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Latex And Synthetic Polymer Dispersions 2013
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Book Synopsis Latex and Synthetic Polymer Dispersions 2013 by : Smithers Rapra
Download or read book Latex and Synthetic Polymer Dispersions 2013 written by Smithers Rapra and published by Smithers Rapra. This book was released on 2013-11-13 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 8th Smithers Rapra conference on Latex and Synthetic Polymer Dispersions gave a very broad picture of the industry. These proceedings cover all the presentations from the two day event which included: The scientific principles underlying latex dipping were described by Professor C. C. Ho, and Dr, Aik Hwee Eng of Ansell spoke about a modern result of dipping - the antimicrobial glove. Very interesting observations about the allergenic potential of synthetic latex gloves compared to those dipped from natural rubber were made by Hardi Tamm of Korymbos. The use of gamma radiation from the very start of the process, as a means of prevulcanization, to the end of the production process, in sterilization, was described by Dr. Rosamma Alex of the Rubber Research Institute of India and Eric Beers of Nordion respectively. The versatility of natural latex was demonstrated in a paper by Dr. Azura of Universiti Sains Malaysia, who showed us how it can be used for the cleaning of compression moulds. Innovative polymer synthesis in the manufacture of latex dispersions was presented by Dr. Joachim Storsberg of the Fraunhofer Institute, and Dr. Soeren Butz of Synthomer told how more clever chemistry could be used to "e;tailor-make"e; pressure sensitive adhesives. The environmental side of the industry was not forgotten, with two presentations from the Malaysian Rubber Board - Muhammad D Syraarani describing an environmentally friendly method for the analysis of magnesium in latex and Dr. Devaraj Veerasamy presenting the use of ultrafiltration to process latex. In a similar vein, Prof. Khairah Haji Badri, of the Universiti Tun Abdul Rahman showed how natural resources such as palm oil can be used to create useful polymers. David Hill of David Hill and Associates described how to carry out Process Validation of dipped condoms and gloves, and the delegates were told how the newest latex for dipping - synthetic polyiosprene - compares with the oldest - natural rubber - by Dr. Bert Krutzer of Kraton. The conference ended with Dr. Siby Varghese of the Rubber Research Institute of India, and Prof. Sabu Thomas of the Mahatma Gandhi University describing recent advances and applications in the field of nanotechnology.
Book Synopsis Latex and Synthetic Polymer Dispersions 2010 by :
Download or read book Latex and Synthetic Polymer Dispersions 2010 written by and published by Smithers Rapra Technology. This book was released on 2010-03 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: iSmithers' sixth international conference for the latex and emulsion industry was held in Amsterdam in March 2010. From carpets to condoms the conference provided an essential update on the latest trends and developments in natural latex, aqueous synthetic polymer latices, processing chemicals and additives, latex-based products and relevant legislation. Natural and synthetic polymer latices are still at the heart of a wide range of applications. Traditionally dominated by disposable gloves for medical applications, the market has seen marked changes in recent years, driven chiefly by the emerging economies of China and India. Legislation governing the use of volatile solvents has further opened up the sector with water-based dispersions and latices now used as substitutes for solvent-based systems such as adhesives, sealants and coatings. But there are challenges ahead. The perennial quest for zero allergy elastomers will remain a key focus for the industry, as will the need to find cost effective alternatives to natural latex, particularly in the face of rising oil prices. This conference provided a forum to discuss the latest market, technology and materials news. Topics addressed included new materials, machinery and equipment developments, application methods, latex-based products, standards & regulatory requirements, materials testing, quality control and market trends.
