CN114524999A - PVC polyvinyl chloride and preparation method thereof - Google Patents

PVC polyvinyl chloride and preparation method thereof Download PDF

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Publication number
CN114524999A
CN114524999A CN202210207638.7A CN202210207638A CN114524999A CN 114524999 A CN114524999 A CN 114524999A CN 202210207638 A CN202210207638 A CN 202210207638A CN 114524999 A CN114524999 A CN 114524999A
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polyvinyl chloride
parts
pot body
plate
fixedly connected
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Chinese (zh)
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陈浩
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Individual
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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
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06—Homopolymers or copolymers of vinyl chloride
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/002—Methods
    • B29B7/005—Methods for mixing in batches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/22—Component parts, details or accessories; Auxiliary operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/82—Heating or cooling
    • B29B7/823—Temperature control
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/08—Metals
    • C08K2003/0893—Zinc
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2227—Oxides; Hydroxides of metals of aluminium
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant

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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)

Abstract

The invention belongs to the field of polyvinyl chloride, and particularly relates to PVC polyvinyl chloride and a preparation method thereof, wherein the PVC polyvinyl chloride comprises the following raw materials in parts by weight: 80-95 parts of chloroethylene; 10-16 parts of calcium carbonate; 5-12 parts of aluminum hydroxide; 7-14 parts of zinc ions; 3-8 parts of gelatin; 7-15 parts of zinc powder; 13-20 parts of phthalate; 14-24 parts of graphene; the zinc ions are added into the formula of the polyvinyl chloride, so that the mildew occurrence of the polyvinyl chloride can be reduced, and the phthalic acid ester and the aluminum hydroxide are added into the formula of the polyvinyl chloride, so that the toughness of the polyvinyl chloride can be enhanced, and the polyvinyl chloride has a flame retardant effect.

Description

PVC polyvinyl chloride and preparation method thereof
Technical Field
The invention relates to the field of polyvinyl chloride, in particular to PVC polyvinyl chloride and a preparation method thereof.
Background
Polyvinyl chloride, also referred to as PVC for short, has excellent flame retardant, cold resistant, and environmental friendly properties, and is also widely used in such fields as booklets, packaging, garments, footwear, and the like.
At present, a stirrer is required to be used in the production process of polyvinyl chloride, the stirrer can stir and mix the raw materials and the ingredients of the polyvinyl chloride, and the stirrer is mechanical equipment which is necessary in the production process of the polyvinyl chloride.
However, after the raw materials and ingredients of polyvinyl chloride are stirred by the existing stirrer, residual liquid is easy to remain at the bottom of the pot body of the stirrer, and the pot body is relatively deep, so that the inconvenience of workers in cleaning the bottom of the pot body is caused, and therefore, the PVC polyvinyl chloride and the preparation method thereof are provided for solving the problems.
Disclosure of Invention
The invention provides PVC polyvinyl chloride and a preparation method thereof, aiming at making up for the defects of the prior art and solving the problem that after the raw materials and ingredients of polyvinyl chloride are stirred by the existing stirrer, the existing residual liquid is easy to stay at the bottom of a pot body of the stirrer, and the pot body is relatively deep, so that a worker is inconvenient to clean the bottom of the pot body.
The technical scheme adopted by the invention for solving the technical problems is as follows: the PVC polyvinyl chloride provided by the invention comprises the following raw materials in parts by weight:
80-95 parts of vinyl chloride;
10-16 parts of calcium carbonate;
5-12 parts of aluminum hydroxide;
7-14 parts of zinc ions;
3-8 parts of gelatin;
7-15 parts of zinc powder;
13-20 parts of phthalate;
14-24 parts of graphene.
A preparation method of PVC polyvinyl chloride, which is suitable for the PVC polyvinyl chloride; and the preparation method comprises the following steps;
s1: taking chloroethylene as a main raw material, calcium carbonate, zinc powder and graphene as auxiliary materials, and taking aluminum hydroxide, gelatin and phthalic acid ester as additives;
s2: the raw materials, the auxiliary materials and the additives are put into a stirrer to be stirred, so that the raw materials, the auxiliary materials and the additives are fully mixed together;
s3: putting the raw material of S2 into a die for banburying, filtering and extruding to produce polyvinyl chloride;
s4: and (3) placing the polyvinyl chloride prepared by the above method into a pot made of iron, and then placing the iron pot into a water pool for cooling, wherein the polyvinyl chloride is cooled at the moment, so that the preparation of the polyvinyl chloride is completed.
