CN102268175A - Method for preparing plastic bench by utilizing biaxially oriented polyethylene glycol terephthalate tangle film reclaimed material - Google Patents
Method for preparing plastic bench by utilizing biaxially oriented polyethylene glycol terephthalate tangle film reclaimed material Download PDFInfo
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- CN102268175A CN102268175A CN2011101405270A CN201110140527A CN102268175A CN 102268175 A CN102268175 A CN 102268175A CN 2011101405270 A CN2011101405270 A CN 2011101405270A CN 201110140527 A CN201110140527 A CN 201110140527A CN 102268175 A CN102268175 A CN 102268175A
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- China
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- district
- polyethylene terephthalate
- reclaimed materials
- way stretch
- film reclaimed
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Classifications
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- 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
- 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
- B29C48/92—Measuring, controlling or regulating
-
- 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
-
- 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
- B29C2948/92904—Die; Nozzle zone
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention relates to a method for preparing a plastic bench by utilizing a biaxially oriented polyethylene glycol terephthalate tangle film reclaimed material. The method comprises the following steps: based on 75-84 parts by weight of BOPET (biaxial orientation polyester) tangle film reclaimed material as a basic raw material, adding 13-18 parts by weight of polyolefin elastomer (POE), 2-5 parts by weight of POE-g-MAH (maleic anhydride), 0.4-0.8 part by weight of tri[2,4-di-tert-butyl phenyl]phosphite, 0.4-0.8 part by weight of tri(1,2,2,6,6-pentamethyl piperidyl)phosphite and 0.2-0.4 part by weight of phthalocyanine blue; and smashing, drying, mixing, extruding and injecting so as to obtain the plastic bench. The plastic bench prepared by using the method has the characteristics of high compression strength, good shock resistance property, long service life and the like, and is applicable to places such as athletic fields, gymnasium, parks and the like.
Description
Technical field
The present invention relates to the preparation method of plastics stool, a kind of specifically two-way stretch polyethylene terephthalate torsion film reclaimed materials prepares the method for plastics stool.
Background technology
Two-way stretch polyethylene terephthalate torsion film (BOPET torsion film) has the transmittance height, the kink performance is good, barrier is good, nonpoisonous and tasteless, characteristics such as wholesomeness is good, be fit to various mechanical packagings, Manual Packaging, be widely used in the kink packing of candy, chocolate, dried beef, preserved fruit, cooked product.Because the BOPET torsion film mostly is disposable use, along with abandoning in a large number after the use of BOPET torsion film, the wasting of resources that causes thus and white pollution problems are serious day by day.How to effectively utilize discarded this resource of BOPET torsion film, will discard the BOPET torsion film and reclaim modification, preparation high-performance, plastics have cheaply caused material engineering area research personnel's concern and attention.
BOPET torsion film main component is polyethylene terephthalate (PET), accounts for mass parts more than 95%, and other composition is antitackiness agent and static inhibitor etc.Discarded BOPET torsion film reclaims and has in the course of processing that crystallization velocity is slow, processing temperature is higher, shaping cycle is long, makes problems such as fragility is big behind the product, yield rate is low.Therefore, how improving the crystallization velocity of discarded BOPET torsion film effectively, shorten the machine-shaping cycle, improve the goods shock resistance, is to reclaim the key that discarded BOPET torsion film prepares plastics.
