CN108912588A - A kind of processing method that waste and old ABS plastic enhancing recycles - Google Patents
A kind of processing method that waste and old ABS plastic enhancing recycles Download PDFInfo
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- CN108912588A CN108912588A CN201810933314.5A CN201810933314A CN108912588A CN 108912588 A CN108912588 A CN 108912588A CN 201810933314 A CN201810933314 A CN 201810933314A CN 108912588 A CN108912588 A CN 108912588A
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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
- C08L55/00—Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00
- C08L55/02—ABS [Acrylonitrile-Butadiene-Styrene] polymers
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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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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Abstract
The invention discloses a kind of processing methods that waste and old ABS plastic enhancing recycles, and include the following steps：（1）Pulverization process,（2）Raw material weighs,（3）Mixing process,（4）Extrusion molding.The present invention has carried out special reprocessing to waste and old ABS plastic and has utilized, and improves the utilization rate of substance, protects environment, and regrown material mechanical property obtained is good, and overall characteristic is good, has the very strong market competitiveness and productivity effect.
Description
Technical field
The invention belongs to engineering plastics and synthetic resin technical fields, and in particular to a kind of waste and old ABS plastic enhancing is sharp again
Processing method.
Background technique
With rising steadily for plastic raw materials price, in order to economize on resources and the energy, reduces production cost and reduce environment
Pollution, the recycling of spent high molecular class product have become the project to attract attention.ABS plastic (acrylonitrile-butadiene-
Polyglass) it is widely used in producing household appliances, so can be obtained when recycling household electrical appliances (such as TV, refrigerator, washing machine)
To a large amount of waste and old ABS plastic.It is more to the reuse method of such plastics, but there are problems that many performances more and use.
《A kind of chemical toughening method of waste and old ABS plastic》A kind ofization is disclosed in (application No. is 201410314962.4)
It learns the regeneration method of the waste and old ABS of toughening modifying and utilizes reconstituted product made from this method.The invention has used more addition
Agent, and it is related to complicated chemical reaction, complex process, higher cost.
《Waste and old ABS plastic regenerating and modifying automobile special material and preparation method thereof》In (application No. is 201410314962.4)
A kind of waste and old ABS method for toughening for automobile industry is disclosed, this invention proposes blending modification methods, but use more
The method of additive, higher cost, and the invention is directed to automobile industry, and ABS content also only reaches 90%, is not suitable for house
The waste and old ABS of electric industry is modified.
《The method of waste washing machine ABS plastic toughening》It is disclosed in (application No. is 201510795992.6) a kind of useless
The method of old washing machine ABS plastic toughening optimizes the material composition that addition uses, reduces the use of additive, although side
Method is relatively simple, but the performance indicator of manufactured material is poor, corresponding product it is poor quality.
Summary of the invention
The purpose of the present invention is being directed to existing problem, a kind of processing side that waste and old ABS plastic enhancing recycles is provided
Method.
The present invention is achieved by the following technical solutions：
A kind of processing method that waste and old ABS plastic enhancing recycles, includes the following steps：
（1）Pulverization process：
Waste and old ABS reclaimed materials is put into drying box after being dried 1 ~ 2h and is taken out, it is broken then to put into shearing in crusher
It is spare after broken processing；
（2）Raw material weighs：
Following raw materials according is weighed by corresponding parts by weight：95 ~ 100 parts of steps（1）Treated waste and old ABS reclaimed materials, 0.5 ~ 1 part of high glue
Powder, 1 ~ 1.5 part of thermoplastic elastomer (TPE), 3 ~ 6 parts of compounded mixs, 1 ~ 1.5 part of microcrystalline wax, 2 ~ 3 parts of colorants, 0.2 ~ 0.4 part of purple
Ultraviolet absorbers；
（3）Mixing process：
By step（2）Weighed all raw materials are put into jointly and carry out mixing process in kneading machine, take out mixed after 40 ~ 45min
Refining material is spare；
（4）Extrusion molding：
By step（3）Resulting mixing materials are put into double screw extruder carry out extrusion check rod, cooling and dicing after.
