CN105315645A - Transparent PC composite and preparation method thereof - Google Patents
Transparent PC composite and preparation method thereof Download PDFInfo
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- CN105315645A CN105315645A CN201510659279.9A CN201510659279A CN105315645A CN 105315645 A CN105315645 A CN 105315645A CN 201510659279 A CN201510659279 A CN 201510659279A CN 105315645 A CN105315645 A CN 105315645A
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Abstract
The invention discloses a transparent PC composite and a preparation method thereof. The transparent PC composite is prepared from, by weight, 50-90% of aromatic PC, 10-40% of siloxane-PC copolymers, 0-15% of syndiotactic polystyrene, 0.2-1% of an antioxidant and 0.2-1% of a processing agent. The preparation method includes the steps that the raw materials are weighed according to the weight ratios, evenly mixed through a mixer and then pelletized through a twin-screw extruder. The PC composite has good forming fluidity, high notch impact strength and excellent chemical solvent resistance and transparency. The transparent PC composite can be applied to shells of electronic and electrical appliances such as mobile phones, tablet personal computers, portable electrical appliances and lampshades.
Description
[technical field]
The present invention relates to polymeric material field, particularly relate to a kind of transparent PC matrix material and preparation method thereof.
[background technology]
Polycarbonate (PC) is one of five large-engineering plastics, is widely used in the inner center of the electric equipment productss such as mobile phone, ammeter, notebook, panel computer or shell because it has the excellent over-all properties such as higher shock strength, dimensional stability and high-clarity.
When particularly PC is used for electronic and electrical equipment casing products, generally will spray paint processing in surface.Spraying paint in the course of processing, Organic chemical solvents can penetrate in PC material, causes material mechanical performance to decline to a great extent.Especially when there being the injection moulding of two glue-feeder, can produce joint line, Organic chemical solvents penetrates into PC material can cause joint line place easy fracture.Thus cause PC material failure.
[summary of the invention]
The technical problem to be solved in the present invention transparent PC matrix material being to provide a kind of chemically-resistant solvent and preparation method thereof.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is, a kind of transparent PC matrix material, composed of the following components by weight percentage:
Above-described transparent PC matrix material, described PC is aromatic bisphenols A type polycarbonate, and weight-average molecular weight is 20,000-5 ten thousand.
Above-described transparent PC matrix material, described siloxanes-PC multipolymer is Siloxane-polycarbonate segmented copolymer, and weight-average molecular weight is 30,000-10 ten thousand.
Above-described transparent PC matrix material, described syndiotactic polystyrene (SPS) is for advising the polystyrene of configuration between having, and a normality is 90%-100%.
Above-described transparent PC matrix material, described oxidation inhibitor is the composite of primary antioxidant and auxiliary antioxidant, and primary antioxidant is β-positive octadecanol ester of (3,5-di-tert-butyl-hydroxy phenyl) propionic acid, auxiliary antioxidant is tricresyl phosphite (2,4-di-tert-butyl) ester; Lubricant is tetrafluoroethylene and/or pentaerythritol stearate.
A preparation method for above-mentioned transparent PC matrix material, comprises the following steps:
Step one, take each component successively by above-mentioned weight percent, the PC taken, siloxanes-PC multipolymer, syndiotactic polystyrene, processing aid are mixed 5-10 minute in high-speed mixer;
Step 2, to be melt extruded by twin screw extruder, through cooling, pelletizing, obtain transparent PC matrix material pellet; Wherein, in step 2, the temperature of twin screw extruder is set to: a district 240-260 DEG C; Two district 250-280 DEG C; Three district 250-280 DEG C; Four district 250-280 DEG C; Five district 250-280 DEG C, six district 250-280 DEG C, seven district 250-280 DEG C, eight district 250-280 DEG C, head temperature 250-280 DEG C, extruder screw rotating speed controls at 200-300r/min;
Step 3, be dry 3-6 hour in the loft drier of 100-120 DEG C in temperature by obtained transparent PC matrix material pellet.
The present invention, by blended to aromatic copolycarbonate (PC), siloxanes-PC multipolymer and syndiotactic polystyrene (SPS), prepares a kind of chemical resistant properties transparent PC material.
Siloxanes-PC multipolymer has very high notched Izod impact strength, good chemical resistance and transparency.Syndiotactic polystyrene (SPS) is arranged alternately in molecular backbone chain both sides because phenyl ring is well-regulated, demonstrates crystallinity, has the performance of polystyrene and crystalline resin concurrently, has very superior thermotolerance, chemical resistant properties, solvent resistance.And it is good with PC resin compatible.
