CN104419128A - Recycled PET (polybutylece terephthalate) alloy as and preparation method thereof - Google Patents
Recycled PET (polybutylece terephthalate) alloy as and preparation method thereof Download PDFInfo
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- CN104419128A CN104419128A CN201310396892.7A CN201310396892A CN104419128A CN 104419128 A CN104419128 A CN 104419128A CN 201310396892 A CN201310396892 A CN 201310396892A CN 104419128 A CN104419128 A CN 104419128A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention discloses a recycled PET (polybutylece terephthalate) alloy and a preparation method thereof. The recycled PET alloy is prepared from the following components in percentage by weight: 40-70% of a PET recycled material, 10-40% of ABS (acrylonitrile butadiene styrene), 15-25% of glass fibers, 3-10% of a flexibilizer, 2-8% of a compatilizer, 0.5-1% of a lubricant and 0.1-1% of an antioxidant. Compared with the prior art, the recycled PET alloy disclosed by the invention has the beneficial effects that by taking the PET recycled material as a main body and ABS as a modified matrix and adding the glass fibers and flexibilizer to modify, according to the recycled PET alloy, the tensile strength, the impact strength, the elongation at break, the glowing filament temperature and the like of the PET recycled material are remarkably improved, so that the alloy has a relatively good mechanical property and is low in cost, can be widely applied to the fields of electric products, mechanical parts, building materials and the like, and is remarkable in social and economical benefits.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of recycled PET Alloy And Preparation Method.
Background technology
Polyethylene terephthalate (PET, be called for short polyester) is used for producd fibers, film, beverage bottle etc., brings many convenience, be particularly widely applied at beverage syrup industry to people's life.PET bottle has good barrier property, cost is low, quality is light, intensity is high, acid and alkali-resistance, drink conveniently, the advantage such as safety in utilization is high, and there are good environmental protection and energy saving, production energy consumption is only 41% ~ 64% of vial, therefore is suitable for very much the packaging of the beverages such as bottled water, soda pop, nectar, tea drink.In the past few years, the consumption growth of PET bottle year reaches 18%, has occupied first of plastic food packing.Because PET bottle mostly is single use, along with abandoning in a large number of various PET packing bottle, the white pollution problems caused therefrom is day by day serious.Useless this resource of beverage bottle how is more effectively utilized to become study hotspot at home and abroad.PET generally can not direct injection shaping, and problems such as recycled PET also exists especially that limiting viscosity is low, stability of flow is poor, the demoulding is difficult, goods impact difference.Therefore usually adopt and recycled PET and other macromolecular material blending and modifying are prepared high polymer alloy, make it reach the index of high performance engineering plastics, the reprocessed plastic(s) that, price excellent as performance is low, for electronic apparatus, industrial part and material of construction etc.
Summary of the invention
The object of the present invention is to provide a kind of recycled PET Alloy And Preparation Method, the present invention significantly can improve tensile strength, shock strength, the performance such as elongation at break and glow wire temperature of PET reclaimed materials.
The technical solution adopted for the present invention to solve the technical problems is: a kind of recycled PET alloy, and its component by mass percent proportioning is: PET reclaimed materials 40% ~ 70%, ABS 10% ~ 40%, glass fibre 15% ~ 25%, toughner 3% ~ 10%, compatilizer 2% ~ 8%, lubricant 0.5% ~ 1%, oxidation inhibitor 0.1% ~ 1%.
Described PET reclaimed materials is the flaky material of polyethylene terephthalate (PET) packing bottle waste material gained after recovery, sorting, fragmentation, cleaning, flotation, drying.
Described ABS is acrylonitrile-butadiene-styrene terpolymer, and the mass percent of its acrylonitrile content is 30% ~ 70%.
Described glass fibre is the alkali free glass fibre of surface through silane coupling agent process.
Described toughner is the one in maleic anhydride graft paracril (NBR-g-MAH), maleic anhydride graft terpolymer EP rubber (EPDM-g-MAH), maleic anhydride graft thermoplastic polyurethane rubber (TPU-g-MAH).
