CN104031374A - Polycarbonate composition and preparation method thereof - Google Patents
Polycarbonate composition and preparation method thereof Download PDFInfo
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- CN104031374A CN104031374A CN201410256501.6A CN201410256501A CN104031374A CN 104031374 A CN104031374 A CN 104031374A CN 201410256501 A CN201410256501 A CN 201410256501A CN 104031374 A CN104031374 A CN 104031374A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/12—Making granules characterised by structure or composition
- B29B9/14—Making granules characterised by structure or composition fibre-reinforced
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/72—Measuring, controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/12—Making granules characterised by structure or composition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92609—Dimensions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92676—Weight
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a polycarbonate composition and a preparation method thereof. The polycarbonate composition comprises the following components in parts by weight: 75-86 parts of polycarbonate, 3-5 parts of filling material, 10-15 parts of glass fibers, 0.1-1 part of flame retardant, 0.5-3 parts of toughening agent, 0.1-0.5 part of main antioxidant, 0.1-0.5 part of auxiliary antioxidant, and 0.1-2 parts of other agents. The polycarbonate is modified under the coordination of the reinforcing material, the toughening agent and the processing aid, so that the polycarbonate composition has the advantages of good stability, high strength, warping resistance, good surface glossiness and excellent high-speed puncture impact resistance and toughness. Meanwhile, the polycarbonate composition has a good flame-retardant performance.
Description
Technical field
The invention belongs to technical field of polymer materials, particularly a kind of polycarbonate compositions and preparation method thereof.
Background technology
Polycarbonate (PC, Polycarbonate) resin is a kind of amorphism thermoplastic polymer, its shock strength is high, good rigidly, height is heat-resisting, glossiness good, good stability of the dimension, electrical apparatus insulation and creep resistance excellent, but its processing flowability is poor, not stress crack resistant.
Strengthen PC rigidity and thermotolerance and all improve a lot than PC, and molding shrinkage is little, is mainly used in some load bearing components, instrument outer cover and electronic apparatus shell etc.Although the flame retardant resistance of PC is better than general thermoplastic polymer in addition, but still be difficult to meet the requirement of some Application Areas to flame retardant properties, therefore must carry out flame-retardant modified to PC strongthener.There are at present some business-like flame-retardant glassfiber reinforced PCs, fire-retardant mineral enhancing PC and flame-proof glass fibre, mineral to mix and strengthen PC product, the physical strength of this series products, rigidity, fire-retardant and heat-resisting good, but at the impact resistance of some special occasions, do not reach requirement and can not meet non-halogen requirement.Domesticly announced a kind of polycarbonate compositions, said composition has higher mechanical property, and is halogen-free flameproof, but aspect shock-resistant Shortcomings, IZOD notched Izod impact strength only has 5～13KJ/m
2.It is toughner that domestic another kind of polycarbonate compositions adopts organic rigid-particle high density polyethylene(HDPE), and its processing characteristics is good, notched Izod impact strength is high, can reach 20KJ/m
2above, and feature that stress crack resistance performance good insensitive to breach, but said composition is not fire-retardant, and toughness is high not enough comparatively speaking.
Summary of the invention
The above-mentioned deficiency that the object of the invention is to overcome prior art, provides a kind of polycarbonate compositions and preparation method thereof, and to solve, existing polycarbonate compositions is shock-resistant, the technical problem of toughness relative mistake.
In order to realize foregoing invention object, technical scheme of the present invention is as follows:
A polycarbonate compositions, comprises the component of following weight part:
And a kind of preparation method of polycarbonate compositions, comprises the following steps:
According to above-mentioned polycarbonate compositions, take respectively each component;
The component taking except fiberglass component is carried out to mixing treatment, obtain mixture;
The main spout of described mixture is added, and fiberglass component adds and carries out mixed melting and extrude processing from side material mouth.
Compared with prior art, above-mentioned polycarbonate compositions adopts strongthener, toughner and processing aid collaborative to polycarbonate modified, makes polycarbonate compositions have following technique effect:
(1) cost performance is high, and the properties such as mechanical property, physicals (comprising shock resistance, the puncture of anti-high speed impact property, resistance to warpage performance and dimensional stabilizing etc.), processing characteristics are balanced;
(2) there is good rigidity, can be used for preparing high temperature resistant products;
(3) by glass fibre, weighting material component, give its low warpage properties energy and high-gloss surface;
(4) water-intake rate is low, excellent size stability;
(5) toughner all can purchased on the market, and the composition making has the feature of superhigh tenacity and excellent anti-high speed puncture impact property;
(6) there is good flame retardant resistance.
