CN100355835C - High-molecular polymer alloy and its preparation method - Google Patents
High-molecular polymer alloy and its preparation method Download PDFInfo
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- CN100355835C CN100355835C CNB2005100131704A CN200510013170A CN100355835C CN 100355835 C CN100355835 C CN 100355835C CN B2005100131704 A CNB2005100131704 A CN B2005100131704A CN 200510013170 A CN200510013170 A CN 200510013170A CN 100355835 C CN100355835 C CN 100355835C
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Abstract
The present invention discloses a high molecular polymer alloy which comprises 1 to 30 parts by weight of a thermoplastic high molecular polymer A and 0.3 to 10 parts by weight of a thermoplastic high molecular polymer B, wherein the high molecular polymer A and the high molecular polymer B are made of plastics or rubber. The present invention also discloses a combination transilient method for preparing the high molecular polymer alloy without containing compatilizer, which comprises the following steps: the polymer A and the polymer B are respectively dissolved into a true solution; the two true solutions are synthesized in a combination kettle to be a true solution; the true solution is preheated to perform the primary equilibrium distillation to remove partial solvent, the true solution is preheated again to perform the secondary equilibrium distillation to remove partial solvent, and then the true solution is extruded by a micro flash evaporation extruding machine to obtain the high molecular polymer alloy. Because the compatilizer is not used, the manufacturing cost is greatly reduced. The present invention particularly provides a new path for manufacturing a material without containing compatilizer, and has the advantages of high alloy purity, uniform particle size distribution, good alloy quality and high device universality.
Description
Technical field
The present invention relates to a kind of Alloy And Preparation Method, in particular, relate to a kind of high-molecular polymer alloy, adopt and close method and special-purpose little flash distillation forcing machine that the cataclysm legal system is equipped with high-molecular polymer alloy.
Background technology
High-molecular polymer alloy is the polymer multicomponent system that utilizes two or more inconsistent macromolecular material preparations.At present, the method for existing preparation high-molecular polymer alloy has two kinds, and a kind of is chemical process, can be considered the method for microcosmic, as precipitation polymerization method, segment copolymerization method etc.The former makees solvent with monomer, and dispersion agent is dissolved in repolymerization behind the monomer.Because polymeric control is restricted, again because in polymerization process, dispersant particle is excessive and inhomogeneous, the quality of impact polymer.Segment copolymerization method is owing to the composition of block thing and the restriction of condition, and the idea during design and the product of generation are often inconsistent, even failure, needs constantly to select the composition and the condition of block thing, effort when synthesizing.Therefore, investment is big, the cost height.Another kind is the physical method by compatilizer, can be considered macro approach, and this method under the effect of compatilizer, after mediating repeatedly, is extruded two or more superpolymer again through twin screw extruder.Owing to only depend on the effect of twin screw extruder and compatilizer, multiple high molecular polymer mixes inhomogeneous, and particle is excessive, influences the quality of product.And, in preparation process, must add compatilizer, the effect of compatilizer is to utilize it with inconsistent two molecule blending, compatilizer is present in the high-molecular polymer alloy, and is not allow compatilizer to exist to the polyblend of some particular requirement, as the PS/PC alloy of optical disk materials etc., therefore, use this method just can't produce.And every kind of alloy needs corresponding compatilizer, so the screening of compatilizer, becomes key, and various in style owing to compatilizer again, the price height makes the corresponding raising of cost of alloy.
Summary of the invention
The objective of the invention is to, a kind of compatilizer that do not use is provided, in nanometer or under near the nanometer state, one or more high molecular polymers are entered in the another kind of inconsistent high molecular polymer, and the preparation method of the high-molecular polymer alloy that forms and special-purpose little flash distillation forcing machine.
The technical solution adopted for the present invention to solve the technical problems is:
A kind ofly do not contain compatilizer and close the method that cataclysm prepares high-molecular polymer alloy, comprise the steps:
(1) takes by weighing high molecular polymer A 1-30, high molecular polymer B 0.3-10, high molecular polymer C 0.5-3, solvent 30-97 by weight; Described high molecular polymer A is the thermoplastic polyester as the external phase of matrix, and described high molecular polymer B is the thermoplastic polyester as disperse phase, and described high molecular polymer C is the thermoplastic polyester as disperse phase;
(2) high molecular polymer A and solvent, high molecular polymer B or high molecular polymer B and C and solvent are put into dissolution kettle respectively, fully stir at-15 ℃-180 ℃ and make the true solution of its true solution of being dissolved into high molecular polymer A, high molecular polymer B or the true solution of high molecular polymer B and C;
(3) true solution of above-mentioned high molecular polymer A, the true solution of high molecular polymer B or the true solution of high molecular polymer B and C are delivered to respectively and closed in the still, fully stir at 40-180 ℃, high molecular polymer B or high molecular polymer B and C are distributed among the high molecular polymer A, become true solution;
(4) above-mentioned true solution preheating is placed on carries out the equilibrium distillation first time in the equilibrium distillation device, deviate from partial solvent, making strength of solution is 20-30%, and the temperature of equilibrium distillation is 30-200 ℃ for the first time, and pressure is 1000-50000Pa;
(5) solution behind the general's equilibrium distillation first time is delivered to after preheating in the equilibrium distillation device, carries out the equilibrium distillation second time, deviates from partial solvent, and forming concentration is the strong solution of the high molecular polymer of 40-70%; The temperature of equilibrium distillation is 40-200 ℃ for the second time, and pressure is 1000-75000Pa;
(6) after being extruded by little flash distillation forcing machine, above-mentioned high molecular polymer strong solution obtains high-molecular polymer alloy.
Described high molecular polymer A is plastics or rubber, and described high molecular polymer B is plastics or rubber, and described high molecular polymer C is plastics or rubber.
Described solvent is cycloalcohol kind solvent or cyclic ketone kind solvent or aromatic hydrocarbon solvent or halogenated hydrocarbon solvent or amide solvent.
The concentration of high molecular polymer A is generally 3-70%, and the concentration of high molecular polymer B or high molecular polymer B and C is 1-70%.
For the first time and for the second time the solvent that produces of the solvent deviate from of equilibrium distillation and little flash distillation forcing machine is delivered to solvent recovery unit through condenser respectively and is reclaimed, and the solvent after the recovery uses as raw material, and perhaps part enters the refining back of regenerator column and uses as raw material.
The inlet temperature of twin screw extruder is 100-200 ℃, and the interlude temperature is 150-205 ℃, and the temperature of outlet section is 160-210 ℃, and the vacuum tightness of little flash separator is 3000-7000Pa, and the temperature of temperature and twin screw extruder interlude is close.
Preparation method of the present invention is with the dissolving of stable single solvent or mixed solvent with two or more thermoplastic polyester, by and close, one or more high molecular polymers are distributed in the external phase high molecular polymer as matrix as disperse phase, become homogeneous phase, generate the polymer true solution.And then, make one or several polymer unsettled being separated be taken place in another or several polymer with nanometer scale through one or more equilibrium distillation processes, generate the polymer strong solution, thereby generate new macromolecular material.Further deviate from residual solvent with little flash distillation forcing machine, make solvent strength in the high-molecular polymer alloy, obtain high-molecular polymer alloy less than 400PPM with gas-liquid-solid separation function.
Because the physical and mechanical properties additivity of high molecular polymer for synthetic high-molecular polymer alloy with multifrequency nature, can use multiple thermoplastic polyester to make alloy as required.As making the shock resistance polyblend as required, the conductive plastics alloy, the antistatic plastic alloy, heat resistant plastice alloy, flame retardant plastics alloy, the barrier properties polyblend, slip, wear resistance polyblend, ion exchangeable polyblend, low thermal stress polyblend, the low-birefringence polyblend, nanometer micropore polyblend etc.
In the alloy of being made up of multiple high molecular polymer, the high molecular polymer part with toughening effect plays elastomeric effect simultaneously in alloy, promptly be used to improve impact resistance.
