CN104403295A

CN104403295A - Halogen-free flame-retardant high-gloss inorganic-fiber-reinforced PC/ABS material and preparation method thereof

Info

Publication number: CN104403295A
Application number: CN201410789531.3A
Authority: CN
Inventors: 徐东; 许江威
Original assignee: Polymer Science Anhui New Material Co Ltd
Current assignee: Polymer Science Anhui New Material Co Ltd
Priority date: 2014-12-17
Filing date: 2014-12-17
Publication date: 2015-03-11

Abstract

The invention belongs to the technical field of modification of high polymer materials and provides a halogen-free flame-retardant high-gloss inorganic-fiber-reinforced PC/ABS material and a preparation method thereof. The halogen-free flame-retardant high-gloss inorganic-fiber-reinforced PC/ABS material is prepared from raw materials in percentage by weight as follows: 50-55% of PC, 10-20% of ABS, 0-1% of a sulphonate flame retardant, 6-12% of a phosphorus-containing flame retardant, 2.5-5.5% of a compatilizer, 5-10% of a toughening agent, 0.3-2% of a processing aid, 0.1-1% of an antioxidant, 0.1-1% of an anti-ultraviolet agent, 10-20% of inorganic fibers and 0-1% of a metal-imitating toner. According to the halogen-free, flame-retardant, high-gloss and inorganic-fiber-reinforced PC/ABS material, the aid and all the raw materials are reasonably selected and matched, the fibers and the flame retardants are added, through reasonably optimized screw combination, high-gloss, high strength, high rigidity and flame retardant properties are obtained, meanwhile, the halogen-free, flame-retardant, high-gloss and inorganic-fiber-reinforced PC/ABS material has certain impact strength and the reasonable melt flow rate, the reasonable thermal deformation temperature, the reasonable Vicat softening temperature and the like, and a high-gloss mirror effect can be realized.

Description

A kind of Halogen-free flame retardant highlight pool inorganic fibre strengthens PC/ABS material and preparation method thereof

Technical field

The invention belongs to field of high polymer material modification, particularly relate to high glass fiber reinforced PC PC/ABS material in a kind of Halogen-free flame retardant highlight pool and preparation method thereof.

Background technology

Brand-new product design concept and customer need promote novel material and constantly reform, the LCD TV on super large, ultra-thin, narrow limit is self-evident to the visual impact of people, traditional non-metallic material obviously cannot meet this design needs, current in the urgent need to a kind of material that can realize high gloss, high strength, high rigidity, high-impact simultaneously.

Certain progress has been had at present to the research of high light glass fiber reinforced PC/ABS, if publication number is that CN103044886A Chinese patent application it discloses PC/ABS alloy preparation method and application, it proposes to realize the method that high gloss high strength fibre strengthens PC/ABS first, achieve glass, the fine application concept being applied to high light LCD TV and notebook computer of carbon, but deep description is not done to the technique how realizing Gao Guang, if publication number is that CN103013089A Chinese patent application it discloses a kind of flame-retardant glassfiber reinforced PC/ABS composite material and preparation method thereof, it proposes rationally to add special inside and outside lubricant agent and anti-glass and to leak outside agent, achieve both synergies, make fiber dispersion even, and solve the problem easily producing floating fibre, improve the homogeneity of alloy property, and successfully can solve the problem that plastic is difficult to the demoulding, certain requirement is proposed to the screw-rod structure design of polycomponent melt blending system simultaneously, but its patent thinks that the fire retardants such as BDP are liquid inconvenience processing, also limit inorganic fibre simultaneously and be only glass fibre, if publication number is that CN103044886A Chinese patent application it discloses PC/ABS alloy preparation method and application, it proposes imitative metal height light halogen-free flame-retardant glassfiber reinforced PC/ABS, if publication number is that CN103497498A Chinese patent application it discloses a kind of inorganic fibre enhancing PC/ABS Alloy And Preparation Method, its proposition adds aluminium-silver slurry in formula, can be realized the novel alloy of outward appearance and performance alternative metals simultaneously by PHCM injection technique, market significance is great, as publication number CN103589131A Chinese patent application it discloses a kind of reinforced polycarbonate matrix material and preparation method thereof, its proposition can solve the recovery and reusing and recycling problem of waste or used plastics source PC and ABS.

