CN104725816A - Glass-fiber reinforced and flame-retarded photodiffusion PC composite material - Google Patents
Glass-fiber reinforced and flame-retarded photodiffusion PC composite material Download PDFInfo
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- CN104725816A CN104725816A CN201310716099.0A CN201310716099A CN104725816A CN 104725816 A CN104725816 A CN 104725816A CN 201310716099 A CN201310716099 A CN 201310716099A CN 104725816 A CN104725816 A CN 104725816A
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- fire retardant
- matrix material
- fiberglass reinforced
- coupling agent
- light diffusion
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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
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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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
- C08K2201/002—Physical properties
- C08K2201/004—Additives being defined by their length
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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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- 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 glass-fiber reinforced and flame-retarded photodiffusion PC composite material which comprises the following ingredients, by weight, 60-85% of PC resin, 5-20% of glass fiber, 5-10% of a flame retardant, 4-8% of an photodiffusion agent, 0.5-2% of a fluorescent whitening agent, 0.5-1.5% of a coupling agent, 0.1-0.5% of an anti-oxidant and 0.1-1% of a lubricant. In comparison with the prior art, the prepared PC composite material provided by the invention has the following beneficial effects: on the basis of keeping original excellent physical, chemical and electrical properties of PC, strength, glossiness, fracture toughness, heat resistance and the like are enhanced; and the PC composite material also has good flame retardant property and photodiffusion effect and can be widely applied in fields of illumination, electronics, automobile, optical instruments and the like.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of fiberglass reinforced fire retardant light diffusion PC matrix material.
Background technology
Polycarbonate (PC) as a kind of mechanical characteristics, thermotolerance, have excellent weather resistance, and there is the engineering plastics kind of high optical transmittance, be widely used in the fields such as automobile, electronic apparatus, illumination.Although PC itself has certain flame retardant resistance (oxygen index is 21% ~ 24%), belong to self-extinguishing type engineering plastics, but still the service requirements that flame retardant properties reaches UL94 V-0 grade can not be met, and pure PC material exist fatigue resistance lower, to notch sensitive, the deficiency easily producing stress cracking, poor solvent resistance etc., simultaneously also require that PC has good light scattering effect in a lot of use occasion.Therefore, in order to meeting the market requirement and improving SNR, PC is strengthened, the modification of the aspect such as fire-retardant, light diffusion is very important.
Summary of the invention
A kind of fiberglass reinforced fire retardant light is the object of the present invention is to provide to spread PC matrix material.
The technical solution adopted for the present invention to solve the technical problems is: fiberglass reinforced fire retardant light diffusion PC matrix material, its component by mass percent proportioning is: PC resin 60% ~ 85%, glass fibre 5% ~ 20%, fire retardant 5% ~ 10%, light diffusing agent 4% ~ 8%, white dyes 0.5% ~ 2%, coupling agent 0.5% ~ 1.5%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.
Described PC resin is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 40000g/mol.
Described glass fibre be diameter 8 ~ 15 μm, length is 3 ~ 6mm, specific refractory power is alkali free glass fibre between 1.43 ~ 1.48, and its surface is through silane coupling agent process.
Described fire retardant is the polydimethylsiloxane (PDMS) of mass ratio 1:5 and the compound flame retardant of dihydroxyphenyl propane-bis-(diphenyl phosphoester) (BDP).
Described light diffusing agent to be different-grain diameter and median size be 1 ~ 30 μm, the calcium carbonate of specific refractory power between 1.65 ~ 1.68, barium sulfate, one in silicon-dioxide.
Described white dyes is 2,2 ,-(2,5-thiophene) two [5-(1,1-dimethylethyl)]-benzotriazole.
Described coupling agent is the one in titanate coupling agent, aluminate coupling agent, aluminium titanium composite coupler.
Described oxidation inhibitor is the Hinered phenols antioxidant 1076 of mass ratio 1:1 and the compound of phosphite ester kind antioxidant 168.
