CN112250908A - Compound calcium-zinc stabilizer and preparation method thereof - Google Patents

Abstract

The invention discloses a compound calcium-zinc stabilizer and a preparation method thereof, and the compound calcium-zinc stabilizer comprises a feeding hopper, wherein a flow guide box is fixedly arranged at the bottom end of the feeding hopper, a mixing box is fixedly arranged at the bottom end of the flow guide box, a storage box is fixedly arranged at the bottom end of the mixing box, a plurality of material distribution hoppers are divided inside the feeding hopper, two screw rod seats A are fixedly arranged on one side of the top end of each material distribution hopper, two screw rod seats B are fixedly arranged on the other side of the top end of each material distribution hopper, a screw rod A is rotatably connected between the two screw rod seats A, and a screw rod B is rotatably connected between the two screw rod seats B. Prevent raw materials from hardening or raw materials from being directly processed with larger particles, thereby ensuring the quality of products.

Description

Compound calcium-zinc stabilizer and preparation method thereof

Technical Field

The invention relates to a compound calcium-zinc stabilizer and a preparation method thereof, in particular to a preparation device of the compound calcium-zinc stabilizer, and belongs to the technical field of stabilizer preparation.

Background

Stabilizers in a broad sense, chemicals that increase the stability of solutions, colloids, solids, and mixtures are called stabilizers. It can slow down reaction, maintain chemical equilibrium, reduce surface tension, and prevent photo, thermal or oxidative decomposition. The generalized chemical stabilizer has very wide sources, and can flexibly use any chemical to achieve the aim of stabilizing the product quality according to the design purpose of a formula designer. In a narrow sense, it mainly means a reagent for keeping high polymer plastics, rubbers, synthetic fibers, etc. stable and preventing decomposition and degradation thereof.

The existing stabilizer is generally formed by mixing and blending single calcium stearate and single zinc stearate, the stability is poor, the mechanical strength is low, the manufacturing cost is high, the large-scale production is not facilitated, meanwhile, in the production and processing process of the calcium-zinc stabilizer, multiple raw materials need to be mixed for production and processing, the mixed components are more, some raw materials are hardened or particles are larger, the mixed components are directly mixed and processed, the raw materials cannot be in full contact, and the finally synthesized finished product calcium-zinc stabilizer is poor in quality.

Disclosure of Invention

The invention aims to provide a compound calcium-zinc stabilizer and a preparation method thereof, and aims to solve the problem that the quality of a finally synthesized finished product calcium-zinc stabilizer is poor due to insufficient contact between raw materials because some raw materials provided in the background art are hardened or have large particles and are directly mixed and processed.

In order to achieve the purpose, the invention provides the following technical scheme: the compound calcium-zinc stabilizer is characterized by comprising the following components: calcium salt stabilizers, zinc salt stabilizers, hydrotalcite, lubricants, antioxidants, stabilizers, and polyols.

As a preferable technical scheme of the invention, the calcium salt stabilizer comprises 10-20 parts of calcium salt stabilizer, 10-25 parts of zinc salt stabilizer, 20-25 parts of hydrotalcite, 5-15 parts of lubricant, 5-10 parts of antioxidant, 10-15 parts of stabilizer and 5-10 parts of polyalcohol.

As a preferred technical scheme of the invention, the calcium salt stabilizer consists of calcium stearate and calcium oxide, wherein the proportion of the calcium stearate to the calcium oxide is 1.5, and the zinc salt stabilizer consists of zinc stearate and zinc oxide, wherein the proportion of the zinc stearate to the zinc oxide is 1.2.

As a preferred technical scheme of the present invention, the hydrotalcite is a modified hydrotalcite, and the preparation method of the modified hydrotalcite is as follows:

adding a modifier and water into the hydrotalcite after forging, mixing and stirring, refluxing for 5 hours at 90 ℃, filtering by using filter paper, drying the hydrotalcite in an oven for 10 hours at 98 ℃, and grinding to obtain the modified hydrotalcite.

