RUBBER MIXTURE Russian patent published in 2019 - IPC C08L9/02 C08L9/06 C08L31/04 C08K3/04 C08K3/22 C08K3/26 C08K3/36 C08K5/09 C08K5/18 C08K5/40 C08K5/43 C08K5/44 

Abstract RU 2688512 C1

FIELD: technological processes.

SUBSTANCE: invention relates to rubber industry, in particular, to production of rubber mixtures for oil-swellable sealing elements used in oil and gas industry. Rubber mixture for oil-swelling sealing elements contains butadiene-nitrile rubber with nitrile of acrylic acid content of 17–20 %, isoprene rubber SKI-3, sevilen 11808-340, N,N'-dithiodimorpholine, thiuram D, sulphenamide C, zinc white, stearic acid, N-nitrosodiphenylamine, technical carbon T 900, rosil 175, talc, chalk, petroleum polymer resin "Sibplast".

EFFECT: invention improves relative elongation at rupture of rubber and increases degree of its volumetric swelling in oil.

1 cl, 2 tbl

Similar patents RU2688512C1

Title Year Author Number
RUBBER COMPOSITION 2018
  • Ushmarin Nikolaj Filippovich
  • Efimovskij Egor Gennadevich
  • Egorov Evgenij Nikolaevich
  • Spiridonov Ivan Sergeevich
  • Sandalov Sergej Ivanovich
  • Koltsov Nikolaj Ivanovich
RU2677145C1
RUBBER MIXTURE 2018
  • Ushmarin Nikolaj Filippovich
  • Efimovskij Egor Gennadevich
  • Egorov Evgenij Nikolaevich
  • Spiridonov Ivan Sergeevich
  • Sandalov Sergej Ivanovich
  • Koltsov Nikolaj Ivanovich
RU2688521C1
COMPOSITION RUBBER MIXTURE FOR PADS OF RAIL FASTENERS 2018
  • Mikhajlov Yurij Mikhajlovich
  • Reznikov Mikhail Sergeevich
  • Ushmarin Nikolaj Filippovich
  • Sandalov Sergej Ivanovich
RU2677139C1
RUBBER MIXTURE 2019
  • Ushmarin Nikolaj Filippovich
  • Egorov Evgenij Nikolaevich
  • Spiridonov Ivan Sergeevich
  • Sandalov Sergej Ivanovich
  • Koltsov Nikolaj Ivanovich
RU2700604C1
RUBBER MIXTURE 2018
  • Ushmarin Nikolaj Filippovich
  • Efimovskij Egor Gennadevich
  • Egorov Evgenij Nikolaevich
  • Spiridonov Ivan Sergeevich
  • Sandalov Sergej Ivanovich
  • Koltsov Nikolaj Ivanovich
RU2686202C1
RUBBER MIXTURE FOR MAKING OIL-SWELLING PRODUCTS 2021
  • Antipov Sergei Petrovich
  • Lebedev Artem Mikhailovich
  • Mardanshin Karim Marselevich
  • Sharafetdinov Elvir Anisovich
  • Volkova Larisa Faritovna
  • Mukhtarov Aleksei Radikovich
RU2765950C1
FROST-RESISTANT RUBBER MIXTURE BASED ON COMBINATION OF BUTADIENE-NITRILE AND BUTADIENE RUBBER FOR USE IN HYDROCARBON MEDIA 2024
  • Diakonov Afanasii Alekseevich
  • Tapyev Sergei Aleksandrovich
  • Vasilev Andrei Petrovich
  • Makarov Igor Sergeevich
  • Diakonova Diana Anatolevna
  • Spiridonov Aleksandr Mikhailovich
  • Okhlopkova Aitalina Alekseevna
  • Lazareva Nadezhda Nikolaevna
RU2826731C1
FROST AND OIL-RESISTANT RUBBER MIXTURE BASED ON CAOUTCHOUC MIXTURES AND A METHOD FOR PRODUCTION THEREOF 2019
  • Petrova Nataliya Nikolaevna
  • Mukhin Vasilij Vasilevich
  • Okhlopkova Ajtalina Alekseevna
  • Sleptsova Sardana Afanasevna
  • Vasilev Andrej Petrovich
  • Lazareva Nadezhda Nikolaevna
  • Dyakonov Afanasij Alekseevich
RU2705069C1
RUBBER MIXTURE 2020
  • Ushmarin Nikolaj Filippovich
  • Egorov Evgenij Nikolaevich
  • Sandalov Sergej Ivanovich
  • Koltsov Nikolaj Ivanovich
RU2739188C1
RUBBER COMPOUND FOR PERFORATED PLATES 2021
  • Mikhajlov Yurij Mikhajlovich
  • Reznikov Mikhail Sergeevich
  • Ushmarin Nikolaj Filippovich
  • Sandalov Sergej Ivanovich
  • Chizhov Vitalij Yurevich
RU2775233C1

RU 2 688 512 C1

Authors

Ushmarin Nikolaj Filippovich

Efimovskij Egor Gennadevich

Egorov Evgenij Nikolaevich

Spiridonov Ivan Sergeevich

Sandalov Sergej Ivanovich

Koltsov Nikolaj Ivanovich

Dates

2019-05-21Published

2018-05-07Filed