CN104845312A - Toughened and reinforced PC/PBT alloy material - Google Patents
Toughened and reinforced PC/PBT alloy material Download PDFInfo
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- CN104845312A CN104845312A CN201410666993.6A CN201410666993A CN104845312A CN 104845312 A CN104845312 A CN 104845312A CN 201410666993 A CN201410666993 A CN 201410666993A CN 104845312 A CN104845312 A CN 104845312A
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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
- C08K2201/011—Nanostructured additives
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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
- C08L2201/02—Flame or fire retardant/resistant
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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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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
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Abstract
The present invention discloses a toughened and reinforced PC/PBT alloy material, which comprises, by mass, 30-60% of PC, 20-30% of PBT, 2-5% of a compatilizer, 5-10% of modified carbonate calcium particles, 3-8% of MBS, 0.1-0.5% of triphenyl phosphite, 0.1-0.5% of an antioxidant, 0.1-1% of PETS, and 6-10% of a flame retardant agent, wherein the compatilizer is an ethylene-ethyl acrylate-glycidyl methacrylate triblock copolymer, and the modified calcium carbonate particles are the heavy calcium carbonate particles with the surface treated by an aluminum titanium composite coupling agent and the particle size of 10-80 nm. The toughened and reinforced PC/PBT alloy material of the present invention has beneficial effects of original excellent performances of PC and PBT, good toughening reinforcing effect, good processability, low cost, good flame retardant property, excellent comprehensive performance, and easy propmotion application.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of toughened and reinforced PC/PBT alloy material.
Background technology
PC/PBT(polycarbonate/polybutylene terephthalate) alloy material has that warpage sex change is little, good stability of the dimension, good fluidity, thermal linear expansion coefficient is little, the features such as chemical solvent resistance energy is excellent, a kind of alloy plastic that industrial using value is higher, can be used for manufacturing collision bumper, automobile door handle, body of a motor car side plate, electrically, electronic equipment part etc.But PC/PBT but exists that notched Izod impact strength is low, notch sensitivity is large, the problem of poor fire, this will greatly limit its range of application.
Summary of the invention
The object of the present invention is to provide the toughened and reinforced PC/PBT alloy material that a kind of modified effect is good, performance is high.
The technical solution adopted for the present invention to solve the technical problems is: a kind of toughened and reinforced PC/PBT alloy material, and its component by mass percent proportioning is: PC 30% ~ 60%, PBT 20% ~ 30%, compatilizer 2% ~ 5%, modified calcium carbonate particle 5% ~ 10%, MBS 3% ~ 8%, triphenyl phosphite 0.1% ~ 0.5%, oxidation inhibitor 0.1% ~ 0.5%, PETS 0.1% ~ 1%, fire retardant 6% ~ 10%.
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 compatilizer is ethylene-ethylacrylate-glycidyl methacrylate triblock copolymer.
Described modified calcium carbonate particle be surface through aluminium titanium composite coupler process and particle diameter at the water-ground limestone nanoparticle of 10 ~ 80nm.
Described MBS is the MBS with nucleocapsid structure.
Described oxidation inhibitor is the one in the compound of antioxidant 1010, antioxidant 1076, antioxidant 1010 or antioxidant 1076 and irgasfos 168.
Described PETS is lubricant pentaerythritol stearate.
Described fire retardant is the one in TDE, melamine cyanurate, polyphenylene phosphonic acids sulfobenzide ester.
The preparation method of above-mentioned a kind of toughened and reinforced PC/PBT alloy material, 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, stand-by;
(2), taking dry PC and PBT by weight ratio adds in high-speed mixer, then compatilizer, modified calcium carbonate particle, MBS, triphenyl phosphite, oxidation inhibitor, PETS, fire retardant is added by weight ratio, after making to stir together 3 ~ 15 minutes and reaching and mix, discharging;
(3), the compound of step (2) is added in twin screw extruder, under 240 DEG C ~ 260 DEG C processing temperatures and 120 ~ 500r/min screw speed, by twin screw extruder fully plastify blended after extrude, cooling granulation, obtain the toughened and reinforced PC/PBT alloy material of one of the present invention.
The invention has the beneficial effects as follows, the present invention with PC, PBT original excellent properties separately, but also has good toughened and reinforced effect, and its processibility is good, and cost is low, good flame resistance, and excellent combination property is easy to utilize.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with concrete preferred embodiment.
Embodiment 1:
A kind of toughened and reinforced PC/PBT alloy material, its component by mass percent proportioning is: PC 46%, PBT 20%, ethylene-ethylacrylate-glycidyl methacrylate triblock copolymer 5%, modified calcium carbonate particle 10%, MBS 8%, triphenyl phosphite 0.2%, antioxidant 1010 0.1%, PETS 0.7%, TDE 10%, the weight-average molecular weight of described PC is 20000 ~ 40000g/mol, the intrinsic viscosity of described PBT is 0.8 ~ 1.2dL/g, described modified calcium carbonate particle is that surface is through aluminium titanium composite coupler process, and particle diameter is at the water-ground limestone nanoparticle of 10 ~ 80nm.
