Polymer Systems for Rapid Sealing of Aircraft Structures at Low Temperature.
Final rept. Sep 81-Aug 83,
PRODUCTS RESEARCH AND CHEMICAL CORP GLENDALE CA RESEARCH AND DEVELOPMENT LAB
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Materials examined for low temperature, rapid curing, fuel and water resistant sealants included hot melts, UV activated, moisture curing, and anaerobic polymers. Two component polymers utilizing urethane cures, oxidation, and mercaptan-epoxy additions were evaluated Epoxy cures of mercaptan terminated polythioethers gave excellent low temperature cures along with practical application times. Physical and chemical properties were examined and found to essentially meet requirements of MIL-S-85420 AS. Storage stability was excellent.
- Polymer Chemistry