The present invention by high for blended to aromatic series PC, siloxanes-PC multipolymer and syndiotactic polystyrene (SPS) obtained PC material flowability, chemically-resistant solvent soaking stress cracking performance is good, good mechanical performance, also keep higher transmittance simultaneously.
Transparent PC matrix material of the present invention can be applicable to the electronic apparatus shells such as mobile phone, panel computer, portable electrical equipment, lampshade.
[embodiment]
Below by embodiment, the present invention is further detailed explanation.
The solvent of the resistance to change transparent PC material of the embodiment of the present invention, composed of the following components by mass percentage:
In the examples below,
PC resin is aromatic series PC, and be selected from Samsung (trade(brand)name: SC-1100), weight-average molecular weight is 3.5 ten thousand;
Siloxanes-PC multipolymer is selected from husky uncle's radical innovations (trade(brand)name: EXL6414), and weight-average molecular weight is 4.5 ten thousand;
Syndiotactic polystyrene (SPS) is selected from bright dipping (trade(brand)name: S105);
Primary antioxidant selects vapour to cling to 1076, and auxiliary antioxidant selects vapour to cling to 168;
Pentaerythritol stearate (trade(brand)name: the peaceful PETSP861 of section) selected by lubricant.
The preparation method of the transparent PC matrix material of the following case study on implementation of the present invention, comprises the following steps:
Step one, take each component successively by above-mentioned weight percent, the PC taken, siloxanes-PC multipolymer, syndiotactic polystyrene, oxidation inhibitor and lubricant are mixed 5-10 minute in high-speed mixer;
Step 2, to be melt extruded by twin screw extruder, through cooling, pelletizing, obtain transparent PC matrix material pellet; Wherein, in step 2, the temperature of twin screw extruder is set to: a district 240-260 DEG C; Two district 250-280 DEG C; Three district 250-280 DEG C; Four district 250-280 DEG C; Five district 250-280 DEG C, six district 250-280 DEG C, seven district 250-280 DEG C, eight district 250-280 DEG C, head temperature 250-280 DEG C, extruder screw rotating speed controls at 200-300r/min;
Step 3, be dry 3-6 hour in the loft drier of 100-120 DEG C in temperature by obtained transparent PC matrix material pellet.
Comparative example 1:
By quality, 99.4 parts of PC, 0.2 part of antioxidant 1076,0.2 part of irgasfos 168,0.2 part of lubricant PETS are put into high-speed mixer, mix 10 minutes under room temperature and take out; Above-mentioned mixed uniformly blend composition is melt extruded by twin screw extruder, cools, granulation, and be in the loft drier of 120 DEG C dry 3 hours in temperature by the PC material pellet obtained.Obtain transparent PC matrix material.
Comparative example 2:
By quality, 94.4 parts of PC, 5 parts of SPS, 0.2 part of antioxidant 1076,0.2 part of irgasfos 168,0.2 part of lubricant PETS are put into high-speed mixer, mix 10 minutes under room temperature and take out; Above-mentioned mixed uniformly blend composition is melt extruded by twin screw extruder, cools, granulation, and be in the loft drier of 120 DEG C dry 3 hours in temperature by the PC material pellet obtained.Obtain transparent PC matrix material.
Comparative example 3:
By quality, 89.4 parts of PC, 10 parts of SPS, 0.2 part of antioxidant 1076,0.2 part of irgasfos 168,0.2 part of lubricant PETS are put into high-speed mixer, mix 10 minutes under room temperature and take out; Above-mentioned mixed uniformly blend composition is melt extruded by twin screw extruder, cools, granulation, and be in the loft drier of 120 DEG C dry 3 hours in temperature by the PC material pellet obtained.Obtain transparent PC matrix material.
Comparative example 4:
By quality, 84.4 parts of PC, 15 parts of SPS, 0.2 part of antioxidant 1076,0.2 part of irgasfos 168,0.2 part of lubricant PETS are put into high-speed mixer, mix 10 minutes under room temperature and take out; Above-mentioned mixed uniformly blend composition is melt extruded by twin screw extruder, cools, granulation, and be in the loft drier of 120 DEG C dry 3 hours in temperature by the PC material pellet obtained.Obtain transparent PC matrix material.
