CN108485304A - A kind of preparation method of the plastic-wood section based on waste and old circuit board toner - Google Patents
A kind of preparation method of the plastic-wood section based on waste and old circuit board toner Download PDFInfo
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- CN108485304A CN108485304A CN201810383877.1A CN201810383877A CN108485304A CN 108485304 A CN108485304 A CN 108485304A CN 201810383877 A CN201810383877 A CN 201810383877A CN 108485304 A CN108485304 A CN 108485304A
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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
- C08L101/00—Compositions of unspecified macromolecular compounds
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- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- 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
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- Chemical Kinetics & Catalysis (AREA)
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- Dry Formation Of Fiberboard And The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a kind of preparation methods of the plastic-wood section based on waste and old circuit board toner, belong to technical field of composite materials.A kind of preparation method of the plastic-wood section based on waste and old circuit board toner, by the way that prepared by the pretreatment of waste and old circuit board toner, the modification of waste and old circuit board toner, premix, proximate matter, surface post-treating and other steps prepare plastic-wood section.The present invention substitutes wood powder completely using waste and old circuit board toner, not only realize the innoxious and recycling of waste and old circuit board toner, alleviation timber resources is in short supply, while the plastic-wood section environmental protection prepared, has excellent water proofing property, mildew resistance and fracture toughness.
Description
Technical field
The present invention relates to technical field of composite materials, more particularly to a kind of modeling wood based on waste and old circuit board toner
The preparation method of proximate matter.
Background technology
Discarded printed circuit boards are one kind of common electronic waste in life, wherein containing copper, gold, silver, palladium etc. more than ten
The emphasis of the kind higher metal of recovery value, researcher's research is also concentrated mainly on rare precious metal in discarded printed circuit boards and has
In the recycling of valence metal, and ignore nonmetallic recycling and reuse problem.Currently, mostly using broken method separation printing electricity
Metal in the plate of road and nonmetallic, mainly recycles metal therein, and the nonmetallic materials in discarded printed circuit boards are as rubbish
Rubbish is lost.This will cause a large amount of wasting of resources and environmental pollution.These wastes are rationally utilized, resource reclaim is realized, is conducive to
Resource, the energy and the sustainable development of society.
Plastic-wood section is a kind of using the biological material of lignocellulosic as primary raw material, is compounded a certain proportion of plastics base
Material, a kind of product forms of extruded machine-shaping can be widely applied to the packaging materials such as pallet, packing case, bed board, paving beam etc.
Storage material, the finishings such as house, floor, building template and ornament materials, outdoor bed board, tables and chairs, stool, the corridor of public place
Equal beautifications of landscape and leisure material, the automobile interior trim materials such as automobile inside decoration materials, tubing.However, the plant of the wood of production modeling at present
Fibres substantially use wood powder, the use of wood powder to need to expend a large amount of timber, cause timber resources in short supply.Meanwhile largely
The use of wood powder so that the water proofing property of proximate matter, mildew resistance, fracture toughness are poor.So finding the alternative materials of new wood powder
It is the necessary ways of the wooden industry development of China's modeling.
Invention content
In order to solve the above technical problems, the present invention provides a kind of preparation based on waste and old circuit board toner plastic-wood section
Method substitutes wood powder using waste and old circuit board toner, not only realizes the innoxious of waste and old circuit board toner completely
And recycling, alleviation timber resources is in short supply, while the plastic-wood section environmental protection prepared, has excellent water proofing property, mildew resistance
And fracture toughness.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of preparation method of the plastic-wood section based on waste and old circuit board toner, includes the following steps：
（1）The pretreatment of waste and old circuit board toner：Waste and old circuit board toner is first passed through into crusher in crushing, is then passed through
Electrostatic separator screening is crossed to collect, it is spare；
（2）The modification of waste and old circuit board toner：It will treated 100 parts of waste and old circuit board toner, anionic surface
1-5 parts of activating agent is placed in advance be warming up in 100-120 DEG C of high speed mixer and is sufficiently mixed 40-50min, then again to height
10-15 parts of coupling agent is added in fast batch mixer, is sufficiently mixed 20-30min, obtains modified waste circuit board resin powder；
（3）Premix：According to mass percent, by modified waste circuit board resin powder 45-50%, regenerated polythene plastics
Grain 25-30%, POE elastomer 5-8%, nano silicon dioxide 5-10%, lubricant 1-3%, compatilizer 3-5%, antioxidant 1-2%, light
Stabilizer 1-2%, is poured into batch mixer, is sufficiently mixed, and composite material premix is obtained；
（4）It is prepared by proximate matter：Composite material premix is added in comminutor, according to preset temperature and technique, is extruded into molten
The lump material of state, wind send cooling, through crusher in crushing at the dry granulation material of softness；Then granulation material is put into extruder
In, it according to preset temperature and technique, is squeezed out through mold with the linear velocity of 800-1000mm/min, is cooled and shaped, is based on
The plastic-wood section of waste and old circuit board toner；
（5）Surface post-processes：By step（4）The surface of plastic-wood section of the gained based on waste and old circuit board toner is beaten
At least one of mill, wire drawing, embossing post-process.