Because existing twin screw extruder has only a production well, can not adapt to the needs of production, the present invention also uses the special twin screw extruder with little flash separator.
A kind of little flash distillation forcing machine comprises the twin screw extruder main body, and twin screw extruder main body spacer is provided with production well, and each production well is connected with the opening for feed of tensimeter and little flash separator respectively; Described little flash separator is made up of housing and gas withdrawer, and described housing is made up of right cylinder that fuses and cone, is provided with the liquids recovery mouth in the lower end of described cone, is provided with toothed gear pump in the described liquids recovery mouth; Be provided with opening for feed in the right cylinder side along cylindrical tangential direction; The gas of described gas recovery device steams and mouthful is connected with condenser, and solution recovery mouth is connected with liquid inlet opening on the forcing machine.
The right cylinder of described little flash separator is 4: 1 with the diameter ratio of gas recovery device, the gas recovery device enters cylindrical part and accounts for 4/5ths of gas recovery device height, the cylindrical diameter of little flash separator and the aspect ratio of little flash separator are 1: 5, and the fineness ratio of twin screw extruder is 1: 55-75.
High-molecular polymer alloy of the present invention and preparation method thereof has following advantage:
1. owing to do not use compatilizer, do not have compatilizer in the alloy of making, manufacturing cost reduces greatly.Be in particular the material that make to require not contain compatilizer new approach is provided.The purity height of alloy, even particle distribution, the quality of alloy is good.Reactive force in the alloy between each component is made a concerted effort strong than bond, strong shock resistance.And equipment interoperability is strong, is suitable for suitability for industrialized production, has avoided great amount of investment.
2. use the present invention plastic waste can be processed into polyblend, product cost is low, provides new approach for recovery and Utilization of Waste Plastics simultaneously.
3. use method of the present invention, can produce the high duty alloy of needs according to the additivity of high molecular polymer physical and mechanical properties.
4. little flash distillation forcing machine of the present invention has a plurality of production wells, the liquid that is extruded is further separated in little flash separator, make the solvent in the alloy reach minimum, improved the quality and the utilization ratio of raw materials of alloy, further reduced the production cost of alloy.
Description of drawings
Fig. 1 is preparation technology's schema of high-molecular polymer alloy of the present invention;
Fig. 2 is the synoptic diagram of the little flash distillation forcing machine of the present invention;
Fig. 3 is the sectional view of the little flash separator in the little flash distillation forcing machine of the present invention;
Fig. 4 is the vertical view of the little flash separator in the little flash distillation forcing machine of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments to the detailed description of the invention.
Embodiment 1.1
The preparation of plastics and rubber alloy:
Polymer A is 8 kilograms of polystyrene, and polymer B is 1 kilogram of a cis-1,4-polybutadiene rubber, and polymkeric substance C is 1 kilogram of SBS, and solvent is an xylol, and the solvent of polymer A is 70 kilograms, and the solvent of polymer B and C is 20 kilograms.
Fig. 1 puts into polystyrene and solvent in the dissolution kettle for 70 kilograms for the process flow sheet of high-molecular polymer alloy preparation of the present invention, fully stirs at 100 ℃ and makes its whole dissolvings, makes true solution.Cis-1,4-polybutadiene rubber, SBS and solvent are put in the dissolution kettle for 20 kilograms, fully stirred at 100 ℃ and make its whole dissolvings, make true solution.Above-mentioned two kinds of true solutions are squeezed into and closed by pump in the still, fully stir, generate true solution at 80 ℃.Above-mentioned true solution is entered the equilibrium distillation device after by the preheater preheating carry out the equilibrium distillation first time.The temperature of preheating is 245 ℃, and the temperature of equilibrium distillation is 100 ℃ for the first time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 30%.For the first time the solution behind the equilibrium distillation enters the equilibrium distillation device and carries out the equilibrium distillation second time after the preheater preheating, the temperature of preheating is 285 ℃, the temperature of equilibrium distillation is 100 ℃ for the second time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 40%.Above-mentioned strong solution is preheating to 150 ℃ through preheater, delivers to the liquid inlet opening of little flash distillation forcing machine, extrude, make alloy through pelletizing, packing by nib.The inlet temperature of little flash distillation forcing machine is 150 ℃, and the interlude temperature is 160 ℃, and the extruding zone temperature is 170 ℃, and the temperature of little flash separator is 160 ℃, and vacuum tightness is 5000Pa.
Embodiment 1.2
The preparation of plastics and rubber alloy:
Polymer A is 5 kilograms of PVC, and polymer B is 2.5 kilograms of chloroprene rubbers, and solvent is 92.5 kilograms of tetrahydrofuran (THF)s, and wherein the solvent of polymer A is 40.3 kilograms, and the solvent of polymer B is 52.2 kilograms.
PVC and solvent are put in the dissolution kettle for 40.3 kilograms, fully stir at-15 ℃ and make its whole dissolvings, make true solution.Chloroprene rubber and solvent are put in the dissolution kettle for 52.2 kilograms, fully stirred at-15 ℃ and make its whole dissolvings, make true solution.Above-mentioned two kinds of true solutions are squeezed into and closed by pump in the still, fully stir, generate true solution at 40 ℃.Above-mentioned true solution is entered the equilibrium distillation device after by the preheater preheating carry out the equilibrium distillation first time.The temperature of preheating is 50 ℃, and the temperature of equilibrium distillation is 30 ℃ for the first time, and the pressure of equilibrium distillation is 1000Pa, and being distilled to strength of solution is 30%.For the first time the solution behind the equilibrium distillation enters the equilibrium distillation device and carries out the equilibrium distillation second time after the preheater preheating, the temperature of preheating is 60 ℃, the temperature of equilibrium distillation is 40 ℃ for the second time, and the pressure of equilibrium distillation is 1000Pa, and being distilled to strength of solution is 40%.Above-mentioned strong solution is preheating to 100 ℃ through preheater, delivers to the liquid inlet opening of little flash distillation forcing machine, extrude, make alloy through pelletizing, packing by nib.The inlet temperature of little flash distillation forcing machine is 100 ℃, and the interlude temperature is 150 ℃, and the extruding zone temperature is 160 ℃, and the temperature of little flash separator is 150 ℃, and vacuum tightness is 3000Pa.
Embodiment 1.3
The preparation of plastics and rubber alloy:
Polymer A is 6 kilograms of polystyrene, and polymer B is 1.5 kilograms of paracrils, and polymkeric substance C is the ABS1.5 kilogram, and solvent is 91 kilograms of N.N-dimethyl formamides, and wherein the solvent of polymer A is 76 kilograms, and the solvent of polymer B and C is 15 kilograms.
Manufacture method is identical with embodiment 1.1, and wherein: solvent temperature is 135 ℃, and to close temperature be 120 ℃, the preheating temperature of equilibrium distillation is 300 ℃ for the first time, the temperature of equilibrium distillation is 200 ℃ for the first time, and the pressure of equilibrium distillation is 50000Pa, and being distilled to strength of solution is 30%.The equilibrium distillation preheating temperature is 300 ℃ for the second time, and the temperature of equilibrium distillation is 200 ℃ for the second time, and the pressure of equilibrium distillation is 50000Pa, and being distilled to strength of solution is 70%.Above-mentioned strong solution is preheating to 180 ℃ through preheater, delivers to little flash distillation forcing machine.The inlet temperature of little flash distillation forcing machine is 180 ℃, and the interlude temperature is 180 ℃, and the extruding zone temperature is 190 ℃, and the temperature of little flash separator is 180 ℃, and vacuum tightness is 7000Pa.
Embodiment 2.1
The preparation of PVC/EVA alloy:
Polymer A is 3.6 kilograms of PVC, and polymer B is 0.4 kilogram of EVA, and solvent is 96 kilograms of N-Methyl pyrrolidone.Wherein the solvent of polymer A is 88 kilograms, and the solvent of polymer B is 8 kilograms.
