CN103254583A - Preparation method of abrasion-resistant polyethylene glycol terephthalate molding plastic - Google Patents
Preparation method of abrasion-resistant polyethylene glycol terephthalate molding plastic Download PDFInfo
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- CN103254583A CN103254583A CN201310168286XA CN201310168286A CN103254583A CN 103254583 A CN103254583 A CN 103254583A CN 201310168286X A CN201310168286X A CN 201310168286XA CN 201310168286 A CN201310168286 A CN 201310168286A CN 103254583 A CN103254583 A CN 103254583A
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- polyethylene terephthalate
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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
- B29C48/92—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
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
-
- 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
- B29C2948/92504—Controlled parameter
- B29C2948/92761—Mechanical properties
-
- 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
- B29C2948/9298—Start-up, shut-down or parameter setting phase; Emergency shut-down; Material change; Test or laboratory equipment or studies
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- 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)
Abstract
The invention relates to a preparation method of an abrasion-resistant polyethylene glycol terephthalate molding plastic, and belongs to the technical field of the preparation of high polymer materials. The method comprises the following steps: firstly drying 28 to 36 parts of polyethylene glycol terephthalate resin in a drying device; then putting the dried material into a high-speed mixer; at the same time, putting 8 to 15 parts of uncrystallized polyester resin, 9 to 16 parts of olefin resin, 6 to 12 parts of a compatilizer, 20 to 29 parts of filling material, 0.5 to 1.2 parts of antioxidant, 9 to 17 parts of reinforced fibers, 4 to 8 parts of abrasion-resistant agent and 0.7 to 1.3 parts of carbon black into the high-speed mixer; starting the high-speed mixer and mixing; transferring the mixed material into a parallel double-screw extruder; performing a melting extrusion by the parallel double-screw extruder; and cutting into granules after water cooling, thereby obtaining a finished product, wherein the temperature of screw rods in the first area to the twelfth area is controlled as: 205 DEG C, 210 DEG C, 225 DEG C, 235 DEG C, 240 DEG C, 250 DEG C, 260 DEG C, 265 DEG C, 265 DEG C, 265 DEG C, 270 DEG C and 270 DEG C. According to the abrasion-resistant polyethylene glycol terephthalate molding plastic, the tensile strength is from 165 to 178MPa; the bending strength is from 230 to 255MPa; the bending modulus is from 9000 to 12000MPa; the notch impact strength is from 67 to 88j/m; and the heat deflection temperature is from 205 to 226 DEG C. In addition, all the raw materials are wide in resource and low in cost.
Description
Technical field
The invention belongs to field of polymer material preparing technology, be specifically related to a kind of preparation method of wear-resisting polyethylene terephthalate moulding compound.
Background technology
Because polyethylene terephthalate has excellent intensity and resistance toheat, therefore be widely used in fields such as automobile, electronics, machinery, instrument.But owing in the automotive field this strength of materials is required high and more strict to fatigue performance, resistance toheat and wear resisting property, therefore common polyethylene terephthalate moulding compound often is difficult to adapt to these strict requirements, must further improve its intensity and temperature tolerance etc. to its modification.Patent application publication number CN102311616A discloses the preparation method of carbon fiber reinforced polyester, because there is the restriction of raw material sources in this method, therefore is difficult to form scale production.
Summary of the invention
Task of the present invention is to provide a kind of preparation method of wear-resisting polyethylene terephthalate moulding compound, and the moulding compound that is obtained by this method has intensity height, wear-resisting characteristics, and raw material is easy to get and cheap.
Task of the present invention is finished like this, a kind of preparation method of wear-resisting polyethylene terephthalate moulding compound, it is 28～36 parts of dry 10h in drying installation of pet resin that will take by weighing by weight earlier, drying temperature is 110 ℃, obtain in dried feed and the input high-speed mixer, drop into simultaneously 8～15 parts of the non-crystalline polyester resin that take by weighing by weight in the high-speed mixer, 9～16 parts of olefin resins, 6 ~ 12 parts of compatilizers, 20 ~ 29 parts of fillers, 0.5 ~ 1.2 part in oxidation inhibitor, 9 ~ 17 parts of fortifying fibres, 0.7 ~ 1.3 part of 4 ~ 8 parts of anti-wear agents and carbon black, open high-speed mixer mixing 10min, obtain compound, again compound is changed in the parallel twin screw extruder and melt extrude, pelletizing after water cooling, obtain wear-resisting polyethylene terephthalate moulding compound, wherein: a district of parallel twin screw extruder to the temperature of No.12 District is controlled to be respectively: 205 ℃ of district's temperature, 210 ℃ of two district's temperature, 225 ℃ of three district's temperature, 235 ℃ of four district's temperature, 240 ℃ of five district's temperature, 250 ℃ of six district's temperature, 260 ℃ of seven district's temperature, 265 ℃ of eight district's temperature, 265 ℃ of nine district's temperature, 265 ℃ of ten district's temperature, 270 ℃ of 270 ℃ of Shi Yi district temperature and No.12 District temperature.