A preparation device of a compound calcium-zinc stabilizer is used for preparing the compound calcium-zinc stabilizer, a flow guide box is fixedly arranged at the bottom end of an inlet hopper, a mixing box is fixedly arranged at the bottom end of the flow guide box, a material storage box is fixedly arranged at the bottom end of the mixing box, a plurality of material distributing hoppers are divided inside the inlet hopper, two screw bases A are fixedly arranged on one side of the top end of each material distributing hopper, two screw bases B are fixedly arranged on the other side of the top end of each material distributing hopper, a screw A is rotatably connected between the two screw bases A, a screw B is rotatably connected between the two screw bases B, one end of the screw A is rotatably connected with the output end of a speed regulating motor, the output end of the speed regulating motor is rotatably connected with a belt pulley fixedly arranged at the end part of one end of the screw B through a belt, sliders are sleeved on the screw A and the screw, the grinding device is characterized in that a motor A is fixedly arranged at the bottom end of the connecting ring on the screw rod A, a motor B is fixedly arranged at the bottom end of the connecting ring on the screw rod seat B, a grinding roller A is fixedly arranged at the output end of the motor A, and a grinding roller B is fixedly arranged at the output end of the motor B.

As a preferred technical scheme of the invention, the cross section of the flow guide box is in an isosceles trapezoid shape, the front surface of the flow guide box is provided with an observation window, the bottom ends of the plurality of material distribution hoppers are respectively provided with a detachable screen, and the mesh diameters of the plurality of screens are different.

As a preferable technical scheme of the invention, a first spiral feeding shaft and a second spiral feeding shaft are arranged inside the mixing box, two ends of the first spiral feeding shaft and two ends of the second spiral feeding shaft are respectively and rotatably connected with bearings embedded on the wall of the mixing box, one end of the first spiral feeding shaft is fixedly connected with the output end of a first driving motor, one end of the second spiral feeding shaft is fixedly connected with the output end of a second driving motor, and a mesh plate is fixedly arranged at the bottom end inside the mixing box.

As a preferred technical solution of the present invention, a switch panel is fixedly disposed on one side of one end of the storage box, a speed-regulating motor switch, a motor a switch, a motor B switch, a first driving motor switch and a second driving motor switch are fixedly disposed on the surface of the switch panel, and the speed-regulating motor, the motor a, the motor B, the first driving motor and the second driving motor are electrically connected to an external power supply through the speed-regulating motor switch, the motor a switch, the motor B switch, the first driving motor switch and the second driving motor switch, respectively.

A preparation method of a compound calcium-zinc stabilizer comprises the following steps:

s1: respectively taking calcium stearate and calcium oxide with the mass ratio of 1.5, keeping the total weight of 15, taking zinc stearate and zinc oxide with the mass ratio of 1.2, keeping the total weight of 15, respectively putting the materials into different screens in a feeding hopper, and grinding and filtering the materials through a grinding roller A and a grinding roller B.

S2: adding a modifier into water after the hydrotalcite is forged, mixing and stirring the mixture, adding the modifier into the mixture, adding the mixture into the mixture, stirring the mixture, refluxing the mixture for 5 hours at 90 ℃, filtering the mixture by using filter paper, drying the mixture in an oven for 10 hours at 98 ℃, grinding the mixture to obtain modified hydrotalcite, and adding the modified hydrotalcite into the mixture when calcium stearate, calcium oxide, zinc stearate and zinc oxide enter a mixing box through a feeding hopper to uniformly mix the mixture with the hydrotalcite, wherein the temperature is kept at 55-60 ℃, and the.

S3: adding 5-15 parts of lubricant, 5-10 parts of antioxidant, 10-15 parts of stabilizer and 5-10 parts of polyol into a mixing box, mixing and stirring at 65 ℃ for 20 minutes, and cooling.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention relates to a compound calcium-zinc stabilizer and a preparation method thereof, wherein single-component calcium stearate is mixed with calcium oxide to form a calcium salt stabilizer, single-component zinc stearate and zinc oxide form a zinc salt stabilizer, and hydrotalcite, a lubricant, an antioxidant, the stabilizer and polyhydric alcohol are mixed to prepare the stabilizer which has good stability, high mechanical strength, smoothness and full color.

2. According to the compound calcium-zinc stabilizer and the preparation method thereof, the material distributing hopper is used for feeding different raw materials, the screw rod A and the screw rod B synchronously move to enable the crushing roller A and the crushing roller B to move in the same direction, the motor A and the motor B are arranged to respectively drive the crushing roller A and the crushing roller B to crush the raw materials, and the crushed raw materials fall into the mixing box through the screen, so that the raw materials are prevented from being hardened or the raw material particles are prevented from being directly processed, and the quality of the product is guaranteed;

3. according to the compound calcium-zinc stabilizer and the preparation method thereof, the first driving motor and the second driving motor are arranged to drive the first spiral feeding shaft and the second spiral feeding shaft to move respectively, the first spiral feeding shaft and the second spiral feeding shaft move relatively, different raw materials can be mixed more uniformly, the output of materials in the mixing box can be reduced through the arrangement of the screen plate, and the mixing time of the raw materials is prolonged.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a hopper according to the present invention;

FIG. 3 is a schematic top view of the mixing box of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 2 according to the present invention.

