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Bio-based Polyols and Polyurethanes

Bio-based Polyols and Polyurethanes
Author: Yebo Li
Publisher: Springer
Total Pages: 79
Release: 2015-08-07
Genre: Technology & Engineering
ISBN: 3319215396

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This brief outlines the most recent advances in the production of polyols and polyurethanes from renewable resources, mainly vegetable oils, lignocellulosic biomass, starch, and protein. The typical processes for the production of polyols from each of the above mentioned feedstocks are introduced and the properties of the resultant polyols and polyurethanes are also discussed.


Biobased Polyols for Industrial Polymers

Biobased Polyols for Industrial Polymers
Author: Deny Kyriacos
Publisher: John Wiley & Sons
Total Pages: 368
Release: 2020-03-17
Genre: Technology & Engineering
ISBN: 1119620163

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The replacement of polyols synthesized from petrochemical by polyols originating from natural products, notably from vegetable oils and animal fats, has been the subject of research projects for a number of decades. Very recently, however, the polymers industry has intensified its efforts to include the “green products”, such as biobased polyols, in applications already available in the market. Examples of such applications include polyurethane foams, elastomers and epoxides. This book describes the extraction of the natural constituents of several fruits and plants as well as their chemical conversion to polyols. In addition to the chemistry involved in the process, particular emphasis is attributed to their applications.


Aspects of Polyurethanes

Aspects of Polyurethanes
Author: Faris Yılmaz
Publisher: BoD – Books on Demand
Total Pages: 224
Release: 2017-09-27
Genre: Science
ISBN: 9535135457

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Polyurethanes are formed by reacting a polyol (an alcohol with more than two reactive hydroxyl groups per molecule) with a diisocyanate or a polymeric isocyanate in the presence of suitable catalysts and additives. Because a variety of diisocyanates and a wide range of polyols can be used to produce polyurethane, a broad spectrum of materials can be produced to meet the needs of specific applications. During World War II, a widespread use of polyurethanes was first seen, when they were used as a replacement for rubber, which at that time was expensive and hard to obtain. During the war, other applications were developed, largely involving coatings of different kinds, from airplane finishes to resistant clothing. Subsequent decades saw many further developments and today we are surrounded by polyurethane applications in every aspect of our everyday lives. While polyurethane is a product that most people are not overly familiar with, as it is generally "hidden" behind covers or surfaces made of other materials, it would be hard to imagine life without polyurethanes.


Mihail Ionescu: Polyols for Polyurethanes. Volume 2

Mihail Ionescu: Polyols for Polyurethanes. Volume 2
Author: Mihail Ionescu
Publisher: Walter de Gruyter GmbH & Co KG
Total Pages: 352
Release: 2019-09-02
Genre: Science
ISBN: 3110644126

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Volume 2 of the updated and extended 3rd edition of this work focuses on the chemistry and technology of rigid polyurethanes. Recent developments in obtaining polyols from renewable resources and the field of rigid polyurethanes have been included. This book is of interest to chemists and engineers in industry and academia as well as anyone working with polyols for the manufacture of PUs.


Bio-Based Plant Oil Polymers and Composites

Bio-Based Plant Oil Polymers and Composites
Author: Samy Madbouly
Publisher: William Andrew
Total Pages: 230
Release: 2015-08-27
Genre: Technology & Engineering
ISBN: 0323371280

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Bio-based Plant Oil Polymers and Composites provides engineers and materials scientists a useful framework to help take advantage of the latest research conducted in this rapidly advancing field—enabling them to develop and commercialize their own products quickly and more successfully. Plant oil is one of the most attractive options as a substitute for non-renewable resources in polymers and composites, and is producing materials with very promising thermomechanical properties relative to traditional, petroleum-based polymers. In addition to critical processing and characterization information, the book assists engineers in deciding whether or not they should use a plant oil-based polymer over a petroleum-based polymer, discussing sustainability concerns, biodegradability, associated costs, and recommended applications. The book details the advancements in the development of polymeric materials and composites from plant oils, and provides a critical review of current applications in various fields, including packaging, biomedical, and automotive applications. Also includes the latest progress in developing multifunctional biobased polymers—by increasing thermal conductivity or adding antibacterial properties, for example. Essential coverage of processing, characterization, and the latest research into polymeric materials and composites derived from plant oils (thermoplastics, thermosets, nanocomposites, and fiber reinforced composites) Critically reviews the potential applications of plant oil-based polymers, including sensors, structural parts, medical devices, and automotive interiors Includes the latest developments in multifunctional bio-based polymer composites


Rethinking Polyester Polyurethanes

Rethinking Polyester Polyurethanes
Author:
Publisher: Elsevier
Total Pages: 320
Release: 2023-04-24
Genre: Science
ISBN: 0323983138

