CN105968803A - High-flowability easy-to-process nylon 66 wood-plastic composite and preparation method - Google Patents

High-flowability easy-to-process nylon 66 wood-plastic composite and preparation method Download PDF

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Publication number
CN105968803A
CN105968803A CN201610388189.5A CN201610388189A CN105968803A CN 105968803 A CN105968803 A CN 105968803A CN 201610388189 A CN201610388189 A CN 201610388189A CN 105968803 A CN105968803 A CN 105968803A
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wood
plastic composite
powder
wood powder
districts
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Chinese (zh)
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胡晓红
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Hubei Yangtian Plastic Products Co Ltd
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Hubei Yangtian Plastic Products Co Ltd
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Priority to CN201610388189.5A priority Critical patent/CN105968803A/en
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    • 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
    • C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • 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
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • 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
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • 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
    • C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical 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 relates to a high- flowability easy-to-process nylon 66 wood-plastic composite and a preparation method. The composite is prepared from nylon 66 resin, modified pine wood flour, solubilizer, lubricant and other raw materials through a mixer, an extruder, a granulator and other devices. The composite is mainly applied in the industries of household appliances, building materials and furniture, automobiles, sports goods, logistics package and the like, the weight of the material can be effectively reduced, cost is reduced, and the wood-plastic composite has higher strength, toughness, size stability and thermal resistance and is a novel wood-plastic composite. Cost is greatly reduced, the performance defects of nylon 66 are eliminated, performance of nylon 66 is improved, and the problems that the technological flowability of a traditional wood-plastic composite is poor and products are difficult to extrude are solved. The product is excellent in performance and good in technological surface.

