optionally hydrogenated nitrile rubber containing optional
EP2238175B1 - Nitrile rubbers which optionally contain
EP2238175B1 EP20090705310 EP09705310A EP2238175B1 EP 2238175 B1 EP2238175 B1 EP 2238175B1 EP 20090705310 EP20090705310 EP 20090705310 EP 09705310 A EP09705310 A EP ...
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Hydrogenated Nitrile - HNBR - Techno Ad
Hydrogenated Nitrile Rubber (HNBR) Description: Hydrogenated Nitrile (HNBR) is a synthetic polymer that is obtained by saturating the double bonds in nitrile’s butadiene segments with hydrogen. HNBR is known for its physical strength and resistance to heat, oil, and chemicals. ... Optional Colors: Production: HNBR’s are usually peroxide ...
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US Patent for Process for removing ruthenium-containing
Novel optionally hydrogenated nitrile rubbers distinguised by a very low ruthenium content are provided as well as a process for the removal of ruthenium-containing catalyst residues from a solution of optionally hydrogenated nitrile rubber by using specific functionalized ion-exchange resins.
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EP2386600A1 - Cross-linking agent for nitrile rubbers
By using specific crosslinkers containing at least two isocyanate groups, hydroxyl-containing optionally hydrogenated nitrile rubber terpolymers can be successfully crosslinked. Preferred crosslinkers include allophanate, biuret, uretdione, uretonimine, bridged carbamate, carbodiimide, isocyanurate, iminooxadiazinedione or oxadiazinetrione structural elements.
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US7846995B2 - Process for removing ruthenium-containing
Novel optionally hydrogenated nitrile rubbers distinguised by a very low ruthenium content are provided as well as a process for the removal of ruthenium-containing catalyst residues from a solution of optionally hydrogenated nitrile rubber by using specific functionalized ion-exchange resins.
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EP2072532A1 - A process for removing iron-residues
A process is provided for the removal of iron-residues, rhodium- and/or ruthenium-containing catalyst residues from a solution of optionally hydrogenated nitrile rubber containing such iron-residues, rhodium- and/or ruthenium-containing residues by contacting such solution with a specific functionalized ion exchange resin.
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PROCESS FOR REMOVING IRON-RESIDUES, RHODIUM- AND RUTHENIUM
The solution of the optionally hydrogenated nitrile rubber may comprise an amount of the ruthenium-containing catalyst residues in the range of from 5 to 1000 ppm ruthenium, preferably from 5 to 500 ppm, and in particular from 5 to 250 ppm, based on the optionally hydrogenated nitrile rubber used.
Send InquiryNitrile rubber
Nitrile rubber, also known as NBR, Buna-N, and acrylonitrile butadiene rubber, is a synthetic rubber copolymer of acrylonitrile (ACN) and butadiene.Trade names include Perbunan, Nipol, Krynac and Europrene.. Nitrile butadiene rubber (NBR) is a family of unsaturated copolymers of 2-propenenitrile and various butadiene monomers (1,2-butadiene and 1,3-butadiene).
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CROSS-LINKING AGENTS CONTAINING ISOCYANATE GROUPS FOR
A particularly preferred optionally hydrogenated nitrile rubber is a polymer with repeating units exclusively derived from (i) a (C 4-C 6) conjugated diene, (ii) a (C 3-C 5)-α,β-unsaturated nitrile and (iii) a copolymerizable hydroxyl group-containing monomer containing at least one hydroxyl group that is not bonded to the C atom of a carboxyl group, to which furthermore an oxygen atom is bonded by double bonding.
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US7396884B2 - Hydrogenated nitrile butadiene rubber
The present invention relates to a composition containing a hydrogenated nitrile-butadiene rubber (HNBR), a peroxide crosslinking system and a resorcinol-formaldehyde resin, to a process for the preparation of the composition, to the use of the composition as an adhesion promoter, and also to a multilayer product containing the composition according to the present invention.
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Wo/2013/098056 purification of optionally hydrogenated nitrile rubber
ONG, Christopher PASK, Stephen. Title: Purification of optionally hydrogenated nitrile rubber.The present invention provides a novel process for the purification of an optionally hydrogenated nitrile rubber comprising contacting said optionally hydrogenated nitrile
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Thermal aging of hydrogenated nitrile rubber – loss
Keywords: hydrogenated nitrile rubber, thermal aging, additives, elasticity. Starzenie termiczne uwodornionego kauczuku nitrylowego – ubytek.Hydrogenated nitrile rubber (HNBR) is prepared by. selective hydrogenation of the carbon-carbon double.
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Practical Guide to Hydrogenated Nitrile Butadiene Rubber Technology
Hydrogenated Nitrile Butadiene Rubber (HNBR) is a synthetic polymer that results from the hydrogenation of Nitrile Rubber (NBR). It is widely known for its physical strength and retention of properties after long-term exposure to heat, oil, and chemicals.
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hydrogenated rubber - definition - English
A hydrogenated rubber composition comprising: (A) 100 parts by weight of a feedstock rubber containing at least 30 wt.% of at least one partially hydrogenatednitrile rubber or the optional subsequent metathesis and/or optional hydrogenation reaction or any degradation products thereof.
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Hydrogenated Nitrile Rubber
Hydrogenated nitrile rubber (HNBR) is a viable alternative to polychloroprene for many automotive applications such as timing belts, seals and hoses. It has excellent mechanical, thermo-oxidative and chemical resistant properties and an excellent operating temperature range.
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hydrogenated nitrile butadiene rubber (hnbr)
Hydrogenated nitrile butadiene rubber or HNBR was first developed in the late ‘70s and early ‘80s. Though commercial production did not begin until 1984, there were numerous companies looking at the feasibility of producing this type of elastomer. Of those who chose to evaluate this polymer, three
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Nitrile rubbers which optionally contain alkylthio terminal - PubChem
US8623981 chemical patent summary.
Send InquiryUnderstanding the Composition of a Nitrile (Buna-N) Rubber Compound
Hydrogenated Nitrile Rubber (HNBR) is the process of saturating the double bonds of the butadiene with hydrogen to give better resistance to oxidation and ozone. These polymers give superior physical properties, better resistance to ozone and oxidation, and have lower ACN version to give same low
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Hydrogenated Nitrile Rubber - HNBR, View Hydrogenated Nitrile
Hydrogenated Nitrile Rubber - HNBR, .Source from PARAMOUNT SEALS & PACKINGS on Alibaba.com.at elevated temperature around 160oc is excellent and is second to silicone rubber (VMQ type)Fluid Resistance: - HNBR compounds show very little loss in physical properties in
Send InquiryDegradation of hydrogenated nitrile-butadiene rubber
Hydrogenated nitrile-butadiene rubber(HNBR) Degradation mechanism H2S corrosion. Supporter by the National Natural Science Foundation of China (No.51003121) and the Cultivation Fund of the Key Scientific and Technical Innovation Project, Ministry of Education of China(No. 707010).
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