Manufacture method is identical with embodiment 1.2, and wherein: solvent temperature is 15 ℃, and to close temperature be 40 ℃, the preheating temperature of equilibrium distillation is 160 ℃ for the first time, the temperature of equilibrium distillation is 130 ℃ for the first time, and the pressure of equilibrium distillation is 1000Pa, and being distilled to strength of solution is 20%.The equilibrium distillation preheating temperature is 200 ℃ for the second time, and the temperature of equilibrium distillation is 100 ℃ for the second time, and the pressure of equilibrium distillation is 1000Pa, and being distilled to strength of solution is 40%.Above-mentioned strong solution is preheating to 160 ℃ through preheater, delivers to little flash distillation forcing machine.The inlet temperature of little flash distillation forcing machine is 160 ℃, and the interlude temperature is 165 ℃, and the extruding zone temperature is 170 ℃, and the temperature of little flash separator is 150 ℃, and vacuum tightness is 3000Pa.
Embodiment 2.2
The preparation of PVC/EVA alloy:
Polymer A is 22.5 kilograms of PVC, and polymer B is 2.5 kilograms of EVA, and solvent is 75 kilograms of diethyl maleic acid esters, and the solvent of polymer A is 68.8 kilograms, and the solvent of polymer B is 6.2 kilograms.
Manufacture method is identical with embodiment 1.2, and wherein: solvent temperature is 60 ℃, and to close temperature be 120 ℃, the preheating temperature of equilibrium distillation is 170 ℃ for the first time, the temperature of equilibrium distillation is 100 ℃ for the first time, and the pressure of equilibrium distillation is 5000Pa, and being distilled to strength of solution is 20%.The equilibrium distillation preheating temperature is 175 ℃ for the second time, and the temperature of equilibrium distillation is 110 ℃ for the second time, and the pressure of equilibrium distillation is 5000Pa, and being distilled to strength of solution is 50%.Above-mentioned strong solution is preheating to 150 ℃ through preheater, delivers to little flash distillation forcing machine.The inlet temperature of little flash distillation forcing machine is 150 ℃, and the interlude temperature is 160 ℃, and the extruding zone temperature is 170 ℃, and the temperature of little flash separator is 160 ℃, and vacuum tightness is 5000Pa.
Embodiment 2.3
The preparation of PVC/EVA alloy:
Polymer A is 13.6 kilograms of PVC, and polymer B is 1.4 kilograms of EVA, and solvent is 85 kilograms of N.N-N,N-DIMETHYLACETAMIDEs, and the solvent of polymer A is 71 kilograms, and the solvent of polymer B is 14 kilograms.
Manufacture method is identical with embodiment 1.2, and wherein: solvent temperature is 140 ℃, and to close temperature be 80 ℃, the preheating temperature of equilibrium distillation is 175 ℃ for the first time, the temperature of equilibrium distillation is 115 ℃ for the first time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 30%.The equilibrium distillation preheating temperature is 175 ℃ for the second time, and the temperature of equilibrium distillation is 110 ℃ for the second time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 60%.Above-mentioned strong solution is preheating to 150 ℃ through preheater, delivers to little flash distillation forcing machine.The inlet temperature of little flash distillation forcing machine is 150 ℃, and the interlude temperature is 160 ℃, and the extruding zone temperature is 170 ℃, and the temperature of little flash separator is 160 ℃, and vacuum tightness is 7000Pa.
Embodiment 3.1
The preparation of PP/PS alloy:
Polymer A is 4.5 kilograms of PP, and polymer B is 0.5 kilogram of PS, and solvent is 95 kilograms of xylol, and the solvent of polymer A is 85 kilograms, and the solvent of polymer B is 10 kilograms.
Manufacture method is identical with embodiment 1.2, and wherein: solvent temperature is 120 ℃, and to close temperature be 125 ℃, the preheating temperature of equilibrium distillation is 240 ℃ for the first time, the temperature of equilibrium distillation is 100 ℃ for the first time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 30%.The equilibrium distillation preheating temperature is 285 ℃ for the second time, and the temperature of equilibrium distillation is 100 ℃ for the second time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 50%.Above-mentioned strong solution is preheating to 150 ℃ through preheater, delivers to little flash distillation forcing machine.The inlet temperature of little flash distillation forcing machine is 150 ℃, and the interlude temperature is 160 ℃, and the extruding zone temperature is 170 ℃, and the temperature of little flash separator is 160 ℃, and vacuum tightness is 5000Pa.
Embodiment 3.2
The preparation of PP/PS alloy
Polymer A is 30 kilograms of PP, and polymer B is 10 kilograms of PS, and solvent is 60 kilograms of m-xylenes, and the solvent of polymer A is 45 kilograms, and the solvent of polymer B is 15 kilograms.
Manufacture method is identical with embodiment 1.2, and wherein: solvent temperature is 120 ℃, and to close temperature be 125 ℃, the preheating temperature of equilibrium distillation is 240 ℃ for the first time, the temperature of equilibrium distillation is 100 ℃ for the first time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 30%.The equilibrium distillation preheating temperature is 285 ℃ for the second time, and the temperature of equilibrium distillation is 100 ℃ for the second time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 40%.Above-mentioned strong solution is preheating to 155 ℃ through preheater, delivers to little flash distillation forcing machine.The inlet temperature of little flash distillation forcing machine is 155 ℃, and the interlude temperature is 165 ℃, and the extruding zone temperature is 175 ℃, and the temperature of little flash separator is 165 ℃, and vacuum tightness is 7000Pa.
Embodiment 3.3
The preparation of PP/PS alloy
Polymer A is 17 kilograms of PP, and polymer B is 5 kilograms of PS, and solvent is 78 kilograms of o-Xylols, and the solvent of polymer A is 60 kilograms, and the solvent of polymer B is 18 kilograms.
Manufacture method is identical with embodiment 1.2, and wherein: solvent temperature is 125 ℃, and to close temperature be 130 ℃, the preheating temperature of equilibrium distillation is 230 ℃ for the first time, the temperature of equilibrium distillation is 90 ℃ for the first time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 25%.The equilibrium distillation preheating temperature is 275 ℃ for the second time, and the temperature of equilibrium distillation is 95 ℃ for the second time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 40%.Above-mentioned strong solution is preheating to 160 ℃ through preheater, delivers to little flash distillation forcing machine.The inlet temperature of little flash distillation forcing machine is 160 ℃, and the interlude temperature is 165 ℃, and the extruding zone temperature is 170 ℃, and the temperature of little flash separator is 165 ℃, and vacuum tightness is 3000Pa.
Embodiment 4.1
The preparation of ABS/PA6 alloy
Polymer A is 10 kilograms of PA6, and polymer B is 10 kilograms of ABS, and solvent is 80 kilograms of N-Methyl pyrrolidone, and the solvent of polymer A is 45 kilograms, and the solvent of polymer B is 35 kilograms.
Manufacture method is identical with embodiment 1.2, and wherein: solvent temperature is 150 ℃, and to close temperature be 150 ℃, the preheating temperature of equilibrium distillation is 290 ℃ for the first time, the temperature of equilibrium distillation is 100 ℃ for the first time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 20%.The equilibrium distillation preheating temperature is 300 ℃ for the second time, and the temperature of equilibrium distillation is 100 ℃ for the second time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 40%.Above-mentioned strong solution is preheating to 170 ℃ through preheater, delivers to little flash distillation forcing machine.The inlet temperature of little flash distillation forcing machine is 170 ℃, and the interlude temperature is 175 ℃, and the extruding zone temperature is 180 ℃, and the temperature of little flash separator is 170 ℃, and vacuum tightness is 5000Pa.
Embodiment 4.2
The preparation of ABS/PA6 alloy
Polymer A is 2 kilograms of PA6, and polymer B is 2 kilograms of ABS, and solvent is 96 kilograms of dimethyl formamides, and the solvent of polymer A is 56 kilograms, and the solvent of polymer B is 40 kilograms.