The zinc ions are added into the formula of the polyvinyl chloride, so that the mildew occurrence of the polyvinyl chloride can be reduced, and the phthalic acid ester and the aluminum hydroxide are added into the formula of the polyvinyl chloride, so that the toughness of the polyvinyl chloride can be enhanced, and the polyvinyl chloride has a flame retardant effect.
Preferably, the zinc powder in S1 is sieved through a sieve with a mesh size of 50 meshes, and the aluminum hydroxide, gelatin and phthalate are kept in a cool environment before use, so that the zinc powder can be better mixed when mixed with other raw materials by sieving the zinc powder.
Preferably, when the stirrer stirs the raw materials, the auxiliary materials and the additives in the step S2, the pot body of the stirrer needs to be heated, so that the pot body is stably maintained at 80-85 degrees, and the raw materials can be better mixed together in a high-temperature environment by continuously heating the pot body.
Preferably, the iron pan used in S4 needs to be sterilized at high temperature before use, and after use, it needs to be cleaned and sterilized at high temperature again, and the quality of the product can be ensured by sterilizing the iron pan.
Preferably, the side wall of the stirrer is uniformly and fixedly connected with a support frame, the bottom of the stirrer is provided with a pot body, the bottom of the pot body is communicated with a discharge port, the top end of the pot body is fixedly connected with a sealing ring, the top end of the sealing ring is attached to the stirrer, the outer side wall of the pot body is fixedly connected with two fixed blocks, the outer side wall of the stirrer is fixedly connected with two fixed plates, the top end of each fixed block is fixedly provided with a support plate, the support plate is L-shaped, the short arm end of the support plate is in threaded connection with a threaded rod, the surface of the threaded rod is in threaded connection with the fixed plates, the bottom end of the threaded rod is fixedly connected with a rotating block, and the rotating block drives the threaded rod to rotate by rotating the rotating block, so that the threaded rod is not in threaded connection with the fixed plates any more, and then the pot body and the stirrer are separated, then wash a pot body inner wall comprehensively again to reach the convenience and carry out abluent effect to the bottom of pot body, improved the convenience of clearing up the bottom of pot body, then let the top of pot body contact with the mixer, the sealing washer can laminate with stirring body bottom this moment, then the reversal commentaries on classics piece, make threaded rod and fixed plate threaded connection, thereby make pot body and mixer fixed together.
Preferably, the bottom end of the fixed block is fixedly connected with a connecting plate, one side of the fixed block, which is far away from the pot body, is slidably connected with a sliding block, the sliding block is L-shaped, the long arm end of the sliding block is slidably connected with a sliding plate, the sliding plate is L-shaped, the short arm end of the sliding plate is fixedly connected with a cylinder, the top end of the fixed plate is provided with a round hole, the cylinder is clamped with the inner wall of the round groove, one side of the sliding block is slidably connected with a limiting rod, the sliding plate is penetrated by the round groove, the top end of the pot body is attached to the stirrer, then the sliding block is pushed, the sliding plate is moved to the upper part of the fixed plate, then the sliding plate is slid downwards, the cylinder is clamped with the inner wall of the round hole, meanwhile, the round groove on the sliding plate can be positioned at the limiting rod, then the limiting rod is pushed, the limiting rod is clamped with the inner wall of the round groove, at the moment, the pot body can be put under the stirrer, later reuse screw rod fixes pot body, the convenient effect of fixing pot body has been played, and then avoided when fixing pot body, still need artifically hold pot body, when needs are separately pot body and mixer, the pulling gag lever post, make the gag lever post from the roll-off in the circular slot, later upwards slide, make the cylinder no longer with the round hole joint, then no longer with fixed plate threaded connection with the threaded rod, then separate pot body and mixer.
Preferably, one side of the slider, which is close to the limiting rod, is welded with a limiting plate, the limiting plate is L-shaped, and the limiting rod is contacted with the limiting plate by pulling the limiting rod, so that the situation that the limiting rod falls off from the slider when the limiting rod is pulled is avoided.
Preferably, the bottom fixedly connected with rectangular plate of slider, the bottom fixed mounting of fixed block has the connecting plate, fixedly connected with spring between connecting plate and the rectangular plate through the pulling slider for the slider slides, later loosens the slider, makes the spring because the recovery of elasticity stimulates the rectangular plate, and the rectangular plate can drive the slider and reset this moment, has played the effect of resetting the slider.
