CN106084754A - A kind of PA toughening material utilizing waste and old PA material to prepare - Google Patents
A kind of PA toughening material utilizing waste and old PA material to prepare Download PDFInfo
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- CN106084754A CN106084754A CN201610444820.9A CN201610444820A CN106084754A CN 106084754 A CN106084754 A CN 106084754A CN 201610444820 A CN201610444820 A CN 201610444820A CN 106084754 A CN106084754 A CN 106084754A
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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
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/20—Recycled plastic
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Abstract
The invention discloses a kind of PA toughening material utilizing waste and old PA material to prepare, its preparation method is that after over cleaning, pulverizing, waste and old PA material is added zinc oxide, chlorinated polyethylene, Kaolin, polyether sulfone, Polyetherimide, politef, it is prepared as PA toughening material through being sufficiently mixed, after heating and mould pressing molding, prepared mechanical strength height, good toughness, there are higher tension, comprcssive strength, fatigue performance highlights, heat-resisting, corrosion-resistant.
Description
Technical field
The present invention relates to technical field of polymer materials, tool relates to a kind of toughness reinforcing material of PA utilizing waste and old PA material to prepare
Material.
Background technology
Flourish along with Plastics Processing Industry, plastic product successfully instead of metal, timber, even in multiple fields
The natural materials such as stone material.Polyamide (nylon, english abbreviation is PA) is that in general engineering plastic, yield is maximum, kind is most, uses
Way is the widest, the base resin of function admirable.Have that the highest mechanical strength, fusing point be high, wear-resisting, oil resistant, fine heat-resisting performance etc.
Advantage, is widely used in automobile, the field such as electric, mechanical.But owing to the water absorption of polyamide is relatively big, cause product size
The shortcomings such as impact strength is low under poor stability, dry state or low temperature, also limit its wider application.It is modified permissible
Obtain the product that performance is various, widen its application.Meanwhile, the rising of global crude oil price, as one of petroleum derivative
Plastic price naturally also when the river rises the boat goes up, the regeneration of waste plastics is the most referred position primarily.Waste plastic
Recycling is commonly used by Modernized Chemical Enterprises.Waste plastics, after artificial screening is classified, also to be made through broken
Grain, the flow process such as modified, become various transparent opaque plastics granule, classify according still further to condition, finally becoming can be again
The reworked material utilized.
China from 2000 annual from the waste or used plastics of external import all more than 2,000,000 tons, and to be higher than every year
The speed increment of 10%.Showing according to relevant department's data, the plastics of some big and medium-sized cities of China, packaging waste have accounted for rubbish
The 5% ~ 10% of total amount, close to external industrially developed country level.Visible, waste and old regeneration is moulded by Plastics in China production of articles enterprise
The demand gap of material is the biggest, and the market space of domestic technics of reclaim of plastic waste is the biggest.
At present, China's automobile plastic consumption is increasing year by year, and economy car per car quantity of plastics reaches 50 ~ 60 kilograms, in
Sedan limousine reaches 60 ~ 80 kilograms, the even up to double centner having；Gently, medium-sized cargo truck quantity of plastics reaches about 50 kilograms.Flat
All each automobile plastic consumptions account for the 5% ~ 10% of automotive dead weight, reach external early 1980s, level in mid-term.Currently,
The trend of automobile plasticizing is developed into structural member, functor by general decor part, thus the range of plastic raw materials is also by commonly
Plastics (being used for automotive upholstery) expand to that intensity is higher, the more preferable composite of impact or plastic alloy.By 2010,
The total consumption of automobile plastic of China is up to about 780,000 tons.Therefore, for junked-auto working of plastics recovery, regenerate and utilize
For, our task will be more and more arduous.And, waste or used plastics is exposed to oxygen, water, hot light, ray, chemicals, pollutant
The phenomenon of the macromolecular chain fracture under the environmental conditions such as animal and microorganism such as matter, mechanical force, insecticide, is i.e. referred to as environment fall
Solve.Degraded makes plastic material molecular weight and molecular weight, and plastic material physical property reduces, until plastic material loses workability, this existing
Degradation with aging as also referred to as plastic material.Plastics after aging, particularly polyamide article, its usability and regeneration preparation
Quality of materials have a greatly reduced quality, therefore, it is necessary to the polyamide of waste and old recovery to be carried out the most modified reinforcement.
