WO2022091133A1 - Composite bois-plastique mélangé et son procédé - Google Patents

Composite bois-plastique mélangé et son procédé Download PDF

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Publication number
WO2022091133A1
WO2022091133A1 PCT/IN2021/051031 IN2021051031W WO2022091133A1 WO 2022091133 A1 WO2022091133 A1 WO 2022091133A1 IN 2021051031 W IN2021051031 W IN 2021051031W WO 2022091133 A1 WO2022091133 A1 WO 2022091133A1
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WO
WIPO (PCT)
Prior art keywords
composite
plastic
wood
range
powder
Prior art date
Application number
PCT/IN2021/051031
Other languages
English (en)
Inventor
Anupkumar Amritlal Patel
Fenil Anupkumar Patel
Original Assignee
Anupkumar Amritlal Patel
Fenil Anupkumar Patel
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 Anupkumar Amritlal Patel, Fenil Anupkumar Patel filed Critical Anupkumar Amritlal Patel
Publication of WO2022091133A1 publication Critical patent/WO2022091133A1/fr

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Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K11/00—Use of ingredients of unknown constitution, e.g. undefined reaction products
    • C08K11/005—Waste materials, e.g. treated or untreated sewage sludge
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • C08K5/098—Metal salts of carboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/15—Heterocyclic compounds having oxygen in the ring
    • C08K5/151—Heterocyclic compounds having oxygen in the ring having one oxygen atom in the ring
    • C08K5/1535—Five-membered rings
    • C08K5/1539—Cyclic anhydrides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/02—Fibres or whiskers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/20—Recycled plastic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2310/00—Masterbatches

