CN106243761A - A kind of high-intensity wood plastic composite - Google Patents

A kind of high-intensity wood plastic composite Download PDF

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Publication number
CN106243761A
CN106243761A CN201610754291.2A CN201610754291A CN106243761A CN 106243761 A CN106243761 A CN 106243761A CN 201610754291 A CN201610754291 A CN 201610754291A CN 106243761 A CN106243761 A CN 106243761A
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China
Prior art keywords
parts
plastic composite
modified
wood
wood powder
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CN201610754291.2A
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Chinese (zh)
Inventor
严秀芹
陆绍荣
曾岑
罗崇禧
谢超
卢李勤
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GUILIN SHUKANG BUILDING MATERIAL CO Ltd
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GUILIN SHUKANG BUILDING MATERIAL CO Ltd
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Priority to CN201610754291.2A priority Critical patent/CN106243761A/en
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L97/00Compositions of lignin-containing materials
    • C08L97/02Lignocellulosic material, e.g. wood, straw or bagasse
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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

Abstract

The invention discloses a kind of high-intensity wood plastic composite, be made up of each component of following weight: modified plastics 60~80 parts, modified wood powder 90~100 parts, ceramic fibre 2~4 parts, thermal conductive ceramic 10~12 parts, Pulvis Talci 3~6 parts, calcium carbonate 4~7 parts, sodium lignin sulfonate 0.4~0.8 part, Tissuemat E 1~3 parts, chitosan 3~7 parts, toughener 1~4 parts, nano silicon 0.2~0.4 part, rare earth composite stabilizer 0.1~0.3 part.The present invention has that mechanical property is good and the advantage such as water absorption rate is low, is the wood plastic composite of a kind of fine development prospect.