Book Synopsis Latex and Synthetic Polymer Dispersions 2008 by :
Download or read book Latex and Synthetic Polymer Dispersions 2008 written by and published by Smithers Rapra Technology. This book was released on 2008 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: Drawing authorities from industry and academia, this conference offered the ideal platform to hear original technical papers and meet and exchange ideas with like-minded peers from across the world. Now in its fifth year the conference provided crucial updates on the latest trends and developments in natural latex, aqueous synthetic polymer latices, processing chemicals and additives. Topics addressed included new materials, machinery and equipment developments, application methods, standards & regulatory requirements, materials testing, quality control and market trends. More specifically, papers provided insight into many key developments and solutions to the key issues of the latex sector. These included: - Novel methods of reducing protein levels in natural rubber - Accelerators and cross-linking agents potentially offering improved toxicological performance - Development of new synthetic latices with modified characteristics - Latest developments in the field of nanoscience achieved by combining different polymers and inorganic materials and their practical applications - Increasing application of aqueous systems in the adhesive industry
Book Synopsis Emulsion Polymerisation and Latex Applications by : Christopher D. Anderson
Download or read book Emulsion Polymerisation and Latex Applications written by Christopher D. Anderson and published by iSmithers Rapra Publishing. This book was released on 2003 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: The term latex covers emulsion polymers, polymer dispersions and polymer colloids. This review report provides a general overview of the emulsion polymerisation processes and explains how the resulting latices are used in industrial applications. The classes of emulsion polymers are surveyed and the commercial technologies and potential future uses discussed. An additional indexed section containing several hundred abstracts from the Polymer Library gives useful references for further reading.
Book Synopsis Latex and Synthetic Polymer Dispersions 2012 Conference Proceedings by :
Download or read book Latex and Synthetic Polymer Dispersions 2012 Conference Proceedings written by and published by Smithers Rapra Technology. This book was released on 2012-03 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The iSmithers and Smithers RAPRA's seventh international Latex & Synthetic Polymer Dispersions conference is held in Kuala Lumpur in 2012. This conference provides a unique opportunity to join fellow leaders in the field of latex, polymer dispersions, emulsion polymerisation and allied companies.
Book Synopsis 6th International Conference, Latex & Synthetic Polymer Dispersions 2010, Amsterdam, the Netherlands, 23-24 March 2010 by :
Download or read book 6th International Conference, Latex & Synthetic Polymer Dispersions 2010, Amsterdam, the Netherlands, 23-24 March 2010 written by and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hybrid Latex Particles by : Alex M. van Herk
Download or read book Hybrid Latex Particles written by Alex M. van Herk and published by Springer. This book was released on 2010-10-15 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: Historical Overview of (Mini)emulsion Polymerizations and Preparation of Hybrid Latex Particles, by A.M. van Herk; * Physical Methods for the Preparation of Hybrid Nanocomposite Polymer Latex Particles, by R. F.A. Teixeira and S. A.F. Bon; * Organic/Inorganic Composite Latexes: The Marriage of Emulsion Polymerization and Inorganic Chemistry, by Elodie Bourgeat-Lami and Muriel Lansalot; * Preparation of Hybrid Latex Particles and Core–Shell Particles Through the Use of Controlled Radical Polymerization Techniques in Aqueous Media, by Bernadette Charleux, Franck D’Agosto, and Guillaume Delaittre; * Miniemulsion Polymerization as a Means to Encapsulate Organic and Inorganic Materials, by Clemens K.Weiss and Katharina Landfester; * Organic–Inorganic Hybrid Magnetic Latex, by Md Mahbubor Rahman and Abdelhamid Elaissari
Book Synopsis Light Scattering Studies of Synthetic Polymer Latex Systems by : Thomas P. Wallace
Download or read book Light Scattering Studies of Synthetic Polymer Latex Systems written by Thomas P. Wallace and published by . This book was released on 1967 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fundamentals of Latex Film Formation by : Joseph Keddie
Download or read book Fundamentals of Latex Film Formation written by Joseph Keddie and published by Springer Science & Business Media. This book was released on 2010-02-18 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book has emerged out of our long-time research interests on the topic of latex film formation. Over the years we have built up a repertoire of slides used in conference presentations, short courses and tutorials on the topic. The story presented in this book has thereby taken shape as it has been told and re-told to a mix of academic and industrial audiences. The book presents a wide body of work accumulated by the polymer colloids community over the past five decades, but the selection of examples has been flavoured by our particular experimental interests and development of mathematical models. We intend the book to be a starting point for academic and industrial scientists beginning research on latex film formation. The emphasis is on fundam- tal mechanisms, however, and not on applications nor on specific effects of formu- tions. We hope that the book consolidates the understanding that has been achieved to-date in the literature in a more comprehensive way than is possible in a review article. We trust that the reader will appreciate the fascination of the topic.