Described compatilizer is the one in maleic anhydride graft acrylonitrile-butadiene-styrene terpolymer (ABS-g-MAH), maleic anhydride graft styrene ethylene butadiene multipolymer (SEBS-g-MAH), glycidyl methacrylate graft polystyrene (PS-g-GMA), glycidyl methacrylate graft acrylonitritrile-styrene resin (AS-g-GMA).
Described lubricant is the one in pentaerythritol ester, stearyl ester calcium, EVA wax, ethylene bis stearic amide.
Described oxidation inhibitor is the compound of polynary Hinered phenols antioxidant 1076 and phosphite ester kind antioxidant 168.
The preparation method of above-mentioned a kind of recycled PET alloy, comprises the following steps:
(1) by ABS at 80 DEG C ~ 90 DEG C dry 2 ~ 4 hours, stand-by;
(2) dry PET reclaimed materials and ABS is taken by weight ratio, add in high-speed mixer and fully mix 3 ~ 5 minutes, and then add the toughner, compatilizer, lubricant and the oxidation inhibitor that take by weight ratio, continue mixing 5 ~ 15 minutes, make to mix rear discharging;
(3) compound of step (2) is added the main spout of twin screw extruder, the glass fibre taken by weight ratio is added the side spout of twin screw extruder, controlled working temperature is at 210 DEG C ~ 240 DEG C, screw speed 200 ~ 400rpm, extrude after fully plastifying mixing by twin screw extruder, granulation, obtain a kind of recycled PET alloy of the present invention.
The invention has the beneficial effects as follows, compared with prior art, the present invention based on PET reclaimed materials, with ABS for modified matrix, and add glass fibre and toughner carries out modification, make a kind of recycled PET alloy obtained significantly improve tensile strength, shock strength, the performance such as elongation at break and glow wire temperature of PET reclaimed materials, make that there is good mechanical property, and cost is low, can be widely used in the fields such as electronic apparatus, mechanical component, material of construction, economic results in society are remarkable.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with specific embodiment.
Embodiment 1:
A kind of recycled PET alloy, its component by mass percent proportioning is: PET reclaimed materials 51%, ABS 20%, surface are through the compound 1% of the alkali free glass fibre 15% of silane coupling agent process, maleic anhydride graft paracril (NBR-g-MAH) 8%, maleic anhydride graft acrylonitrile-butadiene-styrene terpolymer (ABS-g-MAH) 4%, pentaerythritol ester 1%, polynary Hinered phenols antioxidant 1076 and phosphite ester kind antioxidant 168.Wherein, described PET reclaimed materials is the flaky material of polyethylene terephthalate (PET) packing bottle waste material gained after recovery, sorting, fragmentation, cleaning, flotation, drying; Described ABS is acrylonitrile-butadiene-styrene terpolymer, and the mass percent of its acrylonitrile content is 30% ~ 70%.
Preparation method: (1) is by ABS at 80 DEG C ~ 90 DEG C dry 2 ~ 4 hours, stand-by; (2) dry PET reclaimed materials and ABS is taken by weight ratio, add in high-speed mixer and fully mix 3 ~ 5 minutes, and then add the compound of maleic anhydride graft paracril (NBR-g-MAH), maleic anhydride graft acrylonitrile-butadiene-styrene terpolymer (ABS-g-MAH), pentaerythritol ester and polynary the Hinered phenols antioxidant 1076 and phosphite ester kind antioxidant 168 taken by weight ratio, continue mixing 5 ~ 15 minutes, make to mix rear discharging; (3) compound of step (2) is added the main spout of twin screw extruder, the surface taken by weight ratio is added the side spout of twin screw extruder through the alkali free glass fibre of silane coupling agent process, controlled working temperature is at 210 DEG C ~ 240 DEG C, screw speed 200 ~ 400rpm, extrude after fully plastifying mixing by twin screw extruder, granulation, obtain a kind of recycled PET alloy of the present invention.
