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 embodiment of the present invention is achieved in that a kind of polyphenylene oxide resin alloy material for processing spinning yarn cylinder, comprises the recipe ingredient of following parts by weight:
Polyphenylene oxide resin 60-90 part;
Polystyrene resin 10-40 part;
Polyolefine 0.5-3 part;
Elastomerics 1-8 part;
Lubricant 0.05-0.30 part;
Functional agglomerate 1-3 part;
Oxidation inhibitor 0.10-0.50 part.
Particularly, above-mentioned polyphenylene oxide resin component is as the matrix component of embodiment of the present invention polyphenylene oxide resin alloy material, and it has the over-all properties of a lot of excellences, such as good mechanical property, thermal stability; In addition, its mechanical property, water resistance, anti-steam performance, hydrolysis, acid-alkali-corrosive-resisting, dimensional stability etc. are all better, are applied to widely the fields such as electronic apparatus, automobile component, water treating equipment, chemical industry.In order to make this polyphenylene oxide resin alloy material have more excellent mechanical property, in a preferred embodiment, described polyphenylene oxide resin is 2,6-dimethyl benzene phenol polymer, 2,6-xylenol and 2, at least a in the multipolymer of 3,6-pseudocuminol, its limiting viscosity is 0.2-0.6dl/g.This polyphenylene oxide resin content can be the concrete components such as 60 parts, 65 parts, 70 parts, 75 parts, 80 parts, 90 parts.As specific embodiment, described polyphenylene oxide resin is the polyphenylene oxide resin that engineering plastics company limited of Mitsubishi produces.
Above-mentioned polystyrene resin is one of polyphenylene oxide resin alloy material matrix component, and its glass transition temp is higher, and more than 100 ℃, so the resistance toheat of polystyrene resin is better.And else melt mutually state because polystyrene resin and polyphenylene oxide resin can reach molecular level, the polyphenylene oxide resin alloy that therefore contains polystyrene resin has flowing property preferably.In a preferred embodiment, described polystyrene resin is at least a in polystyrene, high-impact polystyrene.This polystyrene resin content can be the concrete components such as 10 parts, 15 parts, 20 parts, 25 parts, 30 parts, 33 parts, 37 parts, 40 parts.As specific embodiment, described polystyrene resin is the polystyrene resin that Qimei Industry Co., Ltd. produces.
Above-mentioned polyphenylene oxide resin and polystyrene resin are as the matrix component of polyphenylene oxide resin alloy material, and in melt extruding process, the components such as its molecule and other components such as functional master batch act synergistically, thereby realize its distinctive performance.Above-mentioned preferred polyphenylene oxide resin and polystyrene resin can be given embodiment of the present invention polyphenylene oxide resin alloy material excellent properties more, as good in not staining, resistance toheat etc.
Said polyolefins has the characteristics such as little, nontoxic, the easy processing of proportion, resistance to impact shock, warp resistance, low price, therefore, in order to improve the toughness of polyphenylene oxide resin alloy, reduce the cost of polyphenylene oxide resin alloy, add polyolefin component in the embodiment of the present invention.As preferred embodiment, described polyolefine is at least a in polyethylene, polypropylene, ethylene propylene copolymer, polybutene, ethylene-butylene copolymer, ethene-unsaturated ester multipolymer.In the embodiment of the present invention, polyolefinic effect is to improve toughness and reduces costs simultaneously, staining, the surperficial small molecules of polyphenylene ether resin alloy material easily is clamminess, the improvement of layering decortication phenomenon there is no impact, therefore, the embodiment of the present invention can be selected polyolefinic addition according to actual needs.This polyolefine content can be the concrete components such as 0.5 part, 1.0 parts, 1.2 parts, 1.5 parts, 1.8 parts, 2.0 parts, 2.2 parts, 2.5 parts, 2.8 parts, 3.0 parts.As specific embodiment, described polyolefine is the polyolefine that Shanghai Petrochemial Co Ltd, China Petrochemical Corp produces.
