CN103497498A - Inorganic fiber reinforced PC (polycarbonate)/ABS (acrylonitrile butadiene styrene) alloy and preparation method thereof - Google Patents
Inorganic fiber reinforced PC (polycarbonate)/ABS (acrylonitrile butadiene styrene) alloy and preparation method thereof Download PDFInfo
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- CN103497498A CN103497498A CN201310435746.0A CN201310435746A CN103497498A CN 103497498 A CN103497498 A CN 103497498A CN 201310435746 A CN201310435746 A CN 201310435746A CN 103497498 A CN103497498 A CN 103497498A
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Abstract
The invention discloses an inorganic fiber reinforced PC (polycarbonate)/ABS (acrylonitrile butadiene styrene) alloy and a preparation method thereof. The inorganic fiber reinforced PC/ABS alloy comprises the following components in percentage by weight: 40.0-55.0% of PC, 10.0-20.0% of ABS, 0-4.0% of a silicon-containing flame retardant, 5.0-12.0% of a phosphorus-containing flame retardant, 2.5-5.5% of a compatibilizer, 5.0-10.0% of a toughening agent, 0.3-0.6% of a lubricating agent, 0.1-1.0% of an antioxidant, 0.1-1.0% of an anti-ultraviolet agent, 2-5% of aluminum silver paste and 10%-30% of inorganic fiber. The inorganic fiber reinforced PC/ABS alloy disclosed by the invention adopts an aluminum silver paste coloring technology to obtain a metal-like color, and the mechanical properties of a material are improved by inorganic fiber reinforcement; a plastic product is molded by adopting an RHCM (rapid heat cycle molding) technology, the high-gloss spraying-free and high-gloss metal-like effect can be obtained, and the product has the advantages of high strength, low warpage and good dimensional stability.
Description
[technical field]
The present invention relates to technical field of polymer materials, relate in particular to a kind of inorganic fibre and strengthen the PC/ABS Alloy And Preparation Method.
[background technology]
Plastics alternative metals and some other traditional material just become one of main policies of many market products operation, for manufacturerss, order about their power alternative with plastics metal and be this three elements compound of the handiness that reduces costs, design and weight reduction.Metal products is the product that a kind of price is high, energy consumption is high.Day by day serious in environmental pollution, energy-saving and emission-reduction instant today, how to research and develop Novel engineering plastic cement matrix material and carry out the substituted metal material, become one significant and there is the new and high technology of commercial value.The advantage of plastics is: (1) forming process power consumption low (for example injection moulding and extrusion, one is 180～320 ℃ for its processing temperature); (2) moulding is easy, the parts of production structure complexity in a large number, stay in grade; (3) cost of material is low; (4) excellent anti-corrosion performance.The advantage of metallic substance is: (1) mechanical property excellence; (2) heat-drawn wire is high; (3) easily electroplate; (4) density high (some occasion needs material to possess high-density).How by plastics and melts combine is got up and keep both advantages simultaneously, making it to become a kind of business-like production technology, is the art institute urgent problem.
Up to now, very rare people studies that density is higher, processibility is good, mechanical property is excellent, cost is not high and be easy to be processed into the metal-like engineering plastic composite material of exempting from surface decoration goods such as electroplating, spray paint.Occurred the little product product that imitative metal is joined on market, but the field required for large product, high strength but there is no similar material to occur.
[summary of the invention]
The inorganic fibre that the technical problem to be solved in the present invention is to provide a kind of high strength, high surface hardness, high gloss strengthens the PC/ABS alloy.
Another technical problem that will solve of the present invention is to provide the preparation method that a kind of above-mentioned inorganic fibre strengthens the PC/ABS alloy.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is that a kind of inorganic fibre strengthens the PC/ABS alloy, composed of the following components by weight percentage:
Above-described inorganic fibre strengthens the PC/ABS alloy, and described Silicone-containing Flame Retardant is the Methylphenylsilanone resin.。
Above-described inorganic fibre strengthens the PC/ABS alloy, described inorganic fibre be in the glass fibre processed through silane coupling agent of surface, MF, roving glass fiber, carbon fiber, aramid fiber, silicon carbide fiber any.
Described phosphonium flame retardant is selected from xylenylphosphate, dihydroxyphenyl propane two (diphenyl phosphoester), phosphinates, melamine phosphate or phosphoric acid salt.
Above-described inorganic fibre strengthens the PC/ABS alloy, and described toughner is selected from ethylene elastomer, high glue powder or the MBS toughner of maleic anhydride and methyl methacrylate dual graft.