Although the research that polyamide reclaims technical field of modification has had bigger development, but mostly rests on experimental stage,
Meanwhile, can be put to actual application few in number, the market demand of high intensity high rigidity high-ductility nylon is increasing.Shen
Please publication No. be CN 102770493A, disclosed in there is the thermoplastic of recycling of toughener, described compositions comprises
The thermoplastic of the recycling of 50-92 weight %, the thermoplastic of wherein said recycling comprises at least 60 weights
The polyamide of the recycling of amount %, it is selected from polyamide 88, polyamide 8 and the repetition with polyamide 86 and polyamide 6
The copolymer of unit；With the polymer toughening agent of 8-30 weight %, it is acid that wherein said polymer toughening agent comprises at least one
Polymer toughening agent, wherein said polymer toughening agent had about 10 to about before being blended in described thermoplastic compounds
The average computation acid number of 90mg KOH/g.Described method of modifying is complicated, complex operation, and cost of manufacture is high, is unfavorable for extensive raw
Produce.Application publication number is CN 101792596 A, the composite of disclosed recycling waste vehicle nylon products and system thereof
Preparation Method, this composite include the primary material of PA 0 ~ 81%, reclaim PA material 14 ~ 95%, glass fibre 5 ~ 40%, nucleator 0 ~ 2%,
Chain extender 0 ~ 0.5%, chain-breaker 0 ~ 5%, toughener 0 ~ 30%, heat stabilizer 0 ~ 2% and processing aid mixed at high speed are uniform, are mixed
Close material；Compound is added, by glass fibre from from the second charging of double screw extruder from the main charge door of double screw extruder
Mouth adds, mix homogeneously in double screw extruder, and then extrusion pelletizing obtains composite.To waste and old in described preparation method
The power consumption of PA material is big, and operating parameter controls loaded down with trivial details, large-scale production degree and the modified limitation to material.
Summary of the invention
This is for above technical problem and demand situation, the invention provides a kind of PA utilizing waste and old PA material to prepare and increases
Tough material, by the recovery of waste and old PA material and improvement, adds auxiliary agent and makes PA toughening material, it is possible to alleviate environmental pollution,
Economizing on resources and energy consumption, prepare mechanical strength height, good toughness simultaneously, have higher tension, comprcssive strength, fatigue performance is dashed forward
Go out, heat-resisting, corrosion resistant PA material.
The present invention provides a kind of PA toughening material utilizing waste and old PA material to prepare, the PA toughening material wherein prepared be by
Waste and old PA material adds auxiliary agent make through recovery, cleaned material.
Further, the percentage by weight of the described each composition of PA toughening material is, waste and old PA material: 60%-70%；Oxidation
Zinc: 5%-15%；Chlorinated polyethylene 6%-10%；Kaolin: 1%-5%；Polyether sulfone: 5%-10%；Polyetherimide 4%-
12%；Politef: 3%-10%.
The present invention also provides for the preparation method of a kind of PA toughening material utilizing waste and old PA material to prepare, preparation method be with
Lower step:
(1) by reclaim waste and old PA material through over cleaning, drench dry, pulverization process.
(2) weigh politef, zinc oxide, chlorinated polyethylene, polyether sulfone, Polyetherimide by weight, be subsequently adding
High-speed mixer is sufficiently mixed 30 minutes ~ 60 minutes, then the material mixed is added double screw extruder 250 DEG C ~ 300
DEG C, the melting time is melt blending under the conditions of 30 minutes ~ 60 minutes, then prepares Compositional type material masterbatch after cooling.
(3) weigh the PA material after dried and Compositional type material master batch by weight ratio, and add high-speed mixer
Continue to be sufficiently mixed 30 minutes ~ 60 minutes.
(4) material that step (3) mixes is added in banburying tank melts again, melt temperature 250 DEG C ~ 300 DEG C,
Melting time is 30 minutes ~ 60 minutes.
(5) material after melted is through supercooling, i.e. obtain PA toughening material after drying.
Further, the method cleaned in step (1) is: the waste and old PA material reclaimed slightly is washed in pond He Chong
Wash, enter back in rotation cleaning machine and add abluent 3 hours.
Further, drenching dry method in step (1) is: cleaned waste and old PA material is drenched dry through dewaterer dehydration.
Further, the method pulverized in step (1) is: enter fine powder drenching the waste and old PA material after doing through dehydration
Broken machine is ground into about 5cm fritter.