Manufacture method is identical with embodiment 1.2, and wherein: solvent temperature is 160 ℃, and to close temperature be 160 ℃, the preheating temperature of equilibrium distillation is 300 ℃ for the first time, the temperature of equilibrium distillation is 110 ℃ for the first time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 30%.The equilibrium distillation preheating temperature is 295 ℃ for the second time, and the temperature of equilibrium distillation is 95 ℃ for the second time, and the pressure of equilibrium distillation is 6000Pa, and being distilled to strength of solution is 60%.Above-mentioned strong solution is preheating to 160 ℃ through preheater, delivers to little flash distillation forcing machine.The inlet temperature of little flash distillation forcing machine is 160 ℃, and the interlude temperature is 170 ℃, and the extruding zone temperature is 180 ℃, and the temperature of little flash separator is 160 ℃, and vacuum tightness is 5000Pa.
Embodiment 4.3
The preparation of ABS/PA6 alloy
Polymer A is 11 kilograms of PA6, and polymer B is the ABS11 kilogram, and solvent is 45% ring, 78 kilograms of alcohol+55%1.2 chlorobenzenes, and the solvent of polymer A is 56 kilograms, and the solvent of polymer B is 22 kilograms.
Manufacture method is identical with embodiment 1.2, and wherein: solvent temperature is 160 ℃, and to close temperature be 160 ℃, the preheating temperature of equilibrium distillation is 295 ℃ for the first time, the temperature of equilibrium distillation is 100 ℃ for the first time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 30%.The equilibrium distillation preheating temperature is 285 ℃ for the second time, and the temperature of equilibrium distillation is 100 ℃ for the second time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 70%.Above-mentioned strong solution is preheating to 170 ℃ through preheater, delivers to little flash distillation forcing machine.The inlet temperature of little flash distillation forcing machine is 170 ℃, and the interlude temperature is 175 ℃, and the extruding zone temperature is 180 ℃, and the temperature of little flash separator is 170 ℃, and vacuum tightness is 5000Pa.
Embodiment 5.1
The preparation of polyphosphonitrile fluorine/polyimide alloy:
Polymer A is 2.7 kilograms of polyimide, and polymer B is 0.3 kilogram in a polyphosphonitrile fluorine, and solvent is 97 kilograms of dimethyl formamides, and the solvent of polymer A is 70 kilograms, and the solvent of polymer B is 27 kilograms.
Manufacture method is identical with embodiment 1.2, and wherein: solvent temperature is 160 ℃, and to close temperature be 160 ℃, the preheating temperature of equilibrium distillation is 280 ℃ for the first time, the temperature of equilibrium distillation is 100 ℃ for the first time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 25%.The equilibrium distillation preheating temperature is 285 ℃ for the second time, and the temperature of equilibrium distillation is 90 ℃ for the second time, and the pressure of equilibrium distillation is 6000Pa, and being distilled to strength of solution is 40%.Above-mentioned strong solution is preheating to 180 ℃ through preheater, delivers to little flash distillation forcing machine.The inlet temperature of little flash distillation forcing machine is 180 ℃, and the interlude temperature is 190 ℃, and the extruding zone temperature is 200 ℃, and the temperature of little flash separator is 180 ℃, and vacuum tightness is 5000Pa.
Embodiment 5.2
The preparation of polyphosphonitrile fluorine/polyimide alloy:
Polymer A is 13.5 kilograms of polyimide, and polymer B is 1.5 kilograms in a polyphosphonitrile fluorine, and solvent is 85 kilograms of N,N-DIMETHYLACETAMIDEs, and the solvent of polymer A is 70 kilograms, and the solvent of polymer B is 15 kilograms.
Manufacture method is identical with embodiment 1.2, and wherein: solvent temperature is 150 ℃, and to close temperature be 150 ℃, the preheating temperature of equilibrium distillation is 200 ℃ for the first time, the temperature of equilibrium distillation is 100 ℃ for the first time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 20%.The equilibrium distillation preheating temperature is 285 ℃ for the second time, and the temperature of equilibrium distillation is 100 ℃ for the second time, and the pressure of equilibrium distillation is 5000Pa, and being distilled to strength of solution is 40%.Above-mentioned strong solution is preheating to 190 ℃ through preheater, delivers to little flash distillation forcing machine.The inlet temperature of little flash distillation forcing machine is 190 ℃, and the interlude temperature is 195 ℃, and the extruding zone temperature is 200 ℃, and the temperature of little flash separator is 190 ℃, and vacuum tightness is 5000Pa.
Embodiment 5.3
The preparation of polyphosphonitrile fluorine/polyimide alloy:
Polymer A is 8.1 kilograms of polyimide, and polymer B is 0.9 kilogram in a polyphosphonitrile fluorine, and solvent is 91 kilograms of N-Methyl pyrrolidone, and the solvent of polymer A is 80 kilograms, and the solvent of polymer B is 11 kilograms.
Manufacture method is identical with embodiment 1.2, and wherein: solvent temperature is 170 ℃, and to close temperature be 170 ℃, the preheating temperature of equilibrium distillation is 300 ℃ for the first time, the temperature of equilibrium distillation is 100 ℃ for the first time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 20%.The equilibrium distillation preheating temperature is 300 ℃ for the second time, and the temperature of equilibrium distillation is 100 ℃ for the second time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 40%.Above-mentioned strong solution is preheating to 185 ℃ through preheater, delivers to little flash distillation forcing machine.The inlet temperature of little flash distillation forcing machine is 185 ℃, and the interlude temperature is 190 ℃, and the extruding zone temperature is 195 ℃, and the temperature of little flash separator is 185 ℃, and vacuum tightness is 5000Pa.
Embodiment 6.1
The preparation of polyphosphonitrile chlorine/polyimide alloy:
Polymer A is 8.1 kilograms of polyimide, and polymer B is 0.9 kilogram of a polyphosphonitrile chlorine, and solvent is 91 kilograms of dimethyl formamides, and the solvent of polymer A is 70 kilograms, and the solvent of polymer B is 21 kilograms.
Manufacture method is identical with embodiment 1.2, and wherein: solvent temperature is 175 ℃, and to close temperature be 175 ℃, the preheating temperature of equilibrium distillation is 300 ℃ for the first time, the temperature of equilibrium distillation is 100 ℃ for the first time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 30%.The equilibrium distillation preheating temperature is 295 ℃ for the second time, and the temperature of equilibrium distillation is 100 ℃ for the second time, and the pressure of equilibrium distillation is 6000Pa, and being distilled to strength of solution is 40%.Above-mentioned strong solution is preheating to 190 ℃ through preheater, delivers to little flash distillation forcing machine.The inlet temperature of little flash distillation forcing machine is 190 ℃, and the interlude temperature is 195 ℃, and the extruding zone temperature is 200 ℃, and the temperature of little flash separator is 190 ℃, and vacuum tightness is 5000Pa.
Embodiment 6.2
The preparation of polyphosphonitrile chlorine/polyimide alloy:
Polymer A is 8.1 kilograms of polyimide, and polymer B is 0.9 kilogram of a polyphosphonitrile chlorine, and solvent is 91 kilograms of N,N-DIMETHYLACETAMIDEs, and the solvent of polymer A is 71 kilograms, and the solvent of polymer B is 20 kilograms.
Manufacture method is identical with embodiment 1.2, and wherein: solvent temperature is 180 ℃, and to close temperature be 180 ℃, the preheating temperature of equilibrium distillation is 300 ℃ for the first time, the temperature of equilibrium distillation is 95 ℃ for the first time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 30%.The equilibrium distillation preheating temperature is 300 ℃ for the second time, and the temperature of equilibrium distillation is 100 ℃ for the second time, and the pressure of equilibrium distillation is 5000Pa, and being distilled to strength of solution is 40%.Above-mentioned strong solution is preheating to 200 ℃ through preheater, delivers to little flash distillation forcing machine.The inlet temperature of little flash distillation forcing machine is 200 ℃, and the interlude temperature is 205 ℃, and the extruding zone temperature is 210 ℃, and the temperature of little flash separator is 200 ℃, and vacuum tightness is 5000Pa.
