JP2019099743A5 - - Google Patents
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- JP2019099743A5 JP2019099743A5 JP2017234562A JP2017234562A JP2019099743A5 JP 2019099743 A5 JP2019099743 A5 JP 2019099743A5 JP 2017234562 A JP2017234562 A JP 2017234562A JP 2017234562 A JP2017234562 A JP 2017234562A JP 2019099743 A5 JP2019099743 A5 JP 2019099743A5
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- JP
- Japan
- Prior art keywords
- content
- rubber
- mass
- composition according
- rubber composition
- Prior art date
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- 229920001971 elastomer Polymers 0.000 claims 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 8
- 150000001993 dienes Chemical class 0.000 claims 4
- 239000000945 filler Substances 0.000 claims 4
- 229920000642 polymer Polymers 0.000 claims 4
- 239000000377 silicon dioxide Substances 0.000 claims 4
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 3
- 239000006229 carbon black Substances 0.000 claims 3
- 125000000524 functional group Chemical group 0.000 claims 3
- 229920003049 isoprene rubber Polymers 0.000 claims 3
- RRHGJUQNOFWUDK-UHFFFAOYSA-N isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims 2
- 229920001194 natural rubber Polymers 0.000 claims 2
- 229910052757 nitrogen Inorganic materials 0.000 claims 2
- 125000004433 nitrogen atoms Chemical group N* 0.000 claims 2
- 125000004430 oxygen atoms Chemical group O* 0.000 claims 2
- 229910052710 silicon Inorganic materials 0.000 claims 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 2
- 240000008528 Hevea brasiliensis Species 0.000 claims 1
Claims (7)
天然ゴム及びポリイソプレンゴムからなる群より選択される少なくとも１つのイソプレン系ゴム（Ａ−１）及び前記充填剤に対して親和性を有する官能基を有し、前記イソプレン系ゴム（Ａ−１）と非相溶である変性共役ジエン系重合体（Ａ−２）を含むゴム成分（Ａ）と、
を含み、
前記ゴム成分（Ａ）中、前記イソプレン系ゴム（Ａ−１）の含有量が５０〜８５質量％、かつ前記変性共役ジエン系重合体（Ａ−２）の含有量が１５〜５０質量％であり、
前記カーボンブラック（Ｂ）の含有量（ｂ）と前記シリカ（Ｃ）の含有量（ｃ）との合計量が、ゴム成分（Ａ）１００質量部に対して３０〜８０質量部であり、
前記含有量（ｂ）と前記の含有量（ｃ）との割合が、質量基準で、（ｂ）：（ｃ）＝６０〜８５：４０〜１５であり、
前記ゴム成分（Ａ）中の未変性の共役ジエン系重合体（Ａ−３）の含有量が０〜２０質量％であるゴム組成物。 A filler cetyltrimethylammonium bromide specific surface containing carbon black 20~195m 2 / g (B) and cetyl trimethyl ammonium bromide specific surface area of 200 meters 2 / g or more silica (C),
At least one isoprene rubber (A-1) selected from the group consisting of natural rubber and polyisoprene rubber, and a functional group having an affinity for the filler, and the isoprene rubber (A-1). A rubber component (A) containing a modified conjugated diene polymer (A-2) which is incompatible with
Including,
In the rubber component (A), the content of the isoprene rubber (A-1) is 50 to 85% by mass, and the content of the modified conjugated diene polymer (A-2) is 15 to 50% by mass. Yes,
The total amount of the content (b) of the carbon black (B) and the content (c) of the silica (C) is 30 to 80 parts by mass with respect to 100 parts by mass of the rubber component (A),
The ratio of content of the (b) content of the (c) and is, by weight, (b) :( c) = 60~85: 40~15 der is,
The rubber component (A) unmodified conjugated diene polymer in (A-3) content of 0 to 20% by mass Ru rubber composition.
A tire using the rubber composition according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017234562A JP7103574B2 (en) | 2017-12-06 | 2017-12-06 | Rubber composition and tires |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017234562A JP7103574B2 (en) | 2017-12-06 | 2017-12-06 | Rubber composition and tires |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2019099743A JP2019099743A (en) | 2019-06-24 |
| JP2019099743A5 true JP2019099743A5 (en) | 2020-08-27 |
| JP7103574B2 JP7103574B2 (en) | 2022-07-20 |
Family
ID=66976048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017234562A Active JP7103574B2 (en) | 2017-12-06 | 2017-12-06 | Rubber composition and tires |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP7103574B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112225959A (en) * | 2020-10-30 | 2021-01-15 | 中国科学院长春应用化学研究所 | High-wear-resistance low-heat-generation synthetic natural rubber composite material and preparation method and application thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001240706A (en) * | 2000-02-29 | 2001-09-04 | Bridgestone Corp | Rubber composition and pneumatic tire using the same |
| JP2011174048A (en) * | 2010-01-27 | 2011-09-08 | Sumitomo Rubber Ind Ltd | Tire tread rubber composition for two-wheeled vehicle, and tire for two-wheeled vehicle |
| US20120208919A1 (en) * | 2011-02-15 | 2012-08-16 | Carlo Kanz | Pneumatic tire |
| JP6213091B2 (en) * | 2013-09-19 | 2017-10-18 | 横浜ゴム株式会社 | Rubber composition for undertread |
| JP5888361B2 (en) * | 2014-04-03 | 2016-03-22 | 横浜ゴム株式会社 | Rubber composition for tire tread |
| JP6897176B2 (en) * | 2017-03-10 | 2021-06-30 | 住友ゴム工業株式会社 | Rubber composition for tires and pneumatic tires |
-
2017
- 2017-12-06 JP JP2017234562A patent/JP7103574B2/en active Active
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