CN106751806A - A kind of reactive compatibilizer prepares the alloy material for reclaiming carpet PA66 resins and recycled PET - Google Patents
A kind of reactive compatibilizer prepares the alloy material for reclaiming carpet PA66 resins and recycled PET Download PDFInfo
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- CN106751806A CN106751806A CN201611242249.9A CN201611242249A CN106751806A CN 106751806 A CN106751806 A CN 106751806A CN 201611242249 A CN201611242249 A CN 201611242249A CN 106751806 A CN106751806 A CN 106751806A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
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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
- C08L2205/24—Crystallisation aids
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/20—Recycled plastic
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The alloy material for reclaiming carpet PA66 resins and recycled PET is prepared the invention discloses a kind of reactive compatibilizer, material compositing formula is made up of the following each component of percentage by weight：Reclaim waste carpet PA66 resins：54~64%；Recycled PET resin：35~45%；Reactive compatibilizers：0.1~0.5%.Beneficial effects of the present invention are：1st, environmental protection is followed, the concept of sustainable development realizes the recycling for reclaiming PA66 and PET.2nd, by the hydroxyl reaction of the amido and PET molecule chain ends of numerous reactive functionals and PA66 ends in a kind of new reactive compatibilizer molecule, realize that PA66 and PET is intermolecular to be linked together by chemical bond, both consistency problems are solved, the performance of each component excellent properties in alloy is realized.
Description
Technical field
The alloy material for reclaiming carpet PA66 resins and recycled PET is prepared the present invention relates to pass through a kind of reactive compatibilizer
Material, compatibility present in alloy is solved the problems, such as by being connected by chemical bond between PA66 and PET strands, it is ensured that
The performance of each component excellent properties in alloy.
Background technology
With expanding economy, plastic products industry in recent years obtains the development of high speed, the large-scale production of plastic products
Necessarily cause the generation of substantial amounts of scrapped plastic products, it is most of national all to plastics waste plastic in the world by the end of current
Product is reclaimed, but the most processing mode of plastic products for reclaiming is to abandon, burn, filling, above-mentioned treatment
Mode not only pollutes environment, endangers the sustainable development of the mankind, and also creates the waste of resource, not to salvage material reality
Now with.Realize as can be seen here to the recovery of waste or used plastics and reuse to environmental protection, realize recycling for resource,
It is significant.
Most carpet material is prepared from by nylon yarn, carpet is reclaimed and is classified, by mineral therein and impurity
Rejecting can obtain purity recovery PA66 resins higher, and PA66 has excellent mechanical property and chemically-resistant as engineering plastics
Solvent borne, but price is of a relatively high, PET bottle is seen everywhere in life, and life in PET bottle be generally disposable purposes
, substantial amounts of PET bottle is produced in daily life, PET material is less expensive, but PET there is a problem of being difficult crystallization, cause it
Mechanical property is relatively poor, if the consistency problem between PA66 and PET can be improved, develops the PA66/PET of function admirable
Alloy, so not only reduces cost, solves the problems, such as that PET material is difficult crystallization again, and this is to reclaiming PA66 and recycled PET tree
The recycling of fat has very important significance, so increase PA66 being answered alloy material with the compatibility of PET alloy material
With serving conclusive effect.
The content of the invention
Prepared the invention provides a kind of reactive compatibilizer the alloy material that reclaims carpet PA66 resins and recycled PET and
Its alloy preparation method, numerous activity and recovery waste carpet PA66 trees in the copolymer using a kind of ethene and maleic anhydride
The amido of fat end and the hydroxyl reaction of recycled PET resin not only realize the work of PA66 and PET resin increase viscosity in itself
With, but also PA66 and PET molecules can be linked together by chemical bond, both poor compatibilities are solved the problems, such as, and
And the content of the active function groups in the copolymer of ethene and maleic anhydride is very high, adding little amount can just realize above-mentioned asking
Topic, and avoid introducing new impurity.
The present invention is the proposed technical problem of solution, the technical scheme for using for：
A kind of reactive compatibilizer prepares the alloy material for reclaiming carpet PA66 resins and recycled PET, and it includes following pressing
The raw material of percentage by weight meter：
Reclaim waste carpet PA66 resins 54-64%；
Recycled PET resin 35-45%；
Reactive compatibilizers 0-0.5%.
The recovery waste carpet PA66 resin treatment flows are as follows：
The carpet that will be collected into first is classified (PA6＆PA66), is then crushed by dry type cutter, and carpet is returned
Latex and calcium carbonate in rewinding are separated, and (the patent No. is processed finally by the wet separation technology of patent：US 7,
784,719 Bl), waste carpet PA66 resins are then recycled by extruding pelletization.
Described recycled PET resin is waste PET bottle by separating, crushing, cleaning, drying the recovery that extruding pelletization is obtained
PET resin.
