CN105646939A - Application of basic magnesium sulfate whiskers as flame-retardant anti-dripping agent of composition - Google Patents
Application of basic magnesium sulfate whiskers as flame-retardant anti-dripping agent of composition Download PDFInfo
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Abstract
The invention provides an application of basic magnesium sulfate whiskers as a flame-retardant anti-dripping agent of a composition. The basic magnesium sulfate whiskers have a diameter D smaller than 1.0 micron, a length L of 10 to 60 microns and the length-diameter ratio L/D greater than 30. By adding the basic magnesium sulfate whiskers into a flame-retardant material as an anti-dripping agent, the traditional polytetrafluoroethylene anti-dripping agent can be replaced, and the effect of the basic magnesium sulfate whiskers is superior to that of the polytetrafluoroethylene anti-dripping agent in the case of the same content.
Description
Technical field
The present invention relates to the flame-retardant modified field of macromolecular material, particularly relate to the purposes of a kind of alkali magnesium sulfate crystal whisker as composition flame-retardant anti-dropping agent.
Background technology
Along with the development of modern science and technology, people are also more and more stricter to the flame-retardancy requirements of polymkeric substance. Many times all require the flame retardant effect that common plastics (as: material such as polyethylene, polypropylene, polymeric amide, polycarbonate, acrylonitrile-butadiene-styrene resin, polyester) can reach good, i.e. the V0 rank of UL-94 or higher category.
With regard to current flame retardance of polymer, mainly contain that Halogen is fire-retardant, the big class of halogen-free flameproof two. In practical study and application, it is no matter that Halogen is fire-retardant or halogen-free flameproof is in order to reduce the consumption of main flame retardant and also to be reached desirable flame retardant effect, often adds anti-dripping agent and the composite use of main flame retardant in the polymer, good effect can be played like this. Current anti-dripping agent is almost polytetrafluoroethyl-ne ene-type anti-dripping agent on the market entirely.
For now, alkali magnesium sulfate crystal whisker be mainly used at present polyacrylic filling being strengthened, fire-retardant, this falls so that modulus and the oxygen index of polypropylene material increase, and the consumption of general alkali magnesium sulfate crystal whisker is the 10% ~ 50% of polypropylene quality. . As: Chinese patent CN101508787B is exactly wherein that when PP is 100 mass parts, alkali magnesium sulfate crystal whisker is 20 ~ 50 mass parts using alkali magnesium sulfate crystal whisker as filling enhancing, fall original use; Chinese patent CN102002184B, using alkali magnesium sulfate crystal whisker as toughener and fire retardant, carries out strengthening polypropylene flame redardant, and when PP is 100 mass parts, alkali magnesium sulfate crystal whisker is 30 ~ 50 mass parts. Alkali magnesium sulfate crystal whisker is used by right the present invention as anti-dripping agent, and its effect, compared with traditional anti-dripping agent (tetrafluoroethylene), goes even farther, and its consumption is also quite few, is generally the 0.2wt%-1wt% of matrix resin.
Summary of the invention
It is an object of the invention to provide the purposes of a kind of alkali magnesium sulfate crystal whisker as composition flame-retardant anti-dropping agent, the present invention proposes alkali magnesium sulfate crystal whisker first and uses as composition flame-retardant anti-dropping agent, and alternative traditional anti-dripping agent, anti-dripping effects is remarkable.
The alkali magnesium sulfate crystal whisker of the present invention is as the purposes of composition flame-retardant anti-dropping agent, and diameter D < 1.0 microns, the length L of described alkali magnesium sulfate crystal whisker are at 10-60 micron, length-to-diameter ratio L/D > 30.
Body material in described composition is polyethylene, polypropylene, polymeric amide, polycarbonate, acrylonitrile-butadiene-styrene resin, polyethylene terephthalate or polybutylene terephthalate.
Described polyamide material is the mixing of one or more in polyamide 6, polyamide 66, polyamide 610, polymeric amide 46, polyamide 1010, polyamide 612, polymeric amide 12, polymeric amide 8, polymeric amide 9.
When above-mentioned alkali magnesium sulfate crystal whisker uses as composition flame-retardant anti-dropping agent, its consumption is the 0.2wt%-1wt% of matrix resin quality in composition.
