CN101781446A - Method for preparing plastic pipe fitting from polyethylene terephthalate (PET) bottle reclaimed material - Google Patents
Method for preparing plastic pipe fitting from polyethylene terephthalate (PET) bottle reclaimed material Download PDFInfo
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- CN101781446A CN101781446A CN201010129422A CN201010129422A CN101781446A CN 101781446 A CN101781446 A CN 101781446A CN 201010129422 A CN201010129422 A CN 201010129422A CN 201010129422 A CN201010129422 A CN 201010129422A CN 101781446 A CN101781446 A CN 101781446A
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- pipe fitting
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- polyethylene terephthalate
- reclaimed material
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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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/918—Thermal treatment of the stream of extruded material, e.g. cooling characterized by differential heating or cooling
- B29C48/9185—Thermal treatment of the stream of extruded material, e.g. cooling characterized by differential heating or cooling in the direction of the stream of the material
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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
- B29C48/03—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
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
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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
- B29C48/25—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
- B29C48/405—Intermeshing co-rotating screws
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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
- B29C48/25—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)
- Physics & Mathematics (AREA)
- Thermal Sciences (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 relates to a method for preparing a plastic pipe fitting from a PET bottle reclaimed material, which comprises the following steps: taking 63-74 parts by weight of the PET bottle reclaimed material and 22-32 parts by weight of m-LLDPE as raw materials, adding 2-4 parts by weight of compatilizer, 0.6-1.2 parts by weight of lanthanum oxide and 0.5-1.0 part by weight of antioxidant 1010, pulverizing, mixing at high speed, extruding and pelleting by a twin screw, and injection molding to process the pipe fitting. The compatilizer is prepared by mixing an ethylene-acrylic acid copolymer and an ethylene-octylene copolymer in proportion by weight of 1:0.5-0.9. Compared with the pipe fittings manufactured from unmodified PET bottle reclaimed materials, the pipe fitting prepared by the method has the advantages that the notch impact strength is improved by 45%-55%, the compression resilience rate is improved by 22%-26%, and the rate of finished products of injection pipe fittings is improved by 18-23%; and the pipe fitting has the characteristics of high anti-impact strength, good pressure resistance, lustrous surface, low cost and the like, and is suitable for drainage and sewage pipe fittings in municipal works and water-saving irrigation pipe fittings in agriculture.
Description
Technical field
The present invention relates to the preparation method of plastic pipe, a kind of specifically polyethylene terephthalate bottle reclaimed material prepares the method for plastic pipe.
Background technology
Polyethylene terephthalate (PET) is as thermoplastic engineering plastic, and because of its higher mechanical strength, good thermotolerance and chemical resistance are widely used in fields such as film, synthon, electrical equipment, packing bottle.Along with the fast development of food, beverage industry, the PET bottle has been widely used in packings such as mineral water, soda pop, fruit juice, tea drink.It is reported that PET bottle annual production in recent years surpasses 1,200,000 tons, most of PET bottle is disposable use, caused the wasting of resources and environmental pollution after discarded, at present, reclaimed the waste PET bottle major part and be used for polyester staple fiber, added value is on the low side, and market demand day has hastened towards saturation.The PET bottle reclaimed material is carried out modification, and being used to inject production high-performance plastic material products has become one of approach of giving priority to from now on.Because have that crystallization velocity is slow, injecting forming temperature is high, shaping cycle is long in the PET bottle reclaimed material course of processing, make behind the product fragility greatly, shortcoming such as impact property difference.Therefore, how to improve the Tc of PET bottle reclaimed material effectively, improve shock resistance, performance PET high-performance, advantage have cheaply caused material subject researchist's concern.