Described compatilizer is the copolymer of a kind of ethene and maleic anhydride.
The functional aids such as lubricant, antioxidant, compounding nucleator are may also include in described composite.
The method that above-mentioned reactive compatibilizer prepares the alloy material for reclaiming carpet PA66 resins and recycled PET, including with
Lower step：
(1) each raw material after dry bath is weighed by formula rate, the raw material that will be mixed is well mixed with homogenizer；
(2) raw material for mixing above-mentioned homogenizer is added by the main spout of double screw extruder, through superfusion
Described high performance alloys material is obtained after melting the operations such as extrusion, granulation, dried process.
Compared with prior art, advantage of the invention is that：The multiple carried by the copolymer of ethene and maleic anhydride
Active function groups and the hydroxyl reaction for reclaiming waste carpet PA66 molecule chain ends amido and recycled PET resinous terminal, not only may be used
To promote PA66 and PET molecule chain reactions, increase viscosity, so that increase the effect of its mechanical property, and PA66 and PET molecules
Chain can be linked together by chemical bond, so as to solve asking for recurrent poor compatibility in PA66/PET alloy materials
Topic, and the quantity of the activity anhydride functional group of each strand of copolymer from ethylene and maleie anhydride reaches more than 200, this
Sample can be added can just play a part of compatilizer on a small quantity, it is to avoid new impurity is introduced in alloy system.
Specific embodiment
In order that the technical problem to be solved in the present invention, technical scheme and beneficial effect are clearer, below in conjunction with reality
Example is applied, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used for explaining this hair
It is bright, it is not intended to limit the present invention.
Embodiments of the invention use following materials：
Reclaim waste carpet PA66 resins, WELLMAN Plastics Recycling, LLC；
Recycled PET resin, WELLMAN Plastics Recycling, LLC；
Compatilizer：Copolymer from ethylene and maleie anhydride, it is commercially available；
Graft：Maleic anhydride graft PP, it is commercially available.
Lubricant：Silicone powder, technical grade is commercially available；
Antioxidant：Hinered phenols antioxidant 1010, CIBA companies of Switzerland；
Antioxidant：Three [2.4- di-tert-butyl-phenyls] phosphite esters 168, it is commercially available；
Nucleator：The sodium salt of long-chain fat race carboxylic acid, Clariant Corporation.
Properties of product method of testing：
Tensile property：By ISO527-2 methods, batten size：170*10*4mm, test speed 5mm/min.
Notched impact properties：By the methods of ISO 180, batten size：80*10*4mm.
Embodiment 1：
Recovery waste carpet PA66 resin 2.93kg, recycled PET resin 2kg are weighed in drying 4h at 100 DEG C, antioxidant
1010 and 168 each 12.5g, lubricant 25g, nucleator 15g, compatilizer 5g are well mixed in homogenizer, obtain resin
Mixture；
By well mixed resin compound by main spout be added to double screw extruder (screw diameter is 35mm,
Draw ratio is L/D=36) in, each section of double screw extruder control temperature (being exported to head from charge door) is 230 DEG C, 240
DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, double screw extruder rotating speed is
400r/min, pelletizing obtains product after the material strip of extrusion is through water-carrying groove cooling, forced air drying agent is dried.
Standard batten is molded at a temperature of 275 DEG C after above-mentioned material is dried into 4h in 100 DEG C in air dry oven.
By the mechanical property batten of injection formed in laboratory standard environment (23 DEG C, 50%RH), it is laggard that placement 24h carries out status adjustment
Row test, above test result is shown in Table 1.
Embodiment 2：
Recovery waste carpet PA66 resin 2.92kg, recycled PET resin 2kg are weighed in drying 4h at 100 DEG C, antioxidant
1010 and 168 each 12.5g, lubricant 25g, nucleator 15g, compatilizer 15g are well mixed in homogenizer, obtain resin
Mixture；
By well mixed resin compound by main spout be added to double screw extruder (screw diameter is 35mm,
Draw ratio is L/D=36) in, each section of double screw extruder control temperature (being exported to head from charge door) is 230 DEG C, 240
DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, double screw extruder rotating speed is
400r/min, pelletizing obtains product after the material strip of extrusion is through water-carrying groove cooling, forced air drying agent is dried.
Standard batten is molded at a temperature of 275 DEG C after above-mentioned material is dried into 4h in 100 DEG C in air dry oven.
By the mechanical property batten of injection formed in laboratory standard environment (23 DEG C, 50%RH), it is laggard that placement 24h carries out status adjustment
Row test, above test result is shown in Table 1.