Above-mentioned polycarbonate compositions preparation method only need carry out each component to melt extrude after mixing treatment, its preparation method can make each component be uniformly dispersed and act synergistically, when realizing the above-mentioned excellent properties of polycarbonate compositions of the present invention, make its stable performance.In addition, its preparation method technique is simple, and condition is easily controlled, with low cost, and feature low for equipment requirements, is suitable for suitability for industrialized production.
Embodiment
In order to make the technical problem to be solved in the present invention, technical scheme and beneficial effect 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 polycarbonate compositions that the embodiment of the present invention provides a kind of superhigh tenacity halogen-free flameproof to strengthen.Said composition comprises following components by weight percent:
Particularly, above-mentioned polycarbonate is as matrix component, and in a preferred embodiment, this polycarbonate is selected conventional bisphenol-a polycarbonate, and its relative density is 1.20～1.22g/cm
3, vicat softening temperature is 145～155 ℃, melting index is 10～30g/min.This preferred polycarbonate can make final polycarbonate compositions target mechanical property better.In specific embodiment, the content of this polycarbonate can be the arbitrary weight part in 60～85 parts.
Above-mentioned packing material and glass fibre have the effect that reduces polycarbonate compositions warpage performance and improve its finish plate.In order to make polycarbonate compositions warpage performance and have high gloss, in a preferred embodiment, above-mentioned packing material is selected wherein one or more such as talcum powder, mica, glass microballon.
In specific embodiment, this talcous particle diameter is 2000～6000 orders.
In another specific embodiment, this mica is mica powder, and particle diameter is 1000～3000 orders.
In another specific embodiment, this glass microballon is solid or hollow, and particle diameter is 10～80 microns.
In further preferred embodiment, this talcous particle diameter is 2000～6000 orders, and mica is mica powder, and particle diameter is 1000～3000 orders, and glass microballon is solid or hollow, and particle diameter is 10～80 microns.
In one embodiment, the content of packing material can be the weight parts such as 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts.
In a preferred embodiment, above-mentioned glass fibre is selected E type alkali-free continuous glass fibre or chopped strand.
In specific embodiment, the diameter of this E type alkali-free continuous fibre is 9～17 microns, and linear density is 2000～2400tex.
In another specific embodiment, the diameter of this chopped strand is 9～17 microns, length 2～6mm.
In another specific embodiment, the diameter of this E type alkali-free continuous fibre is 9～17 microns, and linear density is 2000～2400tex, and the diameter of chopped strand is 9～17 microns, length 2～6mm.
In one embodiment, the content of glass fibre can be the weight parts such as 10 parts, 12 parts, 15 parts, 18 parts, 20 parts, 22 parts, 25 parts, 28 parts, 30 parts.
Above-mentioned fire retardant is preferably used the mixture, 2 of mixture, perfluoro butyl potassium sulfonate (PPFBS) and the cladded type tetrafluoroethylene of potassium phenylsulphonyl benzene sulfonate (KSS) and cladded type tetrafluoroethylene; 4; one or more in the mixture of 5-trichlorobenzene sodium sulfonate (STB) and cladded type tetrafluoroethylene; the F-570 of KSSRu U.S. Arichem; the FR-2025 of PPFBS Ru3M company, the STB-FR of STBRu U.S. Arichem.Cladded type tetrafluoroethylene is as DB105 of the SN3300 of Shangneng Polymer Tech Co., Ltd., Guangzhou, upper Haikang Rui Si Chemical Co., Ltd. etc.
In one embodiment, the content of fire retardant can be the weight parts such as 0.1 part, 0.2 part, 0.3 part, 0.4 part, 0.5 part, 0.6 part, 0.7 part, 0.8 part, 0.9 part, 1.0 parts.
Above-mentioned toughner and other components synergy, give polycarbonate compositions superhigh tenacity.In order to give the toughness of this polycarbonate compositions excellence, in a preferred embodiment, this high acid value polyolein fiber, wherein acid esters is 40～80KOHmg/g.This toughner utilizes catalysis technique activity in production, and it also can be used as brightening agent, releasing agent and dispersion agent etc., as the 1105A of Mitsui Chemicals.
