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Nano Technology Pipe Coating

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Hybrid Nano-composite coatings are a high toughness, durable Nano-composite coating that is molecularly bonded to the surface of steel. The coating combines the properties and reliability of ...

Hybrid Nano-composite coatings are a high toughness, durable Nano-composite coating that is molecularly bonded to the surface of steel. The coating combines the properties and reliability of extremely tough, durable, and corrosion resistant engineering thermoplastics, with the abrasion resistance and durability of glass-ceramics. Using proprietary chemistries, this hybrid Nano-composite is applied and molecularly bonded to the surface of steel, forming a permanent, durable, abrasion and corrosion resistant coating.

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Nano Technology Pipe Coating Nano Technology Pipe Coating Presentation Transcript

  • Hybrid Nano-CompositeHybrid Nano-Composite Polymer CoatingsPolymer Coatings High temperature corrosion andHigh temperature corrosion and abrasion resistant coatingsabrasion resistant coatings
  • Inorganic-organic hybridInorganic-organic hybrid nanocomposites (HyNC)nanocomposites (HyNC) • Inorganic-Organic high temperature coatingsInorganic-Organic high temperature coatings – Acid-resistant <250C curable coatings for productionAcid-resistant <250C curable coatings for production tubing and drillpipetubing and drillpipe • PPSU hybrid coatings containing inorganicPPSU hybrid coatings containing inorganic adhesives/hardenersadhesives/hardeners • Based on high temperature aerospace structural adhesivesBased on high temperature aerospace structural adhesives • Initial development and thermal cure (250C) demonstratedInitial development and thermal cure (250C) demonstrated through feasibility and acid/saltwater resistancethrough feasibility and acid/saltwater resistance
  • HyNC formulation and application processHyNC formulation and application process • Formulation developed, compliant with low VOCFormulation developed, compliant with low VOC regulations (#’s/gallon VOC’s). Does use solvents forregulations (#’s/gallon VOC’s). Does use solvents for mixing and viscosity controlmixing and viscosity control • Contains inhibitors, stabilizers, nano-additives, PPSU,Contains inhibitors, stabilizers, nano-additives, PPSU, and proprietary themosetting and thermally curableand proprietary themosetting and thermally curable inorganic monomerinorganic monomer • Applied as liquid and dried using hot airApplied as liquid and dried using hot air • Thermally cured at 240-250C in under 10 minutesThermally cured at 240-250C in under 10 minutes • Stable to at least 250 C. Flexible, non-shrinking,Stable to at least 250 C. Flexible, non-shrinking, extremely toughextremely tough • Adhesion, mechanical, and abrasion resistance all aAdhesion, mechanical, and abrasion resistance all a function of inorganic content. Ductility/resiliency afunction of inorganic content. Ductility/resiliency a function of PPSU (polymer) thermoplastic contentfunction of PPSU (polymer) thermoplastic content
  • Hybrid Nanocomposite (HyNC)Hybrid Nanocomposite (HyNC) coatingscoatings • Feasibility issues were adhering HyNC to steel at 250C or less to match P110 substrate limitations • Approach was develop thermally curable Hybrid Nanocomposite coating as a higher temperature, more abrasion resistant analog to epoxy-siloxane and phenol-resol coatings used in current systems • Formulation trials conducted with about 20 different modifications • Shown here is a 3”x6”x1/4” thick steel plate with a layer of the downselected adhesive/corrosion layer system coating applied, dried and cured.
  • AdhesionAdhesion • Adhesion greater than 3500Adhesion greater than 3500 psigpsig • Failure in epoxy glue, notFailure in epoxy glue, not coating.coating. • Have identified techniques toHave identified techniques to make adhesion covalentmake adhesion covalent bonding- costly but doable.bonding- costly but doable. • Hardness can be manipulated-Hardness can be manipulated- hard as glass to pliable andhard as glass to pliable and tough.tough.
  • Coating applicationCoating application • Applied by blade casting on rotating pipe fromApplied by blade casting on rotating pipe from liquid slurry- meets VoC paint requirements.liquid slurry- meets VoC paint requirements. – Can also be sprayed, but non-VOC compliantCan also be sprayed, but non-VOC compliant • Thermally/IR-curedThermally/IR-cured • 10-25 micron coating per pass10-25 micron coating per pass • Passed 1000 hour, 400F 1000PSIG salt waterPassed 1000 hour, 400F 1000PSIG salt water exposure, no delamination or red rustexposure, no delamination or red rust • Inert to acids to 400FInert to acids to 400F 6
  • Coating applicationCoating application • Applied by blade casting on rotating pipe fromApplied by blade casting on rotating pipe from liquid slurry- meets VoC paint requirements.liquid slurry- meets VoC paint requirements. – Can also be sprayed, but non-VOC compliantCan also be sprayed, but non-VOC compliant • Thermally/IR-curedThermally/IR-cured • 10-25 micron coating per pass10-25 micron coating per pass • Passed 1000 hour, 400F 1000PSIG salt waterPassed 1000 hour, 400F 1000PSIG salt water exposure, no delamination or red rustexposure, no delamination or red rust • Inert to acids to 400FInert to acids to 400F 6