Described lubricant is TAF or PETS.
The preparation method of above-mentioned fiberglass reinforced fire retardant light diffusion PC matrix material, comprises the following steps:
(1), by PC resin in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, at fire retardant and each comfortable 80 DEG C ~ 85 DEG C of light diffusing agent dry 30 ~ 45 minutes, stand-by;
(2), dry light diffusing agent and coupling agent is taken by weight ratio, add a material temperature degree in the high-speed mixer of 100 DEG C ~ 120 DEG C, at rotating speed 1500 ~ 3000 revs/min of lower high-speed stirring 5 ~ 30 minutes, obtain the light diffusing agent of surface active, then cool, dry after stand-by;
(3), taking dry PC resin, glass fibre and fire retardant by weight ratio adds in high-speed mixer, stir 3 ~ 5 minutes, and then add the light diffusing agent of the surface active that step obtains, add the white dyes, oxidation inhibitor and the lubricant that take by weight ratio simultaneously, stir 5 ~ 30 minutes together, make fully 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, obtain fiberglass reinforced fire retardant light of the present invention diffusion PC matrix material.
The invention has the beneficial effects as follows, compared with prior art, the PC matrix material that the present invention obtains, improve intensity, glossiness, fracture toughness property and thermotolerance etc. at the original excellent physical of maintenance PC, chemistry, electrical property simultaneously, but also there is good flame retardant properties and light diffusion effect, the fields such as illumination, electronic apparatus, automobile, optical instruments can be widely used in.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with specific embodiment.
Embodiment 1:
A kind of fiberglass reinforced fire retardant light diffusion PC matrix material, its component by mass percent proportioning is: PC resin 70%, glass fibre 15%, fire retardant 6%, light diffusing agent 5.5%, 2,2,-(2,5-thiophene) two [5-(1,1-dimethylethyl)]-benzotriazole 1.5%, titanate coupling agent 1%, the Hinered phenols antioxidant 1076 of mass ratio 1:1 and compound 0.4%, the TAF 0.6% of phosphite ester kind antioxidant 168.Wherein, described PC resin is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 40000g/mol; Described glass fibre be diameter 8 ~ 15 μm, length is 3 ~ 6mm, specific refractory power is alkali free glass fibre between 1.43 ~ 1.48, and its surface is through silane coupling agent process; Described fire retardant is the polydimethylsiloxane (PDMS) of mass ratio 1:5 and the compound flame retardant of dihydroxyphenyl propane-bis-(diphenyl phosphoester) (BDP); Described light diffusing agent is different-grain diameter and median size is 1 ~ 30 μm, the barium sulfate of specific refractory power between 1.65 ~ 1.68.
Preparation method: (1), by PC resin in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, at fire retardant and each comfortable 80 DEG C ~ 85 DEG C of light diffusing agent dry 30 ~ 45 minutes, stand-by; (2), dry light diffusing agent and titanate coupling agent is taken by weight ratio, add a material temperature degree in the high-speed mixer of 100 DEG C ~ 120 DEG C, at rotating speed 1500 ~ 3000 revs/min of lower high-speed stirring 5 ~ 30 minutes, obtain the light diffusing agent of surface active, stand-by after then cooling, drying; (3), taking dry PC resin, glass fibre and fire retardant by weight ratio adds in high-speed mixer, stir 3 ~ 5 minutes, and then add the light diffusing agent of the surface active that step obtains, add take by weight ratio 2 simultaneously, 2,-(2,5-thiophene) two [5-(1,1-dimethylethyl)]-benzotriazole, the Hinered phenols antioxidant 1076 of mass ratio 1:1 and compound, the TAF of phosphite ester kind antioxidant 168, stir 5 ~ 30 minutes together, make fully 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, obtain fiberglass reinforced fire retardant light of the present invention diffusion PC matrix material.