Preferably, the equal fixedly connected with locating piece in both sides of fixed plate, the locating piece is "L" shape, and the short arm end and the slide laminating of locating piece, through with the slide along locating piece department to the fixed plate top removal, the locating piece can be fixed a position the slide this moment to make the locating piece accurate lay the fixed plate top.
The invention has the advantages that:
1. the zinc ions are added into the formula of the polyvinyl chloride, so that the mildew occurrence of the polyvinyl chloride can be reduced, and the phthalic acid ester and the aluminum hydroxide are added into the formula of the polyvinyl chloride, so that the toughness of the polyvinyl chloride can be enhanced, and the polyvinyl chloride has a flame retardant effect.
2. Through rotating the commentaries on classics piece for the commentaries on classics piece drives the threaded rod and rotates, thereby makes the threaded rod no longer with fixed plate threaded connection, later with pot body and mixer separately, then washs pot body inner wall comprehensively, thereby reaches the convenience and carries out abluent effect to the bottom of pot body, has improved the convenience of clearing up the bottom of pot body.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic structural view of a mixing tank;
FIG. 2 is a schematic front view of the blender;
FIG. 3 is a schematic structural diagram of a fixing block;
FIG. 4 is a rear view of the structure of FIG. 3;
FIG. 5 is a flow chart of the preparation of the present invention.
In the figure: 1. a blender; 2. a support frame; 3. a pan body; 4. a seal ring; 5. a discharge port; 6. a slide plate; 7. a threaded rod; 8. rotating the block; 9. a support plate; 10. a cylinder; 11. a circular hole; 12. a circular groove; 13. a fixing plate; 14. a limiting plate; 15. a limiting rod; 16. a slider; 17. a rectangular plate; 18. a spring; 19. a connecting plate; 20. a fixed block; 21. and (5) positioning the blocks.
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.
Example 1
The PVC polyvinyl chloride comprises the following raw materials in parts by weight: 80 parts of vinyl chloride; 10 parts of calcium carbonate; 5 parts of aluminum hydroxide; 7 parts of zinc ions; 3 parts of gelatin; 7 parts of zinc powder; 13 parts of phthalate; 14 parts of graphene.
The PVC polyvinyl chloride prepared by the formula is stored, and is placed in a humid place, and the condition of the invention of the PVC polyvinyl chloride is observed after how many days.
Example 2
The PVC polyvinyl chloride comprises the following raw materials in parts by weight: 80-95 parts of vinyl chloride; 13 parts of calcium carbonate; 8 parts of aluminum hydroxide; 10 parts of zinc ions; 5 parts of gelatin; 11 parts of zinc powder; 16 parts of phthalate; 19 parts of graphene.
The PVC polyvinyl chloride prepared by the formula is stored, and is placed in a humid place, and the condition of the invention of the PVC polyvinyl chloride is observed after how many days.
Example 3
The PVC polyvinyl chloride comprises the following raw materials in parts by weight: 80-95 parts of vinyl chloride; 16 parts of calcium carbonate; 12 parts of aluminum hydroxide; 14 parts of zinc ions; 8 parts of gelatin; 15 parts of zinc powder; 20 parts of phthalate; and 24 parts of graphene.
The PVC polyvinyl chloride prepared by the formula is stored, and is placed in a humid place, and the condition of the invention of the PVC polyvinyl chloride is observed after how many days.
Watch 1
Month of the year Example one Example two EXAMPLE III
3-4 No mildew No mildew No mildew
9-12 Mildew appears No mildew Mold development occurred
5-8 Mildew appears No mildew No mildew
According to the above embodiments, the important proportion in the second embodiment is the best, and the PVC polyvinyl chloride of the formula has the best use effect.
Referring to fig. 1-5, a PVC polyvinyl chloride comprises the following raw materials by weight:
80-95 parts of vinyl chloride;
10-16 parts of calcium carbonate;
5-12 parts of aluminum hydroxide;
7-14 parts of zinc ions;
3-8 parts of gelatin;
7-15 parts of zinc powder;
13-20 parts of phthalate;
14-24 parts of graphene.