Above-described inorganic fibre strengthens the PC/ABS alloy, and described oxidation inhibitor is a kind of in aromatic amine oxidation inhibitor, Hinered phenols antioxidant, or is mixed by weight 1:1 by both; Described anti ultraviolet agent is selected from benzotriazole or hydroxy benzophenone ketone.
Above-described inorganic fibre strengthens the PC/ABS alloy, described compatilizer is selected from MBS or ABS grafted maleic anhydride, ABS grafted maleic anhydride content by weight percentage is, ABS 95.0-97.0%, maleic anhydride 2.0-4.0%, white mineral oil 0.10-0.20%, dual-tert-butyl dicumyl peroxide 0.10-0.20%.
Above-described inorganic fibre strengthens the PC/ABS alloy, and the order scope of counting of described aluminium-silver slurry is the 60-800 order.
A kind of inorganic fibre claimed in claim 1 strengthens the preparation method of PC/ABS alloy, comprises the following steps:
901) take raw material by above-mentioned weight percent;
902) raw material except inorganic fibre is mixed;
903) mixture obtained in step 902 is melt extruded together with inorganic fibre.
Above-described inorganic fibre strengthens the PC/ABS alloy, comprises the inorganic fibre surface treatment step:.
1001) by inorganic fibre drying treatment 1-3 hour under 100-120 ℃ of condition;
1002) configuration silane coupling agent surface treatment agent solution, surface processing solution is comprised of distilled water, membrane-forming agent and silane coupling agent, the 0.5%-1.0% that wherein the silane coupling agent consumption is pending fibre weight, the membrane-forming agent consumption is pending fibre weight 0.1%-0.3%;
1003) by inorganic fibre with after described surface treatment agent solution mixes, dry 4-6 hour, the inorganic fibre after obtaining surface treatment after cooling under 120-140 ℃ of condition.
Inorganic fibre of the present invention strengthens the PC/ABS alloy and coordinates the RHCM Shooting Technique, can obtain the product of high strength, high surface hardness, high gloss.
[embodiment]
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The embodiment of the present invention provides a kind of polyblend, comprises the component of following weight percent:
Wherein, silicon-series five-retardant is the Methylphenylsilanone resin, for example, and PDMS, PDPS or PDPDMS.
Phosphorus flame retardant be selected from the inorganic phosphorus such as xylenylphosphate, phosphinates, melamine phosphate, phosphoric acid salt be based flame retardant, organophosphorus be in based flame retardant any.
Compatilizer is homemade ABS grafted maleic anhydride.Mix in high-speed mixer, then in twin screw extruder, carry out reactive extrusion.
The step of ABS grafted maleic anhydride: according to following weight proportion, take material: ABS 95.0-97.0%, maleic anhydride 2.0-4.0%, white mineral oil 0.10-0.20%, initiator 0.10-0.20%; In high-speed mixer, mix, by extruding continuously of response type twin screw extruder, prepared and take ABS as main chain, the reactive behavior polymkeric substance that maleic anhydride is side group, initiator is the dual-tert-butyl dicumyl peroxide, and through infrared spectra, and rheology, dynamic mechanical and tensile property test etc. show Characterization of The Products, maleic anhydride graft is 2.5% to the amount on ABS resin, and product has been protected the physico mechanical characteristic of ABS substantially.
Antioxidant is four [3-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester and tricresyl phosphite (2,4-di-t-butyl phenyl ester) composite mixture, in mixture, the mass ratio of two kinds of compositions is 1:1, described antioxidant also can-3-(3-tertiary butyl-4-hydroxy-5-aminomethyl phenyl two for triglycol) a kind of in vinyl cyanide, three (2,4-di-tert-butylphenol) phosphorous acid ester.
Anti ultraviolet agent is selected from benzotriazole or hydroxy benzophenone ketone, as UV-5411, UV-329 etc.
Toughner is selected from MBS or high glue powder.
Inorganic fibers is selected from carbon fiber or the glass fibre after surface treatment, and surface treatment step is as follows:
The drying treatment 1-3 hour under 100-120 ℃ of condition by glass fibre or carbon fiber; Glass fibre or carbon fiber are chopped (or long) glass fibre or carbon fiber.
