CN104530681A - High-performance ultraviolet-resistant PC/PBT composite material and preparation method thereof - Google Patents
High-performance ultraviolet-resistant PC/PBT composite material and preparation method thereof Download PDFInfo
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- CN104530681A CN104530681A CN201410838534.1A CN201410838534A CN104530681A CN 104530681 A CN104530681 A CN 104530681A CN 201410838534 A CN201410838534 A CN 201410838534A CN 104530681 A CN104530681 A CN 104530681A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92009—Measured parameter
- B29C2948/92209—Temperature
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a high-performance ultraviolet-resistant PC/PBT composite material and a preparation method thereof. The composite material comprises the following formula components in percentage by weight: 60-75 percent of polycarbonate PC, 10-35 percent of polybutylene terephthalate PBT, 2-10 percent of a compatilizer, 0.3-5 percent of an ester exchange inhibitor, 5-15 percent of a flexibilizer, 0.3-1 percent of an antioxidant and 0.3-1 percent of a light absorber. The material provided by the invention has good impact toughness, other mechanical properties and excellent ultraviolet resistance, and the defects that the PC materials are poor in machinability, low in solvent resistance and sensitive to notches, stress cracking easily occurs and the like are overcome. The composite material disclosed by the invention has excellent mechanical property and ultraviolet resistance and can be widely applied to the fields of medical application and automotive interior and exterior decoration.
Description
Technical field
The present invention relates to a kind of PC/PBT matrix material, be specially a kind of high-performance, anti-ultraviolet PC/PBT composite and preparation method thereof, belong to field of polymer composite material.
Background technology
Polycarbonate material is a kind of thermoplastic engineering plastic of high heat-resisting, high-impact, and it not only possesses the intensity as metal but also possess good ductility and toughness.Polycarbonate has good transparency, and comparatively easy coloring again.But it is to notch sensitive, more easily occur stress cracking, poor solvent resistance, viscosity is not easily processed comparatively greatly.
Polybutylene terephthalate (PBT) is a kind of crystalline thermoplastic material, and its crystallization rate is very fast, can crystallization rapidly at a lower temperature, more easily processes.PBT has good creep resistant, and when using at relatively high temperatures, mechanical property change is less, and possess good dimensional stability, possess good stress cracking resistance to organic solvents such as aliphatic hydrocarbons, the excellent goods of processability possess apparent preferably.
PC/PBT alloy can improve the mobility of PC material, stress crack resistant and solvent resistance, also can improve the shortcoming of the easy buckling deformation of pure PBT goods simultaneously.But easily there is transesterification reaction in polycarbonate and parylene's butanediol ester in the blended course of processing, the PC/PBT alloy material going for excellent property must add the ester exchange inhibitor of stable performance, consistency simultaneously between those semi-crystalline materials PC and crystalline material PBT is bad, so add the over-all properties that compatible increasing tougheness can improve alloy material, adding photostabilizer in order to the application space expanding PC/PBT can make it be applied to automobile interior exterior decorations, and the research of this respect is also less, this patent can provide a reference of this technological breakthrough.
Summary of the invention
The present invention aims to provide a kind of PC/PBT matrix material, is specially a kind of high-performance, anti-ultraviolet PC/PBT composite and preparation method thereof, to solve the problems referred to above of prior art.
The object of the invention is to have implemented by the following technical programs.
A kind of high-performance, anti-ultraviolet PC/PBT composite, comprise following raw material by weight percentage: polycarbonate: 60-75%; Polybutylene terephthalate PBT:10-35%; Compatilizer: 2-11%; Ester exchange inhibitor: 0.3-5%; Toughner: 5-15%; Oxidation inhibitor: 0.3-1%; Light absorber: 0.3-1%.
Described polycarbonate is bisphenol A-type aromatic copolycarbonate.
Described polycarbonate weight-average molecular weight 20000-30000g/mol, polycarbonate of the present invention is known and obtains by multiple commercial channel.
Described compatilizer is vinylbenzene-N-phenyl succinimide-copolymer-maleic anhydride (SMI).
Described toughner is methyl methacrylate/butadiene/styrene copolymers (MBS).
Described ester exchange inhibitor is at least one in triphenylphosphate (TPP) and organophosphorus ester.
Described oxidation inhibitor is one or more in Hinered phenols antioxidant and phosphoric acid ester oxidation inhibitor; Described Hinered phenols antioxidant is selected from antioxidant 1010; Phosphoric acid ester oxidation inhibitor is selected from irgasfos 168.
Described light absorber is benzotriazole category light absorber.
The plastics that the PC/PBT matrix material that technical solution of the present invention obtains is made, the stable performance of matrix material is guaranteed by adding ester exchange inhibitor, bonding force between each component improving matrix material by adding compatilizer and toughner and then improve toughness and other mechanical property of matrix material, adds the ultraviolet-resistent property that photostabilizer meets matrix material.The matrix material prepared by the technical program possesses the features such as higher mechanical property and ultraviolet-resistent property, can be widely used in the fields such as medical and automobile interior exterior decorations.
