CN111849154A - Preparation method of novel nylon - Google Patents
Preparation method of novel nylon Download PDFInfo
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- CN111849154A CN111849154A CN202010715947.6A CN202010715947A CN111849154A CN 111849154 A CN111849154 A CN 111849154A CN 202010715947 A CN202010715947 A CN 202010715947A CN 111849154 A CN111849154 A CN 111849154A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B15/00—Other accessories for centrifuges
- B04B15/02—Other accessories for centrifuges for cooling, heating, or heat insulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
- B04B9/02—Electric motor drives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
- C08F255/02—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms
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Abstract
The invention discloses a preparation method of novel nylon, belonging to the technical field of nylon preparation, and the preparation method of the novel nylon comprises the following steps: 100 parts of 2-isopropenyl oxazoline: 3-5 parts of succinic anhydride: 2-3 parts of DCP: 0.3-0.5 parts of antioxidant 1010: 0.2-0.7 part of ethylene-butylene-1-and 0.5-0.7 part of EBS lubricant, wherein 1-butylene is centrifugally stirred in an ice-water bath centrifugal device to realize the mixing of functionalized ethylene/1-butylene and nylon 6 to generate an interchain polymer, so that the nylon 6 has excellent water resistance, and the functionalized ethylene/1-butylene is prepared by adding a functional monomer 2-isopropenyl oxazoline with water resistance and a monomer with a toughening function with a coordinating effect in the extrusion process of ethylene/1-butylene, and simultaneously succinic anhydride is grafted on the molecular chain of ethylene/1-butylene under the action of DCP to generate grafting reaction, thereby improving the water resistance of the nylon 6 and further improving the toughness and the electrical property of the nylon 6 to a greater extent.
Description
Technical Field
The invention relates to the technical field of nylon preparation, in particular to a preparation method of novel nylon.
Background
The ethylene/1-butylene is a polymer formed by copolymerizing ethylene and 1-butylene, has better physical and mechanical properties, and is widely applied to the aspects of films, pipes, wires and cables, injection-molded products and the like. Nylon 6 is a thermoplastic polymer containing amide genes, and because amide groups are hydrophilic genes, unmodified nylon 6 products have poor water resistance, large water absorption, poor moisture resistance and poor product dimensional stability. The unmodified nylon 6 product has poor water resistance, and various mechanical properties and electrical properties of the nylon 6 product are also influenced. The water resistance of nylon 6 is improved by adding glass fiber into nylon 6 by a blending method, but the method has the defect that although the water absorption of nylon 6 is improved by adding the glass fiber, the impact strength of nylon 6 is greatly reduced.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a preparation method of novel nylon, which is characterized in that functionalized ethylene/1-butylene is mixed with nylon 6 to generate an interchain polymer, so that the nylon 6 has excellent water resistance, and the functionalized ethylene/1-butylene is prepared by adding a functional monomer 2-isopropenyl oxazoline with water resistance and a monomer with a toughening function with a coordinating effect in the process of extruding ethylene/1-butylene, and simultaneously succinic anhydride is subjected to a grafting reaction on the molecular chain of ethylene/1-butylene under the action of DCP, so that the water resistance of the nylon 6 is improved, and the toughness and the electrical property of the nylon 6 are also improved to a greater extent.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A preparation method of novel nylon comprises the following steps of: 100 parts of 2-isopropenyl oxazoline: 3-5 parts of succinic anhydride: 2-3 parts of DCP: 0.3-0.5 parts of antioxidant 1010: 0.2 to 0.7 portion of EBS lubricant and 0.5 to 0.7 portion of EBS lubricant.
Further, S11, centrifuging 1-butene in an ice-water bath centrifuge to stir the plate, and then extruding the centrifuged 1-butene on a twin-screw extruder with a length-to-diameter ratio L/D =48, wherein the extruder has 12 sections and 3 feed inlets, the 1 st feed inlet a1 is located at 1D of the 1 st section of the extruder, the 2 nd feed inlet B1 is located at 5D of the 5 th section of the extruder, and the 3 rd feed inlet C1 is located at 7D of the 7 th section of the extruder;
s12, feeding ethylene/1-butene at a feed rate of 85kg/h into a feed inlet A1 at a first zone 1D of a twin-screw extruder running at 120 r/min;
s13, mixing 2-ethyl propylene oxazoline, (2.7-octadiene-1-yl) succinic anhydride and DCP according to the method proportion, adding the mixture into a feed inlet B at a position of a fifth section 5D of a double-screw extruder at a feed rate of 5.8kg/h under the pressure of 1.0-1.4MPa, carrying out grafting reaction on an ethylene/1-butene molecular chain, increasing the processing temperature of the extruder from 100 ℃ of the first section to 210 ℃ of an eighth section, and gradually reducing the extrusion temperature of the tail section of the extruder to about 150 ℃;
s14, mixing the antioxidant 1010 and the EBS lubricant, adding the mixture into a feed inlet C at the position of an extruder 7D at a feed rate of 0.48kg/h, and taking out the mixture after the reaction is completed.
