WO2022084059A1 - Matériau composite - Google Patents

Matériau composite Download PDF

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Publication number
WO2022084059A1
WO2022084059A1 PCT/EP2021/077742 EP2021077742W WO2022084059A1 WO 2022084059 A1 WO2022084059 A1 WO 2022084059A1 EP 2021077742 W EP2021077742 W EP 2021077742W WO 2022084059 A1 WO2022084059 A1 WO 2022084059A1
Authority
WO
WIPO (PCT)
Prior art keywords
fibers
composite material
cellulosic
material according
short fibers
Prior art date
Application number
PCT/EP2021/077742
Other languages
German (de)
English (en)
Inventor
Britta Zimmerer
Kurt Uihlein
Daniel Lang
Sören Ario
Carsten Asshoff
René Schaldach
Original Assignee
Cordenka Innovations GmbH
Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung, E.V.
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 Cordenka Innovations GmbH, Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung, E.V. filed Critical Cordenka Innovations GmbH
Priority to EP21789700.8A priority Critical patent/EP4229126A1/fr
Publication of WO2022084059A1 publication Critical patent/WO2022084059A1/fr

Links

Classifications

    • 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
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
    • C08J5/045—Reinforcing macromolecular compounds with loose or coherent fibrous material with vegetable or animal fibrous material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B9/00—Cellulose xanthate; Viscose
    • 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
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
    • C08J5/047—Reinforcing macromolecular compounds with loose or coherent fibrous material with mixed fibrous material
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/16—Fibres; Fibrils

Definitions

  • the at least one matrix polymer is a thermoplastic polymer such as a polyolefin such as polypropylene or polyethylene or a polyamide such as polyamide 6,6, polyamide 6, polyamide 4,10, polyamide 6,10 or polyamide 10,10 .
  • Polyesters such as polyethylene terephthalate (PET), polytrimethylene terephthalate (PTT), polybutylene terephthalate (PBT), polybutylene adipate terephthalate (PBAT), polylactide (PLA), polyhydroxyalkanoates such as polyhydroxybutyric acid and polycaprolactone are also conceivable as thermoplastic matrix polymers.
  • the thermoplastic polymer can also be present as recyclate.
  • Thermoplastic matrix polymers offer the advantage that discarded objects made from the fiber composite material according to the invention can be melted and given a new shape by injection molding, extrusion or casting.
  • the composite material according to the invention contains a thermosetting polymer.
  • curable resins in particular thermally curable resins such as epoxy, cyanate ester or benzoxazine resins, polyesters, vinyl esters.
  • the cellulosic long fibers of the composite material according to the invention are long fibers made from cellulose, which were obtained using regenerated processes or direct dissolving processes.
  • regrind processes are understood to mean processes in which cellulose molecules are brought into a soluble form via an intermediate stage. This soluble form is pressed through nozzles into a coagulation bath, in which the cellulose molecules are reformed and a fiber of regenerated cellulose is spun from the jet of liquid.
  • Corresponding processes are known per se to the person skilled in the art, the xanthogenate or viscose process being mentioned as an example.
  • the composite material contains a maximum of 60% by mass of wood flour. In one embodiment, the composite material contains a maximum of 50% by mass of wood flour. In one embodiment, the composite material contains a maximum of 40% by mass of wood flour. In one embodiment, the composite material contains a maximum of 30% by mass of wood flour. In one embodiment, the composite material contains a maximum of 20% by mass of wood flour. In one embodiment, the composite material contains at least 5% by mass of wood flour. In one embodiment, the composite material contains at least 10% by mass of wood flour. In one embodiment, the composite material contains at least 20% by mass of wood flour. In one embodiment, the composite material contains at least 30% by mass of wood flour. In one embodiment, the composite material contains at least 40% by mass of wood flour.
  • the mixture of cellulosic short fibers and cellulosic long fibers is composed in such a way that the mass fraction of cellulosic short fibers is at least 50%. In one embodiment, the mixture of cellulosic short fibers and cellulosic long fibers is composed in such a way that the mass fraction of cellulosic short fibers is at least 60%. In one embodiment, the mixture of cellulosic short fibers and cellulosic long fibers is composed in such a way that the mass fraction of cellulosic short fibers is at least 70%.
  • the mixture of cellulosic short fibers and cellulosic long fibers is like this composed in such a way that the mass fraction of cellulosic short fibers is at least 80%. In one embodiment, the mixture of cellulosic short fibers and cellulosic long fibers is composed in such a way that the mass fraction of cellulosic short fibers is at least 90%.
  • the composite material is composed in such a way that the mass fraction of the mixture of cellulosic short fibers and cellulosic long fibers is at most 20%. In one embodiment, the composite material is composed in such a way that the mass fraction of the mixture of cellulosic short fibers and cellulosic short fibers is at most 10%.
  • impregnation is understood to mean the most complete possible penetration of the mixture of cellulosic short fibers and cellulosic long fibers, during which the formation of air bubbles and vapor bubbles, which would have a negative effect on the mechanical properties of the composite material, should be avoided.
  • the mixture of cellulosic short fibers and cellulosic long fibers is mixed with one or more prepolymers and/or monomers for a duroplastic or elastomeric matrix polymer. In one embodiment, the mixture from cellulosic short fibers and cellulosic long fibers scattered on a prepolymer for a duroplastic or elastomeric matrix polymer.
  • Suitable prepolymers for duroplastic matrix resins are liquid, thermally curable resins such as epoxy resins, cyanate ester resins or benzoxazine resins.
  • suitable prepolymers for elastomeric matrix resins are vulcanizable rubbers such as nitrile rubber, isobutene-isoprene rubber, chloroprene rubber, styrene-butadiene rubber, ethylene-propylene-diene rubber, silicone-based rubbers or natural rubber.
  • the invention also relates to a component containing the composite material according to the invention.
  • the component can be a semi-finished product in the form of a rod, a cylinder or a block.
  • the component can be a profile part for interior fittings.
  • the component can be a support for interior fittings.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Reinforced Plastic Materials (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

