US6180703B1
Expired / Lapsed
US
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Rubber composition
Assignee: Yokohama Rubber Co Ltd
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Filing: 1998-02-09
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Granted: 2001-01-30
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Expires: 2018-02-09
Abstract
Abstract Rubber compositions for footwear, conveyor belt covers, rolls, hoses, cables, rubberized fabrics, and grips containing (A) an elastomer, (B) 5 to 150 parts by weight of a filler, and (C) a polysiloxane represented by the formula (I): wherein R 1 , R 2 , R 3 , m, and n are as defined in the specification, having an average degree of polymerization of 3 to 1000 in a specific ratio with respect to the filler (B) and footwear, conveyor belt covers, rolls, hoses, cables, rubberized fabrics, and grips comprising these rubber compositions.
Inventors
- 👤 Hidekazu Onoi
- 👤 Kazunori Ishikawa
- 👤 Hiroyuki Kaido
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:37
CPC Classifications
C; C08; C08L; C08L21/00; C08K; C08K5/00; C08K5/54; C08K5/541; C08K5/5425; C08L23/00; C08L23/02; C08L23/16; C08L83/00; C08L83/04; A; A63; A63B; A63B60/00; A63B60/06; A63B60/14; C08G; C08G2410/00; C08G77/00; C08G77/04; C08G77/12; C08G77/14; C08G77/18; C08G77/70; C08L2666/00; C08L2666/02; C08L2666/04; C08L2666/14; Y; Y10; Y10S; Y10S138/00; Y10S138/07; Y10S198/00; Y10S198/957; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 28
Claim 1
Independent Claim
161 words
A rubber composition for footwear comprising (A) 100 parts by weight of an elastomer selected from the group consisting of natural rubber (NR), polyisoprene rubber (IR), polychloroprene rubber (CR), styrene-butadiene copolymer rubber (SBR), polybutadiene rubber (BR), acrylonitrile-butadiene copolymer rubber (NBR), butyl rubber (IIR) and ethylene-propylene copolymer rubbers (EPM, EPDM), (B) 5 to 150 parts by weight of a filler, and (C) 1 to 100 parts by weight, based upon 100 parts by weight of the filler (B), of a polysiloxane represented by the formula (I) having an average degree of polymerization of 3 to 1000: wherein R 1 is a C 1 to C 18 substituted or unsubstituted monovalent hydrocarbon group which may contain an ether bond, R 2 is a hydrogen atom or a C 1 to C 18 substituted or unsubstituted monovalent hydrocarbon group, R 3 is a methyl group or phenyl group, m is an integer of 1 or more, and n is 0 or a positive integer.
Claim 2
Dependent Claim
161 words
A rubber composition for footwear comprising (A) 100 parts by weight of an elastomer selected from the group consisting of natural rubber (NR), polyisoprene rubber (IR), polychloroprene rubber (CR), styrene-butadiene copolymer rubber (SBR), polybutadiene rubber (BR), acrylonitrile-butadiene copolymer rubber (NBR), butyl rubber (IIR) and ethylene-propylene copolymer rubbers (EPM, EPDM), (B) 5 to 150 parts by weight of a filler, and (C) 1 to 100 parts by weight, based upon 100 parts by weight of the filler (B), of a polysiloxane represented by the formula (I) having an average degree of polymerization of 3 to 1000: wherein R 1 is a C 1 to C 18 substituted or unsubstituted monovalent hydrocarbon group which may contain an ether bond, R 2 is a hydrogen atom or a C 1 to C 18 substituted or unsubstituted monovalent hydrocarbon group, R 3 is a methyl group or phenyl group, m is an integer of 1 or more, and n is 0 or a positive integer.
Claim 3
Dependent Claim
32 words
A rubber composition as claimed in claim 1 , further comprising (D) a silane coupling agent in an amount of 1 to 20% by weight of the amount of the filler (B).
Claim 4
Dependent Claim
12 words
Footwear comprising the rubber composition according to claim 1 or 2 .
Claim 5
Dependent Claim
166 words
A rubber composition for a cover of a conveyor belt comprising (A) 100 parts by weight of an elastomer selected from the group consisting of natural rubber (NR), polyisoprene rubber (IR), polychloroprene rubber (CR), styrene-butadiene copolymer rubber (SBR), polybutadiene rubber (BR), acrylonitrile-butadiene copolymer rubber (NBR), butyl rubber (IIR) and ethylene-propylene copolymer rubbers (EPM, EPDM), (B) 5 to 150 parts by weight of a filler, and (C) 1 to 50 parts by weight, based upon 100 parts by weight of the filler (B), of a polysiloxane represented by the formula (I) having an average degree of polymerization of 3 to 1000: wherein R 1 is a C 1 to C 18 substituted or unsubstituted monovalent hydrocarbon group which may contain an ether bond, R 2 is a hydrogen atom or a C 1 to C 18 substituted or unsubstituted monovalent hydrocarbon group, R 3 is a methyl group or phenyl group, m is an integer of 1 or more, and n is 0 or a positive integer.