Further, the nylon 6 implementation method comprises the following steps: 100 parts, functionalized ethylene/1-butene: 5-6 parts of antioxidant 10100.2-0.25 part of EBS lubricant: 0.5-0.7 part of nylon 6, S21, and drying the nylon 6 in a forced air drying oven at 80 ℃ for 6 hours for later use;
s22, extruding the mixture on a double-screw extruder with the length-diameter ratio L/D =48, wherein the extruder is divided into 12 sections, and 1 feed inlet A2 is positioned at 1D of the first section of the extruder;
s23, sequentially adding the dried nylon 6, the functionalized ethylene/1-butene, the antioxidant 1010 and the lubricant EBS into a high-speed mixing stirrer, mixing for 8-10min, adding the uniformly mixed mixture into a 1D feed port A2 on an extruder at the running speed of 150r/min at the feeding rate of 90kg/h, and taking out after the reaction is completed.
Further, a comparative method of said nylon 6.
5. Further, the nylon 6: 100 parts of glass fiber, 15-20 parts of antioxidant 1010: 0.2 to 0.3 portion of EBS lubricant and 0.5 to 0.7 portion of EBS lubricant. The implementation process comprises the following steps:
s31, placing the nylon 6 in a forced air drying oven at 80 ℃ for drying for 6 hours for later use;
s32, extruding on a double-screw extruder with the length-diameter ratio L/D =48, wherein the extruder is divided into 12 sections, and 1 feed inlet is positioned at 1D of the first section of the extruder;
s33, adding nylon 6, glass fiber, antioxidant 1010 and EBS lubricant into a high-speed mixer in sequence according to the method proportion, mixing for 8-10min, adding into a 1D feed port A3 of a double-screw extruder with the running speed of 180r/min according to the feeding speed of 85kg/h, and taking out after the reaction is completed.
Further, in the S11, the ice-water bath centrifugal device comprises a base (1), a fixing groove (2) is formed in the upper end of the base (1), a supporting barrel (3) is fixedly connected to the upper end of the base (1), a sealing box (4) is fixedly connected to the upper end of the supporting barrel (3), a motor (5) is fixedly connected to the inner wall of the sealing box (4), a transmission rod (6) is fixedly connected to the output end of the motor (5), the transmission rod (6) extends to the inner wall of the sealing box (4), two first gears (7) are fixedly connected to the side wall of the transmission rod (6) in the inner cavity of the sealing box (4), a supporting plate (8) is fixedly connected to the side wall of the sealing box (4), a U-shaped isolation plate (9) is fixedly connected to the upper end of the supporting plate (8), and a first sliding groove (10) is formed in the inner wall of, the sealing box is characterized in that a first ball (11) is connected to the first chute (10) in a sliding manner, a first supporting block (12) is fixedly connected to the inner wall of the bottom end of the sealing box (4), a second supporting block (13) is fixedly connected to the inner wall of the U-shaped partition plate (9), a second chute (14) is formed in the upper end of the second supporting block (13), a second ball (15) is connected to the second chute (14) in a sliding manner, a centrifugal barrel (16) penetrating through the symmetrical side walls of the sealing box (4) is movably connected to the middle of the sealing box, two second gears (17) are fixedly connected to the side walls of the centrifugal barrel (16), the second gears (17) are meshed with the first gear (7), a centrifugal hole (18) is formed in the side wall of the centrifugal barrel (16), a separation membrane (19) is fixedly connected to the inner wall of the centrifugal barrel (16), and an outlet (20) is fixedly connected, the upper end of the centrifugal barrel (16) is clamped with a fixed cover (21).
Furthermore, the side walls of the seal box (4), the U-shaped isolation plate (9) and the support plate (8) are provided with through holes matched with the centrifugal barrel (16), and the centrifugal barrel (16) is connected with the support plate (8) and the U-shaped isolation plate (9) and is provided with a sealing gasket (22).