Embodiment 6.3
The preparation of polyphosphonitrile chlorine/polyimide alloy:
Polymer A is 8.1 kilograms of polyimide, and polymer B is 0.9 kilogram of a polyphosphonitrile chlorine, and solvent is 91 kilograms of N-Methyl pyrrolidone, and the solvent of polymer A is 65 kilograms, and the solvent of polymer B is 26 kilograms.
Manufacture method is identical with embodiment 1.2, and wherein: solvent temperature is 180 ℃, and to close temperature be 180 ℃, the preheating temperature of equilibrium distillation is 300 ℃ for the first time, the temperature of equilibrium distillation is 100 ℃ for the first time, and the pressure of equilibrium distillation is 6000Pa, and being distilled to strength of solution is 30%.The equilibrium distillation preheating temperature is 300 ℃ for the second time, and the temperature of equilibrium distillation is 100 ℃ for the second time, and the pressure of equilibrium distillation is 6000Pa, and being distilled to strength of solution is 40%.Above-mentioned strong solution is preheating to 200 ℃ through preheater, delivers to little flash distillation forcing machine.The inlet temperature of little flash distillation forcing machine is 200 ℃, and the interlude temperature is 205 ℃, and the extruding zone temperature is 210 ℃, and the temperature of little flash separator is 200 ℃, and vacuum tightness is 5000Pa.
Embodiment 7.1
The preparation of PC/PE alloy:
Polymer A is 4 kilograms of PC, and polymer B is 1 kilogram of PE, and solvent is 95 kilograms of cyclohexanones, and the solvent of polymer A is 80 kilograms, and the solvent of polymer B is 15 kilograms.
Manufacture method is identical with embodiment 1.2, and wherein: solvent temperature is 140 ℃, and to close temperature be 140 ℃, the preheating temperature of equilibrium distillation is 300 ℃ for the first time, the temperature of equilibrium distillation is 100 ℃ for the first time, and the pressure of equilibrium distillation is 75000Pa, and being distilled to strength of solution is 30%.The equilibrium distillation preheating temperature is 300 ℃ for the second time, and the temperature of equilibrium distillation is 100 ℃ for the second time, and the pressure of equilibrium distillation is 6500Pa, and being distilled to strength of solution is 40%.Above-mentioned strong solution is preheating to 150 ℃ through preheater, delivers to little flash distillation forcing machine.The inlet temperature of little flash distillation forcing machine is 170 ℃, and the interlude temperature is 175 ℃, and the extruding zone temperature is 180 ℃, and the temperature of little flash separator is 170 ℃, and vacuum tightness is 5000Pa.
Embodiment 7.2
The preparation of PC/PE alloy:
Polymer A is 6.4 kilograms of PC, and polymer B is 0.6 kilogram of PE, and solvent is 30 kilograms of 1.2 chlorobenzenes, and the solvent of polymer A is 20 kilograms, and the solvent of polymer B is 10 kilograms.
Manufacture method is identical with embodiment 1.2, and wherein: solvent temperature is 140 ℃, and to close temperature be 140 ℃, the preheating temperature of equilibrium distillation is 250 ℃ for the first time, the temperature of equilibrium distillation is 100 ℃ for the first time, and the pressure of equilibrium distillation is 15000Pa, and being distilled to strength of solution is 25%.The equilibrium distillation preheating temperature is 285 ℃ for the second time, and the temperature of equilibrium distillation is 100 ℃ for the second time, and the pressure of equilibrium distillation is 70000Pa, and being distilled to strength of solution is 45%.Above-mentioned strong solution is preheating to 180 ℃ through preheater, delivers to little flash distillation forcing machine.The inlet temperature of little flash distillation forcing machine is 180 ℃, and the interlude temperature is 185 ℃, and the extruding zone temperature is 190 ℃, and the temperature of little flash separator is 180 ℃, and vacuum tightness is 3000Pa.
Embodiment 7.3
The preparation of PC/PE alloy:
Polymer A is 3.4 kilograms of PC, and polymer B is 0.3 kilogram of PE, and solvent is 67 kilograms of naphthanes, and the solvent of polymer A is 40 kilograms, and the solvent of polymer B is 27 kilograms.
Manufacture method is identical with embodiment 1.2, and wherein: solvent temperature is 120 ℃, and to close temperature be 120 ℃, the preheating temperature of equilibrium distillation is 200 ℃ for the first time, the temperature of equilibrium distillation is 100 ℃ for the first time, and the pressure of equilibrium distillation is 5000Pa, and being distilled to strength of solution is 30%.For the first time the solution behind the equilibrium distillation enters the equilibrium distillation device and carries out the equilibrium distillation second time after the preheater preheating, the equilibrium distillation preheating temperature is 285 ℃ for the second time, the temperature of equilibrium distillation is 100 ℃ for the second time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 40%.Above-mentioned strong solution is preheating to 170 ℃ through preheater, delivers to little flash distillation forcing machine.The inlet temperature of little flash distillation forcing machine is 170 ℃, and the interlude temperature is 180 ℃, and the extruding zone temperature is 185 ℃, and the temperature of little flash separator is 170 ℃, and vacuum tightness is 5000Pa.
Embodiment 8.1
The preparation of PC/PS alloy
Polymer A is 2.5 kilograms of PC, and polymer B is 2.5 kilograms of PS, and solvent is 95 kilograms of chloroforms, and the solvent of polymer A is 80 kilograms, and the solvent of polymer B is 15 kilograms.
Manufacture method is identical with embodiment 1.2, and wherein: solvent temperature is 60 ℃, and to close temperature be 60 ℃, the preheating temperature of equilibrium distillation is 160 ℃ for the first time, the temperature of equilibrium distillation is 60 ℃ for the first time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 30%.The equilibrium distillation preheating temperature is 170 ℃ for the second time, and the temperature of equilibrium distillation is 50 ℃ for the second time, and the pressure of equilibrium distillation is 50000Pa, and being distilled to strength of solution is 40%.Above-mentioned strong solution is preheating to 150 ℃ through preheater, delivers to little flash distillation forcing machine.The inlet temperature of little flash distillation forcing machine is 150 ℃, and the interlude temperature is 160 ℃, and the extruding zone temperature is 170 ℃, and the temperature of little flash separator is 160 ℃, and vacuum tightness is 7000Pa.
Embodiment 8.2
The preparation of PC/PS alloy
Polymer A is 10 kilograms of PC, and polymer B is 10 kilograms of PS, and solvent is 80 kilograms of 1.2 chlorobenzenes, and the solvent of polymer A is 40 kilograms, and the solvent of polymer B is 40 kilograms.
Manufacture method is identical with embodiment 1.2, and wherein: solvent temperature is 130 ℃, and to close temperature be 130 ℃, the preheating temperature of equilibrium distillation is 200 ℃ for the first time, the temperature of equilibrium distillation is 100 ℃ for the first time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 30%.The equilibrium distillation preheating temperature is 285 ℃ for the second time, and the temperature of equilibrium distillation is 90 ℃ for the second time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 70%.Above-mentioned strong solution is preheating to 150 ℃ through preheater, delivers to little flash distillation forcing machine.The inlet temperature of little flash distillation forcing machine is 150 ℃, and the interlude temperature is 160 ℃, and the extruding zone temperature is 170 ℃, and the temperature of little flash separator is 160 ℃, and vacuum tightness is 7000Pa.
Embodiment 8.3
The preparation of PC/PS alloy
Polymer A is 4 kilograms of PC, and polymer B is 4 kilograms of PS, and solvent is 92 kilograms of naphthanes, and the solvent of polymer A is 46 kilograms, and the solvent of polymer B is 46 kilograms.