In one embodiment, the content of fire retardant can be the weight parts such as 0.5 part, 0.8 part, 1 part, 1.2 parts, 1.5 parts, 1.8 parts, 2.0 parts, 2.3 parts, 2.5 parts, 2.8 parts, 3.0 parts.
Above-mentioned primary antioxidant is that chemical name is four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester (trade(brand)name IRGANOX1010) or N, one or both among N '-hexa-methylene two (3,5-di-t-butyl-4-hydroxybenzene propionic acid amide) (commodity are called IRGANOX1098).
In one embodiment, the content of primary antioxidant can be the weight part such as 0.1 part, 0.2 part, 0.3 part, 0.4 part, 0.5 part.
Above-mentioned auxiliary type oxidation inhibitor is that chemical name is three (2,4-di-tert-butyl-phenyl) one or both among phosphorous acid ester (trade(brand)name IRGANOX168) or two (2,4-di-t-butyl) pentaerythritol diphosphites (commodity are called IRGANOX168).
In one embodiment, the content of auxiliary type oxidation inhibitor can be the weight part such as 0.1 part, 0.2 part, 0.3 part, 0.4 part, 0.5 part.
Above-mentioned other auxiliary agents comprise the processing aids such as one or more of the additives such as purple lubricant, dispersion agent.Wherein, lubricant can be selected one or more among pentaerythritol stearate (PETS), ethylene bis stearamide (EBS) etc.; Dispersion agent can be selected 5# white mineral oil.
Above-mentioned polycarbonate compositions adopts strongthener, toughner and processing aid collaborative to polycarbonate modified, make polycarbonate compositions there is good stability, high, the anti-warpage of intensity and surface gloss good, there is excellent anti-high speed puncture impact, toughness.Contain simultaneously and there is good flame retardant properties.In addition, by the control to the kind of each component and consumption, can make polycarbonate compositions target capabilities reach best.
Correspondingly, the embodiment of the present invention also provides the preparation method of above-mentioned polycarbonate compositions.The method comprises the steps:
S01. according to above-mentioned polycarbonate compositions, take respectively each component;
S02. component step S01 being taken except fiberglass component is carried out mixing treatment, obtains mixture;
S03. the main spout of mixture step S02 being obtained adds, and fiberglass component adds and carries out mixed melting and extrude from side material mouth.
Particularly, the polycarbonate compositions in above-mentioned steps S01 with and each component preferred content and kind as described above, in order to save length, do not repeat them here.
Mixing treatment in above-mentioned steps S02 can be carried out according to conventional mixing method, as stirred etc., as long as each component is mixed.
In above-mentioned steps S03, mixture major ingredient mouth adds, and glass fibre adds and carries out extruding melting mixing from side material mouth.Melt extrude and can adopt screw machine to melt extrude, as dual-screw-stem machine.After each material is admitted in screw machine, each material by plasticizing, melting, during this period, is had an effect between each component under the effect of high pressure and high temperature.In a preferred embodiment, these processing condition that melt extrude are: described in the temperature that melt extrudes be 100 ± 10 ℃ → 250 ± 10 ℃ → 260 ± 5 ℃ → 260 ± 5 ℃ → 260 ± 5 ℃ → 280 ± 5 ℃ → 280 ± 5 ℃ → 260 ± 5 ℃ → 260 ± 5 ℃ → 260 ± 5 ℃ → 260 ± 5 ℃ → 265 ± 5 ℃.This melt extrudes processing and can adopt twin screw extruder to realize.By this, melt extrude the setting of temperature, what can make to disperse between each component is more even, the better effects if of synergy performance between each component, thereby give, to extrude the target capabilities of product polycarbonate compositions better.
Certainly, after melt extruding, can also comprise tie rod, cooling, pelletizing and particle is dried etc. to treatment step.
Above-mentioned polycarbonate compositions preparation method can make each component be uniformly dispersed and act synergistically, and when realizing the above-mentioned excellent properties of polycarbonate compositions of the present invention, makes its stable performance.In addition, its preparation method technique is simple, and condition is easily controlled, with low cost, and feature low for equipment requirements, is suitable for suitability for industrialized production.
Now take polycarbonate compositions component concentration and preparation method as example, the present invention is further elaborated.
