公开(公告)号：US20240228295A1

公开(公告)日：2024-07-11

申请号：US18557563

申请日：2022-02-24

Applicant: POLITECHNIKA WARSZAWSKA

Inventor： Mariusz Zdrojek ,  Andrzej Robert Daniewski ,  Anna Duzynska ,  Milena Ojrzynska

IPC: C01B32/19

CPC classification number: C01B32/19 ,  C01B2204/04 ,  C01P2002/82 ,  C01P2004/03 ,  C01P2004/04

Abstract: The object of the invention is a method for producing flaked graphene by intercalation and exfoliation of graphite in a liquid, with continuous stirring of the components by sonication, characterized in that oleum is used as the liquid, wherein the concentration of sulphur trioxide in sulphuric acid is 1-60%.

公开(公告)号：US11773224B2

公开(公告)日：2023-10-03

申请号：US16769541

申请日：2017-12-04

Applicant: POLITECHNIKA WARSZAWSKA

Inventor： Mariusz Zdrojek ,  Jaroslaw Judek

IPC: C08J3/20 ,  C08K3/04 ,  C08L67/02 ,  C08L83/04

CPC classification number: C08J3/201 ,  C08K3/041 ,  C08K3/042 ,  C08L67/02 ,  C08L83/04 ,  C08K2201/003 ,  C08K2201/004 ,  C08K2201/011

Abstract: Application of a polymer-carbon composite, wherein in a matrix of electrically non-conducting thermoplastic polymer, elastomer or siloxane, a filler is dispersed in the form of carbon nanostructures used in the amount of 0.1% to 10% by wt., for selective shielding of radiation in the range of 0.1-10 THz, with efficiency exceeding 10 dB at least in a part of the mentioned sub-terahertz range, the composite obtained by a direct mixing of fluid polymer and the filler and curing being used, and the composite used being non-conducting for direct current.

公开(公告)号：US20220250915A1

公开(公告)日：2022-08-11

申请号：US17614003

申请日：2020-04-15

Applicant: NANOEMI SP. Z O.O. ,  POLITECHNIKA WARSZAWSKA

Inventor： Anna Duzynska ,  Mariusz Zdrojek ,  Anna Wroblewska ,  Anna Lapinska

IPC: C01B32/19

Abstract: The invention is related to a method of manufacturing flake graphene in a liquid phase exfoliation process of graphite in oil.