CN106810802A - A kind of preparation method for regenerating weather-proof composite engineering plastics - Google Patents
A kind of preparation method for regenerating weather-proof composite engineering plastics Download PDFInfo
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Abstract
The invention discloses a kind of preparation method for regenerating weather-proof composite engineering plastics, using the plastic reclaimed fiber of recycling engineering, acrylic resin and chopped glass fiber, enhancing composite resin material is made as major ingredient, possess the rigidity and intensity of traditional glass-fibre reinforced resin composite, preferable toughness and resistance against compression energy are obtained again, and reduce cost；The anti-aging materials such as fire proofing and wollastonite raphioid fiber such as Graphene, titanium dioxide, halloysite nanotubes in modified aging-resistant flame-proof system, form compound cooperative effect, one kind is made with the melting of modified recycling engineering plastic blend to be dispersed in inside engineering plastics with microfibril form, form intensity ageing-resistant fire-retardant regenerated engineering high；Used by the collaboration of the weather resisting agent and antioxidant selected, enhance the weather resistance of engineering plastics；Present invention, avoiding resource waste and pollution, preparation process is simple, production efficiency is high, product quality final products obtained therefrom excellent in mechanical performance higher, and low toxic and environment-friendly.
Description
Technical field
The present invention relates to engineering plastics technical field, more particularly to a kind of preparation side for regenerating weather-proof composite engineering plastics
Method.
Background technology
Engineering plastics have excellent combination property, and rigidity is big, and creep is small, high mechanical strength, heat-resist, electrical insulating property
It is good, can for a long time be used in harsher chemistry, physical environment, alternative metal is used as structural timber.
Engineering plastics are " white caused by plastic refuse increases severely while people's life and social development is met
Color pollutes " society that causes and environmental problem it is also increasingly serious, " white pollution " that useless engineering plastics trigger starts to allow people's head
Bitterly, the Undec engineering plastics of without putrefaction cannot be reclaimed effectively.The social and ring that engineering plastics discarded object increases severely and thus causes
In face of people, pendulum is in the place of whole world people life existence for border problem pendulum.
Regenerated engineering is to solve the effective way of pollution that engineering plastics bring, but regenerated engineering plastics are present
Low intensity, the shortcomings of immalleable, glossiness is low, thermo-oxidative stability is poor, further, since on the macromolecular chain of regenerated engineering
Have tertiary carbon atom, during storage, processing and routine use, can be heated, the effect such as light and oxygen and easily there is degradation with aging,
Weatherability extreme difference, has a strong impact on the life-span of product so that the scope and field recycled to it have certain restriction effect.Even if
It is that current more advanced its impurity degree of sorting is above 5%, the presence influence of impurity recycles compatibility during plastics, can drop
The mechanical property of low recycled plastic.
Fiberglass reinforced acrylic resin is the composite organic-inorganic material of a quasi-tradition.It is via acrylic resin and
Weather resisting agent is made after combination process and heat cure, and with light weight, specific strength is high, electrical insulating property is good, corrosion-resistant, heat resistance
Excellent the features such as, it is widely used to science and techniques of defence, space flight and aviation, shipbuilding, chemical industry, building, communications and transportation and intelligence electricity
The fields such as automation.Although glass has played outstanding enhancing effect in acrylic resin, because glass belongs in itself
The extremely strong material of rigidity, often causes the shock resistance and toughness of acrylic resin not enough, can also cause its compressive strength
Loss, particularly with the more contour structures the part with complicated structure of stress concentration point, this defect especially protrude, so as to limit this
The application of class material.
The content of the invention
The invention provides a kind of preparation method for regenerating weather-proof composite engineering plastics, existing regenerated engineering is solved
Above-mentioned deficiency, plastics mechanical property obtained in the weather-proof composite engineering plastics of regeneration that obtain of the present invention is good, has excellent weather resistance.
