CN104448685A - Ceramic fiber reinforced flame retardant ABS and preparation method thereof - Google Patents
Ceramic fiber reinforced flame retardant ABS and preparation method thereof Download PDFInfo
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- CN104448685A CN104448685A CN201410789482.3A CN201410789482A CN104448685A CN 104448685 A CN104448685 A CN 104448685A CN 201410789482 A CN201410789482 A CN 201410789482A CN 104448685 A CN104448685 A CN 104448685A
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Abstract
The invention provides a ceramic fiber reinforced flame retardant ABS and a preparation method thereof. The ceramic fiber reinforced flame retardant ABS resin comprises the following components in percentage by weight: 32-78% of ABS, 10-30% of ceramic fibers, 0-1% of a coupling agent, 10-25% of a flame retardant, 2-8% of a compatilizer, 0.01-2% of a heat stabilizer, 0.01-2% of an antioxidant and 0.01-0.5% of a dispersing agent. By adopting the ceramic fiber reinforced ABS resin, additives such as the dispersing agent, the compatilizer, the heat stabilizer, the antioxidant, a lubrication agent and the like are added into the ceramic fiber reinforced ABS resin, so that the reinforced ABS resin has excellent mechanical performance, size stability and forming performance.
Description
Technical field
The present invention relates to a kind of ceramic fiber and strengthen flame-proof ABS resin and preparation method thereof, belong to macromolecular material and forming process field thereof.
Background technology
ABS resin is the good engineering plastics of a kind of over-all properties, has the features such as excellent cold tolerance, oil resistance, electrical property, dimensional stability and processing fluidity.Being widely used in the fields such as automobile component, household electrical appliance, building, instrument, office equipment, household utensils, is most widely used kind in current general engineering plastic.Along with the raising of whole society awareness of safety, most product all requires to have flame retardant resistance, possesses higher thermotolerance simultaneously, but ABS meets fire easily burning and heat-drawn wire is not high, fire retardant add the reduction that also can cause heat-drawn wire, so, in order to make it meet the difficult combustion of fire or certainly put out from fire and improve thermotolerance, flame-retardant modified and enhancing modified must be carried out to ABS.
It is generally the mechanical property with glass fiber reinforced ABS resin in prior art, Chinese invention patent, application number 201210245982.1, disclose a kind of glass fiber reinforced ABS resin and preparation method thereof, ABS resin is after fiberglass reinforced modification, can significantly improve its mechanical mechanics property, but after weak point is through fiberglass reinforced modification, because glass is in flow process, be easy to produce orientation, thus cause melt in flow direction and perpendicular flow direction, buckling deformation is produced because shrinking the inconsistent part that causes, for the part that surface-area is larger, be difficult to the planeness controlling its part, namely the mechanical property of material need to improve.
In addition, glass fiber reinforced ABS resin also can improve its resistance toheat, Chinese invention patent 200810041146.5, disclose a kind of high-performance glass fiber reinforced ABS resin composition, the heat-drawn wire of its products obtained therefrom is between 92 ~ 97 DEG C, but the environment for use of this material under many circumstances all relatively more severe (operating mode as motor car engine periphery), and this kind of severe environment can require higher to the long-term heat resistance of material, therefore, the resistance toheat of this resin still has much room for improvement.
Ceramic fiber is a kind of fibrous light refractory materials integrating conventional insulation material, refractory materials premium properties, and its diameter is generally 2 μm ~ 5 μm, and length mostly is 30mm ~ 250mm, and fiber surface is smooth cylindrical, and cross section is normally circular.Its constructional feature is void content high (being generally greater than 90%), and air vent aperture and specific surface area large.The said structure of ceramic fiber, ceramic fiber is made to have excellent heat-proof quality and less volume density compared with glass fibre, be used for industry insulation, sealing, the insulation of protective material, electric heating device, lagging material, the insulation of plant and instrument, electrical heating element and heat insulation material, automobile industry lagging material etc.
There is the problems such as bad, the easy generation buckling deformation of resistance toheat to effectively solve after ABS resin strengthens, the art of this patent adopts the mode adding ceramic fiber and each analog assistant to improve, ceramic fiber and the two of each analog assistant add, the reinforcement of composition, and it is complementary in performance between ABS resin, show spatial complementary effect, ceramic fiber is changed gradually by anisotropy in ABS resin, effective resistance toheat and that resist warping deformability improving material.
In addition, patented technology of the present invention, on the basis of adding ceramic fiber and this area conventional adjuvants, adds a small amount of dispersion agent, to reduce the balling ratio of ceramic fiber, improves the uniformly dispersed of ceramic fiber, ensures the continous-stable of material over-all properties.
