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polyurea-based coatings

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Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006047
EISBN: 978-1-62708-172-6
... practices of polyurea coating/lining systems. injection molding performance issues polymers polyurea polyurea-based coatings safety practices POLYUREA ELASTOMER COATING/LINING TECHNOLOGY has made some very significant advances since the introduction of the technology in the late 1980s...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006036
EISBN: 978-1-62708-172-6
... polyurea because it is the reaction of an aliphatic polyisocyanate with an aliphatic diamine—the polyaspartic ester. However, polyaspartic coatings are very different in both application and coating performance properties from conventional polyureas. For example, polyaspartics allow the formulator...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003692
EISBN: 978-1-62708-182-5
... autooxidative cross-linked resins thermoplastic resins cross-linked thermosetting resins alkyd resins epoxy esters lacquers water-borne coatings epoxies unsaturated polyesters urethane coatings high-temperature curing silicones phenolic linings organic coatings polyurea coatings PAINTS...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006335
EISBN: 978-1-62708-179-5
... will adhere to the casting. There are various types of organic and inorganic coatings and methods of application. Inorganic finishes—including metal- and ceramic-based coatings—are applied by a variety of techniques, such as electroplating, electroless plating, thermal spraying, hot dipping, ion plating...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006014
EISBN: 978-1-62708-172-6
... coatings. Examples of thermosetting coatings are two-part epoxies, polyurethanes, polyureas, polyesters, polysiloxanes, and many organic zinc coatings. A coating system for steel in a mild environment may consist of power tool cleaning (SSPC-SP 3) or brush-off blast cleaning (SSPC-SP 7) and application...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006059
EISBN: 978-1-62708-172-6
... thermoplastic linings such as PVC or HDPE. In addition, liquid-applied linings, such as some blended amine-cured epoxies, aromatic polyurethanes, vinyl-ester-based coatings, and some aliphatic polyurethanes and polyurea formulations, have proven to be effective under these headspace conditions. The more...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006040
EISBN: 978-1-62708-172-6
... tanks are sometimes lined on the water side to reduce or stop leakage. This typically involves the use of either fabric- (glass cloth or scrim cloth) reinforced coatings or thick-film elastomeric systems, such as asphalt-modified polyurethane, flexible polyurethane, or polyurea coatings. Cracks caused...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006011
EISBN: 978-1-62708-172-6
... of polyurethane coatings include polyester, polyacrylate (acrylic), and polyether polyols. Isocyanate reactions with water and amines to form polyureas also have an important role in anticorrosion coatings. Single-component polyurethane coatings (i.e., moisture cured) are based on the reaction with water to form...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006037
EISBN: 978-1-62708-172-6
... generate hydroxyl (OH) groups. Courtesy of Loyd Burcham, Stonhard Fig. 16 Epoxy chemistry. Three common epoxy resins: diglycidyl ether of bisphenol A, diglycidyl ether of bisphenol F, and novolac. Courtesy of Loyd Burcham, Stonhard Polyurethanes and polyureas can be formulated with a range...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006050
EISBN: 978-1-62708-172-6
.... Polyureas are thick-film products applied by plural-component spray that cure quickly for rapid return to service. They also have excellent chemical resistance. This is the same technology used for truck bed liners. Polyaspartic coatings are a variation of polyureas that are applied by standard spray...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006010
EISBN: 978-1-62708-172-6
... Application for Polyureas and High-Solid Coatings Protective Coatings Inspector Program Protective Coatings Specialist Program Spray Application Basics Water-Jetting Program As of January 1, 2013, SSPC, as part of the QP 1 program, established requirements for certification of applicators...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006005
EISBN: 978-1-62708-172-6
... References 1. Primeaux D. , Polyurea-Based Coatings , Protective Organic Coatings , Vol 5B , ASM Handbook , ASM International , 2015 2. “How to Draw Organic Molecules,” IvyRose Holistic , www.ivy-rose.co.uk/Chemistry/Organic/How-to-draw-organic-molecules.php Selected References...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006051
EISBN: 978-1-62708-172-6
.... The isocyanate can be combined with other generic materials to enhance chemical, moisture, low-temperature, and abrasion resistance. Aromatic urethanes are typically used as primers, adhesion promoters, and intermediate coats. Polyureas Fast- to very-fast-curing, highly elastic thick-film coatings with good...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006492
EISBN: 978-1-62708-207-5
... from that for other metals. Historically, conversion coatings have been based on hexavalent chromium present as chromates or Cr 6+ phosphates. Due to worker health and safety concerns, alternatives including trivalent chromium and chromium-free conversion coatings are being developed...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006070
EISBN: 978-1-62708-172-6
... Sampling Protocols and Acceptance Criteria” The appendixes include the following: Appendix A: “Area-Based Sampling Protocol and Testing” Appendix B: “Preparing a Specification” Appendix C: “Example Lining Specification” Research Regarding Tolerable Levels of Salts beneath Coatings...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003474
EISBN: 978-1-62708-195-5
... and structural RRIM materials—commercial polyurethane and polyurea resins—are given in Table 4 . Typical properties of reinforced reaction injection molding materials Table 4 Typical properties of reinforced reaction injection molding materials Type Specific gravity Glass, wt% Resin, wt% Tensile...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006072
EISBN: 978-1-62708-172-6
... √ … … Inorganic zinc-rich primer/polysiloxane √ … … Organic zinc-rich primer/polyamide epoxy/acrylic polyurethane or polyaspartic √ √ … Organic zinc-rich primer/polyamide epoxy/polysiloxane √ … … Organic zinc-rich primer/polyamide epoxy/fluoropolymer √ √ … Organic zinc-rich primer/polyurea...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002464
EISBN: 978-1-62708-194-8
... not permit dissolution in solvents. Thermoset systems, such as unsaturated polyester, epoxy, thermoset polyurethanes, polyureas, phenol formaldehyde, and melamine formaldehyde, are shaped and cross-linked during processing. Representative structures are shown in Table 8 . Representative structures...