Description

A kind of high flowing easily processing nylon66 fiber wood plastic composite and preparation method
Technical field
The invention belongs to wood plastic composite field, be specifically related to a kind of high flowing easily processing nylon66 fiber wood and plastic composite Material and preparation method.
Background technology
The research and development application development of wood plastic composite is very fast in recent years, the market need to wood plastic composite Asking the most increasing, traditional polyethylene, polypropylene, polyvinyl chloride based wood-plastic composite material can not meet market need Ask, be badly in need of researching and developing new matrix and prepare wood plastic composite.Produce it addition, processing and forming difficulty is wood plastic composite Present in a major issue, due to a large amount of fillings of Plant fiber, the molding mobility of wood plastic composite melt Reducing, not only affect the outward appearance of goods, and process equipment causes certain abrasion, this is also that restriction wood is moulded at present The key factor of composite large-scale production, especially large scale are extruded continuously, the most domestic there is no mature technology. Therefore research emphasis, focus that Novel wood-plastic composite material also becomes present are developed.Based on this premise, the present invention produces Product use nylon66 fiber as base material, modified wood powder, composite lubricated system, prepare and will be better than in intensity and toughness Polyethylene, the wood plastic composite of polypropylene-base, and its processing characteristics, interface cohesion are also more preferable, extrude, be molded stream Dynamic property extraordinary novel nylon 66 wood plastic composite, product not only improves that nylon66 fiber water absorption rate is high, size is steady Qualitative, thermostability and the problem such as low temperature impact strength is poor, it is often more important that significantly reduce cost.Product mainly should For industries such as household electrical appliance, building materials furniture, automobile industry, sports goods, logistics packagings, can effective lightening material Deadweight, reduces cost, possesses higher intensity, toughness, dimensional stability and thermostability, be that a kind of novel wood is moulded Composite.
Summary of the invention
For realizing object above, the technical solution of the present invention is:
A kind of high flowing easily processing nylon66 fiber wood plastic composite and preparation method thereof, comprises the following steps:
The first step: wood powder processes
First wood powder, pine powder are sieved, be dried, baking temperature 105 DEG C, 12 hours drying times.
Silane coupler processes: first with water, dehydrated alcohol by silane coupled dilution agent, make its alcohol after placing 24 hours Solve.Water, dehydrated alcohol, the ratio (mass ratio) of silane coupler be: 1:18:1.
Wood powder, pine powder being joined in high-speed mixer, starts blender, be subsequently adding after alcoholysis is silane coupled Agent, Pulvis Talci, it is warmed up to 80 DEG C, makes ethanol fully volatilize, then cool down, prepare activation wood powder.Wood powder, pine Silane coupler and talcous ratio (mass ratio) after wood powder, alcoholysis are 10:40:1:2.
The consumption of silane coupler be wood powder, the 2% of pine powder consumption, it is possible to obtain preferably activation effect.
Add appropriate Pulvis Talci as stabilizer, because the mgo surface in Pulvis Talci can be tied with organic compound Close, can effectively eliminate harmful precipitate.Meanwhile, add Pulvis Talci to improve the hot strength of material and bend strong Degree, can play again the effect of foaming nucleation agent.
Second step: raw material is blended:
By PA66, activation wood powder, acrylic acid esters co-polymer ACR, maleic anhydride inoculated polypropylene, antioxidant 1010, Irgasfos 168 joins in high-speed mixer, is sufficiently mixed uniformly, and incorporation time is 2-3 minute.PA66 used, Activation wood powder, acrylic acid esters co-polymer ACR, maleic anhydride inoculated polypropylene, silicone masterbatch, antioxidant 1010, The ratio (mass ratio) of irgasfos 168: 60-80:18-24:3-5:3-5:3-5:0.3-0.6:0.3-0.6.
3rd step: melt blending extrusion, pelletizing:
The material mixed by second step is drained in double-screw extruding pelletizing machine, melt extrudes, pelletize, i.e. obtains this Invention product one height flowing easily processing nylon66 fiber wood plastic composite.The operating temperature of extruder is: a district 240 ± 5 DEG C, two 250 ± 5 DEG C of districts, three 260 ± 5 DEG C of districts, four 285 ± 5 DEG C of districts, five 270 ± 5 DEG C of districts.
Main raw material(s) explanation used by the present invention:
Silane coupler: model, KH550, outward appearance is colourless transparent liquid, and activator is commercially available；
Dehydrated alcohol: colourless transparent liquid, commercially available；
Wood powder: 120 mesh, import wood powder；
Pine powder: 120 mesh, import pine powder；
Pulvis Talci: 3500 mesh, white powder；
Nylon66 fiber (PA66): polyhexamethylene adipamide, translucent or creamy white crystals resin particle；
Acrylic acid esters co-polymer ACR: increase flux；
Maleic anhydride inoculated polypropylene (PP-g-MAH): transparence particulate resin, percent grafting 0.8%, bulking agent, the place of production: Shanghai；
Silicone masterbatch: lubricant, translucent particle, model, GM-50, manufacturer, middle blue morning twilight.
Antioxidant 1010: white crystalline powder；
Irgasfos 168: white crystalline powder, auxiliary antioxidant, phosphite antioxidant.
Compared with prior art, the invention have the benefit that
1, patent of the present invention uses pine powder, containing a certain amount of fatty acid cpds in pine powder, at extrusion In serve the effect of similar lubricant, thus solve Traditional Wood moulding material processing difficulties, mobility is low, outside product See the shortcomings such as bad.