Manufacture method is identical with embodiment 1.2, and wherein: solvent temperature is 120 ℃, and to close temperature be 120 ℃, the preheating temperature of equilibrium distillation is 200 ℃ for the first time, the temperature of equilibrium distillation is 100 ℃ for the first time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 30%.The equilibrium distillation preheating temperature is 285 ℃ for the second time, and the temperature of equilibrium distillation is 100 ℃ for the second time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 40%.Above-mentioned strong solution is preheating to 165 ℃ through preheater, delivers to little flash distillation forcing machine.The inlet temperature of little flash distillation forcing machine is 165 ℃, and the interlude temperature is 170 ℃, and the extruding zone temperature is 175 ℃, and the temperature of little flash separator is 165 ℃, and vacuum tightness is 5000Pa.
Embodiment 9.1
The preparation of PP/PVC alloy:
Polymer A is 1.5 kilograms of PVC, and polymer B is 0.5 kilogram of PP, solvent be 35% xylol+65% ring alcohol 80 kilograms, the solvent of polymer A is 55 kilograms, the solvent of polymer B is 25 kilograms.
Manufacture method is identical with embodiment 1.2, and wherein: solvent temperature is 110 ℃, and to close temperature be 110 ℃, the preheating temperature of equilibrium distillation is 180 ℃ for the first time, the temperature of equilibrium distillation is 80 ℃ for the first time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 30%.The equilibrium distillation preheating temperature is 180 ℃ for the second time, and the temperature of equilibrium distillation is 90 ℃ for the second time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 40%.Above-mentioned strong solution is preheating to 150 ℃ through preheater, delivers to little flash distillation forcing machine.The inlet temperature of little flash distillation forcing machine is 150 ℃, and the interlude temperature is 160 ℃, and the extruding zone temperature is 170 ℃, and the temperature of little flash separator is 160 ℃, and vacuum tightness is 5000Pa.
Embodiment 9.2
The preparation of PP/PVC alloy:
Polymer A is 4 kilograms of PVC, and polymer B is the PP1 kilogram, solvent be 40% o-Xylol+60% ring alcohol 95 kilograms, the solvent of polymer A is 85 kilograms, the solvent of polymer B is 10 kilograms.
Manufacture method is identical with embodiment 1.2, and wherein: solvent temperature is 100 ℃, and to close temperature be 100 ℃, the preheating temperature of equilibrium distillation is 170 ℃ for the first time, the temperature of equilibrium distillation is 80 ℃ for the first time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 30%.The equilibrium distillation preheating temperature is 175 ℃ for the second time, and the temperature of equilibrium distillation is 80 ℃ for the second time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 40%.Above-mentioned strong solution is preheating to 150 ℃ through preheater, delivers to little flash distillation forcing machine.The inlet temperature of little flash distillation forcing machine is 150 ℃, and the interlude temperature is 160 ℃, and the extruding zone temperature is 170 ℃, and the temperature of little flash separator is 160 ℃, and vacuum tightness is 5000Pa.
Embodiment 9.3
The preparation of PP/PVC alloy:
Polymer A is 9.5 kilograms of PVC, and polymer B is 2.5 kilograms of PP, solvent be 30% m-xylene+70% ring alcohol 88 kilograms, the solvent of polymer A is 63 kilograms, the solvent of polymer B is 25 kilograms.
Manufacture method is identical with embodiment 1.2, and wherein: solvent temperature is 110 ℃, and to close temperature be 110 ℃, the preheating temperature of equilibrium distillation is 180 ℃ for the first time, the temperature of equilibrium distillation is 80 ℃ for the first time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 30%.The equilibrium distillation preheating temperature is 175 ℃ for the second time, and the temperature of equilibrium distillation is 85 ℃ for the second time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 40%.Above-mentioned strong solution is preheating to 150 ℃ through preheater, delivers to little flash distillation forcing machine.The inlet temperature of little flash distillation forcing machine is 150 ℃, and the interlude temperature is 160 ℃, and the extruding zone temperature is 170 ℃, and the temperature of little flash separator is 160 ℃, and vacuum tightness is 5000Pa.
Embodiment 10.1
The preparation of PS/PE/PP alloy
Polymer A is 2.5 kilograms of PS, and polymer B is 1.25 kilograms of PE, and polymkeric substance C is 1.25 kilograms of PP, and solvent is 95 kilograms of pentyl acetates, and the solvent of polymer A is 25 kilograms, and the solvent of polymer B and C is 70 kilograms.
Manufacture method is identical with embodiment 1.1, and wherein: solvent temperature is 120 ℃, and to close temperature be 120 ℃, the preheating temperature of equilibrium distillation is 245 ℃ for the first time, the temperature of equilibrium distillation is 100 ℃ for the first time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 30%.The equilibrium distillation preheating temperature is 285 ℃ for the second time, and the temperature of equilibrium distillation is 100 ℃ for the second time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 40%.Above-mentioned strong solution is preheating to 150 ℃ through preheater, delivers to little flash distillation forcing machine.The inlet temperature of little flash distillation forcing machine is 150 ℃, and the interlude temperature is 160 ℃, and the extruding zone temperature is 170 ℃, and the temperature of little flash separator is 160 ℃, and vacuum tightness is 5000Pa.
Embodiment 10.2
The preparation of PS/PE/PP alloy
Polymer A is 3 kilograms of PS, and polymer B is 1 kilogram of PE, and polymkeric substance C is the PP1 kilogram, and solvent is 95 kilograms of m-xylenes, and the solvent of polymer A is 55 kilograms, and the solvent of polymer B and C is 40 kilograms.
Manufacture method is identical with embodiment 1.1, and wherein: solvent temperature is 120 ℃, and to close temperature be 120 ℃, the preheating temperature of equilibrium distillation is 200 ℃ for the first time, the temperature of equilibrium distillation is 100 ℃ for the first time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 30%.The equilibrium distillation preheating temperature is 285 ℃ for the second time, and the temperature of equilibrium distillation is 100 ℃ for the second time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 40%.Above-mentioned strong solution is preheating to 150 ℃ through preheater, delivers to little flash distillation forcing machine.The inlet temperature of little flash distillation forcing machine is 150 ℃, and the interlude temperature is 160 ℃, and the extruding zone temperature is 170 ℃, and the temperature of little flash separator is 160 ℃, and vacuum tightness is 5000Pa.
Embodiment 10.3
The preparation of PS/PE/PP alloy
Polymer A is 3.5 kilograms of PS, and polymer B is the PE0.75 kilogram, and polymkeric substance C is 0.75 kilogram of PP, and solvent is 95 kilograms of dimethylbenzene, and the solvent of polymer A is 30 kilograms, and the solvent of polymer B and C is 65 kilograms.
Manufacture method is identical with embodiment 1.1, and wherein: solvent temperature is 125 ℃, and to close temperature be 125 ℃, the preheating temperature of equilibrium distillation is 240 ℃ for the first time, the temperature of equilibrium distillation is 100 ℃ for the first time, and the pressure of equilibrium distillation is 5500Pa, and being distilled to strength of solution is 30%.The equilibrium distillation preheating temperature is 285 ℃ for the second time, and the temperature of equilibrium distillation is 100 ℃ for the second time, and the pressure of equilibrium distillation is 6000Pa, and being distilled to strength of solution is 40%.Above-mentioned strong solution is preheating to 150 ℃ through preheater, delivers to little flash distillation forcing machine.The inlet temperature of little flash distillation forcing machine is 150 ℃, and the interlude temperature is 160 ℃, and the extruding zone temperature is 170 ℃, and the temperature of little flash separator is 160 ℃, and vacuum tightness is 6000Pa.
Embodiment 11.1
The preparation of PS/PVC/PET alloy
Polymer A is 1 kilogram of PS, and polymer B is 2 kilograms of PVC, and polymkeric substance C is 1 kilogram of PET, and solvent is 96 kilograms of N-Methyl pyrrolidone, and the solvent of polymer A is 6 kilograms, and the solvent of polymer B and C is 90 kilograms.