Further, step（1）Described in drying process when control drying box in temperature be 80 ~ 85 DEG C, shearing is broken
The grain diameter of waste and old ABS reclaimed materials is controlled after broken processing no more than 5mm.
Further, step（2）Described in thermoplastic elastomer (TPE) be styrene analog thermoplastic elastomer, amides thermoplastic
Any one in property elastomer, olefin hydrocarbons thermoplasticity elastic body.
Further, step（2）Described in ultraviolet absorbing agent be Ultraviolet Absorber UV-P, ultraviolet absorbing agent
Any one in UV-O, ultraviolet absorbing agent UV-9.
Further, step（2）Described in the preparation method of compounded mix include the following steps：
1）Into reaction kettle according to volume ratio 4 ~ 5:1~1.5:9 ~ 10 it is corresponding deionized waters, ammonium hydroxide, dehydrated alcohol are added, then with
After 300 ~ 400 revs/min of revolving speed is stirred continuously 8 ~ 10min of processing, then ethyl orthosilicate is at the uniform velocity added dropwise into reaction kettle, at this time
Temperature heating in reaction kettle is remained 32 ~ 34 DEG C, during which also constantly progress magnetic agitation processing, after 3 ~ 4h, then added sharp
Light device carries out laser irradiation treatment to the solution in reaction kettle, and silane coupling agent and nanometer titanium dioxide are added into reaction kettle
Titanium, remaining condition is constant, and it is spare that mixed liquor I is obtained after 1 ~ 2h；
2）By step 1）Resulting mixed liquor I, which is put into centrifuge, carries out high speed centrifugation processing, then repeatedly with dehydrated alcohol
Centrifuge washing is carried out to centrifugation object, until supernatant is in neutrality, is finally putting under conditions of temperature is 120 ~ 125 DEG C and dries i.e.
It can.
Further, step 1）Described in the mass fraction of ammonium hydroxide be 26 ~ 29%, dioxy in the ethyl orthosilicate
The content of SiClx is 30 ~ 35%, and the amount of ethyl orthosilicate dropwise addition is 1 ~ 1.2 times of deionized water total volume.
Further, step 1）Described in laser irradiation treatment be to carry out radiation treatment with nanosecond ultraviolet laser, during which
Control laser power density is 1.6 ~ 1.8W/cm2, etching speed is 100 ~ 110mm/s, and repetition rate is 40 ~ 45kHz, filling
Spacing is 0.005 ~ 0.007mm.
Further, step 1）Described in silane coupling agent be silane coupling agent kh550, silane coupling agent kh560, silicon
Any one in alkane coupling agent kh570, the granular size of the nano-titanium dioxide is 30 ~ 60nm, described silane coupled
The amount that agent, nano-titanium dioxide are added is the 10 ~ 14% of deionized water gross mass, 8 ~ 12% respectively.
Further, step（3）Described in mixing process when control kneading machine in temperature be 150 ~ 160 DEG C.
Further, step（4）Described in double screw extruder squeeze out temperature control be 210 ~ 220 DEG C.
ABS plastic reclaimed materials, which remanufacture, will affect whole polymerization property when use, and then affect whole strong
The mechanical qualities such as degree, to reduce the use quality of material and corresponding product.In this regard, present invention optimization improves its processing side
Method enhances the use value of plastics recovery material.Wherein, be especially added into raw material a kind of special compounded mix at
Point, the method that the mechanical quality that inorganic filler components carry out reinforcing material is added into high molecular polymer is existing, but inorganic filler
Compatible binding performance between high molecular polymer is bad, is easy to the problems such as reuniting cause using effect it is general, to this this hair
It is bright that special processing has been carried out in the preparation process of this compounded mix, to deionized water, ammonium hydroxide, dehydrated alcohol, positive silicic acid
Ethyl ester reaction treatment for a period of time after, be applied with nanosecond ultraviolet laser radiation treatment, nanometer titanium dioxide silicon crystal is being given birth at this time
Length becomes larger, and the laser treatment applied can etch breakaway crystal, control the intensity of processing rationally during which to prevent excess processes, this
When make an addition to surrounding little particle nano-titanium dioxide be able to insertion nanometer titanium dioxide silicon crystal on, in crystal continued growth phase
It mutually combines closely, the silane coupling agent of addition also helps the progress of this combination, moreover it is possible to promote it between high molecular polymer matrix
Compatible compatibility, ultimately form a kind of insertion of nano-titanium dioxide it is fixed, integral particle diameter be receiving for 400 ~ 500nm
Rice silica compounded mix, this filler overall structure are stablized, the compatible combination strength between large specific surface area, with macromolecule matrix
Well, gliding fracture occurs when external impacts between nano-titanium dioxide and nano silica and absorbs energy, it is whole material can be promoted
Intensity, shock resistance of body etc., and then strengthen the characteristic of material.