Book Synopsis Practical Guide to Latex Technology by : Rani Joseph
Download or read book Practical Guide to Latex Technology written by Rani Joseph and published by Smithers Rapra Technology. This book was released on 2013-01-01 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt: Latex-based technology forms a sizable fraction of natural and synthetic rubber technology and an introduction to the important technologies is beneficial to all practicing technical personnel. This book offers a condensed practical guidance on the technologies used for the production of important latex products. The book begins with a short history of natural rubber latex, formation in the tree and the tapping, storage and conversion of latex to marketable forms. It discusses preservation and concentration of natural rubber latex and the most widely used latex compounding ingredients. Dipping.
Book Synopsis Natural and Synthetic Latex Polymers Market Report by : Richard H. D. Beswick
Download or read book Natural and Synthetic Latex Polymers Market Report written by Richard H. D. Beswick and published by Smart Publications. This book was released on 2002-01-01 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: This latex market report gives a comprehensive introduction to both natural and synthetic polymers in one volume. The range of applications of latex is extensive. Polymer latices are used in paints and coatings, textiles, non-wovens, packaging, construction (mainly in adhesives and binders), furniture, packaging, paper (e.g., coatings), medical equipment, personal protective equipment, carpet backing, adhesives, polish, belts, seals, etc. The report provides an excellent, clear overview of the whole of the latex industry from production and manufacturing methods to market applications, new technology and potential for growth.
Book Synopsis Advances in Polymer Latex Technology by : Vikas Mittal
Download or read book Advances in Polymer Latex Technology written by Vikas Mittal and published by . This book was released on 2009 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The polymer latex technology by emulsion polymerisation offers significant advantages as compared to bulk and solution polymerisation technologies owing to the better control of heat and viscosity of the medium along with the possibility of increasing the molecular weight of the polymer chains without affecting the rate of polymerisation. These emulsion polymerisation methods have undergone significant advances in the recent years and now a days, synthesis of structured latexes with well defined morphologies and properties has been possible. The development of miniemulsion polymerisation has helped to polymerise very hydrophobic and very hydrophilic monomers, which otherwise are difficult to be polymerised with the conventional emulsion polymerisation. The combination of controlled living polymerisation methods like nitroxide mediated polymerisation, atom transfer radical polymerisation as well as reversible addition fragmentation chain transfer with the emulsion and miniemulsion polymerisation methods has resulted into the synthesis of functional block copolymer chains, graft copolymer chains and star or multi arm copolymer chains in the polymer particles. Apart from that, specific surface modifications on the surface of the emulsion particles have been achieved which have expended the area of application of such polymer particles. The kinetics and mechanism of particle generation with the living polymerisation in emulsion and miniemulsion are very complex, however, the recent advances have helped to understand these systems more clearly, thus, allowing to steer them to the advantage. Therefore, these recent advances in the latex technology need to be brought into a cumulative text in order to provide insight into the various possibilities of achieving the optimum latexes.
Book Synopsis Chemistry and Technology of Emulsion Polymerisation by : A. M. van Herk
Download or read book Chemistry and Technology of Emulsion Polymerisation written by A. M. van Herk and published by John Wiley & Sons. This book was released on 2013-05-13 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chemistry and Technology of Emulsion Polymerisation 2e provides a practical and intuitive explanation of emulsion polymerization, in combination with both conventional and controlled radical polymerization. For those working in industry, coupling theory with everyday practice can be difficult. By carefully explaining the principles of the reaction, based on well-designed experimental investigation, the book explains how the principles relate to practical application. The second edition of this book includes a new chapter on morphology of latex particles, a rapidly progressing area where modelling the thermodynamic and kinetic aspects of phase separation and morphology has developed into a mature and powerful tool to predict and control morphology of latex particles. Another area that is rapidly progressing is the application of controlled radical polymerisation in emulsion polymerization. Controlled radical polymerisation is used in aiding encapsulation of inorganic particles like pigment particles and clay platelets. These latest developments are included in the second edition.
