focuses on existing non-halogenated flame retardants and the experimental close-to-production systems that are available today. The Non-Halogenated Flame Retardant Handbook starts with an overview of the regulations and customer perceptions driving non-halogenated flame retardant selections over older halogenated technologies. It then moves on to cover the known major classes of non-halogenated flame retardants, before concluding with the current niche-performing technologies and untried commercial contenders of the future. The Non-Halogenated Flame Retardant Handbook: Takes a practical approach to addressing the narrow subject of non-halogenated flame retardancy—placing more emphasis on flame retardant selection for specific plastics, practical considerations in flame retardant material design, and the various technologies’ strengths and limits Focuses on the proper use of non-halogenated flame retardants, rather than the mechanics of how they work Discusses important future trends in flame retardancy Features sections written by industrial and chemical experts who know how to apply the technology to polymers for fire safety needs

Modern Polymer Flame Retardancy

Modern Polymer Flame Retardancy PDF

Author: S.M. Lomakin

Publisher: CRC Press

Published: 2023-01-06

Total Pages: 288

ISBN-13: 1466562579

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There are obvious benefits in using flame-retardants, as many human lives and property are saved from fire. A large number of compounds have been identified as being used as flame-retardants. At present, knowledge of long-term effects resulting from exposure to flame retardants and their breakdown products is limited. The aim of this volume in the book series New Concepts in Polymer Science is to provide a general overview of the nature, mechanism of action, use and environmental hazards for a number of flame-retardants. This monograph (together with the book by the same authors, Ecological Aspects of Polymer Flame Retardancy (1999) will valuable to anyone interested in the field of flame-retardant chemicals.

Ecological Aspects of Polymer Flame Retardancy

Ecological Aspects of Polymer Flame Retardancy PDF

Author: Gennady Zaikov

Publisher: CRC Press

Published: 2014-07-30

Total Pages: 158

ISBN-13: 1466562110

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This book deals with the ecological aspects of polymer flame retardation. It deals with methods for estimating polymer flammability, the mode of action of modern flame retardants, and ecological concerns of the most used halogenated flame retardants.