When preparing composition material, the fire retardant adding body material quality 10wt% ~ 30wt% in composition carries out extruding pelletization; The steady agent of light that also can add body material quality 0.1wt% ~ 0.3wt% in the lubricant of body material quality 0.1wt% ~ 0.3wt% in the oxidation inhibitor of body material quality 0.2wt% ~ 0.5wt% in composition, composition, composition carries out extruding pelletization.
One or both of TDE, eight bromine S ethers, antimonous oxide, Halogen nitrogen phosphorus fire retardant selected by above-mentioned fire retardant.
Four [��-(3 selected by above-mentioned oxidation inhibitor; 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester (antioxidant 1010), three [2; 4-di-tert-butyl-phenyl] phosphorous acid ester (irgasfos 168), N; N'-pair-(3-(3; 5-di-tert-butyl-hydroxy phenyl) propionyl) hexanediamine (oxidation inhibitor 1098), in ��-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid positive octadecanol ester (antioxidant 1076) two kinds carry out composite use.
Above-mentioned lubricant is the one in ethylene bis stearamide (EBS) and dimethyl silicone oil.
The steady agent of above-mentioned light is 50% hindered amine as light stabilizer 2,2,6,6-tetramethyl--4-low the polypropylene miser of piperidines alcohol stearate (UV-3853PP5) and 2-(2-hydroxyl-5-uncle good fortune base phenyl) benzotriazole (UV-5411) carries out composite use with mass ratio 1:1.
The useful effect of the present invention is:
1. the present invention using alkali magnesium sulfate crystal whisker as anti-dripping agent, with traditional anti-dripping agent---compared with polytetrafluoroethyl-ne ene-type anti-dripping agent, anti-dripping effects significantly improves.
2. traditional alkali magnesium sulfate crystal whisker uses mainly as padding strengthening flame-retardant agent, and general consumption accounts for the 5wt%-50wt% of whole matrix material; And the present invention it can be used as anti-dripping agent to use, its consumption greatly reduces, and is generally the 0.2wt%-1wt% of matrix resin.
3. widen the use range of alkali magnesium sulfate crystal whisker, break the unicity of market anti-dripping agent.
Embodiment
Below in conjunction with some embodiments and comparative example, the invention will be further described.
The material used in embodiment and comparative example has:
Alkali magnesium sulfate crystal whisker A model: WS-1S Yingkou prestige this digest;
Alkali magnesium sulfate crystal whisker Type B number: WS-3D Yingkou prestige this digest;
Alkali magnesium sulfate crystal whisker C model: WS-1CY Yingkou prestige this digest;
Polypropylene model: sub-petrochemical industry is raised by PPB-M30-V China Petrochemical Industry;
Mitsubishi of polycarbonate model: PC7022IR Japan;
Acrylonitrile-butadiene-styrene resin model: Dagu, ABSDG417 Tianjin chemical industry;
Polymeric amide A model: PA6M2500 Guangzhou is newly understood U.S.A and reached;
Polyethylene terephthalate model: PETCB-608S far spins industry (Shanghai);
Fire retardant A model: sky one, TDE Shandong chemistry;
Fire retardant Type B number: eight bromine S ether Shandong brother's science and technology;
Fire retardant C model: antimonous oxide Yiyang stibium trioxide factory of Hengchang;
Fire retardant D model: Halogen nitrogen phosphorus fire retardant WR03 Suzhou peace letter is safe;
Anti-dripping agent model: the celestial nation in PTFE type PTF-5050 Shanghai chemistry;
Oxidation inhibitor A model: Irganox1010 Switzerland vapour bar is refined;
Oxidation inhibitor Type B number: Irganox1098 Switzerland vapour bar is refined;
Oxidation inhibitor C model: Irganox1076 Switzerland vapour bar is refined;
Oxidation inhibitor D model: Irganox168 Switzerland vapour bar is refined;
Lubricant A model: Chaoyang Chemical Co., Ltd. of EBS Indonesia;
Lubricant Type B number: the industrial organosilicon novel material in dimethyl silicone oil Qingdao;
The steady agent A model of light: UV-3853PP5 U.S. cyanogen is special;
The steady agent Type B number of light: UV-5411 U.S. cyanogen is special.
