CN107962758A - The production method of POM/PEEK block copolymers - Google Patents
The production method of POM/PEEK block copolymers Download PDFInfo
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- CN107962758A CN107962758A CN201610934156.6A CN201610934156A CN107962758A CN 107962758 A CN107962758 A CN 107962758A CN 201610934156 A CN201610934156 A CN 201610934156A CN 107962758 A CN107962758 A CN 107962758A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/49—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using two or more extruders to feed one die or nozzle
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G81/00—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
- C08G81/02—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers at least one of the polymers being obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C08G81/024—Block or graft polymers containing sequences of polymers of C08C or C08F and of polymers of C08G
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/926—Flow or feed rate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses a kind of preparation method of POM/PEEK block copolymers:Acetal resin and polyether-ether-ketone are put into first, second extruder respectively;Then, acetal resin is heated liquid by thermosetting acetal resin, and polyether-ether-ketone is heated liquid by thermosetting polyether-ether-ketone;Then, polyether-ether-ketone hot melt liquid reacts with acetal resin hot melt liquid, generates POM/PEEK block copolymer pyrosols;POM/PEEK block copolymer pyrosols are cooled and shaped to obtain POM/PEEK block copolymer blocks;POM/PEEK block copolymer blocks are chopped into particle, packing is transported.POM/PEEK block copolymeric impacts intensity that the present invention generates is high, bending modulus is strong, and tensile strength is high, washing shrinkage is low.
Description
Technical field
The invention belongs to plastics arts, in terms of being related to high performance plastics modification, relate in particular to a kind of POM/
The production method of PEEK block copolymers.
Background technology
At present, in order to which the plastics of exhaust gas and waste and old kitchen-can bag are recycled, it is produced into modeling again
Material, can be generally processed using plastic extruder.In the prior art, different plastic materials thermal property is inherently held by it, must
Thermal change processing must be carried out under different temperature ranges.Wherein, POM(Acetal resin)It is only capable of leading to as acetal resin material
Cross 165 DEG C or so of middle low temperature and carry out thermal change processing, there are impact strength is low, bending modulus for the product that its extrusion molding is obtained
Weak, the problem of tensile strength is low, washing shrinkage is high.Therefore, how PEEK is passed through(Polyether-ether-ketone)Traditional acetal resin is moulded
Glue carries out property modification, production is a kind of to have that impact strength is high, bending modulus is strong, and tensile strength is high, the low characteristic of washing shrinkage
POM/PEEK block copolymers, are the directions that those skilled in the art need to study to overcome the above problem.
The content of the invention
The invention discloses a kind of plastic material blending extrusion machine, to improve the machinery of POM plastic cement thermal change converted products
Performance, improves its lubricity, creep resistance, corrosion resistance, fatigue durability, radiation resistance.
Technical solution is as follows used by plastic material blending extrusion machine:
A kind of plastic material blending extrusion machine, including:Pelleter, blow dryer, bosh, the first extruder, the second extrusion
Machine, first adjust feeding device, the second adjusting feeding device and control cabinet for power distribution.Wherein, first extruder includes first
Material bin, the first motor, the first heating tube;Described first, which adjusts feeding device, includes the first feed accommodating cavity, the first feed rotation
Into screw rod and the first motor for feeding;The input terminal of output terminal connection the first feed accommodating cavity of first material bin;Described
The output terminal of one feed accommodating cavity connects the input terminal of the first heating tube;The first feed precession screw rod, which is arranged on the first feed, to be held
Put intracavitary and extend along input terminal to the direction of output terminal of the first feed accommodating cavity;The first motor for feeding connection first
It is fed precession screw rod, the feed precession screw rod rotation of driving first;The output terminal of first heating tube connects the defeated of bosh
Enter end;The input terminal of dryer is blown in the output terminal connection of the bosh;The pelleter blows the defeated of dryer described in being arranged on
Outlet;It is equipped with first heating tube along the first axially extending precession screw rod of tube body;First motor connection, first rotation
Into screw rod, driving the first precession screw rod rotation.Second extruder include the second material bin, the second motor, the second heating tube,
Bend pipe;Described second, which adjusts feeding device, includes the second feed accommodating cavity, the second feed precession screw rod and the second motor for feeding;Institute
State the input terminal of output terminal connection the second feed accommodating cavity of the first material bin;The output terminal connection of the second feed accommodating cavity
The input terminal of second heating tube;The second feed precession screw rod is arranged in the second feed accommodating cavity and accommodating along the second feed
The input terminal of chamber to the direction of output terminal extends;The second feed precession of second motor for feeding connection screw rod, driving second supply
Expect the rotation of precession screw rod.Output terminal, the other end that described bend pipe one end connects the second heating tube are connected in the first heating tube
Section;It is equipped with second heating tube along the second axially extending precession screw rod of tube body;Second motor connects the second precession
Screw rod, driving the second precession screw rod rotation.The control cabinet for power distribution with the first extruder, the second extrusion mechatronics, is controlled respectively
Make the first motor, the second motor, the first motor for feeding and the work of the second motor for feeding.