PA material prepared by the present invention is made up of the waste and old PA material reclaiming, and adds auxiliary agent and enter after processing waste and old PA material
Row modification, individually adds chlorinated polyethylene and can only improve the toughness of PA material, but hot strength and bending to PA material are strong
The mechanical strengths such as degree decrease, and the present invention uses politef, zinc oxide, chlorinated polyethylene, polyether sulfone, polyetherimide
Amine, Kaolin with the use of, as elastic body toughening agent, while improving composite material toughness and fatigue durability, do not change
The mechanical strength of PA material and impact resistance and corrosion resistance, prepared PA toughening material mechanical strength height, good toughness, have relatively
High tension, comprcssive strength, fatigue performance highlights, heat-resisting, corrosion-resistant.Meanwhile, during preparation PA toughening material, behaviour
Make step to simplify, it is easy to control.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can phases
Combination mutually.The present invention is described in detail below in conjunction with embodiment.
Embodiment 1
(1) the waste and old PA material reclaimed slightly washed in pond and rinsed, entering back in rotation cleaning machine and add abluent 3
Hour.
(2) cleaned waste and old PA material is drenched dry through dewaterer dehydration.
(3) it is ground into about 5cm fritter drenching the entrance fine pulverizer of the waste and old PA material after doing through dehydration.
(4) zinc oxide 130g, chlorinated polyethylene 60g, polyether sulfone: 50g, Polyetherimide 120g, politef are weighed
30g, is subsequently adding in high-speed mixer and is sufficiently mixed, then the material mixed is added double screw extruder melt blending, so
Prepare Compositional type material masterbatch after rear cooling, be subsequently adding in high-speed mixer and be sufficiently mixed 30 minutes, then the thing that will mix
Material addition double screw extruder is at 250 DEG C, and the melting time is melt blending under the conditions of 30 minutes, then prepares Compositional type after cooling
Material masterbatch.
(5) weigh the PA material 600g after dried to join in Compositional type material masterbatch, and add high-speed mixer
Continue to be sufficiently mixed 30 minutes.
(6) material step (3) mixed again is added in banburying tank with Kaolin 10g and melts, melt temperature
Controlling at 250 DEG C, the melting time is 30 minutes.
(7) material after melted is through supercooling, i.e. obtain PA toughening material after drying.
Embodiment 2
(1) the waste and old PA material reclaimed slightly washed in pond and rinsed, entering back in rotation cleaning machine and add abluent 3
Hour.
(2) cleaned waste and old PA material is drenched dry through dewaterer dehydration.
(3) it is ground into about 5cm fritter drenching the entrance fine pulverizer of the waste and old PA material after doing through dehydration.
(4) zinc oxide 50g, chlorinated polyethylene 100g, polyether sulfone 50g, Polyetherimide 40g, politef are weighed
30g, is subsequently adding in high-speed mixer and is sufficiently mixed, then the material mixed is added double screw extruder melt blending, so
Prepare Compositional type material masterbatch after rear cooling, be subsequently adding in high-speed mixer and be sufficiently mixed 30 minutes, then the thing that will mix
Material addition double screw extruder is at 300 DEG C, and the melting time is melt blending under the conditions of 30 minutes, then prepares Compositional type after cooling
Material masterbatch.
(5) weigh the PA material 700g after dried to join in Compositional type material masterbatch, and add high-speed mixer
Continue to be sufficiently mixed 60 minutes.
(6) material step (3) mixed again is added in banburying tank with Kaolin 30g and melts, melt temperature
Controlling at 300 DEG C, the melting time is 60 minutes.
(7) material after melted is through supercooling, i.e. obtain PA toughening material after drying.
Embodiment 3
(1) the waste and old PA material reclaimed slightly washed in pond and rinsed, entering back in rotation cleaning machine and add abluent 3
Hour.
(2) cleaned waste and old PA material is drenched dry through dewaterer dehydration.
(3) it is ground into about 5cm fritter drenching the entrance fine pulverizer of the waste and old PA material after doing through dehydration.
(4) zinc oxide 150g, chlorinated polyethylene 70g, polyether sulfone 60g, Polyetherimide 50g, politef are weighed
40g, is subsequently adding in high-speed mixer and is sufficiently mixed, then the material mixed is added double screw extruder melt blending, so
Prepare Compositional type material masterbatch after rear cooling, be subsequently adding in high-speed mixer and be sufficiently mixed 45 minutes, then the thing that will mix
Material addition double screw extruder is at 275 DEG C, and the melting time is melt blending under the conditions of 45 minutes, then prepares Compositional type after cooling
Material masterbatch.
(5) weigh the PA material 600g after dried to join in Compositional type material masterbatch, and add high-speed mixer
Continue to be sufficiently mixed 45 minutes.