Further technical solution, the step（1）In crusher use four row's paddle type mill blades；
After the electrostatic separator screening, the grain size of waste and old circuit board toner is 120-150 mesh.
Further technical solution, the step（2）Middle anion surfactant is sulphosuccinates class surface
Activating agent.
Further technical solution, the step（2）Middle coupling agent is γ-(the third oxygen of 2,3- epoxies) propyl trimethoxy
Silane is 4 according to mass ratio with monoalkoxy unsaturated fatty acid metatitanic acid fat：1 mixture.
Further technical solution, the step（2）High speed batch mixer rotating speed is 400-500r/min.
Further technical solution, the step（3）Middle lubricant is that one or more of stearic acid, stearate are mixed
Close object；
The compatilizer is one or two kinds of mixtures in maleic anhydride grafted polyethylene, maleic anhydride grafting POE；
The antioxidant is one or more of mixtures in antioxidant 1010, antioxidant 264, antioxidant BHT；The light stabilizer
For one or more of mixtures in light stabilizer AM-101, light stabilizer GW-540, ultraviolet absorbent uv-326.
Further technical solution, the step（3）Middle batch mixer rotating speed be 100 ~ 120r/min, incorporation time be 15 ~
20min。
Further technical solution, the step（4）In comminutor be parallel double-screw comminutor；Each area's temperature is：
One area is 130 ~ 150 DEG C, 2nd area are 150 ~ 170 DEG C, 3rd area are 170 ~ 190 DEG C, 4th area are 180 ~ 200 DEG C, 5th area are 160 ~ 190
DEG C, 6th area be 160 ~ 180 DEG C, 7th area be 130-150 DEG C, 8th area are 100-120 DEG C, engine speed be 400 ~ 450r/min, feed
Material rotating speed is 20 ~ 30r/min.
Further technical solution, the step（4）In extruder be conical double screw extruder, barrel temperature is：
One area is 180 ~ 200 DEG C, 2nd area are 180 ~ 190 DEG C, 3rd area are 140 ~ 160 DEG C, 4th area are 130 ~ 150 DEG C, and merging core temperature is
120 ~ 150 DEG C, die head temperature is 130 ~ 150 DEG C, and engine speed is 15 ~ 30r/min, and feeding rotating speed is 15 ~ 30r/min.
Further technical solution, the step（4）In cooling and shaping be using circulating cooling sink spray it is cold
But it shapes.
Advantageous effect
The present invention compared to existing technologies, has following advantage：
（1）Wood powder is substituted using waste and old circuit board toner completely in the present invention, not only realizes waste and old circuit board resin-oatmeal
Last innoxious and recycling, alleviation timber resources is in short supply, while the plastic-wood section environmental protection prepared, and prevents with excellent
Aqueous, mildew resistance and fracture toughness.
（2）Waste and old circuit board toner is stablized by broken and electrostatic separation, particle diameter distribution uniformity in the present invention
Property is good；Anion surfactant has stronger infiltration, suction-operated, so that waste and old circuit board the tree powder body is modified abundant, increases
Its strong dispersibility and bond strength in matrix plastic, while also functioning to the effect of fungus and mildew resistance；The silane coupling agent of compounding
It can be coated on waste and old circuit board toner surface completely, the filling proportion of toner both can be improved, also can effectively prevent
Minimal residue heavy metal is precipitated in toner, and product safety, the specification of preparation meet requirement.
（3）POE elastomers and nano silicon dioxide are added in the present invention, the compatible of toner and resin matrix can be improved
Property, the overall flexibility of Wood plastic composite is improved, ensures rate of extrusion and quality, and material can be efficiently reduced and squeeze out drum
Phenomena such as bubble, bulge, crackle, tearing, keeps product appearance and performance obtained more preferable.
Specific implementation mode
With reference to embodiment, the present invention is described in further detail.
