CN102532856A - PC (Polycarbonate) secondary material and TPU (Thermoplastic Polyurethane) secondary material recovery composition and preparation method thereof - Google Patents

PC (Polycarbonate) secondary material and TPU (Thermoplastic Polyurethane) secondary material recovery composition and preparation method thereof Download PDF

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Publication number
CN102532856A
CN102532856A CN2012100371252A CN201210037125A CN102532856A CN 102532856 A CN102532856 A CN 102532856A CN 2012100371252 A CN2012100371252 A CN 2012100371252A CN 201210037125 A CN201210037125 A CN 201210037125A CN 102532856 A CN102532856 A CN 102532856A
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CN
China
Prior art keywords
tpu
defective material
secondary material
composition
recovering composition
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Pending
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CN2012100371252A
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Chinese (zh)
Inventor
黄淦
王长明
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Janus Dongguan Precision Components Co Ltd
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Janus Dongguan Precision Components Co Ltd
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Priority to CN2012100371252A priority Critical patent/CN102532856A/en
Publication of CN102532856A publication Critical patent/CN102532856A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/04—Particle-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895—Barrel or housing

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

The invention provides a PC (Polycarbonate) secondary material and TPU (Thermoplastic Polyurethane) secondary material recovery composition and a preparation method thereof. The method comprises the following steps of: blowing to dry PC secondary material under the condition of 100 DEG C for 4-6 hours; drying TPU secondary material at the constant temperature of 50 DEG C for 4-6 hours; weighing dried PC secondary material, TPU secondary material, dispersing agent, lubricant, antioxidant and compatibilizer in a weight ratio and putting into a high-speed mixer to perform high-speed mixing for 3-5 minutes; and adding mixture mixed by the high-speed mixer into a hopper of a double-screw extruder to plasticize, extrude, cool, granulate, dry and package. PC modified material recovered by the method has equivalent mechanical property and thermal performance to a PC new material and can be fully reutilized to form a new product, so that the PC secondary material and the TPU secondary material are economically recycled, the pollution caused to natural environment is eliminated, and the composition and the method have better economic benefit and social benefit.