Above-mentioned is the Patents described at present about high light glass fiber reinforced PC/ABS, we can see, these patents have certain innovation on formula, but be not all described in detail realizing the photosynthetic gold copper-base alloy production technique of this height, as how least cost, optimum performance realize this alloy material and need research.

Summary of the invention

The object of the invention is to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of Halogen-free flame retardant highlight pool inorganic fibre to strengthen PC/ABS material and preparation method thereof, be intended to solve traditional fiberglass reinforced amorphism material in prior art and cannot be applied to the defect of high light appearance component.

The present invention is achieved in that on the one hand, provides the Halogen-free flame retardant highlight pool inorganic fibre enhancing PC/ABS material of a kind of high gloss, high strength, high rigidity, high-impact, comprises the component of following weight percent:

Particularly, described PC melting index under 300 DEG C/1.2KG condition is 8-30g/min.

Particularly, described imitative metal toner is aluminium-silver slurry, flake silver powder or copper powder; Or

Described imitative metal toner is the mixture of imitative metal pearly-lustre master batch and aluminium-silver slurry, flake silver powder or copper powder;

Wherein, the order number range of choice of described imitative metal toner is 60-800 order, granular size is 30-60 micron, heatproof is greater than 300 DEG C.

Particularly, described phosphonium flame retardant is xylenylphosphate, dihydroxyphenyl propane two (diphenyl phosphoester), phosphinates, melamine phosphate or phosphoric acid salt.

Particularly, described inorganic fibre is glass fibre, MF, roving glass fiber, special-shaped flat glass, carbon fiber, aramid fiber or the silicon carbide fiber that surface is crossed through coupling agent treatment.

Particularly, described oxidation inhibitor is four [3-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester and tricresyl phosphite (2,4-6-di-tert-butyl phenyl ester) according to the composite mixture that obtains of weight ratio 1:1 or two-3-(3-tertiary butyl-4-hydroxy-5-aminomethyl phenyl) vinyl cyanide of triglycol or three (2,4-di-tert-butylphenol) phosphorous acid ester.

Particularly, described compatilizer is MBS, SMA or maleic anhydride minor matters thing.

Particularly, described toughner is the ethylene elastomer of maleic anhydride and methyl methacrylate dual graft, high glue powder or MBS toughner.

Particularly, described processing aid is inside and outside lubricant agent, releasing agent, dispersion agent and anti-glass emergence on the surface agent is composite obtains, and according to weight part ratio, its recipe ingredient is: inside and outside lubricant agent 0.5 part, releasing agent 0.3 part, dispersion agent 0.6 part, anti-glass emergence on the surface agent 0.3 part.

On the other hand, provide a kind of Halogen-free flame retardant highlight pool inorganic fibre and strengthen PC/ABS material preparation method, comprise the following steps:

(1) recipe ingredient is taken

Strengthen PC/ABS material prescription according to Halogen-free flame retardant highlight pool according to claim 1 inorganic fibre and take PC, ABS, Sulfonates fire retardant, phosphonium flame retardant, compatilizer, toughner, processing aid, oxidation inhibitor, anti UV agent, inorganic fibre, imitative metal toner respectively;

(2) the first mixture is prepared

The described PC, the ABS that take in step (1), toughner, processing aid, oxidation inhibitor, anti UV agent, silver powder are added high mixer high speed mixing 2-10 minute, obtains the first mixture;