The present invention realizes a kind of production of POM/PEEK block copolymers always according to above-mentioned plastic material blending extrusion machine
Method, the technical solution that it is used are as follows:
A kind of preparation method of POM/PEEK block copolymers, includes the following steps:
S1:Acetal resin particle is put into the first extruder, while polyether-ether-ketone particle is put into the second extruder;
S2:Acetal resin particle is heated liquid in the first extruder by thermosetting acetal resin, and polyether-ether-ketone particle is the
In two extruders liquid is heated by thermosetting polyether-ether-ketone;
S3:Polyether-ether-ketone hot melt liquid is inputted into the first extruder from the second extruder, is quickly mixed with acetal resin hot melt liquid
Occur to heat block copolymerization reaction with rear, generate POM/PEEK block copolymer pyrosols;
S4:POM/PEEK block copolymer pyrosols are cooled and shaped to obtain POM/PEEK block copolymer blocks;
S5:POM/PEEK block copolymer blocks are cut into particle, packing is transported.
Preferably, in above-mentioned POM/PEEK block copolymers preparation method:First extruder includes the first pan feeding
Bucket, the first motor, the first heating tube and first adjust feeding device;Described first adjusts feeding device houses including the first feed
Chamber, the first feed precession screw rod and the first motor for feeding;Second extruder includes the second material bin, the second motor, second
Heating tube, bend pipe and second adjust feeding device;Described second, which adjusts feeding device, includes the second feed accommodating cavity, the second feed
Precession screw rod and the second motor for feeding;In the step S2, acetal resin particle is by entering the first feed in the first material bin
Accommodating cavity, with first feed precession screw rod rotation fall into the first heating tube, in the first heating tube with the first precession screw rod transport
Dynamic, the first heating tube heats acetal resin particle, and acetal resin hot melt liquid is formed in the first heating tube front half section;At the same time
Polyether-ether-ketone particle is by entering the second feed accommodating cavity, falling into second with the rotation of the second feed precession screw rod in the second material bin
Heating tube, heats polyether-ether-ketone particle with the second precession screw motion, the second heating tube in the second heating tube, forms polyethers
Ether ketone heats liquid;In the step S3, polyether-ether-ketone obtained by step S2 heats liquid and flows into first from the second heating pipe end bend pipe
Heating tube stage casing, quickly confuses, polyether-ether-ketone hot melt liquid with acetal resin hot melt liquid in the case where the first precession screw rod rotates stirring
Hot melt block copolymerization reaction occurs with acetal resin hot melt liquid, generates POM/PEEK block copolymer pyrosols.
It is further preferred that the step S1 specifically comprises the following steps:
S11:Start the first extruder and the second extruder;Heating the first heating tube of preheating and the second heating tube respectively;
S12:Adjust the feeding speed ratio of the first extruder, the second extruder;
S13:Adjust the extruded velocity ratio of the first extruder and the second extruder;
S14:Acetal resin particle is put into the first material bin, polyether-ether-ketone particle is put into the second material bin.
It may further be preferable that in the step S11,165 DEG C -185 DEG C are heated to the first heating tube, is heated to second
Pipe is heated to 250 DEG C -320 DEG C.
It may further be preferable that in the step S12, the feeding speed of the first extruder and the second extruder ratio is adjusted
For 1:5-5:1.
It may further be preferable that in the step S12, the extruded velocity of the first extruder and the second extruder ratio is adjusted
For 3:2.
