CN103275475A - Polycarbonate composition and preparation method thereof - Google Patents
Polycarbonate composition and preparation method thereof Download PDFInfo
- Publication number
- CN103275475A CN103275475A CN2013101481678A CN201310148167A CN103275475A CN 103275475 A CN103275475 A CN 103275475A CN 2013101481678 A CN2013101481678 A CN 2013101481678A CN 201310148167 A CN201310148167 A CN 201310148167A CN 103275475 A CN103275475 A CN 103275475A
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- butyl
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- polycarbonate compositions
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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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- 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
- B29C2948/92885—Screw or gear
-
- 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)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses a polycarbonate composition and a preparation method thereof. The polycarbonate composition comprises, by weight, 100 parts of polycarbonate, 2 to 6 parts of a heat stabilizer, 5 to 10 parts of a flexibilizer, 3 to 8 parts of a flowable agent, 2 to 4 parts of an ultraviolet ray absorber and 2 to 4 parts of an anti-oxidant. The preparation method has a simple principle, a low cost, and low equipment requirements. The polycarbonate composition has good high-temperature and low-temperature resistance, impact resistance, aging resistance, fluidity and weatherability.
Description
Technical field
The present invention relates to polymeric material field, relate in particular to a kind of polycarbonate compositions and preparation method thereof.
Background technology
Polycarbonate (PC) is the high molecular polymer that contains carbonate group in a kind of molecular chain, and it has become the fastest general engineering plastic of rate of growth in the five large-engineering plastics.Because polypropylene has better chemical stability, so polypropylene is fit to make various chemical pipelines and accessory.
But the polycarbonate compositions of traditional preparation process is acted upon by temperature changes greatly, easy wearing out, and shock resistance and mobile relatively poor has limited its further application.
Summary of the invention
Main purpose of the present invention is to provide polycarbonate of a kind of high-low temperature resistant, shock resistance, anti-aging, good fluidity and preparation method thereof.
The present invention proposes a kind of polycarbonate compositions, by weight, comprises following component:
Preferably, described thermo-stabilizer comprises at least a of following component: pentaerythritol ester and stearic acid.
Preferably, described toughner comprises at least a of following component: alkene octene copolymer, ethylene-butylene copolymer, ethylene propylene copolymer and styrene-butadiene-copolymer.
Preferably, described flowing agent comprises at least a of following component: ethylene bis stearamide, tetramethylolmethane stearate, PE wax.
Preferably, described ultraviolet absorbers comprises at least a of following component: from Whitfield's ointment dihydroxyphenyl propane ester, 2-hydroxyl-4 n-octyloxies-benzophenone, 2,4 dihydroxyl benzophenone and 2-(2 '-dihydroxyl-the 3 '-tertiary butyl-5 '-aminomethyl phenyl)-5-chlorobenzotriazole.
Preferably, described oxidation inhibitor comprises at least a of following component: 4,4 '-thiobis (the 6-tertiary butyl-3-methylphenol), β-(3, three grades of butyl of 5--4-hydroxy phenyl) propionic acid octadecanol ester, tris phosphite (2, the 4-di-tert-butyl-phenyl), two (2.4-di-tert-butyl-phenyl) pentaerythritol diphosphites, four (β-(3,5 di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol ester.
The present invention proposes a kind of preparation method of polycarbonate compositions in addition, each component that below relates to by weight, described preparation method may further comprise the steps:
Step 1,100 parts of polycarbonate, 2-6 part thermo-stabilizer, 5-10 part toughner, 3-8 part flowing agent, 2-4 part UV light absorber, 2-4 part oxidation inhibitor are added in the stirrer, and stir and to make it to form uniform first mixture, and first mixture is placed temperature is under 100-110 ℃ the environment dry 4-6 hour;
Step 2, described first mixture is added in the twin screw extruder temperature of control screw speed and twin screw extruder; Making described first mixture is that 450-550 commentaries on classics/min, temperature are fusion under 100-230 ℃ the condition at screw speed, and mixes and extrude, and obtains polycarbonate compositions.
Preferably, described thermo-stabilizer comprises at least a of following component: pentaerythritol ester and stearic acid;
Described toughner comprises at least a of following component: alkene octene copolymer, ethylene-butylene copolymer, ethylene propylene copolymer and styrene-butadiene-copolymer.