Glass fibre or surface treatment of carbon fibers process are as follows: the configuration surface treatment soln, surface processing solution comprises distilled water, membrane-forming agent and silane coupling agent, the 0.5%-1.0% that wherein silane coupling agent KH560 consumption is pending fibre weight, membrane-forming agent polyethylene consumption is pending fibre weight 0.1%-0.3%, by dried glass fibre or carbon fiber and surface processing solution mixing, dry 4-6 hour under 120-140 ℃ of condition, obtain glass fibre or carbon fiber after surface treatment after cooling in baker.
Glass fibre or carbon fiber are after surface treatment, and its dispersive ability in polyblend, increase greatly with the bonding force of matrix resin.
Polyblend of the present invention, by using PC and the ABS of specified weight ratio, significantly improve the mechanical property of alloy, and the Halogen silicon added in alloy system and phosphorus are that composite fire retardant can make the flame retardant properties 1.2mm of alloy reach the requirement of U.S. UL94V-0 level, can reduce the heat-drawn wire of material, make it be suitable for the RHCM injection moulding simultaneously; The self-control compatilizer added is at the intact bonding interface of PC formation alternate with ABS, makes PC and the ABS can be compatible well; The toughner MBS added or high glue powder have improved the resistance to impact shock of alloy greatly; Adding of antioxidant and anti ultraviolet agent, make again the PC/ABS alloy have the ability of resistance of oxidation and ultraviolet radiation resisting preferably, thereby guarantee the work-ing life of material.
The embodiment of the present invention further provides above-mentioned polyblend preparation method, comprises the steps:
Step S01 takes raw material:
Take PC, ABS, Silicone-containing Flame Retardant, phosphonium flame retardant, compatilizer, toughner, lubricant, oxidation inhibitor, anti ultraviolet agent, aluminium-silver slurry and inorganic fibre by formula;
Step S02, mix:
PC, ABS, Silicone-containing Flame Retardant, phosphonium flame retardant, compatilizer, toughner, lubricant, oxidation inhibitor, anti ultraviolet agent, aluminium-silver slurry and inorganic fibre are mixed, obtain mixture;
Step S03, extrude processing:
Described mixture is melt extruded, obtain polyblend.
In step S01, inorganic fibers is glass fibre or the carbon fiber after surface treatment.In step S02, above-mentioned each component is mixed, obtain mixture;
In step S03, melt extrude used forcing machine and be selected from single screw rod or twin screw extruder, the condition of extruding treating processes is as follows:
One district 220-230 ℃, bis-district 235-240 ℃, tri-district 235-240 ℃, tetra-district 235-240 ℃, five district 240-250 ℃, six district 245-250 ℃, seven district 240-245 ℃, eight district 235-240 ℃; Screw speed 300-450 rev/min.
After extruding processing, or further pass through granulation, obtain polyblend.
The preparation-obtained polyblend of polyblend preparation method of the present invention has following advantage:
1. realized having the material of Gao Guang, superstrength, high rigidity simultaneously;
2. with same kind of products at abroad, compare, performance is more excellent, and impact property reaches its twice, and flame retardant properties reaches halogen-free flameproof UL94 V0, and intensity is better;
3. the high luminescent material of alternative tradition is applied in the more field of large size, thinner requirement.
The embodiment of the present invention further provides the application of above-mentioned polyblend in televisor, computer, smart mobile phone.
Below in conjunction with specific embodiment, above-mentioned polyblend preparation method is described in detail.
Formula and the preparation method of concrete PC-material of now take is example, and the present invention is further elaborated.
By formula will be above-mentioned except fiber each component be added in agitation vat, in agitation vat, stirring obtains mixture in 5 minutes;
Adding weight percent is the fiber after surface treatment, then melt extrudes granulation through twin screw extruder.Its complete processing is as follows: 235 ℃, 220 235 235 235 240 245 240 ℃, 8th district, ℃, 7th district, ℃, 6th district, ℃, 5th district, ℃, 4th district, ℃, 3rd district, ℃, 2nd district, twin screw extruder one district; 300 rev/mins of screw speeds.
