DK1660323T4 - Med bionedbrydelige polymere eller polymerblandinger belagte eller imprægnerede fiberark - Google Patents

Med bionedbrydelige polymere eller polymerblandinger belagte eller imprægnerede fiberark Download PDF

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DK1660323T4
DK1660323T4 DK04743833.8T DK04743833T DK1660323T4 DK 1660323 T4 DK1660323 T4 DK 1660323T4 DK 04743833 T DK04743833 T DK 04743833T DK 1660323 T4 DK1660323 T4 DK 1660323T4
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polymer
biodegradable
sheet
thermoplastic
sheets
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DK04743833.8T
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DK1660323T3 (da
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Simon K Hodson
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Biotec Biologische Naturverpackungen Gmbh & Co Kg
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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/04—Layered products comprising a layer of synthetic resin as impregnant, bonding, or embedding substance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/10—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
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    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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    • Y10T428/31504—Composite [nonstructural laminate]
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    • 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
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    • Y10T428/31786—Of polyester [e.g., alkyd, etc.]
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    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2164—Coating or impregnation specified as water repellent
    • 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
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    • Y10T442/2213—Coating or impregnation is specified as weather proof, water vapor resistant, or moisture resistant

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  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Wrappers (AREA)
  • Laminated Bodies (AREA)
  • Paper (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Reinforced Plastic Materials (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Claims (14)

1. Fremstillet genstand, der er egnet til anvendelse som levnedsmiddelemballage, omfattende: et fiberark bestående af silkepapir med en vægt fra 19,5 til 24,4 g/m2 (12-15 lb/3000 ft2), idet mindst en del af fiberarket er belagt eller imprægneret med en bionedbrydelig sammensætning, der gør fiberarket mere bestandigt overfor væsker, og som giver en genstand, der er egnet til anvendelse som levnedsmiddelemballage, idet den bionedbrydelige sammensætning omfatter: mindst én blød termoplastisk bionedbrydelig polymer med en glasovergangstemperatur under -4°C, fortrinsvis en glasovergangstemperatur under -10°C, især en glasovergangstemperatur under -20°C og mere specielt under -30°C, mindst én stiv termoplastisk bionedbrydelig polymer med en glasovergangstemperatur på mindst 10°C.
2. Fremstillet genstand ifølge krav 1, hvori den stive termoplastiske bionedbrydelige polymer omfatter mindst én blandt et modificeret polyethylenterephthalat, i hvilket en del af terephthalatgrupperne er erstattet med mindst én alifatisk disyre; et polyesteramid; et polyhydroxybutyrat med en glasovergangstemperatur på mindst 10°C; en terpolymer, der omfatter enheder dannet ud fra glycolid, lactid og ε-caprolacton; en polymælkesyre eller et polymælkesyrederivat.
3. Fremstillet genstand ifølge et hvilket som helst af kravene 1 til 2, hvori den stive termoplastiske bionedbrydelige polymer indgår i et område på 20 til 99 vægt% af den bionedbrydelige sammensætning, fortrinsvis i en koncentration på mindst 40 vægt% af den bionedbrydelige sammensætning og især i en koncentration på mindst, men ikke inklusive, 50 vægt% af den bionedbrydelige sammensætning.
4. Fremstillet genstand ifølge et hvilket som helst af kravene 1 til 3, hvori den stive termoplastiske bionedbrydelige polymere har en glasovergangstemperatur på mindst 15°C, fortrinsvis en glasovergangstemperatur på mindst 25°C og især en glasovergangstemperatur på mindst 35°C.
5. Fremstillet genstand ifølge et hvilket som helst af kravene 1 til 4, hvori den bløde termoplastiske bionedbrydelige polymere indgår i en koncentration op til 70 vægt% af den bionedbrydelige sammensætning, fortrinsvis i en koncentration op til, men ikke inklusive, 50 vægt% af den bionedbrydelige sammensætning og især en koncentration op til 45 vægt% af den bionedbrydelige sammensætning.
6. Fremstillet genstand ifølge krav 1 til 5, hvori den bionedbrydelige sammensætning endvidere omfatter mindst ét partikelformigt fyldstof, der omfatter mindst én blandt siliciumdioxid, calciumcarbonat, ler, talkum, glimmer, aluminiumoxid eller keramik, fortrinsvis i en mængde på mindst 10 vægt% af den bionedbrydelige sammensætning, især i en mængde på mindst 20 vægt% af den bionedbrydelige sammensætning og mere specielt i en mængde på mindst 30 vægt% af den bionedbrydelige sammensætning.
7. Fremstillet genstand ifølge et hvilket som helst af kravene 1 til 6, hvori den bionedbrydelige sammensætning omfatter en folie eller et ark, som er blevet lamineret til mindst én side af fiberarket, idet fiberarket består af silkepapir på 19,5-24,4 g/m2 (12-15 lb/3000 ft2), inden det belægges eller imprægneres med den bionedbrydelige sammensætning.
8. Fremgangsmåde til fremstilling af en genstand ifølge et hvilket som helst af kravene 1 til 7 omfattende: tilvejebringelse af et fiberark bestående af silkepapir med en vægt fra 19,5 til 24,4 g/m2 (12-15 lb/3000 ft2); og belægning eller imprægnering af fiberarket med en bionedbrydelig sammensætning for at gøre fiberarket mere bestandigt over for væsker og give en genstand, der er egnet til anvendelse som levnedsmiddelemballage, idet den termoplastiske bionedbrydelige sammensætning omfatter: mindst én blød termoplastisk bionedbrydelig polymer med en glasovergangstemperatur under -4°C; og mindst én stiv termoplastisk bionedbrydelig polymer med en glasovergangstemperatur på mindst 10°C.
9. Fremgangsmåde ifølge krav 8, hvilken fremgangsmåde omfatter: at opvarme den termoplastiske bionedbrydelige sammensætning til dannelse af en termoplastisk smeltemasse, som omfatter en i begyndelsen flydedygtig sammensætning; at påføre den termoplastiske smeltemasse på mindst én side af fiberarket til belægning eller imprægnering af fiberarket; og at lade den termoplastiske smeltemasse hærde.
10. Fremgangsmåde ifølge krav 8 eller 9, ved hvilken den termoplastiske smeltemasse påføres på den mindst ene side af fiberarket under anvendelse af en rakel eller ved påsprøjtning.
11. Fremgangsmåde ifølge et hvilket som helst af kravene 8 til 10, ved hvilken den termoplastiske smeltemasse har et smelteflydeindeks på mindst 40 g/10 minutter, fortrinsvis et smelteflydeindeks på mindst 70 g/10 minutter og især et smelteflydeindeks på mindst 100 g/10 minutter.
12. Fremgangsmåde ifølge krav 8, hvilken fremgangsmåde omfatter: at opvarme den termoplastiske bionedbrydelige sammensætning til dannelse af en termoplastisk smeltemasse, der omfatter en i begyndelsen flydedygtig sammensætning; at danne et ark eller en folie ud fra den termoplastiske smeltemasse; og at laminere arket eller folien på mindst én side af fiberarket.
13. Fremgangsmåde ifølge krav 12, ved hvilken arket eller folien dannes ved mindst én blandt støbning, ekstrusion eller blæsestøbning.
14. Fremgangsmåde ifølge krav 12 eller 13, ved hvilken arket eller folien lamineres på fiberarket ved co-ekstrusion.
DK04743833.8T 2003-06-03 2004-06-02 Med bionedbrydelige polymere eller polymerblandinger belagte eller imprægnerede fiberark DK1660323T4 (da)

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CA2526457C (en) 2010-03-30
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