WO2015039635A1 - Composite with polyolefinic thermoplastic matrix and fibers of coconut for extrusion processes - Google Patents

Composite with polyolefinic thermoplastic matrix and fibers of coconut for extrusion processes Download PDF

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Publication number
WO2015039635A1
WO2015039635A1 PCT/CZ2013/000109 CZ2013000109W WO2015039635A1 WO 2015039635 A1 WO2015039635 A1 WO 2015039635A1 CZ 2013000109 W CZ2013000109 W CZ 2013000109W WO 2015039635 A1 WO2015039635 A1 WO 2015039635A1
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WO
WIPO (PCT)
Prior art keywords
weight
fibers
composite
coconut
extrusion processes
Prior art date
Application number
PCT/CZ2013/000109
Other languages
French (fr)
Inventor
Petr LENFELD
Jiři BOBEK
Martin Seidl
Original Assignee
Technická Univerzita V Liberci - Katedra Strojírenské Technologie Oddělení Tváření Kovů A Zpracování Plastů
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Priority to EP13780308.6A priority Critical patent/EP3046954A1/en
Priority to PCT/CZ2013/000109 priority patent/WO2015039635A1/en
Publication of WO2015039635A1 publication Critical patent/WO2015039635A1/en

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    • 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
    • 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
    • C08J5/10—Reinforcing macromolecular compounds with loose or coherent fibrous material characterised by the additives used in the polymer mixture
    • 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
    • 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
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • 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
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L51/06—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
    • 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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/06—Polyethene
    • 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
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/10—Homopolymers or copolymers of propene
    • C08J2323/12—Polypropene
    • 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