Embodiment 1
A kind of preparation method of the plastic-wood section based on waste and old circuit board toner, includes the following steps：
（1）The pretreatment of waste and old circuit board toner：Waste and old circuit board toner is first passed through into crusher in crushing, is then passed through
It crosses electrostatic separator screening to collect, spare, powder diameter is 120-150 mesh.
（2）The modification of waste and old circuit board toner：100 parts of waste and old circuit board toner, succinate sulphur will be collected
1 part of sour sodium is placed in 100 DEG C of high-speed mixers, mixing velocity 400r/min, mixes 40min, and γ-(2,3- rings are then added
The third oxygen of oxygen) propyl trimethoxy silicane and monoalkoxy unsaturated fatty acid carbonic ether mass ratio be 4：1 12 parts of mixture mixes
Close 20min.
（3）Premix：According to mass percent, by modified waste circuit board resin powder 50%, regenerated polythene plastics
Particle 25%, POE elastomers 8%, nano silicon dioxide 10%, stearate 2%, maleic anhydride grafted polyethylene 3%, antioxidant
1010 1%, light stabilizer AM-101 1% is poured into batch mixer, and batch mixer rotating speed is 100r/min, incorporation time 20min.
（4）It is prepared by proximate matter：By step（3）Gained mixture is added in comminutor, according to preset temperature：One area is 130
DEG C, 2nd area be 150 DEG C, 3rd area are 170 DEG C, 4th area are 185 DEG C, 5th area are 170 DEG C, 6th area are 160 DEG C, 7th area are 130 DEG C, eight
Area is 100 DEG C and engine speed is that 400r/min is extruded into the bulk of molten condition under conditions of feeding rotating speed is 25r/min
Material, wind send cooling, become soft dry granulation material through crusher in crushing.Then granulation material is added in extruder, is pressed
According to preset temperature：One area is 190 DEG C, 2nd area are 185 DEG C, 3rd area are 140 DEG C, 4th area are 135 DEG C, and merging core temperature is 130
DEG C, die head temperature is 140 DEG C and engine speed is 15r/min, and feeding rotating speed is 18r/min, the item of linear velocity 800mm/min
It under part, is squeezed out through mold, spraying cooling molding is carried out using circulating cooling sink, is obtained based on waste and old circuit board toner
Plastic-wood section；
（5）Surface post-processes：By step（4）The surface of gained plastic-wood section is embossed post-processing.
Embodiment 2
A kind of preparation method of the plastic-wood section based on waste and old circuit board toner, includes the following steps：
（1）The pretreatment of waste and old circuit board toner：Waste and old circuit board toner is first passed through into crusher in crushing, is then passed through
It crosses electrostatic separator screening to collect, spare, powder diameter is 120-150 mesh.
（2）The modification of waste and old circuit board toner：By 100 parts of the waste and old circuit board toner of collection, succinic acid two
3 parts of dioctyl sodium sulfosuccinate is placed in 110 DEG C of high-speed mixers, mixing velocity 500r/min, mixes 45min, and γ-is then added
(the third oxygen of 2,3- epoxies) propyl trimethoxy silicane is 4 with monoalkoxy unsaturated fatty acid carbonic ether mass ratio：1 mixture
10 parts, mix 30min.
（3）Premix：By modified waste circuit board resin powder 45%, regenerated polythene plastic grain 27%, POE elasticity
Body 8%, nano silicon dioxide 8%, stearic acid 3%, maleic anhydride grafted polyethylene 5%, antioxidant 264 2%, light stabilizer GW-540
2% pours into batch mixer, and batch mixer rotating speed is 120r/min, incorporation time 15min.
（4）It is prepared by proximate matter：By step（3）Gained mixture is added in comminutor, according to preset temperature：One area is 140
DEG C, 2nd area be 160 DEG C, 3rd area are 175 DEG C, 4th area are 190 DEG C, 5th area are 175 DEG C, 6th area are 165 DEG C, 7th area are 135 DEG C, eight
Area is 110 DEG C and engine speed is that 450r/min is extruded into the bulk of molten condition under conditions of feeding rotating speed is 30r/min
Material, wind send cooling, become soft dry granulation material through crusher in crushing.Then granulation material is added in extruder, according to
Preset temperature：One area is 195 DEG C, 2nd area are 180 DEG C, 3rd area are 150 DEG C, 4th area are 140 DEG C, and merging core temperature is 135 DEG C,
Die head temperature is 130 DEG C and engine speed is 25r/min, and feeding rotating speed is 28r/min, the condition of linear velocity 1000mm/min
Under, it is squeezed out through mold, spraying cooling molding is carried out using circulating cooling sink, obtains the modeling based on waste and old circuit board toner
Wood section；
（5）Surface post-processes：By step（4）The surface of gained plastic-wood section carries out polishing post-processing.
