JP2022095599A5 - - Google Patents
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- JP2022095599A5 JP2022095599A5 JP2021206473A JP2021206473A JP2022095599A5 JP 2022095599 A5 JP2022095599 A5 JP 2022095599A5 JP 2021206473 A JP2021206473 A JP 2021206473A JP 2021206473 A JP2021206473 A JP 2021206473A JP 2022095599 A5 JP2022095599 A5 JP 2022095599A5
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- JP
- Japan
- Prior art keywords
- polyester film
- functional layer
- agent
- recovering
- hydroxyl
- 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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- 229920006267 polyester film Polymers 0.000 claims 27
- 239000002346 layers by function Substances 0.000 claims 17
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims 15
- 239000003795 chemical substances by application Substances 0.000 claims 14
- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical compound C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 claims 12
- -1 amine compound Chemical class 0.000 claims 11
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims 9
- 239000012459 cleaning agent Substances 0.000 claims 9
- 238000004140 cleaning Methods 0.000 claims 7
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 claims 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 6
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims 6
- 150000001875 compounds Chemical class 0.000 claims 6
- 238000004519 manufacturing process Methods 0.000 claims 6
- 229920000728 polyester Polymers 0.000 claims 6
- 150000001298 alcohols Chemical class 0.000 claims 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 5
- 238000011084 recovery Methods 0.000 claims 3
- 235000019445 benzyl alcohol Nutrition 0.000 claims 2
- 238000001035 drying Methods 0.000 claims 2
- 238000005406 washing Methods 0.000 claims 2
- 125000003118 aryl group Chemical group 0.000 claims 1
- 238000005520 cutting process Methods 0.000 claims 1
- 239000003599 detergent Substances 0.000 claims 1
- WVDDGKGOMKODPV-ZQBYOMGUSA-N phenyl(114C)methanol Chemical compound O[14CH2]C1=CC=CC=C1 WVDDGKGOMKODPV-ZQBYOMGUSA-N 0.000 claims 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims 1
Claims (21)
前記機能層除去工程（Ａ）は、洗浄剤を用いて、ポリエステルフィルムの表面に機能層を備える積層ポリエステルフィルムの機能層を除去する工程であり、
前記洗浄剤（但し、モルホリン濃度が５０質量％以上のモルホリン液を除く。）は、（ａ）アルカリ性化剤（（ｂ）成分として水酸基含有アミン化合物を含有する場合には、水酸基含有アミン化合物を除く。）、（ｂ）相溶化剤及び（ｃ）少なくとも一つの水酸基を有する化合物としてのアルコール類を含有し、
前記（ｂ）相溶化剤として、芳香族スルホン酸塩及び水酸基含有アミン化合物からなる群から選ばれる少なくとも１種を含み、
前記（ｃ）少なくとも一つの水酸基を有する化合物としてのアルコール類として、ベンジルアルコールを含む酸性度定数（ｐＫａ）８．０以上２０．０以下のアルコール類を含み、
前記回収工程（Ｂ）は、前記機能層を除去したポリエステルフィルムを回収する工程である、リサイクルポリエステル製品の製造方法。 Having a functional layer removing step (A) and a recovering step (B),
The functional layer removing step (A) is a step of removing the functional layer of the laminated polyester film provided with the functional layer on the surface of the polyester film using a detergent ,
The cleaning agent (excluding a morpholine solution having a morpholine concentration of 50% by mass or more) contains (a) an alkalinizing agent (when a hydroxyl-containing amine compound is contained as component (b), a hydroxyl-containing amine compound (b ) a compatibilizer and (c) an alcohol as a compound having at least one hydroxyl group,
As the (b) compatibilizer, at least one selected from the group consisting of aromatic sulfonates and hydroxyl-containing amine compounds,
The (c) alcohol as a compound having at least one hydroxyl group includes an alcohol having an acidity constant (pKa) of 8.0 or more and 20.0 or less, including benzyl alcohol,
The recovery step (B) is a method for producing a recycled polyester product , wherein the polyester film from which the functional layer has been removed is recovered.
前記（ｂ）相溶化剤として、芳香族スルホン酸塩及び水酸基含有アミン化合物からなる群から選ばれる少なくとも１種を含み、
前記（ｃ）少なくとも一つの水酸基を有する化合物としてのアルコール類としてベンジルアルコールを含む酸性度定数（ｐＫａ）８．０以上２０．０以下のアルコール類を含み、
前記洗浄装置で洗浄され、機能層が除去されたポリエステルフィルムを回収することを特徴とする、ポリエステルフィルムの回収装置。 A polyester film recovery apparatus having a cleaning device, the cleaning device having a cleaning tank containing a cleaning agent, a laminated polyester film having a functional layer on the surface of the polyester film is treated with (a) an alkalinizing agent ( When a hydroxyl-containing amine compound is contained as a component (b), the hydroxyl-containing amine compound is excluded.), (b) a compatibilizer, and (c) a cleaning containing an alcohol as a compound having at least one hydroxyl group. A device for cleaning by immersing in an agent (excluding a morpholine solution with a morpholine concentration of 50% by mass or more),
As the (b) compatibilizer, at least one selected from the group consisting of aromatic sulfonates and hydroxyl-containing amine compounds,
(c) alcohols as compounds having at least one hydroxyl group, including alcohols having an acidity constant (pKa) of 8.0 or more and 20.0 or less, including benzyl alcohol;
An apparatus for recovering a polyester film, which recovers the polyester film from which the functional layer has been removed by the cleaning apparatus.