Description

A kind of PC defective material and TPU disposable recovering composition and preparation method thereof
Technical field:
The present invention relates to technical field of polymer materials, relate in particular to a kind of PC defective material and TPU disposable recovering composition and preparation method thereof.
Background technology:
PC is a kind of armorphous thermoplastic resin of high comprehensive performance, has excellent electrical insulating property, dimensional stability and chemical resistance, higher intensity, thermotolerance and winter hardiness.Its intensity can satisfy the various needs from the mobile phone to the splinter-proof glass.
TPU (Thermoplastic polyurethanes) is the thermoplastic elastic body rubber, this material supporting capacity, shock resistance, wear-resisting and elasticity outstanding.
PC and TPU Application Areas are very extensive at present, can be applicable to fields such as electronic product, household electrical appliance, office appliance and automobile.Inevitably can produce a large amount of mouth of a river material at these process of producing product, how these defective materials being utilized again becomes a problem.If burn these defective materials or abandon, can cause atmospheric pollution or soil pollution, be unfavorable for environmental protection; A lot of producers directly bring utilization and produce, are downgraded to common plastics to this project plastics like this and use, and have caused certain wasting of resources.
Summary of the invention:
The object of the invention is exactly the deficiency that exists to prior art and a kind of mechanical strength height, good toughness, PC defective material and TPU disposable recovering composition that resistance toheat is high are provided, and the preparation method of this PC defective material and TPU disposable recovering composition also is provided simultaneously.
To achieve these goals, the technical scheme of the present invention's employing is:
A kind of PC defective material and TPU disposable recovering composition, it comprises the raw material of following weight part:
Figure BDA0000136379470000021
Said diffusant is EBS (N, N-Ethylene Bis-stearamide, a vinyl bis-stearamides).
Said oxidation inhibitor is one or both the mixture in hindered phenol antioxygen 1010, the phosphorous acid kind antioxidant 168.
Said lubricant is EBS.
Said compatilizer is a maleic anhydride graft compatilizer 1104.
Preferably, it comprises the raw material of following weight part:
The present invention also discloses the preparation method of a kind of PC defective material and TPU disposable recovering composition, and it includes following steps:
A, with the forced air drying 4～6 hours under 100 ℃ of conditions of PC defective material;
B, take by weighing dry good PC defective material, TPU defective material, diffusant, oxidation inhibitor, lubricant, compatilizer by weight ratio and put into the high-speed mixer high speed and mixed 3～5 minutes;
C, the mixture that premix in the high-speed mixer is good join in the twin screw extruder hopper, plastify, extrude, cooling, pelletizing, drying, packing.
The extruder temperature of said twin screw extruder is controlled between 240～255 ℃, 300～450 rev/mins of screw speeds.
Beneficial effect of the present invention is: the present invention has mechanical property and the thermal property suitable with the PC virgin material through PC defective material and the TPU defective material that this method reclaims modification, can be used to the new product of moulding again more fully; Make PC defective material and TPU defective material obtain economic recycling, eliminated its pollution, have favorable economic benefit and social benefit physical environment.
Description of drawings:
Fig. 1 is PC defective material of the present invention and TPU disposable recovering composition preparing method's schematic flow sheet.
Embodiment:
For more detailed explanation summary of the invention of the present invention, further specify below in conjunction with specific embodiment.
Embodiment 1:
See also Fig. 1, the forced air drying 5 hours under 100 ℃ of conditions of the PC defective material of first weighing 900g, PC defective material; The TPU defective material of weighing 45g freeze-day with constant temperature 5 hours under 50 ℃ of conditions; The EBS of weighing 3g, 1g 1010,1g 168,30g 1104; Then that drying is good PC defective material and TPU defective material are put into high-speed mixer high speed pre-mixing 5 minutes together with material such as various above auxiliary agents; Raw mix that will premix is good in high-speed mixer joins in the twin screw extruder hopper and plastifies, extrudes, cooling, pelletizing, drying, packing; The extruder temperature of twin screw extruder is controlled between 240～255 ℃, and screw speed is 350 rev/mins.Wherein, EBS is a diffusant, and 1010,168 are all oxidation inhibitor, and EBS is that lubricant, 1104 is compatilizer.
Embodiment 2:
See also Fig. 1, the forced air drying 5 hours under 100 ℃ of conditions of the PC defective material of first weighing 950g, PC defective material; The TPU defective material of weighing 20g freeze-day with constant temperature 5 hours under 50 ℃ of conditions; The EBS of weighing 3g, 1g 1010,1g 168,25g 1104; Then that drying is good PC defective material and TPU defective material are put into high-speed mixer high speed pre-mixing 5 minutes together with material such as various above auxiliary agents; Raw mix that will premix is good in high-speed mixer joins in the twin screw extruder hopper and plastifies, extrudes, cooling, pelletizing, drying, packing; The extruder temperature of twin screw extruder is controlled between 240～255 ℃, and screw speed is 350 rev/mins.Wherein, EBS is a diffusant, and 1010,168 are all oxidation inhibitor, and EBS is that lubricant, 1104 is compatilizer.
Embodiment 3:
See also Fig. 1, the forced air drying 5 hours under 100 ℃ of conditions of the PC defective material of first weighing 935g, PC defective material; The TPU defective material of weighing 30g freeze-day with constant temperature 5 hours under 50 ℃ of conditions; The EBS of weighing 3g, 1g 1010,1g 168,30g 1104; Then that drying is good PC defective material and TPU defective material are put into high-speed mixer high speed pre-mixing 5 minutes together with material such as various above auxiliary agents; Raw mix that will premix is good in high-speed mixer joins in the twin screw extruder hopper and plastifies, extrudes, cooling, pelletizing, drying, packing; The extruder temperature of twin screw extruder is controlled between 240～255 ℃, and screw speed is 350 rev/mins.Wherein, EBS is a diffusant, and 1010,168 are all oxidation inhibitor, and EBS is that lubricant, 1104 is compatilizer.
The composition and the performance of table 1 PC disposable recovering composition:
Figure BDA0000136379470000041
Figure BDA0000136379470000051
Wherein, following standard is adopted in performance test:
Tensile property test: the mensuration part 2 of GB/T1040.2-2006 plastic tensile property: the test conditions of moulding and extrusion molding plastics;
Bending property test: the mensuration of GB/T9341-2008 plastics bending property;
Impact property test: the mensuration of GB/T1843-2008 plastics cantilever beam impact strength;
Heat-drawn wire test: the mensuration part 2 of GB/T1634.2-2004 plastics load deformation temperature: plastics, vulcanite and macrofiber reinforced composite.
In sum; Test result by last table can be found out; The PC defective material and the TPU disposable recovering composition that make through the present invention have mechanical property and the thermal property suitable with the PC virgin material, can be used to the new product of moulding again more fully, make PC defective material and TPU defective material obtain economic recycling; Eliminated its pollution, had favorable economic benefit and social benefit physical environment.
Certainly, the above only is preferred embodiment of the present invention, so all equivalences of doing according to the described structure of patent claim of the present invention, characteristic and principle change or modify, includes in patent claim of the present invention.

