Patents by Inventor An Yang WU

An Yang WU 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).

  • Patent number: 12180355
    Abstract: The present invention discloses a rubber composition, a processing method thereof, and also a brake fluid-resistant product using the rubber composition and a production method thereof. The rubber composition comprises, in parts by weight, 100 parts of a rubber matrix; 1.5-8 parts of a crosslinking agent 40-140 parts of a reinforcing filler; and 0-40 parts of a plasticizer, wherein the rubber matrix comprises, based on 100 parts by weight of the rubber matrix, a branched polyethylene with a content represented as A, in which 0<A?100 parts; an EPM with a content represented as B, in which 0?B<100 parts; and an EPDM with a content represented as C, in which 0?C<100 parts. The rubber composition is useful in the production of brake fluid-resistant brake rubber hose and brake rubber diaphragm.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: December 31, 2024
    Assignees: HANGZHOU XINGLU TECHNOLOGIES CO., LTD, SHAOXING PINGHE NEW MATERIAL TECHNOLOGY CO., LTD.
    Inventors: Tao Xu, Zhi Sheng Fu, An Yang Wu
  • Patent number: 12173144
    Abstract: The present invention discloses a rubber composition comprising, in parts by weight, 100 parts of a rubber matrix, 1.5 to 9 parts of a crosslinking agent, 0.2 to 9 parts of an assistant crosslinking agent, 40 to 170 parts of a reinforcing filler, 6 to 93 parts of a plasticizer and 3 to 25 parts of a metal oxide. The rubber matrix comprises a branched polyethylene with a content represented as A, in which 0<A?100 parts, an EPM with a content represented as B, in which 0?B<100 parts, and an EPDM with a content represented as C, in which 0?C<100 parts. The present invention provides a rubber composition which is excellent in heat resistance and mechanical properties and is useful in a cover rubber of a conveyor belt.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: December 24, 2024
    Assignees: HANGZHOU XINGLU TECHNOLOGIES CO., LTD, SHAOXING PINGHE NEW MATERIAL TECHNOLOGY CO., LTD.
    Inventors: Tao Xu, Zhi Sheng Fu, An Yang Wu
  • Patent number: 12152134
    Abstract: The present invention discloses a rubber composition. The rubber composition includes a rubber matrix and a crosslinking system. The rubber matrix includes, in parts by weight, the following components: a branched polyethylene with a content represented as A, in which 0<A?100, an EPM with a content represented as B, in which 0?B<100, and an EPDM with a content represented as C, in which 0?C<100. Based on 100 parts by weight of said rubber matrix, the content of the crosslinking system is represented as D: 1?D?15 parts. The crosslinking system includes at least one of a crosslinking agent and an auxiliary crosslinking agent. The branched polyethylene has a degree of branching of not less than 50 branches/1000 carbon atoms, a weight average molecular weight of not less than 50,000, and a Mooney viscosity ML(1+4) at 125° C. of not less than 2.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: November 26, 2024
    Assignees: HANGZHOU XINGLU TECHNOLOGY CO., LTD., SHAOXING PINGHE NEW MATERIAL TECHNOLOGY CO., LTD.
