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1. 发明申请

WO2022251804A1 COMPOSITE STRUCTURES COMPRISING METAL SUBSTRATES 审中-公开
公开(公告)号：WO2022251804A1
公开(公告)日：2022-12-01
申请号：PCT/US2022/072495
申请日：2022-05-23
申请人： PRC-DESOTO INTERNATIONAL, INC.
发明人： BURTT, JR., Kenneth William , YEONG, Yong Han , DUFFY, Shawn Patrick , MARTIN, Justin Jonathan , ARBAB, Mehran , LOVE, Jonathan A. , KHUDIAKOV, Mikhail , LIM, Mary Lyn Chong , PEFFER, Robin Michelle
IPC分类号： B32B15/02 , B32B27/12 , B32B27/18 , B32B27/26 , B32B27/38 , B32B7/12 , C08J5/24 , C08K5/17 , C09D163/00 , C08G59/14 , B29C70/02 , B29C70/68 , B29C70/78 , B29C70/88 , C09D5/44 , B32B15/14 , B32B15/20 , B32B3/26 , B32B5/02 , B32B5/26 , B32B15/08 , B32B27/08 , B32B27/20
摘要： The present disclosure is directed to a composite structure comprising at least one reinforced polymer layer comprising a reinforcing material; a layer comprising a metal substrate comprising a surface and a conformal organic coating present on at least a portion of the surface; wherein the layer comprising the metal substrate is in direct contact with the reinforced polymer layer, and the reinforcing material is more noble than the metal substrate. Also disclosed is a method of making a composite structure, a surfacing film, and a test method for evaluating the galvanic corrosion resistance of a metal substrate test piece.

2. 发明申请

WO2022186885A1 CORROSION INHIBITING COATINGS COMPRISING ALUMINUM PARTICLES, MAGNESIUM OXIDE AND AN ALUMINUM AND/OR IRON COMPOUND 审中-公开
公开(公告)号：WO2022186885A1
公开(公告)日：2022-09-09
申请号：PCT/US2021/065779
申请日：2021-12-30
申请人： PRC-DESOTO INTERNATIONAL, INC.
发明人： GEORGIC, Victor Franklin , FERLIC, Megan Elizabeth , MARTIN, Justin Jonathan
IPC分类号： C09D5/10 , C09D7/61 , C08K3/30 , C08K3/22 , C08K3/32
摘要： The present invention is directed to a coated metal substrate comprising a metal substrate; and a coating applied over at least a portion of the metal substrate, wherein the coating comprises a film-forming binder; magnesium oxide; an aluminum compound and/or iron compound; and aluminum particles. The present invention also provides a curable film-forming coating composition comprising a film-forming binder; magnesium oxide; an aluminum and/or iron compound; and aluminum particles. Also disclosed are methods of coating a substrate.

3. 发明申请

WO2022177863A1 COMPOSITIONS CONTAINING A FREE RADICAL POLYMERIZATION INITIATOR 审中-公开
公开(公告)号：WO2022177863A1
公开(公告)日：2022-08-25
申请号：PCT/US2022/016353
申请日：2022-02-14
申请人： PRC-DESOTO INTERNATIONAL, INC.
发明人： LIU, Jiancheng , SRIVATSAN, Nagarajan
IPC分类号： C08G75/045 , C08L81/00 , C08G75/12
摘要： Compositions containing an azo free radical polymerization initiator, an organic peroxide free radical polymerization initiator, or a combination thereof are disclosed. The compositions are storage stable at temperatures less than 0 °C and cure at room temperature. The compositions are useful as sealants.

4. 发明申请

WO2021211833A1 CONTROLLING CURE RATE WITH WETTED FILLER 审中-公开
公开(公告)号：WO2021211833A1
公开(公告)日：2021-10-21
申请号：PCT/US2021/027470
申请日：2021-04-15
申请人： PRC-DESOTO INTERNATIONAL, INC.
发明人： TOOLIS, Amy Liane , HSU, Lorraine , CLINGERMAN, Daniel , MARTIN, Justin
IPC分类号： C08G75/045 , C08K3/00 , C08L81/02
摘要： Compositions include a polythiol and a wetted filler. The compositions exhibit an extended working time and a rapid onset of cure. The compositions can be used as sealants.

5. 发明申请

WO2021207080A1 MIXING IMPELLERS FOR SEALANT CARTRIDGES 审中-公开
公开(公告)号：WO2021207080A1
公开(公告)日：2021-10-14
申请号：PCT/US2021/025792
申请日：2021-04-05
申请人： PRC-DESOTO INTERNATIONAL, INC.
发明人： KUCHINSKI, Paul , SINGH, Goldi , SANTILLAN, Oscar
IPC分类号： B01F11/00 , B01F13/00 , B01F15/00 , B01F7/00 , B01F15/02 , B01F7/16
摘要： A mixing impeller (10) for mixing a sealant inside a cartridge (1) is disclosed. The mixing impeller (10) comprises a central hub (11) and at least two mixing arms (20) extending radially outward from the central hub (11). Each of the mixing arms (20) may include a leading edge (24), a trailing edge (26), and a wiping edge (28) extending circumferentially between a leading tip (25) of the leading edge (24) and a trailing edge transition (27) of the trailing edge (26). The wiping edge (28) may have an arc length defining a wiping edge (28) angle, the leading tip (25) may be circumferentially offset in a direction of rotation of the mixing impeller (10) defining a leading edge (24) angle to provide a forward swept configuration, and the wiping edge (28) angle may be greater than the leading edge (24) angle. A sealant cartridge (1) and mixing impeller (10) assembly is also disclosed.