Description

A kind of high-intensity wood plastic composite
Technical field
The present invention relates to a kind of high-intensity wood plastic composite, belong to technical field of composite materials.
Background technology
Wood plastic composite (Wood-Plastic Composites, WPC) is using thermoplastic as matrix, with warp Cross the plant powder of pretreatment or the wood fiber as filler or reinforcement, by a certain percentage with add needed for various auxiliary agents carry out Mixing, a kind of composite that the mode through extruding, be laminated, mold or being molded is prepared as.It has preferable springform Amount, resistance to compression, the performance such as counter-bending, durable, the most also have raw material resources, cost economization, product plasticization, use environmental protection The features such as change and reclaiming.Therefore, wood plastic composite suffers from being widely applied in many fields.
At present, the research about wood plastic composite is emphatically improve interface compatibility and improve processing technique to obtain The material that mechanical property, processing characteristics are the most excellent, to meet the needs of various application.China Patent Publication No. is CN105082303 A discloses the patent of entitled " preparation method of a kind of high-intensity wood plastic composite ", this preparation method master If utilizing pectinase solution to process wood materials to improve the mechanical strength of wood plastic composite.Although it can obtain certain Intensity, but can't be satisfactory.Its water absorption rate is bigger simultaneously, easily produces the wood powder in composite mouldy and mechanical Intensity is remarkably decreased.Therefore, it is necessary for continuing to explore the mechanical property with research wood plastic composite.
Summary of the invention
For the technical problem that the poor mechanical property of wood plastic composite in above-mentioned prior art and water absorption rate are bigger, this Invent to be solved technical problem is that and propose the high-intensity wood plastic composite that a kind of mechanical property is good and water absorption rate is low.
A kind of high-intensity wood plastic composite, is made up of each component of following weight: modified plastics 60~80 parts, Modified wood powder 90~100 parts, ceramic fibre 2~4 parts, thermal conductive ceramic 10~12 parts, Pulvis Talci 3~6 parts, calcium carbonate 4~7 parts, Sodium lignin sulfonate 0.4~0.8 part, Tissuemat E 1~3 parts, chitosan 3~7 parts, toughener 1~4 parts, nano silicon 0.2~0.4 part, rare earth composite stabilizer 0.1~0.3 part.
Preferentially,
A kind of high-intensity wood plastic composite, is made up of each component of following weight: modified plastics 70 parts, modification Wood powder 95 parts, ceramic fibre 3 parts, thermal conductive ceramic 11 parts, Pulvis Talci 5 parts, calcium carbonate 6 parts, sodium lignin sulfonate 0.6 part, poly-second 2 parts of alkene wax, chitosan 5 parts, toughener 2 parts, nano silicon 0.3 part, rare earth composite stabilizer 0.2 part.
Described modified plastics is made up of each component of following weight: waste plastic 70~80 parts, discarded rubber Glue 10~15 parts, polypropylene 6~8 parts, initiator 1~3 parts, ethylenediaminetetraacetic acid dianhydride 4~6 parts, maleic anhydride 4~6 parts.
Preferably,
Described modified plastics is made up of each component of following weight: waste plastic 75 parts, waste rubber 12 Part, polypropylene 7 parts, initiator 2 parts, ethylenediaminetetraacetic acid dianhydride 5 parts, maleic anhydride 5 parts.
Described modified plastics is to prepare according to following steps:
1) by waste plastic 70~80 parts, waste rubber 10~15 parts, polypropylene 6~8 parts, initiator 1~3 parts, second two Amine tetraacethyl dianhydride 4~6 parts, maleic anhydride 4~6 parts add the mixing of ball mill ball millings, wherein, drum's speed of rotation be 200~ 300r/min, Ball-milling Time are 15~20min;
2) by through step 1) process the compound that obtains and utilize double-screw extruding pelletizing, wherein, extruder rotating speed be 20~ 30r/min, extrusion temperature is 140~160 DEG C, i.e. can get modified plastics.
Described modified wood powder is to prepare according to following steps:
1) first 100 parts of wood powders are ground into 100~120 mesh, then by 50~60 DEG C, mass fraction 3~the hydroxide of 5% The alkali alcoholic solution of sodium and ethanol composition soaks 4~5h, then be placed on the ball mill that rotating speed is 200~300r/min ball milling 15~ 20min;Be eventually adding mass fraction 3~5% acetic acid pH value being adjusted to be 5~7, sucking filtration is dried, obtained modified wood powder 1;
2) first 100 parts of wood powders are ground into 100~120 mesh, and add 1 successively~3 parts of sodium silicate, 1~3 part of sodium methyl silicate With 2~4 parts of Oleum Verniciae fordii, it is subsequently placed in ball milling 40~60min on the ball mill that rotating speed is 200~300r/min, sucking filtration, dries, To modified wood powder 2;
3) by after modified wood powder 1,2 mix homogeneously, add 2~the silicon fluoride coupling agent of 4 parts, be placed in frequency be 30~ On 40KHz ultrasonic machine ultrasonic 15~20min, i.e. can get modified wood powder.
Described thermal conductive ceramic is aluminium oxide-aluminium nitride ceramics;Described initiator is cumyl peroxide;Described Toughener is acrylonitrile-butadiene-styrene copolymer.
Compared with prior art, the invention has the beneficial effects as follows:
1, the present invention use ethylenediaminetetraacetic acid dianhydride and maleic anhydride to improve the interface compatibility of wood plastic composite, Overcome the defect being grafted single anhydride, be more beneficial for wood powder and be dispersed in plastics, thus improve between plastics and wood powder Interact, improve the mechanical property of wood plastic composite.Also added scrap rubber simultaneously, can preferably utilize resource, again The mechanical strength of wood plastic composite can be improved.
