PRC-DESOTO INTERNATIONAL INCORPORATED Patent applications |
Patent application number | Title | Published |
20150240033 | MICHAEL ADDITION CURING CHEMISTRIES FOR SULFUR-CONTAINING POLYMER COMPOSITIONS EMPLOYING BIS(SULFONYL)ALKANOLS - The use of Michael addition curing chemistries in compositions comprising sulfur-containing polymers such as polythioethers and polysulfides useful in aerospace sealant applications are disclosed. Sulfur-containing adducts comprising terminal Michael acceptor groups are also disclosed. In particular, sulfur-containing polymers and sulfur containing Michael acceptor adducts having terminal 1-(ethylenesulfonyl)-n-(vinylsulfonyl)alkanol groups are disclosed. | 08-27-2015 |
20150183806 | MULTIFUNCTIONAL SULFUR-CONTAINING POLYMERS, COMPOSITIONS THEREOF AND METHODS OF USE - Disclosed are multifunctional sulfur-containing polymers that are the reaction products of a sulfur-containing diol, a polyol containing at least three hydroxyl groups per polyol molecule, and an aldehyde, a ketone, or a combination thereof. Sealant compositions comprising the multifunctional sulfur-containing polymers are also disclosed. | 07-02-2015 |
20150099858 | CONTROLLED RELEASE AMINE-CATALYZED, MICHAEL ADDITION-CURABLE SULFUR-CONTAINING POLYMER COMPOSITIONS - Compositions comprising sulfur-containing polymers such as polythioethers, Michael acceptors, and controlled release amine catalysts employing Michael addition curing chemistries useful in aerospace sealant applications are disclosed. The compositions exhibit extended pot life and the rate of curing can be tailored for specific applications. | 04-09-2015 |
20140272287 | ENERGY CURABLE SEALANTS - Curable compositions containing thiol-terminated polythioethers and encapsulated polyepoxy curing agents are disclosed. The compositions exhibit extended pot life. | 09-18-2014 |