The present invention has the following advantages that compared with prior art：
The present invention has carried out special reprocessing to waste and old ABS plastic and has utilized, and improves the utilization rate of substance, protects environment,
And regrown material mechanical property obtained is good, overall characteristic is good, has the very strong market competitiveness and productivity effect.
Specific embodiment
Embodiment 1
A kind of processing method that waste and old ABS plastic enhancing recycles, includes the following steps：
（1）Pulverization process：
Waste and old ABS reclaimed materials is put into drying box after being dried 1h and is taken out, then puts into shearing-crushing in crusher
It is spare after processing；
（2）Raw material weighs：
Following raw materials according is weighed by corresponding parts by weight：95 parts of steps（1）Treated waste and old ABS reclaimed materials, 0.5 part of high glue powder, 1 part
Thermoplastic elastomer (TPE), 3 parts of compounded mixs, 1 part of microcrystalline wax, 2 parts of colorants, 0.2 part of ultraviolet absorbing agent；
（3）Mixing process：
By step（2）Weighed all raw materials are put into jointly and carry out mixing process in kneading machine, take out to obtain mixing materials after 40min
It is spare；
（4）Extrusion molding：
By step（3）Resulting mixing materials are put into double screw extruder carry out extrusion check rod, cooling and dicing after.
Further, step（1）Described in drying process when control drying box in temperature be 80 DEG C, at shearing-crushing
The grain diameter of waste and old ABS reclaimed materials is controlled after reason no more than 5mm.
Further, step（2）Described in thermoplastic elastomer (TPE) be styrene analog thermoplastic elastomer.
Further, step（2）Described in ultraviolet absorbing agent be Ultraviolet Absorber UV-P.
Further, step（2）Described in the preparation method of compounded mix include the following steps：
1）Into reaction kettle according to volume ratio 4:1:9 corresponding addition deionized waters, ammonium hydroxide, dehydrated alcohol, then with 300 revs/min
After the revolving speed of clock is stirred continuously processing 8min, then ethyl orthosilicate is at the uniform velocity added dropwise into reaction kettle, at this time by the temperature in reaction kettle
Degree heating remains 32 DEG C, during which also constantly progress magnetic agitation processing, after 3h, then adds laser to the solution in reaction kettle
Laser irradiation treatment is carried out, and silane coupling agent and nano-titanium dioxide are added into reaction kettle, remaining condition is constant, after 1h
Mixed liquor I is spare；
2）By step 1）Resulting mixed liquor I, which is put into centrifuge, carries out high speed centrifugation processing, then repeatedly with dehydrated alcohol
Centrifuge washing is carried out to centrifugation object, until supernatant is in neutrality, is finally putting under conditions of temperature is 120 DEG C and dries.
Further, step 1）Described in the mass fraction of ammonium hydroxide be 26%, silica in the ethyl orthosilicate
Content be 30%, and the amount that ethyl orthosilicate is added dropwise is 1 times of deionized water total volume.