Claim 6
Dependent Claim
166 words
A rubber composition for a cover of a conveyor belt comprising (A) 100 parts by weight of an elastomer selected from the group consisting of natural rubber (NR), polyisoprene rubber (IR), polychloroprene rubber (CR), styrene-butadiene copolymer rubber (SBR), polybutadiene rubber (BR), acrylonitrile-butadiene copolymer rubber (NBR), butyl rubber (IIR) and ethylene-propylene copolymer rubbers (EPM, EPDM), (B) 5 to 150 parts by weight of a filler, and (C) 1 to 50 parts by weight, based upon 100 parts by weight of the filler (B), of a polysiloxane represented by the formula (I) having an average degree of polymerization of 3 to 1000: wherein R 1 is a C 1 to C 18 substituted or unsubstituted monovalent hydrocarbon group which may contain an ether bond, R 2 is a hydrogen atom or a C 1 to C 18 substituted or unsubstituted monovalent hydrocarbon group, R 3 is a methyl group or phenyl group, m is an integer of 1 or more, and n is 0 or a positive integer.
Claim 7
Dependent Claim
32 words
A rubber composition as claimed in claim 1 , further comprising (D) a silane coupling agent in an amount of 1 to 20% by weight of the amount of the filler (B).
Claim 8
Dependent Claim
15 words
A conveyor belt cover comprising the rubber composition according to claim 4 or 5 .
Claim 9
Dependent Claim
162 words
A rubber composition for a roll comprising (A) 100 parts by weight of an elastomer selected from the group consisting of natural rubber (NR), polyisoprene rubber (IR), polychloroprene rubber, (CR), styrene-butadiene copolymer rubber (SBR), polybutadiene rubber (BR), acrylonitrile-butadiene copolymer rubber (NBR), butyl rubber (IIR) and ethylene-propylene copolymer rubbers (EPM, EPDM), (B) 5 to 150 parts by weight of a filler, and (C) 1 to 100 parts by weight, based upon 100 parts by weight of the filler (B), of a polysiloxane represented by the formula (I) having an average degree of polymerization of 3 to 1000: wherein, R 1 is a C 1 to C 18 substituted or unsubstituted monovalent hydrocarbon group which may contain an ether bond, R 2 is a hydrogen atom or a C 1 to C 18 substituted or unsubstituted monovalent hydrocarbon group, R 3 is a methyl group or phenyl group, m is an integer of 1 or more, and n is 0 or a positive integer.
Claim 10
Dependent Claim
162 words
A rubber composition for a roll comprising (A) 100 parts by weight of an elastomer selected from the group consisting of natural rubber (NR), polyisoprene rubber (IR), polychloroprene rubber, (CR), styrene-butadiene copolymer rubber (SBR), polybutadiene rubber (BR), acrylonitrile-butadiene copolymer rubber (NBR), butyl rubber (IIR) and ethylene-propylene copolymer rubbers (EPM, EPDM), (B) 5 to 150 parts by weight of a filler, and (C) 1 to 100 parts by weight, based upon 100 parts by weight of the filler (B), of a polysiloxane represented by the formula (I) having an average degree of polymerization of 3 to 1000: wherein, R 1 is a C 1 to C 18 substituted or unsubstituted monovalent hydrocarbon group which may contain an ether bond, R 2 is a hydrogen atom or a C 1 to C 18 substituted or unsubstituted monovalent hydrocarbon group, R 3 is a methyl group or phenyl group, m is an integer of 1 or more, and n is 0 or a positive integer.
Claim 11
Dependent Claim
32 words
A rubber composition as claimed in claim 7 , further comprising (D) a silane coupling agent in an amount of 1 to 20% by weight of the amount of the filler (B).
Claim 12
Dependent Claim
13 words
A roll comprising the rubber composition according to claim 7 or 8 .
Claim 13
Dependent Claim
162 words
A rubber composition for a hose comprising (A) 100 parts by weight of an elastomer selected from the group consisting of natural rubber (NR), polyisoprene rubber (IR), polychloroprene rubber, (CR), styrene-butadiene copolymer rubber (SBR), polybutadiene rubber (BR), acrylonitrile-butadiene copolymer rubber (NBR), butyl rubber (IIR) and ethylene-propylene copolymer rubbers (EPM, EPDM), (B) 5 to 200 parts by weight of a filler, and (C) 1 to 40 parts by weight, based upon 100 parts by weight of the filler (B), of a polysiloxane represented by the formula (I) having an average degree of polymerization of 3 to 1000: wherein, R 1 is a C 1 to C 18 substituted or unsubstituted monovalent hydrocarbon group which may contain an ether bond, R 2 is a hydrogen atom or a C 1 to C 18 substituted or unsubstituted monovalent hydrocarbon group, R 3 is a methyl group or phenyl group, m is an integer of 1 or more, and n is 0 or a positive integer.
