Patents by Inventor Guobin Sun
Guobin Sun has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240124680Abstract: The present invention relates to a method for stably storing an isocyanate composition, the stably stored isocyanate composition, and a polyurethane resin prepared from the isocyanate composition.Type: ApplicationFiled: December 15, 2021Publication date: April 18, 2024Inventors: Sichang Lu, Guobin Sun, Yi Qing Li, Youngming Gu
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Publication number: 20230303801Abstract: A method for stably storing an isocyanate composition comprising A1) one or more polyisocyanates and A2) at least one free radical initiator is provided. The method comprises adding a component A3) comprising at least one free radical inhibitor into the isocyanate composition. An isocyanate composition and a polyurethane resin prepared from the isocyanate composition is also provided.Type: ApplicationFiled: August 11, 2021Publication date: September 28, 2023Inventors: Guobin Sun, Yi Qing Li, Xiaojun Han, Yongming Gu, John Zhang
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Patent number: 11512164Abstract: The present invention relates to an isocyanate-reactive component B) comprising: B1) one or more organic polyols selected from the group consisting of polyether polyols, polyester polyols, polyetherester polyols, polymer polyols, polycarbonate polyols and polyethercarbonate polyols; B2) one or more compounds having the structure of Formula (I) wherein R1 is selected from the group consisting of hydrogen, methyl or ethyl; R2 is selected from the group consisting of alkylene having 2 to 6 carbon atoms, 2,2-bis(4-phenylene)propane, 1,4-bis(methylene)benzene, 1,3-bis(methylene)benzene, 1,2-bis(methylene)benzene; n is an integer selected from 1 to 6; and B3) at least one radical reaction adjuvant selected from the group consisting of aryl-substituted olefins, a composite material comprising a thermosetting polyurethane-polyacrylate resin matrix made with such isocyanate-reactive component B) and a reinforcement material and a process of preparing the same.Type: GrantFiled: September 12, 2018Date of Patent: November 29, 2022Assignee: Covestro Deutschland AGInventors: Nicolas Stoeckel, Marcel Schornstein, Kai Laemmerhold, Guobin Sun
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Publication number: 20220332059Abstract: A method for producing a Spar Cap, trailing edge or other reinforced laminate structural part of wind turbine blade, the Spar Cap, trailing edge or other reinforced laminate structural part of wind turbine blade produced by the method and its use are provided. The method for producing a Spar Cap, trailing edge or other reinforced laminate structural part of wind turbine blade improves production efficiency and saves costs.Type: ApplicationFiled: August 25, 2020Publication date: October 20, 2022Inventors: Di Wu, Zhijiang Li, Yongming Gu, Ian Zheng, Guobin Sun
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Publication number: 20220184901Abstract: The present invention relates to a method for preparing a pultruded polyurethane composite by a polyurethane pultrusion process, a pultruded polyurethane composite prepared by said method, and uses thereof. The method for preparing a pultruded polyurethane composite of the present invention employs short molds, improves production efficiency and saves costs.Type: ApplicationFiled: March 20, 2020Publication date: June 16, 2022Inventors: Zhijiang Li, Yongming Gu, Guobin Sun, Hui Zhang, Christian Kube
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Publication number: 20220185940Abstract: The invention relates to a method of storing an isocyanate-reactive component for preparing a polyurethane composite, the stably stored isocyanate-reactive component obtained by the method, and the polyurethane composite prepared therefrom.Type: ApplicationFiled: April 9, 2020Publication date: June 16, 2022Inventors: Zhijiang LI, Yongming Gu, Guobin Sun, Hui Zhang
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Publication number: 20210388150Abstract: The present invention relates to a process for producing a polyurethane elastomer, a polyurethane elastomer produced by the process, and the use of the polyurethane elastomer in a glass encapsulation/elastic gasket or the like. The process mainly includes adding a hindered amine light stabilizer to the isocyanate-containing component A. Its reaction with the organotin catalyst in the isocyanate reactive component (i.e. component B), which may cause a loss of the catalytic performance of the catalyst, is avoided. The curing speed of the polyurethane elastomer is increased, thereby the production efficiency is improved and costs are reduced.Type: ApplicationFiled: November 12, 2019Publication date: December 16, 2021Inventors: Jun Tong, Guobin Sun