    Inventors: Tao Xu, Zhi Sheng Fu, An Yang Wu
  • Patent number: 12129370
    Abstract: A rubber composition is disclosed and comprises a rubber matrix and essential components. The rubber matrix comprises, based on 100 parts by weight of the rubber matrix, A parts of a branched polyethylene, wherein 0<A<100 parts, and B parts of an EPM and an EPDM, wherein 0<B<100 parts. The essential components comprise, based on 100 parts by weight of the rubber matrix, 1.5-9 parts of a crosslinking agent, and 5-60 parts of a staple fiber. The branched polyethylene comprises an ethylene homopolymer having a degree of branching of from 60 to 105 branches/1000 carbon atoms, a weight average molecular weight of from 268,000 to 518,000, and a Mooney viscosity ML (1+4) at 125° C. of from 42 to 102.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: October 29, 2024
    Assignees: HANGZHOU XINGLU TECHNOLOGY CO., LTD., ZHEJIANG UNIVERSITY
    Inventors: Tao Xu, Zhi Sheng Fu, An Yang Wu
  • Patent number: 12129362
    Abstract: Disclosed by the present invention are an anti-aging polar rubber composition, a processing method therefor and an application thereof. The rubber composition comprises: a rubber matrix and a compounding component. In parts by weight, every 100 parts of the rubber matrix comprise 0-99 parts of highly branched polyethylene P1, 0-100 parts of P2, which is a reactant of the highly branched polyethylene P1 and a polar monomer, 0-50 parts of P3, which is a reactant of a copolymer of ethylene and ?-olefin and a polar monomer, and 0-50 parts of P4, which is a reactant of a binary, ternary or higher multipolymer of mono-olefin and diene monomer and a polar monomer, and the sum of the contents of P1 and P2 is 50-100 parts; and P1 is an ethylene homopolymer with a branched structure, and has a branching degree of not less than 50 branches/1000 carbons; and the compounding component comprises a vulcanization system.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: October 29, 2024
    Assignees: HANGZHOU XINGLU TECHNOLOGY CO., LTD., ZHEJIANG UNIVERSITY
    Inventors: Tao Xu, Zhi Sheng Fu, An Yang Wu
  • Patent number: 12060476
    Abstract: The present invention discloses a rubber composition, a processing method for obtaining the rubber composition, a rubber hose using the rubber composition and a production method thereof. The rubber composition comprises, in parts by weight, 100 parts of a rubber matrix, 1.5-8 parts of a crosslinking agent, 50-200 parts of a reinforcing filler, 10-100 parts of a plasticizer, and also 0.2-8 parts of an auxiliary crosslinking agent, 2-15 parts of a metal oxide, 1-3 parts of a stabilizer and 1-5 parts of polyethylene glycol, wherein, with respect to 100 parts by weight of total amount of said rubber matrix, said rubber matrix comprises a branched polyethylene with a content represented as A, in which 0<A?100 parts, and both an EPM rubber and an EPDM rubber with a total content represented as B, in which 0?B<100 parts. The beneficial effect is that a rubber hose with good mechanical strength can be prepared from the rubber composition provided in the present invention.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: August 13, 2024
    Assignees: HANGZHOU XINGLU TECHNOLOGY CO., LTD., SHAOXING PINGHE NEW MATERIAL TECHNOLOGY CO., LTD.
    Inventors: Tao Xu, Zhi Sheng Fu, An Yang Wu
  • Patent number: 11993703
    Abstract: Disclosed are an aging-resistant rubber composition and methods for processing and use thereof. The rubber composition includes a rubber matrix and compounding components. In parts by weight, every 100 parts of rubber matrix comprise 50-99 parts of a halogenated butyl rubber, 0-50 parts of a highly branched polyethylene P1, and 0-50 parts of P2 obtained by the polarization modification of said highly branched polyethylene P1. The sum of P1 and P2 in parts by weight is 1-50 parts; and the compounding components comprise a vulcanization system.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: May 28, 2024
    Assignees: HANGZHOU XINGLU TECHNOLOGIES CO., LTD., ZHEJIANG UNIVERSITY
    Inventors: Tao Xu, Zhi Sheng Fu, An Yang Wu
  • Patent number: 11634566
    Abstract: The present invention discloses a rubber composition, production method thereof and a rubber product using the same. The rubber composition includes a rubber matrix and essential components. Based on 100 parts by weight of the rubber matrix, the rubber matrix includes a branched polyethylene with a content represented as A, in which 0<A?100, and an EPM and an EPDM with a total content represented as B, in which 0?B<100; and the essential components include 1.5 to 10 parts of a crosslinking agent and 40 to 200 parts of a reinforcing filler. The reinforcing filler includes carbon black and silica and can also include any one or more of calcium carbonate, talcum powder, calcined clay, magnesium silicate, and magnesium carbonate, wherein the content of the carbon black is 5 to 100 parts, and the content of the silica is 5 to 60 parts. The rubber composition is used for producing rubber product with better yield and tear strength and service performance.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: April 25, 2023
    Assignee: HANGZHOU XINGLU TECHNOLOGIES CO., LTD.