In the figure: 1. feeding into a hopper; 2. a flow guide box; 3. a mixing box; 4. a material storage box; 5. a distributing hopper; 6. screening a screen; 7. a lead screw seat A; 8. a lead screw seat B; 9. a lead screw A; 10. a lead screw B; 11. a variable speed motor; 12. a slider; 13. a connecting ring; 14. a crushing roller A; 15. a crushing roller B; 16. a motor A; 17. a motor B; 18. a first screw feed shaft; 19. a second screw feed shaft; 20. a bearing; 21. a first drive motor; 22. a second drive motor; 23. a screen plate; 24. a switch panel; 25. a belt pulley; 26. a belt; 27. and (4) an observation window.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a compound calcium zinc stabilizer and a preparation method thereof, wherein the technical scheme comprises: a compound calcium-zinc stabilizer comprises the following components: calcium salt stabilizers, zinc salt stabilizers, hydrotalcite, lubricants, antioxidants, stabilizers, and polyols.

10-20 parts of calcium salt stabilizer, 10-25 parts of zinc salt stabilizer, 20-25 parts of hydrotalcite, 5-15 parts of lubricant, 5-10 parts of antioxidant, 10-15 parts of stabilizer and 5-10 parts of polyol.

The calcium salt stabilizer consists of calcium stearate and calcium oxide, wherein the proportion of the calcium stearate to the calcium oxide is 1.5, and the zinc salt stabilizer consists of zinc stearate and zinc oxide, wherein the proportion of the zinc stearate to the zinc oxide is 1.2.

The hydrotalcite is modified hydrotalcite, and the preparation method of the modified hydrotalcite comprises the following steps:

adding a modifier and water into the hydrotalcite after forging, mixing and stirring, refluxing for 5 hours at 90 ℃, filtering by using filter paper, drying the hydrotalcite in an oven for 10 hours at 98 ℃, and grinding to obtain the modified hydrotalcite.

A preparation device of a compound calcium zinc stabilizer is used for preparing a compound calcium zinc stabilizer, and comprises an inlet hopper 1, a guide box 2 is fixedly arranged at the bottom end of the inlet hopper 1, a mixing box 3 is fixedly arranged at the bottom end of the guide box 2, a storage box 4 is fixedly arranged at the bottom end of the mixing box 3, a plurality of sub-hoppers 5 are divided inside the inlet hopper 1, two lead screw seats A7 are fixedly arranged at one side of the top end of each sub-hopper 5, two lead screw seats B8 are fixedly arranged at the other side of the top end of each sub-hopper 5, a lead screw A9 is rotatably connected between the two lead screw seats A7, a lead screw B10 is rotatably connected between the two lead screw seats B8, one end of a lead screw A9 is rotatably connected with the output end of a speed regulating motor 11, the output end of the speed regulating motor 11 is rotatably connected with a belt pulley 25 fixedly arranged at one end of a lead screw B10 through a belt 26, a slide block 12, the bottom end of a connecting ring 13 on a lead screw A9 is fixedly provided with a motor A16, the bottom end of the connecting ring 13 on a lead screw seat B8 is fixedly provided with a motor B17, the output end of the motor A16 is fixedly provided with a crushing roller A14, the output end of the motor B17 is fixedly provided with a crushing roller B15, a material distributing hopper 5 is arranged for throwing different raw materials, the lead screw A9 and the lead screw B10 synchronously move, the crushing roller A14 and the crushing roller B15 move in the same direction, the crushing roller A14 and the crushing roller B15 are respectively driven by the motor A16 and the motor B17 to crush the raw materials, the crushed raw materials fall into a mixing box 3 through a screen 6, the raw materials are prevented from being hardened or the raw materials are directly processed in a large particle size, and the quality.