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, stand-by; (2), taking dry PC and PBT by weight ratio adds in high-speed mixer, then ethylene-ethylacrylate-glycidyl methacrylate triblock copolymer, modified calcium carbonate particle, MBS, triphenyl phosphite, antioxidant 1010, PETS, TDE is added by weight ratio, after making to stir together 3 ~ 15 minutes and reaching and mix, discharging; (3), the compound of step (2) is added in twin screw extruder, under 240 DEG C ~ 260 DEG C processing temperatures and 120 ~ 500r/min screw speed, by twin screw extruder fully plastify blended after extrude, cooling granulation, obtain the toughened and reinforced PC/PBT alloy material of one of the present invention.
Embodiment 2:
A kind of toughened and reinforced PC/PBT alloy material, its component by mass percent proportioning is: PC 60%, PBT 20%, ethylene-ethylacrylate-glycidyl methacrylate triblock copolymer 3%, modified calcium carbonate particle 5%, MBS 5%, triphenyl phosphite 0.2%, the compound 0.3% of antioxidant 1010 and irgasfos 168, PETS 0.5%, polyphenylene phosphonic acids sulfobenzide ester 6%, the weight-average molecular weight of described PC is 20000 ~ 40000g/mol, the intrinsic viscosity of described PBT is 0.8 ~ 1.2dL/g, described modified calcium carbonate particle is that surface is through aluminium titanium composite coupler process, and particle diameter is at the water-ground limestone nanoparticle of 10 ~ 80nm.
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, stand-by; (2), taking dry PC and PBT by weight ratio adds in high-speed mixer, then the compound of ethylene-ethylacrylate-glycidyl methacrylate triblock copolymer, modified calcium carbonate particle, MBS, triphenyl phosphite, antioxidant 1010 and irgasfos 168, PETS, polyphenylene phosphonic acids sulfobenzide ester is added by weight ratio, after making to stir together 3 ~ 15 minutes and reaching and mix, discharging; (3), the compound of step (2) is added in twin screw extruder, under 240 DEG C ~ 260 DEG C processing temperatures and 120 ~ 500r/min screw speed, by twin screw extruder fully plastify blended after extrude, cooling granulation, obtain the toughened and reinforced PC/PBT alloy material of one of the present invention.
Claims (6)
1. a toughened and reinforced PC/PBT alloy material, it is characterized in that, its component by mass percent proportioning is: PC 30% ~ 60%, PBT 20% ~ 30%, compatilizer 2% ~ 5%, modified calcium carbonate particle 5% ~ 10%, MBS 3% ~ 8%, triphenyl phosphite 0.1% ~ 0.5%, oxidation inhibitor 0.1% ~ 0.5%, PETS 0.1% ~ 1%, fire retardant 6% ~ 10%.
2. the toughened and reinforced PC/PBT alloy material of one according to claim 1, is characterized in that, described compatilizer is ethylene-ethylacrylate-glycidyl methacrylate triblock copolymer.
3. the toughened and reinforced PC/PBT alloy material of one according to claim 1, is characterized in that, described modified calcium carbonate particle be surface through aluminium titanium composite coupler process and particle diameter at the water-ground limestone nanoparticle of 10 ~ 80nm.
4. the toughened and reinforced PC/PBT alloy material of one according to claim 1, is characterized in that, described oxidation inhibitor is the one in the compound of antioxidant 1010, antioxidant 1076, antioxidant 1010 or antioxidant 1076 and irgasfos 168.
5. the toughened and reinforced PC/PBT alloy material of one according to claim 1, is characterized in that, described fire retardant is the one in TDE, melamine cyanurate, polyphenylene phosphonic acids sulfobenzide ester.
6. the preparation method of a kind of toughened and reinforced PC/PBT alloy material 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, stand-by;
(2), taking dry PC and PBT by weight ratio adds in high-speed mixer, then compatilizer, modified calcium carbonate particle, MBS, triphenyl phosphite, oxidation inhibitor, PETS, fire retardant is added by weight ratio, after making to stir together 3 ~ 15 minutes and reaching and mix, discharging;
(3), the compound of step (2) is added in twin screw extruder, under 240 DEG C ~ 260 DEG C processing temperatures and 120 ~ 500r/min screw speed, by twin screw extruder fully plastify blended after extrude, cooling granulation, obtain the toughened and reinforced PC/PBT alloy material of one of the present invention.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410666993.6A CN104845312A (en) | 2014-11-20 | 2014-11-20 | Toughened and reinforced PC/PBT alloy material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410666993.6A CN104845312A (en) | 2014-11-20 | 2014-11-20 | Toughened and reinforced PC/PBT alloy material |
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| CN104845312A true CN104845312A (en) | 2015-08-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110358281A (en) * | 2019-08-20 | 2019-10-22 | 柏力开米复合塑料(昆山)有限公司 | A kind of high-modulus high impact PC/PBT alloy and preparation method thereof |
| CN115895224A (en) * | 2022-10-19 | 2023-04-04 | 湖北合聚新材料有限公司 | PBT/PC alloy and preparation method and device thereof |
-
2014
- 2014-11-20 CN CN201410666993.6A patent/CN104845312A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110358281A (en) * | 2019-08-20 | 2019-10-22 | 柏力开米复合塑料(昆山)有限公司 | A kind of high-modulus high impact PC/PBT alloy and preparation method thereof |
| CN115895224A (en) * | 2022-10-19 | 2023-04-04 | 湖北合聚新材料有限公司 | PBT/PC alloy and preparation method and device thereof |
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