JP2021031503A5 - - Google Patents
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- JP2021031503A5 JP2021031503A5 JP2019148480A JP2019148480A JP2021031503A5 JP 2021031503 A5 JP2021031503 A5 JP 2021031503A5 JP 2019148480 A JP2019148480 A JP 2019148480A JP 2019148480 A JP2019148480 A JP 2019148480A JP 2021031503 A5 JP2021031503 A5 JP 2021031503A5
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- 239000000203 mixture Substances 0.000 claims 37
- 239000000178 monomer Substances 0.000 claims 37
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims 8
- 229920000642 polymer Polymers 0.000 claims 8
- 229920000058 polyacrylate Polymers 0.000 claims 7
- 150000001252 acrylic acid derivatives Chemical class 0.000 claims 5
- 239000002199 base oil Substances 0.000 claims 5
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims 4
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims 4
- 125000000217 alkyl group Chemical group 0.000 claims 3
- 239000000314 lubricant Substances 0.000 claims 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 3
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims 2
- 239000005062 Polybutadiene Substances 0.000 claims 2
- 125000004103 aminoalkyl group Chemical group 0.000 claims 2
- 150000002148 esters Chemical class 0.000 claims 2
- 229920002857 polybutadiene Polymers 0.000 claims 2
- 150000003926 acrylamides Chemical class 0.000 claims 1
- 239000000654 additive Substances 0.000 claims 1
- 230000000996 additive effect Effects 0.000 claims 1
- 125000003118 aryl group Chemical group 0.000 claims 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims 1
- -1 ether alcohols Chemical class 0.000 claims 1
- 230000000977 initiatory effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 230000000379 polymerizing effect Effects 0.000 claims 1
- 238000010526 radical polymerization reaction Methods 0.000 claims 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims 1
- 229920002554 vinyl polymer Polymers 0.000 claims 1
Claims (14)
ａ）（メタ）アクリル酸と数平均分子量１，８００〜２，２００ｇ／ｍｏｌの１つのヒドロキシル化水素化ポリブタジエンとの１つ以上のエステルを、前記モノマー組成物の総質量に対して１５〜３５質量％と、
ｂ）メチル（メタ）アクリレートおよびブチル（メタ）アクリレートを、前記モノマー組成物の総質量に対して５０〜６０質量％と、
ｃ）１つ以上の直鎖または分岐鎖Ｃ７〜Ｃ３０アルキル（メタ）アクリレートを、前記モノマー組成物の総質量に対して５〜３５質量％と
を含み、ここで、メチル（メタ）アクリレートとブチル（メタ）アクリレートとの質量比は、５：１〜３：１であり、かつ前記ポリアルキル（メタ）アクリレートポリマーは、５０，０００〜２５０，０００ｇ／ｍｏｌの質量平均分子量（Ｍ ｗ ）を有する、ポリアルキル（メタ）アクリレートポリマー。 A polyalkyl (meth) acrylate polymer that can be obtained by polymerizing a monomer composition, wherein the monomer composition is
a) One or more esters of (meth) acrylic acid and one hydroxylated hydrogenated polybutadiene with a number average molecular weight of 1,800-2,200 g / mol, 15-35 relative to the total mass of the monomer composition. By mass%,
b) Methyl (meth) acrylate and butyl (meth) acrylate were added in an amount of 50 to 60% by mass based on the total mass of the monomer composition.
The c) 1 or more linear or branched C 7 -C 30 alkyl (meth) acrylate, and a 5 to 35% by weight based on the total weight of the monomer composition, wherein methyl (meth) acrylate The mass ratio of butyl (meth) acrylate to butyl (meth) acrylate is 5: 1-3: 1, and the polyalkyl (meth) acrylate polymer has a mass average molecular weight (M w ) of 50,000 to 250,000 g / mol. the a polyalkyl (meth) acrylate polymer.
