CN104693750A - Heat-resistant reinforced modified PC/PBT alloy and preparation method thereof - Google Patents
Heat-resistant reinforced modified PC/PBT alloy and preparation method thereof Download PDFInfo
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- CN104693750A CN104693750A CN201310660762.XA CN201310660762A CN104693750A CN 104693750 A CN104693750 A CN 104693750A CN 201310660762 A CN201310660762 A CN 201310660762A CN 104693750 A CN104693750 A CN 104693750A
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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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Abstract
The invention discloses a heat-resistant reinforced modified PC/PBT alloy and a preparation method thereof. The heat-resistant reinforced modified PC/PBT alloy comprises the following components by weight percent: 30-60% of PC, 20-50% of PBT, 5-20% of inorganic particles, 0.1-0.5% of coupling agent, 0.1-1.5% of triphenyl phosphate, 0.5-3% of compatilizer, 0.1-0.5% of antioxidant and 0.1-1.5% of lubricant. Compared with the prior art, the PC/PBT alloy prepared by the preparation method has the beneficial effects of excellent shock resistance of the PC and good chemical resistance of the PBT, furthermore the processing performance of the PBT can be improved by the PC, the PC/PBT alloy has the advantages of high intensity, good heat resistance, low cost, excellent electrical performance and the like, and can be widely used in the fields such as household appliances, automobiles, electric products, chemicals and medical apparatuses.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of heat-resisting enhancing modified PC/PBT Alloy And Preparation Method.
Background technology
PC/PBT alloy (polycarbonate/polybutylene terephthalate), has that warpage sex change is little, good stability of the dimension, good fluidity, and thermal linear expansion coefficient is little, simultaneously the advantage such as chemical solvent resistance energy.In order to improve the mechanical property, improvement processing characteristics etc. of PC/PBT blend alloy further, three components often need be introduced in this alloy system, in order to improving SNR and broadened application scope etc.
Summary of the invention
The object of the present invention is to provide a kind of heat-resisting enhancing modified PC/PBT Alloy And Preparation Method.
The technical solution adopted for the present invention to solve the technical problems is: a kind of heat-resisting enhancing modified PC/PBT alloy, and its component by mass percent proportioning is: PC 30% ~ 60%, PBT 20% ~ 50%, inorganic particulate 5% ~ 20%, coupling agent 0.1% ~ 0.5%, triphenyl phosphite 0.1% ~ 1.5%, compatilizer 0.5% ~ 3%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1.5%.
Described PC is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 40000g/mol.
Described PBT is polybutylene terephthalate, and its intrinsic viscosity is 0.8 ~ 1.2dL/g.
Described inorganic particulate is particle diameter at the talcum powder of 5 ~ 20 μm or process white, and it has filling-modified and improves the effect of chemical stability and heat-resistant stability.
Described coupling agent is titanate coupling agent or aluminium titanium composite coupler.
Described compatilizer is styrene-acrylonitrile copolymer graft glycidyl methacrylate (SAN-g-GMA).
Described oxidation inhibitor is the one in the compound of antioxidant 1010, antioxidant 1076, antioxidant 1010 or antioxidant 1076 and irgasfos 168 1:1 in mass ratio.
Described lubricant is the one in calcium stearate, Zinc Stearate, ethylene bis-fatty acid amides, pentaerythritol stearate.
The preparation method of above-mentioned a kind of heat-resisting enhancing modified PC/PBT alloy, comprises the following steps:
(1), by PC in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, PBT at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, inorganic particulate at 80 DEG C ~ 85 DEG C dry 30 ~ 45 minutes, stand-by;
(2) take dry inorganic particulate and coupling agent, by weight ratio, add a material temperature degree in the high-speed mixer of 80 DEG C ~ 120 DEG C, after rotating speed 3000 ~ 6000 revs/min stirs 10 ~ 60 minutes, be cooled to lower than 40 DEG C of dischargings stand-by;
(3), dry PC and PBT is taken by weight ratio, add in high-speed mixer and stir 3 ~ 5 minutes, then the product taking step (2) is by weight ratio added, and add the triphenyl phosphite, compatilizer, oxidation inhibitor, the lubricant that take by weight ratio, after making to stir together and within 5 ~ 15 minutes, reaching and mix, discharging;
(4), the material of step (3) is added in twin screw extruder, at 230 DEG C ~ 270 DEG C through plastify blended after extrude, cooling granulation, obtain the heat-resisting enhancing modified PC/PBT alloy of one of the present invention.
