CN104672852A - Halogen-free flame retardant glass fiber reinforced PC composite material - Google Patents
Halogen-free flame retardant glass fiber reinforced PC composite material Download PDFInfo
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- CN104672852A CN104672852A CN201310630573.8A CN201310630573A CN104672852A CN 104672852 A CN104672852 A CN 104672852A CN 201310630573 A CN201310630573 A CN 201310630573A CN 104672852 A CN104672852 A CN 104672852A
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- halogen
- retardant
- free flame
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- matrix material
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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
- 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
- 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
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
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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
Abstract
The invention discloses a halogen-free flame retardant glass fiber reinforced PC composite material which comprises the following components in percentage by mass: 60%-85% of PC, 5%-20% of glass fiber, 5%-10% of a mixed halogen-free flame retardant, 0.1%-1% of an inflaming retarding anti-drip agent, 1%-4% of a compatilizer and 0.1%-2% of a lubricant. The halogen-free flame retardant glass fiber reinforced PC composite material has the beneficial effects that compared with the prior art, the PC composite material prepared in the invention has a good halogen-free environment-friendly flame retardant function, a UL94V-0 level is reached, and the composite material has the advantages of good thermal stability, no displacement and good flame retardant durability, the glass fiber reinforcement effect is good, no external exposure exists, the strength is high, the impact toughness is good, the machinability and electrical property are good, and the temperature resistance and corrosion resistance are good, so that the PC composite material has very good prospect in application in the fields of automobiles, electronic products, mechanics, chemical industry, building materials and the like.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of halogen-free flame-retardant glassfiber reinforced PC matrix material.
Background technology
Polycarbonate (PC) is a kind of nontoxic, tasteless, water white material, transmittance is high, specific refractory power is high, good mechanical performance, and thermotolerance, flame resistivity and insulativity are better, and its product size is stablized, be widely used in the fields such as machinery, electric, medical device and illumination optical.PC itself has certain flame retardant resistance (oxygen index is 21% ~ 24%), but televisor, computer, transformer winding, trolley part, material of construction and other have high flame resistance require application, the flame retardant resistance of polycarbonate still is apparent not enough, need it flame-retardant modified, to adapt to its market requirement.Meanwhile, also can there is the deficiency of poor, the easy stress cracking of processing characteristics, notch shock and low-temperature flexibility difference in pure PC, strongly limit its range of application.
Summary of the invention
The object of the present invention is to provide a kind of halogen-free flame-retardant glassfiber reinforced PC matrix material.
The technical solution adopted for the present invention to solve the technical problems is: a kind of halogen-free flame-retardant glassfiber reinforced PC matrix material, and its component by mass percent proportioning is: PC 60% ~ 85%, glass fibre 5% ~ 20%, Compositional type halogen-free flame retardants 5% ~ 10%, flame-retardant anti-dropping agent 0.1% ~ 1%, compatilizer 1% ~ 4%, lubricant 0.1% ~ 2%.
Described PC is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 40000g/mol.
Described glass fibre is the alkali-free short glass fiber of surface through silane coupling agent process.
Described Compositional type halogen-free flame retardants is the Compositional type halogen-free flame retardants obtained by 80wt% phosphorus series non-halogen fire retardant and 20wt% silicon-series five-retardant mix, described phosphorus series non-halogen fire retardant is selected from least one in dihydroxyphenyl propane-bis-(diphenyl phosphoester) (BDP), two (diphenyl phosphoester) (RDP) of Resorcinol, triphenylphosphate (TPP), and described silicon-series five-retardant is selected from least one in polysilane fire retardant, polysiloxane fire retardant, poly organic silicon sesquioxyalkane fire retardant.
Described flame-retardant anti-dropping agent is the coated ptfe micropowder of styrene-acrylonitrile copolymer (AS), and the mass content of its tetrafluoroethylene is at 50 ~ 55wt%.
Described compatilizer is acrylonitritrile-styrene resin graft glycidyl methacrylate (AS-g-GMA).
Described lubricant is TAF lubricant.
The preparation method of above-mentioned a kind of halogen-free flame-retardant glassfiber reinforced PC matrix material, comprises the following steps:
(1), by PC in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, stand-by;
(2) take 80wt% phosphorus series non-halogen fire retardant and 20wt% silicon-series five-retardant, by weight ratio, add after mixing in high-speed mixer, discharging obtains Compositional type halogen-free flame retardants, then at 80 DEG C ~ 120 DEG C dry 30 ~ 45 minutes, stand-by;
(3) take dry PC and other each component, by weight ratio, add respectively in high-speed mixer and stir 10 ~ 30 minutes, make to mix rear discharging;
(4), the compound of step (3) is added in twin screw extruder, extrudes through melting mixing at 240 DEG C ~ 260 DEG C, cooling granulation, get product.
