BR112021023441A2 - Processo para o fornecimento de um material de partida preparado que apresenta celulose com uma distribuição de comprimento de fibra predeterminada - Google Patents

Processo para o fornecimento de um material de partida preparado que apresenta celulose com uma distribuição de comprimento de fibra predeterminada

Info

Publication number
BR112021023441A2
BR112021023441A2 BR112021023441A BR112021023441A BR112021023441A2 BR 112021023441 A2 BR112021023441 A2 BR 112021023441A2 BR 112021023441 A BR112021023441 A BR 112021023441A BR 112021023441 A BR112021023441 A BR 112021023441A BR 112021023441 A2 BR112021023441 A2 BR 112021023441A2
Authority
BR
Brazil
Prior art keywords
cellulose
starting material
prepared starting
providing
fiber length
Prior art date
Application number
BR112021023441A
Other languages
English (en)
Inventor
Christian Weilach
Richard Herchl
Original Assignee
Chemiefaser Lenzing Ag
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 Chemiefaser Lenzing Ag filed Critical Chemiefaser Lenzing Ag
Publication of BR112021023441A2 publication Critical patent/BR112021023441A2/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/04—Disintegrating plastics, e.g. by milling
    • B29B17/0412—Disintegrating plastics, e.g. by milling to large particles, e.g. beads, granules, flakes, slices
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/16—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with inorganic material
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • B29B2017/0213—Specific separating techniques
    • B29B2017/0217—Mechanical separating techniques; devices therefor
    • B29B2017/0237—Mechanical separating techniques; devices therefor using density difference
    • B29B2017/0244—Mechanical separating techniques; devices therefor using density difference in liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • B29B2017/0213—Specific separating techniques
    • B29B2017/0217—Mechanical separating techniques; devices therefor
    • B29B2017/0251—Hydropulping for converting the material under the influence of water into a slurry, e.g. for separating laminated plastic from paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • B29B2017/0213—Specific separating techniques
    • B29B2017/0262—Specific separating techniques using electrical caracteristics
    • B29B2017/0265—Electrostatic separation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • B29B2017/0213—Specific separating techniques
    • B29B2017/0293—Dissolving the materials in gases or liquids
    • B29B2017/0296—Dissolving the materials in aqueous alkaline solutions, e.g. NaOH or KOH
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/04—Disintegrating plastics, e.g. by milling
    • B29B2017/0424—Specific disintegrating techniques; devices therefor
    • B29B2017/044—Knives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2001/00—Use of cellulose, modified cellulose or cellulose derivatives, e.g. viscose, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/12—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of short lengths, e.g. chopped filaments, staple fibres or bristles
    • B29K2105/122—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of short lengths, e.g. chopped filaments, staple fibres or bristles microfibres or nanofibers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
    • C08J2301/02—Cellulose; Modified cellulose
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Sustainable Development (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Nonwoven Fabrics (AREA)
  • Artificial Filaments (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Reinforced Plastic Materials (AREA)

Abstract

processo para o fornecimento de um material de partida preparado que apresenta celulose com uma distribuição de comprimento de fibra predeterminada. a presente invenção refere-se a um processo para o fornecimento de um material de partida preparado que apresenta celulose (110), em particular, um material de partida para formar um artigo moldado celulósico, em particular, regenerado (102). o processo apresenta: i) o fornecimento de um material de partida que apresenta celulose (101), que apresenta fibras celulósicas e preparação (20) do material de partida que apresenta celulose (101), a fim de obter o material de partida preparado que apresenta celulose (110) de tal modo, que as fibras de celulose do material de partida preparado que apresenta celulose (110) tenham uma distribuição de comprimento de fibra predeterminada. além disso, são descritos um processo para a produção de um artigo moldado celulósico (102), um material de partida preparado que apresenta celulose (110) e o uso de têxteis antigos.
BR112021023441A 2019-06-04 2020-05-29 Processo para o fornecimento de um material de partida preparado que apresenta celulose com uma distribuição de comprimento de fibra predeterminada BR112021023441A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP19178193.9A EP3747614A1 (de) 2019-06-04 2019-06-04 Verfahren zum bereitstellen eines aufbereiteten cellulose-aufweisenden ausgangsstoffes mit vorbestimmter faserlängenverteilung
PCT/EP2020/065045 WO2020245056A1 (de) 2019-06-04 2020-05-29 Verfahren zum bereitstellen eines aufbereiteten cellulose-aufweisenden ausgangsstoffes mit vorbestimmter faserlängenverteilung

Publications (1)

Publication Number Publication Date
BR112021023441A2 true BR112021023441A2 (pt) 2022-01-11

Family

ID=66770224

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021023441A BR112021023441A2 (pt) 2019-06-04 2020-05-29 Processo para o fornecimento de um material de partida preparado que apresenta celulose com uma distribuição de comprimento de fibra predeterminada

Country Status (6)

Country Link
US (1) US20220243396A1 (pt)
EP (2) EP3747614A1 (pt)
CN (1) CN113905865A (pt)
BR (1) BR112021023441A2 (pt)
CA (1) CA3140462A1 (pt)
WO (1) WO2020245056A1 (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20206366A1 (en) * 2020-12-23 2022-06-24 Valmet Technologies Oy Process system and method for processing recycled textile fibers
SE545655C2 (en) * 2022-10-06 2023-11-28 Re Newcell Ab Method for manufacturing a product comrpising recycled fibers by filtration and acid treatment of a viscose dope

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030121629A1 (en) * 2001-12-19 2003-07-03 Kimberly-Clark Worldwide, Inc. Use of fractionated fiber furnishes in the manufacture of tissue products, and products produced thereby
DE102009033793A1 (de) * 2008-12-18 2010-06-24 Franco Spennato Verfahren zur Herstellung eines Gummi-Agglomerats, Gummi-Agglomerat und Produkte daraus
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
DE102010062153A1 (de) * 2010-11-29 2012-05-31 Leibniz-Institut für Agrartechnik Bornim e.V. Verfahren zur Herstellung von Faserstoffen
NL2009851C2 (en) * 2012-11-21 2014-05-27 Agrawal Ecolabs Processing of cotton-polyester waste texile.
DE102013218412A1 (de) * 2013-09-13 2015-03-19 Kelheim Fibres Gmbh Filterhilfsmittel und Filterschicht
PT3049563T (pt) * 2013-09-25 2018-02-12 Really Aps Método de produção de um produto a partir de resíduos têxteis
CA2926134A1 (en) * 2013-10-10 2015-04-16 Basf Se Lignocellulosic materials comprising defibrillated cellulose
EP3385433A1 (en) * 2017-04-03 2018-10-10 Lenzing Aktiengesellschaft Nonwoven cellulose fiber fabric with tailored liquid wicking capability
CN107189044B (zh) * 2017-06-28 2019-03-15 树业环保科技股份有限公司 一种将废弃纺织物制备可应用于纺织品加工的纤维级聚酯切片的方法

Also Published As

Publication number Publication date
CN113905865A (zh) 2022-01-07
EP3747614A1 (de) 2020-12-09
EP3980237A1 (de) 2022-04-13
CA3140462A1 (en) 2020-12-10
TW202045784A (zh) 2020-12-16
US20220243396A1 (en) 2022-08-04
WO2020245056A1 (de) 2020-12-10

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Legal Events

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