Claims (8)

1. PC defective material and TPU disposable recovering composition is characterized in that it comprises the raw material of following weight part:
2. a kind of PC defective material according to claim 1 and TPU disposable recovering composition is characterized in that: said diffusant is EBS.
3. a kind of PC defective material according to claim 1 and TPU disposable recovering composition is characterized in that: said oxidation inhibitor is one or both the mixture in hindered phenol antioxygen 1010, the phosphorous acid kind antioxidant 168.
4. a kind of PC defective material according to claim 1 and TPU disposable recovering composition is characterized in that: said lubricant is EBS.
5. a kind of PC defective material according to claim 1 and TPU disposable recovering composition is characterized in that: said compatilizer is a maleic anhydride graft compatilizer 1104.
6. a kind of PC defective material according to claim 3 and TPU disposable recovering composition is characterized in that it comprises the raw material of following weight part:
Figure FDA0000136379460000012
Figure FDA0000136379460000021
7. the preparation method of PC defective material and TPU disposable recovering composition is characterized in that it includes following steps:
A, with the forced air drying 4～6 hours under 100 ℃ of conditions of PC defective material, with TPU defective material freeze-day with constant temperature 4～6 hours under 50 ℃ of conditions;
B, take by weighing dry good PC defective material, TPU defective material by weight ratio and put into the high-speed mixer high speed with diffusant, compatilizer, oxidation inhibitor, lubricant and mixed 3～5 minutes;
C, the mixture that premix in the high-speed mixer is good join in the twin screw extruder hopper, through plasticizing, extrude, cooling, pelletizing, drying, packing.
8. the preparation method of a kind of PC disposable recovering composition according to claim 7 is characterized in that: the extruder temperature of said twin screw extruder is controlled between 240～255 ℃, 300～450 rev/mins of screw speeds.
CN2012100371252A 2012-02-17 2012-02-17 PC (Polycarbonate) secondary material and TPU (Thermoplastic Polyurethane) secondary material recovery composition and preparation method thereof Pending CN102532856A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110885550A (en) * 2019-11-29 2020-03-17 东莞市吉鑫高分子科技有限公司 Organic silicon modified thermoplastic polyurethane elastomer and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101709142A (en) * 2009-11-13 2010-05-19 北京化工大学 High-toughness halogen-free flame-retardanting reclaimed polycarbonate compound and preparation method thereof
CN102070894A (en) * 2011-01-19 2011-05-25 烟台万华聚氨酯股份有限公司 High-fluidity high-impact-resistance scraping-resistance polycarbonate composition and preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101709142A (en) * 2009-11-13 2010-05-19 北京化工大学 High-toughness halogen-free flame-retardanting reclaimed polycarbonate compound and preparation method thereof
CN102070894A (en) * 2011-01-19 2011-05-25 烟台万华聚氨酯股份有限公司 High-fluidity high-impact-resistance scraping-resistance polycarbonate composition and preparation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110885550A (en) * 2019-11-29 2020-03-17 东莞市吉鑫高分子科技有限公司 Organic silicon modified thermoplastic polyurethane elastomer and preparation method thereof
CN110885550B (en) * 2019-11-29 2021-09-17 东莞市吉鑫高分子科技有限公司 Organic silicon modified thermoplastic polyurethane elastomer and preparation method thereof

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Application publication date: 20120704