(3) melt extrude

The first mixture obtained in step (2) is added in meshing co rotating twin screw extrusion by main feed system, by Sulfonates fire retardant, phosphonium flame retardant is heated to 80 DEG C and adds at the 3rd charging opening, the glass fibre of silane coupling agent process is added at the second charging opening by side feeding measurement, through frit reaction, extrude, cooling, pelletizing, dry, obtain Halogen-free flame retardant highlight pool inorganic fibre and strengthen PC/ABS material, the length-to-diameter ratio 36:1 of described meshing co rotating twin screw extrusion, total barrel cylindrical shell 9 saves, often save the long 290mm of cylindrical shell, barrel total length is 2610mm, wherein, Section 1 is upper shed cylindrical shell, comprise the upper shed of main feeding, Section 4 is upper shed cylindrical shell, comprises the upper shed adding fiber and exhaust naturally, Section 6 is upper shed cylindrical shell, comprises the upper shed adding liquid combustion inhibitor, Section 8 cylindrical shell comprises vacuum port, is furnished with the device vacuumized, Section 9 is handpiece body, 2nd, 3,5,7,9 joints are cylindrical shell of remaining silent, the processing condition of described meshing co rotating twin screw extrusion are: twin screw extruder feeding section temperature is 180-225 DEG C, fluxing zone temperature is 235 DEG C-245 DEG C, homogenizing zone temperature is 250 DEG C-290 DEG C, head temperature 190 DEG C-220 DEG C, main frame frequency is set to 20-45Hz, screw speed 350-450rpm, main feeding rotating speed 360rpm, vacuum tightness is-0.04-0.1MPa, and side feeding measurement pump is heated to 80 DEG C, and RHCM injection mold temperature should control at 120-160 DEG C.

Beneficial effect of the present invention is: Halogen-free flame retardant highlight pool of the present invention inorganic fibre strengthens PC/ABS material by reasonable selection auxiliary agent and every proportioning raw materials, add fiber and fire retardant, by the screw combinations of reasonably optimizing, at acquisition Gao Guang, high-strength, Gao Gang, it is fire-retardant that (UL94 standard reaches V0 level, thickness 1.6mm) while performance, maintain Halogen-free flame retardant highlight pool inorganic fibre enhancing PC/ABS material and there is certain shock strength and rational melt flow rate (MFR), heat-drawn wire and vicat softening point temperature etc., high light mirror effect can be realized, solve traditional fiberglass reinforced amorphism material in prior art and cannot be applied to the defect of high light appearance component, in addition, above achieve a kind of engineering plastics at performance and simultaneously alternative metal in appearance, really realize to mould Dai Gang.

Accompanying drawing explanation

In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.

Fig. 1 is that the Halogen-free flame retardant highlight pool inorganic fibre that the embodiment of the present invention provides strengthens PC/ABS material preparation method schema.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.

The embodiment of the present invention provides a kind of Halogen-free flame retardant highlight pool inorganic fibre to strengthen PC/ABS material, comprises the component of following weight percent:

Particularly, above-mentioned PC is a kind of low-viscosity bisphenol A type polycarbonate, under 300 DEG C/1.2KG condition, melting index is 8-30g/min, as preferred embodiment, under 300 DEG C/1.2KG condition, melting index is 10-20g/min, this PC can purchase in Japanese bright dipping IR2200, and in a particular embodiment, the mass percentage of this PC can be the concrete component such as 50%, 51%, 52%, 53%, 54%.

Above-mentioned phosphonium flame retardant is xylenylphosphate, dihydroxyphenyl propane two (diphenyl phosphoester), phosphinates, melamine phosphate or phosphoric acid salt, in Halogen-free flame retardant highlight pool inorganic fibre enhancing PC/ABS material, add phosphonium flame retardant play plastification, the overall flow of material can be improved when not reducing polycarbonate molecular chain, prevent floating fine, as preferred embodiment, this phosphonium flame retardant, by weight, phosphorus content > 9%, in a particular embodiment, the mass percentage of this phosphonium flame retardant can be 6%, 7%, 8%, 9%, 10%, 11%, concrete component such as 12% grade.

Above-mentioned Sulfonates fire retardant, can purchase the SLOSS HES in SLOSS company of the U.S..In a particular embodiment, the mass percentage of this Sulfonates fire retardant can be the concrete component such as 0.1%, 0.2%, 0.3%, 0.4%, 0.5%, 0.6%, 0.7%, 0.8%, 0.9%, 1%.

Above-mentioned compatilizer is MBS, SMA or maleic anhydride minor matters thing, as preferred embodiment, this compatilizer is maleic anhydride minor matters things, percentage of grafting > 0.8, in a particular embodiment, the mass percentage of this compatilizer can be the concrete component such as 2.5%, 3%, 3.5%, 4%, 4.5%, 5%.

Above-mentioned toughner is selected from the ethylene elastomer of maleic anhydride and methyl methacrylate dual graft or high glue powder or MBS toughner.In a particular embodiment, the mass percentage of this toughner can be the concrete component such as 5%, 6%, 7%, 8%, 9%, 10%.