Following flame retardant test project, performs UL-94 standard.
Embodiment listed by the present invention is the exemplary embodiments of the present invention, and right protection scope of the present invention is not limited to this.
Embodiment 1
By the polypropylene PPB-M30-V that weight part is 100 parts, the fire retardant A(TDE of 21 parts), the fire retardant C(antimonous oxide of 7 parts), 0.2 part of alkali magnesium sulfate crystal whisker WS-1S, 0.1 part of oxidation inhibitor A, 0.1 part of oxidation inhibitor D, 0.1 part of Lubricate EBS, 0.05 part of light steady agent A, 0.05 part of steady agent B of light add in high-speed mixer and mix. Wherein, the temperature of high-speed mixer be 65 DEG C, the speed of high-speed mixer be 100 revs/min. Then the material mixed is added twin screw extruder carries out extrude, cool, granulation, dress bag. The temperature of forcing machine is followed successively by 180 DEG C, 195 DEG C, 195 DEG C, 190 DEG C, 190 DEG C, 190 DEG C, 185 DEG C, 185 DEG C from feeding section to head, and screw speed is 180 revs/min, and screw slenderness ratio is 40. Its flame retardant properties is in Table-1.
Comparative example 1
By the polypropylene PPB-M30-V that weight part is 100 parts, the fire retardant A(TDE of 21 parts), the fire retardant C(antimonous oxide of 7 parts), 0.1 part of oxidation inhibitor A, 0.1 part of oxidation inhibitor D, 0.1 part of Lubricate EBS, 0.05 part of light steady agent A, 0.05 part of steady agent B of light add in high-speed mixer and mix. Wherein, the temperature of high-speed mixer be 65 DEG C, the speed of high-speed mixer be 100 revs/min. Then the material mixed is added twin screw extruder carries out extrude, cool, granulation, dress bag. The temperature of forcing machine is followed successively by 180 DEG C, 195 DEG C, 195 DEG C, 190 DEG C, 190 DEG C, 190 DEG C, 185 DEG C, 185 DEG C from feeding section to head, and screw speed is 180 revs/min, and screw slenderness ratio is 40. Its flame retardant properties is in Table-1.
Embodiment 2
By the polypropylene PPB-M30-V that weight part is 100 parts, the fire retardant B(eight bromine S ether of 23 parts), the fire retardant C(antimonous oxide of 7 parts), 0.5 part of alkali magnesium sulfate crystal whisker WS-3D, 0.2 part of oxidation inhibitor A, 0.3 part of oxidation inhibitor D, 0.3 part of Lubricate EBS, 0.15 part of light steady agent A, 0.15 part of steady agent B of light add in high-speed mixer and mix. Wherein, the temperature of high-speed mixer be 65 DEG C, the speed of high-speed mixer be 100 revs/min. Then the material mixed is added twin screw extruder carries out extrude, cool, granulation, dress bag. The temperature of forcing machine is followed successively by 180 DEG C, 195 DEG C, 195 DEG C, 190 DEG C, 190 DEG C, 190 DEG C, 185 DEG C, 185 DEG C from feeding section to head, and screw speed is 180 revs/min, and screw slenderness ratio is 40. Its flame retardant properties is in Table-1.
Comparative example 2
By the polypropylene PPB-M30-V that weight part is 100 parts, the fire retardant B(eight bromine S ether of 23 parts), the fire retardant C(antimonous oxide of 7 parts), 0.2 part of oxidation inhibitor A, 0.3 part of oxidation inhibitor D, 0.3 part of Lubricate EBS, 0.15 part of light steady agent A, 0.15 part of steady agent B of light add in high-speed mixer and mix.Wherein, the temperature of high-speed mixer be 65 DEG C, the speed of high-speed mixer be 100 revs/min. Then the material mixed is added twin screw extruder carries out extrude, cool, granulation, dress bag. The temperature of forcing machine is followed successively by 180 DEG C, 195 DEG C, 195 DEG C, 190 DEG C, 190 DEG C, 190 DEG C, 185 DEG C, 185 DEG C from feeding section to head, and screw speed is 180 revs/min, and screw slenderness ratio is 40. Its flame retardant properties is in Table-1.