In order to solve the above technical problems, the invention provides a kind of preparation method for regenerating weather-proof composite engineering plastics, bag
Include following steps：
（1）Prepare the plastic reclaimed fiber of recycling engineering
Waste and old engineering plastics raw material is carried out into break process；Washed using detergent, subsequent clear water rinsing；Using electromagnetism
Tramp iron separator is carried out except iron treatment；Then melt spinning prepares the plastic reclaimed fiber of recycling engineering；
The plastic reclaimed fiber of recycling engineering includes one or more in following components：Polypropylene (PP), high-density polyethylene
Alkene (HDPE), polyethylene terephthalate (PET), polyvinyl formal (PVA), polyimides, polyamide (PA)；
（2）Prepare enhancing composite resin material
Using the plastic reclaimed fiber of above-mentioned recycling engineering, acrylic resin and chopped glass fiber, enhancing composite resin material is made, it is standby
With；
（3）According to following weight portion dispensing：
65-76 parts of composite resin material of enhancing
Modified 5-7 parts of aging-resistant flame-proof system
Weather resisting agent 3-5 parts
Toughener 1-3 parts
Antioxidant 1-1.5 parts
Brightener 0.5-1.5 parts；
At least include kaolin, halloysite nanotubes, Graphene, titanium dioxide and silicon in wherein described modified aging-resistant flame-proof system
Lime stone raphioid fiber；
（4）By in dispensing addition batch mixer, batch mixer mixes 10-20min with the speed of 500-700r/min；Twin-screw
Extrusion mixing is plastified, homogenizing, and the technological parameter of double screw extruder is：Screw slenderness ratio is 40: 1, the area of double screw extruder one
195-205 DEG C of temperature, two 210-220 DEG C of area's temperature, three 230-235 DEG C of area's temperature, four area's temperature to nine area temperature 235-245
DEG C, 235-245 DEG C of head temperature；
Water cooling bracing, cooling and shaping is carried out by the plastic strip after extrusion by water-cooling groove；
Air-cooled drying, the plastic strip after water-cooled is by air cooling equipment, the moisture drying that will adhere on plastic strip；
Traction pelletizing, granular by being cut into the plastic strip feeding blank after drying, the rotating speed of pelleter is 600-800r/min, is obtained
To the weather-proof composite engineering plastics of regeneration.
Preferably, the step（2）In, specifically include following steps：
Recycled plastic regenerated fiber is sheared to the chopped strand of 2-5mm, then, it is ground using star-like ball mill
50-80min, but the fiber after grinding is carried out into cleaning 3-5 times with clear water, and dried 12 hours in 80 DEG C of baking oven；
Above-mentioned ground, cleaning and dried chopped regenerated fiber are added to the acrylic acid for being preheated to 60-75 DEG C by proportioning
In resin, through mechanical agitation after, be cooled to room temperature；Then 20-30min is stirred for by curing agent and curing accelerator is added again,
Obtain homogeneous suspended nitride；
Above-mentioned epoxy suspended nitride and chopped glass fiber are combined by proportioning set in advance, and by after heat cure, being strengthened
Composite resin material.
Preferably, in the enhancing composite resin material, the percent mass proportioning of each component is as follows：Recycled plastic regenerates
Fiber 45-55%, chopped glass fiber 10-15%, curing agent 2-4%, curing accelerator 0.5-1.5%, balance of acrylic resin.
Preferably, the curing agent is aliphatic, aromatic polyvalent amine or acid anhydride type curing agent, the curing accelerator
It is 2-ethyl-4-methylimidazole, 2- ethyl imidazol(e)s, 2- phenylimidazoles or 2 isopropyl imidazole.
Preferably, the modified aging-resistant flame-proof system is prepared from by the following method：
1-3 parts of nano kaoline is taken by mass fraction, 2-4 parts of mass fraction is the potassium bicarbonate aqueous solution of 25-35%, 1.2-
1.5 parts of a diameter of 50-100nm of characterization parameter, halloysite nanotubes that length is 5-10 μm, 1.5-1.8 parts of Graphene, 0.5-
0.8 part of titanium dioxide, 0.5-0.7 parts of lauryl amine APEO, 1-1.2 parts of draw ratio is 10-13:1 wollastonite raphioid fiber,
It is well mixed, stirred in 170-190 DEG C of superheated steam reactor, decatize reaction 35-50min, in 450-480 DEG C of vacuum microwave
Radiation 3-5h, is then dipped in the sulfamic acid solution vacuum moisture absorption treatment that 90-110 part mass fraction is 35%, is heated after inhaling thoroughly
To 75-85 DEG C of ultrasonic wave dispersion 1-2.5h, it is stirred for disperseing 3-5h, takes suspension；
By mass fraction by 3-5 parts of suspension microwave plasma etching processing 25-30min of above-mentioned acquisition, matter is contained with 50-80 parts
The deionized water of amount fraction 3-5% PTPP dispersion liquids ultrasonication 15-30min at 65-75 DEG C, takes upper strata suspension
Thing is filtered through 100-150 mesh, distilled water washes clean, vacuum drying, obtains modified aging-resistant flame-proof system.