2, the present invention uses alkali alcohol to process and Combined Processing (sodium silicate, sodium methyl silicate and Oleum Verniciae fordii), and combines silicon fluoride Coupling agent carrys out modified wood powder.Multiple modified process wood powder, can not only overcome the defect of single treatment method, simultaneously can also be notable Reduce the water absorption rate of wood plastic composite, make wood plastic composite reduce the infringement of mycete in actual application, extend wood The life-span of plastic composite materials.Additionally, the more important thing is, multiple modified process wood powder also greatly increases the phase of wood powder and plastics Capacitive and interface affinity, so that wood plastic composite has good mechanical property.
Detailed description of the invention
The present invention provides a kind of high-intensity wood plastic composite, for making the purpose of the present invention, technical scheme and effect more Clear, clear and definite, the present invention is described in more detail below.
A kind of high-intensity wood plastic composite, is made up of each component of following weight: modified plastics 60~80 parts, Modified wood powder 90~100 parts, ceramic fibre 2~4 parts, thermal conductive ceramic 10~12 parts, Pulvis Talci 3~6 parts, calcium carbonate 4~7 parts, Sodium lignin sulfonate 0.4~0.8 part, Tissuemat E 1~3 parts, chitosan 3~7 parts, toughener 1~4 parts, nano silicon 0.2~0.4 part, rare earth composite stabilizer 0.1~0.3 part.
Described modified plastics is made up of each component of following weight: waste plastic 70~80 parts, discarded rubber Glue 10~15 parts, polypropylene 6~8 parts, initiator 1~3 parts, ethylenediaminetetraacetic acid dianhydride 4~6 parts, maleic anhydride 4~6 parts.
Preferably,
Described modified plastics is made up of each component of following weight: waste plastic 75 parts, waste rubber 12 Part, polypropylene 7 parts, initiator 2 parts, ethylenediaminetetraacetic acid dianhydride 5 parts, maleic anhydride 5 parts.
Described modified plastics is to prepare according to following steps:
1) by waste plastic 70~80 parts, waste rubber 10~15 parts, polypropylene 6~8 parts, initiator 1~3 parts, second two Amine tetraacethyl dianhydride 4~6 parts, maleic anhydride 4~6 parts add the mixing of ball mill ball millings, wherein, drum's speed of rotation be 200~ 300r/min, Ball-milling Time are 15~20min;
2) by through step 1) process the compound that obtains and utilize double-screw extruding pelletizing, wherein, extruder rotating speed be 20~ 30r/min, extrusion temperature is 140~160 DEG C, i.e. can get modified plastics.
Described modified wood powder is to prepare according to following steps:
1) first 100 parts of wood powders are ground into 100~120 mesh, then by 50~60 DEG C, mass fraction 3~the hydroxide of 5% The alkali alcoholic solution of sodium and ethanol composition soaks 4~5h, then be placed on the ball mill that rotating speed is 200~300r/min ball milling 15~ 20min;Be eventually adding mass fraction 3~5% acetic acid pH value being adjusted to be 5~7, sucking filtration is dried, obtained modified wood powder 1;
2) first 100 parts of wood powders are ground into 100~120 mesh, and add 1 successively~3 parts of sodium silicate, 1~3 part of sodium methyl silicate With 2~4 parts of Oleum Verniciae fordii, it is subsequently placed in ball milling 40~60min on the ball mill that rotating speed is 200~300r/min, sucking filtration, dries, To modified wood powder 2;
3) by after modified wood powder 1,2 mix homogeneously, add 2~the silicon fluoride coupling agent of 4 parts, be placed in frequency be 30~ On 40KHz ultrasonic machine ultrasonic 15~20min, i.e. can get modified wood powder.
Described thermal conductive ceramic is aluminium oxide-aluminium nitride ceramics;Described initiator is cumyl peroxide;Described Toughener is acrylonitrile-butadiene-styrene copolymer.
Embodiment 1
A kind of high-intensity wood plastic composite, is made up of each component of following weight: modified plastics 70 parts, modification Wood powder 95 parts, ceramic fibre 3 parts, thermal conductive ceramic 11 parts, Pulvis Talci 5 parts, calcium carbonate 6 parts, sodium lignin sulfonate 0.6 part, poly-second 2 parts of alkene wax, chitosan 5 parts, toughener 2 parts, nano silicon 0.3 part, rare earth composite stabilizer 0.2 part.
Embodiment 2
A kind of high-intensity wood plastic composite, is made up of each component of following weight: modified plastics 60 parts, modification Wood powder 90 parts, ceramic fibre 2 parts, thermal conductive ceramic 10 parts, Pulvis Talci 3 parts, calcium carbonate 4 parts, sodium lignin sulfonate 0.4 part, poly-second 1 part of alkene wax, chitosan 3 parts, toughener 1 part, nano silicon 0.2 part, rare earth composite stabilizer 0.1 part.
Embodiment 3
A kind of high-intensity wood plastic composite, is made up of each component of following weight: modified plastics 80 parts, modification Wood powder 100 parts, ceramic fibre 4 parts, thermal conductive ceramic 12 parts, Pulvis Talci 6 parts, calcium carbonate 7 parts, sodium lignin sulfonate 0.8 part, poly-second 3 parts of alkene wax, chitosan 7 parts, toughener 4 parts, nano silicon 0.4 part, rare earth composite stabilizer 0.3 part.
Comparative example 1 (comparative example 1 is only that with the difference of embodiment 1, the plastics in comparative example 1 not through modification, But direct use, remaining is with embodiment 1).
Comparative example 2 (comparative example 2 is only that with the difference of embodiment 1, the wood powder in comparative example 2 not through modification, But direct use, remaining is with embodiment 1).
Wood plastic composite prepared to above-described embodiment 1-3, comparative example 1-2 and background technology (CN105082303A) is adopted Testing by prior art, test result is as shown in table 1 below:
Table 1 wood plastic composite the performance test results
It can be seen that for the high-intensity wood plastic composite of dissimilar preparation is relative to background technology, there is mechanical property Can the advantages such as good and water absorption rate is low, be rising a kind of wood plastic composite.
Certainly, it is that the preferred embodiments of the disclosure is described in detail above, not limits the present invention with this Practical range, all principles under this invention, structure and structure made equivalence change, the protection of the present invention all should be covered by In the range of.

