JPS6335654B2 - - Google Patents
Info
- Publication number
- JPS6335654B2 JPS6335654B2 JP11358778A JP11358778A JPS6335654B2 JP S6335654 B2 JPS6335654 B2 JP S6335654B2 JP 11358778 A JP11358778 A JP 11358778A JP 11358778 A JP11358778 A JP 11358778A JP S6335654 B2 JPS6335654 B2 JP S6335654B2
- Authority
- JP
- Japan
- Prior art keywords
- styrene
- molecular weight
- copolymer rubber
- distribution
- butadiene copolymer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 229920001971 elastomer Polymers 0.000 claims description 67
- 239000005060 rubber Substances 0.000 claims description 67
- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 claims description 67
- 238000009826 distribution Methods 0.000 claims description 52
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 35
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 30
- 238000005227 gel permeation chromatography Methods 0.000 claims description 29
- 239000000203 mixture Substances 0.000 claims description 13
- 239000003054 catalyst Substances 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 9
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 7
- 229910052744 lithium Inorganic materials 0.000 claims description 7
- 230000002902 bimodal effect Effects 0.000 claims description 6
- 229920001577 copolymer Polymers 0.000 description 33
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 24
- 230000000704 physical effect Effects 0.000 description 23
- 238000000034 method Methods 0.000 description 22
- 229920000642 polymer Polymers 0.000 description 16
- 238000006116 polymerization reaction Methods 0.000 description 16
- MZRVEZGGRBJDDB-UHFFFAOYSA-N N-Butyllithium Chemical compound [Li]CCCC MZRVEZGGRBJDDB-UHFFFAOYSA-N 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 10
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 8
- 238000002156 mixing Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000004458 analytical method Methods 0.000 description 6
- 239000000178 monomer Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000007822 coupling agent Substances 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 2
- VXEGSRKPIUDPQT-UHFFFAOYSA-N 4-[4-(4-methoxyphenyl)piperazin-1-yl]aniline Chemical compound C1=CC(OC)=CC=C1N1CCN(C=2C=CC(N)=CC=2)CC1 VXEGSRKPIUDPQT-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000005049 silicon tetrachloride Substances 0.000 description 2
- VIZORQUEIQEFRT-UHFFFAOYSA-N Diethyl adipate Chemical compound CCOC(=O)CCCCC(=O)OCC VIZORQUEIQEFRT-UHFFFAOYSA-N 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 229920001744 Polyaldehyde Polymers 0.000 description 1
- 229920002732 Polyanhydride Polymers 0.000 description 1
- 229910021627 Tin(IV) chloride Inorganic materials 0.000 description 1
- BHELZAPQIKSEDF-UHFFFAOYSA-N allyl bromide Chemical compound BrCC=C BHELZAPQIKSEDF-UHFFFAOYSA-N 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000012438 extruded product Nutrition 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 150000002896 organic halogen compounds Chemical class 0.000 description 1
- 238000006864 oxidative decomposition reaction Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 229920001470 polyketone Polymers 0.000 description 1
- 239000002685 polymerization catalyst Substances 0.000 description 1
- 229920006216 polyvinyl aromatic Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Polymerisation Methods In General (AREA)
- Polymerization Catalysts (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11358778A JPS5540712A (en) | 1978-09-18 | 1978-09-18 | Styrene-butadiene copolymer rubber having enlarged molecular weight and composition distribution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11358778A JPS5540712A (en) | 1978-09-18 | 1978-09-18 | Styrene-butadiene copolymer rubber having enlarged molecular weight and composition distribution |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5540712A JPS5540712A (en) | 1980-03-22 |
| JPS6335654B2 true JPS6335654B2 (enrdf_load_stackoverflow) | 1988-07-15 |
Family
ID=14615990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11358778A Granted JPS5540712A (en) | 1978-09-18 | 1978-09-18 | Styrene-butadiene copolymer rubber having enlarged molecular weight and composition distribution |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5540712A (enrdf_load_stackoverflow) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6030562B2 (ja) * | 1980-09-10 | 1985-07-17 | 株式会社ブリヂストン | 改良されたトレツドを有する空気入りタイヤ |
| JPS5753511A (en) * | 1980-09-17 | 1982-03-30 | Asahi Chem Ind Co Ltd | Styrene-butadiene copolymer rubber having novel styrene distribution and its preparation |
| JPS6030563B2 (ja) * | 1980-09-20 | 1985-07-17 | 株式会社ブリヂストン | 改良されたトレツドを備えた空気入りタイヤ |
| JPS57100112A (en) * | 1980-12-16 | 1982-06-22 | Asahi Chem Ind Co Ltd | Perfectly random styrene-butadiene copolymer rubber |
| JPS57179212A (en) * | 1981-04-28 | 1982-11-04 | Asahi Chem Ind Co Ltd | Styrene-butadiene copolymer rubber |
| JPS58154711A (ja) * | 1982-03-11 | 1983-09-14 | Mitsubishi Chem Ind Ltd | スチレン−共役ジエンゴム |
| JPS60240746A (ja) * | 1984-05-16 | 1985-11-29 | Japan Synthetic Rubber Co Ltd | ブタジエン系共重合体ゴム組成物 |
| JP6828957B2 (ja) * | 2016-07-07 | 2021-02-10 | 株式会社ブリヂストン | 重合体の製造方法 |
-
1978
- 1978-09-18 JP JP11358778A patent/JPS5540712A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5540712A (en) | 1980-03-22 |
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