CN112778788A - Composition for recycling waste plastics by using ocean and preparation method thereof - Google Patents
Composition for recycling waste plastics by using ocean and preparation method thereof Download PDFInfo
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- CN112778788A CN112778788A CN202011638793.1A CN202011638793A CN112778788A CN 112778788 A CN112778788 A CN 112778788A CN 202011638793 A CN202011638793 A CN 202011638793A CN 112778788 A CN112778788 A CN 112778788A
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- 229920003023 plastic Polymers 0.000 title claims abstract description 79
- 239000004033 plastic Substances 0.000 title claims abstract description 79
- 239000000203 mixture Substances 0.000 title claims abstract description 71
- 239000002699 waste material Substances 0.000 title claims abstract description 71
- 238000004064 recycling Methods 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims abstract description 35
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 33
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000004609 Impact Modifier Substances 0.000 claims abstract description 28
- 239000003054 catalyst Substances 0.000 claims abstract description 28
- 239000003623 enhancer Substances 0.000 claims abstract description 28
- 239000003063 flame retardant Substances 0.000 claims abstract description 28
- 239000012745 toughening agent Substances 0.000 claims abstract description 28
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 27
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 19
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 19
- 230000004048 modification Effects 0.000 claims abstract description 13
- 238000012986 modification Methods 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 12
- 239000002245 particle Substances 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims description 34
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 claims description 14
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 13
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 12
- 238000001125 extrusion Methods 0.000 claims description 12
- 238000005469 granulation Methods 0.000 claims description 12
- 230000003179 granulation Effects 0.000 claims description 12
- QUAMTGJKVDWJEQ-UHFFFAOYSA-N octabenzone Chemical compound OC1=CC(OCCCCCCCC)=CC=C1C(=O)C1=CC=CC=C1 QUAMTGJKVDWJEQ-UHFFFAOYSA-N 0.000 claims description 12
- -1 polypropylene Polymers 0.000 claims description 10
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 claims description 10
- 239000012752 auxiliary agent Substances 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 9
- 230000008018 melting Effects 0.000 claims description 9
- 238000005303 weighing Methods 0.000 claims description 9
- UHFOGRFLWQICFT-UHFFFAOYSA-N 2,2-bis(hydroxymethyl)-1,1-diphenylpropane-1,3-diol phosphono dihydrogen phosphate Chemical compound OP(O)(=O)OP(=O)(O)O.C1(=CC=CC=C1)C(O)(C(CO)(CO)CO)C1=CC=CC=C1 UHFOGRFLWQICFT-UHFFFAOYSA-N 0.000 claims description 8
- 229920001971 elastomer Polymers 0.000 claims description 7
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical group O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 7
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 7
- 239000004743 Polypropylene Substances 0.000 claims description 6
- 229920013820 alkyl cellulose Polymers 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 6
- 229920001577 copolymer Polymers 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 229920005680 ethylene-methyl methacrylate copolymer Polymers 0.000 claims description 5
- DXGLGDHPHMLXJC-UHFFFAOYSA-N oxybenzone Chemical compound OC1=CC(OC)=CC=C1C(=O)C1=CC=CC=C1 DXGLGDHPHMLXJC-UHFFFAOYSA-N 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 229920006124 polyolefin elastomer Polymers 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000011246 composite particle Substances 0.000 abstract description 2
- 238000003672 processing method Methods 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 10
- 238000003756 stirring Methods 0.000 description 6
- 241000282414 Homo sapiens Species 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 238000009264 composting Methods 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 239000002881 soil fertilizer Substances 0.000 description 2
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229920006238 degradable plastic Polymers 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
- C08J11/16—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with inorganic material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2300/00—Characterised by the use of unspecified polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Abstract
The invention relates to the technical field of garbage processing, in particular to a composition for recycling waste plastics by applying ocean and a preparation method thereof. The composition comprises, by weight, a marine recycled waste plastic master batch, ABS resin, a flame retardant, a weather resistant agent, a depolymerization catalyst, an impact modifier, a toughening agent, a flow enhancer, a compatilizer and an antioxidant. The invention has the beneficial effects that: the composite particles prepared by the invention have good comprehensive physical and mechanical properties and good flowing property, can be applied to a plurality of different fields, and can be used for preparing waste plastic particles with uniform properties and strong stability by combining a plurality of modification aids through the recovery processing and preparation method of the marine recycled waste plastic disclosed by the invention, so that the prepared particle materials meet the requirements of sustainable development of environment-friendly plastics, and the waste plastic particles with uniform properties and strong stability can be prepared, thereby having excellent economic and social benefits.