    Inventors: Tao Xu, Zhi Sheng Fu, An Yang Wu
  • Patent number: 11499041
    Abstract: The present invention discloses a photo-crosslinked rubber composition and application thereof. The rubber composition comprises a rubber matrix and an initiator. Based on 100 parts by weight of the rubber matrix, the rubber matrix comprises a branched polyethylene with a content represented as A, in which 0<A?100, and an ethylene-propylene rubber with a content represented as B, in which 0?B<100; and the initiator accounts for 0.1-10 parts, and the initiator includes at least one of a cationic photoinitiator and a free radical photoinitiator. In the rubber composition, the ethylene-propylene rubber is partially or completely replaced by the branched polyethylene. The rubber composition can be used for rubber product crosslinked by ultraviolet light, including wire, cable, film, glove, condom, and medical catheter, which achieves excellent elasticity, electrical insulation property, aging resistance and ozone resistance, and also has good mechanical strength.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: November 15, 2022
    Assignee: HANGZHOU XINGLU TECHNOLOGIES CO., LTD.
    Inventors: Tao Xu, Zhi Sheng Fu, An Yang Wu
  • Patent number: 11479661
    Abstract: The present invention discloses a rubber composition, a processing method thereof, and an aging resistant rubber product using the rubber composition. The rubber composition comprises a rubber matrix and essential components, wherein, based on 100 parts by weight of the rubber matrix, the rubber matrix comprises a branched polyethylene with a content represented as A, in which 0<A?100 parts, and an EPM and an EPDM with a content represented as B, in which 0?B<100 parts; and the essential components comprise 1.5-10 parts of a crosslinking agent, 30-200 parts of a reinforcing filler, and 5-250 parts of a plasticizer. The rubber composition provided by present invention has good processability and can be used for producing rubber products with high aging resistance and compression set resistance.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: October 25, 2022
    Assignee: HANGZHOU XINGLU TECHNOLOGIES CO., LTD.
    Inventors: Tao Xu, Zhi Sheng Fu, An Yang Wu
  • Publication number: 20210292519
    Abstract: Disclosed is a rubber composition and a tire using the same. The rubber composition comprises a rubber matrix and a compounding component. In parts by weight, every 100 parts by weight of said rubber matrix comprises 5-95 parts by weight of a branched polyethylene, 5-90 parts by weight of a highly unsaturated diene elastomer and 0-30 parts by weight of a low unsaturated diene elastomer; and said compounding component comprises a vulcanization system and a filler. The rubber composition has good aging resistance and mechanical properties, and can be applied for products such as tires, rubber hoses, rubber tapes and so on, in which the traditional, easily aging diene rubber was commonly used.
    Type: Application
    Filed: June 25, 2019
    Publication date: September 23, 2021
    Applicant: HANGZHOU XINGLU TECHNOLOGIES CO., LTD.
    Inventors: TAO XU, ZHI SHENG FU, AN YANG WU
  • Publication number: 20210292527
    Abstract: Disclosed by the present invention are an anti-aging polar rubber composition, a processing method therefor and an application thereof. The rubber composition comprises: a rubber matrix and a compounding component. In parts by weight, every 100 parts of the rubber matrix comprise 0-99 parts of highly branched polyethylene P1, 0-100 parts of P2, which is a reactant of the highly branched polyethylene P1 and a polar monomer, 0-50 parts of P3, which is a reactant of a copolymer of ethylene and ?-olefin and a polar monomer, and 0-50 parts of P4, which is a reactant of a binary, ternary or higher multipolymer of mono-olefin and diene monomer and a polar monomer, and the sum of the contents of P1 and P2 is 50-100 parts; and P1 is an ethylene homopolymer with a branched structure, and has a branching degree of not less than 50 branches/1000 carbons; and the compounding component comprises a vulcanization system.
    Type: Application
    Filed: June 25, 2019
    Publication date: September 23, 2021
    Applicant: HANGZHOU XINGLU TECHNOLOGIES CO., LTD.
