JP2021517611A - 第1のプライを含む製品の製造方法 - Google Patents
第1のプライを含む製品の製造方法 Download PDFInfo
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- JP2021517611A JP2021517611A JP2020542799A JP2020542799A JP2021517611A JP 2021517611 A JP2021517611 A JP 2021517611A JP 2020542799 A JP2020542799 A JP 2020542799A JP 2020542799 A JP2020542799 A JP 2020542799A JP 2021517611 A JP2021517611 A JP 2021517611A
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Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/16—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment
- D21H11/18—Highly hydrated, swollen or fibrillatable fibres
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/02—Synthetic cellulose fibres
- D21H13/08—Synthetic cellulose fibres from regenerated cellulose
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/10—Organic non-cellulose fibres
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/28—Starch
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/34—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising cellulose or derivatives thereof
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/36—Coatings with pigments
- D21H19/38—Coatings with pigments characterised by the pigments
- D21H19/40—Coatings with pigments characterised by the pigments siliceous, e.g. clays
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/80—Paper comprising more than one coating
- D21H19/82—Paper comprising more than one coating superposed
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- 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
- D21H21/06—Paper forming aids
- D21H21/10—Retention agents or drainage improvers
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- 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
- D21H21/18—Reinforcing agents
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- 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
- D21H21/50—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 form
- D21H21/52—Additives of definite length or shape
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- 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
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- 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
- D21H23/24—Addition to the formed paper during paper manufacture
- D21H23/26—Addition to the formed paper during paper manufacture by selecting point of addition or moisture content of the paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- 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
- D21H23/24—Addition to the formed paper during paper manufacture
- D21H23/26—Addition to the formed paper during paper manufacture by selecting point of addition or moisture content of the paper
- D21H23/28—Addition before the dryer section, e.g. at the wet end or press section
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- 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
- D21H23/46—Pouring or allowing the fluid to flow in a continuous stream on to the surface, the entire stream being carried away by the paper
- D21H23/48—Curtain coaters
Abstract
Description
第1のプライ(層)を含む製品の製造方法であって、
− 繊維を含む繊維懸濁液を提供するステップ;
− 前記繊維懸濁液を多孔質媒体に提供して、繊維を含む基材を形成するステップ;
− 第1の強化剤を含む第1の添加剤懸濁液を提供するステップであって、この第1の強化剤はミクロフィブリル化セルロースであるステップ;
− 少なくとも1つの保持剤および/または少なくとも1つの排水剤を含む第2の添加剤懸濁液を提供するステップ;
− 前記多孔質媒体上で前記基材を脱水するステップ;