Description
Technical Field
The invention relates to the technical field of garbage processing, in particular to a composition for recycling waste plastics by applying ocean and a preparation method thereof.
Background
The method is characterized in that a large amount of garbage generated in life exists in the ocean every year, the garbage comprises a large amount of non-degradable plastic garbage, the garbage causes serious harm to the living environment of human beings, the human beings need to spend a large amount of money and energy to salvage and collect the marine life garbage at sea and carry out secondary treatment on the marine life garbage every year, but the treatment on the marine garbage after collection is limited to a burying method, an incineration method, a composting method and the like, and the burying method is used for burying the plastic fertilizer underground for a long time and is difficult to degrade; the burning method not only blocks the way of plastic circulation, but also generates highly toxic substances such as dioxin and the like after burning to cause secondary pollution; the composting method can only change organic matters in the garbage into soil fertilizer, and plastics cannot be effectively utilized in the soil fertilizer and influence the fertilizer efficiency. However, these treatment methods can only treat the garbage from the aspect of form, and cannot really treat the harmful garbage, if the marine garbage is classified, purified, washed and decontaminated by chemical means, large manpower and material resources are needed, a large amount of capital investment is needed to realize the treatment, the decomposition and utilization can only be less than 30%, and the treated products cannot be recycled, so that the recycling of plastic resources, especially the recycling of plastic plastics, is seriously affected.
In view of the above, how to effectively process the waste plastics recycled in the ocean and how to effectively convert and utilize the collected marine waste plastics further become one of the problems to be solved urgently for human survival nowadays.
Disclosure of Invention
The invention aims to overcome the defects of the existing marine garbage treatment, and provides a composition using marine recycled waste plastics and a preparation method thereof, wherein the composition can effectively utilize the marine recycled waste plastics in a patent way.
In order to solve the technical problems, the invention adopts the technical scheme that:
the composition comprises, by weight, 55-70 parts of marine recycled waste plastic master batch, 23-35 parts of ABS resin, 1-3 parts of flame retardant, 0.3-3 parts of weather resistant agent, 5-8 parts of depolymerization catalyst, 1.5-4 parts of impact modifier, 3-8 parts of toughening agent, 0.5-2 parts of flow enhancer, 2-3 parts of compatilizer and 3-6 parts of antioxidant.
Further, the marine recycled waste plastic master batch is prepared by classifying, salt washing, crushing, vibration filtering washing, drying, secondary crushing, carrying out volume reduction treatment, and carrying out extrusion granulation by an extruder.
Preferably, the flame retardant is one or a mixture of more than two of triphenyl phosphate, resorcinol bis-diphenyl phosphate and diphenyl pentaerythritol diphosphate.
Preferably, the weather resisting agent is one of 2-hydroxy-4-methoxybenzophenone or 2-hydroxy-4-n-octoxybenzophenone.
Preferably, the impact modifier is one or a mixture of any two of polypropylene grafted maleic anhydride, polyethylene grafted maleic anhydride, polyolefin elastomer grafted maleic anhydride, ethylene-methyl methacrylate copolymer or hydrogenated styrene-butadiene-urethane copolymer.
Preferably, the depolymerization catalyst is an aluminum oxide or an oxidized compound containing aluminum and silicon.
Preferably, the toughening agent is one or a mixture of more than two of ABS high rubber powder, SBS and MBS.