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Rethinking Polyester Polyurethanes: Algae Based Renewable, Sustainable, Biodegradable and Recyclable Materials explains how and why bio-based materials, specifically algae, will change the polymer industry. The book provides background on algae, polyurethanes (PUs), and their everyday use. It covers the biology and chemistry behind how and why these materials are engineered to be both biodegradable and, through the process of depolymerization, fully recyclable. Chapters cover Re-evaluating the Sources, Redefining the Analytics, Reformulating Polyester Polyurethanes, and The Future. The latter part of the book describes the landscape of bio-based materials, the eco-consumer, and insights into the industry problem of “greenwashing. This book is a valuable resource for industry professionals who use polyurethanes in the supply chain for manufactured products, those in sales and marketing or regulatory roles who wish to better understand the unique advantages of bio-based materials, and researchers studying R&D of biobased polyurethanes or remediation of microplastics pollution on land and in bodies of fresh and saltwater worldwide. Builds on the foundation of sustainable, renewable, biodegradable, recyclable microplastics, with lifecycle assessment, techno-economic analysis, and the green premium Clarifies the true economics—if we were to go back to initial development of the plastics industry, what would we do differently? Covers the basic science—the knowledge required to effectively communicate the use of materials that are on first examination more expensive, but on closer examination less expensive when environmental consequences are factored


Sugarcane-based Biofuels and Bioproducts

Sugarcane-based Biofuels and Bioproducts
Author: Ian O'Hara
Publisher: John Wiley & Sons
Total Pages: 406
Release: 2016-05-16
Genre: Technology & Engineering
ISBN: 1118719913

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Sugarcane has garnered much interest for its potential as a viable renewable energy crop. While the use of sugar juice for ethanol production has been in practice for years, a new focus on using the fibrous co-product known as bagasse for producing renewable fuels and bio-based chemicals is growing in interest. The success of these efforts, and the development of new varieties of energy canes, could greatly increase the use of sugarcane and sugarcane biomass for fuels while enhancing industry sustainability and competitiveness. Sugarcane-Based Biofuels and Bioproducts examines the development of a suite of established and developing biofuels and other renewable products derived from sugarcane and sugarcane-based co-products, such as bagasse. Chapters provide broad-ranging coverage of sugarcane biology, biotechnological advances, and breakthroughs in production and processing techniques. This text brings together essential information regarding the development and utilization of new fuels and bioproducts derived from sugarcane. Authored by experts in the field, Sugarcane-Based Biofuels and Bioproducts is an invaluable resource for researchers studying biofuels, sugarcane, and plant biotechnology as well as sugar and biofuels industry personnel.


Sustainability in the Textile and Apparel Industries

Sustainability in the Textile and Apparel Industries
Author: Subramanian Senthilkannan Muthu
Publisher: Springer Nature
Total Pages: 200
Release: 2020-03-31
Genre: Science
ISBN: 3030380130

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This book is part of a five-volume set that explores sustainability in textile industry practices globally. Case studies are provided that cover the theoretical and practical implications of sustainable textile issues, including environmental footprints of textile manufacturing, consumer behavior, eco-design in clothing and apparels, supply chain sustainability, the chemistry of textile manufacturing, waste management and textile economics. The set will be of interest to researchers, engineers, industrialists, R&D managers and students working in textile chemistry, economics, materials science, and sustainable consumption and production. This volume explores some alternative synthetic raw materials resulting from the recycling and regeneration of renewable textile fibers, and how these sustainable green-based composites can contribute to improved ecological and human health. The book offers insights into the impacts of human-made fibers and microfiber pollution, and how biodegradable material sourcing can help to curb harmful environmental impacts from these practices and achieve clothing and apparel sustainability.


Polyurethane Chemistry

Polyurethane Chemistry
Author: Ram K. Gupta
Publisher:
Total Pages:
Release: 2021
Genre: Polyurethanes
ISBN: 9780841298408

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"This book is about Polyurethane Chemistry: Renewable Polyols and Isocyanates"--


Biobased Monomers, Polymers, and Materials

Biobased Monomers, Polymers, and Materials
Author: Patrick B. Smith
Publisher: OUP USA
Total Pages: 0
Release: 2013-03-14
Genre: Science
ISBN: 9780841227675

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This ACS Symposium Series is the product of a symposium held at the 241st National Meeting of the American Chemical Society. 2011. It includes chapters on new biobased building blocks such as the furandicarboxylic acid, polyesters and polyamides from adipic, succinic and sebacic acids with aliphatic diols such as 1,3-propylene glycol, 1,4-butanediol, 1,12-dodecylenediol and isosorbide.