(6) material step (3) mixed again is added in banburying tank with Kaolin 10g and melts, melt temperature
Controlling at 275 DEG C, the melting time is 45 minutes.
(7) material after melted is through supercooling, i.e. obtain PA toughening material after drying.
Embodiment 4
(1) the waste and old PA material reclaimed slightly washed in pond and rinsed, entering back in rotation cleaning machine and add abluent 3
Hour.
(2) cleaned waste and old PA material is drenched dry through dewaterer dehydration.
(3) it is ground into about 5cm fritter drenching the entrance fine pulverizer of the waste and old PA material after doing through dehydration.
(4) zinc oxide 60g, chlorinated polyethylene 80g, polyether sulfone 75g, Polyetherimide 40g, politef 65g are weighed,
It is subsequently adding in high-speed mixer and is sufficiently mixed, then the material mixed is added double screw extruder melt blending, the coldest
Prepare Compositional type material masterbatch the most afterwards, be subsequently adding in high-speed mixer and be sufficiently mixed 40 minutes, then the material mixed is added
Entering double screw extruder at 270 DEG C, the melting time is melt blending under the conditions of 40 minutes, then prepares Compositional type material after cooling
Masterbatch.
(5) weigh the PA material 650g after dried to join in Compositional type material masterbatch, and add high-speed mixer
Continue to be sufficiently mixed 40 minutes.
(6) material step (3) mixed again is added in banburying tank with Kaolin 30g and melts, melt temperature
Controlling at 270 DEG C, the melting time is 40 minutes.
(7) material after melted is through supercooling, i.e. obtain PA toughening material after drying.
Embodiment 5
(1) the waste and old PA material reclaimed slightly washed in pond and rinsed, entering back in rotation cleaning machine and add abluent 3
Hour.
(2) cleaned waste and old PA material is drenched dry through dewaterer dehydration.
(3) it is ground into about 5cm fritter drenching the entrance fine pulverizer of the waste and old PA material after doing through dehydration.
(4) zinc oxide 100g, chlorinated polyethylene 70g, polyether sulfone 60g, Polyetherimide 80g, politef are weighed
50g, is subsequently adding in high-speed mixer and is sufficiently mixed, then the material mixed is added double screw extruder melt blending, so
Prepare Compositional type material masterbatch after rear cooling, be subsequently adding in high-speed mixer and be sufficiently mixed 50 minutes, then the thing that will mix
Material addition double screw extruder is at 290 DEG C, and the melting time is melt blending under the conditions of 50 minutes, then prepares Compositional type after cooling
Material masterbatch.
(5) weigh the PA material 610g after dried to join in Compositional type material masterbatch, and add high-speed mixer
Continue to be sufficiently mixed 40 minutes.
(6) material step (3) mixed again is added in banburying tank with Kaolin 30g and melts, melt temperature
Controlling at 290 DEG C, the melting time is 50 minutes.
(7) material after melted is through supercooling, i.e. obtain PA toughening material after drying.
Embodiment 6
(1) the waste and old PA material reclaimed slightly washed in pond and rinsed, entering back in rotation cleaning machine and add abluent 3
Hour.
(2) cleaned waste and old PA material is drenched dry through dewaterer dehydration.
(3) it is ground into about 5cm fritter drenching the entrance fine pulverizer of the waste and old PA material after doing through dehydration.
(4) zinc oxide 121g, chlorinated polyethylene 59g, polyether sulfone: 50g, Polyetherimide 120g, politef are weighed
30g, is subsequently adding in high-speed mixer and is sufficiently mixed, then the material mixed is added double screw extruder melt blending, so
Prepare Compositional type material masterbatch after rear cooling, be subsequently adding in high-speed mixer and be sufficiently mixed 31 minutes, then the thing that will mix
Material addition double screw extruder is at 251 DEG C, and the melting time is melt blending under the conditions of 31 minutes, then prepares Compositional type after cooling
Material masterbatch.
(5) weigh the PA material 609g after dried to join in Compositional type material masterbatch, and add high-speed mixer
Continue to be sufficiently mixed 31 minutes.
(6) material step (3) mixed again is added in banburying tank with Kaolin 11g and melts, melt temperature
Controlling at 250 DEG C, the melting time is 31 minutes.
(7) material after melted is through supercooling, i.e. obtain PA toughening material after drying.
Embodiment 7
(1) the waste and old PA material reclaimed slightly washed in pond and rinsed, entering back in rotation cleaning machine and add abluent 3
Hour.