Embodiment
Below in conjunction with embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.Should be understood that those skilled in the art can change the present invention or revise, and these equivalent form of values fall within the scope that the application's appended claims limits equally after having read the content that the present invention tells about in addition.
The embodiment of the present invention is raw materials used:
Polycarbonate: molecular weight is the bisphenol a resin type resin of 24000 ~ 27000, Samsung petro-chemical corporation of Korea S.
Polybutylene terephthalate PBT: German BASF product.
Ester exchange inhibitor: triphenylphosphate (TPP), the refined auspicious chemical industry in Zhangjiagang.
Compatilizer: vinylbenzene-N-phenyl succinimide-copolymer-maleic anhydride (SMI): NEC chemistry, MS-NA.
Toughner: methyl methacrylate/butadiene/styrene copolymers (MBS), E920, commercially available.
Antioxidant 1010: Hinered phenols antioxidant, commercially available.
Irgasfos 168: phosphoric acid ester oxidation inhibitor, commercially available.
Benzotriazole category light absorber, UV 5411, Cytec company of the U.S..
Product performance testing method:
Charpy notched Izod impact strength: by ISO 179-1 method, size of sample: 80*10*4mm.
Flexural strength: by ISO 178 method, size of sample: 80*10*4mm.
Tensile strength: by ISO 527 method, size of sample: 170*10*4mm.
Vicat softening temperature: by ISO 306 method, B50, size of sample: 10*10*4mm.
Xenon lamp accelerated deterioration: by PV1303 standard, in 10 cycles, measures aberration Δ E value.
Comparative example 1 and embodiment 1-5:
After mixing by institute's proportion of composing in table 1 through PC, the PBT of super-dry, TPP, SMI, MBS, oxidation inhibitor, light absorber through twin screw extruder (screw diameter 35mm, length-to-diameter ratio L/D=36) in main barrel, main barrel divides nine sections of control temperature (exporting to head from charging opening) to be 190 DEG C, 230 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 230 DEG C, twin screw rotating speed is 300 revs/min, extrudes material strip pelletizing after tank cooling and obtains product.The said products is injection molded into standard batten with plastic-injection moulding machine in 95 DEG C of dryings after 5 hours in convection oven, injection temperature 250 DEG C, mould temperature 80 DEG C.The batten of injection formed is put into glass desicator immediately and carry out performance test after room temperature is placed at least 24 hours.Test result is in table 1.
The composition of table 1 PC/PBT composition and performance
As can be seen from the test result of upper table different ratios of raw materials embodiment 1-5, interpolation due to oxidation inhibitor, light absorber makes embodiment 1-5 all possess the ultraviolet-resistent property higher compared with comparative example 1, harsher illumination experiment can be tolerated, and meet the requirement of aberration Δ E≤3.In addition, owing to the addition of ester exchange inhibitor and toughner in embodiment 1-5, compatilizer makes PC and PBT can decrease transesterification reaction and then better compatible in the course of processing, can better combine and then obtain high-performance and ultraviolet-resistent property between main material.The each embodiment 1-5 of interpolation along with ester exchange inhibitor obtains comparatively comparative example 1 better mechanical property, the over-all properties of material particularly impelling strength increase not obvious (embodiment 3) when compatilizer and increasing tougheness add to a certain amount of.
The PC/PBT obtained by technical solution of the present invention possesses higher over-all properties, solvent resistance and ultraviolet-resistent property, can be widely used in the fields such as medical and automobile interior exterior decorations.
Claims (10)
1. high-performance, anti-ultraviolet PC/PBT composite, is characterized in that: comprise following raw material by weight percentage:
2. high-performance, anti-ultraviolet PC/PBT composite as claimed in claim 1, is characterized in that: described polycarbonate is bisphenol A-type aromatic copolycarbonate.
3. high-performance, anti-ultraviolet PC/PBT composite as claimed in claim 1, is characterized in that: described polycarbonate weight-average molecular weight 20000-30000g/mol.
4. high-performance, anti-ultraviolet PC/PBT composite as claimed in claim 1, is characterized in that: described compatilizer is vinylbenzene-N-phenyl succinimide-copolymer-maleic anhydride (SMI).
5. high-performance, anti-ultraviolet PC/PBT composite as claimed in claim 1, is characterized in that: described toughner is methyl methacrylate/butadiene/styrene copolymers (MBS).
6. as claimed in claim 1 high-performance, anti-ultraviolet PC/PBT composite, is characterized in that: described ester exchange inhibitor is at least one in triphenylphosphate (TPP) and organophosphorus ester.
7. as claimed in claim 1 high-performance, anti-ultraviolet PC/PBT composite, is characterized in that: described oxidation inhibitor is one or more in Hinered phenols antioxidant and phosphoric acid ester oxidation inhibitor.
8. high-performance, anti-ultraviolet PC/PBT composite as claimed in claim 7, is characterized in that: described Hinered phenols antioxidant is selected from antioxidant 1010; Phosphoric acid ester oxidation inhibitor is selected from irgasfos 168.
9. high-performance, anti-ultraviolet PC/PBT composite as claimed in claim 1, is characterized in that: described light absorber is benzotriazole category light absorber.