Claim 14
Dependent Claim
162 words
A rubber composition for a hose comprising (A) 100 parts by weight of an elastomer selected from the group consisting of natural rubber (NR), polyisoprene rubber (IR), polychloroprene rubber, (CR), styrene-butadiene copolymer rubber (SBR), polybutadiene rubber (BR), acrylonitrile-butadiene copolymer rubber (NBR), butyl rubber (IIR) and ethylene-propylene copolymer rubbers (EPM, EPDM), (B) 5 to 200 parts by weight of a filler, and (C) 1 to 40 parts by weight, based upon 100 parts by weight of the filler (B), of a polysiloxane represented by the formula (I) having an average degree of polymerization of 3 to 1000: wherein, R 1 is a C 1 to C 18 substituted or unsubstituted monovalent hydrocarbon group which may contain an ether bond, R 2 is a hydrogen atom or a C 1 to C 18 substituted or unsubstituted monovalent hydrocarbon group, R 3 is a methyl group or phenyl group, m is an integer of 1 or more, and n is 0 or a positive integer.
Claim 15
Dependent Claim
35 words
A rubber composition for a hose as claimed in claim 10 , further comprising (D) a silane coupling agent in an amount of 1 to 20% by weight of the amount of the filler (B).
Claim 16
Dependent Claim
17 words
A hose having a rubber layer comprising the rubber composition according to claim 10 or 11 .
Claim 17
Dependent Claim
162 words
A rubber composition for a cable comprising (A) 100 parts by weight of an elastomer selected from the group consisting of natural rubber (NR), polyisoprene rubber (IR), polychloroprene rubber (CR), styrene-butadiene copolymer rubber (SBR), polybutadiene rubber (BR), acrylonitrile-butadiene copolymer rubber (NBR), butyl rubber (IIR) and ethylene-propylene copolymer rubbers (EPM, EPDM), (B) 5 to 150 parts by weight of a filler, and (C) 1 to 40 parts by weight, based upon 100 parts by weight of the filler (B), of a polysiloxane represented by the formula (I) having an average degree of polymerization of 3 to 1000: wherein R 1 is a C 1 to C 18 substituted or unsubstituted monovalent hydrocarbon group which may contain an ether bond, R 2 is a hydrogen atom or a C 1 to C 18 substituted or unsubstituted monovalent hydrocarbon group, R 3 is a methyl group or phenyl group, m is an integer of 1 or more, and n is 0 or a positive integer.
Claim 18
Dependent Claim
162 words
A rubber composition for a cable comprising (A) 100 parts by weight of an elastomer selected from the group consisting of natural rubber (NR), polyisoprene rubber (IR), polychloroprene rubber (CR), styrene-butadiene copolymer rubber (SBR), polybutadiene rubber (BR), acrylonitrile-butadiene copolymer rubber (NBR), butyl rubber (IIR) and ethylene-propylene copolymer rubbers (EPM, EPDM), (B) 5 to 150 parts by weight of a filler, and (C) 1 to 40 parts by weight, based upon 100 parts by weight of the filler (B), of a polysiloxane represented by the formula (I) having an average degree of polymerization of 3 to 1000: wherein R 1 is a C 1 to C 18 substituted or unsubstituted monovalent hydrocarbon group which may contain an ether bond, R 2 is a hydrogen atom or a C 1 to C 18 substituted or unsubstituted monovalent hydrocarbon group, R 3 is a methyl group or phenyl group, m is an integer of 1 or more, and n is 0 or a positive integer.
Claim 19
Dependent Claim
32 words
A rubber composition as claimed in claim 13 , further comprising (D) a silane coupling agent in an amount of 1 to 20% by weight of the amount of the filler (B).
Claim 20
Dependent Claim
17 words
A cable having a rubber layer comprising the rubber composition according to claim 13 or 14 .