Above-mentioned processing aid is inside and outside lubricant agent, releasing agent, dispersion agent and anti-glass emergence on the surface agent is composite obtains, according to weight part ratio, its recipe ingredient is: inside and outside lubricant agent 0.5 part, releasing agent 0.3 part, dispersion agent 0.6 part, anti-glass emergence on the surface agent 0.3 part, processing aid effectively can improve the dispersiveness of each component in processing and moulding process, reduce the glossiness etc. of harmful friction and increase material, in a particular embodiment, the mass percentage of this processing aid can be 0.2%, 0.4%, 0.6%, 0.8%, 1%, 1.2%, 1.4%, 1.5%, 1.7%, concrete component such as 2% grade.

The oxidation in the course of processing of PC/ABS material and xanthochromia speed is strengthened in order to prevent Halogen-free flame retardant highlight pool inorganic fibre, improve Halogen-free flame retardant highlight pool inorganic fibre and strengthen the antioxidant property of PC/ABS material in preparation and use procedure, extend its work-ing life, the present invention with the addition of oxidation inhibitor in Halogen-free flame retardant highlight pool inorganic fibre enhancing PC/ABS material, as preferred embodiment, this oxidation inhibitor is four [3-(3, 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester and tricresyl phosphite (2, 4-6-di-tert-butyl phenyl ester) according to the composite mixture that obtains of weight ratio 1:1 or two-3-(3-tertiary butyl-4-hydroxy-5-aminomethyl phenyl) vinyl cyanide or three (2 of triglycol, 4-di-tert-butylphenol) phosphorous acid ester, in a particular embodiment, the mass percentage of this oxidation inhibitor can be 0.1%, 0.2%, 0.3%, 0.4%, 0.5%, 0.6%, 0.7%, 0.8%, 0.9%, concrete component such as 1% grade.

Above-mentioned anti UV agent is benzotriazole or hydroxy benzophenone ketone, in a particular embodiment, the mass percentage of this anti UV agent can be the concrete component such as 0.1%, 0.2%, 0.3%, 0.4%, 0.5%, 0.6%, 0.7%, 0.8%, 0.9%, 1%.

Above-mentioned inorganic fibre is the glass fibre, MF, roving glass fiber, special-shaped flat glass, carbon fiber, aramid fiber, silicon carbide fiber etc. of coupling agent treatment, require to carry out silane coupling agent pre-treatment simultaneously, to increase consistency and the cohesiveness of fiber and matrix, if carry out the surface treatment of glass voluntarily, for reaching the object that coupling agent disperses at glass surface uniform, suggestion uses wet processing.Between the 0.3-2% of coupling agent consumption total fiber mass after treatment, preferably 1%; Its treatment process: will the silane coupling agent of glass fiber weight 1% be accounted for, emulsification 20-50min in water, again the silane coupling agent after this emulsification is joined in the glass fibre of titanate coupling agent modified, put into baking oven and be dried to constant weight at 80-100 DEG C, removing free-water; Then oven temperature is increased to 100-120 DEG C, is again dried to constant weight, make glass surface and the hydroxyl condensation in coupling agent.In a particular embodiment, the mass percentage of this glass fibre can be the concrete component such as 10%, 13%, 15%, 18%, 20%.

Above-mentioned imitative metal toner is aluminium-silver slurry, flake silver powder or copper powder; Or above-mentioned imitative metal toner is the mixture of imitative metal pearly-lustre master batch and aluminium-silver slurry, flake silver powder or copper powder; Wherein, the order number range of choice of described imitative metal toner is 60-800 order, granular size is 30-60 micron, heatproof is greater than 300 DEG C, as preferred embodiment, silver powder order number range of choice is 100-300 order, this silver powder can be purchased and like card MP100-20B or PCR212 in Germany, in a particular embodiment, the mass percentage of this imitative metal powder can be the concrete component such as 0.1%, 0.2%, 0.3%, 0.4%, 0.5%, 0.6%, 0.7%, 0.8%, 0.9%, 1%.