10. the arbitrary described high-performance in claim 1-9, a preparation method for anti-ultraviolet PC/PBT composite, it is characterized in that, concrete steps are as follows:
(1) raw material is taken by proportioning described in claim 1.
(2) by polycarbonate dry 4-6 hour at 100-120 DEG C, simultaneously by polybutylene terephthalate PBT 80-100 DEG C of dry 6-10 hour in vacuum drying oven, then after mixing through the raw material of super-dry, screw diameter 35mm is joined uniformly with twin screw accelerator, in the twin screw extruder main barrel of length-to-diameter ratio L/D=36, main barrel divides nine sections of control temperature, from charging opening to head, outlet is 190 DEG C, 230 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 230 DEG C, twin screw rotating speed is 300 revs/min, extrude material strip pelletizing after tank cooling and obtain product.
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| CN201410838534.1A CN104530681A (en) | 2014-12-26 | 2014-12-26 | High-performance ultraviolet-resistant PC/PBT composite material and preparation method thereof |
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| CN201410838534.1A CN104530681A (en) | 2014-12-26 | 2014-12-26 | High-performance ultraviolet-resistant PC/PBT composite material and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105504753A (en) * | 2015-12-30 | 2016-04-20 | 上海普利特复合材料股份有限公司 | High-performance anti-ultraviolet PC/PBT/ASA (polycarbonate/polybutylene terephthalate/acrylonitrile-styrene-acrylate copolymer) composite material and preparation method thereof |
| CN105585831A (en) * | 2015-12-28 | 2016-05-18 | 中广核俊尔新材料有限公司 | Polycarbonate/polybutylene terephthalate alloy material as well as preparation method and application thereof |
| CN105860474A (en) * | 2016-04-12 | 2016-08-17 | 东莞市奥能工程塑料有限公司 | Heat and solvent resisting lightweight alloy and preparation method thereof |
| CN106867182A (en) * | 2017-01-23 | 2017-06-20 | 泰州艳阳天塑料科技有限公司 | A kind of low temperature resistant, acid/alkali-resistant, HI high impact ABS and preparation method thereof |
| CN108102330A (en) * | 2017-12-27 | 2018-06-01 | 南京鸿瑞塑料制品有限公司 | A kind of automobile using light shine PC/PBT alloy materials and preparation method thereof |
| CN108117687A (en) * | 2018-02-06 | 2018-06-05 | 付主枝 | A kind of preparation method and applications for the medical composite material for adding fluorine silicone rubber |
| CN110698835A (en) * | 2019-11-08 | 2020-01-17 | 江苏沃特新材料科技有限公司 | PC/PBT composite flame-retardant material for vehicle interior trim and preparation method thereof |
| CN111320856A (en) * | 2020-04-20 | 2020-06-23 | 江苏京利华新材料有限公司 | Composite material for high-performance PC, PBT and PTFE and preparation method thereof |
| CN114031922A (en) * | 2021-12-15 | 2022-02-11 | 太仓市华鼎塑料有限公司 | Low-temperature impact resistant PCPBT alloy material for vehicles and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105585831A (en) * | 2015-12-28 | 2016-05-18 | 中广核俊尔新材料有限公司 | Polycarbonate/polybutylene terephthalate alloy material as well as preparation method and application thereof |
| CN105504753A (en) * | 2015-12-30 | 2016-04-20 | 上海普利特复合材料股份有限公司 | High-performance anti-ultraviolet PC/PBT/ASA (polycarbonate/polybutylene terephthalate/acrylonitrile-styrene-acrylate copolymer) composite material and preparation method thereof |
| CN105860474A (en) * | 2016-04-12 | 2016-08-17 | 东莞市奥能工程塑料有限公司 | Heat and solvent resisting lightweight alloy and preparation method thereof |
| CN106867182A (en) * | 2017-01-23 | 2017-06-20 | 泰州艳阳天塑料科技有限公司 | A kind of low temperature resistant, acid/alkali-resistant, HI high impact ABS and preparation method thereof |
| CN108102330A (en) * | 2017-12-27 | 2018-06-01 | 南京鸿瑞塑料制品有限公司 | A kind of automobile using light shine PC/PBT alloy materials and preparation method thereof |
| CN108117687A (en) * | 2018-02-06 | 2018-06-05 | 付主枝 | A kind of preparation method and applications for the medical composite material for adding fluorine silicone rubber |
| CN110698835A (en) * | 2019-11-08 | 2020-01-17 | 江苏沃特新材料科技有限公司 | PC/PBT composite flame-retardant material for vehicle interior trim and preparation method thereof |
| CN111320856A (en) * | 2020-04-20 | 2020-06-23 | 江苏京利华新材料有限公司 | Composite material for high-performance PC, PBT and PTFE and preparation method thereof |
| CN114031922A (en) * | 2021-12-15 | 2022-02-11 | 太仓市华鼎塑料有限公司 | Low-temperature impact resistant PCPBT alloy material for vehicles and preparation method thereof |
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Application publication date: 20150422 |
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