Book Synopsis Liquid Structure Formation in Concentrated Latex Dispersions by : Ernst A. Nieuwenhuis
Download or read book Liquid Structure Formation in Concentrated Latex Dispersions written by Ernst A. Nieuwenhuis and published by . This book was released on 1980 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Polymer Latexes by : Eric S. Daniels
Download or read book Polymer Latexes written by Eric S. Daniels and published by . This book was released on 1992 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hybrid Latex Particles by : Alex M. van Herk
Download or read book Hybrid Latex Particles written by Alex M. van Herk and published by Springer. This book was released on 2010-12-02 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: Historical Overview of (Mini)emulsion Polymerizations and Preparation of Hybrid Latex Particles, by A.M. van Herk; * Physical Methods for the Preparation of Hybrid Nanocomposite Polymer Latex Particles, by R. F.A. Teixeira and S. A.F. Bon; * Organic/Inorganic Composite Latexes: The Marriage of Emulsion Polymerization and Inorganic Chemistry, by Elodie Bourgeat-Lami and Muriel Lansalot; * Preparation of Hybrid Latex Particles and Core–Shell Particles Through the Use of Controlled Radical Polymerization Techniques in Aqueous Media, by Bernadette Charleux, Franck D’Agosto, and Guillaume Delaittre; * Miniemulsion Polymerization as a Means to Encapsulate Organic and Inorganic Materials, by Clemens K.Weiss and Katharina Landfester; * Organic–Inorganic Hybrid Magnetic Latex, by Md Mahbubor Rahman and Abdelhamid Elaissari
Book Synopsis The Incorporation of Vinyl Modified Regenerated Starch Nanoparticles in Emulsion Polymerizations by : Shidan Cummings
Download or read book The Incorporation of Vinyl Modified Regenerated Starch Nanoparticles in Emulsion Polymerizations written by Shidan Cummings and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The replacement of synthetic polymers with renewable content in emulsion polymerization latexes has been a focus of research over the past several decades. Emulsion polymerization is a more sustainable way to produce polymers for films and resins. Starch is a sustainably sourced material that has proven to be extremely useful as a filler, comonomer, and property modifier for polymer latexes. In this thesis, we attempt to incorporate high levels of starch materials into emulsion latex using waxy and dent sourced (cheaper) vinyl-functionalized regenerated starch nanoparticles (RSNPs). When fed as a batch charge, incorporation (by reaction as opposed to blending) of a grade of waxy RSNPs with 3 wt.% polymerizable sugar-based monomer (PSBM) and medium hydrophobicity (S-3-M) into the polymer matrix was 0-10 wt.% for a 15 wt.% RSNP loaded, 40 wt.% solids latex. Semi-batch feeding of the S-3-M RSNPs resulted in stable latex with the highest loadings of 40 and 50 wt.% (40 wt.% solids) with 0-10 wt.% RSNP incorporation into the synthetic particles, while 40 wt.% loading (20 wt.% incorporation) was achieved with a grade of waxy RSNPs with 6 wt.% PSBM and medium hydrophobicity (S-6-M). Strategies were developed to prepare synthetic latexes with high RSNP loadings and moderate incorporation. Dent sourced RSNPs proved difficult to use in emulsion formulations due in part to the higher percentage of water-soluble linear amylose in the nanoparticles. To reduce the chances of coagulation and minimize the viscosity of the final latex it was important to ensure monomer starved conditions, that the only initiator feed occurred at the seed stage of the reaction (to degrade the soluble starch and prevent later stage coagulation), and that a hydrophobic tie-layer was used to assist in removal of soluble starch from the water phase. Although a successful procedure was devised for creating a dent sourced RSNP loaded latex with a viscosity of 250 cp, it was significantly longer than the procedures used with waxy RSNPs (6 h polymerization + 1 h RSNP dispersion). An additional treatment of the RSNP dispersion prior to the polymerization can lower the final latex viscosity to 100 cp. Higher incorporation of vinyl-functionalized RSNPs may be achievable if the covalently bonded PSBM functional groups are resistant to hydrolysis, the amylose and other small MW starches are completely removed from the water phase, and monomers with more appropriate reactivity and hydrophobicity are employed. To this end, maleic and methacrylic anhydride modified RSNPs were prepared and tested in emulsion polymerizations. The maleic anhydride modified RSNPs were successfully loaded into an emulsion latex at 15 wt.% (40 wt.% solids content) resulting in 20-30 wt.% incorporation when utilizing 2-ethylhexyl acrylate as the tie-layer monomer with 2-ethylhexyl acrylate or butyl acrylate/methyl methacrylate/acrylic acid as the shell layer. This work presents the only comprehensive attempt to incorporate RSNPs into synthetic latexes at high loadings and solids with persulfate initiation without the need to severely reduce the RSNP molecular weight. The learning generated provides a framework for continuing research into increasing the incorporation of RSNPs into polymer particles.
