CN104629314A - Flame-retardant modified polycarbonate and preparation method thereof - Google Patents
Flame-retardant modified polycarbonate and preparation method thereof Download PDFInfo
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- CN104629314A CN104629314A CN201310545161.4A CN201310545161A CN104629314A CN 104629314 A CN104629314 A CN 104629314A CN 201310545161 A CN201310545161 A CN 201310545161A CN 104629314 A CN104629314 A CN 104629314A
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- Prior art keywords
- flame
- retardant
- modified polycarbonate
- polycarbonate
- retardant modified
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Classifications
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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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- 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
- C08K2201/014—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
- C08L2201/02—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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- 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
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (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-retardant modified polycarbonate and a preparation method thereof. The flame-retardant modified polycarbonate comprises the components by the mass percentage: 70%-90% of polycarbonate, 3%-8% of a flame retardant agent, 0.05%-0.1% of a flame retardant synergistic agent, 2%-8% of a toughening agent, 1%-3% of a compatilizer, 0.1%-2% of a hydrolysis resistance agent, 0.1%-0.5% of an antioxidant, and 0.1%-1% of a lubricant. The flame-retardant modified polycarbonate has the beneficial effects that compared with the prior art, the prepared flame-retardant modified polycarbonate has high flame retardant efficiency, can satisfy environmental protection, flame retardancy and UL94V-0 level performance, also has the advantages of good toughness, strong heat resistance, and good thermal stability, keeps excellent mechanical, chemical and electrical properties, and has quite broad application prospects in the fields of automobiles, electronic and electrical appliances, buildings, sports equipment, chemical industry and the like.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of flame-retardant modified polycarbonate and preparation method thereof.
Background technology
Polycarbonate (PC) as one of five large-engineering plastics is a kind of amorphous, odorless, tasteless, nontoxic, transparent thermoplastic polymer, it is the plastics variety uniquely with good transparency, and there is good physical strength, resistance toheat and resistance to electric over-all properties, also there is impact strength simultaneously high, creep properties is little, product size is stablized, easy enhancing, non-toxic sanitary, can be painted, cost performance is high, can chemically modified and the advantage such as physically modified potentiality are large, be widely used in glazing, automotive industry, electronic apparatus, component of machine, CD, packaging, the office equipments such as computer, medical treatment and health care, film, the fields such as leisure and protective equipment.Along with the fierceness day by day of market competition, the performance of all trades and professions to polycarbonate each side is had higher requirement, and common polycarbonate has been difficult to meet industry requirement.Because its oxygen index is 21% ~ 24%, its flame retardant properties reaches UL94 V-2 level, but still is difficult to meet the requirement of some Application Areas to flame retardant properties, therefore must carry out flame-retardant modified to polycarbonate according to demand, make its meeting the market requirement.
Summary of the invention
The object of the present invention is to provide that a kind of flame retarding efficiency is high, the flame-retardant modified polycarbonate of high comprehensive performance and preparation method thereof.
The technical solution adopted for the present invention to solve the technical problems is: a kind of flame-retardant modified polycarbonate, and its component by mass percent proportioning is: polycarbonate 70% ~ 90%, fire retardant 3% ~ 8%, fire retarding synergist 0.05% ~ 0.1%, toughner 2% ~ 8%, compatilizer 1% ~ 3%, hydrolysis agent 0.1% ~ 2%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.
Described polycarbonate is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 40000g/mol.
Described fire retardant is silicone fire retardant, the one in preferred polydimethylsiloxane (PDMS), PSI, polysilsesquioxane.
Described fire retarding synergist is sulfonate salt flame, the one in preferred benzenesulfonyl benzene sulphur potassium (KSS), perfluorobutyl potassium (PPFBS), trichlorobenzene sodium sulfonate (STB).
Described toughner is glycidyl methacrylate graft ethylene-octene copolymer (POE-g-GMA).
Described compatilizer is methyl methacrylate-glycidyl methacrylate-ethylpropylene ter-polymers (MGE).