In recent years, some researchists adopt the method for adding nucleator both at home and abroad, improve the Tc of PET, the nucleator of employing: talcum powder, zinc oxide, silicon-dioxide, barium sulfate, yellow soda ash, magnesium stearate, carboxylic acid sodium salt, Sodium Benzoate, polyoxyethylene glycol etc.Adopt the expanding material technology to improve resistance to impact shock and the processing characteristics of PET,, improved the alternate consistency of PP/PET two, improve the notched Izod impact strength of PP/PET co-mixing system as adopting PP-g-AA increase-volume PP/PET co-mixing system; And for example, adopting maleic anhydride graft thermoplastic olefin class elastomerics is compatilizer, improves the alternate interface cohesive action of PET/PC blend two, improves crystal property and the processing characteristics of PET, improves the impact resistance of PET/PC blend.For another example, (EVA) makes expanding material with ethylene-vinyl acetate copolymer, and the PET/PE alloy is carried out interface modification, improves the elongation at break and the impelling strength of PET/PE alloy material.Retrieve a large amount of patent documentations and the research paper of publishing, it is basic raw material that Shang Weijian adopts polyethylene terephthalate bottle reclaimed material (PET bottle reclaimed material) and metallocene linear-low density polyethylene (m-LLDPE), add compatilizer, lanthanum trioxide, antioxidant 1010, the report of preparation plastic pipe.
Summary of the invention
Crystallization velocity is slow in the PET bottle reclaimed material course of processing, injecting forming temperature is high, shaping cycle is long in order to overcome, make behind the product defectives such as fragility is big, impact property difference, the invention provides the method that a kind of PET bottle reclaimed material prepares plastic pipe, present method is a basic raw material with PET bottle reclaimed material and m-LLDPE, add compatilizer, lanthanum trioxide, antioxidant 1010, by pulverizing, high-speed mixing, twin screw extrude pelletizing, injection molding technique processes.Adopt the plastic pipe of present method preparation, have characteristics such as excellent in cushion effect, good pressure-resistant performance, surface luster, cost are low, be applicable to public works draining blowdown pipe fitting, agricultural water-saving irrigation pipe fitting.
In order to realize that the technical scheme that the object of the invention adopts is:
Material and prescription
PET bottle reclaimed material 63～74 weight parts, m-LLDPE22～32 weight parts, compatilizer 2～4 weight parts, lanthanum trioxide 0.6～1.2 weight part, antioxidant 1010 0.5～1.0 weight part.
The preparation method
After will reclaiming PET bottle dusting out and impurity, place crusher, be ground into the reclaimed materials fragment about 2mm * 2mm; Put into the constant temperature air dry oven, 140 ± 1 ℃ of controlled temperature are behind the dry 8h, weighing places homogenizer, control stirrer rotating speed 250r/min, 100 ± 1 ℃ of temperature, add m-LLDPE, compatilizer, lanthanum trioxide, antioxidant 1010 after measuring successively, mix 8min; Place the parallel dual-screw extruding machine hopper, control extruder barrel temperature: 185～190 ℃ in I district, 198～204 ℃ in II district, 210～216 ℃ in III district, 222～227 ℃ in IV district, 232～238 ℃ in V district, 245～250 ℃ in VI district, 243～248 ℃ of die heads, extrude and be cut into particulate material; And be placed in the injection moulding machine, control injection moulding machine barrel temperature: 198～204 ℃ in I district, 210～216 ℃ in II district, 224～230 ℃ in III district, 238～243 ℃ in IV district, 250～255 ℃ in V district, 248～253 ℃ of die heads are injected into pipe fitting.
The density of m-LLDPE of the present invention is 0.9～0.93g/cm
3, melt flow rate (MFR) is 0.8～1.3g/10min.
Compatilizer of the present invention is to be become with 1:0.5～0.9 weight part ratio combined group with ethylene-octene copolymer (POE) by ethylene-acrylic acid copolymer (EAA).
The purity of lanthanum trioxide of the present invention is mass percent 99.5%.
The invention has the beneficial effects as follows: 1. adopt EAA and POE to be combined as compatilizer, PET bottle reclaimed material and m-LLDPE co-mixing system are carried out interface modification, improve the alternate consistency of PET and m-LLDPE two, improved the notched Izod impact strength and the compression resilience of PET/m-LLDPE material; 2. adopting lanthanum trioxide is nucleator, and PET/m-LLDPE is carried out the nucleation modification, improves 6～8 ℃ of PET/m-LLDPE material Tcs, has improved the injection processing characteristics of PET/m-LLDPE material; 3. the pipe fitting of present method preparation is compared with the pipe fitting that unmodified PET bottle reclaimed material is made, and notched Izod impact strength has improved 45%～55%, and the compression rebound rate has improved 22%～26%, and injection pipe fitting yield rate has improved 18～23%; Have characteristics such as excellent in cushion effect, good pressure-resistant performance, surface luster, cost be low, be applicable to public works draining blowdown pipe fitting, agricultural water-saving irrigation pipe fitting.
