CN104861619A - Flame retardation modified polycarbonate alloy and preparation method therefor - Google Patents
Flame retardation modified polycarbonate alloy and preparation method therefor Download PDFInfo
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- CN104861619A CN104861619A CN201410685495.6A CN201410685495A CN104861619A CN 104861619 A CN104861619 A CN 104861619A CN 201410685495 A CN201410685495 A CN 201410685495A CN 104861619 A CN104861619 A CN 104861619A
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- flame
- modified polycarbonate
- polycarbonate alloy
- retardant modified
- pbt
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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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
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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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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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
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a flame retardation modified polycarbonate alloy and a preparation method therefor. The flame retardation modified polycarbonate alloy comprises the following ingredients, by weight, 40%-60% of PC, 20%-40% of PBT, 0.1%-1% of triphenyl phosphate, 2%-5% of GMA-g-SMA, 8%-15% of phosphate ester flame retardants, 2%-5% of nano montmorillonite, 0.5%-2% of flame retardation synergistic agents, 0.1%-0.5% of anti-dropping agents, 0.1%-0.5% of anti-oxidants and 0.1%-1% of lubricants. The beneficial effects are that the flame retardation modified polycarbonate alloy has excellent impact resistance of PC and good chemical resistance of PBT, and also has excellent fusion resistant flame retardation effects, the mechanical properties are good, the preparation technology is simple, the cost is low, and popularization and application are convenient.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of flame-retardant modified polycarbonate alloy and preparation method thereof.
Background technology
Polycarbonate (PC) a kind ofly applies increasingly extensive engineering plastics, and it has the mechanical property of comprehensive stability, thermal characteristics and electrical property, and its output is only only second to nylon.PC has shock resistance, dimensional stabilizing, the excellent performance such as heat-resisting, transparent, but its some shortcoming is as processing difficulties, goods unrelieved stress is large, be easy to stress cracking, to notch sensitive, simultaneously solvent resistance and wearing no resistance, all constrain it in a lot of fields in application, co-blended aurification is a kind of important means of PC modification, and it makes PC performance better excellent, thus has widened its Application Areas.PC/PBT alloy is industrialized PC modified product the earliest, also be current most important PC alloy, relative to PC, performance improves processing flowability, reduce the susceptibility of goods counter stress and reduce cost, simultaneously for PBT, improve temperature capability and the impact strength of PBT, and the defects such as product surface depression and warpage can be improved, very large to the demand of PC/PBT in the market.In order to improve the mechanical property, improvement processing characteristics etc. of PC/PBT alloy further, in this alloy system, often introducing a small amount of three components, be intended to the alloy material obtaining having much practical value.
Summary of the invention
The object of the present invention is to provide a kind of flame-retardant modified polycarbonate alloy blended with PBT and preparation method thereof.
The technical solution adopted for the present invention to solve the technical problems is: flame-retardant modified polycarbonate alloy, and its component by mass percent proportioning is: PC 40% ~ 60%, PBT 20% ~ 40%, triphenyl phosphite 0.1% ~ 1%, GMA-g-SMA 2% ~ 5%, phosphate flame retardant 8% ~ 15%, nano imvite 2% ~ 5%, fire retarding synergist 0.5% ~ 2%, Antidrip agent 0.1% ~ 0.5%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.
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 ~ 1.0dL/g.
Described GMA-g-SMA is compatilizer phenylethylene-maleic anhydride-vinylformic acid shrink ester terpolymer.
Described phosphate flame retardant is the triphenylphosphate of mass ratio 2:3 and the compound of dihydroxyphenyl propane-bis-(diphenyl phosphate).
Described nano imvite is the nano imvite of surface after silane coupling agent activation treatment.
Described fire retarding synergist is the one in antimonous oxide, antimony peroxide or sodium antimoniate.
Described Antidrip agent is the coated tetrafluoroethylene of polymethylmethacrylate, and the weight percent content of tetrafluoroethylene is 50% ~ 55%, and all the other components are polymethylmethacrylate.