  • composition with polyolefinic thermoplastic matrix with natural fiber fillers of coconut for the extrusion technologies for the manufacture of plastic parts and semi-finished products with higher utility properties.
  • Polymeric materials and their composites belong to the most progressively developing materials because the polymeric materials represent the most important segment of the production and consumption by volume between all technical materials and there is no doubt that they are crucial to modern technical society.
  • the current development of polymeric materials and their processing technologies will continue in increasing volume and the success of individual materials developed by basic and applied research will be crucially influenced by the ratio between the price and the utility value of the material.
  • This research area also includes the replacement of glass fibers by natural fibers which are from the environmental point of view the subject of interest of polymer processors. Application of natural fibers is a significant material change which traditionally aims not only for the automotive industry, but also to the areas of consumer industry, medical applications, etc.
  • the advantage of natural fibers is, in comparison with other fibrous materials (used in the manufacture of composites), their low weight, low abrasion (preventing the wear of the processing machines), burning, nontoxicity, biodegradability, good thermal and physical properties, easy recycling and in particular, the low price, independent of the price of oil.
  • Another advantage is the possibility to apply other surface treatments, such as printing, coating, co-extrusion, etc., easy division without destroying and tool wear.
  • the natural fibers are used in the industry as the reinforcement of shaped large-scale parts, e.g. wooden sawdust, containing cellulose fibers and nonwoven linen materials with the polypropylene.
  • Production of wood-fiber material is at a fairly high level. It should be emphasized that these are especially the products resulting- from pressing, extrusion. At present, the fibrous materials are enforcing even in the field of injection, but the biggest boom came in extrusion technology, where the typical products are fence rods, casing, hollow profiles, boards, pallets, moldings, etc.
  • the application of composites may be dated from the year 1908, when the composite material based on phenolic resin reinforced with wood flour was used for the first time (L. Baekeland).
  • glass fiber of company Owens-Illincis Glass Co. (1933) the first fibreglasses were appearing, i.e. polymeric composites with glass fibers, e.g. coverings of aircraft radar (1942) or the parts of the bodywork of cars (1956, comp. Citroen), etc.
  • the carbon, wood, ceramic fibers, etc. were applied for reinforcing purposes during the development of polymer composites.
  • Wood is the most commonly used natural fiber for extrusion, but also other fibrous materials are used, such as bamboo, hemp, sisal, hay, straw, etc.
  • the fibrous material is mainly made of spruce or just spruce mixed with fir, pine, beech and oak. Trade names of such products are then such Polywood , Bestwood or Lignocel .
  • the fibers of precisely defined quality are the basis of the final product. Usually the soft woods are recommended to achieve high strengths.
  • Known applications are components in a Mercedes C class, Daimler AG. (e.g. panels of the doors and acoustic insulation), the rear cover of bus engine, made from mat of natural fibers, etc.
  • This technical solution aims the creating of a composite with the targeted composition of the thermoplastic polyolefenic matrix, additive and fiber filler on the basis of natural materials for the improvement of final and utility properties of the plastic parts with environmentally much lower capacity, compared to the 100% synthetic products.
  • the essence of the technical solution lies in the fact that the composite contains from 45 to 87 weight % of polypropylene or polyethylene for extrusion processes, from 10 to 50 weight % of natural fibers of coconut (the length of the fibers from 0.2 to 3 mm) and from 3 to 5 weight % of additive based on maleic anhydride.
  • the composite prepared by this way can be according to the requirements on the final and utility properties of parts and semi-finished products or according to the requirements of the process can be supplemented with other additives, such as lubricants, inorganic fillers, colours, UV stabilizers, biocides, flame retardants, etc.
  • This percentage addition can be made in terms of reduction in weight % of natural fibers or in the reduction in weight % of polypropylene or polyethylene.
  • the fibers of coconut of needed defined quality in terms of impacts and effects of temperature and strain during the process of fiber preparation, the process of granulation and further gradual process such as injection molding, are the basis of the composite.
  • the obtained composite is supplied in granular form in terms of good bulk density and decrease of the dust, and it is intended in particular for technological processes of extrusion, but it is also applicable to other plastics processing technologies.
  • polymer composite with polyolefinic thermoplastic matrix and fibers of coconut is described in the following examples, including an indication of the appropriate application, whereas the component A consists of polypropylene or polyethylene, component B of natural fibers of coconut (the length of the fibers from 0.2 to 3 mm), component C of additive based on maleic anhydride, component D of additives. Examples with no additives:
  • Component A 87 weight % of polypropylene or polyethylene
  • Component B 10 weight % of natural fibers of coconut
  • Component C 3 weight % of additive based on maleic anhydride
  • Component A 77 weight % of polypropylene or polyethylene
  • Component B 20 weight % of natural fibers of coconut
  • Component C 3 weight % of additive based on maleic anhydride
  • Component A 67 weight % of polypropylene or polyethylene
  • Component B 30 weight % of natural fibers of coconut
  • Component C 3 weight % of additive based on maleic anhydride
  • Component A 75 weight % of polypropylene or polyethylene
  • Component B 20 weight % of natural fibers of coconut
  • Component C 3 weight % of additive based on maleic anhydride
  • Component D 2 weight % of other additives (pigment)
  • Component A 77 weight % of polypropylene or polyethylene
  • Component B 18 weight % of natural fibers of coconut
  • Component C 3 weight % of additive based on maleic anhydride
  • Component D 2 weight % of other additives (UV stabilizer)
  • Polymer composite with polyolefmic thermoplastic matrix and fibers of coconut can be advantageously used for the production of plastic parts and semi-finished products by technology of extrusion, which is characterized by improved utility and final characteristics, for example mechanical properties, thermal and physical properties, dimensional stability, easy recycling, etc., economic savings, shorten production cycles, environmental aspects, etc. Industrial efficiency
  • Polymer composite with polyolefinic thermoplastic matrix and fibers of coconut according to this technical solution is suitable for the production of plastic parts and semi-finished products by technology of extrusion and also by other different technological processes for plastics treatment.