Preferably, the flow enhancer is one or more of EBS, zinc stearate, triphenyl phosphate and EVA wax.
Preferably, the compatilizer is one of EMA and alkyl cellulose ether.
A preparation method of a composition for recycling waste plastics by using oceans comprises the following steps:
step 1: weighing the dry marine recycled waste plastic master batch, the ABS resin, the flame retardant, the weather resistant agent, the depolymerization catalyst, the impact modifier, the toughening agent, the flow enhancer, the compatilizer and the antioxidant according to the weight ratio,
step 2: introducing the marine recycled waste plastic master batch and the ABS resin weighed in the step 1 into a reactor and melting, and then raising the temperature to the temperature within the range of 600 ℃ from 450 ℃ to obtain a molten mixture;
and step 3: adding the molten mixture prepared in the step 2 and the modification auxiliary agent into high-speed mixing, heating to 310 ℃ at 290-;
and 4, step 4: and (3) adding the material discharged in the step (3) into a double-screw extruder, blending and extruding at the temperature of 230-270 ℃, wherein the screw rotating speed is 200-250r/min, and performing extrusion granulation to obtain the composition particles of the marine recycled waste plastic.
Compared with the prior art, the invention has the beneficial effects that: the composite particles prepared by the method have good comprehensive physical and mechanical properties and good flow property, can be applied to a plurality of different fields, and can be used for preparing waste plastic particles with uniform performance and strong stability by combining a plurality of modification aids and making the prepared particle materials meet the requirements of sustainable development of environment-friendly plastics.
Detailed Description
The present invention will be further described with reference to the following embodiments.
The composition comprises, by weight, 55-70 parts of marine recycled waste plastic master batch, 23-35 parts of ABS resin, 1-3 parts of flame retardant, 0.3-3 parts of weather resistant agent, 5-8 parts of depolymerization catalyst, 1.5-4 parts of impact modifier, 3-8 parts of toughening agent, 0.5-2 parts of flow enhancer, 2-3 parts of compatilizer and 3-6 parts of antioxidant.
Further, the marine recycled waste plastic master batch is prepared by classifying, salt washing, crushing, vibration filtering washing, drying, secondary crushing, carrying out volume reduction treatment, and carrying out extrusion granulation by an extruder.
Preferably, the flame retardant is one or a mixture of more than two of triphenyl phosphate, resorcinol bis-diphenyl phosphate and diphenyl pentaerythritol diphosphate.
Preferably, the weather resisting agent is one of 2-hydroxy-4-methoxybenzophenone or 2-hydroxy-4-n-octoxybenzophenone.
Preferably, the impact modifier is one or a mixture of any two of polypropylene grafted maleic anhydride, polyethylene grafted maleic anhydride, polyolefin elastomer grafted maleic anhydride, ethylene-methyl methacrylate copolymer or hydrogenated styrene-butadiene-urethane copolymer.
Preferably, the depolymerization catalyst is an aluminum oxide or an oxidized compound containing aluminum and silicon.
Preferably, the toughening agent is one or a mixture of more than two of ABS high rubber powder, SBS and MBS.
Preferably, the flow enhancer is one or more of EBS, zinc stearate, triphenyl phosphate and EVA wax.
Preferably, the compatilizer is one of EMA and alkyl cellulose ether.
A preparation method of a composition for recycling waste plastics by using oceans comprises the following steps:
step 1: weighing the dry marine recycled waste plastic master batch, the ABS resin, the flame retardant, the weather resistant agent, the depolymerization catalyst, the impact modifier, the toughening agent, the flow enhancer, the compatilizer and the antioxidant according to the weight ratio,
step 2: introducing the marine recycled waste plastic master batch and the ABS resin weighed in the step 1 into a reactor and melting, and then raising the temperature to the temperature within the range of 600 ℃ from 450 ℃ to obtain a molten mixture;
and step 3: adding the molten mixture prepared in the step 2 and the modification auxiliary agent into high-speed mixing, heating to 310 ℃ at 290-;
and 4, step 4: and (3) adding the material discharged in the step (3) into a double-screw extruder, blending and extruding at the temperature of 230-270 ℃, wherein the screw rotating speed is 200-250r/min, and performing extrusion granulation to obtain the composition for the marine recycled waste plastic.
