Patents by Inventor Dake Shen

Dake Shen 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: 11072698
    Abstract: The invention relates to a composition comprising (A) a propylene-based polymer, (B) an elastomer of ethylene and ?-olefin comonomer having 4 to 10 carbon atoms and (C) an inorganic filler, wherein (A) the propylene-based polymer has a melt flow index of 60 to 150 dg/min measured according to ASTM D1238 (2.16 kg/230° C.) and wherein (B) the elastomer has a density of 0.840 to 0.865 g/cm3, wherein (B) the elastomer has a melt flow index of 3 to 13 dg/min measured in accordance with ASTM D1238 using a 2.16 kg weight and at a temperature of 190° C., wherein the amount of (B) the elastomer is 2 to 30 wt % based on the total composition, wherein the amount of (C) the inorganic filler is 0.1 to 30 wt % based on the total composition.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: July 27, 2021
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Ting Huang, Kai Guo, Yang Fu, Ji Zhou, Dake Shen, Maria Soliman
  • Publication number: 20210122906
    Abstract: The invention relates to a composition comprising (A) a propylene-based polymer, (B) an elastomer of ethylene and ?-olefin comonomer having 4 to 10 carbon atoms and (C) an inorganic filler, wherein (A) the propylene-based polymer has a melt flow index of 60 to 150 dg/min measured according to ASTM D1238 (2.16 kg/230° C.) and wherein (B) the elastomer has a density of 0.840 to 0.865 g/cm3, wherein (B) the elastomer has a melt flow index of 3 to 13 dg/min measured in accordance with ASTM D1238 using a 2.16 kg weight and at a temperature of 190° C., wherein the amount of (B) the elastomer is 2 to 30 wt % based on the total composition, wherein the amount of (C) the inorganic filler is 0.1 to 30 wt % based on the total composition.
    Type: Application
    Filed: August 2, 2018
    Publication date: April 29, 2021
    Inventors: Ting Huang, Kai Guo, Yang Fu, Ji Zhou, Dake Shen, Maria Soliman
  • Patent number: 10240039
    Abstract: The disclosure concerns blended thermoplastic compositions comprising (a) from about 50 wt % to about 80 wt % of a polycarbonate component; (b) from greater than 0 wt % to about 12 wt % of an impact modifier component; (c) from about 10 wt % to about 40 wt % of a filler; and (d) from about 5 wt % to about 15 wt % of a flame retardant component comprising an oligomeric phosphate ester, wherein the oligomeric phosphate ester is a free flowing powder at 23° C.; wherein the blended thermoplastic composition has a ductility of 100% at 10° C. when measured by a Notched Izod Impact test performed according to ASTM D256; wherein the combined weight percent value of all components does not exceed 100 wt %; and wherein all weight percent values are based on the total weight of the composition.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: March 26, 2019
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Ying Li, Huanbing Wang, Pei Helen Sun, Hontao Shi, Dake Shen
  • Publication number: 20190048185
    Abstract: This disclosure relates to halogen-free flame retardant polycarbonate/thermoplastic polyester molding compositions with improved mechanical properties and increased polyester loading level. More particularly, the disclosure relates to halogen-free polycarbonate/thermoplastic polyester resin alloys with polymeric phosphorus flame retardant additive and siloxane impact modifier. Also included are methods for preparing such compositions and articles there from.
    Type: Application
    Filed: October 19, 2018
    Publication date: February 14, 2019
    Inventors: Tianhua Ding, Dake Shen, Hongtao Shi, Lin Chen
  • Patent number: 10179854
    Abstract: A polymer composition includes 15 to 60 wt %, preferably 20 to 56 wt % of a polycarbonate; 30 to 60 wt %, preferably 28 to 50 wt % of a poly(1,4-cyclohexanedimethylene terephthalate); 0.05 to 35 wt %, preferably 0.1 to 30 wt % of a poly(carbonate-siloxane); 0.5 to 18 wt %, preferably 1 to 13 wt % of a thermoplastic poly(ester-ether) copolymer, preferably comprising poly(butylene terephthalate) blocks and poly(oxyC1-C4 alkylene units); and 0.5 to 8 wt % of ethylene-alkyl (meth)acrylate copolymer, wherein alkyl is a C1-C4 straight chain, unsaturated hydrocarbon group; wherein the weight percentages are based on the total weight of the polymer composition. A method of manufacturing an article including the steps of melt blending the components of the polycarbonate composition is described. An article prepared by the method is also described.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: January 15, 2019
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Yagang Chen, Bing Guan, Lin Chen, Dake Shen
  • Patent number: 10174182
    Abstract: Compositions containing a polycarbonate and a linear and cyclic phenyl containing siloxanes are disclosed. Specifically, a composition comprising: (a) a branched polycarbonate resin, (b) a flame retardant, (c) at least one linear phenyl containing siloxane and at least one cyclic phenyl containing siloxane, and (d) a linear polycarbonate resin when said branched polycarbonate is less than 100% based upon weight percent of total polycarbonate in said composition, wherein the amounts of said branched and linear polycarbonate resins, said linear siloxanes and cyclic siloxanes, and flame retardant are in amounts effective to provide a molded article from said composition with a UL94 V0 p(FTP) value of 0.90 or greater at a thickness of between 1 mm and 2.5 mm or at 2.5 mm or at 1.5 mm or at 1 mm is disclosed.