Correspondingly, embodiments provide a kind of Halogen-free flame retardant highlight pool inorganic fibre and strengthen PC/ABS material preparation method, as shown in Figure 1, the method comprises the steps: the schematic flow sheet of this preparation method

S01 takes recipe ingredient

Strengthen PC/ABS material prescription according to above-mentioned Halogen-free flame retardant highlight pool inorganic fibre and take PC, ABS, Sulfonates fire retardant, phosphonium flame retardant, compatilizer, toughner, processing aid, oxidation inhibitor, anti UV agent, inorganic fibre, silver powder respectively;

S02 prepares the first mixture

The described PC, the ABS that take in step S01, toughner, processing aid, oxidation inhibitor, anti UV agent, silver powder are added high mixer high speed mixing 2-10 minute, obtains the first mixture;

S03 melt extrudes

The first mixture obtained in step S02 is added in meshing co rotating twin screw extrusion by main feed system, by Sulfonates fire retardant, phosphonium flame retardant is heated to 80 DEG C and adds at the 3rd charging opening, the glass fibre of silane coupling agent process is added at the second charging opening by side feeding measurement, through frit reaction, extrude, cooling, pelletizing, dry, obtain Halogen-free flame retardant highlight pool inorganic fibre and strengthen PC/ABS material, the length-to-diameter ratio 36:1 of above-mentioned meshing co rotating twin screw extrusion, total barrel cylindrical shell 9 saves, often save the long 290mm of cylindrical shell, barrel total length is 2610mm, wherein, Section 1 is upper shed cylindrical shell, comprise the upper shed of main feeding, Section 4 is upper shed cylindrical shell, comprises the upper shed adding fiber and exhaust naturally, Section 6 is upper shed cylindrical shell, comprises the upper shed adding liquid combustion inhibitor, Section 8 cylindrical shell comprises vacuum port, is furnished with the device vacuumized, Section 9 is handpiece body, 2nd, 3,5,7,9 joints are cylindrical shell of remaining silent, the processing condition of above-mentioned meshing co rotating twin screw extrusion are: twin screw extruder feeding section temperature is 180-225 DEG C, fluxing zone temperature is 235 DEG C-245 DEG C, homogenizing zone temperature is 250 DEG C-290 DEG C, head temperature 190 DEG C-220 DEG C, main frame frequency is set to 20-45Hz, screw speed 350-450rpm, main feeding rotating speed 360rpm, vacuum tightness is-0.04-0.1MPa, and side feeding measurement pump is heated to 80 DEG C, and RHCM injection mold temperature should control at 120-160 DEG C.

Particularly, in above-mentioned steps S01, Halogen-free flame retardant highlight pool inorganic fibre strengthens the formula of PC/ABS material and each component preferred content in filling a prescription and kind as described above, in order to save length, does not repeat them here.

In above-mentioned steps S03, the concrete technology condition of this meshing co rotating twin screw extrusion is as follows: on the feed alley wall fully adding inside screw to for the dusty raw materials making decomposition temperature lower and prevent it from sticking between barrel and screw rod and prevent from affecting blanking, one district's temperature of screw rod should suitably reduce, meshing co rotating twin screw extrusion feeding section temperature is 180-225 DEG C, fluxing zone temperature is 235 DEG C-245 DEG C, homogenizing zone temperature is 250 DEG C-290 DEG C, head temperature 190 DEG C-220 DEG C, main frame frequency is set to 20-45Hz, screw speed 350-450rpm, main feeding rotating speed 360rpm, vacuum tightness is-0.04-0.1MPa, side feeding measurement pump is heated to 80 DEG C.When combining melt blending screw-rod structure, should leave stronger shearing plasticizing structure space before side feeding glass feeds in raw material, PC, ABS and interpolation auxiliary agent will be uniformly dispersed before inorganic fibre, are advisable with 5 to 7 pieces of gear blocks; In air outlet and the aperture position such as to vacuumize and should avoid left-hand thread structure, emerge to prevent the excessive raw material of pressure; After fiber adds screw rod from side direction, also should leave certain shearing plasticizing structure space, improve dispersed degree and the raw material plasticizing effect of fiber, shear not easily excessively strong, be advisable with 3 to 5 pieces of gear blocks, otherwise desirable physical and mechanical properties cannot be reached; Liquid oily fire retardant must add after plasticizing and glass add again, easily skid in screw rod because liquid combustion inhibitor viscosity is larger, plasticizing inequality and glass may be caused to be difficult to shred, also glass can be prevented after adding fire retardant by excessive shear, suitable shearing plasticizing structure space should be left after side feeding fire retardant feeds in raw material, be advisable with 3 to 5 pieces of gear blocks, fire retardant be uniformly dispersed and infiltrate glass.Described material system is when for Shooting Technique, and RHCM injection mold Heating temperature should control at about 160 DEG C, and cooling should be reduced to about 60 DEG C fast.