Example 1:
the composition comprises, by weight, 70 parts of marine recycled waste plastic master batches, 25 parts of ABS resin, 1.5 parts of a flame retardant, 0.9 part of a weather resistant agent, 6.8 parts of a depolymerization catalyst, 2 parts of an impact modifier, 8 parts of a toughening agent, 1.9 parts of a flow enhancer, 2 parts of a compatilizer and 3 parts of an antioxidant.
Preferably, the flame retardant is resorcinol bis-diphenyl phosphate.
Preferably, the weather resisting agent is 2-hydroxy-4-n-octoxy benzophenone.
Preferably, the impact modifier is one or a mixture of any two of polyethylene grafted maleic anhydride and hydrogenated styrene-butadiene-urethane copolymer.
Preferably, the depolymerization catalyst is aluminum oxide.
Preferably, the toughening agent is SBS.
Preferably, the flow enhancer is a blend of EBS and EVA wax.
Preferably, the compatibilizing agent is EMA.
A preparation method of a composition for recycling waste plastics by using oceans comprises the following steps:
step 1: weighing the dry marine recycled waste plastic master batch, the ABS resin, the flame retardant, the weather resistant agent, the depolymerization catalyst, the impact modifier, the toughening agent, the flow enhancer, the compatilizer and the antioxidant according to the weight ratio,
step 2: introducing the marine recycled waste plastic master batch and the ABS resin weighed in the step 1 into a reactor and melting, and then raising the temperature to a temperature within a range from 450 ℃ to obtain a molten mixture;
and step 3: adding the molten mixture prepared in the step 2 and the modification auxiliary agent into high-speed mixing, heating to 295 ℃, and stirring at the rotating speed of 600r/min for 50min to achieve uniform mixing;
and 4, step 4: and (3) adding the materials discharged in the step (3) into a double-screw extruder, blending and extruding at 270 ℃, wherein the rotating speed of the screw is 200r/min, and performing extrusion granulation to obtain the composition of the marine recycled waste plastic.
Example 2:
the composition comprises, by weight, 68 parts of marine recycled waste plastic master batch, 35 parts of ABS resin, 2.6 parts of a flame retardant, 3 parts of a weather resistant agent, 6.7 parts of a depolymerization catalyst, 3.3 parts of an impact modifier, 5.6 parts of a toughening agent, 1.4 parts of a flow enhancer, 2 parts of a compatilizer and 6 parts of an antioxidant.
Preferably, the flame retardant is formed by mixing triphenyl phosphate, resorcinol bis-diphenyl phosphate and diphenyl pentaerythritol diphosphate.
Preferably, the weather resisting agent is 2-hydroxy-4-n-octoxybenzophenone.
Preferably, the impact modifier is an ethylene-methyl methacrylate copolymer.
Preferably, the depolymerization catalyst is an oxidic compound containing aluminium and silicon.
Preferably, the toughening agent is MBS.
Preferably, the flow enhancer is zinc stearate.
Preferably, the compatibilizing agent is an alkyl cellulose ether.
A preparation method of a composition for recycling waste plastics by using oceans comprises the following steps:
step 1: weighing the dry marine recycled waste plastic master batch, the ABS resin, the flame retardant, the weather resistant agent, the depolymerization catalyst, the impact modifier, the toughening agent, the flow enhancer, the compatilizer and the antioxidant according to the weight ratio,
step 2: introducing the marine recycled waste plastic master batch and the ABS resin weighed in the step 1 into a reactor and melting, and then raising the temperature to a temperature within a range from 550 ℃ to obtain a molten mixture;
and step 3: adding the molten mixture prepared in the step 2 and the modification auxiliary agent into high-speed mixing, heating to 310 ℃, stirring for 30min at the rotating speed of 800r/min, and uniformly mixing;
and 4, step 4: and (3) adding the materials discharged in the step (3) into a double-screw extruder, blending and extruding at 260 ℃, wherein the rotating speed of the screw is 250r/min, and performing extrusion granulation to obtain the composition of the marine recycled waste plastic.