Definitions

  • the present invention generally relates to a mix plastic-wood composition that can serve as a wood substitute in various applications where wood is used. More particularly, it provides a process of producing a plastic-wood composite or wood substitute composition from the mix waste plastic material.
  • Wood-plastic composite is a panel or lumber product made from recycled plastic and small wood particles or fibers. It is a blended product of wood fiber or wood powder and a thermoplastic material.
  • the wood-plastic composites often compete with wood in the building products market. It combines the pleasing look of wood with the functionality and manufacturing ease of plastic. This sharing of the market requires the WPCs to perform in various applications as much as possible like natural wood.
  • the current WPC materials are most often compounds of wood or natural fibers. These wood-plastic composites blend fine wood particles with renewable, biodegradable, reclaimed or recycled plastic waste materials to make firm, smooth pellets for convenient handling and further processing.
  • WPC Wood-like-consistency
  • HDPE high density polyethylene
  • LDPE low density polyethylene
  • PVC polyvinyl chloride
  • the patent document CN105419372A relates to a method of preparing wood-plastic composite material with modified wood powder and waste plastic.
  • the method includes the steps of (1) crushing, milling and drying agricultural and forestry wastes, successively adding three different surface modifiers and successively mixing the surface modifiers with the waste powder in a high-speed mixing machine to prepare a modified waste powder; (2) cleaning the waste plastic, crushing the waste plastic into granules being 2-12 mm in size, and drying the granules; and (3) according to weight percentage ratio, feeding a mixture composed of the modified waste powder, the waste plastic granules, a lubricant, a foamer and a foamer aid into the highspeed mixing machine to perform high-speed mixing, cooling the mixture until the temperature is lower than 55 DEG C and discharging the material to prepare a special premix.
  • the composite material is very high in strength and anti-bending and anti-impact performance, wherein the anti-impact strength is significantly improved so that the composite material is greatly improved in processability, and further can be used for producing products satisfying different demands.
  • the composite material is greatly wide in application range.
  • the said prior art fails to provide the fast and continuous process for preparing wood-plastic composite from the waste plastic, because the method includes the steps of crushing, milling, drying and cleaning the waste plastic, which is time-consuming.
  • Another patent document CN103436042A relates to a wood-plastic composite and preparation method thereof.
  • the preparation method comprises the following steps: firstly, dissolving an initiating agent and a modifying agent into a solvent, adding the mixture together with pre- treated wood powder into a gas-liquid-solid triphase fluidized bed to allow the initiating agent and the modifying agent to be adsorbed on the surface of the wood powder, mixing, crosslinking and extruding the obtained modified wood powder and plastic monomer particles, and performing injection molding and hot pressing for formation.
  • the product obtained according to the preparation method has stronger interface bonding force and good mechanical properties.
  • the primary object of the present invention is to provide the mix plastic wood composite and process thereof.
  • Another object of the present invention is to provide the mix plastic wood composite, which is available in many colors and textures that adds to the vibrantness of the building.
  • Yet another object of the present invention is to provide the mix plastic wood composite, which is highly durable and is not affected by any weather conditions.
  • Another object of the present invention is to provide the mix plastic wood composite, which is resistant to ultraviolet light and its color does not fade easily.
  • Yet another object of the present invention is to provide the mix plastic wood composite, which is considered as a sustainable and green material as composites are made from recycled plastic wastes and the waste products of the wood industry.
  • Another object of the present invention is to provide the mix plastic wood composite, which is eco-friendly, water-proof and swelling-proof.
  • Yet another object of the present invention is to provide the mix plastic wood composite, which has resistant to termite and fungus.
  • Another object of the present invention is to provide the mix wood plastic composite and the process for producing the composite that obviates the problems of the prior arts.
  • the present invention generally relates to a plastic-wood composite that can serve as a wood substitute in various applications where wood is used and a process of producing the plastic-wood composite using mix plastic waste material.
  • the wood powder or rice husk powder or wood fiber needs to be dried first before compounding but in the present invention, it can be used directly.
  • composition for producing the mix plastic -wood composites comprises of,
  • Said composite A, composite B and composite C is in the range of 50- 60%, 25-35% and 15-20% respectively.
  • Said composite A is the raw material, wherein, said raw material comprises mix plastic (Including Multi-Layered Plastic (MLP) or aluminum coated plastic film) densified material.
  • Said raw material is in the range of 50-60%.
  • the present invention eliminates the need of segregating the plastic wastes and thereby utilizing any or all kind of plastic waste raw material in the same form in which it is received.
  • the mix plastic waste used in the present composition is the plastic waste that utilizes varied plastics not limiting to the use of PET (Polyethyleneterephthalate), HDPE (High density polyethylene), LDPE (Low density polyethylene), PP (polypropelyne) , polystyrene, Water bottles, Bags, Jars, Drums, poly sack, Toys, PVC cooling sheets, HM bags, bottles, Industrial, plastic bags, Articles, Films, Articles (cup), MLP (Multi-layer plastic) laminated, Aluminium content plastic, Soft plastics and mixture of them.
  • the plastic waste in the present composition is therefore non segregated plastic waste saving the time, energy and cost of the entire process. Out of this 50-60%, 30-40% is mix road waste that includes all type of plastic waste, and the rest is MLP sourced from industries as it a common production rejection waste for several factories.
  • Said composite B is the mixture of a wood powder or wood fiber or rice husk powder and an organic or inorganic filler and a master batch / color pigment.
  • Said wood powder or wood fiber or rice husk powder is in the range of 15-20%; said the filler is in the range of 10- 15%; whereas the color pigment is in the range of 1-2%.
  • wood powder or wood fiber or rice husk powder can be used directly and does not need to be dried first.
  • the organic or inorganic filler such as Calcium powder or Fly ash is used to improve the hardness of the composite.
  • the color pigment (Orange - 13 or pigment of similar shade) is used to provide color to the composite material.
  • Said composite C is the mixture of moisture remover powder and chemical and waste plastic or rejected material.
  • Said moisture remover powder is in the range of 2-3%, the chemical is in the range of 2-3% and the waste plastic or rejected material is in the range of 10-15%.
  • the moisture remover powder is used to remove the moisture from the wood powder or wood fiber or rice husk powder.
  • the chemical such as Zinc Stearate or Calcium Stearate is used to prevent the sticking of the material on screw.
  • the rejected or plastic waste material during the production process is also used to eliminate the production wastage.
  • Said composite C is the mixture of moisture remover powder and chemical and waste plastic or rejected material and a Maleic Anhydride (MAH).
  • Said moisture remover powder is in the range of 2-3%
  • the chemical is in the range of 2-3%
  • the waste plastic or rejected material is in the range of 10-15%
  • the Maleic Anhydride (MAH) is in the range of up to 1%.
  • the moisture remover powder is used to remove the moisture from the wood powder or wood fiber or rice husk powder.
  • the chemical such as Zinc Stearate or Calcium Stearate is used to prevent the sticking of the material on screw.
  • the rejected or plastic waste material during the production process is also used to reduce the production wastage.
  • Maleic Anhydride (MAH) is used to improve the input resistance and physical as well as mechanical properties of the composite.
  • Step 1 Mixing and heating of said composite A
  • Mixing of said composite A which includes mix plastic (Multi-Layered Plastic (MLP) or aluminum coated plastic film) densified material.
  • MLP Multi-Layered Plastic
  • the prepared mixture is heated with frictional and external heating at temperature in the range of 140-150 degrees Celsius.
  • Step 2 Adding composite B to the heated mixture of composite A
  • composite B material such as wood powder or rice husk powder or wood fiber and Calcium powder or Fly ash as filler and a color pigment to the heated mixture of composite A.
  • Step 3 Removing the moisture
  • Step 4 Adding the remaining materials of composite C
  • step 3 Adding the remaining materials of composite C to the demoisturized mixture obtained in step 3.
  • the chemical such as Zinc Stearate or Calcium Stearate is added to prevent the sticking of the material on screw and the rejected material is added to reduce the plastic wastage during production process.
  • Step 5 Preparing the mixture in semi-melted form and ejecting the compounded material
  • step 4 The mixture obtained from step 4 is then prepared in semi-melted form and the compounded material is then ejected out of the compounding machine.
  • the present invention provides the mix plastic -wood composite utilizing non-segregated plastic wastes as a raw material, which is available in many colors and textures that adds to the extraordinarness of the building. It is widely used in indoor and outdoor furniture, outdoor decking floors, cladding, door and window frames, railings, fences, etc.
  • Said composite A, B and C are taken in the range 50-60%, 25-35% and 15-20% respectively.
  • Said below table illustrate and results in compressive strength at 10% deflection, water absorption at 24 hrs. in distilled water, pass the impact strength, provide resistance to fire and tensile strength at break as shown in below table:
  • the present invention provide composites manufactured by the present composition in the said specific range by the aforesaid process are resistant to ultraviolet light and it provides the composite with increased shelf life, strength and durability and therefore is highly efficient and environment friendly.
  • the present invention provides the wood-plastic composite, which has replaced natural wood and is sustainable as it is made of mix waste plastic material.
  • Said invention provides the mix plastic-wood composites, having properties of both materials of plastic and wood. They have stiffness and strength between those for plastic or wood.
  • the composite is made from waste products and recycled materials.
  • the material is highly durable and is not affected by rain, snow or peak summer conditions.
  • the composite can be nailed, screwed, glued, pinned and additional alterations can be made using standard joinery tools.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