In recent years, some researchists adopt capacity increasing modifying or nucleater modified technology to improve resistance to impact shock, crystallization velocity and the processing characteristics that reclaims PET both at home and abroad, as to adopt the PET bottle reclaimed material be body material, metallocene linear-low density polyethylene (m-LLDPE) is a toughening material, ethylene-ethyl acrylate copolymer (EEA) and ethylene-octene copolymer (POE) are compatilizer, lanthanum trioxide is a nucleator, the preparation plastic pipe; And for example, with the PET bottle reclaimed material is basic raw material, add styrene-butadiene-styrene block copolymer (SBS), maleic anhydride graft styrene-ethylene-butadiene-styrene block copolymer (SEBS-g-MAH), yellow soda ash, antioxidant 1010, the preparation water shoot; For another example, be basic raw material with the PET bottle reclaimed material, thermoplasticity Ethylene Propylene Terpolymer dynamic perduren (TPV) is a toughening material, ethylene-ethyl acrylate copolymer (EEA) is a compatilizer, the preparation plastic mould.Retrieve a large amount of patent documentations and the research paper of publishing, it is basic raw material that Shang Weijian adopts BOPET torsion film reclaimed materials, add ethylene-octene copolymer (POE), maleic anhydride grafted ethene-octene copolymer (POE-g-MAH), three ［ 2.4-di-tert-butyl-phenyl ］ phosphorous acid ester, three (1,2,2,6,6-pentamethyl-piperidyl) phosphorous acid ester, phthalocyanine blue, by pulverize, dry, mix, extrude, report that injection technique prepares the plastics stool.
Summary of the invention
Reclaim and have in the course of processing that crystallization velocity is slow, processing temperature is higher, shaping cycle is long, make defectives such as fragility is big behind the product, yield rate is low in order to overcome discarded BOPET torsion film, the invention provides the method that a kind of BOPET torsion film reclaimed materials prepares the plastics stool.Present method is a basic raw material with two-way stretch polyethylene terephthalate torsion film (BOPET torsion film) reclaimed materials, add ethylene-octene copolymer (POE), maleic anhydride grafted ethene-octene copolymer (POE-g-MAH), three ［ 2.4-di-tert-butyl-phenyl ］ phosphorous acid ester, three (1,2,2,6,6-pentamethyl-piperidyl) phosphorous acid ester, phthalocyanine blue, by pulverize, dry, mix, extrude, injection technique processes.The plastics stool of this method preparation has characteristics such as ultimate compression strength height, shock resistance are good, long service life, is applicable to places such as sports center, gymnasium, park.
In order to realize that the technical scheme that the object of the invention adopts is:
Material and prescription
BOPET torsion film reclaimed materials 75～84 weight parts, POE 13～18 weight parts, POE-g-MAH 2～5 weight parts, three ［ 2.4-di-tert-butyl-phenyl ］ phosphorous acid ester, 0.4～0.8 weight part, three (1,2,2,6,6-pentamethyl-piperidyl) phosphorous acid ester 0.4～0.8 weight part, phthalocyanine blue 0.2～0.4 weight part.
The preparation method
After will reclaiming BOPET torsion film dusting out and impurity, place crusher, be ground into film fragments; Film fragments is put into electric drying oven with forced convection, 145 ± 1 ℃ of control electric drying oven with forced convection temperature, dry 4h; The weighing of dried BOPET torsion film fragment is placed homogenizer, add POE, POE-g-MAH, three ［ 2.4-di-tert-butyl-phenyl ］ phosphorous acid ester, three (1 after measuring successively, 2,2,6,6-pentamethyl-piperidyl) phosphorous acid ester and phthalocyanine blue are controlled homogenizer rotating speed 250r/min, 108 ± 1 ℃ of temperature, are mixed 10min, stir into compound; Compound is placed conical parallel dual-screw extruding machine, control conical parallel dual-screw extruding machine barrel temperature is 187～192 ℃ in I district, 206～213 ℃ in II district, 224～232 ℃ in III district, 238～245 ℃ in IV district, 250～255 ℃ in V district, 258～263 ℃ in VI district, die head temperature is 257～260 ℃, and extrusion plasticizing becomes particulate material; Particulate material is placed injection moulding machine, control injection moulding machine barrel temperature is 196～202 ℃ in I district, 208～215 ℃ in II district, 225～232 ℃ in III district, 240～246 ℃ in IV district, 255～260 ℃ in V district, 253～256 ℃ of nozzle temperatures are injected into the plastics stool.
POE of the present invention, its shore a hardness are 86 degree, and its density is 0.885 g/cm
3
Maleic anhydride grafting ratio is 2.38% of a POE-g-MAH mass parts among the POE-g-MAH of the present invention.