Preferably, the weather resisting agent includes light stabilizer and ultra-violet absorber, the light stabilizer and ultraviolet radiation absorption
The mass ratio of agent is 1：（1-3）.
Preferably, the ultra-violet absorber is UVP-327 or ASK-215, and the light stabilizer is carbon black.
Preferably, the brightener uses polyethylene glycol, the plasticizer to be selected from diethyl phthalate, adipic acid two
One or more in pungent fat, SA dibutyl ester.
Preferably, the antioxidant is formed by Hinered phenols antioxidant and phosphite ester kind antioxidant compounding, quality proportioning
It is 1:1.
Preferably, the toughener is ethylene-methyl acrylate-glyceryl methacrylate terpolymer.
One or more technical schemes that the present invention is provided, at least have the following technical effect that or advantage：（1）Using recovery
Engineering plastics regenerated fiber, acrylic resin and chopped glass fiber, are made enhancing composite resin material as major ingredient, that is, possess biography
The rigidity and intensity of system glass-fibre reinforced resin composite, obtain preferable toughness and resistance against compression energy, and reduce again
Cost；（2）Fire proofing and the wollastonite needle-like such as Graphene, titanium dioxide, halloysite nanotubes in modified aging-resistant flame-proof system
The anti-aging materials such as fiber, form compound cooperative effect, and one kind is made with micro- fibril with the melting of modified recycling engineering plastic blend
Dimension form is dispersed in inside engineering plastics, forms intensity ageing-resistant fire-retardant regenerated engineering high；（3）It is weather-proof by what is selected
Agent and the collaboration of antioxidant are used, and enhance the weather resistance of engineering plastics；（4）Resource waste and pollution is avoided, work is prepared
Skill is simple, and production efficiency is high, product quality final products obtained therefrom excellent in mechanical performance higher, and low toxic and environment-friendly.
Specific embodiment
Embodiment one
Waste and old engineering plastics raw material is carried out into break process；Washed using detergent, subsequent clear water rinsing；Using electromagnetism
Tramp iron separator is carried out except iron treatment；Then melt spinning prepares the plastic reclaimed fiber of recycling engineering；The recycling engineering plastics
Regenerated fiber includes polypropylene (PP), high density polyethylene (HDPE) (HDPE), polyamide (PA).
Recycled plastic regenerated fiber is sheared to the chopped strand of 2-5mm, then, it is ground using star-like ball mill
Mill 50min, but the fiber after grinding is carried out into cleaning 3 times with clear water, and dried 12 hours in 80 DEG C of baking oven；Will be above-mentioned
Ground, cleaning and dried chopped regenerated fiber are added to and are preheated in 60 DEG C of acrylic resin by proportioning, through machinery
After stirring, room temperature is cooled to；Then 20min is stirred for by curing agent and curing accelerator is added again, obtains homogeneous hanging
Laitance material；Above-mentioned epoxy suspended nitride and chopped glass fiber are combined by proportioning set in advance, and by after heat cure, being increased
Strong composite resin material.In the enhancing composite resin material, the percent mass proportioning of each component is as follows：Recycled plastic regenerates
Fiber 45%, chopped glass fiber 10%, curing agent 2%, curing accelerator 0.5%, balance of acrylic resin.The curing agent is fat
Race's curing agent, the curing accelerator is 2-ethyl-4-methylimidazole.
According to following weight portion dispensing：
65 parts of composite resin material of enhancing
Modified 5 parts of aging-resistant flame-proof system
3 parts of weather resisting agent
1 part of toughener
1 part of antioxidant
0.5 part of brightener；
At least include kaolin, halloysite nanotubes, Graphene, titanium dioxide and silicon in wherein described modified aging-resistant flame-proof system
Lime stone raphioid fiber.The modified aging-resistant flame-proof system is prepared from by the following method：
1 part of nano kaoline is taken by mass fraction, 2 parts of mass fractions are 25% potassium bicarbonate aqueous solution, 1.2 parts of characterization parameters
A diameter of 50-100nm, length are 5-10 μm of halloysite nanotubes, 1.5 parts of Graphenes, 0.5 part of titanium dioxide, 0.5 part of lauryl amine
APEO, 1 part of draw ratio is 10:1 wollastonite raphioid fiber, is well mixed, and is stirred in 170 DEG C of superheated steam reactors
Mix, decatize reaction 35min, in 450 DEG C of vacuum microwaves radiation 3h, be then dipped in the sulfamic acid that 90 parts of mass fractions are 35% molten
The moisture absorption of liquid vacuum is processed, and 75 DEG C of ultrasonic wave dispersion 1h are heated to after inhaling thoroughly, is stirred for disperseing 3h, takes suspension；By mass fraction
By 3 parts of suspension microwave plasma etching processing 25min of above-mentioned acquisition, divided containing the PTPP of mass fraction 3% with 50 parts
The deionized water of dispersion liquid ultrasonication 15min at 65-75 DEG C, takes upper strata suspension and is filtered through 100 mesh, and distillation water washing is done
Only, vacuum drying, obtains modified aging-resistant flame-proof system.
