CN106349676B - A kind of halogen-free flame retardant PC and preparation method thereof - Google Patents

A kind of halogen-free flame retardant PC and preparation method thereof Download PDF

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Publication number
CN106349676B
CN106349676B CN201610797903.6A CN201610797903A CN106349676B CN 106349676 B CN106349676 B CN 106349676B CN 201610797903 A CN201610797903 A CN 201610797903A CN 106349676 B CN106349676 B CN 106349676B
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halogen
antioxidant
free flame
flame retardant
retardant
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CN106349676A (en
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麦伟宗
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Guangzhou Synthetic Materials Research Institute Co Ltd
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Guangzhou Synthetic Materials Research Institute Co Ltd
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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
    • 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
    • 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
    • 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
    • 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
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure

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  • 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 kind of halogen-free flame retardant PC and preparation method thereof, the halogen-free flame retardant PC its be made of the raw material of following mass percentage：PC resin：65~80%；PC powders：10~25%；Fire retardant：2.5~6.5%；Anti-dripping agent：0.2~0.5%；Modify filler：2~5%；Carbon black：0.5~1%；Antioxidant：0.5~1%；Lubrication prescription：0.2~1%.The preparation method of the halogen-free flame retardant PC includes the following steps：1）Fire retardant, modifies the pre-dispersed of filler, carbon black, antioxidant and lubricant at anti-dripping agent；2）By step 1）Material, PC resin and PC powders mixing dispersion；3）To step 2）Material carry out melt blending, extruding pelletization.The excellent fireproof performance of the halogen-free flame retardant PC of the present invention, the fire-retardant rank of the sample of 0.25mm thickness can reach UL94-V0 grades, and weather resistance is excellent, and flexibility is good, will not all fracture by repeatedly folding.