Embodiment 1:
By quality, 65.4 parts of PC, 30 parts of siloxanes-PC multipolymers, 4 parts of SPS, 0.2 part of antioxidant 1076,0.2 part of irgasfos 168,0.2 part of lubricant PETS are put into high-speed mixer, mix 10 minutes under room temperature and take out; Above-mentioned mixed uniformly blend composition is melt extruded by twin screw extruder, cools, granulation, and be in the loft drier of 120 DEG C dry 3 hours in temperature by the material pellet obtained, obtain transparent PC matrix material.Wherein, the temperature of twin screw extruder is set to: a district 240-260 DEG C; Two district 250-280 DEG C; Three district 250-280 DEG C; Four district 250-280 DEG C; Five district 250-280 DEG C, six district 250-280 DEG C, seven district 250-280 DEG C, eight district 250-280 DEG C, head temperature 250-280 DEG C, extruder screw rotating speed controls at 200-300r/min.
Embodiment 2:
By quality, 72.4 parts of PC, 20 parts of siloxanes-PC multipolymers, 7 parts of SPS, 0.2 part of antioxidant 1076,0.2 part of irgasfos 168,0.2 part of lubricant PETS are put into high-speed mixer, mix 10 minutes under room temperature and take out; Above-mentioned mixed uniformly blend composition is melt extruded by twin screw extruder, cools, granulation, and be in the loft drier of 120 DEG C dry 3 hours in temperature by the material pellet obtained, obtain transparent PC matrix material.Wherein, the temperature of twin screw extruder is set to: a district 240-260 DEG C; Two district 250-280 DEG C; Three district 250-280 DEG C; Four district 250-280 DEG C; Five district 250-280 DEG C, six district 250-280 DEG C, seven district 250-280 DEG C, eight district 250-280 DEG C, head temperature 250-280 DEG C, extruder screw rotating speed controls at 200-300r/min.
Embodiment 3:
By quality, 79.4 parts of PC, 10 parts of siloxanes-PC multipolymers, 10 parts of SPS, 0.2 part of antioxidant 1076,0.2 part of irgasfos 168,0.2 part of lubricant PETS are put into high-speed mixer, mix 10 minutes under room temperature and take out; Above-mentioned mixed uniformly blend composition is melt extruded by twin screw extruder, cools, granulation, and be in the loft drier of 120 DEG C dry 3 hours in temperature by the material pellet obtained, obtain transparent PC matrix material.Wherein, the temperature of twin screw extruder is set to: a district 240-260 DEG C; Two district 250-280 DEG C; Three district 250-280 DEG C; Four district 250-280 DEG C; Five district 250-280 DEG C, six district 250-280 DEG C, seven district 250-280 DEG C, eight district 250-280 DEG C, head temperature 250-280 DEG C, extruder screw rotating speed controls at 200-300r/min.
Embodiment 4:
By quality, 44.4 parts of PC, 55 parts of siloxanes-PC multipolymers, 0.2 part of antioxidant 1076,0.2 part of irgasfos 168,0.2 part of lubricant PETS are put into high-speed mixer, mix 10 minutes under room temperature and take out; Above-mentioned mixed uniformly blend composition is melt extruded by twin screw extruder, cools, granulation, and be in the loft drier of 120 DEG C dry 3 hours in temperature by the material pellet obtained, obtain transparent PC matrix material.Wherein, the temperature of twin screw extruder is set to: a district 240-260 DEG C; Two district 250-280 DEG C; Three district 250-280 DEG C; Four district 250-280 DEG C; Five district 250-280 DEG C, six district 250-280 DEG C, seven district 250-280 DEG C, eight district 250-280 DEG C, head temperature 250-280 DEG C, extruder screw rotating speed controls at 200-300r/min.
Chemically-resistant solvent testing method:
Obtained transparent PC matrix material is injection molded into the model of standard size 10cm × 10cm × 2mm, model is put into chemical solvents and soaks 10 minutes, then take out seasoning.Chemical solvents used can be gasoline, Glacial acetic acid, phenylformic acid, toluene, phosgene or tetracol phenixin etc.
After model drying, do ball falling impact test.Weight is that the steel ball of 2kg impacts model central position from the height freely falling body of 1 meter.Test sample plate quantity is 30.Namely model cracking rate weighs PC material chemical solvent resistance can be good and bad.
Model number/test sample plate sum × 100% of cracking rate=cracking
Be standard test specimen by transparent PC matrix material injection moulding on injection moulding machine obtained in comparative example 1 to 4 and embodiment 1 to 4, test performance measures by table 1:
Table 1
In table 1, each component concentration is mass percent.The testing standard of melting index is GB/T3682, and test condition is 300 DEG C/1.2kg; The testing standard of notched Izod impact strength is GB/T1843; The testing standard of test mist degree and transmittance is GB/T2410; The chemical solvents used tested by chemically-resistant solvent is Glacial acetic acid.