In above-mentioned steps S03, the length-to-diameter ratio 36:1 of this meshing co rotating twin screw extrusion, total barrel cylindrical shell 9 saves, and often save the long 290mm of cylindrical shell, barrel total length is 2610mm, and wherein Section 1 is upper shed cylindrical shell, comprises the upper shed of main feeding; Section 4 is upper shed cylindrical shell, comprises the upper shed adding fiber and exhaust naturally; Section 6 is upper shed cylindrical shell, comprises the upper shed adding liquid combustion inhibitor; Section 8 cylindrical shell comprises vacuum port, is furnished with the device vacuumized; Section 9 is handpiece body, the 2nd, 3,5,7,9 joint be cylindrical shell of remaining silent, screw flight portions total length is 2580-2598mm, and screw combinations is as follows: blanking section be barrel total length 18-19%:56/56,96/96*2,64/64,56/56*3; Fusion plastification section be barrel total length 15-16%:K45/5/56, K60/4/56,56/56,44/44, K45/5/56, K45/5/44, K45/5/56,72/36L; Second feeding section is 9-10%:72/72,56/56*3 of barrel total length; Shear 11-12%:K45/5/56, K90/5/56, K45/5/44,56/56*2,72/36L that section is barrel total length; 3rd feeding section is 16-17%:72/72,64/64*2,56/56*4 of barrel total length; Second shears 7-8%:K45/5/56, K90/5/56, K45/5/44,72/36L that section is barrel total length; Exhaust section is the 11-12%:96/96*3 of barrel total length; Transportation section is the 10-11%:72/72*2,64/64,56/56 of barrel total length.

Above-mentioned Halogen-free flame retardant highlight pool inorganic fibre strengthens PC/ABS material and preparation method thereof only need by filling a prescription each component mixing and melt extruding at a proper temperature and can obtain product, melt extruding the temperature and time that only need control in process to melt extrude, therefore, its preparation method technique is simple, condition is easily controlled, with low cost, feature low for equipment requirements, is suitable for suitability for industrialized production.

For better understanding the present invention, below in conjunction with embodiment, the invention will be further described, and following examples are only that the present invention will be described but not are limited it.

Embodiment 1

Halogen-free flame retardant highlight pool inorganic fibre in this embodiment strengthens PC/ABS material, content by weight percentage, composed of the following components: PC 55.0 parts, ABS 13.3%, tricresyl phosphate diformazan phenyl ester 8.0%, HES-FR 0.1%, MBS 4.0%, ABS-g-MAH 3.0%, processing aid 1.5%, oxidation inhibitor 0.5%, anti UV agent 0.5% stir 5 minutes in agitation vat, through the megalith glass fibre 988A15% of advanced processing, melt extrude granulation through twin screw extruder again, its complete processing is described above.

Embodiment 2

Halogen-free flame retardant highlight pool inorganic fibre in this embodiment strengthens PC/ABS material, content by weight percentage, composed of the following components: PC 55.0 parts, ABS 13.3%, tricresyl phosphate diformazan phenyl ester 8.0%, KSS0.1%, MBS 4.0%, ABS-g-MAH 3.0%, processing aid 1.5%, oxidation inhibitor 0.5%, anti UV agent 0.5% stir 5 minutes in agitation vat, through the megalith glass fibre 988A 15% of advanced processing, melt extrude granulation through twin screw extruder again, its complete processing is described above.

Embodiment 3

Halogen-free flame retardant highlight pool inorganic fibre in this embodiment strengthens PC/ABS material, content by weight percentage, composed of the following components: PC 55.0 parts, ABS 13.3%, tricresyl phosphate diformazan phenyl ester 8.0%, PDMS0.1%, MBS 4.0%, ABS-g-MAH 3.0%, processing aid 1.5%, oxidation inhibitor 0.5%, anti UV agent 0.5% stir 5 minutes in agitation vat, through the megalith glass fibre 988A 15% of advanced processing, melt extrude granulation through twin screw extruder again, its complete processing is described above.