Furthermore, the fixing groove (2) and the U-shaped isolation plate (9) are in the same straight line.
Furthermore, the upper end of the seal box (4) is fixedly connected with an inlet valve, and the side wall of the seal box (4) is fixedly connected with an outlet valve.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) according to the scheme, the functionalized ethylene/1-butylene and nylon 6 are mixed to generate an interchain polymer, so that the nylon 6 has excellent water resistance, the functionalized ethylene/1-butylene is added with a functional monomer 2-isopropenyl oxazoline with water resistance and a monomer with a toughening function with a coordination effect in the process of extruding the ethylene/1-butylene, and meanwhile, succinic anhydride is grafted on an ethylene/1-butylene molecular chain under the action of DCP to generate a grafting reaction, so that the water resistance of the nylon 6 is improved, and the toughness and the electrical property of the nylon 6 are improved to a greater extent.
Drawings
FIG. 1 is a schematic structural view of an ice-water bath centrifugal apparatus according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 4;
FIG. 3 is an enlarged view of the portion B in FIG. 4;
FIG. 4 is a top view of section C-C of FIG. 4;
FIG. 5 is a left side view of the interior of the enclosure of the present invention;
FIG. 6 is a top view of a second support block of the present invention;
FIG. 7 is a sectional view of a twin-screw extruder in S11, S21, S31 of the present invention.
The reference numbers in the figures illustrate:
1. a base; 2. fixing grooves; 3. a support tub; 4. a sealing box; 5. a motor; 6. a transmission rod; 7. a first gear; 8. a support plate; 9. a U-shaped isolation plate; 10. a first chute; 11. a first ball bearing; 12. a first support block; 13. a second support block; 14. a second chute; 15. a second ball bearing; 16. a centrifuge bucket; 17. a second gear; 18. a centrifugal hole; 19. a separation membrane; 20. an outlet; 21. a fixed cover; 22. and a gasket.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-7, a method for preparing a novel nylon includes ethylene/1-butene: 100 parts of 2-isopropenyl oxazoline: 3-5 parts of succinic anhydride: 2-3 parts of DCP: 0.3-0.5 parts of antioxidant 1010: 0.2-0.7 part of EBS lubricant and 0.5-0.7 part of EBS lubricant, comprising the following steps:
s11, centrifuging 1-butene in an ice-water bath centrifugal device to stir plates, and then extruding the centrifuged 1-butene on a double-screw extruder with the length-diameter ratio L/D =48, wherein the extruder is provided with 12 sections and 3 feed inlets, the 1 st feed inlet A1 is positioned at 1D of the 1 st section of the extruder, the 2 nd feed inlet B1 is positioned at 5D of the 5 th section of the extruder, and the 3 rd feed inlet C1 is positioned at 7D of the 7 th section of the extruder;
s12, feeding ethylene/1-butene at a feed rate of 85kg/h into a feed inlet A1 at a first zone 1D of a twin-screw extruder running at 120 r/min;
s13, mixing 2-ethylpropyloxazoline, (2.7-octadien-1-yl) succinic anhydride and DCP according to the method proportion, adding the mixture into a feed port B1 positioned at the fifth section 5D of a double screw extruder under the pressure of 1.0-1.4MPa at the feeding rate of 5.8kg/h, carrying out grafting reaction on an ethylene/1-butene molecular chain, wherein the ethylene/1-butene after grafting reaction is subjected to grafting reaction, because the molecular chain is grafted with 2-ethylpropyloxazoline introduced with an electrophilic functional group and (2.7-octadien-1-yl) succinic anhydride introduced with a toughening electrophilic functional group, the functionalized ethylene/1-butene is blended with nylon 6, nucleophilic group amide groups on the molecular chain of the nylon 6 are mixed with the electrophilic functional group of the ethylene/1-butene molecular chain, and, The succinic anhydride groups form covalent bonds, thereby forming a linked copolymer. Thereby improving the water resistance of the nylon 6, and also greatly improving the toughness and the electrical property of the nylon 6, wherein the processing temperature of the extruder is increased from 100 ℃ in the first section to 210 ℃ in the eighth section, and the extrusion temperature of the tail section of the extruder is gradually reduced to about 150 ℃;