Can be found out by table 1, the transparent PC composite fluidity that the present invention obtains is good, and notched Izod impact strength is high, and chemical solvent resistance can be excellent, and still keep higher transmittance.The transparent PC matrix material that the present invention obtains can be applicable to electronic apparatus shell or the inner parts such as mobile phone, computer, portable electrical equipment, lampshade.
Above-described embodiment of the present invention, does not form limiting the scope of the present invention.Any amendment done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within claims of the present invention.
Claims (6)
1. a transparent PC matrix material, is characterized in that, composed of the following components by weight percentage:
2. transparent PC matrix material according to claim 1, is characterized in that, described PC is aromatic bisphenols A type polycarbonate, and weight-average molecular weight is 20,000-5 ten thousand.
3. transparent PC matrix material according to claim 1, is characterized in that, described siloxanes-PC multipolymer is Siloxane-polycarbonate segmented copolymer, and weight-average molecular weight is 30,000-10 ten thousand.
4. transparent PC matrix material according to claim 1, is characterized in that, described syndiotactic polystyrene, and a normality is 90%-100%.
5. transparent PC matrix material according to claim 1, it is characterized in that, described oxidation inhibitor is the composite of primary antioxidant and auxiliary antioxidant, primary antioxidant is β-(3,5-di-tert-butyl-hydroxy phenyl) the positive octadecanol ester of propionic acid, auxiliary antioxidant is tricresyl phosphite (2,4-di-tert-butyl) ester; Lubricant is tetrafluoroethylene and/or pentaerythritol stearate.
6. a preparation method for the transparent PC matrix material as described in claim arbitrary in claim 1 to 5, is characterized in that, comprise the following steps:
Step one, take each component successively by weight percent according to claim 1, the aromatic series PC taken, siloxanes-PC multipolymer, syndiotactic polystyrene, oxidation inhibitor and lubricant are mixed 5-10 minute in high-speed mixer;
Step 2, to be melt extruded by twin screw extruder, through cooling, pelletizing, obtain transparent PC matrix material pellet;
Wherein, in step 2, the temperature of twin screw extruder is set to: a district 240-260 DEG C; Two district 250-280 DEG C; Three district 250-280 DEG C; Four district 250-280 DEG C; Five district 250-280 DEG C, six district 250-280 DEG C, seven district 250-280 DEG C, eight district 250-280 DEG C, head temperature 250-280 DEG C, extruder screw rotating speed controls at 200-300r/min;
Step 3, be dry 3-6 hour in the loft drier of 100-120 DEG C in temperature by obtained transparent PC matrix material pellet.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107602837A (en) * | 2017-03-17 | 2018-01-19 | 中山市通彩化工科技有限公司 | Polysiloxane polycarbonate random copolymer is used for the purposes for improving plastic alloy intensity |
| CN108129821A (en) * | 2017-12-07 | 2018-06-08 | 东莞市高能高分子材料有限公司 | A kind of polycarbonate modified plastics of corrosion-resistant high rigidity and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101213255A (en) * | 2005-09-13 | 2008-07-02 | 通用电气公司 | Fatigue resistant thermoplastic composition, method of making, and articles formed therefrom |
| CN103282437A (en) * | 2010-12-30 | 2013-09-04 | 第一毛织株式会社 | Polycarbonate resin composition having excellent chemical resistance |
| CN104830041A (en) * | 2015-05-20 | 2015-08-12 | 中国民用航空总局第二研究所 | Low-thermal-release polycarbonate material and preparation method thereof |
-
2015
- 2015-10-12 CN CN201510659279.9A patent/CN105315645A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101213255A (en) * | 2005-09-13 | 2008-07-02 | 通用电气公司 | Fatigue resistant thermoplastic composition, method of making, and articles formed therefrom |
| CN103282437A (en) * | 2010-12-30 | 2013-09-04 | 第一毛织株式会社 | Polycarbonate resin composition having excellent chemical resistance |
| CN104830041A (en) * | 2015-05-20 | 2015-08-12 | 中国民用航空总局第二研究所 | Low-thermal-release polycarbonate material and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107602837A (en) * | 2017-03-17 | 2018-01-19 | 中山市通彩化工科技有限公司 | Polysiloxane polycarbonate random copolymer is used for the purposes for improving plastic alloy intensity |
| CN108129821A (en) * | 2017-12-07 | 2018-06-08 | 东莞市高能高分子材料有限公司 | A kind of polycarbonate modified plastics of corrosion-resistant high rigidity and preparation method thereof |
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Application publication date: 20160210 |
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