Summary of the invention
The object of this invention is to provide a kind of ceramic fiber and strengthen flame-proof ABS resin and preparation method thereof, to overcome the defect that prior art exists.
In order to achieve the above object, the invention provides a kind of ceramic fiber and strengthen flame-proof ABS resin, be made up of following component by weight percentage:
The weight percentage sum of described each component is 100%.
Preferably, described ABS rubber phase weight content be 8-20%.
Preferably, described ceramic fiber is the ceramic fiber of high temperature (HT) type, Fibre diameter 2 ~ 4 microns.
Preferably, described coupling agent is one in phosphate coupling agent, silane coupling agent, glycidyl ester or mixture.
Preferably, described fire retardant is nano level magnesium, the oxide compound of aluminium or oxyhydroxide, micron order magnesium, the oxide compound of aluminium and the one of oxyhydroxide or mixture.
Preferably, described compatilizer is Zelan 338.
Preferably, described thermo-stabilizer is at least one in diphenyl-para-phenylene diamine, 4-hydroxyoctadecanoic anilide, triphenyl phosphite, the pungent diphenyl ester of phosphorous acid and Tyox B.
Preferably, described oxidation inhibitor is any one or composition of phenols primary antioxidant 1010 and auxiliary antioxidant 168.
Preferably, described dispersion agent is selected from Vltra tears (HPMC), the one in polyacrylamide (PAM) or composition.
A kind of ceramic fiber of the present invention strengthens the preparation method of flame-proof ABS resin, the steps include:
(1) ABS resin and coupling agent, fire retardant, compatilizer, thermo-stabilizer, oxidation inhibitor, dispersion agent are fully mixed in advance in high speed mixer;
(2) above-mentioned miscellany is added length-to-diameter ratio is 32:1 ~ 40:1, extrusion temperature is 180-240 DEG C, rotating speed is in the Strong shear twin screw extruder of 350-450rpm, its expressing technique is 200 ~ 210 DEG C, a district, two 220 ~ 230 DEG C, districts, three 230 ~ 240 DEG C, districts, four 215 ~ 225 DEG C, districts, residence time 1-2 minute, pressure is 12-18Mpa;
(3) in extrusion, ceramic fiber is evenly added by the accurate feed system metering of side direction, obtains the finished product after extruding tie rod, cooling, pelletizing, drying.
Evenly add ceramic fiber by side direction spout, melt extrude, after tie rod, cooling, pelletizing, drying, obtain the finished product.
Advantage of the present invention is: by adding ceramic fiber, each analog assistant and a small amount of dispersion agent, effectively raises the environmental protection flame retardant performance of material and resistance toheat and mechanical property.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
The specifications of raw materials that following examples adopt:
The ABS3453,3904 that ABS resin is DOW company;
Ceramic fiber is that Rocks in Luanping, Hebei Province Ao Tesiding Industrial Co., Ltd produces, and specification is the ceramic fiber of high temperature (HT) type, Fibre diameter 2 ~ 4 microns.
Phosphate coupling agent adopts Kenrich company of the U.S. trade mark to be the product of KR-238S;
Silane coupling agent adopts the domestic Qingdao Hai great Chemical Co., Ltd. trade mark to be the product of A-151;
Glycidyl ester adopts the Mitsui chemistry trade mark to be the product of R-140;
The particle diameter that fire retardant adopts Beijing Zhong Chaohaiqi Science and Technology Ltd. to produce is less than nano-aluminum hydroxide, the magnesium hydroxide of 100 nanometers, micron aluminium hydroxide, magnesium hydroxide;
Compatilizer is Zelan 338;
Thermo-stabilizer is the mixture of diphenyl-para-phenylene diamine, Tyox B;
Oxidation inhibitor is the mixture of phenols primary antioxidant 1010 and auxiliary antioxidant 16.
The component concentration of each embodiment is in table 1.
Table 1 Example formulations table
In embodiments of the invention 1 ~ 5, the preparation method of product is:
(1) ABS resin is mixed 3.5min in advance with coupling agent, fire retardant, compatilizer, thermo-stabilizer, oxidation inhibitor, dispersion agent in high speed mixer;
(2) starting material of mixing are placed in length-to-diameter ratio be the twin screw extruder of 40:1 through melt extruding, granulation, its expressing technique is 200 ~ 210 DEG C, a district, two 220 ~ 230 DEG C, districts, three 230 ~ 240 DEG C, districts, four 215 ~ 225 DEG C, districts, residence time 1-2 minute, pressure is 12-18Mpa;
(3) in extrusion, ceramic fiber is evenly added by the accurate feed system metering of side direction, obtains the finished product after extruding tie rod, cooling, pelletizing, drying.
