Dual cure low-VOC coating process. Phase 3, Semi-annual report, April 1, 1992--September 30, 1992
The objective of Phase 3 of 3M`s contract with the US Department of Energy is to complete proof-of-principle testing in full-scale systems of the dual cure photocatalyst technology developed in earlier Phases of the program. The Phase 3 commercial applications to be demonstrated are aerospace topcoats, aerospace primers, and solventless manufacture of tape backings. This report details activities of Phase 3 during this reporting period. In the second six months of Phase 3, work has continued in all three applications. Significant progress has been made in improving the performance of the urethane/acrylate formulation being used for the aerospace topcoat application. Key improvements have been made in obtaining increased reverse impact, initial gloss and gloss retention during accelerated weathering. Technical challenges have continued with the aerospace primer formulation. Efforts in this six months have continued to focus on establishing a good baseline epoxy/acrylate formulation with reliable cure conditions. Work on the third demonstration application, development of solventless backing saturants for electrical tape backings, has essentially been completed. Optimal dual cure resin formulations have been identified and utilized in preparing complete tape constructions. These tapes have been evaluated and characterized in terms of benchmark UL and internal 3M specifications for electrical tape performance.
- Research Organization:
- Minnesota Mining and Mfg. Co., St. Paul, MN (United States). Corporate Research Labs.
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC04-88ID12692
- OSTI ID:
- 10102410
- Report Number(s):
- DOE/ID/12692-4; ON: DE94000365
- Resource Relation:
- Other Information: PBD: Oct 1993
- Country of Publication:
- United States
- Language:
- English
Similar Records
Dual cure solventless coating process. Phase 3, Semiannual technical report, October 1, 1991--March 1992
Dual cure solventless coating process
Related Subjects
36 MATERIALS SCIENCE
ENAMELS
CURING
URETHANE
ACRYLATES
EPOXIDES
RESINS
RESEARCH PROGRAMS
PROGRESS REPORT
ADHESIVES
AIRCRAFT
BENCHMARKS
SPECIFICATIONS
REPORTING REQUIREMENTS
PROGRAM MANAGEMENT
TECHNOLOGY TRANSFER
SUBSTRATES
320302
360602
MATERIALS
STRUCTURE AND PHASE STUDIES