Embodiment
Embodiment 1:
After will reclaiming PET bottle dusting out and impurity, place crusher, be ground into the reclaimed materials fragment about 2mm * 2mm, put into the constant temperature air dry oven, 140 ℃ of controlled temperature are behind the dry 8h, take by weighing PET bottle reclaimed material 65Kg and place homogenizer, control stirrer rotating speed 250r/min, 100 ℃ of temperature, adding density successively is 0.916g/cm
3, melt flow rate (MFR) is the m-LLDPE24Kg of 1.0g/10min, EAA1.5Kg mixes the compatilizer 2.4Kg that forms with POE0.9Kg, purity is the lanthanum trioxide 0.7Kg and the antioxidant 1010 0.6Kg of mass percent 99.5%, mixes 8min; Place the parallel dual-screw extruding machine hopper, control extruder barrel temperature: 188 ℃ in I district, 201 ℃ in II district, 213 ℃ in III district, 225 ℃ in IV district, 235 ℃ in V district, 248 ℃ in VI district, 245 ℃ of die heads, extrude and be cut into particulate material; And be placed in the injection moulding machine, control injection moulding machine barrel temperature: 200 ℃ in I district, 213 ℃ in II district, 227 ℃ in III district, 240 ℃ in IV district, 253 ℃ in V district, 250 ℃ of die heads are injected into pipe fitting.
The pipe fitting of present embodiment preparation is compared with the pipe fitting that unmodified PET bottle reclaimed material is made, and notched Izod impact strength has improved 51%, and the compression rebound rate has improved 24%, and injection pipe fitting yield rate has improved 20.5%; Have characteristics such as excellent in cushion effect, good pressure-resistant performance, surface luster, cost be low, be applicable to public works draining blowdown pipe fitting, agricultural water-saving irrigation pipe fitting.
With embodiment 2:
After will reclaiming PET bottle dusting out and impurity, place crusher, be ground into the reclaimed materials fragment about 2mm * 2mm, put into the constant temperature air dry oven, 141 ℃ of controlled temperature are behind the dry 8h, take by weighing PET bottle reclaimed material 72Kg and place homogenizer, control stirrer rotating speed 250r/min, 99 ℃ of temperature, adding density successively is 0.916g/cm
3, melt flow rate (MFR) is the m-LLDPE30Kg of 1.2g/10min, and EAA1.8Kg mixes the compatilizer 3.4Kg that forms with POE1.6Kg, and purity is the lanthanum trioxide 1.0Kg and the antioxidant 1010 0.8Kg of mass percent 99.5%, mixes 8min; Place the parallel dual-screw extruding machine hopper, control extruder barrel temperature: 186 ℃ in I district, 199 ℃ in II district, 211 ℃ in III district, 223 ℃ in IV district, 233 ℃ in V district, 246 ℃ in VI district, 244 ℃ of die heads, extrude and be cut into particulate material; And be placed in the injection moulding machine, control injection moulding machine barrel temperature: 198 ℃ in I district, 212 ℃ in II district, 225 ℃ in III district, 239 ℃ in IV district, 251 ℃ in V district, 248 ℃ of die heads are injected into pipe fitting.
The pipe fitting of present embodiment preparation is compared with the pipe fitting that unmodified PET bottle reclaimed material is made, and notched Izod impact strength has improved 54%, and the compression rebound rate has improved 25%, and injection pipe fitting yield rate has improved 22.3%; Have characteristics such as excellent in cushion effect, good pressure-resistant performance, surface luster, cost be low, be applicable to public works draining blowdown pipe fitting, agricultural water-saving irrigation pipe fitting.