In one embodiment of the invention, described pet resin be fusing point at 260 ℃ and limiting viscosity index is the polyethylene terephthalate of 0.65dl/g.
In another embodiment of the present invention, described noncrystalline polyester resin is softening temperature at 130 ℃ saturated polyester resin.
In yet another embodiment of the present invention, described olefin resin is the Co-polypropylene resin of 170 ℃ of fusing points.
In another embodiment of the present invention, described compatilizer is the acrylic resin of maleic anhydride graft.
Also have among the embodiment of the present invention, described filler is polynite.
More of the present invention and among embodiment, described oxidation inhibitor is 2, the 5-ditert-butylhydro quinone.
In of the present invention and then embodiment, described fortifying fibre is the alkali free glass fibre of length 12mm.
Of the present invention again more and among embodiment, described anti-wear agent is graphite.
In again of the present invention and then embodiment, described carbon black is the carbon black that channel process is produced.
The wear-resisting polyethylene terephthalate moulding compound that the inventive method obtains has following performance index after tested: tensile strength 165～178MPa, flexural strength 230～255MPa, modulus in flexure 9000～12000MPa, notched Izod impact strength 67～88j/m, 205～226 ℃ of heat-drawn wires; The method its raw material source is extensive and cheap.
Embodiment
Embodiment 1:
The fusing point that will take by weighing by weight is 32 parts of input drying installations of polyethylene terephthalate of 0.65dl/g and at 110 ℃ of dry 10h down at 260 ℃ and limiting viscosity index earlier, obtain dried feed, with this dried feed together with the softening temperature that takes by weighing by weight 8 parts of 130 ℃ saturated polyester resins, fusing point is 170 ℃ 16 parts of Co-polypropylene resins, by 6 parts of maleic anhydride inoculated polypropylene resins, 20 parts of polynites, 2,0.9 part of 5-ditert-butylhydro quinone, length is 17 parts of the alkali free glass fibres of 12mm, mix 10min in 8 parts in graphite and the 1 part of input high-speed mixer of carbon black by channel process production, obtain compound, again compound is changed in the parallel twin screw extruder and melt extrude, obtain wear-resisting polyethylene terephthalate moulding compound after water cooling and pelletizing, wherein: a district of parallel twin screw extruder to the temperature of No.12 District is controlled to be respectively: 205 ℃ of district's temperature, 210 ℃ of two district's temperature, 225 ℃ of three district's temperature, 235 ℃ of four district's temperature, 240 ℃ of five district's temperature, 250 ℃ of six district's temperature, 260 ℃ of seven district's temperature, 265 ℃ of eight district's temperature, 265 ℃ of nine district's temperature, 265 ℃ of ten district's temperature, 270 ℃ of 270 ℃ of Shi Yi district temperature and No.12 District temperature.
Embodiment 2:
The fusing point that will take by weighing by weight is 28 parts of input drying installations of polyethylene terephthalate of 0.65dl/g and at 110 ℃ of dry 10h down at 260 ℃ and limiting viscosity index earlier, obtain dried feed, with this dried feed together with the softening temperature that takes by weighing by weight 15 parts of 130 ℃ saturated polyester resins, fusing point is 170 ℃ 9 parts of Co-polypropylene resins, by 12 parts of maleic anhydride inoculated polypropylene resins, 29 parts of polynites, 2,0.5 part of 5-ditert-butylhydro quinone, length is 9 parts of the alkali free glass fibres of 12mm, mix 10min in 4 parts in graphite and the 1.3 parts of input high-speed mixers of carbon black by channel process production, obtain compound, again compound is changed in the parallel twin screw extruder and melt extrude, obtain wear-resisting polyethylene terephthalate moulding compound after water cooling and pelletizing, wherein: a district of parallel twin screw extruder to the temperature of No.12 District is controlled to be respectively: 205 ℃ of district's temperature, 210 ℃ of two district's temperature, 225 ℃ of three district's temperature, 235 ℃ of four district's temperature, 240 ℃ of five district's temperature, 250 ℃ of six district's temperature, 260 ℃ of seven district's temperature, 265 ℃ of eight district's temperature, 265 ℃ of nine district's temperature, 265 ℃ of ten district's temperature, 270 ℃ of 270 ℃ of Shi Yi district temperature and No.12 District temperature.
