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公开(公告)号：WO2014117110A1
公开(公告)日：2014-07-31
申请号：PCT/US2014/013246
申请日：2014-01-27
Applicant: GREENE, TWEED TECHNOLOGIES, INC.
Inventor： DRAKE, Kerry, A. , BRUKE, Charles, P. , CAMPBELL, Ronald, R. , BURGOYNE, William, F. , BEKISLI, Burak
CPC classification number: C08G61/127 , C08G65/48 , C08G73/14 , C08G73/18 , C08G2261/135 , C08G2261/312 , C08G2261/3142 , C08G2261/3442 , C08G2261/76 , C08G2650/40 , C08K5/00 , C08K5/053 , C08L65/00 , C08L65/02 , C08L71/12 , C08L73/00 , C08L75/02 , C08L75/04 , C08L77/10 , C08L79/04 , C08L79/08 , C08L81/06 , C09K3/1006
Abstract: A method and compositions are described which improve extrusion- and creep- resistance of components for use in a high temperature applications including sealing elements and seal connectors among others. The method includes providing a composition having an aromatic polymer and a crosslinking compound, and subjecting the composition to a heat molding process to form the component and crosslink the aromatic polymer.
Abstract translation: 描述了一种方法和组合物，其改善用于包括密封元件和密封连接器等的高温应用中的部件的挤压和抗蠕变性。 该方法包括提供具有芳族聚合物和交联化合物的组合物，并使组合物进行热模塑工艺以形成组分并使芳族聚合物交联。
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公开(公告)号：WO2021202811A1
公开(公告)日：2021-10-07
申请号：PCT/US2021/025274
申请日：2021-03-31
Applicant: GREENE, TWEED TECHNOLOGIES, INC.
Inventor： PERIYASAMY, Mookkan , CAMPBELL, Ronald, R. , SASSANO, Elizabeth , HADJUCZEK, Wojciech, Jan , HICKNER, Michael, A. , PEEKE, Lachlan
IPC: B33Y10/00 , B33Y80/00 , B29C64/118 , B29C64/124 , B29C64/209 , B29C64/227 , B29C64/295 , B33Y30/00 , B33Y50/02 , B33Y70/10 , C08L83/06
Abstract: A method is described for forming composite articles comprising thermoset silicon-containing polymers, that includes (a) providing a first composition comprising a first thermoset silicon-containing polymer; (b) providing a thermoplastic composition; (c) printing a first at least partial layer of the first composition comprising the first thermoset silicon-containing polymer using an additive manufacturing device; and (d) printing an at least partial reinforcing layer comprising the thermoplastic composition using an additive manufacturing device. An apparatus for preparing a composite article comprising thermoset silicon-containing polymers that includes an additive manufacturing printer, wherein the additive manufacturing printer is capable of providing two or more layers to form a three-dimensional composite article according to a computer design model.
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公开(公告)号：WO2023077111A1
公开(公告)日：2023-05-04
申请号：PCT/US2022/078943
申请日：2022-10-28
Applicant: GREENE, TWEED TECHNOLOGIES, INC.
Inventor： PERIYASAMY, Mookkan , CAMPBELL, Ronald, R. , SASSANO, Elizabeth , HADJUCZEK, Wojciech, Jan , HICKNER, Michael, A. , PEEKE, Lachlan , LIU, Wenbo
IPC: B29C64/124 , B33Y70/10 , B33Y80/00 , C08L83/06 , B29C64/295
Abstract: Methods are described for forming composite articles comprising thermoset silicon-containing polymers, that include providing a first composition comprising a first thermoset silicon-containing polymer; providing either a thermoplastic composition and/or a continuous long reinforcing fiber; printing a first at least partial layer of the first composition comprising the first thermoset silicon-containing polymer using an additive manufacturing device; and printing either or both of an at least partial reinforcing layer comprising the thermoplastic composition using an additive manufacturing device and an at least partial layer of a long reinforcing fiber. Also described in are apparatuses for preparing composite articles comprising reinforced thermoset silicon-containing polymers that include an additive manufacturing printer having a printer drive mechanism, a first printing nozzle for forming a first layer of a first composition; and a second printing nozzle for forming a second layer of a second composition or a long reinforcing fiber, wherein the additive manufacturing printers are capable of providing two or more layers of each of the first composition and either a second composition or a long reinforcing fiber to form three-dimensional composite articles of the first and the second composition or the first composition and long reinforcing fiber or combinations thereof according to computer design models, wherein at least one of the first printing nozzle and the second printing nozzle is a pressurized printing nozzle comprising a heating mechanism in operable contact therewith.
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公开(公告)号：WO2021202813A1
公开(公告)日：2021-10-07
申请号：PCT/US2021/025276
申请日：2021-03-31
Inventor： PERIYASAMY, Mookkan , CAMPBELL, Ronald, R. , SASSANO, Elizabeth , MEAD, Joey , KAZMER, David , BANERJEE, Shibshankar , BURBINE, Stephen , KEANEY, Erin, E. , PHAEN, Leeda
Abstract: An apparatus suitable for extruding curable polymers for forming elastomer articles using additive manufacturing, and curable fluorine-containing polymer compositions suitable for use in such an apparatus are disclosed along with an additive manufacturing method for forming a fluorine-containing elastomer article including providing a filament formed of a curable fluoropolymer composition; providing an additive manufacturing printer having a drive mechanism and a printer nozzle; feeding the filament into an additive manufacturing printer through the drive mechanism and through a longitudinal passage defined by an interior wall of a support tube, wherein the support tube extends from a first end to a second end, and wherein the second end of the support tube is positioned near an inlet to a printer nozzle; applying heat to the filament; and printing successive layers of the heated filament exiting an outlet of the nozzle onto a substrate using the additive manufacturing printer to form the fluorine-containing elastomer article.
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