CN101845214A - Polycarbonate alloy and preparation method thereof - Google Patents
Polycarbonate alloy and preparation method thereof Download PDFInfo
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- CN101845214A CN101845214A CN201010190940A CN201010190940A CN101845214A CN 101845214 A CN101845214 A CN 101845214A CN 201010190940 A CN201010190940 A CN 201010190940A CN 201010190940 A CN201010190940 A CN 201010190940A CN 101845214 A CN101845214 A CN 101845214A
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- polycarbonate
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- polycarbonate alloy
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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
- B29C48/397—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 a single screw
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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
- B29C48/78—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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Polyesters Or Polycarbonates (AREA)
Abstract
The invention discloses a polycarbonate alloy and a preparation method thereof. The preparation method comprises the following steps: weighting the following components by weight percentage, 20-80 percent of polycarbonate, 80-20 percent of modified copolyester PCTG, 0.1-1.0 percent of antioxidant, 0.01-0.5 percent of toner, and 0.01-0.5 percent of ultraviolet absorber, pouring the weighed components into a mixer, mixing the components, placing the components in an extruder for melting, and extruding for granulation. Since the modified copolyester PCTG is added to modify the polycarbonate, the polycarbonate alloy with low cost and good toughness can be obtained.
Description
[technical field]
The present invention relates to technical field of polymer materials, relate in particular to a kind of polycarbonate alloy and preparation method thereof.
[background technology]
Polycarbonate is a kind of water white indefiniteness thermoplastic material, have heat-resisting, shock resistance, fire-retardant, advantages such as favorable mechanical performance are all arranged in common use temperature, be widely used in electronics, electrical equipment, container package, fields such as finishing material.But its defective aspect proof stress has seriously restricted its application in other field.
[summary of the invention]
The present invention is directed to the above-mentioned defective of prior art, a kind of polycarbonate alloy and preparation method thereof is provided, with the toughness of reinforced polycarbonate.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions:
A kind of polycarbonate alloy and preparation method thereof takes by weighing following component by weight percentage: polycarbonate 20-80%, modified copolyesters PCTG80-20%, oxidation inhibitor 0.1-1.0%, toner 0.01-0.5%, UV light absorber 0.01-0.5%; Pour each component that takes by weighing into stirrer and stir, and place forcing machine fusion extruding pelletization then.
Wherein, described polycarbonate is powdery or granular or powdery and granulous mixture.
Wherein, oxidation inhibitor is 4, the mixture of a kind of or its arbitrary combination in 4 '-thiobis (the 6-tertiary butyl-3-methylphenol), tris phosphite (2, the 4-di-tert-butyl-phenyl), four [β-(3, the 5 di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester.
Wherein, UV light absorber is a Whitfield's ointment dihydroxyphenyl propane ester, 2-hydroxyl-4 n-octyloxies-benzophenone, 2, the 4-dihydroxy benaophenonel, the mixture of a kind of or its arbitrary combination in 2-(2 '-dihydroxyl-the 3 '-tertiary butyl-5 '-aminomethyl phenyl)-5-chlorobenzotriazole.
Wherein, forcing machine is a single screw extrusion machine, and the temperature in each district of forcing machine is: a district 270-285 ℃, two district 280-290 ℃, three district 285-295 ℃, four district 290-300 ℃, five district 290-300 ℃.
As can be seen from the above technical solutions, the present invention carries out modification by adding modified copolyesters PCTG to polycarbonate, kept polycarbonate heat-resisting, shock resistance, fire-retardant, also obtain to have good toughness in the time of the favorable mechanical performance, chemical resistance, high tear resistance and good processing properties, the toughness of more common polycarbonate is significantly improved.Because modified copolyesters PCTG is lower than polycarbonate price, so the cost of the polycarbonate alloy of equivalent is lower than polycarbonate.
[embodiment]
The present invention is further detailed explanation below in conjunction with embodiment.