Described hydrolysis agent is the one in phenyl glycidyl ether, dihydroxyphenyl propane bisglycidyl ether, carbodiimide, 2-oxazoline.
Described oxidation inhibitor is Hinered phenols antioxidant 1010 and the compound of phosphite ester kind antioxidant 168 in quality 1:2 ratio.
Described lubricant is pentaerythritol stearate (PETS).
The preparation method of above-mentioned a kind of flame-retardant modified polycarbonate, comprises the following steps:
(1), by polycarbonate in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, fire retardant at 80 DEG C ~ 120 DEG C dry 30 ~ 45 minutes, stand-by;
(2) take dry polycarbonate and fire retardant and other each component, by weight ratio, add respectively in high-speed mixer, stir 5 ~ 30 minutes, make to mix rear discharging;
(3), the compound of step (2) is added in twin screw extruder, extrudes through melting mixing at 240 DEG C ~ 280 DEG C, cooling granulation, obtain the flame-retardant modified polycarbonate of one of the present invention.
The invention has the beneficial effects as follows, compared with prior art, the flame-retardant modified polycarbonate of the one that the present invention obtains, there is flame retarding efficiency high, environmental protection flame retardant and UL94 V-0 level performance can be met, and have that good toughness, thermotolerance are strong, Heat stability is good and excellent machinery, chemistry and the electrical property of maintenance, in fields such as automobile, electronic apparatus, building, sports apparatus, chemical industry, there is very wide application prospect.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with specific embodiment.
Embodiment 1:
A kind of flame-retardant modified polycarbonate, its component by mass percent proportioning is: polycarbonate 85%, polydimethylsiloxane (PDMS) 6%, benzenesulfonyl benzene sulphur potassium (KSS) 0.1%, glycidyl methacrylate graft ethylene-octene copolymer (POE-g-GMA) 5%, methyl methacrylate-glycidyl methacrylate-ethylpropylene ter-polymers (MGE) 2%, phenyl glycidyl ether 1%, Hinered phenols antioxidant 1010 and the compound 0.3% of phosphite ester kind antioxidant 168 in quality 1:2 ratio, pentaerythritol stearate (PETS) 0.6%.Wherein, described polycarbonate is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 40000g/mol.
Preparation method: (1), by polycarbonate in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, fire retardant at 80 DEG C ~ 120 DEG C dry 30 ~ 45 minutes, stand-by; (2) take dry polycarbonate and fire retardant and other each component, by weight ratio, add respectively in high-speed mixer, stir 5 ~ 30 minutes, make to mix rear discharging; (3), the compound of step (2) is added in twin screw extruder, extrudes through melting mixing at 240 DEG C ~ 280 DEG C, cooling granulation, obtain the flame-retardant modified polycarbonate of one of the present invention.
Embodiment 2:
A kind of flame-retardant modified polycarbonate, its component by mass percent proportioning is: polycarbonate 90%, PSI 3%, perfluorobutyl potassium (PPFBS) 0.1%, glycidyl methacrylate graft ethylene-octene copolymer (POE-g-GMA) 4%, methyl methacrylate-glycidyl methacrylate-ethylpropylene ter-polymers (MGE) 1.5%, dihydroxyphenyl propane bisglycidyl ether 0.6%, Hinered phenols antioxidant 1010 and the compound 0.3% of phosphite ester kind antioxidant 168 in quality 1:2 ratio, pentaerythritol stearate (PETS) 0.5%.Wherein, described polycarbonate is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 40000g/mol.
Preparation method: (1), by polycarbonate in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, fire retardant at 80 DEG C ~ 120 DEG C dry 30 ~ 45 minutes, stand-by; (2) take dry polycarbonate and fire retardant and other each component, by weight ratio, add respectively in high-speed mixer, stir 5 ~ 30 minutes, make to mix rear discharging; (3), the compound of step (2) is added in twin screw extruder, extrudes through melting mixing at 240 DEG C ~ 280 DEG C, cooling granulation, obtain the flame-retardant modified polycarbonate of one of the present invention.