s14, mixing the antioxidant 1010 and the EBS lubricant, adding the mixture into a feed inlet C1 at the position of an extruder 7D at a feed rate of 0.48kg/h, and taking out the mixture after the reaction is completed, wherein the process temperature of each section of the twin-screw extruder is as follows:
section, section
100℃—105℃ 130℃—140℃ 150℃—160℃ 170℃—180℃
Section (c)
180℃—190℃ 190℃—200℃ 190℃—200℃ 210℃
190℃—200℃ 180℃—190℃ 170℃—180℃ 150℃。
S11 ice water bath centrifugal device comprises a base 1, a fixed groove 2 is arranged at the upper end of the base 1, a support barrel 3 is fixedly connected at the upper end of the base 1, a seal box 4 is fixedly connected at the upper end of the support barrel 3, an inlet valve is fixedly connected at the upper end of the seal box 4, an outlet valve is fixedly connected at the side wall of the seal box 4, ice water cooling liquid in a first chute 10 can be continuously replaced conveniently, a motor 5 is fixedly connected at the inner wall of the seal box 4, a transmission rod 6 is fixedly connected at the output end of the motor 5, the transmission rod 6 extends to the inner wall of the seal box 4, two first gears 7 are fixedly connected at the side wall of the inner cavity of the seal box 4, a support plate 8 is fixedly connected at the side wall of the seal box 4, a U-shaped isolation plate 9 is fixedly connected at the upper end of the support plate 8, wherein the circles of the fixed groove 2, the inner wall of the bottom end of the seal box 4 is provided with a first chute 10, the first chute 10 is connected with a first ball 11 in a sliding way, the inner wall of the bottom end of the seal box 4 is fixedly connected with a first supporting block 12, the inner wall of the U-shaped isolation plate 9 is fixedly connected with a second supporting block 13, the upper end of the second supporting block 13 is provided with a second chute 14, the second chute 14 is connected with a second ball 15 in a sliding way, the middle part of the seal box 4 is movably connected with a centrifugal barrel 16 penetrating through the symmetrical side wall thereof, wherein the side walls of the seal box 4, the U-shaped isolation plate 9 and the supporting plate 8 are provided with through holes matched with the centrifugal barrel 16, the centrifugal barrel 16 is connected with the supporting plate 8 and the U-shaped isolation plate 9 and is provided with a sealing gasket 22, ice water leaks when the centrifugal barrel 16 is placed to rotate, the side wall of the centrifugal barrel 16 is fixedly connected with two second gears 17, the, the inner wall of the centrifugal barrel 16 is fixedly connected with a separation membrane 19, the lower end of the centrifugal barrel 16 is fixedly connected with an outlet 20, and the upper end of the centrifugal barrel 16 is clamped with a fixed cover 21.
When the ice-water bath centrifugal device is used, a person skilled in the art places the base 1 on a flat surface, connects the motor 5 with an external power supply and starts the device, then pours ethylene into a centrifugal barrel 16 in the ice-water bath centrifugal device, covers the fixed cover 21, then the motor 5 drives the first gear 7 through the transmission rod 6, the first gear 7 drives the centrifugal barrel 16 to rotate through the second gear 17, the centrifugal barrel 16 rotates for 30 seconds, then ice water is poured into the sealed box 4 from an inlet valve, the centrifugal operation is continuously carried out until ethylene is left in the centrifugal barrel 16, the sealing gasket 22 isolates the ethylene during the centrifugal operation, redundant impurities are discharged into the ice water, and the stirring, cooling and centrifugal operation steps are all arranged in the same step, so as to avoid stirring by the stirring rod, then cooling, finally centrifuging, and simultaneously prevent the inner walls of the stirring rod, the stirring bottle, the cooling box and the like from being stained with solution to influence the configuration of the ethylene, and finally, stopping rotating, wherein in the rotating process, the first supporting block 12 and the second supporting block 13 support the second gear 17, so that the centrifugal barrel 16 is lifted, and meanwhile, the first ball 11 and the second ball 15 reduce the friction force in the rotating process of the centrifugal barrel 16, so that the service life of the centrifugal barrel is prolonged, impurities in ethylene materials are clear, and the purity of ethylene is improved.