6. 发明申请

WO2021155092A1 PHOTOCURABLE ADHESION-PROMOTING COMPOSITIONS AND METHODS OF USE 审中-公开
公开(公告)号：WO2021155092A1
公开(公告)日：2021-08-05
申请号：PCT/US2021/015620
申请日：2021-01-29
申请人： PRC-DESOTO INTERNATIONAL, INC.
发明人： LIU, JianCheng , ZHENG, Chu Ran , CHANG, Millie , SRIVATSAN, Nagarajan
IPC分类号： C09D5/00 , C09D4/00 , C09D7/63 , C09D7/20 , C09D183/00
摘要： Photocurable adhesion-promoting compositions containing organic titanates and/or organic zirconates and partially reacted alkoxysilanes and the use of the photocurable adhesion-promoting compositions to provide adhesion between metal substrates and an overlying radiation-cured sealant are disclosed.

7. 发明申请

WO2020206220A1 DUAL-CURE COMPOSITIONS 审中-公开
公开(公告)号：WO2020206220A1
公开(公告)日：2020-10-08
申请号：PCT/US2020/026535
申请日：2020-04-03
申请人： PRC-DESOTO INTERNATIONAL, INC.
发明人： RAO, Chandra B. , LIN, Renhe
IPC分类号： C08G75/045 , B32B37/00 , C08K3/10 , C08K5/00 , C08L81/02 , C09D181/02 , C09J181/02
摘要： Dual cure compositions include a combination of an organoborane complex and a radical oxidizing agent as co-catalysts. The compositions are curable under dark conditions and can be used to catalyze thiol-ene reactions. The compositions are useful as sealants.

8. 发明申请

WO2020181038A1 CHEMICALLY RESISTANT SEALANT COMPOSITIONS AND USES THEREOF 审中-公开
公开(公告)号：WO2020181038A1
公开(公告)日：2020-09-10
申请号：PCT/US2020/021096
申请日：2020-03-05
申请人： PRC-DESOTO INTERNATIONAL, INC.
发明人： CUI, Weibin , CAI, Juexiao , LIN, Renhe
IPC分类号： C08G75/02 , C08L63/04 , C08L81/02 , C09J163/00 , C09J163/04 , C09J181/02 , C09K3/10
摘要： Chemically resistant sealant compositions include high equivalent weight sulfur-containing prepolymers. Upon exposure to chemicals the properties of sealants prepared using the prepolymers exhibit excellent fuel and phosphate ester resistance.

9. 发明申请

WO2018132565A1 DELAYED CURING CATALYSTS FOR THIOL/EPOXY REACTIONS 审中-公开
公开(公告)号：WO2018132565A1
公开(公告)日：2018-07-19
申请号：PCT/US2018/013314
申请日：2018-01-11
申请人： PRC-DESOTO INTERNATIONAL, INC.
发明人： CUI, Weibin , LIN, Renhe
IPC分类号： C08G75/02 , C08G75/12
摘要： Thiol-terminated polythioether compositions and sealants exhibit an extended working time and rapidly cure at room temperature at the end of the working time are disclosed. The compositions comprise a combination of pyridine catalysts.

10. 发明申请

WO2018044351A1 CURABLE FILM-FORMING COMPOSITIONS DEMONSTRATING INCREASED WET-EDGE TIME 审中-公开
标题翻译：可固化的成膜组合物表现出提高的潮湿时间
公开(公告)号：WO2018044351A1
公开(公告)日：2018-03-08
申请号：PCT/US2017/023049
申请日：2017-03-17
申请人： PRC-DESOTO INTERNATIONAL, INC.
发明人： TANG, Guangliang , KHUDIAKOV, Mikhail
IPC分类号： C09D175/04 , C08G18/79 , C08G18/22 , C08G18/40
摘要： The present invention is directed to a curable film-forming composition comprising: (a) a curing agent comprising reactive isocyanate functional groups; (b) a film-forming compound comprising functional groups reactive with the reactive isocyanate functional groups in (a); (c) a photo-latent catalyst; (d) a beta-diketone having a flash point higher than 60C (140 F); and (e) a beta-diketone having a flash point lower than or equal to 60C (140 F). The invention is further directed to methods of controlling the rate of cure and increasing the wet-edge time of a curable film-forming composition comprising an isocyanate functional curing agent, by adding to the curable film-forming composition a catalyst component comprising: (i) a photo-latent catalyst; (ii) a beta-diketone having a flash point higher than 60C (140 F); and (iii) a beta-diketone having a flash point lower than or equal to 60C (140 F).
摘要翻译：本发明涉及一种可固化成膜组合物，其包含：（a）包含反应性异氰酸酯官能团的固化剂; （b）包含可与（a）中的反应性异氰酸酯官能团反应的官能团的成膜化合物; （c）光潜催化剂; （d）闪点高于60℃（140°F）的β-二酮; 和（e）闪点低于或等于60℃（140°F）的β-二酮。本发明还涉及通过向可固化成膜组合物中加入催化剂组分来控制包含异氰酸酯官能固化剂的可固化成膜组合物的固化速率和增加湿边缘时间的方法，所述催化剂组分包含：）一种光潜催化剂; （ⅱ）闪点高于60℃（140°F）的β-二酮; 和（iii）闪点低于或等于60℃（140°F）的β-二酮。

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