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公开(公告)号：US12291597B2
公开(公告)日：2025-05-06
申请号：US17766627
申请日：2020-10-13
Applicant: BASF SE
Inventor： Chao Liu , Qiong Jie Han , Roland Helmut Kraemer , Zhen Ke Wei
Abstract: The present invention relates to a polybutylene terephthalate composition, and an article derived from the polybutylene terephthalate composition comprising as component (A) polybutylene terephthalate (PBT) resin, as component (B) vinyl aromatic-based polymer comprising units which are derived from vinyl aromatic monomers, and as component (C) reinforcement agent.
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公开(公告)号：US20240301162A1
公开(公告)日：2024-09-12
申请号：US18558431
申请日：2022-04-27
Applicant: BASF SE
Inventor： Li Xia Wang , Zhen Ke Wei , Tao Liu , Li Rong He
CPC classification number: C08K3/041 , C08K7/14 , C08K2201/001 , C08K2201/011
Abstract: The present invention relates to a polybutylene terephthalate composition, comprising (A) 40 to 99.8% by weight of polybutylene terephthalate, (B) 0.2 to 10% by weight of at least one conductive filler selected from the group consisting of carbon nanotubes, carbon nanostructures, and a combination thereof, and (C) 0 to 50% by weight of glass fiber, each being based on the total weight of the poly butylene terephthalate composition, wherein the carbon nanostructures each comprise a plurality of carbon nanotubes which are branched, crosslinked, and/or sharing common walls with one another. The present invention also relates to an EMI shielding article produced from the polybutylene terephthalate composition.
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公开(公告)号：US20240059871A1
公开(公告)日：2024-02-22
申请号：US18269586
申请日：2021-12-10
Applicant: BASF SE
Inventor： Zhen Ke Wei , Li Rong He , Tao Liu , Li Xia Wang
CPC classification number: C08K9/08 , C08K3/04 , H05K9/0081 , H05K9/006
Abstract: The present invention relates to a polybutylene terephthalate composition, comprising (A) 45 to 75% by weight of polybutylene terephthalate, (B) 20 to 45% by weight of at least one carbon fiber, (C) 0 to 20% by weight of at least one solid filler other than the carbon fiber (B), and (D) 0 to 30% by weight of at least one thermoplastic polyester other than polybutylene terephthalate, each being based on the total weight of the polybutylene terephthalate composition, wherein the at least one carbon fiber has a carbon content of 93% by weight or greater, and comprises a sizing agent other than epoxy sizing agent. The present invention also relates to an EMI shielding article produced from the polybutylene terephthalate composition.
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Patent Agency Ranking
公开(公告)号：US20240076444A1
公开(公告)日：2024-03-07
申请号：US17766627
申请日：2020-10-13
Applicant: BASF SE
Inventor： Chao Liu , Qiong Jie Han , Roland Helmut Kraemer , Zhen Ke Wei
IPC: C08G63/183 , C08K7/14 , C08K7/28 , C08L25/14 , C08L55/02
CPC classification number: C08G63/183 , C08K7/14 , C08K7/28 , C08L25/14 , C08L55/02 , C08L2203/20 , C08L2205/025 , C08L2205/03 , C08L2207/53
Abstract: The present invention relates to a polybutylene terephthalate composition, and an article derived from the polybutylene terephthalate composition comprising as component (A) polybutylene terephthalate (PBT) resin, as component (B) vinyl aromatic-based polymer comprising units which are derived from vinyl aromatic monomers, and as component (C) reinforcement agent.
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公开(公告)号：US20230416523A1
公开(公告)日：2023-12-28
申请号：US18035953
申请日：2021-11-12
Applicant: BASF SE
Inventor： Rui Dou , Zhen Ke Wei , Ping Li
Abstract: The invention discloses a polybutylene terephthalate composition comprising as component (A) polybutylene terephthalate resin in an amount of from 40 wt % to 90 wt %, as component (B) glass fiber having low dielectric constant and dissipation factor measured according to GB 9534-88 in an amount of 10 wt % to 60 wt %. The invention also disclosed a radar device component containing the polybutylene terephthalate composition.
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公开(公告)号：US20250154352A1
公开(公告)日：2025-05-15
申请号：US18838642
申请日：2023-02-06
Applicant: BASF SE
Inventor： Zhen Ke Wei , Qiong Jie Han , Li Xia Wang , Xi Lin
Abstract: Disclosed is a polybutylene terephthalate composition, comprising polybutylene terephthalate (PBT); amorphous polymer, in which the amorphous polymer has a refractive index of at least 1.55, and does not comprise carbonate group; alkali metal carbonate and/or bicarbonate; optionally glass fiber; and optionally additives. This polybutylene terephthalate composition exhibits greatly enhanced LT, in the meantime, balanced other properties are retained comparing with polybutylene terephthalate composition without such carbonate and/or bicarbon.
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公开(公告)号：US12129375B2
公开(公告)日：2024-10-29
申请号：US17767128
申请日：2020-10-13
Applicant: BASF SE
Inventor： Zhen Ke Wei , Qiong Jie Han , Chao Liu , Roland Helmut Kraemer , Dai Watanabe , Zhenguo Liu
IPC: C08L67/02
CPC classification number: C08L67/02 , C08L2205/02 , C08L2205/03
Abstract: The present invention relates to a polybutylene terephthalate composition, comprising as component (A) polybutylene terephthalate (PBT) resin, as component (B) polyester copolymer with melting point from 105° C. to 185° C., as component (C) vinyl-based polymer, and optionally as component (D) glass bubbles. The present invention also relates to a composite of plastic/metal hybrid, which comprises metal article and the polybutylene terephthalate composition of the present invention which is joined to and integrated with the metal article.
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公开(公告)号：US20220372275A1
公开(公告)日：2022-11-24
申请号：US17767128
申请日：2020-10-13
Applicant: BASF SE
Inventor： Zhen Ke Wei , Qiong Jie Han , Chao Liu , Roland Helmut Kraemer , Dai Watanabe , Zhenguo Liu
IPC: C08L67/02
Abstract: The present invention relates to a polybutylene terephthalate composition, comprising as component (A) polybutylene terephthalate (PBT) resin, as component (B) polyester copolymer with melting point from 105° C. to 185° C., as component (C) vinyl-based polymer, and optionally as component (D) glass bubbles. The present invention also relates to a composite of plastic/metal hybrid, which comprises metal article and the polybutylene terephthalate composition of the present invention which is joined to and integrated with the metal article.
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