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

Abstract

This technical solution aims the creating of a composite with the targeted composition of the thermoplastic polyolefenic matrix, additive and fiber filler on the basis of natural materials for the improvement of final and utility properties of the plastic parts with environmentally much lower capacity, compared to the 100% synthetic products. The essence of the technical solution lies in the fact that the composite contains from 45 to 87 weight % of polypropylene or polyethylene for extrusion processes, from 10 to 50 weight % of natural fibers of coconut (the length of the fibers from 0.2 to 3 mm) and from 3 to 5 weight % of additive based on maleic anhydride.

Description

Composite with polyolefinic thermoplastic matrix and fibers of coconut for extrusion processes
Technology area
This technical solution regards the composition with polyolefinic thermoplastic matrix with natural fiber fillers of coconut for the extrusion technologies for the manufacture of plastic parts and semi-finished products with higher utility properties.
Present condition of technology
Polymeric materials and their composites belong to the most progressively developing materials because the polymeric materials represent the most important segment of the production and consumption by volume between all technical materials and there is no doubt that they are crucial to modern technical society. The current development of polymeric materials and their processing technologies will continue in increasing volume and the success of individual materials developed by basic and applied research will be crucially influenced by the ratio between the price and the utility value of the material. This research area also includes the replacement of glass fibers by natural fibers which are from the environmental point of view the subject of interest of polymer processors. Application of natural fibers is a significant material change which traditionally aims not only for the automotive industry, but also to the areas of consumer industry, medical applications, etc. The advantage of natural fibers is, in comparison with other fibrous materials (used in the manufacture of composites), their low weight, low abrasion (preventing the wear of the processing machines), burning, nontoxicity, biodegradability, good thermal and physical properties, easy recycling and in particular, the low price, independent of the price of oil. Another advantage is the possibility to apply other surface treatments, such as printing, coating, co-extrusion, etc., easy division without destroying and tool wear.
Now the natural fibers are used in the industry as the reinforcement of shaped large-scale parts, e.g. wooden sawdust, containing cellulose fibers and nonwoven linen materials with the polypropylene. Production of wood-fiber material is at a fairly high level. It should be emphasized that these are especially the products resulting- from pressing, extrusion. At present, the fibrous materials are enforcing even in the field of injection, but the biggest boom came in extrusion technology, where the typical products are fence rods, casing, hollow profiles, boards, pallets, moldings, etc.
Historically, the application of composites may be dated from the year 1908, when the composite material based on phenolic resin reinforced with wood flour was used for the first time (L. Baekeland). By the development of glass fiber of company Owens-Illincis Glass Co. (1933) the first fibreglasses were appearing, i.e. polymeric composites with glass fibers, e.g. coverings of aircraft radar (1942) or the parts of the bodywork of cars (1956, comp. Citroen), etc. In addition to glass fiber also the carbon, wood, ceramic fibers, etc. were applied for reinforcing purposes during the development of polymer composites. The hidden reality of today is the use of natural fibers for the production of polymeric composites used for the production of large-scale components of the internal padding and of the external parts of the bodywork of cars and other transport technologies. Polymer extrusion with fiber reinforcement increases since 1995. The branch in recent years actively presents at Interzum fair in Cologne . In the U.S., the production of extruded natural fibers increased at the current level of about 400,000 tons per year. By processing of wood and cellulose into fiber the specialized companies in Germany produce each year more than 370,000 tons of fibers. The share of bicomposites increases each year, but there is still only few technical solutions and options. Wood is the most commonly used natural fiber for extrusion, but also other fibrous materials are used, such as bamboo, hemp, sisal, hay, straw, etc. The fibrous material is mainly made of spruce or just spruce mixed with fir, pine, beech and oak. Trade names of such products are then such Polywood , Bestwood or Lignocel . The fibers of precisely defined quality are the basis of the final product. Mostly the soft woods are recommended to achieve high strengths. Known applications are components in a Mercedes C class, Daimler AG. (e.g. panels of the doors and acoustic insulation), the rear cover of bus engine, made from mat of natural fibers, etc.