The weather resisting agent includes the quality of light stabilizer and ultra-violet absorber, the light stabilizer and ultra-violet absorber
Than being 1：1.The ultra-violet absorber is UVP-327, and the light stabilizer is carbon black.The brightener uses polyethylene glycol,
The plasticizer is diethyl phthalate.The antioxidant is compounded by Hinered phenols antioxidant and phosphite ester kind antioxidant
Form, quality proportioning is 1:1.The toughener is ethylene-methyl acrylate-glyceryl methacrylate ternary polymerization
Thing.
By in dispensing addition batch mixer, batch mixer mixes 10min with the speed of 500r/min；Twin-screw extrusion is mixed
Refining is plastified, homogenizing, and the technological parameter of double screw extruder is：Screw slenderness ratio is 40: 1, the area's temperature 195 of double screw extruder one
DEG C, two 210 DEG C of area's temperature, three 230 DEG C of area's temperature, 235 DEG C of four area's temperature to nine area's temperature, 235 DEG C of head temperature.
Water cooling bracing, cooling and shaping is carried out by the plastic strip after extrusion by water-cooling groove；Air-cooled drying, the plastics after water-cooled
Bar is by air cooling equipment, the moisture drying that will adhere on plastic strip；Traction pelletizing, will cut in the plastic strip feeding blank after drying
Granulate, the rotating speed of pelleter is 600r/min, obtains regenerating weather-proof composite engineering plastics.
Embodiment two
Waste and old engineering plastics raw material is carried out into break process；Washed using detergent, subsequent clear water rinsing；Using electromagnetism
Tramp iron separator is carried out except iron treatment；Then melt spinning prepares the plastic reclaimed fiber of recycling engineering；The recycling engineering plastics
Regenerated fiber includes high density polyethylene (HDPE) (HDPE), polyethylene terephthalate (PET), polyvinyl formal (PVA).
Recycled plastic regenerated fiber is sheared to the chopped strand of 2-5mm, then, it is ground using star-like ball mill
Mill 60min, but the fiber after grinding is carried out into cleaning 4 times with clear water, and dried 12 hours in 80 DEG C of baking oven；Will be above-mentioned
Ground, cleaning and dried chopped regenerated fiber are added to and are preheated in 67 DEG C of acrylic resin by proportioning, through machinery
After stirring, room temperature is cooled to；Then 25min is stirred for by curing agent and curing accelerator is added again, obtains homogeneous hanging
Laitance material；Above-mentioned epoxy suspended nitride and chopped glass fiber are combined by proportioning set in advance, and by after heat cure, being increased
Strong composite resin material.In the enhancing composite resin material, the percent mass proportioning of each component is as follows：Recycled plastic regenerates
Fiber 48%, chopped glass fiber 13%, curing agent 3%, curing accelerator 1%, balance of acrylic resin.The curing agent is aromatic series
Polynary amine curing agent, the curing accelerator is 2- ethyl imidazol(e)s.
According to following weight portion dispensing：
69 parts of composite resin material of enhancing
Modified 6 parts of aging-resistant flame-proof system
4 parts of weather resisting agent
2 parts of toughener
1.2 parts of antioxidant
1 part of brightener；
At least include kaolin, halloysite nanotubes, Graphene, titanium dioxide and silicon in wherein described modified aging-resistant flame-proof system
Lime stone raphioid fiber.The modified aging-resistant flame-proof system is prepared from by the following method：
2 parts of nano kaolines are taken by mass fraction, 3 parts of mass fractions are 30% potassium bicarbonate aqueous solution, 1.3 parts of characterization parameters
A diameter of 50-100nm, length are 5-10 μm of halloysite nanotubes, 1.6 parts of Graphenes, 0.7 part of titanium dioxide, 0.6 part of lauryl amine
APEO, 1.1 parts of draw ratios are 12:1 wollastonite raphioid fiber, is well mixed, in 180 DEG C of superheated steam reactors
Stirring, decatize reaction 40min in 460 DEG C of vacuum microwaves radiation 4h, is then dipped in the sulfamic acid that 98 parts of mass fractions are 35%
The moisture absorption of solution vacuum is processed, and 78 DEG C of ultrasonic wave dispersion 2h are heated to after inhaling thoroughly, is stirred for disperseing 4h, takes suspension；By mass parts
Count by 4 parts of suspension microwave plasma etching processing 27min of above-mentioned acquisition, with 60 parts of PTPPs containing mass fraction 4%
The deionized water of dispersion liquid ultrasonication 18min at 70 DEG C, takes upper strata suspension and is filtered through 120 mesh, and distillation water washing is done
Only, vacuum drying, obtains modified aging-resistant flame-proof system.