The invention has the beneficial effects as follows, compared with prior art, the PC matrix material that the present invention obtains, there is excellent halogen-free environment-friendly flame-proof function, advantages such as can reaching UL94 V-0 rank and Heat stability is good, not move, fire-retardant persistence is good, and fiberglass reinforced is effective, without exposing, its intensity is high, impelling strength good, processibility and electrical property is excellent, heat-proof corrosion resistant erosion property is strong, and thus this PC matrix material has good prospect in field application such as automobile, electronic apparatus, machinery, chemical industry, building materials.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with specific embodiment.
Embodiment 1:
A kind of halogen-free flame-retardant glassfiber reinforced PC matrix material, its component by mass percent proportioning is: PC 73%, the surperficial alkali-free short glass fiber 15% through silane coupling agent process, Compositional type halogen-free flame retardants 8%, flame-retardant anti-dropping agent 0.5%, acrylonitritrile-styrene resin graft glycidyl methacrylate (AS-g-GMA) 2.5%, TAF lubricant 1%.Wherein, described PC is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 40000g/mol.Described Compositional type halogen-free flame retardants is the Compositional type halogen-free flame retardants obtained by 80wt% dihydroxyphenyl propane-bis-(diphenyl phosphoester) (BDP) and 20wt% polysilane fire retardant mix.Described flame-retardant anti-dropping agent is the coated ptfe micropowder of styrene-acrylonitrile copolymer (AS), and the mass content of its tetrafluoroethylene is at 50 ~ 55wt%.
Preparation method: (1), by PC in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, stand-by; (2) 80wt% dihydroxyphenyl propane-bis-(diphenyl phosphoester) (BDP) and 20wt% polysilane fire retardant, is taken by weight ratio, add after mixing in high-speed mixer, discharging obtains Compositional type halogen-free flame retardants, then at 80 DEG C ~ 120 DEG C dry 30 ~ 45 minutes, stand-by; (3) take dry PC and other each component, by weight ratio, add respectively in high-speed mixer and stir 10 ~ 30 minutes, make to mix rear discharging; (4), the compound of step (3) is added in twin screw extruder, extrudes through melting mixing at 240 DEG C ~ 260 DEG C, cooling granulation, get product.
Embodiment 2:
A kind of halogen-free flame-retardant glassfiber reinforced PC matrix material, its component by mass percent proportioning is: PC 82%, the surperficial alkali-free short glass fiber 10% through silane coupling agent process, Compositional type halogen-free flame retardants 5%, flame-retardant anti-dropping agent 0.5%, acrylonitritrile-styrene resin graft glycidyl methacrylate (AS-g-GMA) 2%, TAF lubricant 0.5%.Wherein, described PC is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 40000g/mol.Described Compositional type halogen-free flame retardants is the Compositional type halogen-free flame retardants obtained by two (diphenyl phosphoester) (RDP) of 80wt% Resorcinol and 20wt% poly organic silicon sesquioxyalkane fire retardant mix.Described flame-retardant anti-dropping agent is the coated ptfe micropowder of styrene-acrylonitrile copolymer (AS), and the mass content of its tetrafluoroethylene is at 50 ~ 55wt%.
Preparation method: (1), by PC in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, stand-by; (2) two (diphenyl phosphoester) (RDP) of 80wt% Resorcinol and 20wt% poly organic silicon sesquioxyalkane fire retardant, is taken by weight ratio, add after mixing in high-speed mixer, discharging obtains Compositional type halogen-free flame retardants, then at 80 DEG C ~ 120 DEG C dry 30 ~ 45 minutes, stand-by; (3) take dry PC and other each component, by weight ratio, add respectively in high-speed mixer and stir 10 ~ 30 minutes, make to mix rear discharging; (4), the compound of step (3) is added in twin screw extruder, extrudes through melting mixing at 240 DEG C ~ 260 DEG C, cooling granulation, get product.
Claims (7)
1. a halogen-free flame-retardant glassfiber reinforced PC matrix material, it is characterized in that, its component by mass percent proportioning is: PC 60% ~ 85%, glass fibre 5% ~ 20%, Compositional type halogen-free flame retardants 5% ~ 10%, flame-retardant anti-dropping agent 0.1% ~ 1%, compatilizer 1% ~ 4%, lubricant 0.1% ~ 2%.
2. a kind of halogen-free flame-retardant glassfiber reinforced PC matrix material according to claim 1, is characterized in that, described glass fibre is the alkali-free short glass fiber of surface through silane coupling agent process.
3. a kind of halogen-free flame-retardant glassfiber reinforced PC matrix material according to claim 1, it is characterized in that, described Compositional type halogen-free flame retardants is the Compositional type halogen-free flame retardants obtained by 80wt% phosphorus series non-halogen fire retardant and 20wt% silicon-series five-retardant mix, described phosphorus series non-halogen fire retardant is selected from dihydroxyphenyl propane-bis-(diphenyl phosphoester) (BDP), two (diphenyl phosphoester) (RDP) of Resorcinol, at least one in triphenylphosphate (TPP), described silicon-series five-retardant is selected from polysilane fire retardant, polysiloxane fire retardant, at least one in poly organic silicon sesquioxyalkane fire retardant.
