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Author: Tomasz Krystofiak Publisher: ISBN: Category : Electronic books Languages : en Pages : 0
Book Description
Surface treatment with plasma, corona, or air and the use of adhesion promoters (primers) are methods that can be used to improve the gluability of various materials. Adhesion promoters based on organosilicone compounds from the solventborne and waterborne catalyzed by isocyanates were used in the study. Dispersions and hot melt adhesives based on various thermoplastic polymers were used. Rheological properties and surface-free energy as well as dispersion and polar shares in substrate-adhesion promoter systems were evaluated. The strength and resistance of glue lines were determined. The tested primers and adhesives were classified as rheostable liquids, diluted in shear, not showing the flow limit. Covering of the surfaces of PVC foils and ABS, PS, PVC edges with primers caused increase in surface-free energy, especially polar share. Significant improvement of strength and resistance of glue-lines was observed (100% delamination in the substrate).
Author: Tomasz Krystofiak Publisher: ISBN: Category : Electronic books Languages : en Pages : 0
Book Description
Surface treatment with plasma, corona, or air and the use of adhesion promoters (primers) are methods that can be used to improve the gluability of various materials. Adhesion promoters based on organosilicone compounds from the solventborne and waterborne catalyzed by isocyanates were used in the study. Dispersions and hot melt adhesives based on various thermoplastic polymers were used. Rheological properties and surface-free energy as well as dispersion and polar shares in substrate-adhesion promoter systems were evaluated. The strength and resistance of glue lines were determined. The tested primers and adhesives were classified as rheostable liquids, diluted in shear, not showing the flow limit. Covering of the surfaces of PVC foils and ABS, PS, PVC edges with primers caused increase in surface-free energy, especially polar share. Significant improvement of strength and resistance of glue-lines was observed (100% delamination in the substrate).
Author: George Wypych Publisher: Elsevier ISBN: 1774670194 Category : Technology & Engineering Languages : en Pages : 329
Book Description
Handbook of Adhesion Promoters, Second Edition outlines known mechanisms, principles of use, and the applications of different groups of adhesion promoters, along with a discussion of the mechanisms that cause adhesion loss, such as corrosion, delamination, detachment, liquid penetration and peeling. Surface condition and treatment are also discussed, including different methods (cleaning, mechanical, plasma, microwave, flame, corona discharge, laser, UV, and chemical modification) for practical applications. Formulation of typical primers used in the application of adhesives, sealants, coatings, coil coatings, cosmetics, metal, optical devices, polymers and plastics are covered, with over 50 primer formulations provided. In addition, a full chapter is dedicated to the subject of polymer modification for improved adhesion, a method frequently used instead of the addition of adhesion promoters. The book's final chapters contain information on available evaluation and selection of adhesion promoters that work with different polymers (29), products (28), and those that help to prevent corrosion. Provides detailed, essential data on adhesion promoters, including additives that are both widely used and recently introduced Covers critical aspects involved in the application of adhesion promoters Discusses mechanisms that result in adhesion loss, primer formulation, polymer modification for improved adhesion, and surface treatment methods Supports readers in the selection of adhesion promoters, including detailed information on adhesion promoter properties, applications and their potential
Author: Jan W. Gooch Publisher: Springer Science & Business Media ISBN: 1441962468 Category : Science Languages : en Pages : 1048
Book Description
This reference, in its second edition, contains more than 7,500 polymeric material terms, including the names of chemicals, processes, formulae, and analytical methods that are used frequently in the polymer and engineering fields. In view of the evolving partnership between physical and life sciences, this title includes an appendix of biochemical and microbiological terms (thus offering previously unpublished material, distinct from all competitors.) Each succinct entry offers a broadly accessible definition as well as cross-references to related terms. Where appropriate to enhance clarity further, the volume's definitions may also offer equations, chemical structures, and other figures. The new interactive software facilitates easy access to a large database of chemical structures (2D/3D-view), audio files for pronunciation, polymer science equations and many more.
Author: A. Gardziella Publisher: Springer Science & Business Media ISBN: 9783540655176 Category : Science Languages : en Pages : 602
Book Description
The salient and versatile features of phenolic resins provide favorable comparisons between them and other thermosetting resins as well as thermoplastic products: thermal behavior; high strength level; long term thermal and mechanical stability; fire, smoke and low toxicity characteristics; electrical and thermal insulating capabilities; cost performance characteristics. The technical content of the book describes significant new phenolic resin chemistry, transformations and recent mechanistic pathways of resole and novolak cure. A vastly expanded treatment of selected application areas consists of wood composites, insulation/textile felts, molding compounds, paper/fabric impregnation, foundry, abrasives, friction and refractory. New applications with up-to-date developments include high performance and advanced composites, imaging/photoresist and carbon/graphite areas. Also included in detail: Standardized test methods important for ISO 9001 ff certification.
Author: Michael Szycher, Ph.D Publisher: CRC Press ISBN: 1439839581 Category : Technology & Engineering Languages : en Pages : 1147
Book Description
A practical handbook rather than merely a chemistry reference, Szycher's Handbook of Polyurethanes, Second Edition offers an easy-to-follow compilation of crucial new information on polyurethane technology, which is irreplaceable in a wide range of applications. This new edition of a bestseller is an invaluable reference for technologists, marketers, suppliers, and academicians who require cutting-edge, commercially valuable data on the most advanced uses for polyurethane, one of the most important and complex specialty polymers. internationally recognized expert Dr. Michael Szycher updates his bestselling industry "bible" With seven entirely new chapters and five that are revised and updated, this book summarizes vital contents from U.S. patent literature—one of the most comprehensive sources of up-to-date technical information. These patents illustrate the most useful technology discovered by corporations, universities, and independent inventors. Because of the wealth of information they contain, this handbook features many full-text patents, which are carefully selected to best illustrate the complex principles involved in polyurethane chemistry and technology. Features of this landmark reference include: Hundreds of practical formulations Discussion of the polyurethane history, key terms, and commercial importance An in-depth survey of patent literature Useful stoichiometric calculations The latest "green" chemistry applications A complete assessment of medical-grade polyurethane technology Not biased toward any one supplier’s expertise, this special reference uses a simplified language and layout and provides extensive study questions after each chapter. It presents rich technical and historical descriptions of all major polyurethanes and updated sections on medical and biological applications. These features help readers better understand developmental, chemical, application, and commercial aspects of the subject.
Author: Tomasz Krystofiak
Author: Tomasz Krystofiak
Author: George Wypych
Author: Jan W. Gooch
Author: A. Gardziella
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Author: 
Author: 
Author: Michael Szycher, Ph.D
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Author: Unesco