Embodiment 2:
A kind of fiberglass reinforced fire retardant light diffusion PC matrix material, its component by mass percent proportioning is: PC resin 75%, glass fibre 5%, fire retardant 8%, light diffusing agent 8%, 2,2,-(2,5-thiophene) two [5-(1,1-dimethylethyl)]-benzotriazole 1.5%, aluminium titanium composite coupler 1.5%, the Hinered phenols antioxidant 1076 of mass ratio 1:1 and compound 0.2%, the PETS 0.8% of phosphite ester kind antioxidant 168.Wherein, described PC resin is bisphenol A-type aromatic copolycarbonate, and weight-average molecular weight is 20000 ~ 40000g/mol; Described glass fibre be diameter 8 ~ 15 μm, length is 3 ~ 6mm, specific refractory power is alkali free glass fibre between 1.43 ~ 1.48, and its surface is through silane coupling agent process; Described fire retardant is the polydimethylsiloxane (PDMS) of mass ratio 1:5 and the compound flame retardant of dihydroxyphenyl propane-bis-(diphenyl phosphoester) (BDP); Described light diffusing agent is different-grain diameter and median size is 1 ~ 30 μm, the calcium carbonate of specific refractory power between 1.65 ~ 1.68.
Preparation method: (1), by PC resin in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, at fire retardant and each comfortable 80 DEG C ~ 85 DEG C of light diffusing agent dry 30 ~ 45 minutes, stand-by; (2), dry light diffusing agent and aluminium titanium composite coupler is taken by weight ratio, add a material temperature degree in the high-speed mixer of 100 DEG C ~ 120 DEG C, at rotating speed 1500 ~ 3000 revs/min of lower high-speed stirring 5 ~ 30 minutes, obtain the light diffusing agent of surface active, stand-by after then cooling, drying; (3), taking dry PC resin, glass fibre and fire retardant by weight ratio adds in high-speed mixer, stir 3 ~ 5 minutes, and then add the light diffusing agent of the surface active that step obtains, add take by weight ratio 2 simultaneously, 2,-(2,5-thiophene) two [5-(1,1-dimethylethyl)]-benzotriazole, the Hinered phenols antioxidant 1076 of mass ratio 1:1 and compound, the PETS of phosphite ester kind antioxidant 168, stir 5 ~ 30 minutes together, make fully 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, obtain fiberglass reinforced fire retardant light of the present invention diffusion PC matrix material.
Claims (9)
1. a fiberglass reinforced fire retardant light diffusion PC matrix material, it is characterized in that, its component by mass percent proportioning is: PC resin 60% ~ 85%, glass fibre 5% ~ 20%, fire retardant 5% ~ 10%, light diffusing agent 4% ~ 8%, white dyes 0.5% ~ 2%, coupling agent 0.5% ~ 1.5%, oxidation inhibitor 0.1% ~ 0.5%, lubricant 0.1% ~ 1%.
2. fiberglass reinforced fire retardant light diffusion PC matrix material according to claim 1, it is characterized in that, described glass fibre be diameter 8 ~ 15 μm, length is 3 ~ 6mm, specific refractory power is alkali free glass fibre between 1.43 ~ 1.48, and its surface is through silane coupling agent process.
3. fiberglass reinforced fire retardant light diffusion PC matrix material according to claim 1, it is characterized in that, described fire retardant is the polydimethylsiloxane (PDMS) of mass ratio 1:5 and the compound flame retardant of dihydroxyphenyl propane-bis-(diphenyl phosphoester) (BDP).
4. fiberglass reinforced fire retardant light diffusion PC matrix material according to claim 1, it is characterized in that, described light diffusing agent to be different-grain diameter and median size be 1 ~ 30 μm, the calcium carbonate of specific refractory power between 1.65 ~ 1.68, barium sulfate, one in silicon-dioxide.
5. fiberglass reinforced fire retardant light according to claim 1 diffusion PC matrix material, it is characterized in that, described white dyes is 2,2 ,-(2,5-thiophene) two [5-(1,1-dimethylethyl)]-benzotriazole.
