requests-for-proposal

Next-Generation Polymeric Coatings for Steel Rebar in Extreme Environments

Request Number REQ7293739
Due Date September 30, 2015
Author Nick Kacsandi
Request for Proposal Details
RFP Title
Next-Generation Polymeric Coatings for Steel Rebar in Extreme Environments
RFP Description

NineSigma, representing a Global Leader in Construction Products, invites proposals for ductile polymeric or hybrid coating systems that can offer high durability and adhesion under extreme environmental conditions. Solution providers from across the spectrum of industry, academia and research with the ability to support long-term partnerships with industry are invited to respond.

Background

For decades, steel has been utilized to provide reliable structural support and stability without corrosion or loss of efficiency. Stainless steel can achieve this level of performance, but the high relative cost over alloy steel is often prohibitive. Innovations in coating and surface preparations (polymeric coatings and galvanized treatments) are therefore required to impart steel alloy with the necessary resistance to corrosion, abrasion and other environmental impacts.

 

Traditionally, flexibility is limited in coated, textured steel. Too much distortion can cause perforation of the coating, pooling or thinning of the coating at bend points, and general loss of integrity due to manipulation. The RFP sponsor seeks potential solutions that can expand upon their current approaches by enhancing the ductility and extensibility of the steel coating in the end application. Novel polymeric solutions must be adaptable to extreme environmental conditions and thermal variances in order to provide long-term abrasion resistance, superior adhesion and chemical / UV stabilities without loss of structural integrity. The ultimate goal is to develop a protective polymer coating that encompasses next generation properties to revolutionize the current market place while improving upon application restrictions.

 

Anticipated commercial volumes for a successful solution are double the current volume of approximately 200 metric tonnes per annum. This new technology will potentially revolutionize the market industry and anticipated commercial volumes would ideally continue to grow annually based on material performance.

 

Anticipated Project Phases or Project Plan

 

Phase 1 – Initial discussions under NDA to determine validity of approach

  • Establish environmental parameters
  • Establish method(s) of material application
  • Establish fundamental objectives based on environmental parameters
  • Existing proof of concept (if applicable / available)
  • Key success criteria including market place competition and fiscal awareness
  • Project timeline/milestones

 

Phase 2 – Finalization of technical proof of concept against RFP specifications

  • Finalization of Key Success Criteria
  • Monthly reports of material evaluation focusing on technology advancements for the first 6 months
    • Bi-monthly reports thereafter for the duration of the engagement
  • Establish feasibility against ASTM guidelines
    • ASTM A775/A775M -07b
    • ASTM A934/A934M -13
  • On-site evaluation of material application process leading up to material testing.
  • Re-evaluate material concepts (if necessary)
  • Samples provided for client testing
  • Third-party testing

 

Phase 3 – Commercial development

  • Development pathway including plan for optimizing against key success criteria

 

Key Success Criteria

The successful technology will:

  • Be compatible with or adaptable to applications on ferrous substrates
  • Allow for acceptable ductility in the end application
    • Elongation: meets or exceeds ASTM specs
      • ASTM A775/A775M -07b
      • ASTM A934/A934M -13
    • Compression: meets or exceeds ASTM specs
      • ASTM A775/A775M -07b
      • ASTM A934/A934M -13
    • Hardness determinations
    • Thermal contraction/expansion cycling based on thermal parameters
      • To study potential stress fractures
  • Exhibit dielectric properties in the end application
  • Function reliably at a thickness no greater than 8 mils
  • Ideally, enable one step processing during application
  • Ideally, employ commercially available raw materials

 

Additionally, proposals that can provide details regarding material characteristics or evaluations (ASTM or otherwise) based on one or more of the following parameters are of significant interest:

  • Abrasion and impact specs
  • High alkalinity environments (pH 7-14)
  • Cathodic disbondment testing
  • Temperature fluctuations (from -30OC to 200OC)
  • UV stability
  • Rheological studies
  • GPC analysis
  • Thermogravimetric analysis
  • Performance after accelerated weathering as compared to the neat material as a control
  • Performance after thermal aging as compared to the neat material as a control
  • Chloride permeation studies as compared to the neat material as a control (Salt Fog chamber or other)

 

Possible Approaches

Possible approaches might include, but are not limited to:

  • Novel material solutions such as:
    • Thermosetting hybrid epoxide networks
    • Hybrid systems
      • e.g acrylated epoxies, urethane-epoxies etc.
    • Urethane/Polyurea networks
  • Approaches from other industries that may be adapted to meet the criteria of this application.
  • Approaches currently employed on non-ferrous substrates that may be adapted to meet the criteria of this application
  • Coatings that employ novel polymeric networks or application methods that enable the desired characteristics
    • e.g. fluidized bed coating, electrostatic coating, vacuum coating, etc.

 

Approaches not of interest

The following approaches are not of interest:

  • Approaches that do not meet the desired combination of material durability as outlined.
  • Approaches that cannot be adapted for applications on ferrous substrates.
  • Computational or theoretical materials
  • Material modeling approaches that are not supported by technical or developmental resources
  • PVD coating techniques

 

Preferred Collaboration types
Items to be submitted

To respond, please make sure you are registered in NineSights, as it will prompt you to log in. Then, use the Response options at the top or bottom of the page. You may submit supplemental files in addition to your completed response form.

 

Appropriate responses will use the response form and address the following:

  • Non-confidential description of proposed technology
  • Technical maturity of the approach (concept, prototype, ready to commercialize, commercialized)
  • Compatibility of the proposed solution with the requirements outlined in the “Key Success Criteria” section above.
    • If proposing an approach from an adjacent industry, please provide justification for how your technology would meet the desired results for the given application.
    • If proposing an approach employed on materials other than steel, please provide justification for how your technology could be optimized for use on steel.
    • Discussion of how to resolve unmet Success Criteria.
  • Performance data, if available and applicable
  • Budget / Cost information, if available
  • Team / Organization description
  • Relevant expertise, experience or background related to the RFP topic area
  • Desired relationship with the RFP sponsor
  • Position on handling or negotiation intellectual property rights (if applicable)

 

Area of Interest
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