Embodiment 2:
A kind of recycled PET alloy, its component by mass percent proportioning is: PET reclaimed materials 55%, ABS 15%, surface are through the compound 0.4% of the alkali free glass fibre 20% of silane coupling agent process, maleic anhydride graft terpolymer EP rubber (EPDM-g-MAH) 5%, maleic anhydride graft styrene ethylene butadiene multipolymer (SEBS-g-MAH) 4%, ethylene bis stearic amide 0.6%, polynary Hinered phenols antioxidant 1076 and phosphite ester kind antioxidant 168.Wherein, described PET reclaimed materials is the flaky material of polyethylene terephthalate (PET) packing bottle waste material gained after recovery, sorting, fragmentation, cleaning, flotation, drying; Described ABS is acrylonitrile-butadiene-styrene terpolymer, and the mass percent of its acrylonitrile content is 30% ~ 70%.
Preparation method: (1) is by ABS at 80 DEG C ~ 90 DEG C dry 2 ~ 4 hours, stand-by; (2) dry PET reclaimed materials and ABS is taken by weight ratio, add in high-speed mixer and fully mix 3 ~ 5 minutes, and then add the compound of maleic anhydride graft terpolymer EP rubber (EPDM-g-MAH), maleic anhydride graft styrene ethylene butadiene multipolymer (SEBS-g-MAH), ethylene bis stearic amide and polynary the Hinered phenols antioxidant 1076 and phosphite ester kind antioxidant 168 taken by weight ratio, continue mixing 5 ~ 15 minutes, make to mix rear discharging; (3) compound of step (2) is added the main spout of twin screw extruder, the surface taken by weight ratio is added the side spout of twin screw extruder through the alkali free glass fibre of silane coupling agent process, controlled working temperature is at 210 DEG C ~ 240 DEG C, screw speed 200 ~ 400rpm, extrude after fully plastifying mixing by twin screw extruder, granulation, obtain a kind of recycled PET alloy of the present invention.
Claims (9)
1. a recycled PET alloy, it is characterized in that, its component by mass percent proportioning is: PET reclaimed materials 40% ~ 70%, ABS 10% ~ 40%, glass fibre 15% ~ 25%, toughner 3% ~ 10%, compatilizer 2% ~ 8%, lubricant 0.5% ~ 1%, oxidation inhibitor 0.1% ~ 1%.
2. a kind of recycled PET alloy according to claim 1, is characterized in that, described PET reclaimed materials is the flaky material of polyethylene terephthalate (PET) packing bottle waste material gained after recovery, sorting, fragmentation, cleaning, flotation, drying.
3. a kind of recycled PET alloy according to claim 1, is characterized in that, described ABS is acrylonitrile-butadiene-styrene terpolymer, and the mass percent of its acrylonitrile content is 30% ~ 70%.
4. a kind of recycled PET alloy according to claim 1, is characterized in that, described glass fibre is the alkali free glass fibre of surface through silane coupling agent process.
5. a kind of recycled PET alloy according to claim 1, it is characterized in that, described toughner is the one in maleic anhydride graft paracril (NBR-g-MAH), maleic anhydride graft terpolymer EP rubber (EPDM-g-MAH), maleic anhydride graft thermoplastic polyurethane rubber (TPU-g-MAH).
6. a kind of recycled PET alloy according to claim 1, it is characterized in that, described compatilizer is the one in maleic anhydride graft acrylonitrile-butadiene-styrene terpolymer (ABS-g-MAH), maleic anhydride graft styrene ethylene butadiene multipolymer (SEBS-g-MAH), glycidyl methacrylate graft polystyrene (PS-g-GMA), glycidyl methacrylate graft acrylonitritrile-styrene resin (AS-g-GMA).
7. a kind of recycled PET alloy according to claim 1, is characterized in that, described lubricant is the one in pentaerythritol ester, stearyl ester calcium, EVA wax, ethylene bis stearic amide.