A preparation method of PVC polyvinyl chloride, which is suitable for the PVC polyvinyl chloride; and the preparation method comprises the following steps;
s1: taking chloroethylene as a main raw material, calcium carbonate, zinc powder and graphene as auxiliary materials, and taking aluminum hydroxide, gelatin and phthalic acid ester as additives;
s2: the raw materials, the auxiliary materials and the additives are put into a stirrer to be stirred, so that the raw materials, the auxiliary materials and the additives are fully mixed together;
s3: putting the raw material of S2 into a die for banburying, filtering and extruding to produce polyvinyl chloride;
s4: and (3) placing the polyvinyl chloride formed by the above manufacture into a pot made of iron, and then placing the iron pot into a water pool for cooling, wherein the polyvinyl chloride is cooled, so that the preparation of the polyvinyl chloride is completed.
The zinc ions are added into the formula of the polyvinyl chloride, so that the mildew occurrence of the polyvinyl chloride can be reduced, and the phthalic acid ester and the aluminum hydroxide are added into the formula of the polyvinyl chloride, so that the toughness of the polyvinyl chloride can be enhanced, and the polyvinyl chloride has a flame retardant effect.
The zinc powder in the S1 needs to be sieved by a sieve with a mesh size of 50 meshes, aluminum hydroxide, gelatin and phthalate need to be stored in a cool environment before use, and the zinc powder can be better mixed together when being mixed with other raw materials by sieving the zinc powder.
In S2, when the stirring machine stirs the raw materials, the auxiliary materials and the additives, the pot body of the stirring machine 1 needs to be heated, so that the pot body is stably kept at 80-85 degrees, and the raw materials can be better mixed together in a high-temperature environment by continuously heating the pot body.
The iron pan that uses in S4 needs to pass through high temperature disinfection before using, needs wash it after using, carries out high temperature disinfection again simultaneously, through disinfecting the iron pan, can guarantee the quality of product.
The side wall of the stirrer 1 is uniformly and fixedly connected with a support frame 2, the bottom end of the stirrer 1 is provided with a pot body 3, the bottom end of the pot body 3 is communicated with a discharge hole 5, the top end of the pot body 3 is fixedly connected with a sealing ring 4, the top end of the sealing ring 4 is attached to the stirrer 1, the outer side wall of the pot body 3 is fixedly connected with two fixed blocks 20, the outer side wall of the stirrer 1 is fixedly connected with two fixed plates 13, the top end of each fixed block 20 is fixedly provided with a support plate 9, each support plate 9 is L-shaped, the short arm end of each support plate 9 is in threaded connection with a threaded rod 7, the surface of each threaded rod 7 is in threaded connection with the corresponding fixed plate 13, and the bottom end of each threaded rod 7 is fixedly connected with a rotating block 8; the during operation, change piece 8 through rotating, make change piece 8 and drive threaded rod 7 and rotate, thereby make threaded rod 7 no longer with 13 threaded connection of fixed plate, later with pot body 3 and mixer 1 separately, then wash comprehensively pot body 3 inner wall, thereby reach the convenience and carry out abluent effect to the bottom of pot body 3, the convenience of clearing up is carried out to the bottom of pot body 3 has been improved, then let the top of pot body 3 contact with mixer 1, sealing washer 4 can laminate with stirring body bottom this moment, then reverse change piece 8, make threaded rod 7 and 13 threaded connection of fixed plate, thereby make pot body 3 and mixer 1 fixed together.
The bottom end of the fixed block 20 is fixedly connected with a connecting plate 19, one side, away from the pot body 3, of the fixed block 20 is connected with a sliding block 16 in a sliding mode, the sliding block 16 is L-shaped, the long arm end of the sliding block 16 is connected with a sliding plate 6 in a sliding mode, the sliding plate 6 is L-shaped, the short arm end of the sliding plate 6 is fixedly connected with a cylinder 10, the top end of the fixed plate 13 is provided with a round hole 11, the cylinder 10 is clamped with the inner wall of the round groove 12, one side of the sliding block 16 is connected with a limiting rod 15 in a sliding mode, and the sliding plate 6 penetrates through the round groove 12; when the pot body fixing device works, the top end of the pot body 3 is attached to the stirring machine 1, the sliding block 16 is pushed later, the sliding plate 6 is moved to the position above the fixing plate 13, the sliding plate 6 slides downwards, the cylinder 10 is clamped with the inner wall of the round hole 11, meanwhile, the round groove 12 on the sliding plate 6 is positioned at the limiting rod 15, the limiting rod 15 is pushed later, the limiting rod 15 is clamped with the inner wall of the round groove 12, the pot body 3 is put under the stirring machine 1, the threaded rod 7 is used for fixing the pot body 3, the pot body 3 is convenient to fix, the pot body 3 is prevented from being manually supported when the pot body 3 is fixed, when the pot body 3 and the stirring machine 1 are required to be separated, the limiting rod 15 is pulled, the limiting rod 15 slides out of the round groove 12, the sliding plate 6 slides upwards later, the cylinder 10 is not clamped with the round hole 11, the threaded rod 7 is then no longer screwed to the fixed plate 13, and the pan body 3 and the mixer 1 are then separated.