In comparative example 1 of the present invention, the preparation method of product is:
(1) ABS resin is mixed 3.5min in advance with coupling agent, fire retardant, compatilizer, thermo-stabilizer, oxidation inhibitor, dispersion agent in high speed mixer;
(2) starting material of mixing are placed in length-to-diameter ratio be the twin screw extruder of 40:1 through melt extruding, granulation, its expressing technique is 200 ~ 210 DEG C, a district, two 220 ~ 230 DEG C, districts, three 230 ~ 240 DEG C, districts, four 215 ~ 225 DEG C, districts, residence time 1-2 minute, pressure is 12-18Mpa;
(3) in extrusion, glass fibre is evenly added by the accurate feed system metering of side direction, obtains the finished product after extruding tie rod, cooling, pelletizing, drying.
In comparative example 2 of the present invention, the preparation method of product is:
(1) ABS resin is mixed 3.5min in advance with coupling agent, fire retardant, compatilizer, thermo-stabilizer, oxidation inhibitor in high speed mixer;
(2) starting material of mixing are placed in length-to-diameter ratio be the twin screw extruder of 40:1 through melt extruding, granulation, its expressing technique is 200 ~ 210 DEG C, a district, two 220 ~ 230 DEG C, districts, three 230 ~ 240 DEG C, districts, four 215 ~ 225 DEG C, districts, residence time 1-2 minute, pressure is 12-18Mpa;
(3) in extrusion, ceramic fiber is evenly added by the accurate feed system metering of side direction, obtains the finished product after extruding tie rod, cooling, pelletizing, drying.
Embodiment and comparative example products obtained therefrom are carried out various performance test, and performance test standard is in table 2:
Table 2 performance test standard
| Performance perameter | Testing standard | Unit |
| Tensile strength | ISO 527 | MPa |
| Flexural strength | ISO 178 | MPa |
| Modulus in flexure | ISO 178 | MPa |
| Notched Izod impact strength | ISO 180 | KJ/m 2 |
| Heat-drawn wire | ISO 75 | ℃ |
| Flame retardant rating | UL-94 | -- |
The performance test data contrast table of above-mentioned formula products obtained therefrom:
Table 3 performance test data contrast table
| Performance perameter | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Comparative example 1 | Comparative example 2 |
| Tensile strength | 68 | 73 | 84 | 92 | 107 | 65 | 66 |
| Flexural strength | 121 | 129 | 145 | 159 | 175 | 118 | 119 |
| Modulus in flexure | 2800 | 2950 | 3150 | 3400 | 4800 | 2700 | 2750 |
| Notched Izod impact strength | 3.6 | 3.8 | 5.4 | 5.8 | 7.4 | 3.5 | 3.4 |
| Heat-drawn wire | 95.5 | 97.8 | 99.4 | 102.5 | 106.7 | 95 | 94 |
| Flame retardant rating | 3.2V-0 | 1.6 V-0 | 1.6 V-0 | 1.6 V-0 | 1.6 V-0 | 3.2 V-0 | 3.2 V-0 |
From above-described embodiment 1 ~ 5, a kind of ceramic fiber reinforced ABS resin mechanical property of the present invention and heat-drawn wire all strengthen with the increase of ceramic fiber add-on, this is because the modulus of ceramic fiber own and heat-proof quality all higher, through with polymer blended after, also improve high-modulus performance and the heat-drawn wire of alloy material.
From above-described embodiment 1 compared with documents 1, under the same conditions, the bad mechanical property of the ABS resin comparatively strengthened with 10 kilograms of ceramic fibers by the ABS resin of 10 kilograms of glass fiber reinforcement and heat-drawn wire is low, this is because comparatively ceramic fiber comparatively glass fibre there is more high-modulus performance and heat-proof quality, through with polymer blended after, also improve high-modulus performance and the heat-drawn wire of alloy material.
Embodiment 1 is compared with comparative example 2, under the same conditions, the mechanical property adding the ABS resin that ceramic fiber is strengthened of dispersion agent is more excellent, this is because dispersion agent add the balling ratio that can reduce ceramic fiber, improve the uniformly dispersed of ceramic fiber, then improve the performance of material each side, and ensure the continous-stable of material over-all properties.
Claims (10)
1. ceramic fiber strengthens a flame-proof ABS resin, it is characterized in that, is made up of following component by weight percentage:
The weight percentage sum of described each component is 100%.
2. a kind of ceramic fiber as claimed in claim 1 strengthens flame-proof ABS resin, and it is characterized in that, the rubber phase weight content of described ABS is 8-20%.