The invention has the beneficial effects as follows, compared with prior art, the PC/PBT alloy that the present invention obtains, not only there is the excellent impact resistance energy of PC and the good chemical resistance of PBT, PC can improve the processing characteristics of PBT simultaneously, and it has the advantages such as intensity is high, good heat resistance, cost are low, electrical property is excellent, the fields such as household electrical appliances, automobile, electronic apparatus, chemical industry, medicine equipment can be widely used in.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with concrete preferred embodiment.
Embodiment 1:
A kind of heat-resisting enhancing modified PC/PBT alloy, its component by mass percent proportioning is: PC 40%, PBT 35%, particle diameter are at talcum powder 20%, aluminium titanium composite coupler 0.5%, triphenyl phosphite 1.5%, styrene-acrylonitrile copolymer graft glycidyl methacrylate (SAN-g-GMA) 2%, antioxidant 1010 0.2%, the calcium stearate 0.8% of 5 ~ 20 μm.Wherein, described PC is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 40000g/mol; Described PBT is polybutylene terephthalate, and its intrinsic viscosity is 0.8 ~ 1.2dL/g.
Preparation method: (1), by PC in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, PBT at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, particle diameter was the talcum powder of 5 ~ 20 μm at 80 DEG C ~ 85 DEG C dry 30 ~ 45 minutes, stand-by; (2) dry particle diameter, is taken by weight ratio at the talcum powder of 5 ~ 20 μm and aluminium titanium composite coupler, add a material temperature degree in the high-speed mixer of 80 DEG C ~ 120 DEG C, after rotating speed 3000 ~ 6000 revs/min stirs 10 ~ 60 minutes, be cooled to lower than 40 DEG C of dischargings stand-by; (3), dry PC and PBT is taken by weight ratio, add in high-speed mixer and stir 3 ~ 5 minutes, then the product taking step (2) is by weight ratio added, and add the triphenyl phosphite, styrene-acrylonitrile copolymer graft glycidyl methacrylate (SAN-g-GMA), antioxidant 1010, the calcium stearate that take by weight ratio, after making to stir together and within 5 ~ 15 minutes, reaching and mix, discharging; (4), the material of step (3) is added in twin screw extruder, at 230 DEG C ~ 270 DEG C through plastify blended after extrude, cooling granulation, obtain the heat-resisting enhancing modified PC/PBT alloy of one of the present invention.
Embodiment 2:
A kind of heat-resisting enhancing modified PC/PBT alloy, its component by mass percent proportioning is: PC 60%, PBT 24%, particle diameter 5 ~ 20 μm process white 10%, titanate coupling agent 0.3%, triphenyl phosphite 1.5%, styrene-acrylonitrile copolymer graft glycidyl methacrylate (SAN-g-GMA) 3%, antioxidant 1010 and irgasfos 168 1:1 in mass ratio compound 0.2%, pentaerythritol stearate 1%.Wherein, described PC is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 40000g/mol; Described PBT is polybutylene terephthalate, and its intrinsic viscosity is 0.8 ~ 1.2dL/g.
Preparation method: (1), by PC in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, PBT at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, particle diameter was the process white of 5 ~ 20 μm at 80 DEG C ~ 85 DEG C dry 30 ~ 45 minutes, stand-by; (2) dry particle diameter, is taken by weight ratio at the process white of 5 ~ 20 μm and titanate coupling agent, add a material temperature degree in the high-speed mixer of 80 DEG C ~ 120 DEG C, after rotating speed 3000 ~ 6000 revs/min stirs 10 ~ 60 minutes, be cooled to lower than 40 DEG C of dischargings stand-by; (3), dry PC and PBT is taken by weight ratio, add in high-speed mixer and stir 3 ~ 5 minutes, then the product taking step (2) is by weight ratio added, and add compound, the pentaerythritol stearate of the triphenyl phosphite, styrene-acrylonitrile copolymer graft glycidyl methacrylate (SAN-g-GMA), antioxidant 1010 and the irgasfos 168 that take by weight ratio 1:1 in mass ratio, after making to stir together and within 5 ~ 15 minutes, reaching and mix, discharging; (4), the material of step (3) is added in twin screw extruder, at 230 DEG C ~ 270 DEG C through plastify blended after extrude, cooling granulation, obtain the heat-resisting enhancing modified PC/PBT alloy of one of the present invention.