, in order to improve the fragility of polyphenylene oxide resin alloy, make the polyphenylene oxide resin alloy material good toughness that is used for processing spinning yarn cylinder that obtains, durable in use, be added with 1-8 part elastomerics in the described polyphenylene oxide resin alloy material of the embodiment of the present invention.This elastomer content can be the concrete components such as 1.0 parts, 1.5 parts, 2.0 parts, 2.5 parts, 3.0 parts, 3.5 parts, 4.0 parts, 4.5 parts, 5.0 parts, 5.5 parts, 6.0 parts, 6.5 parts, 7.0 parts, 7.5 parts, 8.0 parts.Described elastomerics is styrene-butadiene rubber(SBR), HSBR, ethylene propylene rubber, terpolymer EP rubber, polyacrylic rubber, Toughening Effect of Ethylene Copolymer Elastomer, polyisoprene elastomerics, 1, at least a in the 2-polybutadiene elastomer.Of course it is to be understood that in this area that other elastomericss are also in protection scope of the present invention.As specific embodiment, described elastomerics is the elastomerics that the Ba Ling of asset management company limited petrochemical industry branch office of SINOPEC produces.
Usually have higher viscosity after melting due to superpolymer, in the course of processing, between the superpolymer of melting with and and the processor surface between easily produce friction, the former is called internal friction, the latter is called external friction.Internal friction will increase the melt-flow viscosity of polymkeric substance, reduce its mobility, can cause the overheated, aging of material when serious; External friction makes between polymer melt and processing units and other contact material surfaces and adheres to, and with temperature, raises, and frictional coefficient enlarges markedly.When goods were deviate from from mould after, it is coarse that product surface becomes, and lacks gloss or flow liner occurs.Therefore in order to reduce this two classes friction, improve oilness, reduce friction, reduce the Interface Adhesion performance, thereby make simultaneously the polyphenylene oxide alloy smooth surface avoid spool staining, the described polyphenylene oxide resin alloy material for processing spinning yarn cylinder of the embodiment of the present invention adds lubricant.As preferred embodiment, described lubricant is at least a in calcium stearate, Zinic stearas, stearic acid, butyl stearate, oleylamide, ethylene bis stearamide.Of course it is to be understood that in this area that other lubricants are also in protection scope of the present invention.This lubricant content can be the concrete component such as 0.05 part, 0.1 part, 0.15 part, 0.20 part, 0.25 part, 0.30 part.As specific embodiment, described lubricant is the lubricant that the former chemical industry of Suzhouization company limited produces.
The described polyphenylene oxide resin alloy material for processing spinning yarn cylinder of the embodiment of the present invention, functional agglomerate is the larger component of a kind of polyphenylene ether resin alloy material property impact, add functional agglomerate in the polyphenylene oxide resin alloy material, can prevent that at high temperature the yarn cylinder that causes to the polyphenylene oxide alloy surface due to small molecules or oligomer migration surface is softening or rough defect occur, the polyphenylene oxide resin alloy material life-time service surface of therefore, having added functional agglomerate is difficult for being clamminess; Mutually better be fused into one because the functional agglomerate component in the polyphenylene oxide resin alloy material can make in polyphenylene oxide alloy between organism and inorganics, between polymkeric substance and polymkeric substance, thereby can avoid yarn cylinder surface to produce layering decortication phenomenon.Take described functional master batch gross weight as 100%, described functional master batch comprises following recipe ingredient:
At least a 65-85% in polyphenylene oxide resin, polystyrene, polyolefine or described elastomerics;
At least a 10-35% in organic inorganic hybridization mesoporous material, nano imvite, superfine talcum powder;
At least a 1-5% in maleic anhydride, citric acid;
As preferred embodiment, the above-mentioned functions master batch can be prepared as follows:
Described functional agglomerate is at least a as base material take in polyphenylene oxide resin, polystyrene, polyolefine or described elastomerics, is written at least a in organic inorganic hybridization mesoporous material, nano imvite, superfine talcum powder; Be written into simultaneously at least a common formation in maleic anhydride, citric acid; Its preparation technology is as follows: utilizing twin screw, is to melt extrude under the condition of 260-300 ℃ in temperature.