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Publication number: 20210061942Abstract: The present invention relates to an isocyanate-reactive component B) comprising: B1) one or more organic polyols selected from the group consisting of polyether polyols, polyester polyols, polyetherester polyols, polymer polyols, polycarbonate polyols and polyethercarbonate polyols; B2) one or more compounds having the structure of Formula (I) wherein R1 is selected from the group consisting of hydrogen, methyl or ethyl; R2 is selected from the group consisting of alkylene having 2 to 6 carbon atoms, 2,2-bis(4-phenylene)propane, 1,4-bis(methylene)benzene, 1,3-bis(methylene)benzene, 1,2-bis(methylene)benzene; n is an integer selected from 1 to 6; and B3) at least one radical reaction adjuvant selected from the group consisting of aryl-substituted olefins, a composite material comprising a thermosetting polyurethane-polyacrylate resin matrix made with such isocyanate-reactive component B) and a reinforcement material and a process of preparing the same.Type: ApplicationFiled: September 12, 2018Publication date: March 4, 2021Inventors: Nicolas Stoeckel, Marcel Schornstein, Kai Laemmerhold, Guobin Sun
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Publication number: 20200316892Abstract: The present invention relates to a composite wind turbine blade, manufacturing method and application thereof. The blade comprises blade shell, shear web, spar cap and blade root, wherein the spar cap is manufactured with polyurethane resin and the blade shell is manufactured with epoxy resin. The present invention contributes to increasing stiffness of the wind turbine blade, making the wind turbine blade lighter and shortening its production cycle, thus saving manufacturing cost thereof.Type: ApplicationFiled: October 11, 2018Publication date: October 8, 2020Inventors: Yongming Gu, Yichen Zheng, Jirabhat Lerlertwanich, Guobin Sun, Xiaojun Han
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Patent number: 10751956Abstract: The present application relates to a method for manufacturing fiber-reinforced plastic products. This method comprises: preparing a fiber preform on a mold; disposing first and second flow meshes and first and second demolding cloths; sealing the fiber preform to form a vacuum system by pumping; penetrating the resin through the first peel ply via the first flow mesh and impregnates the fiber preform from bottom to top; penetrating the resin through the second peel ply via the second flow mesh and impregnates the fiber preform from top to bottom; and attaining a resin-impregnated fiber perform and finally attaining fiber-reinforced plastic products.Type: GrantFiled: April 6, 2016Date of Patent: August 25, 2020Assignee: COVESTRO DEUTSCHLAND AGInventors: Yongming Gu, Yuan Cheng, Yichen Zheng, Guobin Sun, Shuangyin Xiao
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Publication number: 20200215770Abstract: A pultrusion method, equipment for preparing a fiber-reinforced composite, and a fiber-reinforcement composite are provided. The pultrusion method comprises the following steps: i) preforming inner layer fibers; ii) impregnating the preformed inner layer fibers with a first resin to obtain a first preform; iii) heating and curing the first preform to obtain an inner layer profile; iv) preforming outer layer fibers together with the inner layer profile; v) impregnating the outer layer fibers with a second resin to obtain a second preform; and vi) heating and curing the second preform to obtain the fiber-reinforced composite.Type: ApplicationFiled: June 11, 2018Publication date: July 9, 2020Inventors: Yongming Gu, Zhijiang Li, James Chen, Chenxi Zhang, Guobin Sun, Hui Zhang
