EP0801112A2
Expired / Lapsed
EP
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Polysiloxane composition having superior storage stability and rubber composition containing same
Assignee: Yokohama Rubber Co Ltd
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Filing: 1997-04-08
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Granted: —
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Expires: 2017-04-08
Abstract
Abstract A polysiloxane composition comprising (A) a polysiloxane having a group represented by the formula (I): ≡Si-OR (I) wherein, R is a C 1 to C 18 substituted or unsubstituted monovalent hydrocarbon group or ether bond containing an organic group; and (B) at least 1 ppm of (a) a compound having an N, P, S, Sn, or As component or (b) an acetylene alcohol and a rubber composition containing the same.
Inventors
- 👤 Kazunori The Yokohama Rubber Co. Ltd. Ishikawa
- 👤 Fumito The Yokohama Rubber Co. Ltd. Yatsuyanagi
- 👤 Tetsuji The Yokohama Rubber Co. Ltd. Kawazura
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-25 03:45
CPC Classifications
C; C08; C08L; C08L7/00; C08K; C08K5/00; C08K5/04; C08K5/05; C08K5/54; C08K5/548; C08K5/56; C08L21/00; C08L83/00; C08L83/04; C08L9/00; C08L9/06; C08L91/00; C08L91/06; C08G; C08G77/00; C08G77/04; C08G77/045; C08G77/12; C08G77/14; C08G77/18; C08G77/42; C08G77/46; C08G77/48; C08G77/50; C08G77/70; C08L2205/00; C08L2205/02; C08L2205/03; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2993; Y10T428/2995
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
63 words
A polysiloxane composition comprising (A) a polysiloxane having a group represented by the formula (I): ≡Si-OR (I) wherein, R is a C 1 to C 18 substituted or unsubstituted monovalent hydrocarbon group or ether bond containing an organic group; and (B) at least 1 ppm of (a) a compound having an N, P, S, Sn, or As component or (b) an acetylene alcohol.
Claim 2
Dependent Claim
23 words
A polysiloxane composition as claimed in claim 1, wherein said S component is a silane coupling agent containing at least an S atom.
Claim 3
Dependent Claim
23 words
A polysiloxane composition as claimed in claim 1, wherein said N component is a silane coupling agent containing at least an N atom.
Claim 4
Dependent Claim
89 words
A rubber compounding agent comprising (A) a polysiloxane having an average polymerization degree of 3 to 10,000 and at least one group having the formula (I) according to claim 1, wherein, R is OR 1 or OCOR 2 , R 1 is a C 1 to C 18 substituted or unsubstituted monovalent hydrocarbon group or ether bond containing organic group and R 2 is hydrogen or a C 1 to C 21 hydrocarbon group and (B) a wax in a ratio of (A)/(B) = 70/30 to 5/95 (weight ratio).
Claim 5
Dependent Claim
44 words
A rubber composition comprising 100 parts by weight of a rubber, 5 to 100 parts by weight of silica and a rubber compounding agent according to claim 4 in an amount of 0.2 to 30% by weight of silica, in terms of the polysiloxane.
Claim 6
Dependent Claim
43 words
A rubber composition comprising silica and a silane coupling agent and/or a polysiloxane having alkoxysilyl groups, wherein a silanol condensation catalyst in an amount of 0.5 to 200% by weight of the silane coupling agent and/or polysiloxane having alkoxysilyl groups is further contained.
Claim 7
Dependent Claim
16 words
A rubber composition as claimed in claim 6, wherein the silanol catalyst is a titanium-based catalyst.
References Cited (Backward Citations)
No citation records indexed.
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