Particularly, in the preparation technology of above-mentioned functions masterbatch, the screw speed of twin screw is 260-300RPM, vacuum tightness 0.5-0.8MPa.
This functional master batch content can be the concrete components such as 1 part, 1.3 parts, 1.5 parts, 1.8 parts, 2.0 parts, 2.2 parts, 2.5 parts, 2.8 parts, 3.0 parts.
In order to prevent described polyphenylene oxide resin alloy material generation oxidation, improve the antioxidant property of above-described embodiment polyphenylene oxide resin alloy material, extend its work-ing life, the embodiment of the present invention has been added oxidation inhibitor in the polyphenylene oxide resin alloy material.In a preferred embodiment, this oxidation inhibitor comprises primary antioxidant and auxiliary antioxidant; Wherein primary antioxidant is at least a in 3,5-di-tert-butyl-hydroxy phenyl propionic acid stearyl alcohol ester, β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid stearyl alcohol ester, 2,2 methylene-biss (4-methyl-6-tert-butylphenol); Described auxiliary antioxidant is at least a in three (Isosorbide-5-Nitrae-di-tert-butyl-phenyl) phosphorous acid, two (2,4-di-tert-butyl-phenyl) pentaerythritol diphosphate, two (octadecyl) pentaerythritol diphosphate.This antioxidant content can be the concrete component such as 0.1 part, 0.15 part, 0.2 part, 0.25 part, 0.3 part, 0.35 part, 0.4 part, 0.45 part, 0.5 part.As specific embodiment, described oxidation inhibitor is the oxidation inhibitor that Shanghai Jinhaiyabao Precision Chemical Co., Ltd. produces.
The polyphenylene oxide resin alloy material that is used for processing spinning yarn cylinder that the embodiment of the present invention provides,, owing to having added lubricant, make the polyphenylene oxide alloy smooth surface, and therefore, spool can staining; Secondly, add functional agglomerate in the polyphenylene oxide resin alloy material, can prevent that at high temperature the yarn cylinder that causes to the polyphenylene oxide alloy surface due to small molecules or oligomer migration surface is softening or rough defect occur, the polyphenylene oxide resin alloy material life-time service surface of therefore, having added functional agglomerate is difficult for being clamminess; Again, mutually better be fused into one because the functional agglomerate component in the polyphenylene oxide resin alloy material can make in polyphenylene oxide alloy between organism and inorganics, between polymkeric substance and polymkeric substance, thereby can avoid yarn cylinder surface to produce layering decortication phenomenon; In addition, the polyphenylene oxide resin alloy material durability performance for processing spinning yarn cylinder provided by the invention is good, is difficult for producing distortion.
The polyphenylene oxide resin alloy material that is used for processing spinning yarn cylinder that the embodiment of the present invention provides can be prepared by following method.
The embodiment of the present invention also provides a kind of preparation method of the polyphenylene oxide resin alloy material for processing spinning yarn cylinder, comprises the following steps:
S01. take recipe ingredient: according to above-mentioned polyphenylene oxide resin alloy material formula, take respectively each component;
S02. prepare mixture: the polyphenylene oxide resin that takes in step S01 is divided into two parts, a polyphenylene oxide resin is wherein mixed with all the other components except polystyrene resin, form mixture;
S03. melt extruding of material: after respectively the polyphenylene oxide resin of another part, polystyrene resin and described mixture being added from different weightless feeder mouths, melt extrude.
Particularly, in above-mentioned steps S01, each component preferred content in the formula of polyphenylene oxide resin alloy material and formula and kind as described above,, in order to save length, do not repeat them here.