Example 2:
referring to fig. 7, the experimental method includes: nylon 6: 100 parts, functionalized ethylene/1-butene: 5-6 parts of antioxidant 10100.2-0.25 part of EBS lubricant: 0.5-0.7 parts: s21, drying the nylon 6 in a forced air drying oven at 80 ℃ for 6 hours for later use;
s22, extruding the mixture on a double-screw extruder with the length-diameter ratio L/D =48, wherein the extruder is divided into 12 sections, and 1 feed inlet A2 is positioned at 1D of the first section of the extruder;
s23, sequentially adding dried nylon 6, functionalized ethylene/1-butene, an antioxidant 1010 and a lubricant EBS into a high-speed mixing stirrer, mixing for 8-10min, adding the uniformly mixed mixture into a 1D feed port A2 on an extruder at the running speed of 150r/min at a feeding rate of 90kg/h, and taking out after complete reaction, wherein the process temperature of each section of the twin-screw extruder is as follows:
section, section
130℃—140℃ 150℃—160℃ 200℃—210℃ 240℃—250℃
Section (c)
260℃—270℃ 270℃—280℃ 260℃—270℃ 230℃—240℃
210℃—220℃ 200℃—210℃ 180℃—190℃ 170℃—180℃。
Example 3:
referring to fig. 7, a comparative process (using blending, adding glass fibers) includes: nylon 6: 100 parts of glass fiber, 15-20 parts of antioxidant 1010: 0.2 to 0.3 portion of EBS lubricant and 0.5 to 0.7 portion of EBS lubricant. The implementation process comprises the following steps:
s31, placing the nylon 6 in a forced air drying oven at 80 ℃ for drying for 6 hours for later use;
s32, extruding on a double-screw extruder with the length-diameter ratio L/D =48, wherein the extruder is divided into 12 sections, and 1 feed inlet is positioned at 1D of the first section of the extruder;
s33, sequentially adding nylon 6, glass fiber, antioxidant 1010 and EBS lubricant into a high-speed mixer according to the method proportion, mixing for 8-10min, adding into a 1D feed port A3 of a double-screw extruder with the running speed of 180r/min according to the feeding speed of 85kg/h, taking out after complete reaction, wherein the process temperature of each section of the double-screw extruder is as follows:
section, section
130℃—140℃ 170℃—180℃ 210℃—220℃ 220℃—230℃
Section (c)
230℃—240℃ 245℃—250℃ 250℃—260℃ 240℃—250℃
210℃—220℃ 200℃—210℃ 190℃—200℃ 170℃—180℃。
Typical performance comparison table:
the foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (9)
1. A preparation method of novel nylon is characterized by comprising the following steps: including ethylene/1-butene: 100 parts of 2-isopropenyl oxazoline: 3-5 parts of succinic anhydride: 2-3 parts of DCP: 0.3-0.5 parts of antioxidant 1010: 0.2 to 0.7 portion of EBS lubricant and 0.5 to 0.7 portion of EBS lubricant.
2. The method for preparing a novel nylon according to claim 1, wherein the method comprises the following steps: the method comprises the following steps:
s11, centrifuging 1-butene in an ice-water bath centrifugal device to stir plates, and then extruding the centrifuged 1-butene on a double-screw extruder with the length-diameter ratio L/D =48, wherein the extruder is provided with 12 sections and 3 feed inlets, the 1 st feed inlet A1 is positioned at 1D of the 1 st section of the extruder, the 2 nd feed inlet B1 is positioned at 5D of the 5 th section of the extruder, and the 3 rd feed inlet C1 is positioned at 7D of the 7 th section of the extruder;
s12, feeding ethylene/1-butene at a feed rate of 85kg/h into a feed inlet A1 at a first zone 1D of a twin-screw extruder running at 120 r/min;
s13, mixing 2-ethyl propylene oxazoline, (2.7-octadiene-1-yl) succinic anhydride and DCP according to the method proportion, adding the mixture into a feed inlet B at a position of a fifth section 5D of a double-screw extruder at a feed rate of 5.8kg/h under the pressure of 1.0-1.4MPa, carrying out grafting reaction on an ethylene/1-butene molecular chain, increasing the processing temperature of the extruder from 100 ℃ of the first section to 210 ℃ of an eighth section, and gradually reducing the extrusion temperature of the tail section of the extruder to about 150 ℃;
s14, mixing the antioxidant 1010 and the EBS lubricant, adding the mixture into a feed inlet C at the position of an extruder 7D at a feed rate of 0.48kg/h, and taking out the mixture after the reaction is completed.
3. The method for preparing a novel nylon according to claim 1, wherein the method comprises the following steps: the method comprises the following experimental methods: nylon 6: 100 parts, functionalized ethylene/1-butene: 5-6 parts of antioxidant 10100.2-0.25 part of EBS lubricant: 0.5 to 0.7 portion.