Preferably, described flowing agent comprises at least a of following component: ethylene bis stearamide, tetramethylolmethane stearate, PE wax;
Described ultraviolet absorbers comprises at least a of following component: from Whitfield's ointment dihydroxyphenyl propane ester, 2-hydroxyl-4 n-octyloxies-benzophenone, 2,4 dihydroxyl benzophenone, 2-(2 '-dihydroxyl-the 3 '-tertiary butyl-5 '-aminomethyl phenyl)-5-chlorobenzotriazole.
Preferably, described oxidation inhibitor comprises at least a of following component: 4,4 '-thiobis (the 6-tertiary butyl-3-methylphenol), β-(3, three grades of butyl of 5--4-hydroxy phenyl) propionic acid octadecanol ester, tris phosphite (2, the 4-di-tert-butyl-phenyl), two (2.4-di-tert-butyl-phenyl) pentaerythritol diphosphites, four (β-(3,5 di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol ester.
Polycarbonate compositions provided by the present invention and preparation method thereof, wherein said preparation method's principle is simple, cost is low, and is not high to equipment requirements, and the polypropene composition that makes has good resistant of high or low temperature, shock resistance, resistance to deterioration, flowability and weathering resistance.
Embodiment
Further specify the present invention below by embodiment.
Embodiment 1
To press the content of table 1 appointment given for related component concentration in the present embodiment.
Step 1, polycarbonate, thermo-stabilizer, toughner, flowing agent, UV light absorber, oxidation inhibitor are added in the stirrer, and stirring makes it to form uniform first mixture, and first mixture is placed temperature is dry under the environment of T1, and be t1 time of drying.
Step 2, described first mixture is added in the twin screw extruder temperature of control screw speed and twin screw extruder; Making described first mixture is V at screw speed, one district's temperature of twin screw extruder is that T2, two district's temperature are that T3, three district's temperature are that T4, four district's temperature are that T5, five district's temperature are that T6 six district's temperature are that T7, seven district's temperature are that T8, eight district's temperature are that T9, nine district's temperature are fusion under the condition of T10, and mix extrude, check rod, cooling, air-dry, pelletizing, obtain the polycarbonate compositions particle.
The polycarbonate compositions particle of above-described embodiment 1 preparation is carried out performance test, and test result is referring to table 1.
Embodiment 2
Press the method for each component concentration repetition embodiment 1 of appointment in the table 1, the polycarbonate compositions particle that present embodiment is prepared carries out performance measurement according to the described standard of table 1, and measuring result is referring to table 1.
Embodiment 3
Press the method for each component concentration repetition embodiment 1 of appointment in the table 1, the polycarbonate compositions particle that present embodiment is prepared carries out performance measurement according to the described standard of table 1, and measuring result is referring to table 1.
Embodiment 4
Press the method for each component concentration repetition embodiment 1 of appointment in the table 1, the polycarbonate compositions particle that present embodiment is prepared carries out performance measurement according to the described standard of table 1, and measuring result is referring to table 1.
Embodiment 5
Press the method for each component concentration repetition embodiment 1 of appointment in the table 1, the polycarbonate compositions particle that present embodiment is prepared carries out performance measurement according to the described standard of table 1, and measuring result is referring to table 1.
Embodiment 6
Press the method for each component concentration repetition embodiment 1 of appointment in the table 1, the polycarbonate compositions particle that present embodiment is prepared carries out performance measurement according to the described standard of table 1, and measuring result is referring to table 1.
Each performance data value from the prepared polycarbonate compositions particle correspondence table 1 of above-described embodiment 1-6, the polycarbonate compositions particle that provides of the present invention preparation method's principle of the prior art relatively is simple as can be known, cost is low, not high to equipment requirements, the polycarbonate compositions particle that makes has resistant of high or low temperature, shock resistance, resistance to deterioration, flowability and weathering resistance.
The toughner that adopts among the preparation method of polycarbonate compositions provided by the present invention can also adopt alkene octene copolymer, ethylene propylene copolymer except ethylene-butylene copolymer, styrene-butadiene-copolymer that above embodiment adopts.