In above-mentioned steps S02, each component except a part of polyphenylene oxide resin, polystyrene resin is carried out the time of mixing treatment and can be adjusted flexibly according to actual production conditions, as long as each component premix fully.Wherein, polyphenylene oxide resin is divided into two parts, is respectively first part and second part, first part of weight ratio with second part can be 50:18-30.In this step S02, the polyphenylene oxide resin of second part carries out combination treatment with all the other components except polystyrene resin, forms mixture.
In above-mentioned steps S03, first part of polyphenylene oxide resin, polystyrene resin, said mixture material are added from different weightless feeder mouths respectively, the interpolation order of each component is unrestricted.In the embodiment of the present invention, because polyphenylene oxide resin is powdery, and its charging capacity is larger, when when same feeder mouth adds all components of polyphenylene oxide resin alloy, may cause that blanking is inhomogeneous, the forcing machine fluctuation of current is large, thereby cause the polyphenylene oxide resin of producing alloy unstable properties or inhomogenous problem to occur.Therefore,, in order preventing the above-described problem from occurring, in the embodiment of the present invention, first part of polyphenylene oxide resin to be added from the first weightless charging opening, polystyrene resin to be added from the second weightless feeder mouth, mixture is added from the 3rd weightless feeder mouth.
In this step S03, above-mentioned blend melt extrude the technique that can adopt this area routine.As preferred embodiment, melt extruding of said components can adopt twin screw extruder to extrude.Control by to extrusion temperature, screw speed, vacuum tightness etc., make between each component the stable melt of rear formation of fully having an effect, and obtains the polyphenylene oxide alloy material.In excellent embodiment, utilize twin-screw extrusion, the screw slenderness ratio of this twin screw is 40:1, the temperature that melt extrudes is 260-300 ℃, engine speed 260-300RPM, vacuum tightness 0.5-0.8MPa
Certainly, the material after step S03 melt extrudes can also comprise the steps such as tie rod, cooling, granulation, drying treatment.Can also adjust according to practical application the profile of polyphenylene oxide alloy material, as granular, strip or block etc.As preferred embodiment, described drying temperature is 100-120 ℃, and be 2-4h time of drying, and after drying mode is preferably the gas blower drying, baking oven toasts, but is not subject to this.
The preparation method of a kind of polyphenylene oxide resin alloy material for processing spinning yarn cylinder provided by the invention, the method melt extrudes after component is separated feeding, makes the recipe ingredient of polyphenylene oxide resin alloy material mix, stable performance.Melt extrude simultaneously technical maturity, easily control, production efficiency is high, and product yield is high, can carry out industrialization production, can be used for preparing above-mentioned polyphenylene oxide resin alloy material for processing spinning yarn cylinder.
Above-mentioned preparation method can be used for preparing above-mentioned polyphenylene oxide resin alloy material for processing spinning yarn cylinder, also can be used for other and has the polyphenylene oxide resin alloy material of above-mentioned recipe ingredient.
Further illustrate below in conjunction with specific embodiment.
Embodiment 1
50 parts of polyphenylene oxide resins are added from the first weightless charging opening, 14 parts of polystyrene resins add from the second weightless feeder mouth, 30 parts of polyphenylene oxide resins, 1.5 parts of polyolefine, the elastomerics of 2 parts, 0.3 part of lubricant, 2 parts of functional agglomerates, 0.2 part of oxidation inhibitor add from the 3rd weightless feeder mouth after mixed through too high, then through twin screw extruder plasticizing, melting, extrude, tie rod, cooling, pelletizing.Pellet is at 120 ℃ of dry 2-4h of gas blower drying oven, and then injection moulding prepares test bars and goods.
Embodiment 2
50 parts of polyphenylene oxide resins are added from the first weightless charging opening, 17 parts of polystyrene resins add from the second weightless feeder mouth, 27 parts of polyphenylene oxide resins, 1.5 parts of polyolefine, the elastomerics of 2 parts, 0.3 part of lubricant, 2 parts of functional agglomerates, 0.2 part of oxidation inhibitor add from the 3rd weightless feeder mouth after mixed through too high, then through twin screw extruder plasticizing, melting, extrude, tie rod, cooling, pelletizing.Pellet is at 120 ℃ of dry 2-4h of gas blower drying oven, and then injection moulding prepares test bars and goods.