A limiting plate 14 is welded on one side, close to the limiting rod 15, of the sliding block 16, and the limiting plate 14 is L-shaped; during operation, through pulling the limiting rod 15, the limiting rod 15 contacts the limiting plate 14, and therefore the situation that the limiting rod 15 falls off from the sliding block 16 when the limiting rod 15 is pulled is avoided.
A rectangular plate 17 is fixedly connected to the bottom end of the sliding block 16, a connecting plate 19 is fixedly mounted at the bottom end of the fixing block 20, and a spring 18 is fixedly connected between the connecting plate 19 and the rectangular plate 17; during operation, through pulling the slider 16, the slider 16 slides, then the slider 16 is loosened, the spring 18 pulls the rectangular plate 17 due to the recovery of the elastic force, and the rectangular plate 17 can drive the slider 16 to reset, so that the slider 16 is reset.
Positioning blocks 21 are fixedly connected to two sides of the fixing plate 13, the positioning blocks 21 are L-shaped, and the short arm ends of the positioning blocks 21 are attached to the sliding plate 6; during operation, the sliding plate 6 moves to the upper side of the fixing plate 13 along the positioning block 21, and at this time, the positioning block 21 can position the sliding plate 6, so that the positioning block 21 is accurately placed above the fixing plate 13.
The working principle is that the limiting rod 15 is pulled to slide out of the circular groove 12, the sliding plate 6 slides upwards, the cylinder 10 is not clamped with the circular hole 11, the sliding block 16 is pulled to move the sliding plate 6 from the upper part of the fixed plate 13, the rotating block 8 is rotated to drive the threaded rod 7 to rotate, the threaded rod 7 is not in threaded connection with the fixed plate 13, the pot body 3 and the stirrer 1 are separated, the inner wall of the pot body 3 is cleaned comprehensively, the bottom of the pot body 3 is cleaned conveniently, the convenience of cleaning the bottom of the pot body 3 is improved, the top end of the pot body 3 is contacted with the stirrer 1, the sealing ring 4 is attached to the bottom end of the stirring body, the sliding plate 6 moves to the upper part of the fixed plate 13 along the positioning block 21, and the sliding block 16 is loosened, make spring 18 because the recovering pulling rectangular plate 17 of elasticity, rectangular plate 17 can drive slider 16 and remove this moment, thereby make slider 16 drive slide 6 and remove fixed plate 13 top, cylinder 10 can be located round hole 11 department this moment, then the lapse, make cylinder 10 and the inner wall joint of round hole 11, circular slot 12 on the slide 6 can be located gag lever post 15 department simultaneously, later promote gag lever post 15, make gag lever post 15 and the inner wall joint of circular slot 12, then reverse commentaries on classics piece 8, make threaded rod 7 and fixed plate 13 threaded connection, thereby make pot body 3 and mixer 1 fixed together.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims (10)

1. A PVC polyvinyl chloride is characterized in that: the composite material comprises the following raw materials in parts by weight:
80-95 parts of vinyl chloride;
10-16 parts of calcium carbonate;
5-12 parts of aluminum hydroxide;
7-14 parts of zinc ions;
3-8 parts of gelatin;
7-15 parts of zinc powder;
13-20 parts of phthalate;
14-24 parts of graphene.
2. A preparation method of PVC polyvinyl chloride is characterized by comprising the following steps: the preparation method is suitable for PVC polyvinyl chloride in the claim 1; and the preparation method comprises the following steps;
s1: taking chloroethylene as a main raw material, calcium carbonate, zinc powder and graphene as auxiliary materials, and taking zinc ions, aluminum hydroxide, gelatin and phthalate as additives;
s2: the raw materials, the auxiliary materials and the additives are put into a stirrer (1) to be stirred, so that the raw materials, the auxiliary materials and the additives are fully mixed together;
s3: putting the raw material of S2 into a die for banburying, filtering and extruding to produce polyvinyl chloride;
s4: and (3) placing the polyvinyl chloride prepared by the above method into a pot made of iron, and then placing the iron pot into a water pool for cooling, wherein the polyvinyl chloride is cooled at the moment, so that the preparation of the polyvinyl chloride is completed.