Embodiment one: take by weighing following component by weight percentage
Polycarbonate 20%
Modified copolyesters PCTG 79.88%
4,4 '-thiobis (the 6-tertiary butyl-3-methylphenol) 0.1%
Toner 0.01%
Whitfield's ointment dihydroxyphenyl propane ester 0.01%
Pour each component that takes by weighing into stirrer and stir, and place single screw extrusion machine fusion extruding pelletization then, screw speed 42Hz, it is as follows that temperature is set:
270 ℃ in one district, 280 ℃ in two districts, 285 ℃ in three districts, 290 ℃ in four districts, 290 ℃ in five districts
Embodiment two: take by weighing following component by weight percentage
Polycarbonate 40%
Modified copolyesters PCTG 59.6%
4,4 '-thiobis (the 6-tertiary butyl-3-methylphenol) 0.3%
Toner 0.05%
Whitfield's ointment dihydroxyphenyl propane ester 0.05%
Pour each component that takes by weighing into stirrer and stir, and place single screw extrusion machine fusion extruding pelletization then, screw speed 42Hz, it is as follows that temperature is set:
275 ℃ in one district, 280 ℃ in two districts, 285 ℃ in three districts, 290 ℃ in four districts, 295 ℃ in five districts
Embodiment three: take by weighing following component by weight percentage
Polycarbonate 60%
Modified copolyesters PCTG 39.3%
4,4 '-thiobis (the 6-tertiary butyl-3-methylphenol) 0.5%
Toner 0.1%
Whitfield's ointment dihydroxyphenyl propane ester 0.1%
Pour each component that takes by weighing into stirrer and stir, and place single screw extrusion machine fusion extruding pelletization then, screw speed 42Hz, it is as follows that temperature is set:
280 ℃ in one district, 285 ℃ in two districts, 290 ℃ in three districts, 290 ℃ in four districts, 300 ℃ in five districts
Embodiment four: take by weighing following component by weight percentage
Polycarbonate 65%
Modified copolyesters PCTG 33.6%
4,4 '-thiobis (the 6-tertiary butyl-3-methylphenol) 0.8%
Toner 0.3%
Whitfield's ointment dihydroxyphenyl propane ester 0.3%
Pour each component that takes by weighing into stirrer and stir, and place single screw extrusion machine fusion extruding pelletization then, screw speed 42Hz, it is as follows that temperature is set:
280 ℃ in one district, 285 ℃ in two districts, 295 ℃ in three districts, 295 ℃ in four districts, 300 ℃ in five districts
Embodiment five: take by weighing following component by weight percentage
Polycarbonate 78%
Modified copolyesters PCTG 20%
4,4 '-thiobis (the 6-tertiary butyl-3-methylphenol) 1.0%
Toner 0.5%
Whitfield's ointment dihydroxyphenyl propane ester 0.5%
Pour each component that takes by weighing into stirrer and stir, and place single screw extrusion machine fusion extruding pelletization then, screw speed 42Hz, it is as follows that temperature is set:
285 ℃ in one district, 290 ℃ in two districts, 295 ℃ in three districts, 295 ℃ in four districts, 300 ℃ in five districts
Wherein, modified copolyesters PCTG amorphism copolyesters, its comonomer commonly used is 1,4 cyclohexane dimethanol (CHDM), full name is polyethylene terephthalate-1,4 cyclohexane dimethanol ester.It is by terephthalic acid (TPA), ethylene glycol (EG) and three kinds of monomers of 1,4 cyclohexane dimethanol (CHDM) product with the ester-interchange method polycondensation.Has high-clarity, good toughness and shock strength, excellent low-temperature flexibility, high tear resistance and good processing properties, excellent chemical resistance.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (5)
1. polycarbonate alloy and preparation method thereof, it is characterized in that, take by weighing following component by weight percentage: polycarbonate 20-80%, modified copolyesters PCTG80-20%, oxidation inhibitor 0.1-1.0%, toner 0.01-0.5%, UV light absorber 0.01-0.5%;
Pour each component that takes by weighing into stirrer and stir, and place forcing machine fusion extruding pelletization then.
2. polycarbonate alloy according to claim 1 is characterized in that, described polycarbonate is powdery or granular or powdery and granulous mixture.
3. polycarbonate alloy according to claim 1 and preparation method thereof, it is characterized in that, oxidation inhibitor is 4,4 '-thiobis (the 6-tertiary butyl-3-methylphenol), tris phosphite (2, the 4-di-tert-butyl-phenyl), the mixture of a kind of or its arbitrary combination in four [β-(3,5 di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester.
4. polycarbonate alloy according to claim 1 and preparation method thereof, it is characterized in that, UV light absorber is a Whitfield's ointment dihydroxyphenyl propane ester, 2-hydroxyl-4 n-octyloxies-benzophenone, 2, the 4-dihydroxy benaophenonel, the mixture of a kind of or its arbitrary combination in 2-(2 '-dihydroxyl-the 3 '-tertiary butyl-5 '-aminomethyl phenyl)-5-chlorobenzotriazole.
