EP4097292C0 - Verfahren zur herstellung eines zellulosepulppe auf hanfbasis, nach dem verfahren erhaltener zellulosebrei und aus dem zellulosepulppe erhaltene produkte - Google Patents

Verfahren zur herstellung eines zellulosepulppe auf hanfbasis, nach dem verfahren erhaltener zellulosebrei und aus dem zellulosepulppe erhaltene produkte

Info

Publication number
EP4097292C0
EP4097292C0 EP21702231.8A EP21702231A EP4097292C0 EP 4097292 C0 EP4097292 C0 EP 4097292C0 EP 21702231 A EP21702231 A EP 21702231A EP 4097292 C0 EP4097292 C0 EP 4097292C0
Authority
EP
European Patent Office
Prior art keywords
cellulose pulp
hemp
producing
products obtained
pulp
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.)
Active
Application number
EP21702231.8A
Other languages
English (en)
French (fr)
Other versions
EP4097292A1 (de
EP4097292B1 (de
Inventor
Charles Reboux
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rbx Creations
Original Assignee
Rbx Creations
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rbx Creations filed Critical Rbx Creations
Publication of EP4097292A1 publication Critical patent/EP4097292A1/de
Application granted granted Critical
Publication of EP4097292C0 publication Critical patent/EP4097292C0/de
Publication of EP4097292B1 publication Critical patent/EP4097292B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/02—Pretreatment of the finely-divided materials before digesting with water or steam
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/001—Modification of pulp properties
    • D21C9/007—Modification of pulp properties by mechanical or physical means

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Inorganic Chemistry (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Paper (AREA)
EP21702231.8A 2020-01-28 2021-01-26 Verfahren zur herstellung eines zellulosepulppe auf hanfbasis, nach dem verfahren erhaltener zellulosebrei und aus dem zellulosepulppe erhaltene produkte Active EP4097292B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2000801A FR3106600B1 (fr) 2020-01-28 2020-01-28 Procédé d’obtention d’une pulpe cellulosique à base de chanvre, pulpe cellulosique obtenue à partir dudit procédé et produit obtenu à partir de ladite pulpe cellulosique
PCT/EP2021/051776 WO2021151904A1 (fr) 2020-01-28 2021-01-26 Procédé d'obtention d'une pulpe cellulosique à base de chanvre, pulpe cellulosique obtenue à partir dudit procédé et produit obtenu à partir de ladite pulpe cellulosique

Publications (3)

Publication Number Publication Date
EP4097292A1 EP4097292A1 (de) 2022-12-07
EP4097292C0 true EP4097292C0 (de) 2024-06-05
EP4097292B1 EP4097292B1 (de) 2024-06-05

Family

ID=71784124

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21702231.8A Active EP4097292B1 (de) 2020-01-28 2021-01-26 Verfahren zur herstellung eines zellulosepulppe auf hanfbasis, nach dem verfahren erhaltener zellulosebrei und aus dem zellulosepulppe erhaltene produkte

Country Status (4)

Country Link
EP (1) EP4097292B1 (de)
CA (1) CA3164391A1 (de)
FR (1) FR3106600B1 (de)
WO (1) WO2021151904A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3146481B1 (fr) 2023-03-08 2025-02-07 Rbx Creations Procédé d’obtention d’au moins deux pulpes cellulosiques présentant des caractéristiques différentes
FR3155544B1 (fr) * 2023-11-20 2025-11-21 Clextral Procédé et installation de préparation d’une pâte fibreuse à partir de tiges de plante annuelle, ainsi qu’utilisation d’une telle pâte fibreuse

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2965570B1 (fr) * 2010-09-30 2012-11-02 Arjo Wiggins Fine Papers Ltd Procede de raffinage en milieu enzymatique d'une pate papetiere comportant des fibres cellulosiques afin de reduire leur longueur
CN106087503A (zh) * 2016-06-16 2016-11-09 浙江理工大学 用于防雾霾口罩的大麻根部韧皮过滤纸的制备方法
CN106368030B (zh) * 2016-09-19 2018-12-14 昆明理工大学 大麻芯秆全无氯漂白浆制备食品包装纸的方法

Also Published As

Publication number Publication date
FR3106600B1 (fr) 2021-12-31
WO2021151904A1 (fr) 2021-08-05
EP4097292A1 (de) 2022-12-07
EP4097292B1 (de) 2024-06-05
FR3106600A1 (fr) 2021-07-30
CA3164391A1 (fr) 2021-08-05

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