Example 3:
the composition comprises, by weight, 55 parts of marine recycled waste plastic master batches, 23 parts of ABS resin, 1 part of flame retardant, 0.3 part of weather resistant agent, 5 parts of depolymerization catalyst, 1.5 parts of impact modifier, 3 parts of toughening agent, 0.5 part of flow enhancer, 2 parts of compatilizer and 3 parts of antioxidant.
Preferably, the flame retardant is formed by mixing triphenyl phosphate and diphenyl pentaerythritol diphosphate.
Preferably, the weather resistant agent is 2-hydroxy-4-methoxybenzophenone.
Preferably, the impact modifier is a hydrogenated styrene-butadiene-urethane copolymer.
Preferably, the depolymerization catalyst is an aluminum oxide or an oxidized compound containing aluminum and silicon.
Preferably, the toughening agent is one or a mixture of more than two of ABS high rubber powder, SBS and MBS.
Preferably, the flow enhancer is one or more of EBS, zinc stearate, triphenyl phosphate and EVA wax.
Preferably, the compatilizer is one of EMA and alkyl cellulose ether.
A preparation method of a composition for recycling waste plastics by using oceans comprises the following steps:
step 1: weighing the dry marine recycled waste plastic master batch, the ABS resin, the flame retardant, the weather resistant agent, the depolymerization catalyst, the impact modifier, the toughening agent, the flow enhancer, the compatilizer and the antioxidant according to the weight ratio,
step 2: introducing the marine recycled waste plastic master batch and the ABS resin weighed in the step 1 into a reactor and melting, and then raising the temperature to a temperature within a range from 600 ℃ to obtain a molten mixture;
and step 3: adding the molten mixture prepared in the step 2 and the modification auxiliary agent into high-speed mixing, heating to 310 ℃, and stirring for 45min at the rotating speed of 500r/min to achieve uniform mixing;
and 4, step 4: and (3) adding the materials discharged in the step (3) into a double-screw extruder, blending and extruding at 270 ℃, wherein the rotating speed of the screw is 200r/min, and performing extrusion granulation to obtain the composition of the marine recycled waste plastic.
Example 4:
the composition comprises, by weight, 65 parts of marine recycled waste plastic master batches, 30 parts of ABS resin, 3 parts of a flame retardant, 3 parts of a weather resistant agent, 5 parts of a depolymerization catalyst, 1.5 parts of an impact modifier, 3 parts of a toughening agent, 1.5 parts of a flow enhancer, 2.7 parts of a compatilizer and 4 parts of an antioxidant.
Preferably, the flame retardant is formed by mixing resorcinol bis-diphenyl phosphate and diphenyl pentaerythritol diphosphate.
Preferably, the weather resistant agent is 2-hydroxy-4-methoxybenzophenone.
Preferably, the impact modifier is formed by mixing polypropylene grafted maleic anhydride and hydrogenated styrene-butadiene-urethane copolymer.
Preferably, the depolymerization catalyst is aluminum oxide.
Preferably, the toughening agent is ABS high rubber powder.
Preferably, the flow enhancer is zinc stearate mixed with EVA wax.
Preferably, the compatibilizing agent is an alkyl cellulose ether.