Claims (5)

1. a high-intensity wood plastic composite, it is characterised in that: it is made up of each component of following weight: modified plastics 60~80 parts, modified wood powder 90~100 parts, ceramic fibre 2~4 parts, thermal conductive ceramic 10~12 parts, Pulvis Talci 3~6 parts, carbonic acid Calcium 4~7 parts, sodium lignin sulfonate 0.4~0.8 part, Tissuemat E 1~3 parts, chitosan 3~7 parts, toughener 1~4 parts, nanometer Silicon dioxide 0.2~0.4 part, rare earth composite stabilizer 0.1~0.3 part.
High-intensity wood plastic composite the most according to claim 1, it is characterised in that: by each group of following weight Divide and make: modified plastics 70 parts, modified wood powder 95 parts, ceramic fibre 3 parts, thermal conductive ceramic 11 parts, Pulvis Talci 5 parts, calcium carbonate 6 Part, sodium lignin sulfonate 0.6 part, Tissuemat E 2 parts, chitosan 5 parts, toughener 2 parts, nano silicon 0.3 part, rare earth are multiple Close stabilizer 0.2 part.
High-intensity wood plastic composite the most according to claim 1, it is characterised in that: described modified plastics be according to Lower step prepares:
1) by waste plastic 70~80 parts, waste rubber 10~15 parts, polypropylene 6~8 parts, initiator 1~3 parts, ethylenediamine tetraacetic Acetic acid dianhydride 4~6 parts, maleic anhydride 4~6 parts add the mixing of ball mill ball milling, and wherein, drum's speed of rotation is 200~300r/ Min, Ball-milling Time are 15~20min;
2) by through step 1) process the compound that obtains and utilize double-screw extruding pelletizing, wherein, extruder rotating speed is 20~30r/ Min, extrusion temperature is 140~160 DEG C, i.e. can get modified plastics.
High-intensity wood plastic composite the most according to claim 1, it is characterised in that: described modified wood powder be according to Lower step prepares:
1) first 100 parts of wood powders are ground into 100~120 mesh, then with the sodium hydroxide of 50~60 DEG C, mass fraction 3~5% with The alkali alcoholic solution of ethanol composition soaks 4~5h, then is placed in ball milling 15~20min on the ball mill that rotating speed is 200~300r/min; Be eventually adding mass fraction 3~5% acetic acid pH value being adjusted to be 5~7, sucking filtration is dried, obtained modified wood powder 1;
2) first 100 parts of wood powders are ground into 100~120 mesh, and add 1 successively~3 parts of sodium silicate, 1~3 part of sodium methyl silicate and 2 ~4 parts of Oleum Verniciae fordii, it is subsequently placed in ball milling 40~60min on the ball mill that rotating speed is 200~300r/min, sucking filtration, dries, changed Property wood powder 2;
3) by after modified wood powder 1,2 mix homogeneously, add 2~the silicon fluoride coupling agent of 4 parts, be placed in frequency be 30~40KHz surpass On sound machine ultrasonic 15~20min, i.e. can get modified wood powder.
High-intensity wood plastic composite the most according to claim 1, it is characterised in that: described thermal conductive ceramic is oxidation Aluminum-aluminium nitride ceramics;Described initiator is cumyl peroxide;Described toughener is acrylonitrile-butadiene-styrene (ABS) Copolymer.
CN201610754291.2A 2016-08-29 2016-08-29 A kind of high-intensity wood plastic composite Pending CN106243761A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107325573A (en) * 2017-07-07 2017-11-07 湖州中林国际贸易有限公司 A kind of preparation method of wear-resisting Wood-plastic floor
CN108630122A (en) * 2018-03-16 2018-10-09 太仓优上展示器具有限公司 A kind of portable manufacturing method stablized durable Display Rack, support panel and support panel

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101792548A (en) * 2010-03-11 2010-08-04 刘晓媛 Wooden and plastic plate and manufacturing method thereof
CN102964740A (en) * 2012-12-07 2013-03-13 山东博拓塑业股份有限公司 High-hardness wood-plastic building template and preparation method thereof
CN105086273A (en) * 2015-08-26 2015-11-25 安徽北马科技有限公司 Antibacterial mildew-proof PVC (polyvinyl chloride) wood-plastic composite material

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101792548A (en) * 2010-03-11 2010-08-04 刘晓媛 Wooden and plastic plate and manufacturing method thereof
CN102964740A (en) * 2012-12-07 2013-03-13 山东博拓塑业股份有限公司 High-hardness wood-plastic building template and preparation method thereof
CN105086273A (en) * 2015-08-26 2015-11-25 安徽北马科技有限公司 Antibacterial mildew-proof PVC (polyvinyl chloride) wood-plastic composite material

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107325573A (en) * 2017-07-07 2017-11-07 湖州中林国际贸易有限公司 A kind of preparation method of wear-resisting Wood-plastic floor
CN107325573B (en) * 2017-07-07 2019-11-01 安徽爱瑞德新材料有限公司 A kind of preparation method of wear-resisting Wood-plastic floor
CN108630122A (en) * 2018-03-16 2018-10-09 太仓优上展示器具有限公司 A kind of portable manufacturing method stablized durable Display Rack, support panel and support panel

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Application publication date: 20161221