公开(公告)号：US12037494B2

公开(公告)日：2024-07-16

申请号：US17217625

申请日：2021-03-30

Applicant: Beijing University of Chemical Technology ,  Peking University Hospital of Stomatology

Inventor： Jichuan Zhang ,  Mengjie Dong ,  Li Liu ,  Xiubo Qu ,  Xiaoyan Wang ,  Chongyang Yuan ,  Yang Yu

IPC: C08F2/46 ,  C08F2/50 ,  C08G61/04 ,  C08K3/04 ,  C08L9/10 ,  C08K3/22

CPC classification number: C08L9/10 ,  C08K3/041 ,  C08K2003/2296 ,  C08K2201/003 ,  C08K2201/004 ,  C08K2201/005

Abstract: The present disclosure relates to gutta-percha containing carbon nanotubes and a preparation method therefor. The gutta-percha is prepared by mixing a raw material, prepared from the following components of eucommia ulmoide gum, zinc oxide and carbon nanotubes, and extruding the mixed raw material. An orientation factor of the carbon nanotubes in the gutta-percha is greater than 10.8. The preparation method comprises: mixing the components according to dosages, and extruding a mixed product to prepare the gutta-percha containing carbon nanotubes.

公开(公告)号：US20240194984A1

公开(公告)日：2024-06-13

申请号：US18286674

申请日：2022-04-18

Applicant: Mitsubishi Chemical Corporation

Inventor： Nobuaki Takata ,  Akihiro Yano ,  Hideyuki Shiraku ,  Kazunori Kawahara

IPC: H01M50/122 ,  C08J5/04 ,  C08K3/22 ,  C08K5/52 ,  C08K7/04 ,  C08K7/14 ,  C08L23/12 ,  H01M50/383

CPC classification number: H01M50/122 ,  C08J5/041 ,  C08J5/043 ,  C08K3/22 ,  C08K5/5205 ,  C08K7/04 ,  C08K7/14 ,  C08L23/12 ,  H01M50/383 ,  C08J2323/12 ,  C08K2003/2296 ,  C08K2201/004 ,  C08L2201/02 ,  C08L2205/025

Abstract: Provided is a stampable sheet containing (A) a thermoplastic resin, (B) a flame retardant, (C) a dispersant, and (D) an inorganic fiber, wherein the content of the (D) inorganic fiber is 1 to 80% by mass based the total weight, and based on 100 parts by mass of the (B) flame retardant, the content of the (C) dispersant is more than 0 and 25 parts by mass or less. According to the present invention, it is possible to provide a stampable sheet which is excellent in strength, rigidity and flame shielding performance, and which is also excellent in workability such as stamping molding.

公开(公告)号：US20240150577A1

公开(公告)日：2024-05-09

申请号：US18278430

申请日：2021-12-16

Applicant: DIC Corporation

Inventor： Kunito Kurata ,  Masashi Kunishige ,  Nobuyuki Matsumoto ,  Tomomichi Kanda ,  Hiroaki Negishi

IPC: C08L81/02 ,  C08K3/26 ,  C08K5/5435 ,  C08K5/544 ,  C08K7/14 ,  C08K9/08

CPC classification number: C08L81/02 ,  C08K3/26 ,  C08K5/5435 ,  C08K5/544 ,  C08K7/14 ,  C08K9/08 ,  C08K2003/265 ,  C08K2201/003 ,  C08K2201/004 ,  C08L2203/30

Abstract: It is desirable to provide a polyarylene sulfide resin composition excellent in resistance to heat and humidity and moldability without deteriorating physical properties such as mechanical strength. More specifically, the present invention is characterized by including a polyarylene sulfide resin, glass fibers having been subjected to surface treatment with a sizing agent including an epoxy resin and a polyether resin, and a silane coupling agent having a functional group, in which the total content of the epoxy resin and the polyether resin in the sizing agent is 65% to 100% by mass, and the isothermal crystallization time is 9 seconds or shorter.

公开(公告)号：US11920034B2

公开(公告)日：2024-03-05

申请号：US17287957

申请日：2019-10-22

Applicant: BASF SE

Inventor： Gilles Robert ,  Tae-Kyun Kim ,  Weibing Wang ,  Franco Speroni

IPC: C08L77/02 ,  B29C45/00 ,  C08K3/40 ,  C08K7/14 ,  B29K77/00 ,  B29K309/08

CPC classification number: C08L77/02 ,  B29C45/0001 ,  B29C45/0005 ,  C08K3/40 ,  C08K7/14 ,  B29K2077/00 ,  B29K2309/08 ,  C08K2201/004

Abstract: Described herein is a polyamide composition (P) including specific flat glass fibres (B) with elongated shape having a non-circular cross-sectional area. The polyamide composition (P) is advantageously used for the production of molded parts. Also described herein is a method of using molded parts obtainable by molding of the polyamide composition (P) to produce mechanical parts. The molded parts are characterized by having improved fatigue resistance properties. Also described herein is a polyamide composition (P) including PA 6.6 as polyamide (A) and flat glass fibres (B).