    Type: Grant
    Filed: November 15, 2010
    Date of Patent: January 8, 2019
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Narong An, Yu Ren, Dake Shen, Yaming Niu
  • Patent number: 10030139
    Abstract: A polymer composition includes: about 20 wt % to about 80 wt % of a polycarbonate polymer; about 1 wt % to about 20 wt % of a polycarbonate-siloxane copolymer; about 15 wt % to about 35 wt % of a reinforcing filler having a tensile modulus of at least about 150 GPa; and about 4 wt % to about 20 wt % of a flame retardant comprising phosphorous. The polymer composition demonstrates a flexural modulus in an amount equal to or greater than about 10 GPa. Methods of forming a polymer composition and blended thermoplastic compositions are also described.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: July 24, 2018
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Paul Michael Atkinson, Xiaoyu Sun, Ying Li, Pei Sun, Dake Shen, Huanbing Wang, Hongtao Shi
  • Publication number: 20170369702
    Abstract: The disclosure concerns blended thermoplastic compositions comprising (a) from about 50 wt % to about 80 wt % of a polycarbonate component; (b) from greater than 0 wt % to about 12 wt % of an impact modifier component; (c) from about 10 wt % to about 40 wt % of a filler; and (d) from about 5 wt % to about 15 wt % of a flame retardant component comprising an oligomeric phosphate ester, wherein the oligomeric phosphate ester is a free flowing powder at 23° C.; wherein the blended thermoplastic composition has a ductility of 100% at 10° C. when measured by a Notched Izod Impact test performed according to ASTM D256; wherein the combined weight percent value of all components does not exceed 100 wt %; and wherein all weight percent values are based on the total weight of the composition.
    Type: Application
    Filed: December 21, 2015
    Publication date: December 28, 2017
    Inventors: Ying LI, Huanbing WANG, Pei Helen SUN, Hontao SHI, Dake SHEN
  • Publication number: 20170362731
    Abstract: Disclosed are platable resin compositions for use in, for example, metal plating of plastics. The resin compositions include polycarbonate, acrylonitrile butadiene styrene and a filler, and may exclude a laser direct structuring additive. The compositions possess markedly improved characteristics, such as notched IZOD impact, flex modulus, and peel strength. Also disclosed are methods for plating metal on a substrate that is formed from the present resin compositions, as well as articles that include the disclosed compositions.
    Type: Application
    Filed: December 21, 2015
    Publication date: December 21, 2017
    Applicant: SABIC Global Technologies B.V.
    Inventors: Huanbing WANG, Pei Helen SUN, Dake SHEN, Yangang YAN, Xiaofeng YU
  • Publication number: 20170313876
    Abstract: A polymer composition includes: about 20 wt % to about 80 wt % of a polycarbonate polymer; about 1 wt % to about 20 wt % of a polycarbonate-siloxane copolymer; about 15 wt % to about 35 wt % of a reinforcing filler having a tensile modulus of at least about 150 GPa; and about 4 wt % to about 20 wt % of a flame retardant comprising phosphorous. The polymer composition demonstrates a flexural modulus in an amount equal to or greater than about 10 GPa. Methods of forming a polymer composition and blended thermoplastic compositions are also described.
    Type: Application
    Filed: July 17, 2017
    Publication date: November 2, 2017
    Inventors: Paul Michael ATKINSON, Xiaoyu SUN, Ying LI, Pei SUN, Dake SHEN, Huanbing WANG, Hongtao SHI
  • Patent number: 9790363
    Abstract: A composition includes specific amounts of an aromatic polycarbonate, a block polycarbonate-polysiloxane, a poly(alkylene terephthalate), a block polyestercarbonate, and an organophosphate ester. Relative to a corresponding composition lacking the block polyestercarbonate, the composition exhibits improved solvent resistance while substantially maintaining impact strength, melt flow, and flame retardancy. The composition is useful for fabricating articles that may come into contact with liquid chemicals or chemical vapors.
    Type: Grant
    Filed: February 13, 2015
    Date of Patent: October 17, 2017
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Lin Chen, Bing Guan, Huanbing Wang, Dongbo Xing, Shun Wan, Dake Shen
  • Publication number: 20170247539
    Abstract: A composition includes specific amounts of an aromatic polycarbonate, a polycarbonate-polysiloxane block copolymer, a poly(alkylene terephthalate), a flame retardant, and a drip retardant. The flame retardant includes an oligomeric or polymeric bis(aryloxy)phosphazene in combination with an organophosphine oxide, an oligomeric or polymeric aromatic phosphonate, or a combination thereof. The composition is useful for fabricating parts for electrical and electronic devices.