Described oxidation inhibitor is the Hinered phenols antioxidant 1010 or 1076 of mass ratio 1:1 and the compound of phosphite ester kind antioxidant 168.
Described lubricant is pentaerythritol stearate.
The preparation method of above-mentioned flame-retardant modified polycarbonate 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, stand-by;
(2), taking dry PC and PBT by weight ratio respectively adds in high-speed mixer, and add triphenyl phosphite, GMA-g-SMA, phosphate flame retardant, nano imvite, fire retarding synergist, Antidrip agent, oxidation inhibitor, lubricant by weight ratio, make to stir 3 ~ 5 minutes together, evenly rear discharging to be mixed;
(3), the compound of step (2) is added in twin screw extruder, extrudes through melting mixing at 210 DEG C ~ 260 DEG C temperature, cooling granulation, drying, obtain flame-retardant modified polycarbonate alloy of the present invention.
The invention has the beneficial effects as follows, the present invention is while the excellent impact resistance energy of PC and the good chemical resistance of PBT, and also have the excellent flame retardant effect of resistance to melting, and mechanical property is good, preparation technology is simple, and cost is low, 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 flame-retardant modified polycarbonate alloy, its component by mass percent proportioning is: PC 54%, PBT 20%, triphenyl phosphite 0.5%, GMA-g-SMA 3.5%, phosphate flame retardant 15%, nano imvite 5%, antimonous oxide 1%, Antidrip agent 0.1%, oxidation inhibitor 0.2%, pentaerythritol stearate 0.7%, the weight-average molecular weight of described PC is 20000 ~ 40000g/mol, the intrinsic viscosity of described PBT is 0.8 ~ 1.0dL/g, described phosphate flame retardant is the triphenylphosphate of mass ratio 2:3 and the compound of dihydroxyphenyl propane-bis-(diphenyl phosphate), described nano imvite is the nano imvite of surface after silane coupling agent activation treatment, described Antidrip agent is the coated tetrafluoroethylene of polymethylmethacrylate, and the weight percent content of tetrafluoroethylene is 50% ~ 55%, and all the other components are polymethylmethacrylate, described oxidation inhibitor is the Hinered phenols antioxidant 1010 of mass ratio 1:1 and the compound of phosphite ester kind antioxidant 168.
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 respectively adds in high-speed mixer, and add triphenyl phosphite, GMA-g-SMA, phosphate flame retardant, nano imvite, antimonous oxide, Antidrip agent, oxidation inhibitor, pentaerythritol stearate by weight ratio, make to stir 3 ~ 5 minutes together, evenly rear discharging to be mixed; (3), the compound of step (2) is added in twin screw extruder, extrudes through melting mixing at 210 DEG C ~ 260 DEG C temperature, cooling granulation, drying, obtain flame-retardant modified polycarbonate alloy of the present invention.
Embodiment 2:
A kind of flame-retardant modified polycarbonate alloy, its component by mass percent proportioning is: PC 51%, PBT 30%, triphenyl phosphite 1%, GMA-g-SMA 5%, phosphate flame retardant 8%, nano imvite 3%, antimony peroxide 1%, Antidrip agent 0.1%, oxidation inhibitor 0.3%, pentaerythritol stearate 0.6%, the weight-average molecular weight of described PC is 20000 ~ 40000g/mol, the intrinsic viscosity of described PBT is 0.8 ~ 1.0dL/g, described phosphate flame retardant is the triphenylphosphate of mass ratio 2:3 and the compound of dihydroxyphenyl propane-bis-(diphenyl phosphate), described nano imvite is the nano imvite of surface after silane coupling agent activation treatment, described Antidrip agent is the coated tetrafluoroethylene of polymethylmethacrylate, and the weight percent content of tetrafluoroethylene is 50% ~ 55%, and all the other components are polymethylmethacrylate, described oxidation inhibitor is the Hinered phenols antioxidant 1076 of mass ratio 1:1 and the compound of phosphite ester kind antioxidant 168.