    Inventors: TAO XU, ZHI SHENG FU, AN YANG WU
  • Publication number: 20210292531
    Abstract: Provided are a highly insulated rubber composition, a processing method therefor, and an application thereof. The rubber composition comprises a rubber matrix and compounding components. In parts by weight, every 100 parts of said rubber matrix comprise: 50-95 parts of a chlorinated (and/or chlorosulfonated) polyethylene rubber, 5-50 parts of a highly branched polyethylene, and 0-30 parts of an ethylene propylene rubber; and, the branching degree of the highly branched polyethylene is not lower than 50 branches/1000 carbon atoms. The compounding components contain a vulcanization system. The rubber composition improves the electrical insulation performance of the chlorinated (and/or chlorosulfonated) polyethylene rubber, so that the rubber composition is more suitable for the applications with high requirements for electrical insulation.
    Type: Application
    Filed: June 25, 2019
    Publication date: September 23, 2021
    Applicant: HANGZHOU XINGLU TECHNOLOGIES CO., LTD.
    Inventors: TAO XU, ZHI SHENG FU, AN YANG WU
  • Publication number: 20210292532
    Abstract: Disclosed are an aging-resistant rubber composition and a processing method therefor and use thereof. The rubber composition includes a rubber matrix and compounding components, and in parts by weight, every 100 parts of said rubber matrix comprise 50-99 parts of a halogenated butyl rubber, 0-50 parts of a highly branched polyethylene P1, and 0-50 parts of P2 obtained by the polarization modification of said highly branched polyethylene P1, and the sum of P1 and P2 in parts by weight is 1-50 parts; and said compounding components comprise a vulcanization system.
    Type: Application
    Filed: June 25, 2019
    Publication date: September 23, 2021
    Applicant: HANGZHOU XINGLU TECHNOLOGIES CO., LTD.
    Inventors: TAO XU, ZHI SHENG FU, AN YANG WU
  • Publication number: 20200332104
    Abstract: The present invention discloses a rubber composition, a processing method thereof, and also a brake fluid-resistant product using the rubber composition and a production method thereof. The rubber composition comprises, in parts by weight, 100 parts of a rubber matrix; 1.5-8 parts of a crosslinking agent 40-140 parts of a reinforcing filler; and 0-40 parts of a plasticizer, wherein the rubber matrix comprises, based on 100 parts by weight of the rubber matrix, a branched polyethylene with a content represented as A, in which 0<A?100 parts; an EPM with a content represented as B, in which 0?B<100 parts; and an EPDM with a content represented as C, in which 0?C<100 parts. The rubber composition is useful in the production of brake fluid-resistant brake rubber hose and brake rubber diaphragm.
    Type: Application
    Filed: January 12, 2018
    Publication date: October 22, 2020
    Applicant: HANGZHOU XINGLU TECHNOLOGIES CO., LTD
    Inventors: Tao XU, Zhi Sheng FU, An Yang WU
  • Publication number: 20200123354
    Abstract: The present invention discloses a rubber composition, production method thereof and a rubber product using the same. The rubber composition includes a rubber matrix and essential components. Based on 100 parts by weight of the rubber matrix, the rubber matrix includes a branched polyethylene with a content represented as A, in which 0<A?100, and an EPM and an EPDM with a total content represented as B, in which 0?B<100; and the essential components include 1.5 to 10 parts of a crosslinking agent and 40 to 200 parts of a reinforcing filler. The reinforcing filler includes carbon black and silica and can also include any one or more of calcium carbonate, talcum powder, calcined clay, magnesium silicate, and magnesium carbonate, wherein the content of the carbon black is 5 to 100 parts, and the content of the silica is 5 to 60 parts. The rubber composition is used for producing rubber product with better yield and tear strength and service performance.
