Results 71 to 80 of about 768 (200)

Determination of the Degree of Hydrogenation in Hydrogenated Nitrile-Butadiene Rubber (HNBR)

open access: yes, 1990
A number of analytical techniques are available for the measurement of the residual unsaturation in HNBR polymers. However, to insure that high-quality HNBR products are produced, it is necessary to use a standard procedure throughout the industry which ...
T. Dee   +3 more
core   +1 more source

"Comparison of structure and properties of different hydrogenated nitrile rubbers"

open access: yesHecheng xiangjiao gongye
"Molecular weight and its distribution, molecular structure composition, curing characteristics, Mooney viscosity, physical and mechanical property, thermal-oxidative aging resistance, low temperature performance and catalyst residual amount of similar ...
HU Hai-hua, XU Dian-hong, HUANG Xi-dai, ZHAO Hong-guo, WU Yu, HE Lian-cheng
doaj   +1 more source

Fracture resistance of rubbers with MWCNT, organoclay, silica and carbon black fillers as assessed by the J-integral: Effects of rubber type and filler concentration

open access: yeseXPRESS Polymer Letters, 2012
The fracture resistance of different rubbers containing various nanofillers, such as multiwall carbon nanotube (MWCNT), organoclay, silica and carbon black (CB), was determined by the J-integral making use of the single edge notched tensile loaded (SEN-T)
T. Ricco   +4 more
doaj   +1 more source

Hydrogenation of nitrile groups in HNBR with a rhodium catalyst

open access: yes
Abstract Functional polymer materials show a variety of functional properties, such as chemical reactivity, photosensitivity, conductivity, catalysis, biocompatibility and so on. The polymer containing amine group can be used in many fields such as organic polymer catalyst carrier, sewage adsorption treatment, medicine and pharmacy, biological ...
Minghui Liu   +6 more
openaire   +1 more source

Mechanism of Gas Permeation in Processed HNBR/Nanoclay Composites

open access: yesAdvances in Polymer Technology, 2012
AbstractThe influence of the layered silicate clay platelets on the nitrogen permeation properties of hydrogenated nitrile butadiene rubber (HNBR)/nanoclay nanocomposites has been investigated. Nanocomposites of HNBR modified with different percentages of the organoclay are processed through various routes.
Rahul M. Cadambi, Elaheh Ghassemieh
openaire   +1 more source

Electroless Deposition of Ni-P Coatings on HNBR for Low Friction Rubber Seals

open access: yes, 2020
This paper reports a simple and cost-effective procedure to coat hydrogenated nitrile butadiene rubber (HNBR) with a well-adherent Ni-P film by using the electroless plating method.
Vasconcelos, Beatriz   +7 more
core   +1 more source

Harnessing melt processing for the preparation of mechanically robust thermoplastic vulcanizate electrolytes

open access: yesJournal of Power Sources Advances
We report a new type of polymer blend electrolyte based on the principle of thermoplastic vulcanizates (TPV). TPV materials have been extensively used in the automotive and manufacturing sectors.
Léa Caradant   +6 more
doaj   +1 more source

Development of a damage model for rapid decompression of O-ring seals in high-pressure and long-distance CO2 pipelines

open access: yesYou-qi chuyun
ObjectiveLong-distance pipelines are essential for large-scale CO2 transportation within the Carbon Capture, Utilization, and Storage (CCUS) system, where the reliability of sealing systems directly influences safety and efficiency.
Li MO   +5 more
doaj   +1 more source

Effects of preparation methods on the mechanical and thermal properties of graphene-modified HNBR composites

open access: yes, 2018
Polymers modified by graphene have become an attractive method to enhance the matrix properties, wherein the dispersion of graphene in the matrix and the interfacial interactions between graphene and matrix are critical to influence the final performance.
Chun Wei   +4 more
core   +1 more source

Effect of Hydrogen Pressure on the Fretting Behavior of Rubber Materials

open access: yesLubricants
Safety and reliability are the major challenges to face for the development and acceptance of hydrogen technology. It is therefore crucial to deeply study material compatibility, in particular for tribological components that are directly in contact with
Géraldine Theiler   +2 more
doaj   +1 more source

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