Embodiment 3
A kind of preparation method of the plastic-wood section based on waste and old circuit board toner, includes the following steps：
（1）The pretreatment of waste and old circuit board toner：Waste and old circuit board toner is first passed through into crusher in crushing, is then passed through
It crosses electrostatic separator screening to collect, spare, powder diameter is 120-150 mesh.
（2）The modification of waste and old circuit board toner：By 100 parts of the waste and old circuit board toner of collection, succinic acid two
5 parts of dioctyl sodium sulfosuccinate is placed in 120 DEG C of high-speed mixers, mixing velocity 480r/min, mixes 50min, and γ-is then added
(the third oxygen of 2,3- epoxies) propyl trimethoxy silicane is 4 with monoalkoxy unsaturated fatty acid carbonic ether mass ratio：1 mixture
15 parts, mix 25min.
（3）Premix：According to mass percent, by modified waste circuit board resin powder 48%, regenerated polythene plastics
Particle 30%, POE elastomers 7%, nano silicon dioxide 5%, stearic acid 3%, maleic anhydride grafting POE 3%, antioxidant 264 2%,
Light stabilizer GW-540 2% is poured into batch mixer, and batch mixer rotating speed is 120r/min, incorporation time 20min.
（4）It is prepared by proximate matter：By step（3）Gained mixture is added in comminutor, according to preset temperature：One area is 135
DEG C, 2nd area be 165 DEG C, 3rd area are 185 DEG C, 4th area are 195 DEG C, 5th area are 185 DEG C, 6th area are 170 DEG C, 7th area are 140 DEG C, eight
Area is 120 DEG C and engine speed is that 450r/min is extruded into the bulk of molten condition under conditions of feeding rotating speed is 28r/min
Material, wind send cooling, become soft dry granulation material through crusher in crushing.Then granulation material is added in extruder, is pressed
According to preset temperature：One area is 200 DEG C, 2nd area are 190 DEG C, 3rd area are 160 DEG C, 4th area are 150 DEG C, and merging core temperature is 140
DEG C, die head temperature is 135 DEG C and engine speed is 20r/min, and feeding rotating speed is 22r/min, the item of linear velocity 900mm/min
It under part, is squeezed out through mold, spraying cooling molding is carried out using circulating cooling sink, is obtained based on waste and old circuit board toner
Plastic-wood section；
（5）Surface post-processes：By step（4）The surface of gained plastic-wood section is embossed and polishes post-processing.
Bending property, impact property, suction have been carried out to the plastic-wood section product in above-described embodiment according to GB/T 29418-2012
The performance test of water rate, anti-fungal has also carried out hazardous substances（SVHC-181）Test, test result are as shown in table 1.
Plastic-wood section properties of product in 1 embodiment of the present invention of table
| Serial number | Project | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| 1 | It is bent maximum load/N | 5082 | 5368 | 5847 |
| 2 | Bending strength/MPa | 33 | 35 | 38 |
| 3 | Bending modulus/MPa | 3900 | 3900 | 4000 |
| 4 | Room temperature ball falling impact/mm | 4 | 3 | 2 |
| 5 | Water absorption rate/% | 0.5 | 0.4 | 0.5 |
| 6 | Resistance to fungi corrosion | 0 grade | 0 grade | 0 grade |
| 7 | SVHC-181 | Pass through | Pass through | Pass through |
As can be seen from the above table, the plastic-wood section in the present invention has extraordinary bending property, impact property and resistance to fungi rotten
Corrosion energy, and passed through hazardous substances limit detection, reach environmentally friendly requirement.