The polyblend that the embodiment of the present invention 1 is obtained is realized 50 cun ultra-thin, ultralight, narrow limit LCD TV frames in conjunction with the RHCM Shooting Technique, make product reach reflecting effect, without any deformation and warping phenomenon, surface hardness reach 2H, flame retardant properties reaches UL94 V0.The polyblend that inventive embodiments 2 obtains is realized the ultra-thin notebook computer shell of exempting to spray in conjunction with the RHCM Shooting Technique, make product reach reflecting effect, without any deformation and warping phenomenon, surface hardness reach 2H, there is the EMI shield effectiveness, thermal conductivity, flame retardant properties reach UL94 V0, metal-like arranged.Reach technical indicator as follows:
By above-mentioned experimental result, we can find that fibre-reinforced PC/ABS alloy coordinates the RHCM Shooting Technique, the client obtains the product of high strength, high surface hardness, high gloss, the RHCM Shooting Technique is by being rapidly heated and the mode of fast cooling, change the surface crystallization situation of material, improve surface hardness and the surface luster of product; The fiber-reinforced PC material is because heat-drawn wire is too high, needs more than the mould temperature reaches 135 degree, is unfavorable for obtaining the product of Gao Guang, and its surface gloss is starkly lower than the PC/ABS alloy; And fiber reinforcement ABS Flame Retardancy energy, surface hardness and glossiness all can be much lower, the intensity of material also can be much lower simultaneously.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. an inorganic fibre strengthens the PC/ABS alloy, it is characterized in that, composed of the following components by weight percentage:
2. inorganic fibre according to claim 1 strengthens the PC/ABS alloy, it is characterized in that, described Silicone-containing Flame Retardant is the Methylphenylsilanone resin.
3. inorganic fibre according to claim 1 strengthens the PC/ABS alloy, it is characterized in that, described inorganic fibre be in the glass fibre processed through silane coupling agent of surface, MF, roving glass fiber, carbon fiber, aramid fiber, silicon carbide fiber any.
4. described phosphonium flame retardant is selected from xylenylphosphate, dihydroxyphenyl propane two (diphenyl phosphoester), phosphinates, melamine phosphate or phosphoric acid salt.
5. inorganic fibre according to claim 1 strengthens the PC/ABS alloy, it is characterized in that, described toughner is selected from ethylene elastomer, high glue powder or the MBS toughner of maleic anhydride and methyl methacrylate dual graft.
6. inorganic fibre according to claim 1 strengthens the PC/ABS alloy, it is characterized in that, described oxidation inhibitor is a kind of in aromatic amine oxidation inhibitor, Hinered phenols antioxidant, or is mixed by weight 1:1 by both; Described anti ultraviolet agent is selected from benzotriazole or hydroxy benzophenone ketone.
7. inorganic fibre according to claim 1 strengthens the PC/ABS alloy, it is characterized in that, described compatilizer is selected from MBS or ABS grafted maleic anhydride, ABS grafted maleic anhydride content by weight percentage is, ABS 95.0-97.0%, maleic anhydride 2.0-4.0%, white mineral oil 0.10-0.20%, dual-tert-butyl dicumyl peroxide 0.10-0.20%.
8. inorganic fibre according to claim 1 strengthens the PC/ABS alloy, it is characterized in that, the order scope of counting of described aluminium-silver slurry is the 60-800 order.
9. the preparation method of an inorganic fibre enhancing PC/ABS alloy claimed in claim 1, is characterized in that, comprises the following steps:
901) weight percent by claim 1 takes raw material;
902) raw material except inorganic fibre is mixed;
903) mixture obtained in step 902 is melt extruded together with inorganic fibre.