The weather resisting agent includes the quality of light stabilizer and ultra-violet absorber, the light stabilizer and ultra-violet absorber
Than being 1：2.The ultra-violet absorber is UVP-327, and the light stabilizer is carbon black.The brightener uses polyethylene glycol,
The plasticizer is adipic acid dibutyl ester.The antioxidant is by Hinered phenols antioxidant and phosphite ester kind antioxidant compounding
Into quality proportioning is 1:1.The toughener is ethylene-methyl acrylate-glyceryl methacrylate terpolymer.
By in dispensing addition batch mixer, batch mixer mixes 15min with the speed of 600r/min；Twin-screw extrusion is mixed
Refining is plastified, homogenizing, and the technological parameter of double screw extruder is：Screw slenderness ratio is 40: 1, the area's temperature 200 of double screw extruder one
DEG C, two 215 DEG C of area's temperature, three 235 DEG C of area's temperature, 240 DEG C of four area's temperature to nine area's temperature, 240 DEG C of head temperature.
Water cooling bracing, cooling and shaping is carried out by the plastic strip after extrusion by water-cooling groove；Air-cooled drying, the plastics after water-cooled
Bar is by air cooling equipment, the moisture drying that will adhere on plastic strip；Traction pelletizing, will cut in the plastic strip feeding blank after drying
Granulate, the rotating speed of pelleter is 700r/min, obtains regenerating weather-proof composite engineering plastics.
Embodiment three
Waste and old engineering plastics raw material is carried out into break process；Washed using detergent, subsequent clear water rinsing；Using electromagnetism
Tramp iron separator is carried out except iron treatment；Then melt spinning prepares the plastic reclaimed fiber of recycling engineering；The recycling engineering plastics
Regenerated fiber includes polyvinyl formal (PVA), polyimides, polyamide (PA).
Recycled plastic regenerated fiber is sheared to the chopped strand of 2-5mm, then, it is ground using star-like ball mill
Mill 80min, but the fiber after grinding is carried out into cleaning 5 times with clear water, and dried 12 hours in 80 DEG C of baking oven；Will be above-mentioned
Ground, cleaning and dried chopped regenerated fiber are added to and are preheated in 75 DEG C of acrylic resin by proportioning, through machinery
After stirring, room temperature is cooled to；Then 30min is stirred for by curing agent and curing accelerator is added again, obtains homogeneous hanging
Laitance material；Above-mentioned epoxy suspended nitride and chopped glass fiber are combined by proportioning set in advance, and by after heat cure, being increased
Strong composite resin material.In the enhancing composite resin material, the percent mass proportioning of each component is as follows：Recycled plastic regenerates
Fiber 55%, chopped glass fiber 15%, curing agent 4%, curing accelerator 1.5%, balance of acrylic resin.The curing agent is acid anhydrides
Class curing agent, the curing accelerator is 2 isopropyl imidazole.