Description

A kind of halogen-free flame retardant PC and preparation method thereof
Technical field
The present invention relates to a kind of halogen-free flame retardant PCs and preparation method thereof.
Background technology
Electronic product is towards the inexorable trend that miniaturization, portability are scientific and technological high speed developments, in order to ensure that electronics produces Product safety, it usually needs in the electronic components outer cladding thin film such as PCB as insulating protective layer.The electronic components shape such as PCB It is different, the shape that film is folded into electronic component is needed during being coated with insulation film, at present on the market extensively The fire retardation PC of use is primarily present following two points problem：1) fire retardation PC film matter is crisp, and it is broken that fracture is easy to happen when being folded It is bad；2) after fire retardation PC is processed into the film of thickness 0.25mm or so, fire-retardant rank is low, cannot be satisfied requirement.
The invention discloses a kind of halogen-free flame retardant PCs, after being processed into the film of thickness 0.25mm or so, flame retardant property It is excellent, reach UL94-V0 grades, good weatherability, excellent in mechanical performance, flexibility is good, is not easily broken.
Invention content
The purpose of the present invention is to provide a kind of halogen-free flame retardant PCs and preparation method thereof.
The technical solution used in the present invention is：
A kind of halogen-free flame retardant PC is made of the raw material of following mass percentage：
PC resin：65~80%；
PC powders：10~25%；
Fire retardant：2.5~6.5%；
Anti-dripping agent：0.2~0.5%；
Modify filler：2~5%；
Carbon black：0.5~1%；
Antioxidant：0.5~1%；
Lubricant：0.2~1%.
The fire retardant is at least one of organic silicon fibre retardant, Sulfonates fire retardant.
The anti-dripping agent is fluorinated anti-dripping agent.
The modification filler is nanomete talc powder.
The antioxidant is at least one of Hinered phenols antioxidant, phosphite ester kind antioxidant.
The lubricant be ethylene bis stearamide, dimethicone, stearic amide, stearic acid, butyl stearate, At least one of ester type waxes, saponified wax.
The preparation method of above-mentioned halogen-free flame retardant PC, includes the following steps：
1) fire retardant, anti-dripping agent, modification filler, carbon black, antioxidant and lubricant are added homogenizer, 110 ~130 DEG C of pre-dispersed 5~10min；
2) mixing machine is added in the material of step 1), PC resin and PC powders, is stirred 5~10min, is mixed Object；
3) double screw extruder, 220~290 DEG C of melt blendings is added in the mixture of step 2), extruding pelletization obtains nothing Halogen fire retardation PC.
The screw slenderness ratio of double screw extruder described in step 3) is 40:1.
The beneficial effects of the invention are as follows：
1) excellent fireproof performance of halogen-free flame retardant PC of the invention, the fire-retardant rank of the sample of 0.25mm thickness can reach UL94-V0 grades, and after 85 DEG C of boiling 1000h, flame retardant property is entirely unaffected by, weather resistance is excellent；
2) excellent in mechanical performance of halogen-free flame retardant PC of the invention, flexibility is good, and the sample of 0.25mm thickness is by repeatedly folding It is folded all to fracture.
Specific implementation mode
A kind of halogen-free flame retardant PC is made of the raw material of following mass percentage：
PC resin：65~80%；
PC powders：10~25%；
Fire retardant：2.5~6.5%；
Anti-dripping agent：0.2~0.5%；
Modify filler：2~5%；
Carbon black：0.5~1%；
Antioxidant：0.5~1%；
Lubricant：0.2~1%.
Preferably, the fire retardant is at least one of organic silicon fibre retardant, Sulfonates fire retardant.
It is further preferred that the fire retardant be fire retardant 2025, it is fire retardant SI9700, fire retardant DC8008, fire-retardant At least one of agent EF-42, fire retardant RM65, fire retardant PX220, fire retardant KR2710.
Preferably, the anti-dripping agent is fluorinated anti-dripping agent.
It is further preferred that the anti-dripping agent is at least one of FR-PT202, FR-PT201, A3750.
Preferably, the modification filler is nanomete talc powder.
Preferably, the antioxidant is at least one of Hinered phenols antioxidant, phosphite ester kind antioxidant.
It is further preferred that the antioxidant is antioxidant 1010, irgasfos 168, antioxidant 1098, antioxidant 1076, antioxidant 264, antioxidant 618, antioxidant 626, antioxidant B215, antioxidant B225, antioxidant 6921, antioxidant 9228, at least one of antioxidant 412S, antioxidant SI9700.
Preferably, the lubricant is ethylene bis stearamide, dimethicone, stearic amide, stearic acid, tristearin At least one of acid butyl ester, ester type waxes, saponified wax.
The preparation method of above-mentioned halogen-free flame retardant PC, includes the following steps：
1) fire retardant, anti-dripping agent, modification filler, carbon black, antioxidant and lubricant are added homogenizer, 110 ~130 DEG C of pre-dispersed 5~10min；
2) mixing machine is added in the material of step 1), PC resin and PC powders, is stirred 5~10min, is mixed Object；
3) double screw extruder, 220~290 DEG C of melt blendings is added in the mixture of step 2), extruding pelletization obtains nothing Halogen fire retardation PC.
Preferably, the screw slenderness ratio of the double screw extruder described in step 3) is 40:1.
The present invention is made further explanation and description with reference to specific embodiment.
Embodiment 1：
A kind of raw material composition of halogen-free flame retardant PC is as shown in table 1：
A kind of raw material of 1 halogen-free flame retardant PC of table forms table
Raw material Mass fraction
PC resin (the trade mark：2870PK) 65
PC powder (the trades mark：FC1760) 25
Fire retardant (the trade mark：2025) 0.5
Fire retardant (the trade mark：SI9700) 2
Anti-dripping agent (the trade mark：FR-PT202) 0.5
Nanomete talc powder 5
Carbon black (Degussa) 0.8
Antioxidant (the trade mark：9228) 0.2
Antioxidant (the trade mark：412S) 0.2
Antioxidant (the trade mark：168) 0.6
Ethylene bis stearamide 0.2
Embodiment 2：
A kind of raw material composition of halogen-free flame retardant PC is as shown in table 2：
A kind of raw material of 2 halogen-free flame retardant PC of table forms table
Raw material Mass fraction
PC resin (the trade mark：1302) 72
PC powder (the trades mark：L-1250Y) 20
Fire retardant (the trade mark：DC8008) 3.5
Fire retardant (the trade mark：EF-42) 0.5
Anti-dripping agent (the trade mark：FR-PT201) 0.2
Nanomete talc powder 2
Carbon black (Cabot) 0.5
Antioxidant (the trade mark：6921) 0.4
Antioxidant (the trade mark：168) 0.4
Stearic amide 0.5
Embodiment 3：
A kind of raw material composition of halogen-free flame retardant PC is as shown in table 3：
A kind of raw material of 3 halogen-free flame retardant PC of table forms table
Raw material Mass fraction
PC resin (the trade mark：2870) 69
PC powder (the trades mark：FC1760) 20
Fire retardant (the trade mark：RM65) 2.5
Fire retardant (the trade mark：PX220) 2
Fire retardant (the trade mark：KR2710) 2
Anti-dripping agent (the trade mark：A3750) 0.3
Nanomete talc powder 2.5
Carbon black (Degussa) 0.7
Antioxidant (the trade mark：1010) 0.2
Antioxidant (the trade mark：168) 0.3
Stearic amide 0.5
Embodiment 4：
A kind of raw material composition of halogen-free flame retardant PC is as shown in table 4：
A kind of raw material of 4 halogen-free flame retardant PC of table forms table
Raw material Mass fraction
PC resin (the trade mark：2870PK) 75
PC powder (the trades mark：L-1250Y) 15
Fire retardant (the trade mark：RM65) 3
Fire retardant (the trade mark：EF-42) 2
Anti-dripping agent (the trade mark：FR-PT202) 0.4
Nanomete talc powder 2.4
Carbon black (Degussa) 0.8
Antioxidant (the trade mark：B225) 0.7
Stearic acid 0.7
Embodiment 5：
A kind of raw material composition of halogen-free flame retardant PC is as shown in table 5：
A kind of raw material of 5 halogen-free flame retardant PC of table forms table
Raw material Mass fraction
PC resin (the trade mark：1302) 80
PC powder (the trades mark：FC1760) 10
Fire retardant (the trade mark：2025) 2
Fire retardant (the trade mark：KR2710) 1
Anti-dripping agent (the trade mark：A3750) 0.5
Nanomete talc powder 4
Carbon black (Cabot) 1
Antioxidant (the trade mark：626) 0.2
Antioxidant (the trade mark：412S) 0.3
Butyl stearate 1
Test case：
The halogen-free flame retardant PC prepared to Examples 1 to 5 is tested for the property, and test result is as shown in table 6.
The performance test data of the halogen-free flame retardant PC of 6 Examples 1 to 5 of table
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment Limitation, it is other it is any without departing from the spirit and principles of the present invention made by changes, modifications, substitutions, combinations, simplifications, Equivalent substitute mode is should be, is included within the scope of the present invention.

