JP6636501B2 - 脂肪酸塩化物を用いるセルロース系繊維状基質ウェブの連続コーティング方法 - Google Patents
脂肪酸塩化物を用いるセルロース系繊維状基質ウェブの連続コーティング方法 Download PDFInfo
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- 235000014113 dietary fatty acids Nutrition 0.000 title claims description 97
- 239000000194 fatty acid Substances 0.000 title claims description 97
- 229930195729 fatty acid Natural products 0.000 title claims description 97
- 150000004665 fatty acids Chemical class 0.000 title claims description 85
- 239000000758 substrate Substances 0.000 title claims description 77
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- -1 aliphatic monocarboxylic acid chlorides Chemical class 0.000 claims description 19
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- LUPUFBOLZLVYOI-UHFFFAOYSA-N 19-hydroxyhexatriacontan-18-one Chemical compound CCCCCCCCCCCCCCCCCC(O)C(=O)CCCCCCCCCCCCCCCCC LUPUFBOLZLVYOI-UHFFFAOYSA-N 0.000 description 4
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- ARBOVOVUTSQWSS-UHFFFAOYSA-N hexadecanoyl chloride Chemical compound CCCCCCCCCCCCCCCC(Cl)=O ARBOVOVUTSQWSS-UHFFFAOYSA-N 0.000 description 3
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- KEMQGTRYUADPNZ-UHFFFAOYSA-N heptadecanoic acid Chemical compound CCCCCCCCCCCCCCCCC(O)=O KEMQGTRYUADPNZ-UHFFFAOYSA-N 0.000 description 2
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- 150000002763 monocarboxylic acids Chemical class 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
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- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 1
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- D21H25/02—Chemical or biochemical treatment
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- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
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- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
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- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
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- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
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- D21H19/00—Coated paper; Coating material
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- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
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- D—TEXTILES; PAPER
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- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
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- D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
- D21H25/04—Physical treatment, e.g. heating, irradiating
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- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
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- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Paper (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
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- Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
Description
a)5%未満、好ましくは4%未満、特に好ましくは3%未満、又は最も好ましくは2%未満のEN ISO 638:2008に従う含水率にセルロース系繊維状基質ウェブを予備乾燥する工程と、