Embodiment 4

Halogen-free flame retardant highlight pool inorganic fibre in this embodiment strengthens PC/ABS material, content by weight percentage, composed of the following components: PC 55.0 parts, ABS 12.7%, tricresyl phosphate diformazan phenyl ester 8.0%, HES-FR0.1%, MBS 4.0%, ABS-g-MAH 3.0%, processing aid 1.5%, oxidation inhibitor 0.5%, anti UV agent 0.5%, silver powder 0.6% stir 5 minutes in agitation vat, through the megalith glass fibre 988A 15% of advanced processing, melt extrude granulation through twin screw extruder again, its complete processing is described above.

Embodiment 5

Halogen-free flame retardant highlight pool inorganic fibre in this embodiment strengthens PC/ABS material, content by weight percentage, composed of the following components: PC resin 55.0 parts, ABS 7.9%, tricresyl phosphate diformazan phenyl ester 12.0%, MBS 4.0%, ABS-g-MAH 3.0%, processing aid 1.5%, oxidation inhibitor 0.5%, anti UV agent 0.5%, silver powder 0.6% stir 5 minutes in agitation vat, through the megalith glass fibre 988A 15% of advanced processing, melt extrude granulation through twin screw extruder again, its complete processing is described above.

Comparative example 1

Halogen-free flame retardant highlight pool inorganic fibre in this embodiment strengthens PC/ABS material, content by weight percentage, composed of the following components: PC 55.0 parts, ABS 11.2%, tricresyl phosphate diformazan phenyl ester 10.0%, KSS 0.2%, MBS 4.0%, ABS-g-MAH 3.0%, processing aid 1.5%, oxidation inhibitor 0.5%, anti UV agent 0.5% stir 5 minutes in agitation vat, through the megalith glass fibre 988A 15% of advanced processing, melt extrude granulation through twin screw extruder again, its complete processing is described above.

Comparative example 2

Halogen-free flame retardant highlight pool inorganic fibre in this embodiment strengthens PC/ABS material, content by weight percentage, composed of the following components: PC 55.0 parts, ABS 11.2%, tricresyl phosphate diformazan phenyl ester 10.0%, PDMS2%, MBS 4.0%, ABS-g-MAH 3.0%, processing aid 1.5%, oxidation inhibitor 0.5%, anti UV agent 0.5% stir 5 minutes in agitation vat, through the megalith glass fibre 988A 15% of advanced processing, melt extrude granulation through twin screw extruder again, its complete processing is described above.

Comparative example 3

Recipe is with embodiment 1, and injection mould temperature 100 DEG C, its complete processing is described above.

Performance test and evaluation:

The particle material prepared by above-described embodiment 1-5 and comparative example 1-3 first in convection oven under the condition of 80-90 DEG C dry 4 hours, then makes the test of standard testing batten by dried particle material injection moulding machine;

Wherein, tensile strength is tested by ASTM D-638 standard.

Specimen types is I type, batten size (mm):

(176 ± 2) (length) × (12.6 ± 0.2) (end portion width) × (3.05 ± 0.2) (thickness), draw speed is 50mm/min;

Notched Izod impact strength is tested by ASTM D-256 standard.

Specimen types is I type, specimen size (mm):

(63±2)×(12.45±0.2)×(3.1±0.2)；

Breach type is category-A, and breach residual thickness is 1.9mm.

It is as shown in table 1 that Halogen-free flame retardant highlight prepared by embodiment 1-5 and comparative example 1-3 pool inorganic fibre strengthens the testing standard of PC/ABS material, performance and unit.

The test result that Halogen-free flame retardant highlight pool inorganic fibre prepared by embodiment 1-5 and comparative example 1-3 strengthens PC/ABS material is as shown in table 2.