Embodiment 3：
Recovery waste carpet PA66 resin 2.91kg, recycled PET resin 2kg are weighed in drying 4h at 100 DEG C, antioxidant
1010 and 168 each 12.5g, lubricant 25g, nucleator 15g, compatilizer 25g are well mixed in homogenizer, obtain resin
Mixture；
By well mixed resin compound by main spout be added to double screw extruder (screw diameter is 35mm,
Draw ratio is L/D=36) in, each section of double screw extruder control temperature (being exported to head from charge door) is 230 DEG C, 240
DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, double screw extruder rotating speed is
400r/min, pelletizing obtains product after the material strip of extrusion is through water-carrying groove cooling, forced air drying agent is dried.
Standard batten is molded at a temperature of 275 DEG C after above-mentioned material is dried into 4h in 100 DEG C in air dry oven.
By the mechanical property batten of injection formed in laboratory standard environment (23 DEG C, 50%RH), it is laggard that placement 24h carries out status adjustment
Row test, above test result is shown in Table 1.
Comparative example 1：
Recovery waste carpet PA66 resin 2.435kg, recycled PET resin 2kg are weighed in drying 4h, PP-g- at 100 DEG C
MAH 0.5kg, antioxidant 1010 and 168 each 12.5g, lubricant 25g, nucleator 15g, compatilizer 5g are mixed in homogenizer
Close uniform, obtain resin compound；
By well mixed resin compound by main spout be added to double screw extruder (screw diameter is 35mm,
Draw ratio is L/D=36) in, each section of double screw extruder control temperature (being exported to head from charge door) is 230 DEG C, 240
DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, double screw extruder rotating speed is
400r/min, pelletizing obtains product after the material strip of extrusion is through water-carrying groove cooling, forced air drying agent is dried.
Standard batten is molded at a temperature of 275 DEG C after above-mentioned material is dried into 4h in 100 DEG C in air dry oven.
By the mechanical property batten of injection formed in laboratory standard environment (23 DEG C, 50%RH), it is laggard that placement 24h carries out status adjustment
Row test, above test result is shown in Table 1.
Comparative example 2：
Recovery waste carpet PA66 resin 2.935kg, recycled PET resin 2kg are weighed in drying 4h, antioxidant at 100 DEG C
1010 and 168 each 12.5g, lubricant 25g, nucleator 15g are well mixed in homogenizer, obtain resin compound；
By well mixed resin compound by main spout be added to double screw extruder (screw diameter is 35mm,
Draw ratio is L/D=36) in, each section of double screw extruder control temperature (being exported to head from charge door) is 230 DEG C, 240
DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, double screw extruder rotating speed is
400r/min, pelletizing obtains product after the material strip of extrusion is through water-carrying groove cooling, forced air drying agent is dried.
Standard batten is molded at a temperature of 275 DEG C after above-mentioned material is dried into 4h in 100 DEG C in air dry oven.
By the mechanical property batten of injection formed in laboratory standard environment (23 DEG C, 50%RH), it is laggard that placement 24h carries out status adjustment
Row test, above test result is shown in Table 1.
Comparative example 3：
Recovery waste carpet PA66 resin 2.435kg, recycled PET resin 2.5kg are weighed in drying 4h, antioxygen at 100 DEG C
Agent 1010 and 168 each 12.5g, lubricant 25g, nucleator 15g are well mixed in homogenizer, obtain resin compound；
By well mixed resin compound by main spout be added to double screw extruder (screw diameter is 35mm,
Draw ratio is L/D=36) in, each section of double screw extruder control temperature (being exported to head from charge door) is 230 DEG C, 240
DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, double screw extruder rotating speed is
400r/min, pelletizing obtains product after the material strip of extrusion is through water-carrying groove cooling, forced air drying agent is dried.
Standard batten is molded at a temperature of 275 DEG C after above-mentioned material is dried into 4h in 100 DEG C in air dry oven.
By the mechanical property batten of injection formed in laboratory standard environment (23 DEG C, 50%RH), it is laggard that placement 24h carries out status adjustment
Row test, above test result is shown in Table 1.
Comparative example 4：
Recovery waste carpet PA66 resin 1.935kg, recycled PET resin 3kg are weighed in drying 4h, antioxidant at 100 DEG C
1010 and 168 each 12.5g, lubricant 25g, nucleator 15g are well mixed in homogenizer, obtain resin compound；
By well mixed resin compound by main spout be added to double screw extruder (screw diameter is 35mm,
Draw ratio is L/D=36) in, each section of double screw extruder control temperature (being exported to head from charge door) is 230 DEG C, 240
DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, double screw extruder rotating speed is
400r/min, pelletizing obtains product after the material strip of extrusion is through water-carrying groove cooling, forced air drying agent is dried.
Standard batten is molded at a temperature of 275 DEG C after above-mentioned material is dried into 4h in 100 DEG C in air dry oven.
By the mechanical property batten of injection formed in laboratory standard environment (23 DEG C, 50%RH), it is laggard that placement 24h carries out status adjustment
Row test, above test result is shown in Table 1.