2, use activation wood powder, improve the compatibility of wood powder and nylon66 fiber.
3, the processing flowability improving composite is had actively by increase flux and the interface modifier of wood plastic composite Effect.The present invention uses acrylic acid esters co-polymer ACR, maleic anhydride inoculated polypropylene to melt as the increasing of composite Agent, is also the in-lubricant that composite is good simultaneously, plays lubrication between Plant fiber and polymer.
4, product of the present invention is higher than nylon 66 material in performance, but cost is lower by 30% than nylon66 fiber.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is further detailed explanation
A kind of high flowing easily processing nylon66 fiber wood plastic composite and preparation method thereof, comprises the following steps:
The first step: wood powder processes
First wood powder, pine powder are sieved, be dried, baking temperature 105 DEG C, 12 hours drying times.
Silane coupler processes: take 1Kg water, 18Kg dehydrated alcohol, 1Kg silane coupler join in container, stir Mix uniformly, after placing 24 hours, make its alcoholysis.
Take 10Kg wood powder, 40Kg pine powder joins in high-speed mixer, starts blender, is subsequently adding 1Kg alcohol Silane coupler after solution, 2Kg Pulvis Talci, it is warmed up to 80 DEG C, makes ethanol fully volatilize, then cool down, prepare Activation wood powder.
The consumption of silane coupler be wood powder, the 2% of pine powder consumption, it is possible to obtain preferably activation effect.
Add appropriate Pulvis Talci as stabilizer, because the mgo surface in Pulvis Talci can be tied with organic compound Close, can effectively eliminate harmful precipitate.Meanwhile, add Pulvis Talci to improve the hot strength of material and bend strong Degree, can play again the effect of foaming nucleation agent.
Second step: raw material is blended:
Take 60-80KgPA66,18-24Kg and activate wood powder, 3-5Kg acrylic acid esters co-polymer ACR, 3-5Kg Malaysia Anhydride-grafted polypropylene, 3-5Kg silicone masterbatch, 0.3-0.6Kg antioxidant 1010,0.3-0.6Kg irgasfos 168 Joining in high-speed mixer, be sufficiently mixed uniformly, incorporation time is 2-3 minute.
3rd step: melt blending extrusion, pelletizing:
The material mixed by second step is drained in double-screw extruding pelletizing machine, melt extrudes, pelletize, i.e. obtains this Invention product: a kind of high flowing easily processing nylon66 fiber wood plastic composite.The operating temperature of extruder is: a district 240 ± 5 DEG C, two 250 ± 5 DEG C of districts, three 260 ± 5 DEG C of districts, four 285 ± 5 DEG C of districts, five 270 ± 5 DEG C of districts.
Embodiment 1: a kind of high flowing easily processing nylon66 fiber wood plastic composite and preparation method thereof, this preparation method Comprise the following steps successively:
A kind of high flowing easily processing nylon66 fiber wood plastic composite and preparation method thereof, comprises the following steps:
The first step: wood powder processes
First wood powder, pine powder are sieved, be dried, baking temperature 105 DEG C, 12 hours drying times.
Silane coupler processes: take 1Kg water, 18Kg dehydrated alcohol, 1Kg silane coupler join in container, stir Mix uniformly, after placing 24 hours, make its alcoholysis.
Take 10Kg wood powder, 40Kg pine powder joins in high-speed mixer, starts blender, is subsequently adding 1Kg alcohol Silane coupler after solution, 2Kg Pulvis Talci, when temperature rises to 80 DEG C, make ethanol fully volatilize, then cool down, Prepare activation wood powder.
The consumption of silane coupler be wood powder, the 2% of pine powder consumption, it is possible to obtain preferably activation effect.
Add appropriate Pulvis Talci as stabilizer, because the mgo surface in Pulvis Talci can be tied with organic compound Close, can effectively eliminate harmful precipitate.Meanwhile, add Pulvis Talci to improve the hot strength of material and bend strong Degree, can play again the effect of foaming nucleation agent.
Second step: raw material is blended:
Take 60KgPA66,18Kg activation wood powder, the grafting of 3Kg acrylic acid esters co-polymer ACR, 3Kg maleic anhydride gathers Propylene, 3Kg silicone masterbatch, 0.3Kg antioxidant 1010,0.3Kg irgasfos 168 join in high-speed mixer, Being sufficiently mixed uniformly, incorporation time is 2-3 minute.
3rd step: melt blending extrusion, pelletizing:
The material mixed by second step is drained in double-screw extruding pelletizing machine, melt extrudes, pelletize, i.e. obtains this Invention product: a kind of high flowing easily processing nylon66 fiber wood plastic composite.The operating temperature of extruder is: a district 240 ± 5 DEG C, two 250 ± 5 DEG C of districts, three 260 ± 5 DEG C of districts, four 285 ± 5 DEG C of districts, five 270 ± 5 DEG C of districts.
The effect data of the present embodiment:
1, hot strength, 81.9MPa；2, bending strength, 114MPa；3, stretch modulus, 5.35GPa；4, bending die Amount, 5.50GPa；5, notch impact strength, 24J m-1；6, unnotched impact strength, 246J m-1。
Embodiment 2:
With embodiment 1, asynchronous:
Second step: raw material is blended:
Take 80KgPA66,24Kg activation wood powder, the grafting of 5Kg acrylic acid esters co-polymer ACR, 5Kg maleic anhydride gathers Propylene, 5Kg silicone masterbatch, 0.6Kg antioxidant 1010,0.6Kg antioxidant.
The effect data of the present embodiment:
1, hot strength, 86.7MPa；2, bending strength, 120MPa；3, stretch modulus, 5.75GPa；4, bending die Amount, 5.90GPa；5, notch impact strength, 25J m-1；6, unnotched impact strength, 318J m-1。
Embodiment 3:
With embodiment 1, except for the difference that:
Second step: raw material is blended:
Take 70KgPA66,21Kg activation wood powder, the grafting of 4Kg acrylic acid esters co-polymer ACR, 4Kg maleic anhydride gathers Propylene, 45Kg silicone masterbatch, 0.5Kg antioxidant 1010,0.5Kg irgasfos 168.
The effect data of the present embodiment:
1, hot strength, 84.2MPa；2, bending strength, 116MPa；3, stretch modulus, 5.53GPa；4, bending die Amount, 5.82GPa；5, notch impact strength, 24.6J m-1；6, unnotched impact strength, 276J m-1。