前記除去剤（但し、モルホリン濃度が５０質量％以上のモルホリン液を除く。）は、（ａ）アルカリ性化剤（（ｂ）成分として水酸基含有アミン化合物を含有する場合には、水酸基含有アミン化合物を除く。）、（ｂ）相溶化剤及び（ｃ）少なくとも一つの水酸基を有する化合物としてのアルコール類を含有し、前記（ｂ）相溶化剤として、芳香族スルホン酸塩及び水酸基含有アミン化合物からなる群から選ばれる少なくとも１種を含み、前記（ｃ）少なくとも一つの水酸基を有する化合物としてのアルコール類としてベンジルアルコールを含む酸性度定数（ｐＫａ）８．０以上２０．０以下のアルコール類を含む、ポリエステルフィルム用機能層除去剤。 A removing agent for removing a functional layer from a laminated polyester film having a functional layer on the surface of the polyester film,
The remover (excluding a morpholine solution having a morpholine concentration of 50% by mass or more) includes (a) an alkalinizing agent (when a hydroxyl-containing amine compound is contained as component (b), a hydroxyl-containing amine compound , (b ) a compatibilizer and (c) an alcohol as a compound having at least one hydroxyl group, wherein the (b) compatibilizer comprises an aromatic sulfonate and a hydroxyl group-containing amine compound including at least one selected from the group, and including benzyl alcohol as the alcohol as the (c) compound having at least one hydroxyl group, and having an acidity constant (pKa) of 8.0 or more and 20.0 or less , Functional layer remover for polyester film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021206473A JP7196990B2 (en) | 2020-12-16 | 2021-12-20 | Polyester film recovery method, recovery device and functional layer remover |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020208861A JP7196901B2 (en) | 2020-12-16 | 2020-12-16 | Polyester film recovery method, recovery device and functional layer remover |
| JP2021206473A JP7196990B2 (en) | 2020-12-16 | 2021-12-20 | Polyester film recovery method, recovery device and functional layer remover |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020208861A Division JP7196901B2 (en) | 2020-03-31 | 2020-12-16 | Polyester film recovery method, recovery device and functional layer remover |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2022095599A JP2022095599A (en) | 2022-06-28 |
| JP2022095599A5 true JP2022095599A5 (en) | 2022-09-09 |
| JP7196990B2 JP7196990B2 (en) | 2022-12-27 |
Family
ID=87884867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021206473A Active JP7196990B2 (en) | 2020-12-16 | 2021-12-20 | Polyester film recovery method, recovery device and functional layer remover |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP7196990B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7318778B1 (en) * | 2022-07-26 | 2023-08-01 | 東洋インキＳｃホールディングス株式会社 | Separation and collection method of base material |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4003881A (en) * | 1975-02-24 | 1977-01-18 | Monsanto Company | Polyester polymer recovery from dyed polyester fabrics |
| JPS5394381A (en) * | 1977-01-28 | 1978-08-18 | Teijin Ltd | Recovery of base film from magnetic recording material |
| JPS5466985A (en) * | 1977-11-07 | 1979-05-29 | Nippon Zeon Co Ltd | Treatment of waste magnetic tapes |
| JPH09271748A (en) * | 1996-04-09 | 1997-10-21 | Matsushita Electric Ind Co Ltd | Treatment of printed circuit board |
| JP3114060B2 (en) * | 1997-08-12 | 2000-12-04 | 広島県 | Method and apparatus for regenerating polymer waste containing polyester |
| JP2000025041A (en) * | 1998-07-14 | 2000-01-25 | Unitika Ltd | Separating method of coated layer from resin film |
| JP3270037B2 (en) * | 2000-02-22 | 2002-04-02 | パナック工業株式会社 | Collection method for synthetic resin substrates |
| JP2005321537A (en) * | 2004-05-07 | 2005-11-17 | Konica Minolta Medical & Graphic Inc | Method for recovering resin support |
| JP2006088334A (en) * | 2004-09-21 | 2006-04-06 | Panakku Kogyo Kk | Method for removing layer of different quality on thermoplastic resin base material, method for recovering thermoplastic resin and molded product |
| JP2010065230A (en) * | 2009-12-15 | 2010-03-25 | Hitachi Chem Co Ltd | Process liquid for decomposition or dissolution of ester bond-containing macromolecule, treating method using the process liquid, and method of separating composite material |
| JP6687031B2 (en) * | 2016-03-08 | 2020-04-22 | 日立化成株式会社 | Inorganic material separation method, recycled material production method, and organic matter removal method |
| EP3854841B1 (en) * | 2018-09-19 | 2023-07-26 | DIC Corporation | Method for separating and recovering layered film |
-
2021
- 2021-12-20 JP JP2021206473A patent/JP7196990B2/en active Active
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