The invention has the beneficial effects as follows: 1. adopting POE is toughening material, and BOPET torsion film reclaimed materials is carried out blending and modifying, makes that crystallization velocity is accelerated in the BOPET torsion film reclaimed materials molding process, and shaping cycle shortens, and snappiness improves; 2. adopting POE-g-MAH is compatilizer, BOPET torsion film reclaimed materials and POE co-mixing system are carried out interface modification, improved the alternate consistency of PET and POE two, improve the alternate interfacial adhesion of BOPET torsion film reclaimed materials and POE two, increased substantially the resistance to impact shock and the elongation at break of PET/POE intermingling material; 3. add three ［ 2.4-di-tert-butyl-phenyl ］ phosphorous acid ester and three (1,2,2,6,6-pentamethyl-piperidyl) phosphorous acid ester, obviously improve the resistance toheat in the PET/POE intermingling material molding process and the weather resistance of goods; 4. adopt the plastics stool of present method preparation, have characteristics such as ultimate compression strength height, shock resistance are good, long service life, be applicable to places such as sports center, gymnasium, park.
Embodiment
Embodiment 1
After will reclaiming BOPET torsion film dusting out and impurity, place crusher, be ground into film fragments; Film fragments is put into electric drying oven with forced convection, 145 ℃ of control electric drying oven with forced convection temperature, dry 4h; Take by weighing dried BOPET torsion film fragment 80Kg and place homogenizer, adding shore a hardness successively is that 86 degree, density are 0.885 g/cm
3POE 15Kg, POE-g-MAH 3.5Kg, three ［ 2.4-di-tert-butyl-phenyl ］ the phosphorous acid ester 0.6Kg, three (1 that maleic anhydride grafting ratio is POE-g-MAH mass parts 2.38%, 2,2,6,6-pentamethyl-piperidyl) phosphorous acid ester 0.6 Kg, phthalocyanine blue 0.3 Kg, control homogenizer rotating speed 250r/min, 108 ℃ of temperature, mix 10min, stir into compound; Compound is placed conical parallel dual-screw extruding machine, control conical parallel dual-screw extruding machine barrel temperature is 190 ℃ in I district, 208 ℃ in II district, 228 ℃ in III district, 240 ℃ in IV district, 253 ℃ in V district, 261 ℃ in VI district, die head temperature is 259 ℃, and extrusion plasticizing becomes particulate material; Particulate material is placed injection moulding machine, and control injection moulding machine barrel temperature is 200 ℃ in I district, 212 ℃ in II district, 230 ℃ in III district, 243 ℃ in IV district, 258 ℃ in V district, and nozzle temperature is 255 ℃, is injected into the plastics stool.
Embodiment 2
After will reclaiming BOPET torsion film dusting out and impurity, place crusher, be ground into film fragments; Film fragments is put into electric drying oven with forced convection, 144 ℃ of control electric drying oven with forced convection temperature, dry 4h; Take by weighing dried BOPET torsion film fragment 75Kg and place homogenizer, adding shore a hardness successively is that 86 degree, density are 0.885 g/cm
3POE 17Kg, POE-g-MAH 2.0Kg, three ［ 2.4-di-tert-butyl-phenyl ］ the phosphorous acid ester 0.45Kg, three (1 that maleic anhydride grafting ratio is POE-g-MAH mass parts 2.38%, 2,2,6,6-pentamethyl-piperidyl) phosphorous acid ester 0.75 Kg, phthalocyanine blue 0.2 Kg, control homogenizer rotating speed 250r/min, 107 ℃ of temperature, mix 10min, stir into compound; Compound is placed conical parallel dual-screw extruding machine, control conical parallel dual-screw extruding machine barrel temperature is 187 ℃ in I district, 210 ℃ in II district, 230 ℃ in III district, 242 ℃ in IV district, 250 ℃ in V district, 263 ℃ in VI district, die head temperature is 260 ℃, and extrusion plasticizing becomes particulate material; Particulate material is placed injection moulding machine, and control injection moulding machine barrel temperature is 196 ℃ in I district, 215 ℃ in II district, 232 ℃ in III district, 246 ℃ in IV district, 257 ℃ in V district, and nozzle temperature is 253 ℃, is injected into the plastics stool.
