ELASTOMERIC COMPOSITION AND METHOD FOR PRODUCTION THEREOF Russian patent published in 2021 - IPC C08L9/02 C08K5/98 C08K3/22 C08K5/14 C08K3/04 

Abstract RU 2755481 C1

FIELD: gas production.

SUBSTANCE: present invention relates to the gas production industry, namely to elastomeric compositions intended for production of seals based thereon, as well as to a method for producing elastomeric compositions based on hydrogenated butadiene-nitrile rubbers. Proposed is an elastomeric composition based on hydrogenated butadiene-nitrile rubber with an acrylonitrile content of 18 to 52 wt.%, containing organic peroxide and a peroxide vulcanisation accelerator, a filler, an anti-aging agent, plasticising additives, as well as a salt of polyvalent metals of acrylic or methacrylic acid, as vulcanising agents; also proposed is a method for producing an elastomeric composition based on hydrogenated butadiene-nitrile rubber, wherein the elastomeric composition is prepared by mixing in two stages.

EFFECT: technical result of the proposed invention consists in increasing the operating life of seals in the medium of a formation fluid including a hydrocarbon fraction as well as gaseous hydrogen sulphide and carbon dioxide; increasing the heat resistance, acquiring a high degree of adhesion to metals.

8 cl, 3 tbl

Similar patents RU2755481C1

Title Year Author Number
PRODUCTION METHOD OF OILFIELD WATER-SWELLABLE ELEMENT 2016
  • Gajnullin Nail Timirzyanovich
  • Perminova Nadezhda Aleksandrovna
RU2632823C1
COMPOSITION OF DYNAMICALLY VULCANIZED THERMOPLASTIC ELASTOMER, METHOD FOR ITS PREPARATION, AS WELL AS PRODUCT BASED ON IT AND METHOD FOR ITS PREPARATION 2017
  • Volkov Alexey Mikhailovich
  • Ryzhikova Irina Gennadievna
  • Kazakov Yury Mikhailovich
RU2759148C1
METHOD OF OBTAINING ELASTOMER MATERIAL FOR LINING STATOR OF SCREWDRIVE MOTOR ENGINE OR SCREW PUMP 2017
  • Gajnullin Nail Timirzyanovich
  • Perminova Nadezhda Aleksandrovna
RU2669640C1
DYNAMICALLY VULCANIZED THERMOPLASTIC ELASTOMER COMPOSITION WITH IMPROVED COMPATIBILITY OF COMPONENTS, METHODS FOR ITS PREPARATION, AS WELL AS PRODUCT BASED ON IT 2017
  • Volkov Aleksej Mikhajlovich
  • Ryzhikova Irina Gennadevna
  • Kazakov Yurij Mikhajlovich
RU2665705C1
HNBR COMPOSITIONS WITH VERY HIGH LEVELS OF CONTENT OF FILLING AGENTS, POSSESSING EXCELLENT PROCESSABILITY AND RESISTANCE TO AGGRESSIVE LIQUIDS 2009
  • Nasreddin Viktor
  • Zoddemann Mattias
RU2522622C2
HYDROGENATED OR NON-HYDROGENATED NITRILE RUBBER, METHOD OF OBTAINING IT, POLYMER COMPOSITE MATERIAL CONTAINING SAID RUBBER, METHOD OF OBTAINING IT AND METHOD OF MAKING MOULDED OBJECTS 2003
  • Ong Kristofer M.
  • Gverin Frederik
  • Gvo Sheron Ks.
RU2356913C9
ELASTOMERIC COMPOSITION 2018
  • Khorova Elena Andreevna
  • Tretyakova Natalya Aleksandrovna
  • Bobrov Sergej Petrovich
RU2680508C1
ADHESIVE POLYMER COMPOSITE MATERIAL, METHOD OF PRODUCTION THEREOF, PRODUCT KEEPING ITS SHAPE AND HERMETIC OR ADHESIVE COMPOSITION CONTAINING MENTIONED COMPOSITE MATERIAL 2003
  • Gverin Frederik
  • Gvo Sheron Ks.
RU2344151C2
RUBBER MIXTURE FOR A PACKER DEVICE CUFF, WHICH SWELLS IN AN AQUEOUS SOLUTION OF NaCl OR CaCl WITH CONCENTRATION OF NOT MORE THAN 25 % 2018
  • Puchkov Aleksandr Fedorovich
  • Kutsov Aleksandr Nikolaevich
  • Kutsov Dmitrij Aleksandrovich
RU2700606C1
OIL-HEAT-RESISTANT ELASTOMERIC COMPOSITION 2019
  • Khorova Elena Andreevna
  • Tretyakova Natalya Aleksandrovna
RU2714351C1

RU 2 755 481 C1

Authors

Smelova Gulsum Melsovna

Gordetskij Vyacheslav Igorevich

Kutsov Aleksandr Nikolaevich

Kutsov Dmitrij Aleksandrovich

Safronov Sergej Aleksandrovich

Dates

2021-09-16Published

2020-07-07Filed