It may further be preferable that in the step S4, the cooling device used is in bosh.
It may further be preferable that in the step S5, the cutting equipment used is pelleter.
Compared with prior art, when the present invention solves the polymerization of height adiabator, high-temperature material does not melt, it is difficult to polymerization
Problem.It obtains POM/PEEK block copolymers while POM primary characteristics are possessed, improve its machinery and chemically
Can, make original material property and usability scope more wide in range.To acetal resin material and polyetheretherketonematerials materials with accurate
Ratio carries out polymerization and confuses, and greatly improves mechanical performances such as tensile strength and the impact resistance degree of acetal resin material etc..
Brief description of the drawings
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings:
Fig. 1 is the dimensional structure diagram of plastic material blending extrusion machine;
Fig. 2 be skim in Fig. 1 pelleter, blow the structure diagram after dryer, bosh;
Fig. 3 is the schematic top plan view of Fig. 2;
The right side that Fig. 4 is Fig. 2 regards internal structure schematic diagram;
Fig. 5 is the left view internal structure schematic diagram of Fig. 2;
Fig. 6 is the work flow diagram for producing POM/PEEK block copolymers.
Each reference numeral and component names correspondence are as follows:
1st, pelleter;2nd, dryer is blown;3rd, bosh;4th, the first extruder;5th, the second extruder;61st, first feed is adjusted
Device;62nd, second feeding device is adjusted;7th, control cabinet for power distribution;41st, the first material bin;42nd, the first motor;43rd, the first heating
Pipe;431st, the first precession screw rod;51st, the second material bin;52nd, the second motor;53rd, the second heating tube;54th, bend pipe;531st, second
Precession screw rod;611st, the first feed accommodating cavity;612nd, the first feed precession screw rod;613rd, the first motor for feeding;621st, second supply
Expect accommodating cavity;622nd, the second feed precession screw rod;623rd, the second motor for feeding.
Embodiment
In order to illustrate more clearly of technical scheme, below in conjunction with attached drawing, the invention will be further described.
Embodiment 1:
As shown in Figs. 1-5:A kind of plastic material blending extrusion machine, including:Pelleter 1, blow dryer 2, bosh 3, first
Extruder 4, the second extruder 5, first adjust feeding device 61, second and adjust feeding device 62 and control cabinet for power distribution 7.Wherein,
The pelleter 1 uses gantry pelleter.3 length of bosh is 4 meters.
First extruder 4 includes the first material bin 41, the first motor 42, the first heating tube 43;Described first is adjusted
Feeding device 61 includes the first feed accommodating cavity 611, first and is fed precession screw rod 612 and the first motor for feeding 613;Described first
The input terminal of output terminal connection the first feed accommodating cavity 611 of material bin 41;The output terminal of the first feed accommodating cavity 611 connects
Connect the input terminal of the first heating tube 43;The first feed precession screw rod 612 is arranged in the first feed accommodating cavity 611 and along the
Input terminal to the direction of output terminal of one feed accommodating cavity 611 extends;First feed of the connection of first motor for feeding 613 precession
Screw rod 612, the feed precession of driving first screw rod 612 rotate;The output terminal of first heating tube 43 connects the defeated of bosh 3
Enter end;The input terminal of dryer 2 is blown in the output terminal connection of the bosh 3;The pelleter 1 blows dryer 2 described in being arranged on
Output terminal;It is equipped with first heating tube 43 along the first axially extending precession screw rod 431 of tube body;First motor 42
Connect the first precession screw rod 431, the first precession screw rod 431 of driving rotates.
Second extruder 5 includes the second material bin 51, the second motor 52, the second heating tube 53, bend pipe 54;Described
Two, which adjust feeding device 62, includes the second feed accommodating cavity 621, second feed precession screw rod 622 and the second motor for feeding 623;Institute
State the input terminal of output terminal connection the second feed accommodating cavity 621 of the first material bin 41;Described second is fed the defeated of accommodating cavity 621
Outlet connects the input terminal of the second heating tube 53;The second feed precession screw rod 622 be arranged in the second feed accommodating cavity 621 and
Input terminal to the direction of output terminal along the second feed accommodating cavity 621 extends;The connection of second motor for feeding 623 second supplies
Material precession screw rod 622, the feed precession of driving second screw rod 622 rotate.Described 54 one end of bend pipe connects the defeated of the second heating tube 53
Outlet, the other end are connected to the stage casing of the first heating tube 43;Be equipped with second heating tube 53 along tube body it is axially extending the
Two precession screw rods 531;Second motor 52 connects the second precession screw rod 431, the second precession screw rod 431 of driving rotates.It is described
Control cabinet for power distribution 7 is electrically connected with the first extruder 4, the second extruder 5 respectively, the first motor 42 of control, the second motor 52, first
613 and second motor for feeding 623 of motor for feeding works.