Claims (3)

1. a preparation method for nylon66 fiber wood plastic composite is easily processed in high flowing, comprises the following steps:
The first step: wood powder processes
First wood powder and pine powder are sieved, be dried, baking temperature 105 DEG C, 12 hours drying times；
Silane coupler processes: first with water, dehydrated alcohol by silane coupled dilution agent, make its alcohol after placing 24 hours Solve；Water, dehydrated alcohol, the mass ratio of silane coupler be: 1:18:1；
Wood powder and pine powder are joined in high-speed mixer, starts high-speed mixer, be subsequently adding the silane after alcoholysis Coupling agent and Pulvis Talci, be warmed up to 80 DEG C, makes ethanol fully volatilize, then cools down, and prepares activation wood powder；Wood powder, Silane coupler and talcous mass ratio after pine powder, alcoholysis are 10:40:1:2；
Second step: raw material is blended:
By PA66, activation wood powder, acrylic acid esters co-polymer ACR, maleic anhydride inoculated polypropylene, silicone masterbatch, Antioxidant 1010, irgasfos 168 join in high-speed mixer, are sufficiently mixed uniformly, and incorporation time is 2-3 minute； PA66 used, activation wood powder, acrylic acid esters co-polymer ACR, maleic anhydride inoculated polypropylene, silicone masterbatch, anti- Oxygen agent 1010, the mass ratio of irgasfos 168: 60-80:18-24:3-5:3-5:3-5:0.3-0.6:0.3-0.6.
3rd step: melt blending extrusion, pelletize:
The material mixed by second step is drained in double-screw extruding pelletizing machine, melt extrudes, pelletize, i.e. obtains height Flowing easily processing nylon66 fiber wood plastic composite.
Preparation method the most according to claim 1, is characterized in that: the work of double-screw extruding pelletizing machine described in the 3rd step Temperature is: 240 ± 5 DEG C of a district, two 250 ± 5 DEG C of districts, three 260 ± 5 DEG C of districts, four 285 ± 5 DEG C of districts, five districts 270 ±5℃。
3. the high flowing easily processing nylon66 fiber wood plastic composite prepared by method described in claim 1 or 2.
CN201610388189.5A 2016-06-02 2016-06-02 High-flowability easy-to-process nylon 66 wood-plastic composite and preparation method Pending CN105968803A (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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Publication number Priority date Publication date Assignee Title
CN107216647A (en) * 2017-07-18 2017-09-29 芜湖扬展新材料科技服务有限公司 A kind of preparation method of polyamide compoiste material
US10836908B2 (en) 2018-02-01 2020-11-17 Dow Silicones Corporation Composition, polymer composite article formed therewith, and method of preparing same
CN113004686A (en) * 2021-03-05 2021-06-22 横琴桦硕环保科技有限公司 Nylon biomass composite material and preparation method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107216647A (en) * 2017-07-18 2017-09-29 芜湖扬展新材料科技服务有限公司 A kind of preparation method of polyamide compoiste material
US10836908B2 (en) 2018-02-01 2020-11-17 Dow Silicones Corporation Composition, polymer composite article formed therewith, and method of preparing same
US11208557B2 (en) 2018-02-01 2021-12-28 Dow Silicones Corporation Composition, polymer composite article formed therewith, and method of preparing same
US11884821B2 (en) 2018-02-01 2024-01-30 Dow Silicones Corporation Composition, polymer composite article formed therewith, and method of preparing same
US12060488B2 (en) 2018-02-01 2024-08-13 Dow Silicones Corporation Composition, polymer composite article formed therewith, and method of preparing same
CN113004686A (en) * 2021-03-05 2021-06-22 横琴桦硕环保科技有限公司 Nylon biomass composite material and preparation method thereof

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Application publication date: 20160928