摘要:
The present invention is directed to a pneumatic tire comprising at least one component, the at least one component comprising a rubber composition, the rubber composition comprising a diene based elastomer and from 1 to 30 parts by weight, per 100 parts by weight of elastomer, of a polybenzobisoxazole (PBO) short fiber having a length ranging from 0.5 to 20 mm and a thickness ranging from 10 to 30 microns, and from 1 to 30 parts by weight, per 100 parts by weight of elastomer, of an epoxidized palm oil.
摘要:
The present invention is directed to a pneumatic tire comprising at least one component selected from the group consisting of apexes, flippers and chippers, the at least one component comprising a rubber composition, the rubber composition comprising a diene based elastomer and from 1 to 30 parts by weight, per 100 parts by weight of elastomer (phr), of a polybenzobisoxazole (PBO) short fiber having a length ranging from 0.5 to 20 mm having a thickness ranging from 10 to 30 microns, and from 1 to 50 phr of an epoxidized polyisoprene having a number-average molecular weight of 5000 to 100000.
摘要:
The present invention is directed to a pneumatic tire comprising at least one component selected from the group consisting of apexes, flippers and chippers, the at least one component comprising a rubber composition, the rubber composition comprising a diene based elastomer and from 1 to 30 parts by weight, per 100 parts by weight of elastomer (phr), of a polybenzobisoxazole (PBO) short fiber having a length ranging from 0.5 to 20 mm having a thickness ranging from 10 to 30 microns, and from 1 to 50 phr of an epoxidized polyisoprene having a number-average molecular weight of 5000 to 100000.
摘要:
The present invention is directed to a tire comprising at least one component comprising (A) a first copolymer rubber comprised of repeat units derived from (1) 10 to 99 weight percent of a conjugated diene monomer which contains from 4 to 8 carbon atoms; (2) 0 to 70 weight percent of a vinyl substituted aromatic monomer; and (3) 1 to 20 weight percent of at least one co-monomer selected from the group consisting of the following general formulas I: wherein R represents a hydrogen atom or an alkyl group containing from 1 to 8 carbon atoms; wherein R1 represents a saturated alcohol group containing from 1 to 8 carbon atoms; and (B) a second copolymer rubber comprised of repeat units derived from (1) 10 to 99 weight percent of a conjugated diene monomer which contains from 4 to 8 carbon atoms; (2) 0 to 70 weight percent of a vinyl substituted aromatic monomer; and (3) 1 to 20 weight percent of at least one co-monomer selected from the group consisting of the following general formulas I: wherein R represents a hydrogen atom or an alkyl group containing from 1 to 8 carbon atoms; wherein R1 represents a saturated alcohol group containing from 1 to 8 carbon atoms; wherein the first and second copolymer have a difference in glass transition temperatures ranging from 30° C. to 60° C.
摘要:
The present invention is directed to a functionalized elastomer comprising: a polymeric backbone chain derived from a monomer comprising at least one conjugated diene monomer and optionally at least one vinyl aromatic monomer; and a functional group bonded to the backbone chain, the functional group comprising a multidentate ligand capable of complexing with a metal ion.
摘要:
The present invention is directed to a functionalized elastomer comprising: a polymeric backbone chain derived from a monomer comprising at least one conjugated diene monomer and optionally at least one vinyl aromatic monomer; and a functional group bonded to the backbone chain, the functional group comprising a multidentate ligand capable of complexing with a metal ion.
摘要:
The present invention is directed to a rubber composition comprising: a functionalized elastomer comprising: a polymeric backbone chain derived from a monomer comprising at least one conjugated diene monomer and optionally at least one vinyl aromatic monomer; and a functional group bonded to the backbone chain, the functional group comprising a multidentate ligand capable of complexing with a metal ion; and a metal ion.The invention is further directed to a pneumatic tire comprising the rubber composition.
摘要:
The present invention is directed to a pneumatic tire comprising at least one component selected from the group consisting of apexes, flippers and chippers, the at least one component comprising a rubber composition, the rubber composition comprising a diene based elastomer and from 1 to 30 parts by weight, per 100 parts by weight of elastomer (phr), of a polybenzobisoxazole (PBO) short fiber having a length ranging from 0.5 to 20 mm having a thickness ranging from 10 to 30 microns, and from 1 to 50 phr of an epoxidized polyisoprene having a number-average molecular weight of 5000 to 100000.
摘要:
The invention includes a siloxy-amine functionalized rubbery polymer, which exhibits good reinforcing characteristics and filler dispersing effect, a method for making, and a rubber composition including the same. In one embodiment, a process for manufacturing includes polymerizing a conjugated diene monomer using an organolithium compound as an initiator in a hydrocarbon solvent. Next, an active terminal end of the polymer is reacted with a functionalized terminating agent represented by: RN—(CH2)XSi(OR1)3, Formula (I) wherein R, in combination with the nitrogen (N) atom, is a substituted or unsubstituted heterocyclic aromatic or non-aromatic compound which includes a ring structure with one or more nitrogen atoms as part of the ring; R1 represents a group having 1 to 18 carbon atoms selected from an alkyl, a cycloalkyl, an allyl, or an aryl; and X is an integer from 1 to 20.
摘要:
The present invention is directed to a pneumatic tire comprising a component, the component comprising a rubber composition comprising a diene based elastomer and 1 to 100 phr of: A) a twin polymerization reaction product of a silyl ether; or B) a twin polymerization reaction product of a boronic acid ester; or C) a twin polymerization reaction product of a titanium compound derived from tetraethyl orthotitanate and furfuryl alcohol; or D) a twin polymerization reaction product of a tungsten compound; The invention is further directed to the corresponding rubber compositions.