10. inorganic fibre according to claim 1 strengthens the PC/ABS alloy, it is characterized in that, comprises the inorganic fibre surface treatment step:
1001) by inorganic fibre drying treatment 1-3 hour under 100-120 ℃ of condition;
1002) configuration silane coupling agent surface treatment agent solution, surface processing solution is comprised of distilled water, membrane-forming agent and silane coupling agent, the 0.5%-1.0% that wherein the silane coupling agent consumption is pending fibre weight, the membrane-forming agent consumption is pending fibre weight 0.1%-0.3%;
1003) by inorganic fibre with after described surface treatment agent solution mixes, dry 4-6 hour, the inorganic fibre after obtaining surface treatment after cooling under 120-140 ℃ of condition.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104403257A (en) * | 2014-12-17 | 2015-03-11 | 天津金发新材料有限公司 | Ceramic fiber reinforced ABS/PC (acrylonitrile butadiene styrene/polycarbonate) alloy and preparation method thereof |
| CN106084712A (en) * | 2016-05-30 | 2016-11-09 | 李德雄 | Grid baffle plate |
| CN107141755A (en) * | 2017-05-26 | 2017-09-08 | 合肥会通新材料有限公司 | A kind of bloom exempts from sprayed on material and preparation method thereof |
| CN107177179A (en) * | 2016-03-10 | 2017-09-19 | 汉达精密电子(昆山)有限公司 | Fibre reinforced polycarbonate composite material and products thereof |
| CN107286622A (en) * | 2017-08-02 | 2017-10-24 | 合肥东恒锐电子科技有限公司 | A kind of notebook computer shell material of high flame retardant high intensity |
| CN107400324A (en) * | 2017-08-10 | 2017-11-28 | 深圳沃海森科技有限公司 | Spraying-free metal effect improves idle call ABS composite material of current mark and preparation method thereof |
| CN107459803A (en) * | 2017-09-01 | 2017-12-12 | 上海中镭新材料科技有限公司 | One kind is exempted to spray PC/ABS alloy resins and preparation method thereof |
| CN107759913A (en) * | 2017-11-17 | 2018-03-06 | 皮光明 | High tenacity antibiotic plastic and its preparation technology |
| CN108504062A (en) * | 2017-02-28 | 2018-09-07 | 汉达精密电子(昆山)有限公司 | Halogen-free flame retardant PC/ABS composite material and products thereof |
| CN109666277A (en) * | 2018-11-21 | 2019-04-23 | 苏州市同发塑业有限公司 | A kind of fiber reinforcement delustring fire retardation PC/ABS alloy and preparation method thereof |
| CN112778692A (en) * | 2020-12-31 | 2021-05-11 | 广东国恩塑业发展有限公司 | Reinforced ABS (acrylonitrile-butadiene-styrene) composition with low expansion coefficient and preparation method thereof |
| CN115819947A (en) * | 2022-12-13 | 2023-03-21 | 重庆会通科技有限公司 | PC/ABS alloy material free of welding line and free of metal spraying texture and preparation method thereof |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104403257A (en) * | 2014-12-17 | 2015-03-11 | 天津金发新材料有限公司 | Ceramic fiber reinforced ABS/PC (acrylonitrile butadiene styrene/polycarbonate) alloy and preparation method thereof |
| CN107177179A (en) * | 2016-03-10 | 2017-09-19 | 汉达精密电子(昆山)有限公司 | Fibre reinforced polycarbonate composite material and products thereof |
| CN106084712A (en) * | 2016-05-30 | 2016-11-09 | 李德雄 | Grid baffle plate |
| CN108504062A (en) * | 2017-02-28 | 2018-09-07 | 汉达精密电子(昆山)有限公司 | Halogen-free flame retardant PC/ABS composite material and products thereof |
| CN107141755A (en) * | 2017-05-26 | 2017-09-08 | 合肥会通新材料有限公司 | A kind of bloom exempts from sprayed on material and preparation method thereof |
| CN107286622A (en) * | 2017-08-02 | 2017-10-24 | 合肥东恒锐电子科技有限公司 | A kind of notebook computer shell material of high flame retardant high intensity |
| CN107400324A (en) * | 2017-08-10 | 2017-11-28 | 深圳沃海森科技有限公司 | Spraying-free metal effect improves idle call ABS composite material of current mark and preparation method thereof |
| CN107459803A (en) * | 2017-09-01 | 2017-12-12 | 上海中镭新材料科技有限公司 | One kind is exempted to spray PC/ABS alloy resins and preparation method thereof |
| CN107759913A (en) * | 2017-11-17 | 2018-03-06 | 皮光明 | High tenacity antibiotic plastic and its preparation technology |
| CN107759913B (en) * | 2017-11-17 | 2020-07-21 | 沈阳东源包装制品有限公司 | High-toughness antibacterial plastic and preparation process thereof |
| CN109666277A (en) * | 2018-11-21 | 2019-04-23 | 苏州市同发塑业有限公司 | A kind of fiber reinforcement delustring fire retardation PC/ABS alloy and preparation method thereof |
| CN109666277B (en) * | 2018-11-21 | 2021-12-31 | 苏州市同发塑业有限公司 | Fiber-reinforced extinction flame-retardant PC/ABS alloy and preparation method thereof |
| CN112778692A (en) * | 2020-12-31 | 2021-05-11 | 广东国恩塑业发展有限公司 | Reinforced ABS (acrylonitrile-butadiene-styrene) composition with low expansion coefficient and preparation method thereof |
| CN115819947A (en) * | 2022-12-13 | 2023-03-21 | 重庆会通科技有限公司 | PC/ABS alloy material free of welding line and free of metal spraying texture and preparation method thereof |
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Application publication date: 20140108 |