The tetramethylolmethane stearate that the flowing agent that adopts adopts except above-described embodiment, PE wax can also adopt ethylene bis stearamide.
The ultraviolet absorbers that adopts is except two (2 of above-described embodiment employing, 2,6,6-tetramethyl--4-piperidines) sebate, 2-hydroxyl-4 n-octyloxies-benzophenone, 2, the 4-dihydroxy benaophenonel can also adopt from Whitfield's ointment dihydroxyphenyl propane ester, 2-(2 '-dihydroxyl-the 3 '-tertiary butyl-5 '-aminomethyl phenyl)-5-chlorobenzotriazole.
The oxidation inhibitor that adopts is except four-(2 of above-described embodiment employing, the 4-di-tert-butyl-phenyl)-4,4 '-the two inferior phosphides, 4 of xenyl, 4 '-thiobis (the 6-tertiary butyl-3-methylphenol), two (2.4-di-tert-butyl-phenyl) pentaerythritol diphosphites, can also adopt β-(3, three grades of butyl of 5--4-hydroxy phenyl) propionic acid octadecanol ester, tris phosphite (2,4-di-tert-butyl-phenyl), four (β-(3,5 di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol ester.
Should be understood that the present invention can summarize with other the specific form without prejudice to spirit of the present invention or principal character.Therefore, no matter from which point, the above embodiment of the present invention can only be thought can not limit the present invention to explanation of the present invention, claims have been pointed out scope of the present invention, and scope of the present invention is not pointed out in above-mentioned explanation, therefore in the implication suitable with claims of the present invention and any change in the scope, all should think to be included in the scope of claims.
Table 1
Claims (10)
1. polycarbonate compositions by weight, comprises following component:
2. polycarbonate compositions according to claim 1 is characterized in that, described thermo-stabilizer comprises at least a of following component: pentaerythritol ester and stearic acid.
3. polycarbonate compositions according to claim 1 is characterized in that, described toughner comprises at least a of following component: alkene octene copolymer, ethylene-butylene copolymer, ethylene propylene copolymer and styrene-butadiene-copolymer.
4. polycarbonate compositions according to claim 1 is characterized in that, described flowing agent comprises at least a of following component: ethylene bis stearamide, tetramethylolmethane stearate, PE wax.
5. polycarbonate compositions according to claim 1, it is characterized in that, described ultraviolet absorbers comprises at least a of following component: from Whitfield's ointment dihydroxyphenyl propane ester, 2-hydroxyl-4 n-octyloxies-benzophenone, 2,4-dihydroxy benaophenonel, 2-(2 '-dihydroxyl-the 3 '-tertiary butyl-5 '-aminomethyl phenyl)-5-chlorobenzotriazole, two (2,2,6,6-tetramethyl--4-piperidines) sebate.
6. according to each described polycarbonate compositions of claim 1-5, it is characterized in that, described oxidation inhibitor comprises at least a of following component: 4,4 '-thiobis (the 6-tertiary butyl-3-methylphenol), β-(3, three grades of butyl of 5--4-hydroxy phenyl) propionic acid octadecanol ester, tris phosphite (2, the 4-di-tert-butyl-phenyl), two (2.4-di-tert-butyl-phenyl) pentaerythritol diphosphites, four (β-(3,5 di-tert-butyl-hydroxy phenyls) pentaerythritol ester, four-(2 propionic acid), the 4-di-tert-butyl-phenyl)-4,4 '-the two inferior phosphides of xenyl.
7. the preparation method of a polycarbonate compositions, each component that below relates to by weight, described preparation method may further comprise the steps:
Step 1,100 parts of polycarbonate, 2-6 part thermo-stabilizer, 5-10 part toughner, 3-8 part flowing agent, 2-4 part UV light absorber, 2-4 part oxidation inhibitor are added in the stirrer, and stir and to make it to form uniform first mixture, and first mixture is placed temperature is under 100-110 ℃ the environment dry 4-6 hour;
Step 2, described first mixture is added in the twin screw extruder temperature of control screw speed and twin screw extruder; Making described first mixture is that 450-550 commentaries on classics/min, temperature are fusion under 100-230 ℃ the condition at screw speed, and mixes and extrude, and obtains polycarbonate compositions.