According to following weight portion dispensing：
76 parts of composite resin material of enhancing
Modified 7 parts of aging-resistant flame-proof system
5 parts of weather resisting agent
3 parts of toughener
1.5 parts of antioxidant
1.5 parts of brightener；
At least include kaolin, halloysite nanotubes, Graphene, titanium dioxide and silicon in wherein described modified aging-resistant flame-proof system
Lime stone raphioid fiber.The modified aging-resistant flame-proof system is prepared from by the following method：
3 parts of nano kaolines are taken by mass fraction, 4 parts of mass fractions are 35% potassium bicarbonate aqueous solution, 1.5 parts of characterization parameters
A diameter of 50-100nm, length are 5-10 μm of halloysite nanotubes, 1.8 parts of Graphenes, 0.8 part of titanium dioxide, 0.7 part of lauryl amine
APEO, 1.2 parts of draw ratios are 13:1 wollastonite raphioid fiber, is well mixed, in 190 DEG C of superheated steam reactors
Stirring, decatize reaction 50min in 480 DEG C of vacuum microwaves radiation 5h, is then dipped in the amino sulphur that 110 parts of mass fractions are 35%
The moisture absorption of acid solution vacuum is processed, and 85 DEG C of ultrasonic wave dispersion 2.5h are heated to after inhaling thoroughly, is stirred for disperseing 5h, takes suspension；By matter
Number is measured by 5 parts of suspension microwave plasma etching processing 30min of above-mentioned acquisition, with the 50-80 parts of trimerization containing mass fraction 5%
The deionized water of potassium phosphate dispersion liquid ultrasonication 30min at 75 DEG C, takes upper strata suspension and is filtered through 150 mesh, distilled water
Washes clean, vacuum drying obtains modified aging-resistant flame-proof system.
The weather resisting agent includes the quality of light stabilizer and ultra-violet absorber, the light stabilizer and ultra-violet absorber
Than being 1：3.The ultra-violet absorber is ASK-215, and the light stabilizer is carbon black.The brightener uses polyethylene glycol,
The plasticizer is SA dibutyl ester.The antioxidant is by Hinered phenols antioxidant and phosphite ester kind antioxidant compounding
Into quality proportioning is 1:1.The toughener is ethylene-methyl acrylate-glyceryl methacrylate terpolymer.
By in dispensing addition batch mixer, batch mixer mixes 20min with the speed of 700r/min；Twin-screw extrusion is mixed
Refining is plastified, homogenizing, and the technological parameter of double screw extruder is：Screw slenderness ratio is 40: 1, the area's temperature 205 of double screw extruder one
DEG C, two 220 DEG C of area's temperature, three 235 DEG C of area's temperature, 245 DEG C of four area's temperature to nine area's temperature, 245 DEG C of head temperature.
Water cooling bracing, cooling and shaping is carried out by the plastic strip after extrusion by water-cooling groove；Air-cooled drying, the plastics after water-cooled
Bar is by air cooling equipment, the moisture drying that will adhere on plastic strip；Traction pelletizing, will cut in the plastic strip feeding blank after drying
Granulate, the rotating speed of pelleter is 800r/min, obtains regenerating weather-proof composite engineering plastics.
After tested, weather-proof composite engineering plastics are regenerated in each example of the invention to be molded through tabletting machine, performance indications are such as
Under：
| Technical indicator | Testing standard | The test knot of embodiment one Really | The test knot of embodiment two Really | The test result of embodiment three |
| Bending modulus（MPa） | ISO 178 | 435.7 | 426.2 | 431.5 |
| Tensile strength（MPa） | ISO 527 | 252.1 | 247.4 | 243.8 |
| ISO 179 | 14.7 | 13.9 | 15.2 | |
| Vicat softening point（℃） | ISO 306 | 133 | 127 | 132 |
| Weatherability（Color fastness） | Neon lamp accelerated ageing 2000 hours | 5 grades | 5 grades | 5 grades |
As seen from the above table, the product mechanical property that the present invention is obtained is good, has excellent weather resistance, and fire resistance is good.
Embodiment described above only expresses the specific embodiment of the application, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the application protection domain can not be interpreted as.It should be pointed out that the invention is not restricted to embodiment here,
Those skilled in the art's announcement of the invention, does not depart from improvement that scope made and modification all should be in this hair
In bright protection domain.