公开(公告)号：US20230303754A1

公开(公告)日：2023-09-28

申请号：US18021584

申请日：2021-08-23

Applicant: Dow Global Technologies LLC

Inventor： Paolo Diena ,  Thomas Mosciatti ,  Andrea Benvenuti

IPC: C08G18/12 ,  C08K7/14 ,  C08G18/32 ,  C08K3/26

CPC classification number: C08G18/12 ,  C08K7/14 ,  C08G18/3281 ,  C08K3/26 ,  C08K2201/003 ,  C08K2201/004 ,  C08K2003/265

Abstract: Rigid polyurethanes and composites are made from a reaction mixture containing an aromatic polyisocyanate and a mixture of polyols. The mixture of polyols has an average hydroxyl equivalent weight of 125 to 275 and an average hydroxyl funtionality of 2.5 to 4 hydroxyl groups per molecule. 5 to 33% of the weight of the mixture of polyols is triisopropanolamine. Rigid polyurethanes made from such a reaction mixture have excellent dimensional stability, even when cured at or near room temperature.

公开(公告)号：US11751368B2

公开(公告)日：2023-09-05

申请号：US17183379

申请日：2021-02-24

Applicant: Nippon Steel Chemical & Material Co., Ltd. ,  Mazda Motor Corporation

Inventor： Toshiaki Miyanaga ,  Kazuhisa To ,  Nobuyoshi Kajioka ,  Junichi Ogawa ,  Kenji Hiramoto

IPC: C08K3/04 ,  H05K9/00 ,  C08K7/06 ,  C08K13/04

CPC classification number: H05K9/009 ,  C08K3/04 ,  C08K7/06 ,  C08K13/04 ,  C08K2201/001 ,  C08K2201/003 ,  C08K2201/004 ,  C08K2201/005 ,  C08K2201/014 ,  C08K2201/016

Abstract: The electrically conductive resin composition may contain matrix resin, coke powder, and carbon fiber. The volume mean particle diameter of the coke powder may be not less than 1 μm and not more than 500 μm. The content percentage of the coke powder in the electrically conductive resin composition may be not less than 1 wt % and not more than 60 wt %. The aspect ratio of the carbon fiber may be not less than 3 and not more than 1700. The content percentage of the carbon fiber in the electrically conductive resin composition may be not less than 0.5 wt % and not more than 10 wt %.

公开(公告)号：US20230257508A1

公开(公告)日：2023-08-17

申请号：US17739176

申请日：2022-05-09

Applicant: SHAOXING-KEQIAO INSTISUTE OF ZHEJIANG SCI-TECH UNIVERSITY CO., LTD. ,  ZHEJIANG SCI-TECH UNIVERSITY

Inventor： Dongming QI ,  Zhichao HUANG ,  Qianjun TIAN ,  Lin WANG ,  Chenghai LIU

IPC: C08G18/75 ,  C08G18/24 ,  C08G18/48 ,  C08G18/42 ,  C08G18/40 ,  C08G18/38 ,  C08G18/66 ,  C08K3/04 ,  C08K7/18 ,  H01B1/24

CPC classification number: C08G18/755 ,  C08G18/246 ,  C08G18/4854 ,  C08G18/4277 ,  C08G18/4018 ,  C08G18/3897 ,  C08G18/6666 ,  C08K3/041 ,  C08K7/18 ,  H01B1/24 ,  C08K2201/001 ,  C08K2201/011 ,  C08K2201/005 ,  C08K2201/006 ,  C08K2201/003 ,  C08K2201/004 ,  B82Y30/00

Abstract: An environmentally-friendly flexible conductive polyurethane (PU) and a preparation method thereof are disclosed. The environmentally-friendly flexible conductive PU is prepared by subjecting a mixture of a component A and a component B in a specified mass ratio to in-situ solvent-free polymerization, where the component A is prepared from a polyol, a T-type chain extender, a diselenide diol, high-conductivity carbon black, a dispersing agent, a catalyst, and a leveling agent, and the component B is prepared from a polyisocyanate, a polyol, a multi-walled carbon nanotube (MWCNT), and a dispersing agent. The PU has a reliable electrically-conductive function, and shows a self-healing function under room temperature or light conditions when damaged, wherein a microphase separation value HBI (0.5 to 3.0) of soft and hard segment molecules can be adjusted to achieve different hand touches and different mechanical properties, and an organic pollutant emission (volatile organic compound (VOC)) is less than 50 mg/kg.