8. a kind of recycled PET alloy according to claim 1, is characterized in that, described oxidation inhibitor is the compound of polynary Hinered phenols antioxidant 1076 and phosphite ester kind antioxidant 168.
9. the preparation method of a kind of recycled PET alloy according to claim 1, is characterized in that, comprise the following steps:
(1) by ABS at 80 DEG C ~ 90 DEG C dry 2 ~ 4 hours, stand-by;
(2) dry PET reclaimed materials and ABS is taken by weight ratio, add in high-speed mixer and fully mix 3 ~ 5 minutes, and then add the toughner, compatilizer, lubricant and the oxidation inhibitor that take by weight ratio, continue mixing 5 ~ 15 minutes, make to mix rear discharging;
(3) compound of step (2) is added the main spout of twin screw extruder, the glass fibre taken by weight ratio is added the side spout of twin screw extruder, controlled working temperature is at 210 DEG C ~ 240 DEG C, screw speed 200 ~ 400rpm, extrude after fully plastifying mixing by twin screw extruder, granulation, obtain a kind of recycled PET alloy of the present invention.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310396892.7A CN104419128A (en) | 2013-09-04 | 2013-09-04 | Recycled PET (polybutylece terephthalate) alloy as and preparation method thereof |
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| CN201310396892.7A CN104419128A (en) | 2013-09-04 | 2013-09-04 | Recycled PET (polybutylece terephthalate) alloy as and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105733203A (en) * | 2016-03-07 | 2016-07-06 | 苏州莱特复合材料有限公司 | PET alloy and preparation method thereof |
| CN107353574A (en) * | 2017-08-23 | 2017-11-17 | 广东乔艺塑胶有限公司 | A kind of blending and modifying ABS lip gloss bottles and preparation method thereof |
| CN107501900A (en) * | 2017-08-25 | 2017-12-22 | 西安理工大学 | A kind of polymer composite and preparation method thereof |
| CN107841028A (en) * | 2016-09-20 | 2018-03-27 | 黑龙江鑫达企业集团有限公司 | A kind of weathered plastics special material for tube and preparation method thereof |
| CN108624032A (en) * | 2018-04-27 | 2018-10-09 | 句容市百事特复合材料有限公司 | A kind of long glass fiber reinforced thermoplastic material and preparation method thereof |
| CN108948524A (en) * | 2018-06-22 | 2018-12-07 | 苏州上车新材料科技有限公司 | MODIFIED PP/PET alloy die casting collet and preparation method thereof |
| CN110093018A (en) * | 2019-05-20 | 2019-08-06 | 福建师范大学 | It is a kind of to utilize the polyester alloy and preparation method thereof for recycling blended textile fabric preparation |
-
2013
- 2013-09-04 CN CN201310396892.7A patent/CN104419128A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105733203A (en) * | 2016-03-07 | 2016-07-06 | 苏州莱特复合材料有限公司 | PET alloy and preparation method thereof |
| CN107841028A (en) * | 2016-09-20 | 2018-03-27 | 黑龙江鑫达企业集团有限公司 | A kind of weathered plastics special material for tube and preparation method thereof |
| CN107353574A (en) * | 2017-08-23 | 2017-11-17 | 广东乔艺塑胶有限公司 | A kind of blending and modifying ABS lip gloss bottles and preparation method thereof |
| CN107501900A (en) * | 2017-08-25 | 2017-12-22 | 西安理工大学 | A kind of polymer composite and preparation method thereof |
| CN108624032A (en) * | 2018-04-27 | 2018-10-09 | 句容市百事特复合材料有限公司 | A kind of long glass fiber reinforced thermoplastic material and preparation method thereof |
| CN108948524A (en) * | 2018-06-22 | 2018-12-07 | 苏州上车新材料科技有限公司 | MODIFIED PP/PET alloy die casting collet and preparation method thereof |
| CN110093018A (en) * | 2019-05-20 | 2019-08-06 | 福建师范大学 | It is a kind of to utilize the polyester alloy and preparation method thereof for recycling blended textile fabric preparation |
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Application publication date: 20150318 |