    Type: Application
    Filed: January 12, 2018
    Publication date: April 23, 2020
    Applicant: HANGZHOU XINGLU TECHNOLOGIES CO., LTD
    Inventors: Tao XU, Zhi Sheng FU, An Yang WU
  • Publication number: 20200123362
    Abstract: The present invention discloses a rubber composition, a processing method thereof, and a foamed rubber product produced by the rubber composition and a production method thereof. The rubber composition comprises a rubber matrix and essential components, wherein, based on 100 parts by weight of the rubber matrix, the rubber matrix comprises a branched polyethylene with a content represented as A, in which 0<A?100 parts; and an EPM and an EPDM with a total content represented as B, in which 0?B<100 parts, and the essential components comprises 0.5-10 parts of a crosslinking agent, and 1.5-25 parts of a foaming agent. The rubber composition is useful in the production of sponge seal strip, foamed rubber compound of high expansion ratio, shock absorbing foamed rubber sheet, light-colored high-strength foamed sheet, foam-solid composite seal strip, and solid cycle tires internally filled with foamed elastomer.
    Type: Application
    Filed: January 12, 2018
    Publication date: April 23, 2020
    Applicant: HANGZHOU XINGLU TECHNOLOGIES CO., LTD
    Inventors: Tao XU, Zhi Sheng FU, An Yang WU
  • Publication number: 20200123353
    Abstract: The present invention discloses a rubber composition, a processing method for obtaining the rubber composition, a rubber hose using the rubber composition and a production method thereof. The rubber composition comprises, in parts by weight, 100 parts of a rubber matrix, 1.5-8 parts of a crosslinking agent, 50-200 parts of a reinforcing filler, 10-100 parts of a plasticizer, and also 0.2-8 parts of an auxiliary crosslinking agent, 2-15 parts of a metal oxide, 1-3 parts of a stabilizer and 1-5 parts of polyethylene glycol, wherein, with respect to 100 parts by weight of total amount of said rubber matrix, said rubber matrix comprises a branched polyethylene with a content represented as A, in which 0<A?100 parts, and both an EPM rubber and an EPDM rubber with a total content represented as B, in which 0?B<100 parts. The beneficial effect is that a rubber hose with good mechanical strength can be prepared from the rubber composition provided in the present invention.
    Type: Application
    Filed: January 12, 2018
    Publication date: April 23, 2020
    Applicant: HANGZHOU XINGLU TECHNOLOGIES CO., LTD
    Inventors: Tao XU, Zhi Sheng FU, An Yang WU
  • Publication number: 20190367717
    Abstract: The present invention discloses a rubber composition comprising, in parts by weight, 100 parts of a rubber matrix, 1.5 to 9 parts of a crosslinking agent, 0.2 to 9 parts of an assistant crosslinking agent, 40 to 170 parts of a reinforcing filler, 6 to 93 parts of a plasticizer and 3 to 25 parts of a metal oxide. The rubber matrix comprises a branched polyethylene with a content represented as A, in which 0<A?100 parts, an EPM with a content represented as B, in which 0?B<100 parts, and an EPDM with a content represented as C, in which 0?C<100 parts. The present invention provides a rubber composition which is excellent in heat resistance and mechanical properties and is useful in a cover rubber of a conveyor belt.
    Type: Application
    Filed: January 12, 2018
    Publication date: December 5, 2019
    Applicant: HANGZHOU XINGLU TECHNOLOGIES CO., LTD
    Inventors: Tao XU, Zhi Sheng FU, An Yang WU
  • Publication number: 20190359810
    Abstract: The present invention discloses a rubber composition, and use of the rubber composition. The rubber composition comprises, in parts by weight, 100 parts of a rubber matrix, 1.5-9 parts of a crosslinking agent, and 5-60 parts of a staple fiber, and further comprises 0.3-15 parts of an auxiliary crosslinking agent, 3-25 parts of a metal oxide, 3-90 parts of a plasticizer, 30-100 parts of a reinforcing filler, 1-3 parts of a stabilizer, and 3-20 parts of a metal salt of an unsaturated carboxylic acid. The rubber matrix comprises, based on 100 parts by weight of the rubber matrix, a branched polyethylene with a content represented as A, in which 0<A?100 parts, an EPM and an EPDM with a content represented as B, in which 0?B<100 parts.
    Type: Application
    Filed: January 12, 2018
    Publication date: November 28, 2019
    Applicant: HANGZHOU XINGLU TECHNOLOGIES CO., LTD
    Inventors: Tao XU, Zhi Sheng FU, An Yang WU