Claims (5)

1. a kind of halogen-free flame retardant PC, it is characterised in that：It is made of the raw material of following mass percentage：
PC resin：65~80%；
PC powders：10~25%；
Fire retardant：2.5~6.5%；
Anti-dripping agent：0.2~0.5%；
Modify filler：2~5%；
Carbon black：0.5~1%；
Antioxidant：0.5~1%；
Lubricant：0.2~1%；
The fire retardant is organic silicon fibre retardant and Sulfonates fire retardant；
The modification filler is nanomete talc powder；
The anti-dripping agent is at least one of FR-PT202, FR-PT201, A3750.
2. halogen-free flame retardant PC according to claim 1, it is characterised in that：The antioxidant be Hinered phenols antioxidant, At least one of phosphite ester kind antioxidant.
3. halogen-free flame retardant PC according to claim 1, it is characterised in that：The lubricant be ethylene bis stearamide, At least one of dimethicone, stearic amide, stearic acid, butyl stearate, ester type waxes, saponified wax.
4. the preparation method of the halogen-free flame retardant PC described in any one of claims 1 to 3, it is characterised in that：Including following step Suddenly：
1) fire retardant, anti-dripping agent, modification filler, carbon black, antioxidant and lubricant are added homogenizer, 110~130 DEG C pre-dispersed 5~10min；
2) mixing machine is added in the material of step 1), PC resin and PC powders, is stirred 5~10min, obtains mixture；
3) double screw extruder, 220~290 DEG C of melt blendings is added in the mixture of step 2), extruding pelletization obtains Halogen resistance Fire PC.
5. preparation method according to claim 4, it is characterised in that：The screw rod of double screw extruder described in step 3) is long Diameter ratio is 40:1.
CN201610797903.6A 2016-08-31 2016-08-31 A kind of halogen-free flame retardant PC and preparation method thereof Active CN106349676B (en)

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CN106349676B true CN106349676B (en) 2018-10-23

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Publication number Priority date Publication date Assignee Title
CN106928681A (en) * 2017-02-15 2017-07-07 昆山地博光电材料有限公司 A kind of insulating materials and preparation method thereof
CN112300554B (en) * 2019-07-29 2022-11-15 广州合成材料研究院有限公司 Flame-retardant polycarbonate with carbon nano tube enhanced laser marking and application thereof
CN112300555B (en) * 2019-07-29 2022-11-15 广州合成材料研究院有限公司 Flame-retardant polycarbonate material marked by laser and preparation method and application thereof
CN111117187A (en) * 2019-12-24 2020-05-08 会通新材料股份有限公司 High-toughness high-transparency organic silicon flame-retardant polycarbonate material and preparation method thereof
CN114479407B (en) * 2022-01-04 2023-07-18 广东中塑新材料有限公司 Thin-wall flame-retardant polycarbonate material and preparation method thereof

Citations (4)

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Publication number Priority date Publication date Assignee Title
CN102079857A (en) * 2010-12-23 2011-06-01 天津国丰模具有限公司 Halogen-free flame-retardant polycarbonate (PC) composition and preparation method thereof
CN103613916A (en) * 2013-10-30 2014-03-05 东莞市卡帝德塑化科技有限公司 PC/ABS alloy modified engineering plastic dedicated for laptop casings and production method thereof
CN104059347A (en) * 2013-12-18 2014-09-24 上海日之升新技术发展有限公司 Low-cost high-flowability halogen-free flame retardant PC material and preparation method thereof
CN104761878A (en) * 2015-04-08 2015-07-08 中国科学院化学研究所 Polycarbonate composite material and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102079857A (en) * 2010-12-23 2011-06-01 天津国丰模具有限公司 Halogen-free flame-retardant polycarbonate (PC) composition and preparation method thereof
CN103613916A (en) * 2013-10-30 2014-03-05 东莞市卡帝德塑化科技有限公司 PC/ABS alloy modified engineering plastic dedicated for laptop casings and production method thereof
CN104059347A (en) * 2013-12-18 2014-09-24 上海日之升新技术发展有限公司 Low-cost high-flowability halogen-free flame retardant PC material and preparation method thereof
CN104761878A (en) * 2015-04-08 2015-07-08 中国科学院化学研究所 Polycarbonate composite material and preparation method thereof

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