FIELD: chemistry.
SUBSTANCE: present invention relates to a non-cured sealant, a cured sealant, a method for production thereof and an aerospace aircraft. Said composition contains a polythioether having terminal thiol groups, polyene containing a polyvinyl ether, and a hydroxy-functional vinyl ether. Method of producing a cured sealant involves depositing said composition onto a substrate and exposing actinic radiation to obtain a cured sealant.
EFFECT: obtained compositions are stable during storage and are capable of fast hardening when deposited on a substrate to obtain a cured sealant, having fuel resistance, low-temperature flexibility, low curing time and resistance to high temperatures.
14 cl, 12 tbl, 18 ex
Title |
Year |
Author |
Number |
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|
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