Embodiment 3
50 parts of polyphenylene oxide resins are added from the first weightless charging opening, 23 parts of polystyrene resins add from the second weightless feeder mouth, 21 parts of polyphenylene oxide resins, 1.5 parts of polyolefine, the elastomerics of 2 parts, 0.3 part of lubricant, 2 parts of functional agglomerates, 0.2 part of oxidation inhibitor add from the 3rd weightless feeder mouth after mixed through too high, then through twin screw extruder plasticizing, melting, extrude, tie rod, cooling, pelletizing.Pellet is at 120 ℃ of dry 2-4h of gas blower drying oven, and then injection moulding prepares test bars and goods.
Embodiment 4
50 parts of polyphenylene oxide resins are added from the first weightless charging opening, 26 parts of polystyrene resins add from the second weightless feeder mouth, 18 parts of polyphenylene oxide resins, 1.5 parts of polyolefine, the elastomerics of 2 parts, 0.3 part of lubricant, 2 parts of functional agglomerates, 0.2 part of oxidation inhibitor add from the 3rd weightless feeder mouth after mixed through too high, then through twin screw extruder plasticizing, melting, extrude, tie rod, cooling, pelletizing.Pellet is at 120 ℃ of dry 2-4h of gas blower drying oven, and then injection moulding prepares test bars and goods.The performance of composition in test and Evaluation operation example and Comparative Examples by the following method.
Comparative Examples 1
50 parts of polyphenylene oxide resins are added from the first weightless charging opening, 20 parts of polystyrene resins add from the second weightless feeder mouth, 26 parts of polyphenylene oxide resins, 1.5 parts of polyolefine, the elastomerics of 2 parts, 0.2 part of oxidation inhibitor add from the 3rd weightless feeder mouth after mixed through too high, then through twin screw extruder plasticizing, melting, extrude, tie rod, cooling, pelletizing.Pellet is at 120 ℃ of dry 2-4h of gas blower drying oven, and then injection moulding prepares test bars and goods.
Performance test
The polyphenylene oxide resin alloy material that above-mentioned Comparative Examples and embodiment 1-4 are prepared carries out performance test, and the correlated performance testing method is as follows:
(1) tensile strength: tensile strength is pressed ASTM D-638 test;
(2) modulus in flexure: modulus in flexure is pressed ASTM D-790 test;
(3) Izod notch shock: the Izod notch shock is pressed ASTM D-256 test;
(4) heat-drawn wire: heat-drawn wire is pressed ASTM D-648 standard;
(5) product staining experiment: product staining experiment is with the spool of injection moulding, and recirculation is used 1000 times, and whether observe product surface has dyestuff to attach on surface;
(6) the product Phenomena Observation that is clamminess: product is clamminess Phenomena Observation for the spool of injection moulding, reuses 1000 times, observes yarn cylinder surface, and whether the hollow phenomenon is arranged, and after particularly just from production line, having taken out, whether surface has the phenomenon of touching with one's hand of being clamminess to produce;
(7) the product surface phenomenon of casting off a skin: product surface is casted off a skin phenomenon for the spool of injection moulding, reuses 1000 times, observes yarn cylinder surface, and whether the layering phenomenon of casting off a skin is arranged.
Each component composition of the polyphenylene oxide resin alloy material of embodiment 1-4 and Comparative Examples 1 is shown in Table 1, and each test result is shown in Table 2:
Table 1
Table 2
As seen from the above table, the polyphenylene oxide resin alloy material of embodiment of the present invention preparation, its tensile strength, flexural strength, modulus in flexure, 23 ℃ of socle girder notch shocks are strong, heat-drawn wire has all reached existing matrix material standard for processing spinning yarn cylinder, but the phenomenon such as its staining, product surface of effectively having solved existing matrix material for processing spinning yarn cylinder are clamminess, product is casted off a skin.
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.