(2) cleaned waste and old PA material is drenched dry through dewaterer dehydration.
(3) it is ground into about 5cm fritter drenching the entrance fine pulverizer of the waste and old PA material after doing through dehydration.
(4) zinc oxide 50g, chlorinated polyethylene 100g, polyether sulfone 51g, Polyetherimide 40g, politef are weighed
30g, is subsequently adding in high-speed mixer and is sufficiently mixed, then the material mixed is added double screw extruder melt blending, so
Prepare Compositional type material masterbatch after rear cooling, be subsequently adding in high-speed mixer and be sufficiently mixed 30 minutes, then the thing that will mix
Material addition double screw extruder is at 300 DEG C, and the melting time is melt blending under the conditions of 30 minutes, then prepares Compositional type after cooling
Material masterbatch.
(5) weigh the PA material 699g after dried to join in Compositional type material masterbatch, and add high-speed mixer
Continue to be sufficiently mixed 59 minutes.
(6) material step (3) mixed again is added in banburying tank with Kaolin 30g and melts, melt temperature
Controlling at 300 DEG C, the melting time is 59 minutes.
(7) material after melted is through supercooling, i.e. obtain PA toughening material after drying.
Embodiment 8
(1) the waste and old PA material reclaimed slightly washed in pond and rinsed, entering back in rotation cleaning machine and add abluent 3
Hour.
(2) cleaned waste and old PA material is drenched dry through dewaterer dehydration.
(3) it is ground into about 5cm fritter drenching the entrance fine pulverizer of the waste and old PA material after doing through dehydration.
(4) zinc oxide 149g, chlorinated polyethylene 70g, polyether sulfone 60g, Polyetherimide 50g, politef are weighed
40g, is subsequently adding in high-speed mixer and is sufficiently mixed, then the material mixed is added double screw extruder melt blending, so
Prepare Compositional type material masterbatch after rear cooling, be subsequently adding in high-speed mixer and be sufficiently mixed 44 minutes, then the thing that will mix
Material addition double screw extruder is at 274 DEG C, and the melting time is melt blending under the conditions of 44 minutes, then prepares Compositional type after cooling
Material masterbatch.
(5) weigh the PA material 601g after dried to join in Compositional type material masterbatch, and add high-speed mixer
Continue to be sufficiently mixed 44 minutes.
(6) material step (3) mixed again is added in banburying tank with Kaolin 10g and melts, melt temperature
Controlling at 275 DEG C, the melting time is 45 minutes.
(7) material after melted is through supercooling, i.e. obtain PA toughening material after drying.
Embodiment 9
(1) the waste and old PA material reclaimed slightly washed in pond and rinsed, entering back in rotation cleaning machine and add abluent 3
Hour.
(2) cleaned waste and old PA material is drenched dry through dewaterer dehydration.
(3) it is ground into about 5cm fritter drenching the entrance fine pulverizer of the waste and old PA material after doing through dehydration.
(4) zinc oxide 70g, chlorinated polyethylene 80g, polyether sulfone 75g, Polyetherimide 40g, politef 65g are weighed,
It is subsequently adding in high-speed mixer and is sufficiently mixed, then the material mixed is added double screw extruder melt blending, the coldest
Prepare Compositional type material masterbatch the most afterwards, be subsequently adding in high-speed mixer and be sufficiently mixed 40 minutes, then the material mixed is added
Entering double screw extruder at 270 DEG C, the melting time is melt blending under the conditions of 40 minutes, then prepares Compositional type material after cooling
Masterbatch.
(5) weigh the PA material 640g after dried to join in Compositional type material masterbatch, and add high-speed mixer
Continue to be sufficiently mixed 42 minutes.
(6) material step (3) mixed again is added in banburying tank with Kaolin 30g and melts, melt temperature
Controlling at 273 DEG C, the melting time is 42 minutes.
(7) material after melted is through supercooling, i.e. obtain PA toughening material after drying.
Embodiment 10
(1) the waste and old PA material reclaimed slightly washed in pond and rinsed, entering back in rotation cleaning machine and add abluent 3
Hour.
(2) cleaned waste and old PA material is drenched dry through dewaterer dehydration.
(3) it is ground into about 5cm fritter drenching the entrance fine pulverizer of the waste and old PA material after doing through dehydration.