3. The method for preparing PVC polyvinyl chloride according to claim 2, wherein: the zinc powder in S1 was sieved through a 50 mesh sieve, and aluminum hydroxide, gelatin and phthalate were stored in a cool environment before use.
4. A method of making PVC polyvinyl chloride according to claim 3 characterised in that: in the step S2, when the stirrer stirs the raw materials, the auxiliary materials and the additives, the pot body of the stirrer needs to be heated, so that the pot body is stably maintained at 80-85 ℃.
5. The method for preparing PVC polyvinyl chloride according to claim 4, wherein the method comprises the following steps: the iron pan used in S4 needs to be sterilized at high temperature before use, and needs to be washed and sterilized again after use.
6. The method for preparing PVC polyvinyl chloride according to claim 5, wherein: the side wall of the stirrer (1) is uniformly and fixedly connected with a supporting frame (2), the bottom end of the stirrer (1) is provided with a pot body (3), the bottom end of the pot body (3) is communicated with a discharge hole (5), the top end of the pot body (3) is fixedly connected with a sealing ring (4), the top end of the sealing ring (4) is attached to the stirring machine (1), the outer side wall of the pot body (3) is fixedly connected with two fixing blocks (20), the outer side wall of the stirrer (1) is fixedly connected with two fixing plates (13), the top end of the fixed block (20) is fixedly provided with a supporting plate (9), the supporting plate (9) is L-shaped, and the short arm end of the supporting plate (9) is in threaded connection with a threaded rod (7), the surface of the threaded rod (7) is in threaded connection with a fixing plate (13), and the bottom end of the threaded rod (7) is fixedly connected with a rotating block (8).
7. The method for preparing PVC polyvinyl chloride according to claim 6, wherein the method comprises the following steps: the bottom fixedly connected with connecting plate (19) of fixed block (20), one side sliding connection that pot body (3) were kept away from to fixed block (20) has slider (16), slider (16) are "L" shape, and the long arm end sliding connection of slider (16) has slide (6), slide (6) are "L" shape, and the short arm end fixedly connected with cylinder (10) of slide (6), round hole (11) have been seted up on the top of fixed plate (13), the inner wall joint of cylinder (10) and circular slot (12), one side sliding connection of slider (16) has gag lever post (15), circular slot (12) have been seted up in running through of slide (6).
8. The method for preparing PVC polyvinyl chloride according to claim 7, wherein: one side of the sliding block (16) close to the limiting rod (15) is welded with a limiting plate (14), and the limiting plate (14) is L-shaped.
9. The method for preparing PVC polyvinyl chloride according to claim 8, wherein: the bottom fixedly connected with rectangular plate (17) of slider (16), the bottom fixed mounting of fixed block (20) has connecting plate (19), fixedly connected with spring (18) between connecting plate (19) and rectangular plate (17).
10. The method for preparing PVC polyvinyl chloride according to claim 9, wherein: the two sides of the fixing plate (13) are fixedly connected with positioning blocks (21), the positioning blocks (21) are L-shaped, and the short arm ends of the positioning blocks (21) are attached to the sliding plate (6).
CN202210207638.7A 2022-03-04 2022-03-04 PVC polyvinyl chloride and preparation method thereof Pending CN114524999A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160368167A1 (en) * 2014-02-13 2016-12-22 Sika Technology Ag Method for producing semifinished plasticized pvc products
CN106479080A (en) * 2016-08-31 2017-03-08 江苏领瑞新材料科技有限公司 A kind of heat-resistant fireproof type CABLE MATERIALS and preparation method thereof
CN107474433A (en) * 2017-08-23 2017-12-15 江西龙泰新材料股份有限公司 One kind is without antimony environment-friendly novel flame-proof polyvinyl chloride cable material and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160368167A1 (en) * 2014-02-13 2016-12-22 Sika Technology Ag Method for producing semifinished plasticized pvc products
CN106479080A (en) * 2016-08-31 2017-03-08 江苏领瑞新材料科技有限公司 A kind of heat-resistant fireproof type CABLE MATERIALS and preparation method thereof
CN107474433A (en) * 2017-08-23 2017-12-15 江西龙泰新材料股份有限公司 One kind is without antimony environment-friendly novel flame-proof polyvinyl chloride cable material and preparation method thereof

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