Further, step 1）Described in laser irradiation treatment be to carry out radiation treatment with nanosecond ultraviolet laser, during which
Control laser power density is 1.6W/cm2, etching speed 100mm/s, repetition rate 40kHz, filling spacing is
0.005mm。
Further, step 1）Described in silane coupling agent be silane coupling agent kh550, the nano-titanium dioxide
Granular size be 30 ~ 60nm, the silane coupling agent, nano-titanium dioxide be added amount be deionized water gross mass respectively
10%、8%。
Further, step（3）Described in mixing process when control kneading machine in temperature be 150 DEG C.
Further, step（4）Described in double screw extruder squeeze out temperature control be 210 DEG C.
Embodiment 2
A kind of processing method that waste and old ABS plastic enhancing recycles, includes the following steps：
（1）Pulverization process：
Waste and old ABS reclaimed materials is put into drying box after being dried 1.5h and is taken out, it is broken then to put into shearing in crusher
It is spare after broken processing；
（2）Raw material weighs：
Following raw materials according is weighed by corresponding parts by weight：98 parts of steps（1）Treated waste and old ABS reclaimed materials, 0.7 part of high glue powder, 1.3
Part thermoplastic elastomer (TPE), 5 parts of compounded mixs, 1.3 parts of microcrystalline waxes, 2.5 parts of colorants, 0.3 part of ultraviolet absorbing agent；
（3）Mixing process：
By step（2）Weighed all raw materials are put into jointly and carry out mixing process in kneading machine, take out to obtain mixing materials after 42min
It is spare；
（4）Extrusion molding：
By step（3）Resulting mixing materials are put into double screw extruder carry out extrusion check rod, cooling and dicing after.
Further, step（1）Described in drying process when control drying box in temperature be 82 DEG C, at shearing-crushing
The grain diameter of waste and old ABS reclaimed materials is controlled after reason no more than 5mm.
Further, step（2）Described in thermoplastic elastomer (TPE) be amide analog thermoplastic elastomer.
Further, step（2）Described in ultraviolet absorbing agent be ultraviolet absorbing agent UV-O.
Further, step（2）Described in the preparation method of compounded mix include the following steps：
1）Into reaction kettle according to volume ratio 4.6:1.3:9.5 corresponding addition deionized waters, ammonium hydroxide, dehydrated alcohol, then with 360
Rev/min revolving speed be stirred continuously processing 9min after, then ethyl orthosilicate is at the uniform velocity added dropwise into reaction kettle, at this time will be in reaction kettle
Temperature heating remain 33 DEG C, during which also constantly carry out magnetic agitation processing, after 3.5h, then add laser in reaction kettle
Solution carry out laser irradiation treatment, and silane coupling agent and nano-titanium dioxide are added into reaction kettle, remaining condition is constant,
It is spare that mixed liquor I is obtained after 1.6h；
2）By step 1）Resulting mixed liquor I, which is put into centrifuge, carries out high speed centrifugation processing, then repeatedly with dehydrated alcohol
Centrifuge washing is carried out to centrifugation object, until supernatant is in neutrality, is finally putting under conditions of temperature is 123 DEG C and dries.
Further, step 1）Described in the mass fraction of ammonium hydroxide be 28%, silica in the ethyl orthosilicate
Content be 33%, and the amount that ethyl orthosilicate is added dropwise is 1.1 times of deionized water total volume.
Further, step 1）Described in laser irradiation treatment be to carry out radiation treatment with nanosecond ultraviolet laser, during which
Control laser power density is 1.7W/cm2, etching speed 105mm/s, repetition rate 43kHz, filling spacing is
0.006mm。
Further, step 1）Described in silane coupling agent be silane coupling agent kh560, the nano-titanium dioxide
Granular size be 30 ~ 60nm, the silane coupling agent, nano-titanium dioxide be added amount be deionized water gross mass respectively
12%、10%。
Further, step（3）Described in mixing process when control kneading machine in temperature be 156 DEG C.
Further, step（4）Described in double screw extruder squeeze out temperature control be 215 DEG C.