Embodiment 3:
After will reclaiming PET bottle dusting out and impurity, place crusher, be ground into the reclaimed materials fragment about 2mm * 2mm, put into the constant temperature air dry oven, 139 ℃ of controlled temperature are behind the dry 8h, take by weighing PET bottle reclaimed material 68Kg and place homogenizer, control stirrer rotating speed 250r/min, 101 ℃ of temperature, adding density successively is 0.926g/cm
3, melt flow rate (MFR) is the m-LLDPE27Kg of 0.85g/10min, and EAA1.6Kg mixes the compatilizer 2.8Kg that forms with POE1.2Kg, and purity is the lanthanum trioxide 0.9Kg and the antioxidant 1010 0.7Kg of mass percent 99.5%, mixes 8min; Place the parallel dual-screw extruding machine hopper, control extruder barrel temperature: 190 ℃ in I district, 203 ℃ in II district, 215 ℃ in III district, 226 ℃ in IV district, 237 ℃ in V district, 250 ℃ in VI district, 248 ℃ of die heads, extrude and be cut into particulate material; And be placed in the injection moulding machine, control injection moulding machine barrel temperature: 203 ℃ in I district, 215 ℃ in II district, 229 ℃ in III district, 242 ℃ in IV district, 255 ℃ in V district, 252 ℃ of die heads are injected into pipe fitting.
The pipe fitting of present embodiment preparation is compared with the pipe fitting that unmodified PET bottle reclaimed material is made, and notched Izod impact strength has improved 47%, and the compression rebound rate has improved 23%, and injection pipe fitting yield rate has improved 19.5%; Have characteristics such as excellent in cushion effect, good pressure-resistant performance, surface luster, cost be low, be applicable to public works draining blowdown pipe fitting, agricultural water-saving irrigation pipe fitting.
Claims (4)
1. a polyethylene terephthalate bottle reclaimed material prepares the method for plastic pipe, it is characterized in that:
Material and prescription polyethylene terephthalate bottle reclaimed material 63～74 weight parts, metallocene linear-low density polyethylene 22～32 weight parts, compatilizer 2～4 weight parts, lanthanum trioxide 0.6～1.2 weight part, antioxidant 1010 0.5～1.0 weight part;
The preparation method will place crusher after will reclaiming polyethylene terephthalate bottle dusting out and impurity, be ground into the reclaimed materials fragment about 2mm * 2mm; Put into the constant temperature air dry oven, 140 ± 1 ℃ of controlled temperature, behind the dry 8h, weighing places homogenizer, control stirrer rotating speed 250r/min, 100 ± 1 ℃ of temperature, add the metallocene linear-low density polyethylene after measuring successively, compatilizer, lanthanum trioxide and antioxidant 1010 mix 8min; Place the parallel dual-screw extruding machine hopper, control extruder barrel temperature: 185～190 ℃ in I district, 198～204 ℃ in II district, 210～216 ℃ in III district, 222～227 ℃ in IV district, 232～238 ℃ in V district, 245～250 ℃ in VI district, 243～248 ℃ of die heads, extrude and be cut into particulate material; And be placed in the injection moulding machine, control injection moulding machine barrel temperature: 198～204 ℃ in I district, 210～216 ℃ in II district, 224～230 ℃ in III district, 238～243 ℃ in IV district, 250～255 ℃ in V district, 248～253 ℃ of die heads are injected into pipe fitting.
2. polyethylene terephthalate bottle reclaimed material according to claim 1 prepares the method for plastic pipe, and the density that it is characterized in that described metallocene linear-low density polyethylene is 0.9～0.93g/cm
3, melt flow rate (MFR) is 0.8～1.3g/10min.
3. polyethylene terephthalate bottle reclaimed material according to claim 1 prepares the method for plastic pipe, it is characterized in that described compatilizer is to be become with 1:0.5～0.9 weight part ratio combined group with ethylene-octene copolymer by ethylene-acrylic acid copolymer.