As shown in Figure 6:Specific work process using the said equipment production POM/PEEK block copolymers is as follows:
Staff is respectively 1 to putting into mass ratio in the first material bin 41 and the second material bin 51:1 acetal resin particle
Fallen into polyether-ether-ketone particle, acetal resin particle from the first material bin 41 in the first adjusting feeding device 61.Polyformaldehyde tree
Fat particle falls into the first accommodating cavity 611 from the first material bin 41.At this time, the first feed of the first motor for feeding 613 driving precession
Screw rod 612 rotates, and makes acetal resin particle fall into the first heating tube 43 with the rotation of the first feed precession screw rod 612.Meanwhile
The second feed precession of second motor for feeding 623 driving screw rod 622 rotates, and makes polyether-ether-ketone particle with the second feed precession screw rod
622 rotation falls into the second heating tube 53.During, control cabinet for power distribution 7 is by controlling the first motor for feeding 613, second to be fed
The rotating ratio of the output power of motor 623, the feed precession of adjustment first screw rod 612 and the second feed precession screw rod 622, realization pair
The proportion adjustment of the feeding rate of acetal resin particle and polyether-ether-ketone particle, makes both feeding speeds reach 1:5-5:1.
Meanwhile first motor 42 and the second motor 52 drive 531 rotary motion of the first precession screw rod 431 and the second precession screw rod respectively,
Acetal resin particle and polyether-ether-ketone particle is driven to move feeding in the first heating tube 43 and the second heating tube 53 respectively.Match somebody with somebody
Electrical control cabinet 7 passes through the first motor 42 of adjusting and the output power of the second motor 52,431 and second rotation of the first precession screw rod of control
Rotating ratio into screw rod 531 reaches 3:2, make acetal resin particle and polyether-ether-ketone particle add in the first heating tube 43 and second
With 3 in heat pipe 53:2 speed transmission.During, the first heating tube 43 is broken by the acetal resin in the first heating tube 43
Grain is heated to about 165 DEG C, forms it into and acetal resin hot melt liquid;Meanwhile second heating tube 53 will be located at the second heating tube
The high temperature that polyether-ether-ketone particle in 53 is heated to about 320 DEG C forms it into polyether-ether-ketone hot melt liquid, 360 DEG C of polyether-ether-ketone heat
Liquation moves to the end of the second heating tube 53, enters the stage casing of the first heating tube 43, the polyformaldehyde tree with 165 DEG C by bend pipe 54
Fat hot melt liquid reacts under the stirring of the first precession screw rod 431, generates POM/PEEK block copolymer pyrosols;And from
The end of first heating tube 43 extrudes into water cooling in bosh 3 and is shaped to POM/PEEK block copolymers.The subsequent POM/
PEEK block copolymers dry up through blowing dryer 2, will finally be air-dried by pelleter 1 after POM/PEEK block copolymer blocks by finger
Determine mesh number to be shredded, and pack and transport.
Compared with the product that the prior art is produced, Pass through above-mentioned technical proposal generation, the inspection of its every physical characteristic
It is as follows to survey data comparison:
Material name | Notch shock KJ/M2 | Bending strength MPA | Bending modulus MPA | Tensile strength MPA | Yield elongation rate % |
POM M90 | 6.2 | 87 | 2550 | 65 | 10 |
POM/PEEK | 13 | 116 | 3200 | 98 | 8 |
Obviously, POM/PEEK block copolymers are strong with impact strength height, bending modulus relative to traditional POM materials.Stretching
The characteristic that intensity is high, washing shrinkage is low.