6. fiberglass reinforced fire retardant light diffusion PC matrix material according to claim 1, it is characterized in that, described coupling agent is the one in titanate coupling agent, aluminate coupling agent, aluminium titanium composite coupler.
7. fiberglass reinforced fire retardant light diffusion PC matrix material according to claim 1, it is characterized in that, described oxidation inhibitor is the Hinered phenols antioxidant 1076 of mass ratio 1:1 and the compound of phosphite ester kind antioxidant 168.
8. fiberglass reinforced fire retardant light diffusion PC matrix material according to claim 1, it is characterized in that, described lubricant is TAF or PETS.
9. the preparation method of fiberglass reinforced fire retardant light diffusion PC matrix material according to claim 1, is characterized in that, comprise the following steps:
(1), by PC resin in blast drier at 110 DEG C ~ 130 DEG C temperature dry 3 ~ 4 hours, at fire retardant and each comfortable 80 DEG C ~ 85 DEG C of light diffusing agent dry 30 ~ 45 minutes, stand-by;
(2), dry light diffusing agent and coupling agent is taken by weight ratio, add a material temperature degree in the high-speed mixer of 100 DEG C ~ 120 DEG C, at rotating speed 1500 ~ 3000 revs/min of lower high-speed stirring 5 ~ 30 minutes, obtain the light diffusing agent of surface active, then cool, dry after stand-by;
(3), taking dry PC resin, glass fibre and fire retardant by weight ratio adds in high-speed mixer, stir 3 ~ 5 minutes, and then add the light diffusing agent of the surface active that step obtains, add the white dyes, oxidation inhibitor and the lubricant that take by weight ratio simultaneously, stir 5 ~ 30 minutes together, make fully 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, obtain fiberglass reinforced fire retardant light of the present invention diffusion PC matrix material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310716099.0A CN104725816A (en) | 2013-12-23 | 2013-12-23 | Glass-fiber reinforced and flame-retarded photodiffusion PC composite material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310716099.0A CN104725816A (en) | 2013-12-23 | 2013-12-23 | Glass-fiber reinforced and flame-retarded photodiffusion PC composite material |
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| CN104725816A true CN104725816A (en) | 2015-06-24 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105542426A (en) * | 2016-03-09 | 2016-05-04 | 银禧工程塑料（东莞）有限公司 | Low-expansion, flame-retardant and photodiffusion PC (polycarbonate) composite material for LED lamp tube and preparation method of PC composite material |
| CN106700470A (en) * | 2016-12-09 | 2017-05-24 | 东莞市欣隆光电材料有限公司 | Bending-deformation-resistant frosted PC (polycarbonate) composite material |
| CN108047675A (en) * | 2017-11-21 | 2018-05-18 | 横店集团得邦工程塑料有限公司 | A kind of high light transmission high-modulus photodiffusion polycarbonate composite material and preparation method thereof |
| CN110903624A (en) * | 2019-11-28 | 2020-03-24 | 常州奥智高分子新材料有限公司 | Diffusion plate and preparation method thereof |
-
2013
- 2013-12-23 CN CN201310716099.0A patent/CN104725816A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105542426A (en) * | 2016-03-09 | 2016-05-04 | 银禧工程塑料（东莞）有限公司 | Low-expansion, flame-retardant and photodiffusion PC (polycarbonate) composite material for LED lamp tube and preparation method of PC composite material |
| CN106700470A (en) * | 2016-12-09 | 2017-05-24 | 东莞市欣隆光电材料有限公司 | Bending-deformation-resistant frosted PC (polycarbonate) composite material |
| CN108047675A (en) * | 2017-11-21 | 2018-05-18 | 横店集团得邦工程塑料有限公司 | A kind of high light transmission high-modulus photodiffusion polycarbonate composite material and preparation method thereof |
| CN110903624A (en) * | 2019-11-28 | 2020-03-24 | 常州奥智高分子新材料有限公司 | Diffusion plate and preparation method thereof |
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Application publication date: 20150624 |
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