PT117870A - Processo de produção de celulose microfibrilada a partir de pasta kraft de alto rendimento, celulose microfibrilada obtida a partir do processo e pasta kraft e produtos papeleiros que compreendem a referida celulose microfibrilada - Google Patents

Processo de produção de celulose microfibrilada a partir de pasta kraft de alto rendimento, celulose microfibrilada obtida a partir do processo e pasta kraft e produtos papeleiros que compreendem a referida celulose microfibrilada

Info

Publication number
PT117870A
PT117870A PT117870A PT11787022A PT117870A PT 117870 A PT117870 A PT 117870A PT 117870 A PT117870 A PT 117870A PT 11787022 A PT11787022 A PT 11787022A PT 117870 A PT117870 A PT 117870A
Authority
PT
Portugal
Prior art keywords
pulp
microfibrillated
microfibrillated cellulose
kraft pulp
paper products
Prior art date
Application number
PT117870A
Other languages
English (en)
Portuguese (pt)
Inventor
Jorge Alves Ramos Rodrigues Ricardo
Filipa Martins Lourenço Ana
Filipa Ramos Dos Santos Bruna
Original Assignee
Raiz Instituto De Investig Da Floresta E Papel
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 Raiz Instituto De Investig Da Floresta E Papel filed Critical Raiz Instituto De Investig Da Floresta E Papel
Priority to PT117870A priority Critical patent/PT117870A/pt
Priority to PCT/IB2023/052806 priority patent/WO2023180947A1/fr
Publication of PT117870A publication Critical patent/PT117870A/pt

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
    • D21H11/16—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/02—Cellulose; Modified 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
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/02—Chemical or chemomechanical or chemothermomechanical pulp
    • D21H11/04—Kraft or sulfate pulp
    • 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
    • D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
    • D21H25/005—Mechanical treatment
    • 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
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/10—Packing 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
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30—Multi-ply
    • D21H27/40—Multi-ply at least one of the sheets being non-planar, e.g. crêped

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)
PT117870A 2022-03-23 2022-03-23 Processo de produção de celulose microfibrilada a partir de pasta kraft de alto rendimento, celulose microfibrilada obtida a partir do processo e pasta kraft e produtos papeleiros que compreendem a referida celulose microfibrilada PT117870A (pt)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PT117870A PT117870A (pt) 2022-03-23 2022-03-23 Processo de produção de celulose microfibrilada a partir de pasta kraft de alto rendimento, celulose microfibrilada obtida a partir do processo e pasta kraft e produtos papeleiros que compreendem a referida celulose microfibrilada
PCT/IB2023/052806 WO2023180947A1 (fr) 2022-03-23 2023-03-22 Procédé de production de cellulose microfibrillée à partir de pâte kraft à haut rendement, cellulose microfibrillée obtenue à partir de ce procédé et pâte kraft et produits papetiers comprenant ladite cellulose microfibrillée

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PT117870A PT117870A (pt) 2022-03-23 2022-03-23 Processo de produção de celulose microfibrilada a partir de pasta kraft de alto rendimento, celulose microfibrilada obtida a partir do processo e pasta kraft e produtos papeleiros que compreendem a referida celulose microfibrilada

Publications (1)

Publication Number Publication Date
PT117870A true PT117870A (pt) 2023-09-25

Family

ID=86331693

Family Applications (1)

Application Number Title Priority Date Filing Date
PT117870A PT117870A (pt) 2022-03-23 2022-03-23 Processo de produção de celulose microfibrilada a partir de pasta kraft de alto rendimento, celulose microfibrilada obtida a partir do processo e pasta kraft e produtos papeleiros que compreendem a referida celulose microfibrilada

Country Status (2)

Country Link
PT (1) PT117870A (fr)
WO (1) WO2023180947A1 (fr)

Also Published As

Publication number Publication date
WO2023180947A1 (fr) 2023-09-28

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BB1A Laying open of patent application

Effective date: 20230809