Claims (9)
1. a flame-retardant modified polycarbonate, it is characterized in that, its component by mass percent proportioning is: polycarbonate 70% ~ 90%, fire retardant 3% ~ 8%, fire retarding synergist 0.05% ~ 0.1%, toughner 2% ~ 8%, compatilizer 1% ~ 3%, hydrolysis agent 0.1% ~ 2%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.
2. the flame-retardant modified polycarbonate of one according to claim 1, is characterized in that, described fire retardant is silicone fire retardant, the one in preferred polydimethylsiloxane (PDMS), PSI, polysilsesquioxane.
3. the flame-retardant modified polycarbonate of one according to claim 1; it is characterized in that; described fire retarding synergist is sulfonate salt flame, the one in preferred benzenesulfonyl benzene sulphur potassium (KSS), perfluorobutyl potassium (PPFBS), trichlorobenzene sodium sulfonate (STB).
4. the flame-retardant modified polycarbonate of one according to claim 1, is characterized in that, described toughner is glycidyl methacrylate graft ethylene-octene copolymer (POE-g-GMA).
5. the flame-retardant modified polycarbonate of one according to claim 1, is characterized in that, described compatilizer is methyl methacrylate-glycidyl methacrylate-ethylpropylene ter-polymers (MGE).
6. the flame-retardant modified polycarbonate of one according to claim 1, is characterized in that, described hydrolysis agent is the one in phenyl glycidyl ether, dihydroxyphenyl propane bisglycidyl ether, carbodiimide, 2-oxazoline.
7. the flame-retardant modified polycarbonate of one according to claim 1, is characterized in that, described oxidation inhibitor is Hinered phenols antioxidant 1010 and the compound of phosphite ester kind antioxidant 168 in quality 1:2 ratio.
8. the flame-retardant modified polycarbonate of one according to claim 1, is characterized in that, described lubricant is pentaerythritol stearate (PETS).
9. the preparation method of a kind of flame-retardant modified polycarbonate according to claim 1, is characterized in that, comprise the following steps:
(1), by polycarbonate in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, fire retardant at 80 DEG C ~ 120 DEG C dry 30 ~ 45 minutes, stand-by;
(2) take dry polycarbonate and fire retardant and other each component, by weight ratio, add respectively in high-speed mixer, stir 5 ~ 30 minutes, make to mix rear discharging;
(3), the compound of step (2) is added in twin screw extruder, extrudes through melting mixing at 240 DEG C ~ 280 DEG C, cooling granulation, obtain the flame-retardant modified polycarbonate of one of the present invention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310545161.4A CN104629314A (en) | 2013-11-07 | 2013-11-07 | Flame-retardant modified polycarbonate and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310545161.4A CN104629314A (en) | 2013-11-07 | 2013-11-07 | Flame-retardant modified polycarbonate and preparation method thereof |
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| CN104629314A true CN104629314A (en) | 2015-05-20 |
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| CN201310545161.4A Pending CN104629314A (en) | 2013-11-07 | 2013-11-07 | Flame-retardant modified polycarbonate and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105131546A (en) * | 2015-08-07 | 2015-12-09 | 中广核俊尔新材料有限公司 | Oil fume resistant polycarbonate material, preparation method and application thereof |
| CN106810842A (en) * | 2017-02-08 | 2017-06-09 | 厦门市天宇塑料工业有限公司 | A kind of weather-resistance flame-retardant can be used for light diffusion PC of outdoor lampshade and preparation method thereof |
-
2013
- 2013-11-07 CN CN201310545161.4A patent/CN104629314A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105131546A (en) * | 2015-08-07 | 2015-12-09 | 中广核俊尔新材料有限公司 | Oil fume resistant polycarbonate material, preparation method and application thereof |
| CN106810842A (en) * | 2017-02-08 | 2017-06-09 | 厦门市天宇塑料工业有限公司 | A kind of weather-resistance flame-retardant can be used for light diffusion PC of outdoor lampshade and preparation method thereof |
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Application publication date: 20150520 |
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| WD01 | Invention patent application deemed withdrawn after publication |