Embodiment 3
A kind of processing method that waste and old ABS plastic enhancing recycles, includes the following steps：
（1）Pulverization process：
Waste and old ABS reclaimed materials is put into drying box after being dried 2h and is taken out, then puts into shearing-crushing in crusher
It is spare after processing；
（2）Raw material weighs：
Following raw materials according is weighed by corresponding parts by weight：100 parts of steps（1）Treated waste and old ABS reclaimed materials, 1 part of high glue powder, 1.5
Part thermoplastic elastomer (TPE), 6 parts of compounded mixs, 1.5 parts of microcrystalline waxes, 3 parts of colorants, 0.4 part of ultraviolet absorbing agent；
（3）Mixing process：
By step（2）Weighed all raw materials are put into jointly and carry out mixing process in kneading machine, take out to obtain mixing materials after 45min
It is spare；
（4）Extrusion molding：
By step（3）Resulting mixing materials are put into double screw extruder carry out extrusion check rod, cooling and dicing after.
Further, step（1）Described in drying process when control drying box in temperature be 85 DEG C, at shearing-crushing
The grain diameter of waste and old ABS reclaimed materials is controlled after reason no more than 5mm.
Further, step（2）Described in thermoplastic elastomer (TPE) be olefin hydrocarbons thermoplasticity elastic body.
Further, step（2）Described in ultraviolet absorbing agent be ultraviolet absorbing agent UV-9.
Further, step（2）Described in the preparation method of compounded mix include the following steps：
1）Into reaction kettle according to volume ratio 5:1.5:10 it is corresponding deionized waters, ammonium hydroxide, dehydrated alcohol are added, then with 400 turns/
After the revolving speed of minute is stirred continuously processing 10min, then ethyl orthosilicate is at the uniform velocity added dropwise into reaction kettle, it at this time will be in reaction kettle
Temperature heating remains 34 DEG C, during which also constantly progress magnetic agitation processing, after 4h, then adds laser to molten in reaction kettle
Liquid carries out laser irradiation treatment, and silane coupling agent and nano-titanium dioxide are added into reaction kettle, remaining condition is constant, after 2h
It is spare to obtain mixed liquor I；
2）By step 1）Resulting mixed liquor I, which is put into centrifuge, carries out high speed centrifugation processing, then repeatedly with dehydrated alcohol
Centrifuge washing is carried out to centrifugation object, until supernatant is in neutrality, is finally putting under conditions of temperature is 125 DEG C and dries.
Further, step 1）Described in the mass fraction of ammonium hydroxide be 29%, silica in the ethyl orthosilicate
Content be 35%, and the amount that ethyl orthosilicate is added dropwise is 1.2 times of deionized water total volume.
Further, step 1）Described in laser irradiation treatment be to carry out radiation treatment with nanosecond ultraviolet laser, during which
Control laser power density is 1.8W/cm2, etching speed 110mm/s, repetition rate 45kHz, filling spacing is
0.007mm。
Further, step 1）Described in silane coupling agent be silane coupling agent kh570, the nano-titanium dioxide
Granular size be 30 ~ 60nm, the silane coupling agent, nano-titanium dioxide be added amount be deionized water gross mass respectively
14%、12%。
Further, step（3）Described in mixing process when control kneading machine in temperature be 160 DEG C.
Further, step（4）Described in double screw extruder squeeze out temperature control be 220 DEG C.
Comparative example 1
This comparative example 1 compared with Example 2, in the preparation of compounded mix, eliminates step 1）In laser irradiation at
Reason operation, method and step in addition to this are all the same.
Comparative example 2
This comparative example 2 compared with Example 2, in the preparation of compounded mix, eliminates step 1）In nanometer titanium dioxide
Titanium ingredient, method and step in addition to this are all the same.
Comparative example 3
This comparative example 3 compared with Example 2, in the preparation of compounded mix, eliminates step 1）In silane coupling agent
Ingredient, method and step in addition to this are all the same.
Comparative example 4
This comparative example 4 compared with Example 2, in step（2）During raw material weighs, with etc. mass parts commercially available nanometer titanium dioxide
Silicon replaces compounded mix ingredient, and method and step in addition to this is all the same.