4. The method for preparing a novel nylon according to claim 3, wherein the method comprises the following steps: the experimental procedure included the following steps:
s21, drying the nylon 6 in a forced air drying oven at 80 ℃ for 6 hours for later use;
s22, extruding the mixture on a double-screw extruder with the length-diameter ratio L/D =48, wherein the extruder is divided into 12 sections, and 1 feed inlet A2 is positioned at 1D of the first section of the extruder;
s23, sequentially adding the dried nylon 6, the functionalized ethylene/1-butene, the antioxidant 1010 and the lubricant EBS into a high-speed mixing stirrer, mixing for 8-10min, adding the uniformly mixed mixture into a 1D feed port A2 on an extruder at the running speed of 150r/min at the feeding rate of 90kg/h, and taking out after the reaction is completed.
5. The method for preparing a novel nylon according to claim 1, wherein the method comprises the following steps: the method comprises the following steps: nylon 6: 100 parts of glass fiber, 15-20 parts of antioxidant 1010: 0.2-0.3 part of EBS lubricant and 0.5-0.7 part of EBS lubricant; the implementation process comprises the following steps:
s31, placing the nylon 6 in a forced air drying oven at 80 ℃ for drying for 6 hours for later use;
s32, extruding on a double-screw extruder with the length-diameter ratio L/D =48, wherein the extruder is divided into 12 sections, and 1 feed inlet is positioned at 1D of the first section of the extruder;
s33, adding nylon 6, glass fiber, antioxidant 1010 and EBS lubricant into a high-speed mixer in sequence according to the method proportion, mixing for 8-10min, adding into a 1D feed port A3 of a double-screw extruder with the running speed of 180r/min according to the feeding speed of 85kg/h, and taking out after the reaction is completed.
6. The method for preparing a novel nylon according to claim 2, wherein the method comprises the following steps: the ice-water bath centrifugal device in the S11 comprises a base (1), a fixing groove (2) is formed in the upper end of the base (1), a supporting barrel (3) is fixedly connected to the upper end of the base (1), a sealing box (4) is fixedly connected to the upper end of the supporting barrel (3), a motor (5) is fixedly connected to the inner wall of the sealing box (4), a transmission rod (6) is fixedly connected to the output end of the motor (5), the transmission rod (6) extends to the inner wall of the sealing box (4), two first gears (7) are fixedly connected to the side wall, located in the inner cavity of the sealing box (4), of the transmission rod (6), a supporting plate (8) is fixedly connected to the side wall of the sealing box (4), a U-shaped partition plate (9) is fixedly connected to the upper end of the supporting plate (8), and a first sliding groove (10) is formed in the, the sealing box is characterized in that a first ball (11) is connected to the first chute (10) in a sliding manner, a first supporting block (12) is fixedly connected to the inner wall of the bottom end of the sealing box (4), a second supporting block (13) is fixedly connected to the inner wall of the U-shaped partition plate (9), a second chute (14) is formed in the upper end of the second supporting block (13), a second ball (15) is connected to the second chute (14) in a sliding manner, a centrifugal barrel (16) penetrating through the symmetrical side walls of the sealing box (4) is movably connected to the middle of the sealing box, two second gears (17) are fixedly connected to the side walls of the centrifugal barrel (16), the second gears (17) are meshed with the first gear (7), a centrifugal hole (18) is formed in the side wall of the centrifugal barrel (16), a separation membrane (19) is fixedly connected to the inner wall of the centrifugal barrel (16), and an outlet (20) is fixedly connected, the upper end of the centrifugal barrel (16) is clamped with a fixed cover (21).
7. The method for preparing a novel nylon according to claim 6, wherein the method comprises the following steps: the side walls of the seal box (4), the U-shaped isolation plate (9) and the support plate (8) are provided with through holes matched with the centrifugal barrel (16), and the centrifugal barrel (16) is connected with the support plate (8) and the U-shaped isolation plate (9) and is provided with a sealing gasket (22).
8. The method for preparing a novel nylon according to claim 6, wherein the method comprises the following steps: the fixing groove (2) and the U-shaped isolation plate (9) are in the same straight line.
9. The method for preparing a novel nylon according to claim 6, wherein the method comprises the following steps: the upper end of the seal box (4) is fixedly connected with an inlet valve, and the side wall of the seal box (4) is fixedly connected with an outlet valve.
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