5. polycarbonate alloy according to claim 1 and preparation method thereof, it is characterized in that, forcing machine is a single screw extrusion machine, and the temperature in each district of forcing machine is: a district 270-285 ℃, two district 280-290 ℃, three district 285-295 ℃, four district 290-300 ℃, five district 290-300 ℃.
Priority Applications (1)
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CN201010190940A CN101845214A (en) | 2010-05-28 | 2010-05-28 | Polycarbonate alloy and preparation method thereof |
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CN201010190940A CN101845214A (en) | 2010-05-28 | 2010-05-28 | Polycarbonate alloy and preparation method thereof |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104277442A (en) * | 2014-10-09 | 2015-01-14 | 深圳市鑫方上科技有限公司 | Thermoplastic composition as well as preparation method and application thereof |
CN104356612A (en) * | 2014-10-24 | 2015-02-18 | 科沃斯机器人有限公司 | Anti-yellowing and hydrolysis-resistant polyester blend |
CN106118010A (en) * | 2016-08-24 | 2016-11-16 | 陈志凤 | A kind of PC alloy material and its preparation method and application |
CN107987504A (en) * | 2017-12-12 | 2018-05-04 | 东莞市优特美工程塑料有限公司 | Easily molded PC/PCTG materials of high temperature resistant and preparation method thereof |
CN109438930A (en) * | 2018-09-29 | 2019-03-08 | 诺思贝瑞新材料科技(苏州)有限公司 | A kind of fire-retardant light diffusion polyester material and preparation method thereof, application |
CN109912943A (en) * | 2019-03-28 | 2019-06-21 | 东莞市建泓新材料科技有限公司 | A kind of the high-impact copolyester alloy modified material and preparation method of case board |
CN112778740A (en) * | 2021-01-10 | 2021-05-11 | 深圳市富恒新材料股份有限公司 | Chemical-resistant transparent polycarbonate composite material with high glowing filament ignition temperature and preparation method thereof |
US11499010B2 (en) | 2018-08-10 | 2022-11-15 | Lg Chem, Ltd. | Polycarbonate and preparation method thereof |
US11884777B2 (en) | 2018-09-14 | 2024-01-30 | Lg Chem, Ltd. | Diol compound, polycarbonate, and preparation method of the same |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1612806A (en) * | 2002-02-08 | 2005-05-04 | 伊斯曼化学公司 | Ultraviolet protected multi-layer structures of copolyester/polycarbonate blends |
-
2010
- 2010-05-28 CN CN201010190940A patent/CN101845214A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1612806A (en) * | 2002-02-08 | 2005-05-04 | 伊斯曼化学公司 | Ultraviolet protected multi-layer structures of copolyester/polycarbonate blends |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104277442A (en) * | 2014-10-09 | 2015-01-14 | 深圳市鑫方上科技有限公司 | Thermoplastic composition as well as preparation method and application thereof |
CN104356612A (en) * | 2014-10-24 | 2015-02-18 | 科沃斯机器人有限公司 | Anti-yellowing and hydrolysis-resistant polyester blend |
CN104356612B (en) * | 2014-10-24 | 2016-07-06 | 科沃斯机器人有限公司 | A kind of anti-xanthochromia resistant to hydrolysis polyester blend |
CN106118010A (en) * | 2016-08-24 | 2016-11-16 | 陈志凤 | A kind of PC alloy material and its preparation method and application |
CN107987504A (en) * | 2017-12-12 | 2018-05-04 | 东莞市优特美工程塑料有限公司 | Easily molded PC/PCTG materials of high temperature resistant and preparation method thereof |
US11499010B2 (en) | 2018-08-10 | 2022-11-15 | Lg Chem, Ltd. | Polycarbonate and preparation method thereof |
US11884777B2 (en) | 2018-09-14 | 2024-01-30 | Lg Chem, Ltd. | Diol compound, polycarbonate, and preparation method of the same |
CN109438930A (en) * | 2018-09-29 | 2019-03-08 | 诺思贝瑞新材料科技(苏州)有限公司 | A kind of fire-retardant light diffusion polyester material and preparation method thereof, application |
CN109912943A (en) * | 2019-03-28 | 2019-06-21 | 东莞市建泓新材料科技有限公司 | A kind of the high-impact copolyester alloy modified material and preparation method of case board |
CN112778740A (en) * | 2021-01-10 | 2021-05-11 | 深圳市富恒新材料股份有限公司 | Chemical-resistant transparent polycarbonate composite material with high glowing filament ignition temperature and preparation method thereof |
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Open date: 20100929 |