Wherein, in following each embodiment, polycarbonate is selected conventional bisphenol-a polycarbonate, and its relative density is 1.20～1.22g/cm
3, vicat softening temperature is 145～155 ℃, the polycarbonate that melting index is 10～30g/min.
Glass fibre is selected E type alkali-free continuous glass fibre or chopped strand, and wherein the diameter of continuous fibre is 9～17 microns, and linear density is 2000～2400, as the 988A of megalith group, and the T635B of Mount Taishan glass etc.; The diameter of chopped strand is 9～17 microns, length 2～6mm, and as 510 of the 995-10C of OWENS CORNING, megalith group,
Fire retardant is selected the mixture, 2 of mixture, perfluoro butyl potassium sulfonate (PPFBS) and the cladded type tetrafluoroethylene of potassium phenylsulphonyl benzene sulfonate (KSS) and cladded type tetrafluoroethylene; 4; one or more in the mixture of 5-trichlorobenzene sodium sulfonate (STB) and cladded type tetrafluoroethylene; the F-570 of KSSRu U.S. Arichem; the FR-2025 of PPFBS Ru3M company, the STB-FR of STBRu U.S. Arichem.Cladded type tetrafluoroethylene is as the DB105 of the SN3300 of Shangneng Polymer Tech Co., Ltd., Guangzhou, upper Haikang Rui Si Chemical Co., Ltd..
In embodiment 1-6, toughner A selects the high acid value polyolein fiber that catalysis technique is produced, and wherein acid esters is 40～80KOHmg/g, and this toughner also can be used as brightening agent, releasing agent and dispersion agent etc., as the 1105A of Mitsui Chemicals.In comparative example, toughner B selects conventional MBS (MBS).
Primary antioxidant, auxiliary type oxidation inhibitor, other selection of auxiliary concrete kind mentioned above.
Embodiment 1-6:
A kind of polycarbonate compositions and preparation method thereof is provided.Each component that this polycarbonate compositions is contained and the content of each component table 1 that vide infra, its preparation method is as follows:
By PC, glass fibre, weighting material, fire retardant, toughner A, oxidation inhibitor, the formula rate that other auxiliary agents strengthen PC composition according to halogen-free flameproof mixes in blender, make after each component is fully uniformly dispersed, then drop in twin screw extruder, and glass fibre is in the stage casing of twin screw extruder, the mode with side feeding adds, through melt extruding granulation, extrusion temperature (100 ± 10)～(250 ± 10)～(260 ± 5)～(260 ± 5)～(260 ± 5)～(285 ± 5)～(285 ± 5)～(260 ± 5)～(260 ± 5)～(260 ± 5)～(260 ± 5)～(265 ± 5) ℃.
Comparative example 1,2:
A kind of polycarbonate compositions and preparation method thereof is provided.Each component that this polycarbonate compositions is contained and the content of each component table 1 that vide infra, its preparation method is with reference to the preparation method of polycarbonate compositions in embodiment 1-6.
Performance test:
By preparing polycarbonate compositions in above-described embodiment 1 to embodiment 6 and comparative example 1,2, carry out as the performance test in table 2 respectively.Correlated performance testing method is carried out according to GB or enterprise's mark.Correlated performance test result is as shown in below table 2.
Table 1
Table 2
From table 2 embodiment 1-6, can find out, the optimum formula of embodiment of the present invention polycarbonate compositions is defined as embodiment 3.
By embodiment 1～6, can be found out:
(1) addition of toughner A is larger, and material shock-resistant higher compared with comparative example 1, and shock-resistant is its 2～4 times.
(2) when glass and weighting material content are higher, intensity, the rigidity of material are higher, can decline to some extent, but still be 3 times of high left and right of comparative example 1 but impact; Aspect packing material, talcous shock-resistant aspect can be better than mica, but intensity aspect can be more slightly lower than mica.
(3) elongation at break of material is higher, is 2～3 times of common enhancing PC, illustrates that its ductility is very good.
(4) thermal distortion of material all remains on more than 120 ℃, and fire-retardantly all can reach UL94-1.6mmV0; Modulus in flexure is compared with common enhancing PC, and difference is little, illustrates that toughner A is increasing substantially the impact-resistant while of reinforced polycarbonate composition, and rigidity can not decline.
From comparative example 1,2, can find out:
(1) the toughner B that adds general category strengthens to halogen-free flameproof the effect that PC material can not show a candle to toughner A aspect shock-resistant, and larger on fire-retardant impact, is difficult to reach UL94-1.6mmV0.