Comparative example 5
This comparative example 5 compared with Example 2, in step（2）During raw material weighs, compounded mix ingredient is eliminated, in addition to this
Method and step it is all the same.
Control group
Application No. is a kind of methods of waste washing machine ABS plastic toughening disclosed in 201510795992.6.
In order to compare effect of the present invention, select with the waste and old ABS of a batch acquisition recycling as experimental subjects, respectively with above-mentioned
Embodiment 2, comparative example 1, comparative example 2, comparative example 3, comparative example 4, comparative example 5, control group pair
The method answered is processed, and is then tested for the property to manufactured finished-product material, specific correlation data such as the following table 1 institute
Show：
Table 1
Note：Tensile strength described in upper table 1 is tested referring to GB/T 1040；The Izod notched impact strength ginseng
It is tested according to GB/T 1843；The bending strength is tested referring to GB/T 9341；The melt flow rate (MFR) ginseng
It is tested according to GB/T 3682；The elongation at break is tested referring to GB/T 1040.
Processing method of the present invention significantly improves the comprehensive performance of recycling regenerating material it can be seen from upper table 1, especially bright
It is aobvious to improve its impact resistance, it ensure that use quality and the service life of material, the great market competitiveness and application value.
Claims (10)
1. a kind of processing method that waste and old ABS plastic enhancing recycles, which is characterized in that include the following steps：
（1）Pulverization process：
Waste and old ABS reclaimed materials is put into drying box after being dried 1 ~ 2h and is taken out, it is broken then to put into shearing in crusher
It is spare after broken processing；
（2）Raw material weighs：
Following raw materials according is weighed by corresponding parts by weight：95 ~ 100 parts of steps（1）Treated waste and old ABS reclaimed materials, 0.5 ~ 1 part of high glue
Powder, 1 ~ 1.5 part of thermoplastic elastomer (TPE), 3 ~ 6 parts of compounded mixs, 1 ~ 1.5 part of microcrystalline wax, 2 ~ 3 parts of colorants, 0.2 ~ 0.4 part of purple
Ultraviolet absorbers；
（3）Mixing process：
By step（2）Weighed all raw materials are put into jointly and carry out mixing process in kneading machine, take out mixed after 40 ~ 45min
Refining material is spare；
（4）Extrusion molding：
By step（3）Resulting mixing materials are put into double screw extruder carry out extrusion check rod, cooling and dicing after.
2. the processing method that a kind of waste and old ABS plastic enhancing according to claim 1 recycles, which is characterized in that step
（1）Described in drying process when control drying box in temperature be 80 ~ 85 DEG C, shearing-crushing processing after control waste and old ABS return
The grain diameter of rewinding is not more than 5mm.
3. the processing method that a kind of waste and old ABS plastic enhancing according to claim 1 recycles, which is characterized in that step
（2）Described in thermoplastic elastomer (TPE) be styrene analog thermoplastic elastomer, amide analog thermoplastic elastomer, olefin hydrocarbons thermoplasticity
Any one in elastomer.
4. the processing method that a kind of waste and old ABS plastic enhancing according to claim 1 recycles, which is characterized in that step
（2）Described in ultraviolet absorbing agent be Ultraviolet Absorber UV-P, ultraviolet absorbing agent UV-O, in ultraviolet absorbing agent UV-9
Any one.
5. the processing method that a kind of waste and old ABS plastic enhancing according to claim 1 recycles, which is characterized in that step
（2）Described in the preparation method of compounded mix include the following steps：
1）Into reaction kettle according to volume ratio 4 ~ 5:1~1.5:9 ~ 10 it is corresponding deionized waters, ammonium hydroxide, dehydrated alcohol are added, then with
After 300 ~ 400 revs/min of revolving speed is stirred continuously 8 ~ 10min of processing, then ethyl orthosilicate is at the uniform velocity added dropwise into reaction kettle, at this time
Temperature heating in reaction kettle is remained 32 ~ 34 DEG C, during which also constantly progress magnetic agitation processing, after 3 ~ 4h, then added sharp
Light device carries out laser irradiation treatment to the solution in reaction kettle, and silane coupling agent and nanometer titanium dioxide are added into reaction kettle
Titanium, remaining condition is constant, and it is spare that mixed liquor I is obtained after 1 ~ 2h；
2）By step 1）Resulting mixed liquor I, which is put into centrifuge, carries out high speed centrifugation processing, then repeatedly with dehydrated alcohol
Centrifuge washing is carried out to centrifugation object, until supernatant is in neutrality, is finally putting under conditions of temperature is 120 ~ 125 DEG C and dries i.e.