− 前記多孔質媒体上での前記基材の前記脱水中に前記基材への添加剤付加を行うステップであって、この添加剤付加は、基材が20重量%未満、好ましくは10重量%未満、最も好ましくは7重量%未満の乾燥含有量を有するときに行われ、かつ、添加剤付加は、多層カーテンコーティングにより、前記基材に、少なくとも前記第1の添加剤懸濁液の層および前記第2の添加剤懸濁液の層を付加することを含むステップ;ならびに
− 前記多孔質媒体上での前記脱水の後に、前記基材をさらに脱水および乾燥し、それによって前記第1のプライを提供するステップ
を含む、上記方法。
Claims (20)
- 第1のプライを含む製品の製造方法であって、
− 繊維を含む繊維懸濁液を提供するステップ;
− 前記繊維懸濁液を多孔質媒体に提供して、繊維を含む基材を形成するステップ;
− 第1の強化剤を含む第1の添加剤懸濁液を提供するステップであって、この第1の強化剤はミクロフィブリル化セルロースであるステップ;
− 少なくとも1つの保持剤および/または少なくとも1つの排水剤を含む第2の添加剤懸濁液を提供するステップ;
− 前記多孔質媒体上で前記基材を脱水するステップ;
− 前記多孔質媒体上での前記基材の前記脱水中に前記基材への添加剤付加を行うステップであって、この添加剤付加は、基材が20重量%未満、好ましくは10重量%未満、最も好ましくは7重量%未満の乾燥含有量を有するときに行われ、かつ、添加剤付加は、多層カーテンコーティングにより、前記基材に、少なくとも前記第1の添加剤懸濁液の層および前記第2の添加剤懸濁液の層を付加することを含むステップ;ならびに
− 前記多孔質媒体上での前記脱水の後に、前記基材をさらに脱水および乾燥し、それによって前記第1のプライを提供するステップ
を含む、上記方法。 - 多層カーテンコーティングによって基材に付加される複数の層が同時に付加される、請求項1に記載の方法。
- 多層カーテンコーティングによって基材に付加される複数の層が非同時に付加される、請求項1に記載の方法。
- 前記第1の添加剤懸濁液が、保持剤、排水剤、フィラー、剥離剤、脱泡剤、着色剤、光学剤、内部サイジング剤、固定剤および強化剤の群から選択される少なくとも1つのさらなる成分を含む、請求項1〜3のいずれか1項に記載の方法。
- 前記第1の添加剤懸濁液が、デンプン粒子、顆粒もしくは溶解デンプンなどのデンプン、ラテックスなどの合成バインダー、変性デンプン、プロテインなどの変性バイオポリマー、および、カルボキシメチルセルロースナトリウム、グアーガム、ヘミセルロースなどの他の天然多糖類、またはリグニンの群から選択される少なくとも1つの第2の強化剤を含む、請求項1〜4のいずれか1項に記載の方法。
- 前記第2の添加剤懸濁液が、強化剤、フィラー、剥離剤、脱泡剤、着色剤、光学剤、内部サイジング剤および固定剤の群から選択される少なくとも1つのさらなる成分を含む、請求項1〜5のいずれか1項に記載の方法。
- 前記第2添加剤懸濁液が、ミクロフィブリル化セルロース、デンプン粒子、顆粒もしくは溶解デンプンなどのデンプン、ラテックスなどの合成バインダー、変性デンプン、プロテインなどの変性バイオポリマー、および、カルボキシメチルセルロースナトリウム、グアーガム、ヘミセルロースなどの他の天然多糖類、またはリグニンの群から選択される少なくとも1つの強化剤を含む、請求項6に記載の方法。
- 前記添加剤付加により前記基材に付加されたミクロフィブリル化セルロースの総量が、前記の提供された第1のプライ1トン当たり乾燥基準で0.1〜30kgである、請求項1〜7のいずれか1項に記載の方法。
- 前記添加剤付加によって前記基材に付加される保持剤(単一種もしくは複数種)および/または排水剤(単一種もしくは複数種)の総量が、前記の提供された第1のプライ1トン当たり乾燥基準で10g〜5kgである、請求項1〜8のいずれか1項に記載の方法。
- 前記第2の添加剤懸濁液の少なくとも1つの保持剤が、ナノ粒子またはミクロ粒子を含む、請求項1〜9のいずれか1項に記載の方法。
- 前記第2の添加剤懸濁液が少なくとも2つの保持剤を含み、前記少なくとも2つの保持剤の1つがミクロ粒子またはナノ粒子を含み、前記少なくとも2つの保持剤の1つがカチオン性ポリマー、アニオン性ポリマーまたは両性ポリマーを含む、請求項1〜10のいずれか1項に記載の方法。
- 前記ミクロ粒子またはナノ粒子が中性、酸性またはアルカリ性のpHでカチオン性またはアニオン性である、請求項10または11に記載の方法。
- 前記ミクロ粒子またはナノ粒子が、コロイドシリカ、ミクロシリカもしくはゾルゲルシリカなどのシリカ、またはミクロベントナイトもしくはナノベントナイトなどのベントナイト、または粘土粒子を含む、請求項10〜12のいずれか1項に記載の方法。
- 前記繊維懸濁液の前記繊維が、セルロース繊維、好ましくは化学パルプ、化学熱機械パルプ(CTMP)、熱機械パルプ(TMP)、機械パルプ、ナノパルプもしくはリサイクルパルプ、またはそれらの混合物からのセルロース繊維を含む、請求項1〜13のいずれか1項に記載の方法。
- 前記セルロース繊維が、12〜50°、好ましくは15〜30°のショッパー・リーグラー値を有する、請求項14に記載の方法。
- 懸濁液中の繊維が、再生セルロースおよび/またはポリマー繊維などの合成繊維から形成された繊維である、請求項1〜13のいずれか1項に記載の方法。
- 前記繊維懸濁液が、ミクロフィブリル化セルロースをさらに含む、請求項1〜16のいずれか1項に記載の方法。
- 前記製品が複数プライの紙または板紙製品であり、前記方法が、前記の提供された第1のプライを少なくとも第2のプライに取り付けるステップをさらに含む、請求項1〜15または17のいずれか1項に記載の方法。
- 請求項1〜15、17〜18のいずれか1項に記載の方法に従って得られる製品であって、紙製品または板紙製品である製品。
- 請求項1〜17のいずれか1項に記載の方法に従って得られる製品であって、不織製品である製品。
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PCT/IB2019/051484 WO2019166929A1 (en) | 2018-02-27 | 2019-02-25 | Method for production of a product comprising a first ply |
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AU2017247688B2 (en) | 2016-04-04 | 2020-11-05 | Fiberlean Technologies Limited | Compositions and methods for providing increased strength in ceiling, flooring, and building products |
SE542388C2 (en) * | 2018-02-02 | 2020-04-21 | Stora Enso Oyj | Process for production of film comprising microfibrillated cellulose |
WO2021224778A1 (en) * | 2020-05-04 | 2021-11-11 | Chang Yiu Wen | Method, appratus, and system of a fibrillated nanocellulose material |
US11549216B2 (en) | 2020-11-11 | 2023-01-10 | Sappi North America, Inc. | Oil/grease resistant paper products |
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