Sol-Gel Derived Composite Coating as a Surface Pretreatment for Aluminum Alloy Adhesive Bonding

EPA Contract Number: 68D60038
Title: Sol-Gel Derived Composite Coating as a Surface Pretreatment for Aluminum Alloy Adhesive Bonding
Investigators: Zheng, Haixing
Small Business: Chemat Technology Inc.
EPA Contact: Richards, April
Phase: I
Project Period: September 1, 1996 through March 1, 1997
Project Amount: $70,000
RFA: Small Business Innovation Research (SBIR) - Phase I (1996) RFA Text |  Recipients Lists
Research Category: SBIR - Pollution Prevention , Nanotechnology , Pollution Prevention/Sustainable Development , Small Business Innovation Research (SBIR)


Currently the most advanced surface preparation techniques for aluminum alloy bonding are anodization processes. These processes are multiple-step complicated processes and use large amounts of water and power. In addition, these anodization processes use chromates which are toxic and against EPA and OSHA environmental compliance. Thus an alternative advanced surface pretreatment process for aluminum alloy adhesive bonding is needed. In this proposed research, Chemat Technology, Inc. plans to develop and evaluate a simple, environmentally benign surface pretreatment process for aluminum alloys. By incorporating thermally active organics into the porous alumina coating, the coating process has the potential to eliminate the priming step in the conventional anodization process. The sol-gel coating process does not use chromates thus preventing chromate pollution of the environment.

Publications and Presentations:

Publications have been submitted on this project: View all 1 publications for this project

Supplemental Keywords:

small business, SBIR, engineering, chemistry, pollution prevention, hazardous waste., RFA, Scientific Discipline, Toxics, Waste, Sustainable Industry/Business, Chemical Engineering, cleaner production/pollution prevention, Environmental Chemistry, Chemistry, Hazardous Waste, Hazardous, 33/50, Environmental Engineering, chromate, cleaner production, green design, waste minimization, waste reduction, adhesive, chromium & chromium compounds, clean technology, Chromium, anodizing process, aluminum ally bonding, environmental Compliance, aluminum alloy bonding, innovative technology, sol-gel coating, adhesives, pollution prevention, surface pretreatment

Progress and Final Reports:

  • Final