Embodiment 3:
The fusing point that will take by weighing by weight is 36 parts of input drying installations of polyethylene terephthalate of 0.65dl/g and at 110 ℃ of dry 10h down at 260 ℃ and limiting viscosity index earlier, obtain dried feed, with this dried feed together with the softening temperature that takes by weighing by weight 12 parts of 130 ℃ saturated polyester resins, fusing point is 170 ℃ 14 parts of Co-polypropylene resins, by 10 parts of maleic anhydride inoculated polypropylene resins, 26 parts of polynites, 2,1.2 parts of 5-ditert-butylhydro quinones, length is 14 parts of the alkali free glass fibres of 12mm, mix 10min in 7 parts in graphite and the 0.7 part of input high-speed mixer of carbon black by channel process production, obtain compound, again compound is changed in the parallel twin screw extruder and melt extrude, obtain wear-resisting polyethylene terephthalate moulding compound after water cooling and pelletizing, wherein: a district of parallel twin screw extruder to the temperature of No.12 District is controlled to be respectively: 205 ℃ of district's temperature, 210 ℃ of two district's temperature, 225 ℃ of three district's temperature, 235 ℃ of four district's temperature, 240 ℃ of five district's temperature, 250 ℃ of six district's temperature, 260 ℃ of seven district's temperature, 265 ℃ of eight district's temperature, 265 ℃ of nine district's temperature, 265 ℃ of ten district's temperature, 270 ℃ of 270 ℃ of Shi Yi district temperature and No.12 District temperature.
Embodiment 4:
The fusing point that will take by weighing by weight is 34 parts of input drying installations of polyethylene terephthalate of 0.65dl/g and at 110 ℃ of dry 10h down at 260 ℃ and limiting viscosity index earlier, obtain dried feed, with this dried feed together with the softening temperature that takes by weighing by weight 10 parts of 130 ℃ saturated polyester resins, fusing point is 170 ℃ 12 parts of Co-polypropylene resins, by 8 parts of maleic anhydride inoculated polypropylene resins, 23 parts of polynites, 2,1 part of 5-ditert-butylhydro quinone, length is 11 parts of the alkali free glass fibres of 12mm, mix 10min in 6 parts in graphite and the 1.1 parts of input high-speed mixers of carbon black by channel process production, obtain compound, again compound is changed in the parallel twin screw extruder and melt extrude, obtain wear-resisting polyethylene terephthalate moulding compound after water cooling and pelletizing, wherein: a district of parallel twin screw extruder to the temperature of No.12 District is controlled to be respectively: 205 ℃ of district's temperature, 210 ℃ of two district's temperature, 225 ℃ of three district's temperature, 235 ℃ of four district's temperature, 240 ℃ of five district's temperature, 250 ℃ of six district's temperature, 260 ℃ of seven district's temperature, 265 ℃ of eight district's temperature, 265 ℃ of nine district's temperature, 265 ℃ of ten district's temperature, 270 ℃ of 270 ℃ of Shi Yi district temperature and No.12 District temperature.
The wear-resisting polyethylene terephthalate moulding compound that is obtained by above-described embodiment 1 to 4 has the technique effect shown in the following table after tested:
| Test event | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Tensile strength MPa | 166 | 170 | 173 | 178 |
| Flexural strength MPa | 230 | 238 | 247 | 255 |
| Modulus in flexure MPa | 9050 | 10280 | 11190 | 11960 |
| Notched Izod impact strength j/m | 67.5 | 72.6 | 79.8 | 87.4 |
| Heat-drawn wire ℃ | 206 | 213 | 219 | 225 |
Claims (10)
1.
A kind of preparation method of wear-resisting polyethylene terephthalate moulding compound, it is characterized in that it is 28～36 parts of dry 10h in drying installation of pet resin that will take by weighing by weight earlier, drying temperature is 110 ℃, obtain in dried feed and the input high-speed mixer, drop into simultaneously 8～15 parts of the non-crystalline polyester resin that take by weighing by weight in the high-speed mixer, 9～16 parts of olefin resins, 6 ~ 12 parts of compatilizers, 20 ~ 29 parts of fillers, 0.5 ~ 1.2 part in oxidation inhibitor, 9 ~ 17 parts of fortifying fibres, 0.7 ~ 1.3 part of 4 ~ 8 parts of anti-wear agents and carbon black, open high-speed mixer mixing 10min, obtain compound, again compound is changed in the parallel twin screw extruder and melt extrude, pelletizing after water cooling, obtain wear-resisting polyethylene terephthalate moulding compound, wherein: a district of parallel twin screw extruder to the temperature of No.12 District is controlled to be respectively: 205 ℃ of district's temperature, 210 ℃ of two district's temperature, 225 ℃ of three district's temperature, 235 ℃ of four district's temperature, 240 ℃ of five district's temperature, 250 ℃ of six district's temperature, 260 ℃ of seven district's temperature, 265 ℃ of eight district's temperature, 265 ℃ of nine district's temperature, 265 ℃ of ten district's temperature, 270 ℃ of 270 ℃ of Shi Yi district temperature and No.12 District temperature.