It can.
6. the processing method that a kind of waste and old ABS plastic enhancing according to claim 5 recycles, which is characterized in that step
1）Described in the mass fraction of ammonium hydroxide be 26 ~ 29%, the content of silica is 30 ~ 35% in the ethyl orthosilicate, and
The amount that ethyl orthosilicate is added dropwise is 1 ~ 1.2 times of deionized water total volume.
7. the processing method that a kind of waste and old ABS plastic enhancing according to claim 5 recycles, which is characterized in that step
1）Described in laser irradiation treatment be to carry out radiation treatment with nanosecond ultraviolet laser, during which control laser power density be 1.6 ~
1.8W/cm2, etching speed is 100 ~ 110mm/s, and repetition rate is 40 ~ 45kHz, and filling spacing is 0.005 ~ 0.007mm.
8. the processing method that a kind of waste and old ABS plastic enhancing according to claim 5 recycles, which is characterized in that step
1）Described in silane coupling agent be silane coupling agent kh550, it is silane coupling agent kh560, any in silane coupling agent kh570
One kind, the granular size of the nano-titanium dioxide are 30 ~ 60nm, and the silane coupling agent, nano-titanium dioxide are added
Amount is 10 ~ 14%, the 8 ~ 12% of deionized water gross mass respectively.
9. the processing method that a kind of waste and old ABS plastic enhancing according to claim 1 recycles, which is characterized in that step
（3）Described in mixing process when control kneading machine in temperature be 150 ~ 160 DEG C.
10. the processing method that a kind of waste and old ABS plastic enhancing according to claim 1 recycles, which is characterized in that step
（4）Described in double screw extruder squeeze out temperature control be 210 ~ 220 DEG C.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111016205A (en) * | 2019-12-26 | 2020-04-17 | 江苏卡拉扬商务休闲用品有限公司 | Process method for recycling leftover materials of ABS (acrylonitrile butadiene styrene) draw-bar box |
| CN111171502A (en) * | 2019-12-31 | 2020-05-19 | 日彩复合塑料(深圳)有限公司 | ABS reclaimed material and preparation process thereof |
| CN112175279A (en) * | 2020-10-20 | 2021-01-05 | 界首市旭升塑胶制品有限公司 | Method for preparing shoe material by using waste EVA |
| CN114752177A (en) * | 2022-04-15 | 2022-07-15 | 宁波坚锋新材料有限公司 | Regenerated ABS (acrylonitrile butadiene styrene) composite material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111016205A (en) * | 2019-12-26 | 2020-04-17 | 江苏卡拉扬商务休闲用品有限公司 | Process method for recycling leftover materials of ABS (acrylonitrile butadiene styrene) draw-bar box |
| CN111171502A (en) * | 2019-12-31 | 2020-05-19 | 日彩复合塑料(深圳)有限公司 | ABS reclaimed material and preparation process thereof |
| CN112175279A (en) * | 2020-10-20 | 2021-01-05 | 界首市旭升塑胶制品有限公司 | Method for preparing shoe material by using waste EVA |
| CN114752177A (en) * | 2022-04-15 | 2022-07-15 | 宁波坚锋新材料有限公司 | Regenerated ABS (acrylonitrile butadiene styrene) composite material and preparation method thereof |
| CN114752177B (en) * | 2022-04-15 | 2023-09-26 | 宁波坚锋新材料有限公司 | Regenerated ABS composite material and preparation method thereof |
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Application publication date: 20181130 |