4. polyethylene terephthalate bottle reclaimed material according to claim 1 prepares the method for plastic pipe, and the purity that it is characterized in that described lanthanum trioxide is mass percent 99.5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101294220A CN101781446B (en) | 2010-03-22 | 2010-03-22 | Method for preparing plastic pipe fitting from polyethylene terephthalate (PET) bottle reclaimed material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101294220A CN101781446B (en) | 2010-03-22 | 2010-03-22 | Method for preparing plastic pipe fitting from polyethylene terephthalate (PET) bottle reclaimed material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101781446A true CN101781446A (en) | 2010-07-21 |
| CN101781446B CN101781446B (en) | 2011-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101294220A Expired - Fee Related CN101781446B (en) | 2010-03-22 | 2010-03-22 | Method for preparing plastic pipe fitting from polyethylene terephthalate (PET) bottle reclaimed material |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102153800A (en) * | 2011-02-22 | 2011-08-17 | 青岛致远帕克塑料有限公司 | Composite mixture and preparation method thereof |
| CN102268175A (en) * | 2011-05-28 | 2011-12-07 | 福建师范大学 | Method for preparing plastic bench by utilizing biaxially oriented polyethylene glycol terephthalate tangle film reclaimed material |
| CN102286194A (en) * | 2011-06-23 | 2011-12-21 | 福建师范大学 | Method for preparing plastic logistics boxes by using reclaimed polyethylene glycol terephthalate films |
| CN102532829A (en) * | 2012-02-03 | 2012-07-04 | 福建师范大学 | Method for preparing high-temperature resistant plastic pipes for transferring hot spring |
| CN102604338A (en) * | 2012-03-02 | 2012-07-25 | 福建师范大学 | Preparation method of modified polyethylene terephthalate cable sheath tube |
| CN102604339A (en) * | 2012-03-13 | 2012-07-25 | 福建师范大学 | Preparation method of high-heat-resistance high-strength half tubes used for embedded electric cables |
| CN104312112A (en) * | 2014-11-06 | 2015-01-28 | 文安东都嘉诚再生资源有限公司 | Polyester polyethylene alloy plastic pipe and preparation method thereof |
| CN104511999A (en) * | 2013-09-29 | 2015-04-15 | 富港电子（东莞）有限公司 | Utilization method of mixed material for laser direct structuring |
| CN104559080A (en) * | 2014-12-09 | 2015-04-29 | 杭州福膜新材料科技有限公司 | Thermoplastic polyester/polyethylene composition and application thereof |
| CN104927313A (en) * | 2015-06-05 | 2015-09-23 | 广东天保新材料有限责任公司 | Flame-retardant glass fiber reinforced PET (polyethylene terephthalate) material with high strength and high temperature resistance and preparation method of PET material |
| CN107418164A (en) * | 2017-07-28 | 2017-12-01 | 朱道峰 | A kind of PET/PE alloys sheet material and preparation method thereof |
| CN109265937A (en) * | 2018-09-21 | 2019-01-25 | 袁志平 | The method for preparing the dedicated agricultural mulching of peanut using automobile-used acoustical cotton corner dead meal |
| CN106393911B (en) * | 2016-08-25 | 2019-08-23 | 上海优珀斯材料科技有限公司 | A kind of polyethylene terephthalate modifying linear low-density polyethylene composite membrane and its processing method |
| CN110591302A (en) * | 2019-09-18 | 2019-12-20 | 华东理工大学 | Method for preparing alloy by recycling hybrid PET |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH01153733A (en) * | 1987-12-11 | 1989-06-15 | Toppan Printing Co Ltd | Production of easily tearable film and laminate |
| CN1143127A (en) * | 1995-08-12 | 1997-02-19 | 温信翔 | Inner window frame section produced by garbage |
| CN1701107A (en) * | 2002-09-27 | 2005-11-23 | 阿肯马公司 | Coextrusion binder for polyster based on co-grafted lldpe and metallocene polyethylene and metallocene polyethylene |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102153800A (en) * | 2011-02-22 | 2011-08-17 | 青岛致远帕克塑料有限公司 | Composite mixture and preparation method thereof |
| CN102268175A (en) * | 2011-05-28 | 2011-12-07 | 福建师范大学 | Method for preparing plastic bench by utilizing biaxially oriented polyethylene glycol terephthalate tangle film reclaimed material |
| CN102286194A (en) * | 2011-06-23 | 2011-12-21 | 福建师范大学 | Method for preparing plastic logistics boxes by using reclaimed polyethylene glycol terephthalate films |
| CN102532829B (en) * | 2012-02-03 | 2013-07-03 | 福建师范大学 | Method for preparing high-temperature resistant plastic pipes for transferring hot spring |
| CN102532829A (en) * | 2012-02-03 | 2012-07-04 | 福建师范大学 | Method for preparing high-temperature resistant plastic pipes for transferring hot spring |
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| CN101781446B (en) | 2011-08-24 |
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