3. a kind of ceramic fiber as claimed in claim 1 strengthens flame-proof ABS resin, and it is characterized in that, described ceramic fiber is the ceramic fiber of high temperature (HT) type, Fibre diameter 2 ~ 4 microns.
4. a kind of ceramic fiber as claimed in claim 1 strengthens flame-proof ABS resin, and it is characterized in that, described coupling agent component is: the one in phosphate coupling agent, silane coupling agent, glycidyl ester or mixture.
5. a kind of ceramic fiber as claimed in claim 1 strengthens flame-proof ABS resin, it is characterized in that, described fire retardant is nano level magnesium, the oxide compound of aluminium or oxyhydroxide, micron order magnesium, the oxide compound of aluminium and the one of oxyhydroxide or mixture.
6. a kind of ceramic fiber as claimed in claim 1 strengthens flame-proof ABS resin, and it is characterized in that, described compatilizer is Zelan 338.
7. a kind of ceramic fiber as claimed in claim 1 strengthens flame-proof ABS resin, it is characterized in that, described thermo-stabilizer is at least one in diphenyl-para-phenylene diamine, 4-hydroxyoctadecanoic anilide, triphenyl phosphite, the pungent diphenyl ester of phosphorous acid and Tyox B.
8. a kind of ceramic fiber as claimed in claim 1 strengthens flame-proof ABS resin, it is characterized in that, described oxidation inhibitor is any one or composition of phenols primary antioxidant 1010 and auxiliary antioxidant 168.
9. a kind of ceramic fiber as claimed in claim 1 strengthens flame-proof ABS resin, it is characterized in that, described dispersion agent is selected from one in Vltra tears (HPMC), polyacrylamide (PAM) or composition.
10. a kind of ceramic fiber according to claim 1 strengthens the preparation method of flame-proof ABS resin, and it is characterized in that, concrete steps are as follows:
(1) ABS resin and coupling agent, fire retardant, compatilizer, thermo-stabilizer, oxidation inhibitor, dispersion agent are fully mixed in advance in high speed mixer;
(2) above-mentioned miscellany is added length-to-diameter ratio is 32:1 ~ 40:1, extrusion temperature is 180-240 DEG C, rotating speed is in the Strong shear twin screw extruder of 350-450rpm, its expressing technique each district temperature range is 200 ~ 240 DEG C, residence time 1-2 minute, pressure is 12-18Mpa;
(3) in extrusion, ceramic fiber is evenly added by the accurate feed system metering of side direction, obtains the finished product after extruding tie rod, cooling, pelletizing, drying.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107383750A (en) * | 2017-08-17 | 2017-11-24 | 费少挺 | High-strength engineering plastics and preparation method thereof |
| CN107722542A (en) * | 2017-09-29 | 2018-02-23 | 乔银娣 | Reduce the engineering plastics of infrared signature reduction |
| CN109096684A (en) * | 2018-07-11 | 2018-12-28 | 合肥铭佑高温技术有限公司 | A kind of heat-resistant engineering plastic of high tenacity |
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| CN102108179A (en) * | 2009-12-28 | 2011-06-29 | 崔贵府 | Ceramic fiber-containing flame-retardant and reinforced bulk polymerization-prepared acrylonitrile-butadiene-styrene (ABS) complex and preparation method thereof |
| CN102108178A (en) * | 2009-12-28 | 2011-06-29 | 崔贵府 | Flame-retarding reinforced acrylonitrile-butadiene-styrene (ABS) composite containing ceramic fibers and preparation method thereof |
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- 2014-12-17 CN CN201410789482.3A patent/CN104448685A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102108179A (en) * | 2009-12-28 | 2011-06-29 | 崔贵府 | Ceramic fiber-containing flame-retardant and reinforced bulk polymerization-prepared acrylonitrile-butadiene-styrene (ABS) complex and preparation method thereof |
| CN102108178A (en) * | 2009-12-28 | 2011-06-29 | 崔贵府 | Flame-retarding reinforced acrylonitrile-butadiene-styrene (ABS) composite containing ceramic fibers and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107383750A (en) * | 2017-08-17 | 2017-11-24 | 费少挺 | High-strength engineering plastics and preparation method thereof |
| CN107722542A (en) * | 2017-09-29 | 2018-02-23 | 乔银娣 | Reduce the engineering plastics of infrared signature reduction |
| CN109096684A (en) * | 2018-07-11 | 2018-12-28 | 合肥铭佑高温技术有限公司 | A kind of heat-resistant engineering plastic of high tenacity |
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Application publication date: 20150325 |