公开(公告)号：US11724444B2

公开(公告)日：2023-08-15

申请号：US16982552

申请日：2019-03-14

Applicant: SIGNIFY HOLDING B.V.

Inventor： Stefan Willi Julius Gruhlke ,  Rifat Ata Mustafa Hikmet

IPC: B29C64/118 ,  B33Y10/00 ,  B33Y80/00 ,  B33Y70/10 ,  B29C70/58 ,  C08K7/16 ,  C08L101/00 ,  B33Y70/00 ,  B29K101/12 ,  B29K105/00 ,  B29K105/16 ,  B29K105/24

CPC classification number: B29C64/118 ,  B29C70/58 ,  B33Y10/00 ,  B33Y70/00 ,  B33Y70/10 ,  B33Y80/00 ,  C08K7/16 ,  C08L101/00 ,  B29K2101/12 ,  B29K2105/0005 ,  B29K2105/16 ,  B29K2105/24 ,  B29K2105/251 ,  C08K2201/003 ,  C08K2201/004 ,  C08L2207/04 ,  C08L2312/00

Abstract: Method for manufacturing a 3D item (1) by means of fused deposition modeling, the method comprising layer-wise depositing (during a printing stage) 3D printable material (201), to provide the 3D item (1) comprising 3D printed material (202), wherein the 3D printable material (201) comprises a continuous phase of a thermoplastic polymeric material and particles (410) embedded therein, wherein the particles (410) comprise a crosslinked polymeric material and wherein the particles (410) have a first dimension (LI) selected from the range of 0.2-100 micron. The 3D printable material (202) and the particles (410) comprise a light transmissive material, and the light transmissive material of the particles (410) has an index of refraction selected from the range of 1.2-1.8

公开(公告)号：US20180251611A1

公开(公告)日：2018-09-06

申请号：US15759448

申请日：2016-09-16

Applicant: MAZDA MOTOR CORPORATION

Inventor： Yasushi OKADA ,  Yohei ICHIHARA ,  Yusuke ASAKURA

IPC: C08J5/04 ,  C08L23/16 ,  C08K5/20

CPC classification number: C08J5/044 ,  C08F210/02 ,  C08F210/06 ,  C08F210/14 ,  C08F2500/07 ,  C08F2500/12 ,  C08J2323/16 ,  C08K5/20 ,  C08K2201/004 ,  C08L23/16 ,  C08L53/00 ,  C08L23/0807 ,  C08L51/06 ,  C08K7/14

Abstract: A fiber-reinforced polypropylene-based resin composition including 53 mass % to 74.5 mass % of a component (A); 10 mass % to 20 mass % of a component (B); 15 to 25 mass % of a component (C); and 0.5 to 2 mass % of a component (D), where a sum of the components (A), (B), (C), and (D) is 100 mass %. The components (A), (B), (C), and (D) satisfy specific conditions. The composition further includes 0.05 to 0.15 pts.mass of a component (E) relative to 100 pts.mass of the sum of the components (A), (B), (C), and (D). The component (E) satisfies a specific condition.

公开(公告)号：US20180208738A1

公开(公告)日：2018-07-26

申请号：US15745787

申请日：2016-07-29

Applicant: ZEON CORPORATION

Inventor： Masaaki KOMATSU ,  Arinobu KATADA

IPC: C08K3/04 ,  C08K7/06 ,  C08J3/215

CPC classification number: C08K3/041 ,  B82Y30/00 ,  B82Y40/00 ,  C08J3/212 ,  C08J3/215 ,  C08J2327/18 ,  C08K7/06 ,  C08K2201/001 ,  C08K2201/003 ,  C08K2201/004 ,  C08K2201/011 ,  C08L27/12 ,  C08L27/18 ,  H01B1/24 ,  Y10S977/75 ,  Y10S977/752 ,  Y10S977/753 ,  Y10S977/842

Abstract: Disclosed is a composite resin material which includes a fluororesin and fibrous carbon nanostructures, wherein the composite resin material has a fluororesin content of 70% by mass or more and a fibrous carbon nanostructure content of 0.01% to 0.5% by mass based on the amount of the fluororesin, and wherein when a 50 μm thick shaped product obtained by shaping the composite resin material is observed with an optical microscope, the number of aggregates that contain the fibrous carbon nanostructures as a main component and have a diameter of 300 μm or more is 3 or less in a 30 mm×30 mm field of view.