ａ）（メタ）アクリル酸と数平均分子量１，８００〜２，２００ｇ／ｍｏｌの１つのヒドロキシル化水素化ポリブタジエンとの１つ以上のエステルを、前記モノマー組成物の総質量に対して１５〜３０質量％と、
ｂ）メチル（メタ）アクリレートおよびブチル（メタ）アクリレートを、前記モノマー組成物の総質量に対して５０〜５５質量％と、
ｃ）１つ以上の直鎖Ｃ１２〜Ｃ１４アルキル（メタ）アクリレートを、前記モノマー組成物の総質量に対して２０〜３０質量％と、
ｄ）スチレンを、前記モノマー組成物の総質量に対して０．１〜２質量％と
を含み、ここで、前記モノマー組成物の総質量に対する前記モノマー組成物のモノマーａ）、ｂ）、ｃ）およびｄ）の質量含分の合計は、１００質量％である、請求項１から８までのいずれか１項記載のポリマー。 The monomer composition is
a) One or more esters of (meth) acrylic acid and one hydroxylated hydrogenated polybutadiene with a number average molecular weight of 1,800-2,200 g / mol, 15-30 with respect to the total mass of the monomer composition. By mass%,
b) Methyl (meth) acrylate and butyl (meth) acrylate were added in an amount of 50 to 55% by mass based on the total mass of the monomer composition.
c) One or more linear C 12 to C 14 alkyl (meth) acrylates may be added in an amount of 20 to 30% by mass based on the total mass of the monomer composition.
d) Styrene contains 0.1 to 2% by mass with respect to the total mass of the monomer composition, where the monomers a), b), c of the monomer composition with respect to the total mass of the monomer composition. The polymer according to any one of claims 1 to 8, wherein the total mass content of) and d) is 100% by mass.
（ｘ）請求項１から９までのいずれか１項記載のモノマー組成物を提供する工程と、
（ｙ）前記モノマー組成物のラジカル重合を開始する工程と
を含む、方法。 A method for producing a polyalkyl (meth) acrylate polymer.
(X) The step of providing the monomer composition according to any one of claims 1 to 9 , and the step of providing the monomer composition.
(Y) A method comprising a step of initiating radical polymerization of the monomer composition.
（ｉｉ）請求項１から９までのいずれか１項記載のポリアルキル（メタ）アクリレートポリマーと
を含む、組成物。 (I) One or more base oils and
(Ii) A composition comprising the polyalkyl (meth) acrylate polymer according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019148480A JP7481814B2 (en) | 2019-08-13 | 2019-08-13 | Viscosity index improver that exhibits improved shear resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019148480A JP7481814B2 (en) | 2019-08-13 | 2019-08-13 | Viscosity index improver that exhibits improved shear resistance |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2021031503A JP2021031503A (en) | 2021-03-01 |
| JP2021031503A5 true JP2021031503A5 (en) | 2021-10-14 |
| JP7481814B2 JP7481814B2 (en) | 2024-05-13 |
Family
ID=74675433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019148480A Active JP7481814B2 (en) | 2019-08-13 | 2019-08-13 | Viscosity index improver that exhibits improved shear resistance |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP7481814B2 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009001447A1 (en) * | 2009-03-10 | 2010-09-16 | Evonik Rohmax Additives Gmbh | Use of comb polymers to improve the load carrying capacity |
| ES2801327T3 (en) * | 2017-12-13 | 2021-01-11 | Evonik Operations Gmbh | Viscosity index improver with improved shear strength and solubility after shear |
| JP6456468B1 (en) * | 2017-12-13 | 2019-01-23 | エボニック オイル アディティヴス ゲゼルシャフト ミット ベシュレンクテル ハフツングＥｖｏｎｉｋ Ｏｉｌ Ａｄｄｉｔｉｖｅｓ ＧｍｂＨ | Viscosity index improver with improved low temperature viscosity and shear resistance |
-
2019
- 2019-08-13 JP JP2019148480A patent/JP7481814B2/en active Active
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