Embodiment 3
By the polypropylene PPB-M30-V that weight part is 100 parts, the fire retardant D(WR03 of 30 parts), 1.0 parts of alkali magnesium sulfate crystal whisker WS-1CY, 0.15 part of oxidation inhibitor A, 0.25 part of oxidation inhibitor D, 0.2 part of Lubricate EBS, 0.1 part of light steady agent A, 0.1 part of steady agent B of light add in high-speed mixer and mix. Wherein, the temperature of high-speed mixer be 65 DEG C, the speed of high-speed mixer be 100 revs/min. Then the material mixed is added twin screw extruder carries out extrude, cool, granulation, dress bag. The temperature of forcing machine is followed successively by 180 DEG C, 195 DEG C, 195 DEG C, 190 DEG C, 190 DEG C, 190 DEG C, 185 DEG C, 185 DEG C from feeding section to head, and screw speed is 180 revs/min, and screw slenderness ratio is 40. Its flame retardant properties is in Table-1.
Comparative example 3
By the polypropylene PPB-M30-V that weight part is 100 parts, the fire retardant D(WR03 of 30 parts), 0.15 part of oxidation inhibitor A, 0.25 part of oxidation inhibitor D, 0.2 part of Lubricate EBS, 0.1 part of light steady agent A, 0.1 part of steady agent B of light add in high-speed mixer and mix. Wherein, the temperature of high-speed mixer be 65 DEG C, the speed of high-speed mixer be 100 revs/min. Then the material mixed is added twin screw extruder carries out extrude, cool, granulation, dress bag. The temperature of forcing machine is followed successively by 180 DEG C, 195 DEG C, 195 DEG C, 190 DEG C, 190 DEG C, 190 DEG C, 185 DEG C, 185 DEG C from feeding section to head, and screw speed is 180 revs/min, and screw slenderness ratio is 40. Its flame retardant properties is in Table-1.
Comparative example 4
By the polypropylene PPB-M30-V that weight part is 100 parts, the fire retardant D(WR03 of 30 parts), 1.0 parts of anti-dripping agent PTF-5050,0.15 part oxidation inhibitor A, 0.25 part of oxidation inhibitor D, 0.2 part of Lubricate EBS, 0.1 part of light steady agent A, 0.1 part of steady agent B of light add in high-speed mixer and mix. Wherein, the temperature of high-speed mixer be 65 DEG C, the speed of high-speed mixer be 100 revs/min. Then the material mixed is added twin screw extruder carries out extrude, cool, granulation, dress bag. The temperature of forcing machine is followed successively by 180 DEG C, 195 DEG C, 195 DEG C, 190 DEG C, 190 DEG C, 190 DEG C, 185 DEG C, 185 DEG C from feeding section to head, and screw speed is 180 revs/min, and screw slenderness ratio is 40. Its flame retardant properties is in Table-1.
The flame retardant properties of table-1 embodiment 1 ~ 3 and comparative example 1 ~ 4
| Test event | Embodiment 1 | Comparative example 1 | Embodiment 2 | Comparative example 2 | Embodiment 3 | Comparative example 3 | Comparative example 4 |
| UL-94 flame retardant rating | V0 | V2 | V0 | V0 | V0 | V0 | V0 |
| The t1+t2 summation (second) of 5 battens | 31 | 86 | 22 | 45 | 0 | 26 | 12 |
From above embodiment 1 ~ 3 and contrast 1 ~ 3, can obviously finding out, the alkali magnesium sulfate crystal whisker adding the present invention uses a lot more effective than not adding as anti-dripping agent; Namely as apparent from embodiment 1 and comparative example 1 can, the t1+t2 summation that can accomplish V0 rank and 5 samples adding alkali magnesium sulfate crystal whisker is 31 seconds, and the t1+t2 summation that can only accomplish V2 rank and 5 samples not adding alkali magnesium sulfate crystal whisker is 86 seconds.On the other hand, it can be seen that the anti-dripping agent of the present invention is more effective than traditional PTFE type anti-dripping agent from the comparison of embodiment 3, comparative example 3 and comparative example 4.