(2) comparative example 2 is compared with embodiment 3, and the halogen-free flameproof that does not add weighting material strengthens PC composition and adds comparing of weighting material, impacts and can decline on the contrary, and down ratio reaches 25%, and other performances change less.
From embodiment 1～6 and comparative example 1 and 2, can find out, when glass fiber content is lower and toughner A content is higher, product surface without floating fine, illustrates that toughner A content is higher substantially, and surface gloss is better; And when glass fiber content is higher or toughner A content is constantly lower, there is less floating fibre on product surface; Compare with the composition that does not add weighting material, but add the higher floating fibre of weighting material glass fiber content, have less floating fibre, illustrate that to have added weighting material helpful to less floating fibre.
In sum, when PC content 60～85%, packing material is 3～5% massfractions, glass fiber content at 10～30% massfractions, toughner A content 0.5～3% time, halogen-free flameproof strengthens the excellent combination property of PC composition, be applicable to making product or the parts that flame retardant resistance, high rigidity, the requirement of resistance to super high impact and resistance to warpage are had relatively high expectations, product size good stability after moulding, high, the anti-warpage of intensity and surface gloss are good, are conducive to assembling and post-treatment.
In addition, embodiment of the present invention polycarbonate compositions preparation method flow process is simple, processing condition are reasonable, select suitable PC, glass fibre, weighting material and fire retardant thereof, toughner, oxidation inhibitor and other auxiliary agent etc., in certainweight ratio melt blending preparation in suitable expressing technique, can prepare composition material, and price is suitable, there is market application foreground widely.
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. a polycarbonate compositions, comprises the component of following weight part:
2. polycarbonate compositions according to claim 1, is characterized in that: described glass fibre is E type alkali-free continuous glass fibre or chopped strand.
3. polycarbonate compositions according to claim 2, is characterized in that: the diameter of described E type alkali-free continuous fibre is 9～17 microns, and linear density is 2000～2400tex; And/or
The diameter of chopped strand is 9～17 microns, length 2～6mm.
4. polycarbonate compositions according to claim 1, is characterized in that: described toughner is that acid esters is the high acid value polyolein fiber that 40～80KOHmg/g is.
5. polycarbonate compositions according to claim 1, is characterized in that: described packing material is wherein one or more such as talcum powder, mica, glass microballon.
6. polycarbonate compositions according to claim 5, is characterized in that: described talcous particle diameter is 2000～6000 orders; And/or
Described mica is mica powder, and particle diameter is 1000～3000 orders; And/or
Described glass microballon is solid or hollow, and particle diameter is 10～80 microns.
7. according to the arbitrary described polycarbonate compositions of claim 1-6, it is characterized in that: described polycarbonate is bisphenol-a polycarbonate, its relative density is 1.20～1.22g/cm
3, vicat softening temperature is 145～155 ℃, melting index is 10～30g/min.
8. according to the arbitrary described polycarbonate compositions of claim 1-6, it is characterized in that: described fire retardant is the mixture, 2 of mixture, perfluoro butyl potassium sulfonate and the cladded type tetrafluoroethylene of potassium phenylsulphonyl benzene sulfonate and cladded type tetrafluoroethylene, one or more in the mixture of 4,5-trichlorobenzene sodium sulfonate and cladded type tetrafluoroethylene; And/or
Described primary antioxidant is four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, N, one or both among N '-hexa-methylene two (3,5-di-t-butyl-4-hydroxybenzene propionic acid amide); And/or
Described auxiliary type oxidation inhibitor is one or both among three (2,4-di-tert-butyl-phenyl) phosphorous acid ester, two (2,4-di-t-butyl) pentaerythritol diphosphites.
9. a preparation method for polycarbonate compositions, comprises the following steps:
According to the polycarbonate compositions described in claim 1～8 any one, take respectively each component;
The component taking except fiberglass component is carried out to mixing treatment, obtain mixture;
The main spout of described mixture is added, and fiberglass component adds and carries out mixed melting and extrude processing from side material mouth.
10. the preparation method of polycarbonate compositions according to claim 9, is characterized in that: described in 100 ± 10 ℃ → 250 ± 10 ℃ → 260 ± 5 ℃ → 260 ± 5 ℃ → 260 ± 5 ℃ → 285 ± 5 ℃ → 285 ± 5 ℃ → 260 ± 5 ℃ → 260 ± 5 ℃ → 260 ± 5 ℃ → 260 ± 5 ℃ → 265 ± 5 ℃ of the temperature that melt extrude.