According to the figure 1 and figure 3, the cross section of the diversion box 2 is isosceles trapezoid, the front of the diversion box 2 is provided with an observation window 27, the falling condition of the material is conveniently observed by arranging the observation window 27, the bottom ends of a plurality of branch hoppers 5 are respectively provided with a detachable screen 6, the mesh diameters of a plurality of screen 6 are different, the screen 6 is arranged for screening the raw material, the hardened or large-particle material is prevented from being directly processed, the interior of the mixing box 3 is provided with a first spiral feeding shaft 18 and a second spiral feeding shaft 19, two ends of the first spiral feeding shaft 18 and two ends of the second spiral feeding shaft 19 are respectively rotatably connected with a bearing 20 embedded on the wall of the mixing box 3, the end part of one end of the first spiral feeding shaft 18 is fixedly connected with the output end of a first driving motor 21, the end part of one end of the second spiral feeding shaft 19 is fixedly connected with the output end of a second driving motor 22, first screw feed axle 18 and the 19 relative motion of second screw feed axle can make the raw materials of difference mix more even, and the inside bottom mounting of blending box 3 is equipped with otter board 23, and otter board 23 can reduce the output of material in the blending box 3, the time that the extension raw materials mixes.

According to the drawings of fig. 1, fig. 2 and fig. 4, a switch panel 24 is fixedly arranged on one side of one end of the storage box 4, a speed-regulating motor switch, a motor a switch, a motor B switch, a first driving motor switch and a second driving motor switch are fixedly arranged on the surface of the switch panel 24, the speed-regulating motor 11, the motor a16, the motor B17 and the first driving motor 21 and the second driving motor 22 are respectively electrically connected with an external power supply through the speed-regulating motor switch, the motor a switch, the motor B switch, the first driving motor switch and the second driving motor switch, and the speed-regulating motor 11, the motor a16, the motor B17, the first driving motor 21 and the second driving motor 22 are respectively controlled to work through the speed-regulating motor switch, the motor a16, the motor B17 and the first driving motor 21 and the second driving motor 22 through the speed-regulating motor switch.

A preparation method of a compound calcium-zinc stabilizer comprises the following steps:

s1: respectively taking calcium stearate and calcium oxide with the mass ratio of 1.5, keeping the total weight of the calcium stearate and the calcium oxide as 15, taking zinc stearate and zinc oxide with the mass ratio of 1.2, keeping the total weight of the zinc stearate and the zinc oxide as 15, respectively putting the calcium stearate and the zinc oxide into different screens 6 in a feeding hopper 1, and grinding and filtering the calcium stearate and the zinc oxide by a grinding roller A14 and a grinding roller B15.

S2: adding a modifier into water after the hydrotalcite is forged, mixing and stirring the mixture, adding the modifier into the mixture, adding the mixture into the mixture, stirring the mixture, refluxing the mixture for 5 hours at 90 ℃, filtering the mixture by using filter paper, drying the mixture in an oven for 10 hours at 98 ℃, grinding the mixture to obtain modified hydrotalcite, and adding the modified hydrotalcite into the mixture when calcium stearate, calcium oxide, zinc stearate and zinc oxide enter a mixing box 3 through a feeding hopper to uniformly mix the mixture with the hydrotalcite, wherein the temperature is kept.

S3: adding 5-15 parts of lubricant, 5-10 parts of antioxidant, 10-15 parts of stabilizer and 5-10 parts of polyol into a mixing box 3, mixing and stirring at 65 ℃ for 20 minutes, and cooling.

In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The compound calcium-zinc stabilizer is characterized by comprising the following components: calcium salt stabilizers, zinc salt stabilizers, hydrotalcite, lubricants, antioxidants, stabilizers, and polyols.

2. The compound calcium-zinc stabilizer according to claim 1, which is characterized in that: 10-20 parts of calcium salt stabilizer, 10-25 parts of zinc salt stabilizer, 20-25 parts of hydrotalcite, 5-15 parts of lubricant, 5-10 parts of antioxidant, 10-15 parts of stabilizer and 5-10 parts of polyol.

3. The compound calcium-zinc stabilizer according to claim 1, which is characterized in that: the calcium salt stabilizer consists of calcium stearate and calcium oxide, wherein the proportion of the calcium stearate to the calcium oxide is 1.5, and the zinc salt stabilizer consists of zinc stearate and zinc oxide, wherein the proportion of the zinc stearate to the zinc oxide is 1.2.

4. The compound calcium-zinc stabilizer according to claim 1, which is characterized in that: the hydrotalcite is modified hydrotalcite, and the preparation method of the modified hydrotalcite comprises the following steps:

adding a modifier and water into the hydrotalcite after forging, mixing and stirring, refluxing for 5 hours at 90 ℃, filtering by using filter paper, drying the hydrotalcite in an oven for 10 hours at 98 ℃, and grinding to obtain the modified hydrotalcite.