The proposed technical solution responds to the growing demand and requirements relating to these materials, which are, however, in the Czech Republic, very little extended. Pressure on the applications of such materials is constantly growing, and not only as a result of the economic situation (the price of oil is still changing, but mainly grows), not only due to the possibilities of influencing of the final and utility characteristics of the products (dimensional stability, increased strength, easy workability), but also in terms of climate change (almost unsolved recycling of existing parts of the synthetic plastics, synthetic plastics incineration, landfilling). Principle of technical solution
This technical solution aims the creating of a composite with the targeted composition of the thermoplastic polyolefenic matrix, additive and fiber filler on the basis of natural materials for the improvement of final and utility properties of the plastic parts with environmentally much lower capacity, compared to the 100% synthetic products. The essence of the technical solution lies in the fact that the composite contains from 45 to 87 weight % of polypropylene or polyethylene for extrusion processes, from 10 to 50 weight % of natural fibers of coconut (the length of the fibers from 0.2 to 3 mm) and from 3 to 5 weight % of additive based on maleic anhydride.
The composite prepared by this way can be according to the requirements on the final and utility properties of parts and semi-finished products or according to the requirements of the process can be supplemented with other additives, such as lubricants, inorganic fillers, colours, UV stabilizers, biocides, flame retardants, etc. This percentage addition can be made in terms of reduction in weight % of natural fibers or in the reduction in weight % of polypropylene or polyethylene.
The fibers of coconut, of needed defined quality in terms of impacts and effects of temperature and strain during the process of fiber preparation, the process of granulation and further gradual process such as injection molding, are the basis of the composite. The obtained composite is supplied in granular form in terms of good bulk density and decrease of the dust, and it is intended in particular for technological processes of extrusion, but it is also applicable to other plastics processing technologies.
Examples of technical solution conduct
Polymer composite with polyolefinic thermoplastic matrix and fibers of coconut is described in the following examples, including an indication of the appropriate application, whereas the component A consists of polypropylene or polyethylene, component B of natural fibers of coconut (the length of the fibers from 0.2 to 3 mm), component C of additive based on maleic anhydride, component D of additives. Examples with no additives:
Option 1 :
Component A: 87 weight % of polypropylene or polyethylene
Component B: 10 weight % of natural fibers of coconut
Component C: 3 weight % of additive based on maleic anhydride
Option 2:
Component A: 77 weight % of polypropylene or polyethylene
Component B: 20 weight % of natural fibers of coconut
Component C: 3 weight % of additive based on maleic anhydride
Option 3:
Component A: 67 weight % of polypropylene or polyethylene
Component B: 30 weight % of natural fibers of coconut
Component C: 3 weight % of additive based on maleic anhydride
Examples with usage of additives:
Option 4:
Component A: 75 weight % of polypropylene or polyethylene
Component B: 20 weight % of natural fibers of coconut
Component C: 3 weight % of additive based on maleic anhydride
Component D: 2 weight % of other additives (pigment)
Option 5:
Component A: 77 weight % of polypropylene or polyethylene
Component B: 18 weight % of natural fibers of coconut
Component C: 3 weight % of additive based on maleic anhydride
Component D: 2 weight % of other additives (UV stabilizer)
Polymer composite with polyolefmic thermoplastic matrix and fibers of coconut can be advantageously used for the production of plastic parts and semi-finished products by technology of extrusion, which is characterized by improved utility and final characteristics, for example mechanical properties, thermal and physical properties, dimensional stability, easy recycling, etc., economic savings, shorten production cycles, environmental aspects, etc. Industrial efficiency
Polymer composite with polyolefinic thermoplastic matrix and fibers of coconut according to this technical solution is suitable for the production of plastic parts and semi-finished products by technology of extrusion and also by other different technological processes for plastics treatment.