The above, is only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any ripe
The technical staff of art technology is known in technical scope disclosed by the invention, the change or replacement that can be readily occurred in, should all contain
Cover within protection scope of the present invention.Protection scope of the present invention is subject to the protection domain of claims.
Claims (8)
1. a kind of preparation method of POM/PEEK block copolymers, it is characterised in that include the following steps:
S1:Acetal resin particle is put into the first extruder, while polyether-ether-ketone particle is put into the second extruder;
S2:Acetal resin particle is heated liquid in the first extruder by thermosetting acetal resin, and polyether-ether-ketone particle is the
In two extruders liquid is heated by thermosetting polyether-ether-ketone;
S3:Polyether-ether-ketone hot melt liquid is inputted into the first extruder from the second extruder, is quickly mixed with acetal resin hot melt liquid
Occur to heat block copolymerization reaction with rear, generate POM/PEEK block copolymer pyrosols;
S4:POM/PEEK block copolymer pyrosols are cooled and shaped to obtain POM/PEEK block copolymer blocks;
S5:POM/PEEK block copolymer blocks are cut into particle, packing is transported.
A kind of 2. preparation method of POM/PEEK block copolymers as claimed in claim 1, it is characterised in that:
First extruder includes the first material bin, the first motor, the first heating tube and first and adjusts feeding device;Described
One, which adjusts feeding device, includes the first feed accommodating cavity, the first feed precession screw rod and the first motor for feeding;Second extrusion
Machine includes the second material bin, the second motor, the second heating tube, bend pipe and second and adjusts feeding device;Described second adjusts feed
Device includes the second feed accommodating cavity, the second feed precession screw rod and the second motor for feeding;
In the step S2, acetal resin particle is by entering the first feed accommodating cavity, being revolved with the first feed in the first material bin
Rotation into screw rod falls into the first heating tube, and with the first precession screw motion in the first heating tube, the first heating tube is to poly- first
Urea formaldehyde particle heats, and acetal resin hot melt liquid is formed in the first heating tube front half section;Polyether-ether-ketone particle is by second at the same time
Enter the second feed accommodating cavity in material bin, fall into the second heating tube with the rotation of the second feed precession screw rod, in the second heating
Polyether-ether-ketone particle is heated with the second precession screw motion, the second heating tube in pipe, forms polyether-ether-ketone hot melt liquid;The step
In rapid S3, polyether-ether-ketone obtained by step S2 heats liquid and flows into the first heating tube stage casing from the second heating pipe end bend pipe, with poly- first
Urea formaldehyde heats liquid and is quickly confused in the case where the first precession screw rod rotates stirring, polyether-ether-ketone hot melt liquid and acetal resin hot melt liquid
Generation hot melt block copolymerization reaction, generates POM/PEEK block copolymer pyrosols.
A kind of 3. preparation method of POM/PEEK block copolymers as claimed in claim 2, it is characterised in that:
The step S1 specifically comprises the following steps:
S11:Start the first extruder and the second extruder;Heating the first heating tube of preheating and the second heating tube respectively;
S12:Adjust the feeding speed ratio of the first extruder, the second extruder;
S13:Adjust the extruded velocity ratio of the first extruder and the second extruder;
S14:Acetal resin particle is put into the first material bin, polyether-ether-ketone particle is put into the second material bin.
A kind of 4. preparation method of POM/PEEK block copolymers as claimed in claim 3, it is characterised in that:The step S11
In, 165 DEG C -185 DEG C are heated to the first heating tube, 320 DEG C -360 DEG C are heated to the second heating tube.
A kind of 5. preparation method of POM/PEEK block copolymers as claimed in claim 3, it is characterised in that:The step S12
In, the feeding speed of the first extruder and the second extruder ratio is adjusted to 1:5-5:1.
A kind of 6. preparation method of POM/PEEK block copolymers as claimed in claim 3, it is characterised in that:The step S12
In, the extruded velocity of the first extruder and the second extruder ratio is adjusted to 3:2.
A kind of 7. preparation method of POM/PEEK block copolymers as claimed in claim 3, it is characterised in that:The step S4
In, the cooling device used is in bosh.
A kind of 8. preparation method of POM/PEEK block copolymers as claimed in claim 4, it is characterised in that:The step S5
In, the cutting equipment used is pelleter.
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