Manufacture method is identical with embodiment 1.1, and wherein: solvent temperature is 150 ℃, and to close temperature be 150 ℃, the preheating temperature of equilibrium distillation is 170 ℃ for the first time, the temperature of equilibrium distillation is 70 ℃ for the first time, and the pressure of equilibrium distillation is 5000Pa, and being distilled to strength of solution is 30%.The equilibrium distillation preheating temperature is 175 ℃ for the second time, and the temperature of equilibrium distillation is 80 ℃ for the second time, and the pressure of equilibrium distillation is 6000Pa, and being distilled to strength of solution is 40%.Above-mentioned strong solution is preheating to 150 ℃ through preheater, delivers to little flash distillation forcing machine.The inlet temperature of little flash distillation forcing machine is 150 ℃, and the interlude temperature is 160 ℃, and the extruding zone temperature is 170 ℃, and the temperature of little flash separator is 160 ℃, and vacuum tightness is 3000Pa.
Embodiment 11.2
The preparation of PS/PVC/PET alloy
Polymer A is 4 kilograms of PS, and polymer B is 3 kilograms of PVC, and polymkeric substance C is 3 kilograms of PET, and solvent is 90 kilograms of tetrahydrofuran (THF)s, and the solvent of polymer A is 20 kilograms, and the solvent of polymer B and C is 70 kilograms.
Manufacture method is identical with embodiment 1.1, and wherein: solvent temperature is 180 ℃, and to close temperature be 180 ℃, the preheating temperature of equilibrium distillation is 185 ℃ for the first time, the temperature of equilibrium distillation is 40 ℃ for the first time, and the pressure of equilibrium distillation is 75000Pa, and being distilled to strength of solution is 30%.The equilibrium distillation preheating temperature is 185 ℃ for the second time, and the temperature of equilibrium distillation is 45 ℃ for the second time, and the pressure of equilibrium distillation is 40000Pa, and being distilled to strength of solution is 40%.Above-mentioned strong solution is preheating to 150 ℃ through preheater, delivers to little flash distillation forcing machine.The inlet temperature of little flash distillation forcing machine is 150 ℃, and the interlude temperature is 160 ℃, and the extruding zone temperature is 170 ℃, and the temperature of little flash separator is 160 ℃, and vacuum tightness is 7000Pa.
Embodiment 11.3
The preparation of PS/PVC/PET alloy
Polymer A is 2.5 kilograms of PS, and polymer B is 2.5 kilograms of PVC, and polymkeric substance C is 2 kilograms of PET, and solvent is 93 kilograms of dimethyl formamides, and the solvent of polymer A is 13 kilograms, and the solvent of polymer B and C is 80 kilograms.
Manufacture method is identical with embodiment 1.1, and wherein: solvent temperature is 170 ℃, and to close temperature be 170 ℃, the preheating temperature of equilibrium distillation is 280 ℃ for the first time, the temperature of equilibrium distillation is 100 ℃ for the first time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 30%.The equilibrium distillation preheating temperature is 285 ℃ for the second time, and the temperature of equilibrium distillation is 100 ℃ for the second time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 40%.Above-mentioned strong solution is preheating to 165 ℃ through preheater, delivers to little flash distillation forcing machine.The inlet temperature of little flash distillation forcing machine is 165 ℃, and the interlude temperature is 170 ℃, and the extruding zone temperature is 175 ℃, and the temperature of little flash separator is 165 ℃, and vacuum tightness is 5000Pa.
Embodiment 12.1
The preparation of PP/PE/EPR alloy
Polymer A is 2 kilograms of PP, and polymer B is 1.5 kilograms of PE, and polymkeric substance C is 0.5 kilogram of EPR, and solvent is 96 kilograms of cyclohexanones, and the solvent of polymer A is 30 kilograms, and the solvent of polymer B and C is 66 kilograms.
Manufacture method is identical with embodiment 1.1, and wherein: solvent temperature is 120 ℃, and to close temperature be 120 ℃, the preheating temperature of equilibrium distillation is 265 ℃ for the first time, the temperature of equilibrium distillation is 100 ℃ for the first time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 30%.The equilibrium distillation preheating temperature is 285 ℃ for the second time, and the temperature of equilibrium distillation is 100 ℃ for the second time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 40%.Above-mentioned strong solution is preheating to 150 ℃ through preheater, delivers to little flash distillation forcing machine.The inlet temperature of little flash distillation forcing machine is 150 ℃, and the interlude temperature is 160 ℃, and the extruding zone temperature is 170 ℃, and the temperature of little flash separator is 160 ℃, and vacuum tightness is 5000Pa.
Embodiment 12.2
The preparation of PP/PE/EPR alloy
Polymer A is 2 kilograms of PP, and polymer B is 2 kilograms of PE, and polymkeric substance C is 1 kilogram of EPR, and solvent is 95 kilograms of dimethylbenzene, and the solvent of polymer A is 40 kilograms, and the solvent of polymer B and C is 55 kilograms.
Manufacture method is identical with embodiment 1.1, and wherein: solvent temperature is 120 ℃, and to close temperature be 120 ℃, the preheating temperature of equilibrium distillation is 280 ℃ for the first time, the temperature of equilibrium distillation is 100 ℃ for the first time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 30%.The equilibrium distillation preheating temperature is 285 ℃ for the second time, and the temperature of equilibrium distillation is 100 ℃ for the second time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 40%.Above-mentioned strong solution is preheating to 150 ℃ through preheater, delivers to little flash distillation forcing machine.The inlet temperature of little flash distillation forcing machine is 150 ℃, and the interlude temperature is 160 ℃, and the extruding zone temperature is 170 ℃, and the temperature of little flash separator is 160 ℃, and vacuum tightness is 5000Pa.
Embodiment 12.3
The preparation of PP/PE/EPR alloy
Polymer A is 1.6 kilograms of PP, and polymer B is 1.4 kilograms of PE, and polymkeric substance C is 1 kilogram of EPR, and solvent is 96 kilograms of o-Xylols, and the solvent of polymer A is 16 kilograms, and the solvent of polymer B and C is 80 kilograms.
Manufacture method is identical with embodiment 1.1, and wherein: solvent temperature is 110 ℃, and to close temperature be 110 ℃, the preheating temperature of equilibrium distillation is 245 ℃ for the first time, the temperature of equilibrium distillation is 100 ℃ for the first time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 30%., the equilibrium distillation preheating temperature is 285 ℃ for the second time, and the temperature of equilibrium distillation is 100 ℃ for the second time, and the pressure of equilibrium distillation is 7000Pa, and being distilled to strength of solution is 40%.Above-mentioned strong solution is preheating to 150 ℃ through preheater, delivers to little flash distillation forcing machine.The inlet temperature of little flash distillation forcing machine is 150 ℃, and the interlude temperature is 160 ℃, and the extruding zone temperature is 170 ℃, and the temperature of little flash separator is 160 ℃, and vacuum tightness is 5000Pa.
Use special device to finish among the present invention.Fig. 2 is the synoptic diagram of the little flash distillation forcing machine of the present invention, Fig. 3 is the sectional view of the little flash separator in the little flash distillation forcing machine of the present invention, Fig. 4 is the vertical view of the little flash separator in the little flash distillation forcing machine of the present invention, be arranged at intervals with production well 5 on the twin screw extruder main body, each production well is connected with the opening for feed of tensimeter 4 with little flash separator 3 respectively.Little flash separator is made up of housing and gas withdrawer 7, housing is made up of right cylinder 8 that fuses and cone 9, be provided with solution in the lower end of cone and reclaim mouth 11, solution reclaims in the mouth and is provided with toothed gear pump 10, is provided with opening for feed 6 in right cylinder 8 sides along cylindrical tangential direction.The gas of gas recovery device steams and mouthful is connected with condenser 2, and solution recovery mouth is connected with liquid inlet opening 1 on the forcing machine.The fineness ratio of twin screw extruder is 1: 55-75.