Embodiment 4
By the polycarbonate 7022IR that weight part is 100 parts, the fire retardant B(eight bromine S ether of 10 parts), 0.4 part of alkali magnesium sulfate crystal whisker WS-1S, 0.1 part of oxidation inhibitor C, 0.25 part of oxidation inhibitor D, 0.15 part of lubricant dimethyl silicone oil, 0.1 part of light steady agent A, 0.1 part of steady agent B of light add in high-speed mixer and mix. Wherein, the temperature of high-speed mixer be 65 DEG C, the speed of high-speed mixer be 100 revs/min. Then the material mixed is added twin screw extruder carries out extrude, cool, granulation, dress bag. The temperature of forcing machine is followed successively by 230 DEG C, 265 DEG C, 265 DEG C, 260 DEG C, 260 DEG C, 260 DEG C, 265 DEG C, 265 DEG C from feeding section to head, and screw speed is 200 revs/min, and screw slenderness ratio is 42. Its flame retardant properties is in Table-2.
Comparative example 5
By the polycarbonate 7022IR that weight part is 100 parts, the fire retardant B(eight bromine S ether of 10 parts), 0.1 part of oxidation inhibitor C, 0.25 part of oxidation inhibitor D, 0.15 part of lubricant dimethyl silicone oil, 0.1 part of light steady agent A, 0.1 part of steady agent B of light add in high-speed mixer and mix. Wherein, the temperature of high-speed mixer be 65 DEG C, the speed of high-speed mixer be 100 revs/min. Then the material mixed is added twin screw extruder carries out extrude, cool, granulation, dress bag. The temperature of forcing machine is followed successively by 230 DEG C, 265 DEG C, 265 DEG C, 260 DEG C, 260 DEG C, 260 DEG C, 265 DEG C, 265 DEG C from feeding section to head, and screw speed is 200 revs/min, and screw slenderness ratio is 42. Its flame retardant properties is in Table-2.
Embodiment 5
By the ABSDG417 that weight part is 100 parts, the fire retardant B(eight bromine S ether of 18 parts), the fire retardant C(antimonous oxide of 6 parts), 0.6 part of alkali magnesium sulfate crystal whisker WS-3D, 0.15 part of oxidation inhibitor C, 0.25 part of oxidation inhibitor D, 0.2 part of lubricant dimethyl silicone oil, 0.1 part of light steady agent A, 0.1 part of steady agent B of light add in high-speed mixer and mix. Wherein, the temperature of high-speed mixer be 75 DEG C, the speed of high-speed mixer be 120 revs/min. Then the material mixed is added twin screw extruder carries out extrude, cool, granulation, dress bag. The temperature of forcing machine is followed successively by 200 DEG C, 225 DEG C, 225 DEG C, 220 DEG C, 220 DEG C, 220 DEG C, 225 DEG C, 225 DEG C from feeding section to head, and screw speed is 200 revs/min, and screw slenderness ratio is 42. Its flame retardant properties is in Table-2.
Comparative example 6
By the ABSDG417 that weight part is 100 parts, the fire retardant B(eight bromine S ether of 18 parts), the fire retardant C(antimonous oxide of 6 parts), 0.15 part of oxidation inhibitor C, 0.25 part of oxidation inhibitor D, 0.2 part of lubricant dimethyl silicone oil, 0.1 part of light steady agent A, 0.1 part of steady agent B of light add in high-speed mixer and mix. Wherein, the temperature of high-speed mixer be 75 DEG C, the speed of high-speed mixer be 120 revs/min. Then the material mixed is added twin screw extruder carries out extrude, cool, granulation, dress bag. The temperature of forcing machine is followed successively by 200 DEG C, 225 DEG C, 225 DEG C, 220 DEG C, 220 DEG C, 220 DEG C, 225 DEG C, 225 DEG C from feeding section to head, and screw speed is 200 revs/min, and screw slenderness ratio is 42. Its flame retardant properties is in Table-2.
