PT117894A - METHOD OF COATING CELLULOSIC MATERIAL WITH ESSENTIAL OILS - Google Patents

METHOD OF COATING CELLULOSIC MATERIAL WITH ESSENTIAL OILS

Info

Publication number
PT117894A
PT117894A PT117894A PT11789422A PT117894A PT 117894 A PT117894 A PT 117894A PT 117894 A PT117894 A PT 117894A PT 11789422 A PT11789422 A PT 11789422A PT 117894 A PT117894 A PT 117894A
Authority
PT
Portugal
Prior art keywords
cellulosic material
essential oils
oils
evaporation
added
Prior art date
Application number
PT117894A
Other languages
Portuguese (pt)
Inventor
José Monteiro Valente Artur
Maria Bairrada Murtinho Dina
Juan Aguado Garcia Roberto
Filipa Martins Lourenço Ana
Cláudia Dos Santos Ferreira Ana
Original Assignee
Univ De Coimbra
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 Univ De Coimbra, Raiz Instituto De Investig Da Floresta E Papel filed Critical Univ De Coimbra
Priority to PT117894A priority Critical patent/PT117894A/en
Priority to EP23020166.7A priority patent/EP4253651A1/en
Publication of PT117894A publication Critical patent/PT117894A/en

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
    • D21H19/00—Coated paper; Coating material
    • 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
    • D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • D21H19/54—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
    • D21H17/21—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
    • 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
    • D21H19/20—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • D21H21/36—Biocidal agents, e.g. fungicidal, bactericidal, insecticidal 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
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/10—Packing paper

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

A INVENÇÃO AQUI DIVULGADA CONSISTE NUM MÉTODO DE REVESTIMENTO DE MATERIAL CELULÓSICO COM ÓLEOS ESSENCIAIS QUE PERMITE A RETARDAÇÃO DA EVAPORAÇÃO DESSES ÓLEOS ESSENCIAIS DA SUPERFÍCIE DO MATERIAL CELULÓSICO. ESTES ÓLEOS SÃO ADICIONADOS AO MATERIAL CELULÓSICO DE MODO A DOTÁ-LO DE PROPRIEDADES ANTIMICROBIANAS E ANTIOXIDANTES. O MÉTODO DESCRITO NESTA INVENÇÃO RETARDA A LIBERTAÇÃO DOS COMPOSTOS ATIVOS DURANTE A SECAGEM E DURANTE A EXPOSIÇÃO DO MATERIAL CELULÓSICO AO AR. O MÉTODO AQUI DIVULGADO CONSISTE NUMA MODIFICAÇÃO QUÍMICA DE UM AMIDO COM UMA CICLODEXTRINA, SEGUIDA DA DISPERSÃO DESTE AMIDO MODIFICADO, A ALTAS TEMPERATURAS, E SENDO FINALMENTE USADO NUM PASSO DE REVESTIMENTO DE PAPEL, EM CONJUNTO COM O ÓLEO ESSENCIAL DE INTERESSE. O MÉTODO AQUI DESCRITO NÃO NECESSITA DO USO DE SURFACTANTES NEM DE CO-SOLVENTES ORGÂNICOS PARA RETARDAR A EVAPORAÇÃO DOS ÓLEOS ESSENCIAIS ADICIONADOS AO MATERIAL CELULÓSICO E DE ACORDO COM A SUA APLICAÇÃO.THE INVENTION DISCLOSED HERE CONSISTS OF A METHOD OF COATING CELLULOSIC MATERIAL WITH ESSENTIAL OILS WHICH ALLOWS THE EVAPORATION OF THESE ESSENTIAL OILS TO BE DELAYED FROM THE SURFACE OF THE CELLULOSIC MATERIAL. THESE OILS ARE ADDED TO THE CELLULOSIC MATERIAL IN ORDER TO PROVIDE IT WITH ANTIMICROBIAL AND ANTIOXIDANT PROPERTIES. THE METHOD DESCRIBED IN THIS INVENTION DELAYS THE RELEASE OF ACTIVE COMPOUNDS DURING DRYING AND DURING EXPOSURE OF THE CELLULOSIC MATERIAL TO THE AIR. THE METHOD DISCLOSED HERE CONSISTS OF A CHEMICAL MODIFICATION OF A STARCH WITH A CYCLODEXTRIN, FOLLOWED BY THE DISPERSION OF THIS MODIFIED STARCH AT HIGH TEMPERATURES, AND FINALLY BEING USED IN A PAPER COATING STEP, TOGETHER WITH THE ESSENTIAL OIL OF INTEREST. THE METHOD DESCRIBED HERE DOES NOT REQUIRE THE USE OF SURFACTANTS OR ORGANIC CO-SOLVENTS TO DELAY THE EVAPORATION OF ESSENTIAL OILS ADDED TO THE CELLULOSIC MATERIAL AND ACCORDING TO ITS APPLICATION.

PT117894A 2022-03-31 2022-03-31 METHOD OF COATING CELLULOSIC MATERIAL WITH ESSENTIAL OILS PT117894A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PT117894A PT117894A (en) 2022-03-31 2022-03-31 METHOD OF COATING CELLULOSIC MATERIAL WITH ESSENTIAL OILS
EP23020166.7A EP4253651A1 (en) 2022-03-31 2023-03-31 Method for coating cellulosic material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PT117894A PT117894A (en) 2022-03-31 2022-03-31 METHOD OF COATING CELLULOSIC MATERIAL WITH ESSENTIAL OILS

Publications (1)

Publication Number Publication Date
PT117894A true PT117894A (en) 2023-10-02

Family

ID=87805913

Family Applications (1)

Application Number Title Priority Date Filing Date
PT117894A PT117894A (en) 2022-03-31 2022-03-31 METHOD OF COATING CELLULOSIC MATERIAL WITH ESSENTIAL OILS

Country Status (2)

Country Link
EP (1) EP4253651A1 (en)
PT (1) PT117894A (en)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9401090A (en) 1994-06-29 1996-02-01 Avebe Coop Verkoop Prod Method for surface gluing or ironing of paper.
US6689378B1 (en) * 1999-12-28 2004-02-10 Kimberly-Clark Worldwide, Inc. Cyclodextrins covalently bound to polysaccharides
TW201102271A (en) 2009-07-03 2011-01-16 Chung Rhy Special Paper Mfg Co Ltd Oil-absorbing facial tissue containing natural plant dried matter and essential oil
CN102644217B (en) 2011-02-17 2014-05-07 福建恒安集团有限公司 Natural plant essential oil antibacterial base paper
CA2872597C (en) * 2012-05-15 2018-01-23 Mantrose-Haeuser Co., Inc. Seaweed-based food packaging coating
CN109293789A (en) * 2018-10-15 2019-02-01 天津工业大学 A kind of alpha-cyclodextrin modified starch paste and preparation method thereof
CN109403142A (en) 2018-11-19 2019-03-01 贵州午留文化旅游特色商品开发有限公司 A kind of champignon paper and preparation method thereof for deodoring and disinfecting in shoes
CN110055820B (en) * 2019-03-06 2022-02-11 浙江工业大学 Preparation method of composite reinforced slow-release functional preservative paper base material
CN111691224B (en) 2019-03-12 2022-05-31 瑞辰星生物技术（广州）有限公司 Modified starch and preparation method and application thereof
SE544668C2 (en) * 2019-11-04 2022-10-11 Stora Enso Oyj A surface coated cellulosic film

Also Published As

Publication number Publication date
EP4253651A1 (en) 2023-10-04

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Effective date: 20230904