(4) zinc oxide 90g, chlorinated polyethylene 80g, polyether sulfone 60g, Polyetherimide 70g, politef 50g are weighed,
It is subsequently adding in high-speed mixer and is sufficiently mixed, then the material mixed is added double screw extruder melt blending, the coldest
Prepare Compositional type material masterbatch the most afterwards, be subsequently adding in high-speed mixer and be sufficiently mixed 50 minutes, then the material mixed is added
Entering double screw extruder at 295 DEG C, the melting time is melt blending under the conditions of 41 minutes, then prepares Compositional type material after cooling
Masterbatch.
(5) weigh the PA material 620g after dried to join in Compositional type material masterbatch, and add high-speed mixer
Continue to be sufficiently mixed 40 minutes.
(6) material step (3) mixed again is added in banburying tank with Kaolin 30g and melts, melt temperature
Controlling at 290 DEG C, the melting time is 50 minutes.
(7) material after melted is through supercooling, i.e. obtain PA toughening material after drying.
Embodiment 11
(1) the waste and old PA material reclaimed slightly washed in pond and rinsed, entering back in rotation cleaning machine and add abluent 3
Hour.
(2) cleaned waste and old PA material is drenched dry through dewaterer dehydration.
(3) it is ground into about 5cm fritter drenching the entrance fine pulverizer of the waste and old PA material after doing through dehydration.
(4) zinc oxide 110g, chlorinated polyethylene 60g, polyether sulfone 50g, Polyetherimide 130g, politef are weighed
30g, is subsequently adding in high-speed mixer and is sufficiently mixed, then the material mixed is added double screw extruder melt blending, so
Prepare Compositional type material masterbatch after rear cooling, be subsequently adding in high-speed mixer and be sufficiently mixed 30 minutes, then the thing that will mix
Material addition double screw extruder is at 250 DEG C, and the melting time is melt blending under the conditions of 30 minutes, then prepares Compositional type after cooling
Material masterbatch.
(5) weigh the PA material 610g after dried to join in Compositional type material masterbatch, and add high-speed mixer
Continue to be sufficiently mixed 30 minutes.
(6) material step (3) mixed again is added in banburying tank with Kaolin 10g and melts, melt temperature
Controlling at 250 DEG C, the melting time is 30 minutes.
(7) material after melted is through supercooling, i.e. obtain PA toughening material after drying.
Embodiment 12
(1) the waste and old PA material reclaimed slightly washed in pond and rinsed, entering back in rotation cleaning machine and add abluent 3
Hour.
(2) cleaned waste and old PA material is drenched dry through dewaterer dehydration.
(3) it is ground into about 5cm fritter drenching the entrance fine pulverizer of the waste and old PA material after doing through dehydration.
(4) zinc oxide 55g, chlorinated polyethylene 100g, polyether sulfone 50g, Polyetherimide 40g, politef are weighed
30g, is subsequently adding in high-speed mixer and is sufficiently mixed, then the material mixed is added double screw extruder melt blending, so
Prepare Compositional type material masterbatch after rear cooling, be subsequently adding in high-speed mixer and be sufficiently mixed 34 minutes, then the thing that will mix
Material addition double screw extruder is at 290 DEG C, and the melting time is melt blending under the conditions of 34 minutes, then prepares Compositional type after cooling
Material masterbatch.
(5) weigh the PA material 695g after dried to join in Compositional type material masterbatch, and add high-speed mixer
Continue to be sufficiently mixed 60 minutes.
(6) material step (3) mixed again is added in banburying tank with Kaolin 30g and melts, melt temperature
Controlling at 290 DEG C, the melting time is 60 minutes.
(7) material after melted is through supercooling, i.e. obtain PA toughening material after drying.
Embodiment 13
(1) the waste and old PA material reclaimed slightly washed in pond and rinsed, entering back in rotation cleaning machine and add abluent 3
Hour.
(2) cleaned waste and old PA material is drenched dry through dewaterer dehydration.
(3) it is ground into about 5cm fritter drenching the entrance fine pulverizer of the waste and old PA material after doing through dehydration.
(4) zinc oxide 140g, chlorinated polyethylene 70g, polyether sulfone 60g, Polyetherimide 50g, politef are weighed
40g, is subsequently adding in high-speed mixer and is sufficiently mixed, then the material mixed is added double screw extruder melt blending, so
Prepare Compositional type material masterbatch after rear cooling, be subsequently adding in high-speed mixer and be sufficiently mixed 42 minutes, then the thing that will mix
Material addition double screw extruder is at 272 DEG C, and the melting time is melt blending under the conditions of 42 minutes, then prepares Compositional type after cooling
Material masterbatch.