8. the preparation method of polycarbonate compositions according to claim 7 is characterized in that, described thermo-stabilizer comprises at least a of following component: pentaerythritol ester and stearic acid;
Described toughner comprises at least a of following component: alkene octene copolymer, ethylene-butylene copolymer, ethylene propylene copolymer and styrene-butadiene-copolymer.
9. the preparation method of polycarbonate compositions according to claim 7 is characterized in that, described flowing agent comprises at least a of following component: ethylene bis stearamide, tetramethylolmethane stearate, PE wax;
Described ultraviolet absorbers comprises at least a of following component: from Whitfield's ointment dihydroxyphenyl propane ester, 2-hydroxyl-4 n-octyloxies-benzophenone, 2,4 dihydroxyl benzophenone, 2-(2 '-dihydroxyl-the 3 '-tertiary butyl-5 '-aminomethyl phenyl)-5-chlorobenzotriazole.
10. according to the preparation method of each described polycarbonate compositions of claim 7-9, it is characterized in that, described oxidation inhibitor comprises at least a of following component: 4,4 '-thiobis (the 6-tertiary butyl-3-methylphenol), β-(3, three grades of butyl of 5--4-hydroxy phenyl) propionic acid octadecanol ester, tris phosphite (2, the 4-di-tert-butyl-phenyl), two (2.4-di-tert-butyl-phenyl) pentaerythritol diphosphites, four (β-(3,5 di-tert-butyl-hydroxy phenyl) propionic acid) pentaerythritol ester.
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| CN201310148167.8A CN103275475B (en) | 2013-04-25 | 2013-04-25 | Polycarbonate composition and preparation method thereof |
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| CN201310148167.8A CN103275475B (en) | 2013-04-25 | 2013-04-25 | Polycarbonate composition and preparation method thereof |
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| CN103275475B CN103275475B (en) | 2015-05-06 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103554890A (en) * | 2013-11-08 | 2014-02-05 | 苏州市双赢包装材料有限公司 | Polycarbonate plastic sheet |
| CN114702807A (en) * | 2022-02-17 | 2022-07-05 | 重庆鑫翎创福光电科技股份有限公司 | Polycarbonate plastic plate with self-cleaning function and preparation method thereof |
| CN114702806A (en) * | 2022-02-17 | 2022-07-05 | 重庆鑫翎创福光电科技股份有限公司 | Modifier for PC (polycarbonate) plate |
| 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 |
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| CN101113236A (en) * | 2007-08-30 | 2008-01-30 | 上海金发科技发展有限公司 | Non-halogen non-phosphate flame-proof polycarbonate resin and method for preparing same |
| CN101469113A (en) * | 2007-12-24 | 2009-07-01 | 上海杰事杰新材料股份有限公司 | Halogen-free flame-retardant toughened polycarbonate composition |
| CN102234416A (en) * | 2011-05-06 | 2011-11-09 | 深圳市兴迪塑胶有限公司 | Polycarbonate resin composition for outdoor communication cabinets and preparation method thereof |
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2013
- 2013-04-25 CN CN201310148167.8A patent/CN103275475B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101113236A (en) * | 2007-08-30 | 2008-01-30 | 上海金发科技发展有限公司 | Non-halogen non-phosphate flame-proof polycarbonate resin and method for preparing same |
| CN101469113A (en) * | 2007-12-24 | 2009-07-01 | 上海杰事杰新材料股份有限公司 | Halogen-free flame-retardant toughened polycarbonate composition |
| CN102234416A (en) * | 2011-05-06 | 2011-11-09 | 深圳市兴迪塑胶有限公司 | Polycarbonate resin composition for outdoor communication cabinets and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103554890A (en) * | 2013-11-08 | 2014-02-05 | 苏州市双赢包装材料有限公司 | Polycarbonate plastic sheet |
| 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 |
| CN114702807A (en) * | 2022-02-17 | 2022-07-05 | 重庆鑫翎创福光电科技股份有限公司 | Polycarbonate plastic plate with self-cleaning function and preparation method thereof |
| CN114702806A (en) * | 2022-02-17 | 2022-07-05 | 重庆鑫翎创福光电科技股份有限公司 | Modifier for PC (polycarbonate) plate |
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| CN103275475B (en) | 2015-05-06 |
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