Claim 21
Dependent Claim
163 words
A rubber composition for a rubberized fabric comprising (A) 100 parts by weight of an elastomer selected from the group consisting of natural rubber (NR), polyisoprene rubber (IR), polychloroprene rubber (CR), styrene-butadiene copolymer rubber (SBR), polybutadiene rubber (BR), acrylonitrile-butadiene copolymer rubber (NBR), butyl rubber (IIR) and ethylene-propylene copolymer rubbers (EPM, EPDM), (B) 5 to 250 parts by weight of a filler, and (C) 1 to 100 part by weight, based upon 100 part by weight of the filler (B), of a polysiloxane represented by the formula (I) having an average degree of polymerization of 3 to 1000: wherein R 1 is a C 1 to C 18 substituted or unsubstituted monovalent hydrocarbon group which may contain an ether bond, R 2 is a hydrogen atom or a C 1 to C 18 substituted or unsubstituted monovalent hydrocarbon group, R 3 is a methyl group or phenyl group, m is an integer of 1 or more, and n is 0 or a positive integer.
Claim 22
Dependent Claim
163 words
A rubber composition for a rubberized fabric comprising (A) 100 parts by weight of an elastomer selected from the group consisting of natural rubber (NR), polyisoprene rubber (IR), polychloroprene rubber (CR), styrene-butadiene copolymer rubber (SBR), polybutadiene rubber (BR), acrylonitrile-butadiene copolymer rubber (NBR), butyl rubber (IIR) and ethylene-propylene copolymer rubbers (EPM, EPDM), (B) 5 to 250 parts by weight of a filler, and (C) 1 to 100 part by weight, based upon 100 part by weight of the filler (B), of a polysiloxane represented by the formula (I) having an average degree of polymerization of 3 to 1000: wherein R 1 is a C 1 to C 18 substituted or unsubstituted monovalent hydrocarbon group which may contain an ether bond, R 2 is a hydrogen atom or a C 1 to C 18 substituted or unsubstituted monovalent hydrocarbon group, R 3 is a methyl group or phenyl group, m is an integer of 1 or more, and n is 0 or a positive integer.
Claim 23
Dependent Claim
32 words
A rubber composition as claimed in claim 16 , further comprising (D) a silane coupling agent in an amount of 1 to 20% by weight of the amount of the filler (B).
Claim 24
Dependent Claim
18 words
A rubberized fabric having a rubber layer comprising the rubber composition according to claim 16 or 17 .
Claim 25
Dependent Claim
162 words
A rubber composition for a grip comprising (A) 100 parts by weight of an elastomer selected from the group consisting of natural rubber (NR), polyisoprene rubber (IR), polychloroprene rubber (CR), styrene-butadiene copolymer rubber (SBR), polybutadiene rubber (BR), acrylonitrile-butadiene copolymer rubber (NBR), butyl rubber (IIR) and ethylene-propylene copolymer rubbers (EPM, EPDM), (B) 5 to 250 parts by weight of a filler, and (C) 1 to 100 parts by weight, based upon 100 parts by weight of the filler (B), of a polysiloxane represented by the formula (I) having an average degree of polymerization of 3 to 1000: wherein, R 1 is a C 1 to C 18 substituted or unsubstituted monovalent hydrocarbon group which may contain an ether bond, R 2 is a hydrogen atom or a C 1 to C 18 substituted or unsubstituted monovalent hydrocarbon group, R 3 is a methyl group or phenyl group, m is an integer of 1 or more, and n is 0 or a positive integer.
Claim 26
Dependent Claim
162 words
A rubber composition for a grip comprising (A) 100 parts by weight of an elastomer selected from the group consisting of natural rubber (NR), polyisoprene rubber (IR), polychloroprene rubber (CR), styrene-butadiene copolymer rubber (SBR), polybutadiene rubber (BR), acrylonitrile-butadiene copolymer rubber (NBR), butyl rubber (IIR) and ethylene-propylene copolymer rubbers (EPM, EPDM), (B) 5 to 250 parts by weight of a filler, and (C) 1 to 100 parts by weight, based upon 100 parts by weight of the filler (B), of a polysiloxane represented by the formula (I) having an average degree of polymerization of 3 to 1000: wherein, R 1 is a C 1 to C 18 substituted or unsubstituted monovalent hydrocarbon group which may contain an ether bond, R 2 is a hydrogen atom or a C 1 to C 18 substituted or unsubstituted monovalent hydrocarbon group, R 3 is a methyl group or phenyl group, m is an integer of 1 or more, and n is 0 or a positive integer.
Claim 27
Dependent Claim
35 words
A rubber composition for a grip as claimed in claim 19 , further comprising (D) a silane coupling agent in an amount of 1 to 20% by weight of the amount of the filler (B).
Claim 28
Dependent Claim
17 words
A grip having a rubber layer comprising the rubber composition according to claim 19 or 20 .
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2004-01-30 | 2004-07-31 | 2005-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2008-01-30 | 2008-07-31 | 2009-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2012-01-30 | 2012-07-31 | 2013-01-30 | $7700.00 | Window Closed / Lapsed |