Embodiment 3
After will reclaiming BOPET torsion film dusting out and impurity, place crusher, be ground into film fragments; Film fragments is put into electric drying oven with forced convection, 146 ℃ of control electric drying oven with forced convection temperature, dry 4h; Take by weighing dried BOPET torsion film fragment 84Kg and place homogenizer, adding shore a hardness successively is that 86 degree, density are 0.885 g/cm
3POE 14Kg, POE-g-MAH5Kg, three ［ 2.4-di-tert-butyl-phenyl ］ the phosphorous acid ester 0.7Kg, three (1 that maleic anhydride grafting ratio is POE-g-MAH mass parts 2.38%, 2,2,6,6-pentamethyl-piperidyl) phosphorous acid ester 0.5Kg, phthalocyanine blue 0.4 Kg, control homogenizer rotating speed 250r/min, 109 ℃ of temperature, mix 10min, stir into compound; Compound is placed conical parallel dual-screw extruding machine, control conical parallel dual-screw extruding machine barrel temperature is 192 ℃ in I district, 206 ℃ in II district, 226 ℃ in III district, 245 ℃ in IV district, 255 ℃ in V district, 260 ℃ in VI district, die head temperature is 257 ℃, and extrusion plasticizing becomes particulate material; Particulate material is placed injection moulding machine, and control injection moulding machine barrel temperature is 202 ℃ in I district, 213 ℃ in II district, 228 ℃ in III district, 244 ℃ in IV district, 260 ℃ in V district, and nozzle temperature is 256 ℃, is injected into the plastics stool.
Claims (7)
1. two-way stretch polyethylene terephthalate torsion film reclaimed materials prepares plastics stool method, it is characterized in that:
Material and prescription
Two-way stretch polyethylene terephthalate torsion film reclaimed materials 75～84 weight parts, ethylene-octene copolymer 13～18 weight parts, maleic anhydride grafted ethene-octene copolymer 2～5 weight parts, three ［ 2.4-di-tert-butyl-phenyl ］ phosphorous acid ester, 0.4～0.8 weight part, three (1,2,2,6,6-pentamethyl-piperidyl) phosphorous acid ester 0.4～0.8 weight part, phthalocyanine blue 0.2～0.4 weight part;
The preparation method
1) two-way stretch polyethylene terephthalate torsion film reclaimed materials is placed crusher, be ground into film fragments, it is dry to put into electric drying oven with forced convection;
2) dried two-way stretch polyethylene terephthalate torsion film reclaimed materials film fragments is placed homogenizer, add ethylene-octene copolymer, maleic anhydride grafted ethene-octene copolymer, three ［ 2.4-di-tert-butyl-phenyl ］ phosphorous acid ester, three (1 successively, 2,2,6,6-pentamethyl-piperidyl) phosphorous acid ester and phthalocyanine blue, high-speed stirring mixes compound;
3) compound is placed conical parallel dual-screw extruding machine, control barrel temperature and die head temperature, extrusion plasticizing becomes particulate material;
4) particulate material is placed injection moulding machine, control barrel temperature and nozzle temperature are injected into the plastics stool.
2. two-way stretch polyethylene terephthalate torsion film reclaimed materials according to claim 1 prepares plastics stool method, and the shore a hardness that it is characterized in that described ethylene-octene copolymer is that 86 degree, density are 0.885 g/cm
3
3. two-way stretch polyethylene terephthalate torsion film reclaimed materials according to claim 1 prepares plastics stool method, it is characterized in that maleic anhydride grafting ratio is 2.38% of maleic anhydride grafted ethene-octene copolymer mass parts in described maleic anhydride grafted ethene-octene copolymer.
4. two-way stretch polyethylene terephthalate torsion film reclaimed materials according to claim 1 prepares the method for plastics stool, and the temperature that it is characterized in that described electric drying oven with forced convection is that 145 ± 1 ℃, time of drying are 4h.