Embodiment 6
By the PA6M2500 that weight part is 100 parts, the fire retardant A(TDE of 18 parts), the fire retardant C(antimonous oxide of 6 parts), 0.8 part of alkali magnesium sulfate crystal whisker WS-1CY, 0.15 part of oxidation inhibitor B, 0.25 part of oxidation inhibitor D, 0.3 part of Lubricate EBS, 0.1 part of light steady agent A, 0.1 part of steady agent B of light add in high-speed mixer and mix.Wherein, the temperature of high-speed mixer be 75 DEG C, the speed of high-speed mixer be 120 revs/min. Then the material mixed is added twin screw extruder carries out extrude, cool, granulation, dress bag. The temperature of forcing machine is followed successively by 200 DEG C, 225 DEG C, 225 DEG C, 220 DEG C, 220 DEG C, 220 DEG C, 225 DEG C, 225 DEG C from feeding section to head, and screw speed is 200 revs/min, and screw slenderness ratio is 42. Its flame retardant properties is in Table-2.
Comparative example 7
By the PA6M2500 that weight part is 100 parts, the fire retardant A(TDE of 18 parts), the fire retardant C(antimonous oxide of 6 parts), 0.15 part of oxidation inhibitor B, 0.25 part of oxidation inhibitor D, 0.3 part of Lubricate EBS, 0.1 part of light steady agent A, 0.1 part of steady agent B of light add in high-speed mixer and mix. Wherein, the temperature of high-speed mixer be 75 DEG C, the speed of high-speed mixer be 120 revs/min. Then the material mixed is added twin screw extruder carries out extrude, cool, granulation, dress bag. The temperature of forcing machine is followed successively by 200 DEG C, 225 DEG C, 225 DEG C, 220 DEG C, 220 DEG C, 220 DEG C, 225 DEG C, 225 DEG C from feeding section to head, and screw speed is 200 revs/min, and screw slenderness ratio is 42. Its flame retardant properties is in Table-2.
Embodiment 7
By the PETCB-608S that weight part is 100 parts, the fire retardant B(eight bromine S ether of 18 parts), the fire retardant C(antimonous oxide of 6 parts), 1.0 parts of alkali magnesium sulfate crystal whisker WS-3D, 0.15 part of oxidation inhibitor C, 0.25 part of oxidation inhibitor D, 0.2 part of lubricant dimethyl silicone oil, 0.1 part of light steady agent A, 0.1 part of steady agent B of light add in high-speed mixer and mix. Wherein, the temperature of high-speed mixer be 75 DEG C, the speed of high-speed mixer be 120 revs/min. Then the material mixed is added twin screw extruder carries out extrude, cool, granulation, dress bag. The temperature of forcing machine is followed successively by 240 DEG C, 275 DEG C, 275 DEG C, 270 DEG C, 270 DEG C, 270 DEG C, 275 DEG C, 275 DEG C from feeding section to head, and screw speed is 200 revs/min, and screw slenderness ratio is 42. Its flame retardant properties is in Table-2.
Comparative example 8
By the PETCB-608S that weight part is 100 parts, the fire retardant B(eight bromine S ether of 18 parts), the fire retardant C(antimonous oxide of 6 parts), 0.15 part of oxidation inhibitor C, 0.25 part of oxidation inhibitor D, 0.2 part of lubricant dimethyl silicone oil, 0.1 part of light steady agent A, 0.1 part of steady agent B of light add in high-speed mixer and mix. Wherein, the temperature of high-speed mixer be 75 DEG C, the speed of high-speed mixer be 120 revs/min. Then the material mixed is added twin screw extruder carries out extrude, cool, granulation, dress bag. The temperature of forcing machine is followed successively by 240 DEG C, 275 DEG C, 275 DEG C, 270 DEG C, 270 DEG C, 270 DEG C, 275 DEG C, 275 DEG C from feeding section to head, and screw speed is 200 revs/min, and screw slenderness ratio is 42. Its flame retardant properties is in Table-2.