La présente invention concerne un composite bois-plastique qui peut servir de substitut du bois dans diverses applications dans lesquelles le bois est utilisé, ainsi qu'un procédé de production du composite plastique-bois à l'aide d'un matériau de déchet plastique mélangé. La composition pour la production de composites bois-plastique mélangé comprend : un composite A, un composite B et un composite C dans la plage de 50-60 %, 25-35 % et 15-20 %, respectivement. Le procédé de fabrication de composites bois-plastique mélangé ou de la composition de substitution du bois résout le problème du recyclage des déchets de plastique mélangé.
PCT/IN2021/051031 2020-10-29 2021-10-28 Composite bois-plastique mélangé et son procédé WO2022091133A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN202021047293 2020-10-29
IN202021047293 2020-10-29

Publications (1)

Publication Number Publication Date
WO2022091133A1 true WO2022091133A1 (fr) 2022-05-05

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ID=81382140

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IN2021/051031 WO2022091133A1 (fr) 2020-10-29 2021-10-28 Composite bois-plastique mélangé et son procédé

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040076804A1 (en) * 2000-11-10 2004-04-22 Masato Kijima Surface-protecting film/sheet and decorative film/sheet, and decorative material
US20040089412A1 (en) * 2002-11-12 2004-05-13 Topolkaraev Vasily A. Methods of making responsive film with corrugated microlayers having improved properties
US20100159213A1 (en) * 2008-12-19 2010-06-24 Przybylinski James P Wood-Plastic Composites Utilizing Ionomer Capstocks and Methods of Manufacture
US20110210469A1 (en) * 2010-02-26 2011-09-01 Keller Brian D Production of useful articles from waste material
US20160168344A1 (en) * 2014-12-10 2016-06-16 Teal Cedar Products Ltd. Wood-plastic composite material

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040076804A1 (en) * 2000-11-10 2004-04-22 Masato Kijima Surface-protecting film/sheet and decorative film/sheet, and decorative material
US20040089412A1 (en) * 2002-11-12 2004-05-13 Topolkaraev Vasily A. Methods of making responsive film with corrugated microlayers having improved properties
US20100159213A1 (en) * 2008-12-19 2010-06-24 Przybylinski James P Wood-Plastic Composites Utilizing Ionomer Capstocks and Methods of Manufacture
US20110210469A1 (en) * 2010-02-26 2011-09-01 Keller Brian D Production of useful articles from waste material
US20160168344A1 (en) * 2014-12-10 2016-06-16 Teal Cedar Products Ltd. Wood-plastic composite material

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