    Type: Application
    Filed: September 25, 2015
    Publication date: August 31, 2017
    Inventors: Lin Chen, Hongtao Shi, Shun Wan, Dake Shen
  • Patent number: 9732217
    Abstract: Disclosed herein are methods and compositions of blended polycarbonate resins with improved flame resistance and impact strength. The resulting compositions can be used in the manufacture of articles while still retaining the advantageous physical properties of blended polycarbonate compositions with improved flame resistance and impact strength. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.
    Type: Grant
    Filed: August 23, 2012
    Date of Patent: August 15, 2017
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Shun Wan, Dake Shen, Yaming Niu, Ying Xi
  • Patent number: 9725594
    Abstract: The invention concerns polymer compositions comprising 20-80 weight percent polycarbonate polymer, 15-40 weight percent filler and 4-20% flame retardant and articles comprising same.
    Type: Grant
    Filed: September 19, 2014
    Date of Patent: August 8, 2017
    Assignee: SABIC Global Technologies B.V.
    Inventors: Paul Michael Atkinson, Xiaoyu Sun, Ying Li, Pei Sun, Dake Shen, Huanbing Wang, Hongtao Shi
  • Publication number: 20170121521
    Abstract: A polyester composition includes specific amounts of a poly(alkylene terephthalate), an impact modifier, glass fibers, and a flame retardant. The impact modifier includes a polyolefin elastomer, optionally in combination with a thermoplastic polyester elastomer. The flame retardant includes a metal dialkylphosphinate, a melamine based flame retardant, and a flame retardant synergist that can be an organophosphine oxide, an oligomeric or polymeric bis(phenoxy)phosphazene, an organophosphate ester, or a combination thereof. The composition is useful for fabricating parts for electrical and electronic devices.
    Type: Application
    Filed: March 18, 2015
    Publication date: May 4, 2017
    Inventors: Tianhua Ding, Ying Xi, Lin Chen, Hongtao Shi, Dake Shen
  • Publication number: 20170002195
    Abstract: Disclosed herein are flame retardant polyalkylene terephthalate compositions that employ reduced amounts of organo-halide as flame retardants (FR), wherein the composition comprises: (a) a polyalkylene terephthalate; (b) an organo-bromo flame retardant (FR) agent; (c) an antimony synergist; (d) an organo phosphate ester phosphorous flame retardant compound; (e) talc; and (f) sodium or potassium carbonate. In addition to being characterized by the presence of a phosphorous containing flame retardant compound and sodium or potassium carbonate, the compositions of the present inventions contain reduced amounts of organo-bromo FR agent and/or antimony FR synergist and have excellent flame retardant properties.
    Type: Application
    Filed: January 26, 2015
    Publication date: January 5, 2017
    Inventors: Zhenke Wei, Hongtao Shi, Dake Shen, Yegang Lin
  • Publication number: 20160362549
    Abstract: A composition includes specific amounts of an aromatic polycarbonate, a block polycarbonate-polysiloxane, a poly(alkylene terephthalate), a block polyestercarbonate, and an organophosphate ester. Relative to a corresponding composition lacking the block polyestercarbonate, the composition exhibits improved solvent resistance while substantially maintaining impact strength, melt flow, and flame retardancy. The composition is useful for fabricating articles that may come into contact with liquid chemicals or chemical vapors.
    Type: Application
    Filed: February 13, 2015
    Publication date: December 15, 2016
    Inventors: Lin Chen, Bing Guan, Huanbing Wang, Dongbo Xing, Shun Wan, Dake Shen
  • Publication number: 20160340507
    Abstract: This disclosure relates to halogen-free flame retardant polycarbonate/thermoplastic polyester molding compositions with improved mechanical properties and increased polyester loading level. More particularly, the disclosure relates to halogen-free polycarbonate/thermoplastic polyester resin alloys with polymeric phosphorus flame retardant additive and siloxane impact modifier. Also included are methods for preparing such compositions and articles there from.
    Type: Application
    Filed: January 26, 2015
    Publication date: November 24, 2016
    Inventors: Tianhua Ding, Dake Shen, Hongtao Shi, Lin Chen
  • Publication number: 20160312025
    Abstract: The invention concerns polymer compositions comprising 20-80 weight percent polycarbonate polymer, 15-40 weight percent filler and 4-20% flame retardant and articles comprising same.
    Type: Application
    Filed: September 19, 2014
    Publication date: October 27, 2016
    Inventors: Paul Michael ATKINSON, Xiaoyu SUN, Ying LI, Pei SUN, Dake SHEN, Huanbing WANG, Hongtao SHI
  • Patent number: 9458315
    Abstract: Described herein is a thermoplastic composition comprising a polycarbonate, a mineral filler, inorganic acid or acid salt, an anti-drip agent, and a flame retardant comprising a perfluoroalkyl sulfonate salt or a combination of an aromatic phosphate ester and a polycarbonate-siloxane block copolymer.
    Type: Grant
    Filed: August 25, 2009
    Date of Patent: October 4, 2016
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Ying Li, Yuzhen Xu, Niles Rosenquist, Jian Yang, Dake Shen