05-11-2015 дата публикации
Номер: US20150315416A1
Принадлежит:
Disclosed are poilythioethers that are the reaction product of reactants that include: a) an isocyanurate-containing trithiol; b) a polythiol different from (a); and c) a diene. Also disclosed are compositions, such as sealant compositions, that include such polythioethers. 119-. (canceled)21. The polythioether of claim 20 , wherein Ris —[(—CH—)—O—]—(—CH—)— wherein claim 20 ,p is an integer having a value ranging from 2 to 6,q is an integer having a value ranging from 1 to 5, andr is an integer having a value ranging from 2 to 10.22. The polythioether of claim 21 , wherein p is 2 claim 21 , q is 2 claim 21 , and r is 2.23. The polythioether of claim 21 , wherein p is 2; and each of q and r is selected from 1 and 2.24. The polythioether of claim 20 , wherein Ris —(CH)—O—(CH)—O—(CH)—.25. The polythioether of claim 20 , wherein m is 1 to 4.26. The polythioether of claim 20 , wherein Ris ethylene and m is 2.27. The polythioether of claim 20 , wherein Ris n-butylene and Ris ethylene.28. The polythioether of claim 20 , wherein Y comprises a terminal thiol —SH group.29. The polythioether of claim 28 , wherein polythioether is liquid at room temperature.3013. The polythioether of claim 20 , wherein Y is —[—(CH)—O—(R O)—(CH—S—R—S—]—H.31. The polythioether of claim 20 , wherein Y is —[(—CH)—O—(—(CH)—O—)—(CH)—S—(CH)—O—S—(CH)—O—(CH)—S—]—H.32. The polythioether of claim 20 , wherein claim 20 ,{'sub': 2', '2, 'R is —(CH)—;'}{'sup': '1', 'sub': 2', '2', '2', '2', '2', '2, 'Ris —(CH)—O—(CH)—O—(CH)—; and'}{'sup': '2', 'sub': 2', '2', '2', '2', '2', '2', '2, 'Ris —(CH)—O—[—(CH)—O—]—)CH)—.'}33. The polythioether of claim 20 , wherein Y comprises a terminal hydroxyl claim 20 , alkyl claim 20 , alkylene claim 20 , isocyanate claim 20 , epoxy claim 20 , amine claim 20 , or silane group.34. The polythioether of claim 33 , wherein thiol-terminated polythioether has a Tnot higher than −55° C.35. A composition comprising:{'claim-ref': {'@idref': 'CLM-00020', 'claim 20'}, 'the polythioether ...
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