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Patent number: 10683403Abstract: The present invention relates to a polyurethane composite material, comprising a polyurethane resin matrix prepared from a polyurethane composition, and a reinforcement material, wherein the polyurethane composition comprises: A) an isocyanate component comprising one or more organic polyisocyanates; B) an isocyanate-reactive component comprising: b1) one or more organic polyols having an amount of 21-60 wt. % based on 100% by weight of the polyurethane composition; b2) one or more (meth)acrylates comprising hydroxyl groups; and C) a radical reaction initiator; wherein the polyurethane resin matrix is prepared under such reaction conditions that the polyurethane composition undergoes addition polymerization reaction of isocyanate groups and hydroxyl groups and radical polymerization reaction simultaneously. The present invention further relates to the preparation process of the polyurethane composite material.Type: GrantFiled: March 29, 2019Date of Patent: June 16, 2020Assignee: COVESTRO DEUTSCHLAND AGInventors: Guobin Sun, Yongming Gu, Fei Wu, James (Zhan) Chen, Ian (Yichen) Zheng, Yuan Cheng, Hui Zhao
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Publication number: 20190225761Abstract: The present invention relates to a polyurethane composite material, comprising a polyurethane resin matrix prepared from a polyurethane composition, and a reinforcement material, wherein the polyurethane composition comprises: A) an isocyanate component comprising one or more organic polyisocyanates; B) an isocyanate-reactive component comprising: b1) one or more organic polyols having an amount of 21-60 wt. % based on 100% by weight of the polyurethane composition; b2) one or more (meth)acrylates comprising hydroxyl groups; and C) a radical reaction initiator; wherein the polyurethane resin matrix is prepared under such reaction conditions that the polyurethane composition undergoes addition polymerization reaction of isocyanate groups and hydroxyl groups and radical polymerization reaction simultaneously. The present invention further relates to the preparation process of the polyurethane composite material.Type: ApplicationFiled: March 29, 2019Publication date: July 25, 2019Inventors: Guobin Sun, Yongming Gu, Fei Wu, James (Zhan) Chen, Ian (Yichen) Zheng, Yuan Cheng, Hui Zhao
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Patent number: 10344130Abstract: The present invention relates to a polyurethane composite material, comprising a polyurethane resin matrix prepared from a polyurethane composition, and a reinforcement material, wherein the polyurethane composition comprises: A) an isocyanate component comprising one or more organic polyisocyanates; B) an isocyanate-reactive component comprising: b1) one or more organic polyols having an amount of 21-60 wt. % based on 100% by weight of the polyurethane composition; b2) one or more (meth)acrylates comprising hydroxyl groups; and C) a radical reaction initiator; wherein the polyurethane resin matrix is prepared under such reaction conditions that the polyurethane composition undergoes addition polymerization reaction of isocyanate groups and hydroxyl groups and radical polymerization reaction simultaneously. The present invention further relates to the preparation process of the polyurethane composite material.Type: GrantFiled: April 8, 2015Date of Patent: July 9, 2019Assignee: COVESTRO DEUTSCHLAND AGInventors: Guobin Sun, Yongming Gu, Fei Wu, James (Zhan) Chen, Ian (Yichen) Zheng, Yuan Cheng, Hui Zhao
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Patent number: 10203962Abstract: A TigerSharc DSP boot management chip and the method thereof, the boot management chip comprises an interface unit, a two-port RAM unit, a management unit and a DSP download management unit; further comprises a flash drive unit and a NOR flash chip; the management unit is connected to the flash drive unit; the two-port RAM unit is connected to the NOR flash chip via the flash drive unit; and, the NOR flash chip is communicated with the DSP download management unit via the flash drive unit. The management unit provides two booting modes: booting via the NOR flash chip or booting via an external bus; the host boot startup method is improved and two booting program download methods are provides, which can greatly improve the booting speed of the TigerSharc DSP chip.Type: GrantFiled: August 15, 2016Date of Patent: February 12, 2019Assignee: CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE CO., LTD.Inventors: Zhen Li, Guobin Sun, Xiaosong Zhang