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| CN201410256501.6A CN104031374B (en) | 2014-06-10 | 2014-06-10 | Polycarbonate compositions and preparation method thereof |
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| CN201410256501.6A CN104031374B (en) | 2014-06-10 | 2014-06-10 | Polycarbonate compositions and preparation method thereof |
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| CN104031374A true CN104031374A (en) | 2014-09-10 |
| CN104031374B CN104031374B (en) | 2016-02-24 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105924927A (en) * | 2016-07-06 | 2016-09-07 | 苏州亚科塑胶有限公司 | Preparation method of flame-retardant toughened plastic material |
| CN107880510A (en) * | 2017-10-24 | 2018-04-06 | 江苏理工学院 | A kind of activeness and quietness halogen-free and flame-retardant polycarbonate material and preparation method thereof |
| CN111592746A (en) * | 2020-05-06 | 2020-08-28 | 宁波浙铁大风化工有限公司 | Ceramic white filled laser-engravable polycarbonate compound and preparation method thereof |
| CN113583419A (en) * | 2021-07-02 | 2021-11-02 | 广州搜料信息技术有限公司 | Modified polycarbonate PC with enhanced flame retardant property and preparation process thereof |
| CN113698752A (en) * | 2021-09-09 | 2021-11-26 | 万华化学（宁波）有限公司 | Polycarbonate composite material and preparation method thereof |
| CN114031916A (en) * | 2021-11-08 | 2022-02-11 | 金发科技股份有限公司 | Thin-wall flame-retardant low-shrinkage polycarbonate material and preparation method and application thereof |
| CN115746535A (en) * | 2022-12-08 | 2023-03-07 | 无锡赢同新材料科技有限公司 | High-modulus high-toughness thin-wall flame-retardant polycarbonate composite material and preparation method thereof |
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| CN103059543A (en) * | 2013-01-23 | 2013-04-24 | 上海瀚氏模具成型有限公司 | Anti-impact modified polycarbonate plastics for automotive interior parts and preparation method thereof |
| CN103709702A (en) * | 2013-12-11 | 2014-04-09 | 深圳市沃特新材料股份有限公司 | PC/PBT alloy material and preparation method thereof |
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| CN103059543A (en) * | 2013-01-23 | 2013-04-24 | 上海瀚氏模具成型有限公司 | Anti-impact modified polycarbonate plastics for automotive interior parts and preparation method thereof |
| CN103709702A (en) * | 2013-12-11 | 2014-04-09 | 深圳市沃特新材料股份有限公司 | PC/PBT alloy material and preparation method thereof |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105924927A (en) * | 2016-07-06 | 2016-09-07 | 苏州亚科塑胶有限公司 | Preparation method of flame-retardant toughened plastic material |
| CN107880510A (en) * | 2017-10-24 | 2018-04-06 | 江苏理工学院 | A kind of activeness and quietness halogen-free and flame-retardant polycarbonate material and preparation method thereof |
| CN111592746A (en) * | 2020-05-06 | 2020-08-28 | 宁波浙铁大风化工有限公司 | Ceramic white filled laser-engravable polycarbonate compound and preparation method thereof |
| CN113583419A (en) * | 2021-07-02 | 2021-11-02 | 广州搜料信息技术有限公司 | Modified polycarbonate PC with enhanced flame retardant property and preparation process thereof |
| CN113698752A (en) * | 2021-09-09 | 2021-11-26 | 万华化学（宁波）有限公司 | Polycarbonate composite material and preparation method thereof |
| CN114031916A (en) * | 2021-11-08 | 2022-02-11 | 金发科技股份有限公司 | Thin-wall flame-retardant low-shrinkage polycarbonate material and preparation method and application thereof |
| CN115746535A (en) * | 2022-12-08 | 2023-03-07 | 无锡赢同新材料科技有限公司 | High-modulus high-toughness thin-wall flame-retardant polycarbonate composite material and preparation method thereof |
| CN115746535B (en) * | 2022-12-08 | 2024-04-12 | 无锡赢同新材料科技有限公司 | High-modulus high-toughness thin-wall flame-retardant polycarbonate composite material and preparation method thereof |
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