Physical property performance	Testing standard	Condition	Unit
				Tensile strength	ASTM D638	50mm/min	MPa
Elongation at break	ASTM D638	50mm/min	％
				Flexural strength	ASTM D790	20mm/min	MPa
Modulus in flexure	ASTM D790	20mm/min	MPa
				Shock strength	ASTM D256	2.75J，23℃	J/m
Melting index	ASTMD 1238	260℃/2.16KG	g/10min
				Density	ASTM D792	23℃	g/cm ³
Fire-retardant	UL94	3.2mm/2.0mm
				Heat-drawn wire	ASTM D648	1.8Mpa (unannealed)	℃
Die temperature	Heating/cooling	Be rapidly heated cooling	℃
				Surface gloss

Table 1

Table 2

From above-mentioned table 1 and table 2, Sulfonates fire retardant and silicon-series five-retardant have certain synergistic effect to PC/ABS organic phosphate flame-retardant system, we just can see that the synergistic effect of organic silicon fibre retardant is relatively poor, and Sulfonates fire retardant is excellent with the synergistic effect of the sodium salt containing two sulfonic acid groups or sylvite, die temperature can affect the surface property of material.

Halogen-free flame retardant highlight pool of the present invention inorganic fibre strengthens PC/ABS material, main purpose improves the surface bonding performance of inorganic fibre and organic substrate, reach high gloss, realize the defect that traditional fiberglass reinforced amorphism material cannot be applied to high light appearance component, adopt RHCM Shooting Technique can change the surface crystallization state of material, strengthen coated to inorganic fibre of base material, improve the melt flow performance of melt in die cavity, the principal feature of material is excellent strength modulus, good surface hardness, dimensional stability, processing fluidity, can realize high light mirror effect.

The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.

Claims

1. Halogen-free flame retardant highlight pool inorganic fibre strengthens a PC/ABS material, comprises the component of following weight percent:

2. Halogen-free flame retardant highlight pool as claimed in claim 1 inorganic fibre strengthens PC/ABS material, and it is characterized in that, described PC melting index under 300 DEG C/1.2KG condition is 8-30g/min.

3. Halogen-free flame retardant highlight pool as claimed in claim 1 inorganic fibre strengthens PC/ABS material, and it is characterized in that, described imitative metal toner is aluminium-silver slurry, flake silver powder or copper powder; Or

4. Halogen-free flame retardant highlight pool as claimed in claim 1 inorganic fibre strengthens PC/ABS material, it is characterized in that, described phosphonium flame retardant is xylenylphosphate, dihydroxyphenyl propane two (diphenyl phosphoester), phosphinates, melamine phosphate or phosphoric acid salt.

5. Halogen-free flame retardant highlight pool as claimed in claim 1 inorganic fibre strengthens PC/ABS material, it is characterized in that, described inorganic fibre is glass fibre, MF, roving glass fiber, special-shaped flat glass, carbon fiber, aramid fiber or the silicon carbide fiber that surface is crossed through coupling agent treatment.

6. Halogen-free flame retardant highlight pool as claimed in claim 1 inorganic fibre strengthens PC/ABS material, it is characterized in that, described oxidation inhibitor is four [3-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester and tricresyl phosphite (2,4-6-di-tert-butyl phenyl ester) according to the composite mixture that obtains of weight ratio 1:1 or two-3-(3-tertiary butyl-4-hydroxy-5-aminomethyl phenyl) vinyl cyanide of triglycol or three (2,4-di-tert-butylphenol) phosphorous acid ester.

7. Halogen-free flame retardant highlight pool as claimed in claim 1 inorganic fibre strengthens PC/ABS material, and it is characterized in that, described compatilizer is MBS, SMA or maleic anhydride minor matters thing.

8. Halogen-free flame retardant highlight pool as claimed in claim 1 inorganic fibre strengthens PC/ABS material, it is characterized in that, described toughner is the ethylene elastomer of maleic anhydride and methyl methacrylate dual graft, high glue powder or MBS toughner.

9. Halogen-free flame retardant highlight pool as claimed in claim 1 inorganic fibre strengthens PC/ABS material, it is characterized in that, described processing aid is inside and outside lubricant agent, releasing agent, dispersion agent and anti-glass emergence on the surface agent is composite obtains, according to weight part ratio, its recipe ingredient is: inside and outside lubricant agent 0.5 part, releasing agent 0.3 part, dispersion agent 0.6 part, anti-glass emergence on the surface agent 0.3 part.

10. the Halogen-free flame retardant highlight pool inorganic fibre as described in any one of claim 1-9 strengthens PC/ABS material preparation method, it is characterized in that, comprises step:

(1) recipe ingredient is taken

(2) the first mixture is prepared

(3) melt extrude