5. A compound calcium zinc stabilizer preparation device is used for preparing the compound calcium zinc stabilizer of claims 1-4, and is characterized in that a flow guide box (2) is fixedly arranged at the bottom end of an inlet hopper (1), a mixing box (3) is fixedly arranged at the bottom end of the flow guide box (2), a storage box (4) is fixedly arranged at the bottom end of the mixing box (3), a plurality of distributing hoppers (5) are divided inside the inlet hopper (1), two screw bases A (7) are fixedly arranged on one side of the top end of each distributing hopper (5), two screw bases B (8) are fixedly arranged on the other side of the top end of each distributing hopper (5), a screw A (9) is rotatably connected between the two screw bases A (7), a screw B (10) is rotatably connected between the two screw bases B (8), one end of the screw A (9) is rotatably connected with the output end of a speed regulating motor (11), the output of buncher motor (11) pass through belt (26) with belt pulley (25) that lead screw B (10) one end fixing was equipped with rotate and connect, lead screw A (9) with all the cover is equipped with slider (12) on lead screw B (10), the outside cover of slider (12) is equipped with detachable go-between (13), on lead screw A (9) the bottom mounting of go-between (13) is equipped with motor A (16), on lead screw seat B (8) the bottom mounting of go-between (13) is equipped with motor B (17), the output of motor A (16) is fixed and is equipped with crushing roller A (14), the output of motor B (17) is fixed and is equipped with crushing roller B (15).

6. The preparation device of the compound calcium-zinc stabilizer according to claim 1, which is characterized in that: the cross-section of water conservancy diversion case (2) is isosceles trapezoid, the front of water conservancy diversion case (2) is equipped with observation window (27), a plurality of the bottom of dividing hopper (5) is equipped with detachable screen cloth (6), a plurality of the mesh diameter of screen cloth (6) is all different.

7. The preparation device of the compound calcium-zinc stabilizer according to claim 1, which is characterized in that: the mixing box is characterized in that a first spiral feeding shaft (18) and a second spiral feeding shaft (19) are arranged inside the mixing box (3), two ends of the first spiral feeding shaft (18) and two ends of the second spiral feeding shaft (19) are respectively connected with a bearing (20) embedded in the wall of the mixing box (3) in a rotating mode, the end portion of one end of the first spiral feeding shaft (18) is fixedly connected with the output end of a first driving motor (21), the end portion of one end of the second spiral feeding shaft (19) is fixedly connected with the output end of a second driving motor (22), and a screen plate (23) is fixedly arranged at the bottom end inside the mixing box (3).

8. The preparation device of the compound calcium-zinc stabilizer according to claim 1, which is characterized in that: one side of storage case (4) one end is fixed and is equipped with flush mounting plate of switch (24), the fixed surface of flush mounting plate of switch (24) is equipped with speed governing motor switch, motor A switch, motor B switch, first driving motor switch and second driving motor switch, speed governing motor (11) motor A (16) motor B (17) first driving motor (21) with second driving motor (22) are respectively through speed governing motor switch, motor A switch, motor B switch, first driving motor switch and second driving motor switch and external power supply electric connection.

9. A preparation method of a compound calcium-zinc stabilizer, which prepares the compound calcium-zinc stabilizer of claims 1-9, and is characterized in that: the preparation method of the compound calcium-zinc stabilizer comprises the following specific steps:

s1: respectively taking calcium stearate and calcium oxide with the mass ratio of 1.5, keeping the total weight of 15, taking zinc stearate and zinc oxide with the mass ratio of 1.2, keeping the total weight of 15, respectively putting the materials into different screens in a feeding hopper, and grinding and filtering the materials through a grinding roller A and a grinding roller B.

S2: adding a modifier into water after the hydrotalcite is forged, mixing and stirring the mixture, adding the modifier into the mixture, adding the mixture into the mixture, stirring the mixture, refluxing the mixture for 5 hours at 90 ℃, filtering the mixture by using filter paper, drying the mixture in an oven for 10 hours at 98 ℃, grinding the mixture to obtain modified hydrotalcite, and adding the modified hydrotalcite into the mixture when calcium stearate, calcium oxide, zinc stearate and zinc oxide enter a mixing box through a feeding hopper to uniformly mix the mixture with the hydrotalcite, wherein the temperature is kept at 55-60 ℃, and the.

S3: adding 5-15 parts of lubricant, 5-10 parts of antioxidant, 10-15 parts of stabilizer and 5-10 parts of polyol into a mixing box, mixing and stirring at 65 ℃ for 20 minutes, and cooling.

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