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Rubber composition containing cyclic polysulfide ... - Justia
The present invention relates to a rubber composition containing a cyclic polysulfide, as a vulcanization agent, and having improved various vulcanized properties of sulfur-vulcanizable rubber (for example, in some cases in combination with other specific components, heat aging resistance, heat buildup, breakage characteristics, fatigue resistance characteristics, wet performance, grip performance, ice and snow brakeability, high speed durability, rolling resistance, lateral stability, high ...
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EP1674521A1 - Rubber composition containing cyclic
A rubber composition containing 100 parts by weight a sulfur-vulcanizable rubber (A) and 0.1 to 30 parts by weight of a vulcanization agent of a cyclic polysulfide (B) having the formula (I): wherein R is a substituted or unsubstituted C 2 to C 20 alkylene group, substituted or unsubstituted C 2 to C 20 oxyalkylene group or alkylene group having an aromatic ring, n is an integer of 1 to 20, x is a number of 2 to 6 on average.
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US20060094831A1 - Rubber composition containing cyclic
A rubber composition containing 100 parts by weight a sulfur-vulcanizable rubber (A) and 0.1 to 30 parts by weight of a vulcanization agent of a cyclic polysulfide (B) having the formula (I): wherein R is a substituted or uhsubstituted C 2 to C 20 alkylene group, substituted or unsubstituted C 2 to C 20 oxyalkylene group or alkylene group having an aromatic ring, n is an integer of 1 to 20, x is a number of 2 to 6 on average.
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US7569639B2 - Rubber composition containing cyclic
US7569639B2 US10/545,072 US54507205A US7569639B2 US 7569639 B2 US7569639 B2 US 7569639B2 US 54507205 A US54507205 A US 54507205A US 7569639 B2 US7569639 B2 US 7569639B2 Authority
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RUBBER COMPOSITION CONTAINING CYCLIC POLYSULFIDE AS
A rubber composition containing 100 parts by weight a sulfur-vulcanizable rubber (A) and 0.1 to 30 parts by weight of a vulcanization agent of a cyclic polysulfide (B) having the formula (I): wherein R is a substituted or unsubstituted C 2 to C 20 alkylene group, substituted or unsubstituted C 2 to C 20 oxyalkylene group or alkylene group having an aromatic ring, n is an integer of 1 to 20, x is a number of 2 to 6 on average.
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US20050199854A1 - Rubber composition containing cyclic
A method of production of a cyclic polysulfide having the formula (I): wherein x is an integer of 2 to 6, n is an integer of 1 to 15, and R indicates a substituted or unsubstituted C 2 to C 18 alkylene group or a substituted or unsubstituted C 2 to C 18 alkylene group including an oxyalkylene group comprising: reacting a dihalogen compound of the formula X—R—X wherein, X independently ...
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RUBBER COMPOSITION CONTAINING CYCLIC POLYSULFIDE AS
A rubber composition which comprises (A) 100 pts.wt. of a rubber vulcanizable with sulfur and (B) 0.1 to 30 pts.wt. of a cyclic polysulfide represented by the formula (I): (I) (wherein R represents (un)substituted C2-20 alkylene, (un)substituted C2-20 oxyalkylene, or alkylene containing an aromatic ring n is an integer of 1 to 20 and x is a number of 2 to 6) as a vulcaziner.
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JPWO2005035647A1 - The rubber composition containing a
Sulfur vulcanizable rubber (A) 100 parts by weight of well formula as a vulcanizing agent (I): (Wherein, R represents a substituted or unsubstituted The cyclic polysulfide (B) a rubber composition comprising 0.1 to 30 parts by weight.
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Rubber composition containing cyclic polysulfide as
Abstract: Novel human polynucleotide and polypeptide sequences are disclosed that can be used in therapeutic, diagnostic, and pharmacogenomic applications.
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Rubber composition containing cyclic polysulfide as
Rubber composition containing cyclic polysulfide as vulcanizer and pneumatic tire made therefrom (PAT - CN1761709)
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The rubber composition containing a cyclic polysulfide as
Sulfur vulcanizable rubber (A) 100 parts by weight of well formula as a vulcanizing agent (I): (Wherein, R represents a substituted or unsubstituted The cyclic polysulfide (B) a rubber composition comprising 0.1 to 30 parts by weight.
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Rubber composition containing cyclic polysulfide - PubChem
US2005199854 chemical patent summary.
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Wo/2005/035647 rubber composition containing cyclic polysulfide
A rubber composition which comprises (A) 100 pts.wt. of a rubber vulcanizable with sulfur and (B) 0.1 to 30 pts.wt. of a cyclic polysulfide represented by the formula (I): (I) (wherein R represents (un)substituted C2-20 alkylene, (un)substituted C2-20 oxyalkylene, or alkylene containing an
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Rubber composition containing cyclic polysulfide as - PubChem
US7569639 chemical patent summary.
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Core element for run flat tire using rubber composition containing
Using rubber composition containing cyclic polysulfide as vulcanizer andTo provide a rubber composition useful for an elastic ring of core element of a run flat tire having100 pts.wt of a sulfur-vulcanizable rubber (A) and 0.1 to 30 pts.wt of a vulcanization agent of a cyclic
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Polysulfides - an overview | ScienceDirect Topics | Cyclic monosulfides
The decomposition of polysulfide crosslinks was known to give rise to cyclic mono- and disulfidesThe scission of the longer-chain polysulfides at the second bond is consistent with the relativelyThe S from FeS (black) is exchanged and the resultant pyrite contains the S atoms from the polysulfide
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A Novel Approach to Cyclic Polysulfides via the Controlled
Cyclic polymers have different physical properties compared to their linear counterparts of the same molecular weight. These different properties could have potential impact in the production of new and exciting polymer products. For industry to commercialize such materials, cyclic polymers need to be
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Preparation of silica reinforced polyisoprene-rich rubber composition
rubber-rich rubber composition containing precipitated silica which has been pre-treated with a fatty alcohol and/or epoxidized soybean oil together with an organosilane containing polysulfide coupling agent and to tires having at least one component comprised of such rubber composition.
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Anionic polysulfides contain anions that are hydrogen polysulfide conjugate bases, whereas organic polysulfides primarily comprise an alkyl group.Polysulfide is a chemical compound containing chains of sulfur atoms. There are two main classes of polysulfide namely anionic polysulfide and
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Synthesize ordered macroporous MnO2 and their
Manganese dioxide is often used as a curing agent for polysulfide polymers because of its excellent properties. Here, we synthesize a freshly ordered macroporous MnO2 with crystallineIt can obviously improve the mechanical properties of polysulfide polymers and accelerate the rate of vulcanization.
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