Claims (5)
1. a heat-resisting enhancing modified PC/PBT alloy, it is characterized in that, its component by mass percent proportioning is: PC 30% ~ 60%, PBT 20% ~ 50%, inorganic particulate 5% ~ 20%, coupling agent 0.1% ~ 0.5%, triphenyl phosphite 0.1% ~ 1.5%, compatilizer 0.5% ~ 3%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1.5%.
2. the heat-resisting enhancing modified PC/PBT alloy of one according to claim 1, is characterized in that, described inorganic particulate is particle diameter at the talcum powder of 5 ~ 20 μm or process white.
3. the heat-resisting enhancing modified PC/PBT alloy of one according to claim 1, is characterized in that, described coupling agent is titanate coupling agent or aluminium titanium composite coupler.
4. the heat-resisting enhancing modified PC/PBT alloy of one according to claim 1, is characterized in that, described compatilizer is styrene-acrylonitrile copolymer graft glycidyl methacrylate (SAN-g-GMA).
5. the preparation method of a kind of heat-resisting enhancing modified PC/PBT alloy according to claim 1, is characterized in that, comprise the following steps:
(1), by PC in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, PBT at 130 DEG C ~ 150 DEG C dry 3 ~ 4 hours, inorganic particulate at 80 DEG C ~ 85 DEG C dry 30 ~ 45 minutes, stand-by;
(2) take dry inorganic particulate and coupling agent, by weight ratio, add a material temperature degree in the high-speed mixer of 80 DEG C ~ 120 DEG C, after rotating speed 3000 ~ 6000 revs/min stirs 10 ~ 60 minutes, be cooled to lower than 40 DEG C of dischargings stand-by;
(3), dry PC and PBT is taken by weight ratio, add in high-speed mixer and stir 3 ~ 5 minutes, then the product taking step (2) is by weight ratio added, and add the triphenyl phosphite, compatilizer, oxidation inhibitor, the lubricant that take by weight ratio, after making to stir together and within 5 ~ 15 minutes, reaching and mix, discharging;
(4), the material of step (3) is added in twin screw extruder, at 230 DEG C ~ 270 DEG C through plastify blended after extrude, cooling granulation, obtain the heat-resisting enhancing modified PC/PBT alloy of one of the present invention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310660762.XA CN104693750A (en) | 2013-12-10 | 2013-12-10 | Heat-resistant reinforced modified PC/PBT alloy and preparation method thereof |
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| CN201310660762.XA CN104693750A (en) | 2013-12-10 | 2013-12-10 | Heat-resistant reinforced modified PC/PBT alloy and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110139898A (en) * | 2016-12-30 | 2019-08-16 | 乐天尖端材料株式会社 | Thermoplastic resin composition and the mechanograph for using it |
| CN112226063A (en) * | 2020-10-28 | 2021-01-15 | 武汉金发科技有限公司 | Modified polycarbonate composition and preparation method thereof |
-
2013
- 2013-12-10 CN CN201310660762.XA patent/CN104693750A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110139898A (en) * | 2016-12-30 | 2019-08-16 | 乐天尖端材料株式会社 | Thermoplastic resin composition and the mechanograph for using it |
| US11161978B2 (en) | 2016-12-30 | 2021-11-02 | Lotte Chemical Corporation | Thermoplastic resin composition and molded product using same |
| CN112226063A (en) * | 2020-10-28 | 2021-01-15 | 武汉金发科技有限公司 | Modified polycarbonate composition and preparation method thereof |
| CN112226063B (en) * | 2020-10-28 | 2023-01-03 | 武汉金发科技有限公司 | Modified polycarbonate composition and preparation method thereof |
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