Table 1：The performance test results.
It is very poor without the PA66/PET alloy mechanical properties of compatilizer comparative example 2 to be can be seen that from data shown in table,
The reason for causing this problem is that PA66 with PET molecular structures are different, and compatibility is poor, by the conventional phase of comparative examples 1
Holding the addition of agent maleic anhydride graft PP can improve consistency problem between PA66/PET, but maleic anhydride graft PP
Active functional group content is less, and it is higher to play compatible role addition, PP is introduced in PA66/PET alloy materials, so
The mechanical property of alloy material can be reduced, is contrasted by embodiment 1, embodiment 2 and embodiment 3 it can be found that compatilizer adds
Dosage can both be such that the mechanical property of PA66/PET alloy materials performs to most preferably 0.3%, this be due to compatilizer ethene and
Active functional group content's decision high in the copolymer of maleic anhydride, addition has to a certain degree on the contrary in 0.5% mechanical property
Decline, this is probably excessive by addition, makes the viscosity of system too high, caused by influenceing the process of alloy, by right
Than embodiment 2, embodiment 4, embodiment 5 and comparative example 2, comparative example 3, comparative example 4, hence it is evident that as can be seen that identical PET contents
Under, add compatilizer to effectively improve the intensity of PA66/PET alloys, and better than the property of conventional maleic anhydride graft PP
Can, so recycling of the preparation method of PA66/PET alloys for reclaiming PA66 and recycled PET resin has important meaning
Justice.
Claims (6)
1. a kind of reactive compatibilizer prepares the alloy material for reclaiming carpet PA66 resins and recycled PET, it is characterised in that：Its bag
Include following raw material by weight percentage：
Reclaim waste carpet PA66 resins 54-64%；
Recycled PET resin 35-45%；
Reactive compatibilizers 0-0.5%.
2. a kind of reactive compatibilizer according to claim 1 prepares the alloy for reclaiming carpet PA66 resins and recycled PET
Material, it is characterised in that：The recovery waste carpet PA66 resin treatment flows are as follows：
The carpet that will be collected into first is classified (PA6＆PA66), is then crushed by dry type cutter, by carpet reclaimed materials
In latex and calcium carbonate separate, be processed finally by the wet separation technology of patent, then by extruding pelletization
It is recycled waste carpet PA66 resins.
3. a kind of reactive compatibilizer according to claim 1 prepares the alloy for reclaiming carpet PA66 resins and recycled PET
Material, it is characterised in that：Described recycled PET resin is that waste PET bottle is obtained by separating, crushing, cleaning, drying extruding pelletization
The recycled PET resin for arriving.
4. a kind of reactive compatibilizer according to claim 1 prepares the alloy for reclaiming carpet PA66 resins and recycled PET
Material, it is characterised in that：Described compatilizer is the copolymer of a kind of ethene and maleic anhydride.
5. a kind of reactive compatibilizer according to claim 1 prepares the alloy for reclaiming carpet PA66 resins and recycled PET
Material, it is characterised in that：Lubricant, antioxidant, compounding nucleator functional aid are may also include in described composite.
6. one of any described reactive compatibilizers of claim 1-5 prepare the conjunction for reclaiming carpet PA66 resins and recycled PET
The method of golden material, it is characterised in that：Comprise the following steps：
(1) each raw material after dry bath is weighed by formula rate, the raw material that will be mixed is well mixed with homogenizer；
(2) raw material for mixing above-mentioned homogenizer is added by the main spout of double screw extruder, is squeezed by melting
Go out, granulate, obtaining described high performance alloys material after the operation such as dried process.
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Cited By (3)
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| CN109137136A (en) * | 2018-07-23 | 2019-01-04 | 陕西科技大学 | A kind of preparation method and application of the compound fibrid of PET-PA66 |
| CN114231023A (en) * | 2021-12-27 | 2022-03-25 | 中广核俊尔(浙江)新材料有限公司 | Low-cost, low-water-absorption and easy-to-mold PA/PET alloy material and preparation method thereof |
| CN114921070A (en) * | 2022-06-20 | 2022-08-19 | 厦门建霖健康家居股份有限公司 | Low-warpage high-temperature-resistant polyester material and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109137136A (en) * | 2018-07-23 | 2019-01-04 | 陕西科技大学 | A kind of preparation method and application of the compound fibrid of PET-PA66 |
| CN114231023A (en) * | 2021-12-27 | 2022-03-25 | 中广核俊尔(浙江)新材料有限公司 | Low-cost, low-water-absorption and easy-to-mold PA/PET alloy material and preparation method thereof |
| CN114231023B (en) * | 2021-12-27 | 2023-10-31 | 中广核俊尔(浙江)新材料有限公司 | Low-cost, low-water-absorption and easy-molding PA/PET alloy material and preparation method thereof |
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Application publication date: 20170531 |