5. two-way stretch polyethylene terephthalate torsion film reclaimed materials according to claim 1 prepares plastics stool method, it is characterized in that described homogenizer rotating speed is that 250r/min, temperature are that 108 ± 1 ℃, the time of mixing are 10min.
6. two-way stretch polyethylene terephthalate torsion film reclaimed materials according to claim 1 prepares plastics stool method, it is characterized in that described conical parallel dual-screw extruding machine barrel temperature is 187～192 ℃ in I district, 206～213 ℃ in II district, 224～232 ℃ in III district, 238～245 ℃ in IV district, 250～255 ℃ in V district, 258～263 ℃ in VI district, die head temperature is 257～260 ℃.
7. two-way stretch polyethylene terephthalate torsion film reclaimed materials according to claim 1 prepares plastics stool method, it is characterized in that described injection moulding machine barrel temperature is 196～202 ℃ in I district, 208～215 ℃ in II district, 225～232 ℃ in III district, 240～246 ℃ in IV district, 255～260 ℃ in V district, nozzle temperature is 253～256 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101405270A CN102268175A (en) | 2011-05-28 | 2011-05-28 | Method for preparing plastic bench by utilizing biaxially oriented polyethylene glycol terephthalate tangle film reclaimed material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101405270A CN102268175A (en) | 2011-05-28 | 2011-05-28 | Method for preparing plastic bench by utilizing biaxially oriented polyethylene glycol terephthalate tangle film reclaimed material |
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| CN102268175A true CN102268175A (en) | 2011-12-07 |
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| CN2011101405270A Pending CN102268175A (en) | 2011-05-28 | 2011-05-28 | Method for preparing plastic bench by utilizing biaxially oriented polyethylene glycol terephthalate tangle film reclaimed material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107619583A (en) * | 2017-09-26 | 2018-01-23 | 安徽嘉美包装有限公司 | A kind of modified PET torsion film and preparation method thereof |
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| US20060284334A1 (en) * | 2003-10-12 | 2006-12-21 | Andreas Christel | Method for producing a shaped body from a polycondensate |
| CN100509953C (en) * | 2006-04-17 | 2009-07-08 | 华东理工大学 | Polybutylene terephthalate composite material and preparation method thereof |
| CN101519523A (en) * | 2009-04-02 | 2009-09-02 | 中国科学院长春应用化学研究所 | High-toughness polyethylene glycol terephthalate alloy material and preparation method thereof |
| CN101781446A (en) * | 2010-03-22 | 2010-07-21 | 福建师范大学 | Method for preparing plastic pipe fitting from polyethylene terephthalate (PET) bottle reclaimed material |
| CN101899202A (en) * | 2010-07-30 | 2010-12-01 | 福建师范大学 | Method for preparing drainage pipe by recycled polyethylene terephthalate bottle scraps |
| CN102010582A (en) * | 2010-11-20 | 2011-04-13 | 福建师范大学 | Method for manufacturing plastic template by recycled modified polyethylene terephthalate bottle materials |
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2011
- 2011-05-28 CN CN2011101405270A patent/CN102268175A/en active Pending
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| US20060284334A1 (en) * | 2003-10-12 | 2006-12-21 | Andreas Christel | Method for producing a shaped body from a polycondensate |
| CN100509953C (en) * | 2006-04-17 | 2009-07-08 | 华东理工大学 | Polybutylene terephthalate composite material and preparation method thereof |
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| CN101781446A (en) * | 2010-03-22 | 2010-07-21 | 福建师范大学 | Method for preparing plastic pipe fitting from polyethylene terephthalate (PET) bottle reclaimed material |
| CN101899202A (en) * | 2010-07-30 | 2010-12-01 | 福建师范大学 | Method for preparing drainage pipe by recycled polyethylene terephthalate bottle scraps |
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| CN107619583A (en) * | 2017-09-26 | 2018-01-23 | 安徽嘉美包装有限公司 | A kind of modified PET torsion film and preparation method thereof |
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Application publication date: 20111207 |