Claims (10)
1. a kind of preparation method for regenerating weather-proof composite engineering plastics, comprises the following steps：
（1）Prepare the plastic reclaimed fiber of recycling engineering
Waste and old engineering plastics raw material is carried out into break process；Washed using detergent, subsequent clear water rinsing；Using electromagnetism
Tramp iron separator is carried out except iron treatment；Then melt spinning prepares the plastic reclaimed fiber of recycling engineering；
The plastic reclaimed fiber of recycling engineering includes one or more in following components：Polypropylene (PP), high-density polyethylene
Alkene (HDPE), polyethylene terephthalate (PET), polyvinyl formal (PVA), polyimides, polyamide (PA)；
（2）Prepare enhancing composite resin material
Using the plastic reclaimed fiber of above-mentioned recycling engineering, acrylic resin and chopped glass fiber, enhancing composite resin material is made, it is standby
With；
（3）According to following weight portion dispensing：
65-76 parts of composite resin material of enhancing
Modified 5-7 parts of aging-resistant flame-proof system
Weather resisting agent 3-5 parts
Toughener 1-3 parts
Antioxidant 1-1.5 parts
Brightener 0.5-1.5 parts；
At least include kaolin, halloysite nanotubes, Graphene, titanium dioxide and silicon in wherein described modified aging-resistant flame-proof system
Lime stone raphioid fiber；
（4）By in dispensing addition batch mixer, batch mixer mixes 10-20min with the speed of 500-700r/min；Twin-screw
Extrusion mixing is plastified, homogenizing, and the technological parameter of double screw extruder is：Screw slenderness ratio is 40: 1, the area of double screw extruder one
195-205 DEG C of temperature, two 210-220 DEG C of area's temperature, three 230-235 DEG C of area's temperature, four area's temperature to nine area temperature 235-245
DEG C, 235-245 DEG C of head temperature；
Water cooling bracing, cooling and shaping is carried out by the plastic strip after extrusion by water-cooling groove；
Air-cooled drying, the plastic strip after water-cooled is by air cooling equipment, the moisture drying that will adhere on plastic strip；
Traction pelletizing, granular by being cut into the plastic strip feeding blank after drying, the rotating speed of pelleter is 600-800r/min, is obtained
To the weather-proof composite engineering plastics of regeneration.
2. the method for claim 1, it is characterised in that the step（2）In, specifically include following steps：
Recycled plastic regenerated fiber is sheared to the chopped strand of 2-5mm, then, it is ground using star-like ball mill
50-80min, but the fiber after grinding is carried out into cleaning 3-5 times with clear water, and dried 12 hours in 80 DEG C of baking oven；
Above-mentioned ground, cleaning and dried chopped regenerated fiber are added to the acrylic acid for being preheated to 60-75 DEG C by proportioning
In resin, through mechanical agitation after, be cooled to room temperature；Then 20-30min is stirred for by curing agent and curing accelerator is added again,
Obtain homogeneous suspended nitride；
Above-mentioned epoxy suspended nitride and chopped glass fiber are combined by proportioning set in advance, and by after heat cure, being strengthened
Composite resin material.
3. method as claimed in claim 2, it is characterised in that in the enhancing composite resin material, the quality of each component
Per distribution ratio is as follows：Recycled plastic regenerated fiber 45-55%, chopped glass fiber 10-15%, curing agent 2-4%, curing accelerator 0.5-
1.5%, balance of acrylic resin.
4. method as claimed in claim 3, it is characterised in that the curing agent is aliphatic, aromatic polyvalent amine or acid
Anhydride curing agent, the curing accelerator is 2-ethyl-4-methylimidazole, 2- ethyl imidazol(e)s, 2- phenylimidazoles or 2- isopropyls
Imidazoles.
5. the method as described in claim 1-4 is any, it is characterised in that the modified aging-resistant flame-proof system is by the following method
It is prepared from：
1-3 parts of nano kaoline is taken by mass fraction, 2-4 parts of mass fraction is the potassium bicarbonate aqueous solution of 25-35%, 1.2-
1.5 parts of a diameter of 50-100nm of characterization parameter, halloysite nanotubes that length is 5-10 μm, 1.5-1.8 parts of Graphene, 0.5-
0.8 part of titanium dioxide, 0.5-0.7 parts of lauryl amine APEO, 1-1.2 parts of draw ratio is 10-13:1 wollastonite raphioid fiber,
It is well mixed, stirred in 170-190 DEG C of superheated steam reactor, decatize reaction 35-50min, in 450-480 DEG C of vacuum microwave
Radiation 3-5h, is then dipped in the sulfamic acid solution vacuum moisture absorption treatment that 90-110 part mass fraction is 35%, is heated after inhaling thoroughly
To 75-85 DEG C of ultrasonic wave dispersion 1-2.5h, it is stirred for disperseing 3-5h, takes suspension；
By mass fraction by 3-5 parts of suspension microwave plasma etching processing 25-30min of above-mentioned acquisition, matter is contained with 50-80 parts
The deionized water of amount fraction 3-5% PTPP dispersion liquids ultrasonication 15-30min at 65-75 DEG C, takes upper strata suspension
Thing is filtered through 100-150 mesh, distilled water washes clean, vacuum drying, obtains modified aging-resistant flame-proof system.