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Patent number: 9926419Abstract: The present invention relates to a process for preparing a polyurethane composite material, comprising steps of: I) preparing a premolded polyurethane molding body, wherein the premolded polyurethane molding body is prepared from a polyurethane composition under a condition that isocyanate groups and isocyanate-reactive groups comprised in the polyurethane composition undergo an addition reaction; II) curing the premolded polyurethane molding body to prepare the polyurethane composite material, wherein the premolded polyurethane molding body cures by the radical polymerization of active olefinic bonds. The process of the present application has a lower TVOC value and better processability.Type: GrantFiled: June 26, 2015Date of Patent: March 27, 2018Assignee: COVESTRO DEUTSCHLAND AGInventors: Guobin Sun, Fie Wu, James Zhan Chen, Hui Zhao
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Publication number: 20180072005Abstract: The present application relates to a method for manufacturing fiber-reinforced plastic products. This method comprises: preparing a fiber preform on a mold; disposing first and second flow meshes and first and second demolding cloths; sealing the fiber preform to form a vacuum system by pumping; penetrating the resin through the first peel ply via the first flow mesh and impregnates the fiber preform from bottom to top; penetrating the resin through the second peel ply via the second flow mesh and impregnates the fiber preform from top to bottom; and attaining a resin-impregnated fiber perform and finally attaining fiber-reinforced plastic products.Type: ApplicationFiled: April 6, 2016Publication date: March 15, 2018Inventors: Yongming GU, Yuan CHENG, Yichen ZHENG, Guobin SUN, Shuangyin XIAO
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Publication number: 20180032346Abstract: A TigerSharc DSP boot management chip and the method thereof, the boot management chip comprises an interface unit, a two-port RAM unit, a management unit and a DSP download management unit; further comprises a flash drive unit and a NOR flash chip; the management unit is connected to the flash drive unit; the two-port RAM unit is connected to the NOR flash chip via the flash drive unit; and, the NOR flash chip is communicated with the DSP download management unit via the flash drive unit. The management unit provides two booting modes: booting via the NOR flash chip or booting via an external bus; the host boot startup method is improved and two booting program download methods are provides, which can greatly improve the booting speed of the TigerSharc DSP chip.Type: ApplicationFiled: August 15, 2016Publication date: February 1, 2018Inventors: ZHEN LI, GUOBIN SUN, XIAOSONG ZHANG
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Patent number: 9669732Abstract: The present application relates to the electronic field of railways, and in particular to the traction control system for electric multiple units. A host processor of the traction control system for electric multiple units is connected to a subordinate computer board via a CPCI bus. The traction control system for electric multiple units comprises a fast computing board, a network module and a debugging module. An instruction is passed to the subordinate computer board via the CPCI bus, and meanwhile, the subordinate computer board passes status information to the host processor via the CPCI bus to realize overall control on the interior of the traction control system for electric multiple units. Bidirectional communication between the signal sampling board and the fast computing board is realized by a high-speed differential LinkPort bus to realize quick control on the inverter power module and the four-quadrant power module.Type: GrantFiled: May 20, 2015Date of Patent: June 6, 2017Assignee: CRRC QINGDAO SIFANG ROLLING STOCK RESEARCH INSTITUTE CO., LTD.Inventors: Fengzhao Cui, Yawei Zhang, Guobin Sun, Zhen Li, Hu Cao, Dawei Liang
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Publication number: 20170130019Abstract: The present invention relates to a process for preparing a polyurethane composite material, comprising steps of: I) preparing a premolded polyurethane molding body, wherein the premolded polyurethane molding body is prepared from a polyurethane composition under a condition that isocyanate groups and isocyanate-reactive groups comprised in the polyurethane composition undergo an addition reaction; II) curing the premolded polyurethane molding body to prepare the polyurethane composite material, wherein the premolded polyurethane molding body cures by the radical polymerization of active olefinic bonds. The process of the present application has a lower TVOC value and better processability.Type: ApplicationFiled: June 26, 2015Publication date: May 11, 2017Applicant: Covestro Deutscland AGInventors: Guobin Sun, Fie Wu, James Zhan Chen, Hui Zhao