(5) weigh the PA material 610g after dried to join in Compositional type material masterbatch, and add high-speed mixer
Continue to be sufficiently mixed 42 minutes.
(6) material step (3) mixed again is added in banburying tank with Kaolin 10g and melts, melt temperature
Controlling at 272 DEG C, the melting time is 42 minutes.
(7) material after melted is through supercooling, i.e. obtain PA toughening material after drying.
Embodiment 14
(1) the waste and old PA material reclaimed slightly washed in pond and rinsed, entering back in rotation cleaning machine and add abluent 3
Hour.
(2) cleaned waste and old PA material is drenched dry through dewaterer dehydration.
(3) it is ground into about 5cm fritter drenching the entrance fine pulverizer of the waste and old PA material after doing through dehydration.
(4) zinc oxide 65g, chlorinated polyethylene 70g, polyether sulfone 75g, Polyetherimide 40g, politef 60g are weighed,
It is subsequently adding in high-speed mixer and is sufficiently mixed, then the material mixed is added double screw extruder melt blending, the coldest
Prepare Compositional type material masterbatch the most afterwards, be subsequently adding in high-speed mixer and be sufficiently mixed 48 minutes, then the material mixed is added
Entering double screw extruder at 278 DEG C, the melting time is melt blending under the conditions of 48 minutes, then prepares Compositional type material after cooling
Masterbatch.
(5) weigh the PA material 660g after dried to join in Compositional type material masterbatch, and add high-speed mixer
Continue to be sufficiently mixed 48 minutes.
(6) material step (3) mixed again is added in banburying tank with Kaolin 30g and melts, melt temperature
Controlling at 277 DEG C, the melting time is 43 minutes.
(7) material after melted is through supercooling, i.e. obtain PA toughening material after drying.
Embodiment 15
(1) the waste and old PA material reclaimed slightly washed in pond and rinsed, entering back in rotation cleaning machine and add abluent 3
Hour.
(2) cleaned waste and old PA material is drenched dry through dewaterer dehydration.
(3) it is ground into about 5cm fritter drenching the entrance fine pulverizer of the waste and old PA material after doing through dehydration.
(4) zinc oxide 94g, chlorinated polyethylene 76g, polyether sulfone 68g, Polyetherimide 72g, politef 60g are weighed,
It is subsequently adding in high-speed mixer and is sufficiently mixed, then the material mixed is added double screw extruder melt blending, the coldest
Prepare Compositional type material masterbatch the most afterwards, be subsequently adding in high-speed mixer and be sufficiently mixed 52 minutes, then the material mixed is added
Entering double screw extruder at 293 DEG C, the melting time is melt blending under the conditions of 52 minutes, then prepares Compositional type material after cooling
Masterbatch.
(5) weigh the PA material 600g after dried to join in Compositional type material masterbatch, and add high-speed mixer
Continue to be sufficiently mixed 40 minutes.
(6) material step (3) mixed again is added in banburying tank with Kaolin 30g and melts, melt temperature
Controlling at 292 DEG C, the melting time is 53 minutes.
(7) material after melted is through supercooling, i.e. obtain PA toughening material after drying.
Experimental example 1
The embodiment of the present invention 1 ~ 15 material and common PA material do performance test, and performance is shown in Table 1.
Table 1 performance synopsis
| Material | Heat distortion temperature (0.18Mpa)/DEG C | Bending strength/MPa | Hot strength/MPa | Bending die degree/GPa | Elongation at break/% | Notch impact strength/J m<sup>-1</sup> |
| Common PA material | 65 | 114 | 85 | 3.0 | 30 | 40 |
| Embodiment 1 material | 135 | 130 | 100 | 4.0 | 15 | 40 |
| Embodiment 2 material | 136 | 132 | 102 | 4.1 | 17 | 41 |
| Embodiment 3 material | 134 | 131 | 101 | 4.1 | 16 | 41 |
| Embodiment 4 material | 133 | 132 | 101 | 4.1 | 16 | 42 |
| Embodiment 5 material | 135 | 130 | 100 | 4.0 | 15 | 40 |
| Embodiment 6 material | 137 | 137 | 108 | 4.4 | 18 | 43 |
| Embodiment 7 material | 136 | 139 | 105 | 4.3 | 16 | 46 |
| Embodiment 8 material | 139 | 138 | 106 | 4.2 | 19 | 43 |
| Embodiment 9 material | 137 | 137 | 107 | 4.7 | 17 | 42 |
| Embodiment 10 material | 139 | 139 | 109 | 4.4 | 18 | 43 |
| Embodiment 11 material | 138 | 138 | 110 | 4.3 | 16 | 41 |
| Embodiment 12 material | 137 | 131 | 106 | 4.2 | 17 | 42 |
| Embodiment 13 material | 139 | 136 | 105 | 4.1 | 13 | 41 |
| Embodiment 14 material | 138 | 136 | 104 | 4.2 | 15 | 40 |
| Embodiment 15 material | 137 | 135 | 103 | 4.4 | 15 | 40 |
From above-mentioned test example, the properties of material of the present invention is above common PA material.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (9)
1. utilizing a PA toughening material prepared by waste and old PA material, the PA toughening material of preparation is to be passed through back by waste and old PA material
Receive, cleaned material adds auxiliary agent and makes, it is characterised in that the percentage by weight of the described each composition of PA toughening material
For:
Waste and old PA material 60%-70%
Zinc oxide 5%-15%
Chlorinated polyethylene 6%-10%
Kaolin 1%-5%
Polyether sulfone 5%-10%
Polyetherimide 4%-12%
Politef 3%-10%.