A preparation method of a composition for recycling waste plastics by using oceans comprises the following steps:
step 1: weighing the dry marine recycled waste plastic master batch, the ABS resin, the flame retardant, the weather resistant agent, the depolymerization catalyst, the impact modifier, the toughening agent, the flow enhancer, the compatilizer and the antioxidant according to the weight ratio,
step 2: introducing the marine recycled waste plastic master batch and the ABS resin weighed in the step 1 into a reactor and melting, and then raising the temperature to a temperature within a range from 450 ℃ to obtain a molten mixture;
and step 3: adding the molten mixture prepared in the step 2 and the modification auxiliary agent into high-speed mixing, heating to 310 ℃, and stirring for 50min at the rotating speed of 700r/min to achieve uniform mixing;
and 4, step 4: and (3) adding the materials discharged in the step (3) into a double-screw extruder, blending and extruding at 270 ℃, wherein the rotating speed of the screws is 220r/min, and performing extrusion granulation to obtain the composition of the marine recycled waste plastic.
Example 5:
the composition comprises, by weight, 57 parts of marine recycled waste plastic master batch, 35 parts of ABS resin, 2.9 parts of a flame retardant, 0.3 part of a weather resistant agent, 5 parts of a depolymerization catalyst, 1.5 parts of an impact modifier, 3 parts of a toughening agent, 0.5 part of a flow enhancer, 2.4 parts of a compatilizer and 3 parts of an antioxidant.
Preferably, the flame retardant is diphenyl pentaerythritol diphosphate.
Preferably, the weather resisting agent is 2-hydroxy-4-n-octoxybenzophenone.
Preferably, the impact modifier is formed by mixing polypropylene grafted maleic anhydride and ethylene-methyl methacrylate copolymer.
Preferably, the depolymerization catalyst is aluminum oxide.
Preferably, the toughening agent is formed by mixing ABS high-rubber powder and SBS.
Preferably, the flow enhancer is prepared by mixing EBS, triphenyl phosphate and EVA wax.
Preferably, the compatibilizing agent is EMA.
A preparation method of a composition for recycling waste plastics by using oceans comprises the following steps:
step 1: weighing the dry marine recycled waste plastic master batch, the ABS resin, the flame retardant, the weather resistant agent, the depolymerization catalyst, the impact modifier, the toughening agent, the flow enhancer, the compatilizer and the antioxidant according to the weight ratio,
step 2: introducing the marine recycled waste plastic master batch and the ABS resin weighed in the step 1 into a reactor and melting, and then raising the temperature to a temperature within a range from 480 ℃ to obtain a molten mixture;
and step 3: adding the molten mixture prepared in the step 2 and the modification auxiliary agent into high-speed mixing, heating to 300 ℃, stirring for 50min at the rotating speed of 800r/min, and uniformly mixing;
and 4, step 4: and (3) adding the materials discharged in the step (3) into a double-screw extruder, blending and extruding at 2304 ℃, wherein the rotating speed of the screws is 240r/min, and performing extrusion granulation to obtain the composition of the marine recycled waste plastic.
Example 6:
the composition comprises, by weight, 59 parts of marine recycled waste plastic master batches, 31 parts of ABS resin, 3 parts of a flame retardant, 1 part of a weather resistant agent, 6 parts of a depolymerization catalyst, 3 parts of an impact modifier, 4 parts of a toughening agent, 2 parts of a flow enhancer, 3 parts of a compatilizer and 4.6 parts of an antioxidant.
Preferably, the flame retardant is formed by mixing resorcinol bis-diphenyl phosphate and diphenyl pentaerythritol diphosphate.
Preferably, the weather resistant agent is-hydroxy-4-n-octoxybenzophenone.
Preferably, the impact modifier is polypropylene grafted maleic anhydride.
Preferably, the depolymerization catalyst is an oxidic compound containing aluminium and silicon.
Preferably, the toughening agent is ABS high rubber powder.
Preferably, the flow enhancer is zinc stearate mixed with EVA wax.
Preferably, the compatibilizing agent is EMA.