b)20%rH未満のDIN EN 20187に従う相対湿度、及び液体脂肪酸塩化物組成物の沸点以下の温度において、液体脂肪酸塩化物組成物を用いて、工程a)の予備乾燥したセルロース系繊維状基質ウェブにコーティングする工程と、
c)工程b)から得られたセルロース系繊維状基質ウェブの、接触を少なく、又は非接触熱処理工程と、
を含んでなる脂肪酸塩化物を用いるセルロース系繊維状基質ウェブの連続コーティング方法によって、目的を達成し得ることを見出した。
1. 予備乾燥モジュールと、
2. コーティングモジュールと、
3. 熱後処理モジュールと、
を含んでなるコーティング装置である。
A 巻き戻しモジュール
B 予備乾燥モジュール
C コーティングモジュール
D 第一熱後処理モジュール
E 第二熱後処理モジュール
F 巻きモジュール
G 乾燥空気注入口
H 洗浄モジュール
I 外気注入口
J 空気出口
1 計量ロール
2 転写ロール
3 繊維状基質運搬ロール
4 含浸溶液槽
5 貯蔵タンク
6 塗布フィルム
7 繊維状基質ウェブ
8 回収タンク
9 廃棄タンク
原紙の処理は、原紙を110℃、約5%rHにおいて、1.7%の含水率(EN ISO 638:2008に従って)まで接触乾燥で予備乾燥したという相違点がある実験手順1に類似して実施した。この方法で処理した紙は処理した表面側で19g/m2のCoBB60値、裏面で72g/m2のCoBB60値を有した。
原紙の脂肪酸塩化物による処理は、原紙を乾燥せず、5.9%の含水率を有したという相違点がある実験手順1に類似して実施した。この方法で処理した紙は処理した表面側で20g/m2のCoBB60値、裏面で86g/m2のCoBB60値を有した。
原紙の脂肪酸塩化物による処理は、紙を105℃において1分以上、空気循環乾燥炉で予備乾燥したという相違点がある実験手順1に類似して実施した。この方法で処理した紙は処理した表面側で18g/m2のCoBB60値、裏面で18g/m2のCoBB60値を有した。
ドクターブレードNo.2を有するErichsen GmbHのコーティングテーブル上で、かつ25℃においてレベル5のコーティング速度で、20%のポリビニルアルコール水溶液(Mowiol 4−98,加水分解度98%以上)を用いて、5g/m2の単膜を原紙にコーティングした。それによって得られた紙を105℃で24時間乾燥した。コーティングした原紙の脂肪酸塩化物による処理は、実施例3に類似してポリビニルアルコールをコーティングした側で実施した。この方法で処理した紙は処理した表面側で4g/m2のCoBB60値、裏面で58g/m2のCoBB60値を有した。
Claims (12)
- 脂肪酸塩化物を用いるセルロース系繊維状基質ウェブの連続コーティング方法であって、
a)空気循環乾燥炉において、セルロース系繊維状基質ウェブを2%未満のEN ISO 638:2008に従う含水率に予備乾燥する工程と、
b)20%rH未満のDIN EN 20187に従う相対湿度、及び液体脂肪酸塩化物組成物の沸点以下の温度において、前記液体脂肪酸塩化物組成物を用いて、工程a)から得られた予備乾燥したセルロース系繊維状基質ウェブにコーティングする工程であって、前記セルロース繊維基質ウェブがポリビニルアルコールで前処理されない、工程と、
c)工程b)から得られたコーティングされたセルロース系繊維状基質ウェブの非接触熱処理工程と、
を含む、方法。 - 前記液体脂肪酸塩化物組成物が、6〜26個の炭素原子を有する脂肪族モノカルボン酸塩化物、及びそれらの混合物から選択される脂肪酸塩化物を含む、請求項1に記載の方法。
- 前記液体脂肪酸塩化物組成物が、16〜20個の炭素原子を有する脂肪族モノカルボン酸塩化物、及びそれらの混合物から選択される脂肪酸塩化物を含む、請求項2に記載の方法。
- 前記脂肪酸塩化物が、6〜26個の炭素原子を有する飽和脂肪族脂肪酸塩化物、及びそれらの混合物から選択される、請求項2に記載の方法。
- 前記脂肪酸塩化物が、16〜20個の炭素原子を有する飽和脂肪族脂肪酸塩化物、及びそれらの混合物から選択される、請求項4に記載の方法。
- 前記液体脂肪酸塩化物組成物が、前記脂肪酸塩化物組成物の全重量に対して、少なくとも5重量%の脂肪酸塩化物を含む、請求項1又は2に記載の方法。
- 前記液体脂肪酸塩化物組成物が、前記脂肪酸塩化物の物成物の全重量に対して、95重量%超の脂肪酸塩化物を含む、請求項1又は2に記載の方法。
- 工程a)〜c)の少なくとも一つは、20%rH未満のDIN EN 20187に従う相対湿度及び乾燥空気流で、密閉雰囲気中で実施する、請求項1又は2に記載の方法。
- 工程b)における前記コーティングは、ロール塗布方式、特にグラビアオフセット法で実施する、請求項1又は2に記載の方法。
- 工程b)における前記コーティングは、全ての塗布を前記セルロース系繊維状基質ウェブの基本重量g/m2あたり脂肪酸塩化物について、0.1〜10重量%の範囲で実施する、請求項1又は2に記載の方法。
- 工程c)における前記コーティングされたセルロース系繊維状基質ウェブの前記熱処理は、放射処理、特に赤外線乾燥を実施する、請求項1〜10のいずれか一項に記載の方法。
- 工程c)から得られた前記コーティング及び熱処理されたセルロース系繊維状基質ウェブは、20%rH未満のDIN EN 20187に従う相対湿度の乾燥空気雰囲気中で、追加的な工程d)で後処理する、請求項1又は2に記載の方法。
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KR102035571B1 (ko) * | 2017-12-21 | 2019-11-26 | 한국기초과학지원연구원 | 친수성 표면의 방수화 처리 방법 및 친수성 표면의 방수처리용액 |
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SE543029C2 (en) * | 2018-11-16 | 2020-09-29 | Stora Enso Oyj | Method for hydrophobizing a cellulose substrate by utilizing a fatty acid halide |
SE543479C2 (en) * | 2019-07-09 | 2021-03-02 | Stora Enso Oyj | Bio-barrier coated paperboard and laminates thereof |
SE1951393A1 (en) * | 2019-12-04 | 2021-06-05 | Stora Enso Oyj | Water-resistant cellulose-based substrate with improved repulpability |
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KR102193503B1 (ko) | 2020-12-22 |
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