4. a kind of halogen-free flame-retardant glassfiber reinforced PC matrix material according to claim 1, it is characterized in that, described flame-retardant anti-dropping agent is the coated ptfe micropowder of styrene-acrylonitrile copolymer (AS), and the mass content of its tetrafluoroethylene is at 50 ~ 55wt%.
5. a kind of halogen-free flame-retardant glassfiber reinforced PC matrix material according to claim 1, is characterized in that, described compatilizer is acrylonitritrile-styrene resin graft glycidyl methacrylate (AS-g-GMA).
6. a kind of halogen-free flame-retardant glassfiber reinforced PC matrix material according to claim 1, is characterized in that, described lubricant is TAF lubricant.
7. the preparation method of a kind of halogen-free flame-retardant glassfiber reinforced PC matrix 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, stand-by;
(2) take 80wt% phosphorus series non-halogen fire retardant and 20wt% silicon-series five-retardant, by weight ratio, add after mixing in high-speed mixer, discharging obtains Compositional type halogen-free flame retardants, then at 80 DEG C ~ 120 DEG C dry 30 ~ 45 minutes, stand-by;
(3) take dry PC and other each component, by weight ratio, add respectively in high-speed mixer and stir 10 ~ 30 minutes, make to mix rear discharging;
(4), the compound of step (3) is added in twin screw extruder, extrudes through melting mixing at 240 DEG C ~ 260 DEG C, cooling granulation, get product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310630573.8A CN104672852A (en) | 2013-12-02 | 2013-12-02 | Halogen-free flame retardant glass fiber reinforced PC composite material |
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| CN201310630573.8A CN104672852A (en) | 2013-12-02 | 2013-12-02 | Halogen-free flame retardant glass fiber reinforced PC composite material |
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| CN104672852A true CN104672852A (en) | 2015-06-03 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107189337A (en) * | 2017-07-18 | 2017-09-22 | 珠海市金塑塑料有限公司 | A kind of transparent flame-retardant ABS material and preparation method thereof |
| CN107674397A (en) * | 2017-05-03 | 2018-02-09 | 安徽科高新材料有限公司 | A kind of Halogen-free flame retardant highlight ore deposit fiber reinforced PC/ABS composite material and preparation method |
| CN109280135A (en) * | 2018-08-30 | 2019-01-29 | 铨盛聚碳科技股份有限公司 | A kind of anti-dripping agent and preparation method thereof with superior compatibility |
| CN112430388A (en) * | 2019-08-26 | 2021-03-02 | 汉达精密电子(昆山)有限公司 | High-performance halogen-free flame-retardant PC/GF composite material and product thereof |
| CN115160754A (en) * | 2021-04-06 | 2022-10-11 | 中蓝晨光化工研究设计院有限公司 | Halogen-free perfluoroalkyl-free sulfonate flame-retardant PC (polycarbonate) for electronic and electric appliance film and preparation method thereof |
| CN116041929A (en) * | 2022-12-29 | 2023-05-02 | 金发科技股份有限公司 | Polycarbonate composition and preparation method and application thereof |
-
2013
- 2013-12-02 CN CN201310630573.8A patent/CN104672852A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107674397A (en) * | 2017-05-03 | 2018-02-09 | 安徽科高新材料有限公司 | A kind of Halogen-free flame retardant highlight ore deposit fiber reinforced PC/ABS composite material and preparation method |
| CN107674397B (en) * | 2017-05-03 | 2019-10-15 | 安徽科高新材料有限公司 | A kind of Halogen-free flame retardant highlight mine fiber reinforced PC/ABS composite material and preparation method |
| CN107189337A (en) * | 2017-07-18 | 2017-09-22 | 珠海市金塑塑料有限公司 | A kind of transparent flame-retardant ABS material and preparation method thereof |
| CN109280135A (en) * | 2018-08-30 | 2019-01-29 | 铨盛聚碳科技股份有限公司 | A kind of anti-dripping agent and preparation method thereof with superior compatibility |
| CN112430388A (en) * | 2019-08-26 | 2021-03-02 | 汉达精密电子(昆山)有限公司 | High-performance halogen-free flame-retardant PC/GF composite material and product thereof |
| CN115160754A (en) * | 2021-04-06 | 2022-10-11 | 中蓝晨光化工研究设计院有限公司 | Halogen-free perfluoroalkyl-free sulfonate flame-retardant PC (polycarbonate) for electronic and electric appliance film and preparation method thereof |
| CN116041929A (en) * | 2022-12-29 | 2023-05-02 | 金发科技股份有限公司 | Polycarbonate composition and preparation method and application thereof |
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Application publication date: 20150603 |