The flame retardant properties of table-2 embodiment 4 ~ 7 and comparative example 5 ~ 8
| Test event | Embodiment 4 | Comparative example 5 | Embodiment 5 | Comparative example 6 | Embodiment 6 | Comparative example 7 | Embodiment 7 | Comparative example 8 |
| UL-94 flame retardant rating | V0 | V0 | V0 | V0 | V0 | V0 | V0 | V0 |
| The t1+t2 summation (second) of 5 battens | 25 | 48 | 29 | 63 | 19 | 51 | 20 | 67 |
As apparent from above embodiment 4 ~ 7 and comparative example 5 ~ 8 can, the anti-dripping agent adding the present invention is much more effective than not adding anti-dripping agent. Such as: the t1+t2 summation of anti-dripping agent 5 battens that embodiment 7 adds the present invention is 20 seconds, and the t1+t2 summation not adding 5 battens of the comparative example 8 of anti-dripping agent is 67 seconds.
From above all embodiments and all comparative examples, can obviously find out: the anti-dripping agent effect of the present invention is remarkable, much more effective than not adding anti-dripping agent, might as well than adding traditional PTFE type anti-dripping agent effect.
Claims (6)
1. alkali magnesium sulfate crystal whisker is as a purposes for composition flame-retardant anti-dropping agent, and diameter D < 1.0 microns, the length L of described alkali magnesium sulfate crystal whisker are at 10-60 micron, length-to-diameter ratio L/D > 30.
2. according to claim 1 alkali magnesium sulfate crystal whisker as the purposes of composition flame-retardant anti-dropping agent, it is characterised in that: the body material in described composition is polyethylene, polypropylene, polymeric amide, polycarbonate, acrylonitrile-butadiene-styrene resin, polyethylene terephthalate or polybutylene terephthalate.
3. according to claim 2 alkali magnesium sulfate crystal whisker as the purposes of composition flame-retardant anti-dropping agent, it is characterised in that: described polyamide material is the mixing of one or more in polyamide 6, polyamide 66, polyamide 610, polymeric amide 46, polyamide 1010, polyamide 612, polymeric amide 12, polymeric amide 8, polymeric amide 9.
4. according to any one of claim 2-3 alkali magnesium sulfate crystal whisker as the purposes of composition flame-retardant anti-dropping agent, it is characterised in that: when it can be used as flame-retardant anti-dropping agent to use, its consumption is the 0.2wt%-1wt% of body material quality in composition.
5. according to claim 4 alkali magnesium sulfate crystal whisker as the purposes of composition flame-retardant anti-dropping agent, it is characterised in that: when preparing composition material, the fire retardant adding body material quality 10wt% ~ 30wt% in composition carries out extruding pelletization.
6. according to claim 5 alkali magnesium sulfate crystal whisker as the purposes of composition flame-retardant anti-dropping agent, it is characterised in that: the steady agent of light adding body material quality 0.1wt% ~ 0.3wt% in the lubricant of body material quality 0.1wt% ~ 0.3wt% in the oxidation inhibitor of body material quality 0.2wt% ~ 0.5wt% in composition, composition, composition carries out extruding pelletization.
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| CN106751593A (en) * | 2017-01-18 | 2017-05-31 | 东莞市票友机电科技有限公司 | Binder motor mount PBT engineering plastics and motor mount |
| CN107501920A (en) * | 2016-06-14 | 2017-12-22 | 合肥杰事杰新材料股份有限公司 | It is a kind of to improve composition of fiberglass reinforced PA 6 for floating fine phenomenon and preparation method thereof |
| CN109776956A (en) * | 2018-12-25 | 2019-05-21 | 宁波公牛电器有限公司 | High-impact, high rigidity, flame-retardant anti-dropping polypropylene modification material and its preparation method and application |
| CN114605789A (en) * | 2022-02-28 | 2022-06-10 | 金发科技股份有限公司 | PBT composite material and preparation method and application thereof |
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| CN106751593B (en) * | 2017-01-18 | 2019-06-21 | 东莞市票友机电科技有限公司 | Binder motor mount PBT engineering plastics and motor mount |
| CN109776956A (en) * | 2018-12-25 | 2019-05-21 | 宁波公牛电器有限公司 | High-impact, high rigidity, flame-retardant anti-dropping polypropylene modification material and its preparation method and application |
| CN114605789A (en) * | 2022-02-28 | 2022-06-10 | 金发科技股份有限公司 | PBT composite material and preparation method and application thereof |
| CN114605789B (en) * | 2022-02-28 | 2023-12-05 | 金发科技股份有限公司 | PBT composite material and preparation method and application thereof |
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