Matériau composite contenant des fibres et au moins un polymère pour matrice, caractérisé en ce que le matériau composite contient un mélange de fibres de cellulose courtes et de fibres de cellulose courtes, les fibres de cellulose courtes ayant une longueur de fibres inférieure à 500 µm et les fibres de cellulose longues ayant une longueur de fibres de plus de 1 mm.
PCT/EP2021/077742 2020-10-19 2021-10-07 Matériau composite WO2022084059A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP21789700.8A EP4229126A1 (fr) 2020-10-19 2021-10-07 Matériau composite

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020127492.0A DE102020127492A1 (de) 2020-10-19 2020-10-19 Verbundwerkstoff
DE102020127492.0 2020-10-19

Publications (1)

Publication Number Publication Date
WO2022084059A1 true WO2022084059A1 (fr) 2022-04-28

Family

ID=78085929

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2021/077742 WO2022084059A1 (fr) 2020-10-19 2021-10-07 Matériau composite

Country Status (4)

Country Link
EP (1) EP4229126A1 (fr)
CN (1) CN114381064A (fr)
DE (1) DE102020127492A1 (fr)
WO (1) WO2022084059A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4422864A1 (de) * 1994-06-30 1996-01-04 Hoechst Ag Mit polymeren Aminverbindungen modifizierte synthetische cellulosische Fasern
EP2699528A1 (fr) * 2011-04-20 2014-02-26 Lenzing AG Mélanges de mortier comprenant des fibres de cellulose régénérée

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4422864A1 (de) * 1994-06-30 1996-01-04 Hoechst Ag Mit polymeren Aminverbindungen modifizierte synthetische cellulosische Fasern
EP2699528A1 (fr) * 2011-04-20 2014-02-26 Lenzing AG Mélanges de mortier comprenant des fibres de cellulose régénérée

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
ARINDAM CHAKRABARTY ET AL: "Recent Advances in Nanocellulose Composites with Polymers: A Guide for Choosing Partners and How to Incorporate Them", POLYMERS, vol. 10, no. 5, 10 May 2018 (2018-05-10), pages 517, XP055727942, DOI: 10.3390/polym10050517 *
ERDMANN JENS: "Biobasierte Kunststoffe mit Cellulosefaserverstärkung - Zusammenhänge zwischen Struktur, Haftung und mechanischen Eigenschaften", DISSERTATION, 1 January 2017 (2017-01-01), pages 1 - 141, XP055871708, Retrieved from the Internet <URL:https://d-nb.info/1141177110/34> [retrieved on 20211210] *
OMRAN ABDOULHDI A. BORHANA ET AL: "Micro- and Nanocellulose in Polymer Composite Materials: A Review", POLYMERS, vol. 13, no. 2, 1 January 2021 (2021-01-01), CH, pages 231, XP055871609, ISSN: 2073-4360, DOI: 10.3390/polym13020231 *
RIGG-AGUILAR PRISCILLA ET AL: "Micro- and Nanofibrillated Cellulose (MNFC) from Pineapple ( Ananas comosus ) Stems and Their Application on Polyvinyl Acetate (PVAc) and Urea-Formaldehyde (UF) Wood Adhesives", JOURNAL OF NANOMATERIALS, vol. 2020, 1 August 2020 (2020-08-01), US, pages 1 - 12, XP055871489, ISSN: 1687-4110, Retrieved from the Internet <URL:https://downloads.hindawi.com/journals/jnm/2020/1393160.pdf> DOI: 10.1155/2020/1393160 *
SABO RONALD ET AL: "PEER-REVIEWED ARTICLE Effect of Environmental Conditions on the Mechanical Properties and Fungal Degradation of Polycaprolactone/ Microcrystalline Cellulose/Wood Flour Composites INTRODUCTION", 1 January 2013 (2013-01-01), pages 1 - 14, XP055871623, Retrieved from the Internet <URL:https://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_08_3_3322_Sabo_Environmental_Conditions_Mechanical/2136> [retrieved on 20211210] *
SCHENKER MICHEL: "A Study of Micro Nanofibrillated Cellulose (MNFC) suspensions", THESIS FOR: PHDADVISOR: PATRICK GANE, JOACHIM SCHOELKOPF, PATRICE MANGIN, 1 July 2019 (2019-07-01), pages 1 - 298, XP055871487, Retrieved from the Internet <URL:https://www.researchgate.net/publication/335030375_A_Study_of_Micro_Nanofibrillated_Cellulose_MNFC_suspensions> [retrieved on 20211210] *

Also Published As

Publication number Publication date
EP4229126A1 (fr) 2023-08-23
DE102020127492A1 (de) 2022-04-21
CN114381064A (zh) 2022-04-22

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