JP2021105128A5 - - Google Patents
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- JP2021105128A5 JP2021105128A5 JP2019237223A JP2019237223A JP2021105128A5 JP 2021105128 A5 JP2021105128 A5 JP 2021105128A5 JP 2019237223 A JP2019237223 A JP 2019237223A JP 2019237223 A JP2019237223 A JP 2019237223A JP 2021105128 A5 JP2021105128 A5 JP 2021105128A5
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- JP
- Japan
- Prior art keywords
- acrylic rubber
- derived
- weight
- emulsion polymerization
- rubber according
- 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.)
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- 229920000800 acrylic rubber Polymers 0.000 claims description 15
- 229920000058 polyacrylate Polymers 0.000 claims description 15
- -1 acrylate ester Chemical class 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 7
- 238000007720 emulsion polymerization reaction Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 5
- 230000015271 coagulation Effects 0.000 claims description 3
- 238000005345 coagulation Methods 0.000 claims description 3
- 239000003995 emulsifying agent Substances 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- 229910019142 PO4 Inorganic materials 0.000 claims description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
- 229910052783 alkali metal Inorganic materials 0.000 claims description 2
- 239000011575 calcium Substances 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 239000000701 coagulant Substances 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 239000010452 phosphate Substances 0.000 claims description 2
- 239000011574 phosphorus Substances 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 238000006116 polymerization reaction Methods 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000011593 sulfur Substances 0.000 claims description 2
- 229910052717 sulfur Inorganic materials 0.000 claims description 2
- 239000000178 monomer Substances 0.000 claims 7
- 125000005397 methacrylic acid ester group Chemical group 0.000 claims 3
- 125000005396 acrylic acid ester group Chemical group 0.000 claims 2
- 238000005406 washing Methods 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- 230000001112 coagulating effect Effects 0.000 claims 1
- 230000018044 dehydration Effects 0.000 claims 1
- 238000006297 dehydration reaction Methods 0.000 claims 1
- 230000001804 emulsifying effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000002685 polymerization catalyst Substances 0.000 claims 1
- 238000007711 solidification Methods 0.000 claims 1
- 230000008023 solidification Effects 0.000 claims 1
Description
本発明のアクリルゴムにおいては、全灰分中のリン、マグネシウム、カルシウム、ナトリウム及びイオウの合計量が全灰分量に対する割合で５０重量％以上であることが好ましい。
本発明のアクリルゴムにおいては、リン酸エステル塩又は硫酸エステル塩を乳化剤として使用し乳化重合したものであることが好ましい。
本発明のアクリルゴムにおいては、乳化重合した重合液をアルカリ金属塩を凝固剤として使用することにより凝固させ、乾燥したものであることが好ましい。
本発明のアクリルゴムにおいては、凝固後にスクリュー押出機を用いて乾燥されたものであることが好ましい。
本発明のアクリルゴムにおいては、前記スクリュー押出機を用いた乾燥が、実質的に水分を含まない状態で行われたものであることが好ましい。
本発明のアクリルゴムにおいては、前記スクリュー押出機を用いた乾燥が、減圧下で行われたものであることが好ましい。
In the acrylic rubber of the present invention, the total amount of phosphorus, magnesium, calcium, sodium and sulfur in the total ash content is preferably 50% by weight or more relative to the total ash content.
The acrylic rubber of the present invention is preferably emulsion-polymerized using a phosphate ester salt or a sulfate ester salt as an emulsifier.
In the acrylic rubber of the present invention, it is preferable to coagulate a polymerization liquid obtained by emulsion polymerization using an alkali metal salt as a coagulant, and then dry.
The acrylic rubber of the present invention is preferably dried using a screw extruder after coagulation.
In the acrylic rubber of the present invention, it is preferable that the drying using the screw extruder is carried out in a substantially water-free state.
In the acrylic rubber of the present invention, it is preferable that the drying using the screw extruder is carried out under reduced pressure.
Claims (9)
得られた乳化重合液を撹拌されている凝固液に添加して含水クラムを生成させる凝固工程と、
生成した含水クラムを洗浄する洗浄工程と、
洗浄した含水クラムをスクリュー型押出機で脱水及び乾燥する脱水乾燥工程と、
を含む、請求項１～８のいずれか一項に記載のアクリルゴムを製造するための製造方法。 Acrylic acid ester (a), methacrylic acid ester and/or ethylenically unsaturated dicarboxylic acid diester (b), reactive group-containing monomer (c), and optionally other copolymerizable monomers ( an emulsion polymerization step of emulsifying the monomer component consisting of d) with water and an emulsifier, followed by emulsion polymerization in the presence of a polymerization catalyst to obtain an emulsion polymerization liquid;
a coagulation step of adding the obtained emulsion polymerization liquid to the agitated coagulation liquid to generate water-containing crumbs;
a washing step for washing the produced hydrous crumbs;
A dehydration drying step of dehydrating and drying the washed wet crumbs with a screw extruder;
A production method for producing the acrylic rubber according to any one of claims 1 to 8 , comprising
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019237223A JP2021105128A (en) | 2019-12-26 | 2019-12-26 | Acryl rubber having excellent heat resistance, water resistance and workability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019237223A JP2021105128A (en) | 2019-12-26 | 2019-12-26 | Acryl rubber having excellent heat resistance, water resistance and workability |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2021105128A JP2021105128A (en) | 2021-07-26 |
| JP2021105128A5 true JP2021105128A5 (en) | 2022-12-20 |
Family
ID=76919424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019237223A Pending JP2021105128A (en) | 2019-12-26 | 2019-12-26 | Acryl rubber having excellent heat resistance, water resistance and workability |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2021105128A (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004131654A (en) * | 2002-10-11 | 2004-04-30 | Nippon Zeon Co Ltd | Method for recovery of polymer and recovering apparatus |
| JP4782355B2 (en) * | 2002-10-25 | 2011-09-28 | 日本ゼオン株式会社 | Nitrile group-containing conjugated diene rubber and process for producing the same |
| TW201817800A (en) * | 2016-10-31 | 2018-05-16 | 日商日本瑞翁股份有限公司 | Acrylic rubber and crosslinked rubber |
| CN110198971B (en) * | 2017-01-27 | 2022-03-11 | 日本瑞翁株式会社 | Method for producing acrylic rubber |
| JPWO2018143101A1 (en) * | 2017-01-31 | 2019-11-21 | 日本ゼオン株式会社 | Acrylic rubber, acrylic rubber composition, and crosslinked acrylic rubber |
| WO2019078167A1 (en) * | 2017-10-16 | 2019-04-25 | デンカ株式会社 | Method for producing acrylic rubber, acrylic rubber, acrylic rubber composition, vulcanized substance thereof, and application for vulcanized substance |
-
2019
- 2019-12-26 JP JP2019237223A patent/JP2021105128A/en active Pending
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