2. the preparation method of the PA toughening material utilizing waste and old PA material to prepare, it is characterised in that preparation method is following
Step:
By the waste and old PA material reclaimed through over cleaning, drench dry, pulverization process；
Weigh politef, zinc oxide, chlorinated polyethylene, polyether sulfone, Polyetherimide by weight, be subsequently adding mixed at high speed
Machine is sufficiently mixed, then the material mixed is added double screw extruder melt blending, then after cooling, prepare compounding section bar
Material masterbatch；
Weigh the PA material after dried and Compositional type material master batch by weight ratio, and add high-speed mixer continuation fully
Mixing；
Material step (3) mixed again is added in banburying tank with Kaolin and melts；
Material after Rong Rong is through supercooling, i.e. obtain PA toughening material after drying.
The preparation method of PA toughening material the most according to claim 2, it is characterised in that: the method cleaned in step (1)
For: the waste and old PA material reclaimed slightly is washed in pond and rinsed, enters back into addition abluent 3 in rotation cleaning machine little
Time.
The preparation method of PA toughening material the most according to claim 2, it is characterised in that: step drenches dry method in (1)
For: cleaned waste and old PA material is drenched dry through dewaterer dehydration.
The preparation method of PA toughening material the most according to claim 2, it is characterised in that: the method pulverized in step (1)
For: it is ground into about 5cm fritter drenching the entrance fine pulverizer of the waste and old PA material after doing through dehydration.
The preparation method of PA toughening material the most according to claim 2, it is characterised in that: step (2) high speed mixer
In the well-mixed time be: 30 minutes ~ 60 minutes.
The preparation method of PA toughening material the most according to claim 2, it is characterised in that: the thing mixed in step (2)
Material adds the condition of double screw extruder melt blending: temperature 250 DEG C ~ 300 DEG C, the melting time is 30 minutes ~ 60 minutes.
The preparation method of PA toughening material the most according to claim 2, it is characterised in that: step (3) high speed mixer
Mixing time be: 30 minutes ~ 60 minutes.
The preparation method of PA toughening material the most according to claim 2, it is characterised in that: method melted in step (4)
For: temperature 250 DEG C ~ 300 DEG C, the melting time is 30 minutes ~ 60 minutes.
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| CN103073885A (en) * | 2012-10-22 | 2013-05-01 | 镇江铁科橡塑制品有限公司 | Nylon composition for wind-blown sand spinning sand filter and preparation method thereof |
| CN104419202A (en) * | 2013-09-11 | 2015-03-18 | 安徽科聚新材料有限公司 | Abrasion-resistant polytetrafluoroethylene and aramid fiber reinforced-modified PA66 material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103073885A (en) * | 2012-10-22 | 2013-05-01 | 镇江铁科橡塑制品有限公司 | Nylon composition for wind-blown sand spinning sand filter and preparation method thereof |
| CN104419202A (en) * | 2013-09-11 | 2015-03-18 | 安徽科聚新材料有限公司 | Abrasion-resistant polytetrafluoroethylene and aramid fiber reinforced-modified PA66 material and preparation method thereof |
| CN105219074A (en) * | 2015-11-09 | 2016-01-06 | 沈阳化工大学 | Isomerism crosslinking toughen and intensify reclaims nylon and preparation method thereof |
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Application publication date: 20161109 |