6. method as claimed in claim 5, it is characterised in that the weather resisting agent includes light stabilizer and ultra-violet absorber,
The mass ratio of the light stabilizer and ultra-violet absorber is 1：（1-3）.
7. method as claimed in claim 6, it is characterised in that the ultra-violet absorber is UVP-327 or ASK-215, institute
Light stabilizer is stated for carbon black.
8. method as claimed in claim 7, it is characterised in that the brightener uses polyethylene glycol, the plasticizer to be selected from
One or more in diethyl phthalate, adipic acid dibutyl ester, SA dibutyl ester.
9. method as claimed in claim 8, it is characterised in that the antioxidant is by Hinered phenols antioxidant and phosphorous acid esters
Antioxidant compounding is formed, and quality proportioning is 1:1.
10. method as claimed in claim 9, it is characterised in that the toughener is ethylene-methyl acrylate-metering system
Acid glycidyl ester terpolymer.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109135095A (en) * | 2018-06-21 | 2019-01-04 | 四川塑金科技有限公司 | A kind of composite regenerated modified environment-friendly flame retardant plastics and preparation method |
| CN110410616A (en) * | 2019-07-10 | 2019-11-05 | 广东安普智信电气有限公司 | A kind of high-strength impact-resistant composite bushing |
| CN111055397A (en) * | 2019-12-10 | 2020-04-24 | 江门市江海区新雄利塑料科技有限公司 | Engineering plastic processing method |
| CN113249814A (en) * | 2021-05-14 | 2021-08-13 | 盐城优和博新材料有限公司 | Production method of ultrahigh-temperature-resistant ultrahigh-strength polyethylene fiber |
| CN116462943A (en) * | 2023-04-28 | 2023-07-21 | 创意玩家(中山)家居有限公司 | Flame-retardant ultraviolet-proof PET film and application thereof on wallboard |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102391622A (en) * | 2011-08-24 | 2012-03-28 | 重庆可倍多塑料有限公司 | Polyethylene terephthalate fiber-adding inflaming retarding material and preparation method thereof |
| CN105835263A (en) * | 2016-04-18 | 2016-08-10 | 苏州吉人高新材料股份有限公司 | Production technology for regeneration plastic particles |
| CN106280007A (en) * | 2016-08-31 | 2017-01-04 | 浙江省现代纺织工业研究院 | A kind of preparation method of ageing-resistant polypropylene flame redardant engineering plastics |
-
2017
- 2017-02-13 CN CN201710076314.3A patent/CN106810802A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102391622A (en) * | 2011-08-24 | 2012-03-28 | 重庆可倍多塑料有限公司 | Polyethylene terephthalate fiber-adding inflaming retarding material and preparation method thereof |
| CN105835263A (en) * | 2016-04-18 | 2016-08-10 | 苏州吉人高新材料股份有限公司 | Production technology for regeneration plastic particles |
| CN106280007A (en) * | 2016-08-31 | 2017-01-04 | 浙江省现代纺织工业研究院 | A kind of preparation method of ageing-resistant polypropylene flame redardant engineering plastics |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109135095A (en) * | 2018-06-21 | 2019-01-04 | 四川塑金科技有限公司 | A kind of composite regenerated modified environment-friendly flame retardant plastics and preparation method |
| CN110410616A (en) * | 2019-07-10 | 2019-11-05 | 广东安普智信电气有限公司 | A kind of high-strength impact-resistant composite bushing |
| CN111055397A (en) * | 2019-12-10 | 2020-04-24 | 江门市江海区新雄利塑料科技有限公司 | Engineering plastic processing method |
| CN113249814A (en) * | 2021-05-14 | 2021-08-13 | 盐城优和博新材料有限公司 | Production method of ultrahigh-temperature-resistant ultrahigh-strength polyethylene fiber |
| CN116462943A (en) * | 2023-04-28 | 2023-07-21 | 创意玩家(中山)家居有限公司 | Flame-retardant ultraviolet-proof PET film and application thereof on wallboard |
| CN116462943B (en) * | 2023-04-28 | 2024-02-02 | 创意玩家(中山)家居有限公司 | Flame-retardant ultraviolet-proof PET film and application thereof on wallboard |
| CN117683440A (en) * | 2024-01-30 | 2024-03-12 | 广东睿智环保科技股份有限公司 | Weather-resistant powder coating and preparation method and application thereof |
| CN117683440B (en) * | 2024-01-30 | 2024-04-16 | 广东睿智环保科技股份有限公司 | Weather-resistant powder coating and preparation method and application thereof |
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Application publication date: 20170609 |