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 respectively adds in high-speed mixer, and add triphenyl phosphite, GMA-g-SMA, phosphate flame retardant, nano imvite, antimony peroxide, Antidrip agent, oxidation inhibitor, pentaerythritol stearate by weight ratio, make to stir 3 ~ 5 minutes together, evenly rear discharging to be mixed; (3), the compound of step (2) is added in twin screw extruder, extrudes through melting mixing at 210 DEG C ~ 260 DEG C temperature, cooling granulation, drying, obtain flame-retardant modified polycarbonate alloy of the present invention.
Claims (8)
1. a flame-retardant modified polycarbonate alloy, it is characterized in that, its component by mass percent proportioning is: PC 40% ~ 60%, PBT 20% ~ 40%, triphenyl phosphite 0.1% ~ 1%, GMA-g-SMA 2% ~ 5%, phosphate flame retardant 8% ~ 15%, nano imvite 2% ~ 5%, fire retarding synergist 0.5% ~ 2%, Antidrip agent 0.1% ~ 0.5%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.
2. flame-retardant modified polycarbonate alloy according to claim 1, is characterized in that, described phosphate flame retardant is the triphenylphosphate of mass ratio 2:3 and the compound of dihydroxyphenyl propane-bis-(diphenyl phosphate).
3. flame-retardant modified polycarbonate alloy according to claim 1, is characterized in that, described nano imvite is the nano imvite of surface after silane coupling agent activation treatment.
4. flame-retardant modified polycarbonate alloy according to claim 1, is characterized in that, described fire retarding synergist is the one in antimonous oxide, antimony peroxide or sodium antimoniate.
5. flame-retardant modified polycarbonate alloy according to claim 1, it is characterized in that, described Antidrip agent is the coated tetrafluoroethylene of polymethylmethacrylate, and the weight percent content of tetrafluoroethylene is 50% ~ 55%, and all the other components are polymethylmethacrylate.
6. flame-retardant modified polycarbonate alloy according to claim 1, is characterized in that, described oxidation inhibitor is the Hinered phenols antioxidant 1010 or 1076 of mass ratio 1:1 and the compound of phosphite ester kind antioxidant 168.
7. flame-retardant modified polycarbonate alloy according to claim 1, is characterized in that, described lubricant is pentaerythritol stearate.
8. the preparation method of flame-retardant modified polycarbonate 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, stand-by;
(2), taking dry PC and PBT by weight ratio respectively adds in high-speed mixer, and add triphenyl phosphite, GMA-g-SMA, phosphate flame retardant, nano imvite, fire retarding synergist, Antidrip agent, oxidation inhibitor, lubricant by weight ratio, make to stir 3 ~ 5 minutes together, evenly rear discharging to be mixed;
(3), the compound of step (2) is added in twin screw extruder, extrudes through melting mixing at 210 DEG C ~ 260 DEG C temperature, cooling granulation, drying, obtain flame-retardant modified polycarbonate alloy of the present invention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410685495.6A CN104861619A (en) | 2014-11-25 | 2014-11-25 | Flame retardation modified polycarbonate alloy and preparation method therefor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410685495.6A CN104861619A (en) | 2014-11-25 | 2014-11-25 | Flame retardation modified polycarbonate alloy and preparation method therefor |
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| CN104861619A true CN104861619A (en) | 2015-08-26 |
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| CN201410685495.6A Pending CN104861619A (en) | 2014-11-25 | 2014-11-25 | Flame retardation modified polycarbonate alloy and preparation method therefor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114276662A (en) * | 2020-09-28 | 2022-04-05 | 汉达精密电子(昆山)有限公司 | High-performance flame-retardant PC/PBT alloy and product thereof |
-
2014
- 2014-11-25 CN CN201410685495.6A patent/CN104861619A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114276662A (en) * | 2020-09-28 | 2022-04-05 | 汉达精密电子(昆山)有限公司 | High-performance flame-retardant PC/PBT alloy and product thereof |
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