The right cylinder of little flash separator is 4: 1 with the diameter ratio of gas recovery device, and the gas recovery device enters cylindrical part and accounts for 4/5ths of gas recovery device height, and the cylindrical diameter of little flash separator and the aspect ratio of little flash separator are 1: 5.
During use, the strong solution of high molecular polymer enters twin screw extruder by liquid inlet opening, owing on the twin screw extruder main body, be arranged at intervals with production well, the gas that has solvent is discharged from production well, enter the opening for feed of little flash separator by pipeline, the gas that has solvent heavy-gravity liquid cone by little flash separator in little flash separator is squeezed into the liquid inlet opening of twin screw extruder by the pump of bottom by pipeline, pushes again.The isolated gas that has liquid of little flash separator enters condenser by pipeline, and after the condenser cooling, use as raw material the refining back of can regenerating, and also can directly use as raw material.The strong solution of high molecular polymer is deviate from solvent by twin screw extruder, extrudes from nib, arrives stockyard after pelletizing, cooling, dehydration, drying, screening.
PVC/EVA alloy melt viscosity is low, the formability brilliance, and tonequality is good, mainly as disc and binding agent, also can do sheet material.
The PP/PS alloy particle is uniformly dispersed, and alloy density is low, strong shock resistance.
Polyphosphonitrile fluorine/polyimide alloy and polyphosphonitrile chlorine/polyimide alloy heat-drawn wire can reach 360 ℃ of (18.6kg/cm
2), shock strength is 36.8kg/m
2
PC/PE alloy tensile strength is 70.0Mpa, and shock strength is 41.5kg/m
2
The PC/PS alloy is low refraction product, and double refraction is applicable to the making CD less than 15%.
The PP/PE/EPR alloy can be used as the substitute of PPR, is used for construction sector and does heating installation and hot-water line.
Although disclosed preparation method and the special-purpose little flash distillation forcing machine that relates to a kind of high-molecular polymer alloy carried out special description with reference to embodiment, embodiment described above is illustrative and not restrictive, under the situation that does not break away from the spirit and scope of the present invention, all variations and modification are all within the scope of the present invention.
Claims (7)
1. one kind does not contain compatilizer and closes the method that cataclysm prepares high-molecular polymer alloy, it is characterized in that comprising the steps:
(1) takes by weighing high molecular polymer A 1-30, high molecular polymer B 0.3-10, high molecular polymer C 0.5-3, solvent 30-97 by weight; Described high molecular polymer A is the thermoplastic polyester as the external phase of matrix, and described high molecular polymer B is the thermoplastic polyester as disperse phase, and described high molecular polymer C is the thermoplastic polyester as disperse phase;
(2) high molecular polymer A and solvent, high molecular polymer B or high molecular polymer B and C and solvent are put into dissolution kettle respectively, fully stir at-15 ℃-180 ℃ and make the true solution of its true solution of being dissolved into high molecular polymer A, high molecular polymer B or the true solution of high molecular polymer B and C;
(3) true solution of above-mentioned high molecular polymer A, the true solution of high molecular polymer B or the true solution of high molecular polymer B and C are delivered to respectively and closed in the still, fully stir at 40-180 ℃, high molecular polymer B or high molecular polymer B and C are distributed among the high molecular polymer A, become true solution;
(4) above-mentioned true solution is placed on through 50-300 ℃ of preheating carries out the equilibrium distillation first time in the equilibrium distillation device, deviate from partial solvent, making strength of solution is 20-30%, and the temperature of equilibrium distillation is 30-200 ℃ for the first time, and pressure is 1000-50000Pa;
(5) solution behind the general's equilibrium distillation first time is delivered to after 60-300 ℃ of preheating in the equilibrium distillation device, carries out the equilibrium distillation second time, deviates from partial solvent, and forming concentration is the strong solution of the high molecular polymer of 40-70%; The temperature of equilibrium distillation is 40-200 ℃ for the second time, and pressure is 1000-75000Pa;
(6) after being extruded by little flash distillation forcing machine, above-mentioned high molecular polymer strong solution obtains high-molecular polymer alloy.
2. high-molecular polymer alloy according to claim 1 is characterized in that described high molecular polymer A is plastics or rubber, and described high molecular polymer B is plastics or rubber, and described high molecular polymer C is plastics or rubber.
3. according to claim 1ly do not contain compatilizer and close the method that cataclysm prepares high-molecular polymer alloy, it is characterized in that described solvent is cycloalcohol kind solvent or cyclic ketone kind solvent or aromatic hydrocarbon solvent or halogenated hydrocarbon solvent or amide solvent.
4. according to claim 1ly do not contain compatilizer and close the method that cataclysm prepares high-molecular polymer alloy, it is characterized in that for the first time and for the second time the solvent that produces of the solvent deviate from of equilibrium distillation and little flash distillation forcing machine deliver to solvent recovery unit through condenser respectively and reclaim, solvent after the recovery uses as raw material, and perhaps part enters and uses as raw material after regenerator column is made with extra care.
5. according to claim 1ly do not contain compatilizer and close the method that cataclysm prepares high-molecular polymer alloy, the inlet temperature that it is characterized in that twin screw extruder is 100-200 ℃, the interlude temperature is 150-205 ℃, the temperature of outlet section is 160-210 ℃, the vacuum tightness of little flash separator is 3000-7000Pa, and the temperature of temperature and twin screw extruder interlude is close.
6. not containing compatilizer and closing the employed little flash distillation forcing machine of method that cataclysm prepares high-molecular polymer alloy described in the claim 1, comprise the twin screw extruder main body, it is characterized in that twin screw extruder main body spacer is provided with production well, each production well is connected with the opening for feed of tensimeter and little flash separator respectively; Described little flash separator is made up of housing and gas withdrawer, and described housing is made up of right cylinder that fuses and cone, is provided with liquid outlet in the lower end of described cone, is provided with toothed gear pump in the described liquid outlet; Describedly be provided with opening for feed along cylindrical tangential direction in the right cylinder side; The gas of described gas recovery device steams and mouthful is connected with condenser, and solution recovery mouth is connected with liquid inlet opening on the forcing machine.
7. little flash distillation forcing machine according to claim 6, the right cylinder that it is characterized in that described little flash separator is 4: 1 with the diameter ratio of gas recovery device, the gas recovery device enters cylindrical part and accounts for 4/5ths of gas recovery device height, the cylindrical diameter of little flash separator and the aspect ratio of little flash separator are 1: 5, and the fineness ratio of twin screw extruder is 1: 55-75.
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| CNB2005100131704A CN100355835C (en) | 2005-02-02 | 2005-02-02 | High-molecular polymer alloy and its preparation method |
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| CN100355835C true CN100355835C (en) | 2007-12-19 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000181100A (en) * | 1998-12-14 | 2000-06-30 | Fuji Electric Co Ltd | Bobbin for producing electrophotographic photoreceptor and its production |
| CN1268146A (en) * | 1997-06-24 | 2000-09-27 | 波里阿利斯有限公司 | Process for producing polypropylene alloys |
| CN1302225A (en) * | 1998-05-18 | 2001-07-04 | 埃克森化学专利公司 | Continuous slurry polymerization volatile removal |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1268146A (en) * | 1997-06-24 | 2000-09-27 | 波里阿利斯有限公司 | Process for producing polypropylene alloys |
| CN1302225A (en) * | 1998-05-18 | 2001-07-04 | 埃克森化学专利公司 | Continuous slurry polymerization volatile removal |
| JP2000181100A (en) * | 1998-12-14 | 2000-06-30 | Fuji Electric Co Ltd | Bobbin for producing electrophotographic photoreceptor and its production |
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| CN1664013A (en) | 2005-09-07 |
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