Claims (10)
1. a kind of preparation method of the plastic-wood section based on waste and old circuit board toner, it is characterised in that：Include the following steps：
（1）The pretreatment of waste and old circuit board toner：Waste and old circuit board toner is first passed through into crusher in crushing, is then passed through
Electrostatic separator screening is crossed to collect, it is spare；
（2）The modification of waste and old circuit board toner：It will treated 100 parts of waste and old circuit board toner, anionic surface
1-5 parts of activating agent is placed in advance be warming up in 100-120 DEG C of high speed mixer and is sufficiently mixed 40-50min, then again to height
10-15 parts of coupling agent is added in fast batch mixer, is sufficiently mixed 20-30min, obtains modified waste circuit board resin powder；
（3）Premix：According to mass percent, by modified waste circuit board resin powder 45-50%, regenerated polythene plastics
Grain 25-30%, POE elastomer 5-8%, nano silicon dioxide 5-10%, lubricant 1-3%, compatilizer 3-5%, antioxidant 1-2%, light
Stabilizer 1-2%, is poured into batch mixer, is sufficiently mixed, and composite material premix is obtained；
（4）It is prepared by proximate matter：Composite material premix is added in comminutor, according to preset temperature and technique, is extruded into molten
The lump material of state, wind send cooling, through crusher in crushing at the dry granulation material of softness；Then granulation material is put into extruder
In, it according to preset temperature and technique, is squeezed out through mold with the linear velocity of 800-1000mm/min, is cooled and shaped, is based on
The plastic-wood section of waste and old circuit board toner；
（5）Surface post-processes：By step（4）The surface of plastic-wood section of the gained based on waste and old circuit board toner is beaten
At least one of mill, wire drawing, embossing post-process.
2. the preparation method of the plastic-wood section according to claim 1 based on waste and old circuit board toner, feature exist
In：The step（1）In crusher use four row's paddle type mill blades；
After the electrostatic separator screening, the grain size of waste and old circuit board toner is 120-150 mesh.
3. the preparation method of the plastic-wood section according to claim 1 based on waste and old circuit board toner, feature exist
In：The step（2）Middle anion surfactant is sulphosuccinates class surfactant.
4. the preparation method of the plastic-wood section according to claim 1 based on waste and old circuit board toner, feature exist
In：The step（2）Middle coupling agent is γ-(the third oxygen of 2,3- epoxies) propyl trimethoxy silicanes and monoalkoxy unsaturated lipid
Fat acid metatitanic acid fat is 4 according to mass ratio：1 mixture.
5. the preparation method of the plastic-wood section according to claim 1 based on waste and old circuit board toner, feature exist
In：The step（2）High speed batch mixer rotating speed is 400-500r/min.
6. the preparation method of the plastic-wood section according to claim 1 based on waste and old circuit board toner, feature exist
In：The step（3）Middle lubricant is one or more of stearic acid, stearate mixture；
The compatilizer is one or two kinds of mixtures in maleic anhydride grafted polyethylene, maleic anhydride grafting POE；
The antioxidant is one or more of mixtures in antioxidant 1010, antioxidant 264, antioxidant BHT；The light stabilizer
For one or more of mixtures in light stabilizer AM-101, light stabilizer GW-540, ultraviolet absorbent uv-326.
7. the preparation method of the plastic-wood section according to claim 1 based on waste and old circuit board toner, feature exist
In：The step（3）Middle batch mixer rotating speed is 100 ~ 120r/min, and incorporation time is 15 ~ 20min.
8. the preparation method of the plastic-wood section according to claim 1 based on waste and old circuit board toner, feature exist
In：The step（4）In comminutor be parallel double-screw comminutor；Each area's temperature is：One area is 130 ~ 150 DEG C, 2nd area are
150 ~ 170 DEG C, 3rd area be 170 ~ 190 DEG C, 4th area are 180 ~ 200 DEG C, 5th area are 160 ~ 190 DEG C, 6th area are 160 ~ 180 DEG C, seven
Area is 130-150 DEG C, 8th area are 100-120 DEG C, and engine speed is 400 ~ 450r/min, and feeding rotating speed is 20 ~ 30r/min.
9. the preparation method of the plastic-wood section based on waste and old circuit board toner according to claim 1 or 8, feature
It is：The step（4）In extruder be conical double screw extruder, barrel temperature is：One area is 180 ~ 200 DEG C, 2nd area
For 180 ~ 190 DEG C, 3rd area be 140 ~ 160 DEG C, 4th area are 130 ~ 150 DEG C, and merging core temperature is 120 ~ 150 DEG C, and die head temperature is
130 ~ 150 DEG C, engine speed is 15 ~ 30r/min, and feeding rotating speed is 15 ~ 30r/min.
10. the preparation method of the plastic-wood section based on waste and old circuit board toner according to claim 1 or 8 or 9,
It is characterized in that：The step（4）In cooling and shaping be using circulating cooling sink carry out spraying cooling sizing.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113619144A (en) * | 2021-08-02 | 2021-11-09 | 清远市东江环保技术有限公司 | Method for preparing product from composite material |
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