Claims

Claims for protection
1. Composite with polyolefinic thermoplastic matrix and fibers of coconut for extrusion processes characterized in that the composite contains from 45 to 87 weight % of polypropylene or polyethylene for extrusion processes, from 10 to 50 weight % of natural fibers of coconut (the length of the fibers from 0.2 to 3 mm) and from 3 to 5 weight % of additive based on maleic anhydride.
2. Composite with polyolefinic thermoplastic matrix and fibers of coconut for extrusion processes according to the claim 1 characterized in that the composite can be supplemented with other additives, such as lubricants, inorganic fillers, colours, UV stabilizers, biocides, flame retardants, etc. where this percentage addition can be made in terms of reduction in weight % of natural fibers and/or in the reduction in weight % of polypropylene or polyethylene.
PCT/CZ2013/000109 2013-09-17 2013-09-17 Composite with polyolefinic thermoplastic matrix and fibers of coconut for extrusion processes WO2015039635A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP13780308.6A EP3046954A1 (en) 2013-09-17 2013-09-17 Composite with polyolefinic thermoplastic matrix and fibers of coconut for extrusion processes
PCT/CZ2013/000109 WO2015039635A1 (en) 2013-09-17 2013-09-17 Composite with polyolefinic thermoplastic matrix and fibers of coconut for extrusion processes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CZ2013/000109 WO2015039635A1 (en) 2013-09-17 2013-09-17 Composite with polyolefinic thermoplastic matrix and fibers of coconut for extrusion processes

Publications (1)

Publication Number Publication Date
WO2015039635A1 true WO2015039635A1 (en) 2015-03-26

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Country Status (2)

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WO (1) WO2015039635A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3082846A1 (en) * 2018-06-22 2019-12-27 Faurecia Interieur Industrie COMPOSITION BASED ON NATURAL FIBERS AND POWDER HOMOPOLYMER POLYPROPYLENE
CN111040368A (en) * 2019-12-20 2020-04-21 广州市聚赛龙工程塑料股份有限公司 ABS alloy material with low linear expansion coefficient, and preparation method and application thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102206380A (en) * 2011-04-11 2011-10-05 山东理工大学 Preparation method of composite material for automobile door plate
WO2012087250A1 (en) * 2010-12-21 2012-06-28 Jadsadaphongphaibool Bumrung Composition of coconut fiber mixed polyolefins for replacment of natural wood
US20120225976A1 (en) * 2011-03-04 2012-09-06 Madeplast Indústria e Comércio de Madeira Plástica LTDA-ME Composition of thermoplastic composites, manufacturing processes and resulting products

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57108161A (en) * 1980-12-24 1982-07-06 Iwao Hishida Composite resin composition

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012087250A1 (en) * 2010-12-21 2012-06-28 Jadsadaphongphaibool Bumrung Composition of coconut fiber mixed polyolefins for replacment of natural wood
US20120225976A1 (en) * 2011-03-04 2012-09-06 Madeplast Indústria e Comércio de Madeira Plástica LTDA-ME Composition of thermoplastic composites, manufacturing processes and resulting products
CN102206380A (en) * 2011-04-11 2011-10-05 山东理工大学 Preparation method of composite material for automobile door plate

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
CHEN X ET AL: "Coconut fiber reinforced polypropylene composite material comprises polypropylene, coconut fiber, a compatibilizer, an antioxidant and a lubricating agent", WPI / THOMSON,, vol. 2011, no. 55, 29 June 2011 (2011-06-29), XP002662666 *
DATABASE WPI Week 201182, Derwent World Patents Index; AN 2011-N89734, XP002723820 *
See also references of EP3046954A1 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3082846A1 (en) * 2018-06-22 2019-12-27 Faurecia Interieur Industrie COMPOSITION BASED ON NATURAL FIBERS AND POWDER HOMOPOLYMER POLYPROPYLENE
US11485842B2 (en) 2018-06-22 2022-11-01 Faurecia Interieur Industrie Natural fibers and powdery polypropylene homopolymer based composition
CN111040368A (en) * 2019-12-20 2020-04-21 广州市聚赛龙工程塑料股份有限公司 ABS alloy material with low linear expansion coefficient, and preparation method and application thereof

Also Published As

Publication number Publication date
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