2.
The preparation method of wear-resisting polyethylene terephthalate moulding compound according to claim 1 is characterized in that described pet resin be fusing point at 260 ℃ and limiting viscosity index is the polyethylene terephthalate of 0.65dl/g.
3.
The preparation method of wear-resisting polyethylene terephthalate moulding compound according to claim 1 is characterized in that described noncrystalline polyester resin is softening temperature at 130 ℃ saturated polyester resin.
4.
The preparation method of wear-resisting polyethylene terephthalate moulding compound according to claim 1 is characterized in that described olefin resin is the Co-polypropylene resin of 170 ℃ of fusing points.
5.
The preparation method of wear-resisting polyethylene terephthalate moulding compound according to claim 1 is characterized in that described compatilizer is the acrylic resin of maleic anhydride graft.
6.
The preparation method of wear-resisting polyethylene terephthalate moulding compound according to claim 1 is characterized in that described filler is polynite.
7.
The preparation method of wear-resisting polyethylene terephthalate moulding compound according to claim 1 is characterized in that described oxidation inhibitor is 2,5-ditert-butylhydro quinone.
8.
The preparation method of wear-resisting polyethylene terephthalate moulding compound according to claim 1 is characterized in that described fortifying fibre is the alkali free glass fibre of length 12mm.
9.
The preparation method of wear-resisting polyethylene terephthalate moulding compound according to claim 1 is characterized in that described anti-wear agent is graphite.
10.
The preparation method of wear-resisting polyethylene terephthalate moulding compound according to claim 1 is characterized in that described carbon black is the carbon black that channel process is produced
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310168286XA CN103254583A (en) | 2013-05-06 | 2013-05-06 | Preparation method of abrasion-resistant polyethylene glycol terephthalate molding plastic |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310168286XA CN103254583A (en) | 2013-05-06 | 2013-05-06 | Preparation method of abrasion-resistant polyethylene glycol terephthalate molding plastic |
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| CN103254583A true CN103254583A (en) | 2013-08-21 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04372648A (en) * | 1991-06-21 | 1992-12-25 | Mitsui Petrochem Ind Ltd | Polyester composition, molding comprising polyester composition, and production thereof |
| JPH08239561A (en) * | 1995-03-07 | 1996-09-17 | Shokuhin Sangyo Ecological Packing Gijutsu Kenkyu Kumiai | Thermoplastic resin composition |
| CN101717560A (en) * | 2009-11-06 | 2010-06-02 | 金发科技股份有限公司 | Halogen-free antiflaming polyester molding compound composite and preparation method thereof |
| CN102199338A (en) * | 2011-04-08 | 2011-09-28 | 扬州三星塑胶有限公司 | APET/PETG composite material and its production technology |
| CN102850661A (en) * | 2012-07-20 | 2013-01-02 | 深圳市科聚新材料有限公司 | Halogen-free flame-retardant PP/polyester alloy and preparation method thereof |
-
2013
- 2013-05-06 CN CN201310168286XA patent/CN103254583A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04372648A (en) * | 1991-06-21 | 1992-12-25 | Mitsui Petrochem Ind Ltd | Polyester composition, molding comprising polyester composition, and production thereof |
| JPH08239561A (en) * | 1995-03-07 | 1996-09-17 | Shokuhin Sangyo Ecological Packing Gijutsu Kenkyu Kumiai | Thermoplastic resin composition |
| CN101717560A (en) * | 2009-11-06 | 2010-06-02 | 金发科技股份有限公司 | Halogen-free antiflaming polyester molding compound composite and preparation method thereof |
| CN102199338A (en) * | 2011-04-08 | 2011-09-28 | 扬州三星塑胶有限公司 | APET/PETG composite material and its production technology |
| CN102850661A (en) * | 2012-07-20 | 2013-01-02 | 深圳市科聚新材料有限公司 | Halogen-free flame-retardant PP/polyester alloy and preparation method thereof |
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Application publication date: 20130821 |