A preparation method of a composition for recycling waste plastics by using oceans comprises the following steps:
step 1: weighing the dry marine recycled waste plastic master batch, the ABS resin, the flame retardant, the weather resistant agent, the depolymerization catalyst, the impact modifier, the toughening agent, the flow enhancer, the compatilizer and the antioxidant according to the weight ratio,
step 2: introducing the marine recycled waste plastic master batch and the ABS resin weighed in the step 1 into a reactor and melting, and then raising the temperature to a temperature within a range from 500 ℃ to obtain a molten mixture;
and step 3: adding the molten mixture prepared in the step 2 and the modification auxiliary agent into high-speed mixing, heating to 290 ℃, stirring for 45min at the rotating speed of 500r/min, and uniformly mixing;
and 4, step 4: and (3) adding the materials discharged in the step (3) into a double-screw extruder, blending and extruding at 240 ℃, wherein the rotating speed of the screw is 250r/min, and performing extrusion granulation to obtain the composition of the marine recycled waste plastic.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A composition for recycling waste plastics by using ocean is characterized in that: the composition comprises, by weight, 55-70 parts of marine recycled waste plastic master batch, 23-35 parts of ABS resin, 1-3 parts of flame retardant, 0.3-3 parts of weather resistant agent, 5-8 parts of depolymerization catalyst, 1.5-4 parts of impact modifier, 3-8 parts of toughening agent, 0.5-2 parts of flow enhancer, 2-3 parts of compatilizer and 3-6 parts of antioxidant.
2. The composition for recycling waste plastic using ocean as claimed in claim 1, wherein: the ocean recycled waste plastic master batch is obtained by classifying, salt washing, crushing, vibrating, filtering and washing, drying and secondary crushing the recycled ocean waste plastic, carrying out volume reduction treatment, and carrying out extrusion granulation by an extruder.
3. The composition for recycling waste plastic using ocean as claimed in claim 1, wherein: the flame retardant is formed by mixing one or more of triphenyl phosphate, resorcinol bis-diphenyl phosphate and diphenyl pentaerythritol diphosphate.
4. The composition for recycling waste plastic using ocean as claimed in claim 1, wherein: the weather resisting agent is one of 2-hydroxy-4-methoxybenzophenone or 2-hydroxy-4-n-octoxybenzophenone.
5. The composition for recycling waste plastic using ocean as claimed in claim 1, wherein: the impact modifier is one or the mixture of any two of polypropylene grafted maleic anhydride, polyethylene grafted maleic anhydride, polyolefin elastomer grafted maleic anhydride, ethylene-methyl methacrylate copolymer or hydrogenated styrene-butadiene-urethane copolymer.
6. The composition for recycling waste plastic using ocean as claimed in claim 1, wherein: the depolymerization catalyst is an aluminum oxide or an oxidized compound containing aluminum and silicon.
7. The composition for recycling waste plastic using ocean as claimed in claim 1, wherein: the toughening agent is formed by mixing one or more of ABS high rubber powder, SBS and MBS.
8. The composition for recycling waste plastic using ocean as claimed in claim 1, wherein: the flow enhancer is one or more of EBS, zinc stearate, triphenyl phosphate and EVA wax.
9. The composition for recycling waste plastic using ocean as claimed in claim 1, wherein: the compatilizer is one of EMA and alkyl cellulose ether.
10. A preparation method of a composition for recycling waste plastics by using oceans is characterized by comprising the following steps:
step 1: weighing the dry marine recycled waste plastic master batch, the ABS resin, the flame retardant, the weather resistant agent, the depolymerization catalyst, the impact modifier, the toughening agent, the flow enhancer, the compatilizer and the antioxidant according to the weight ratio,
step 2: introducing the marine recycled waste plastic master batch and the ABS resin weighed in the step 1 into a reactor and melting, and then raising the temperature to the temperature within the range of 600 ℃ from 450 ℃ to obtain a molten mixture;
and step 3: adding the molten mixture prepared in the step 2 and the modification auxiliary agent into high-speed mixing, heating to 310 ℃ at 290-;
and 4, step 4: and (3) adding the material discharged in the step (3) into a double-screw extruder, blending and extruding at the temperature of 230-270 ℃, wherein the screw rotating speed is 200-250r/min, and performing extrusion granulation to obtain the composition particles of the marine recycled waste plastic.
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Application publication date: 20210511 |