CN108003516A - A kind of modified polyvinyl chloride and preparation method thereof - Google Patents
A kind of modified polyvinyl chloride and preparation method thereof Download PDFInfo
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- CN108003516A CN108003516A CN201711488645.4A CN201711488645A CN108003516A CN 108003516 A CN108003516 A CN 108003516A CN 201711488645 A CN201711488645 A CN 201711488645A CN 108003516 A CN108003516 A CN 108003516A
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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
-
- 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
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- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- 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 discloses a kind of modified polyvinyl chloride and preparation method thereof, include the component of following ratio of weight and number：20 30 parts of polyvinyl chloride, 10 15 parts of nano-calcium carbonate, 10 12 parts of carbon black, 58 parts of phenolic resin, 58 parts of insulation agent, 35 parts of mineral oil, 23 parts of stabilizer.The present invention is capable of the pliability of effective reinforced plastics part by the addition of nano-calcium carbonate, counter-bending, and cracking resistance, the performance being broken can obtain the raising of high degree；The intensity for improving polyethylene and heat resistanceheat resistant heat-insulating capability of the addition high degree of adiabatic agent.
Description
Technical field
The invention belongs to polyvinyl chloride processing technique field, more particularly, to a kind of modified polyvinyl chloride and its preparation side
Method.
Background technology
Polyvinyl chloride（pvc）It is that yield is only below polyvinyl chloride in the prior art（PE）Plastics.In construction material, industry
Product, daily necessities, flooring laminate, floor tile, artificial leather, tubing, electric wire, packaging film, bottle, expanded material, sealing material, fibre
Dimension etc. is widely used.
The pliability for the polyvinyl chloride that traditional preparation process is prepared is poor, and then cracking resistance, the ability of fracture are equal
It is poor.Secondly, the heat-proof quality of polyvinyl chloride is not strong enough, and aging easily occurs.
The content of the invention
The present invention gathers to overcome the deficiencies of the prior art and provide a kind of functional, strong shock resistance modification
Vinyl chloride and preparation method thereof.
To achieve these goals, the present invention uses following technical scheme：A kind of polyvinyl chloride, including following parts by weight
The component of ratio：20-30 parts of polyvinyl chloride, 10-15 parts of nano-calcium carbonate, 10-12 parts of carbon black, 5-8 parts of phenolic resin, insulation agent 5-
8 parts, 3-5 parts of mineral oil, 2-3 parts of stabilizer.The present invention is capable of the soft of effective reinforced plastics part by the addition of nano-calcium carbonate
Toughness, counter-bending, cracking resistance, the performance of fracture can obtain the raising of high degree；The addition high degree of adiabatic agent carries
The high intensity and heat resistanceheat resistant heat-insulating capability of polyethylene；Carbon black is added, a part of ultraviolet can be adsorbed, avoid polychlorostyrene second
There is situation about changing colour in alkene.
Further, the insulation agent is asbestos and quartz powder according to weight ratio 2:The mixture of 3 compositions.
Further, the preparation process of the quartz powder is as follows：After taking quartz to clean and dry, using milling apparatus
Quartz is ground, quartz powder is made after crossing 120 mesh sieves.
The invention also discloses a kind of method for being used to prepare polyvinyl chloride, comprise the following steps：
（1）Premix：Polyvinyl chloride, nano-calcium carbonate, carbon black, phenolic resin, insulation agent are mixed to uniform, obtained dry powder
Material；
（2）Stirring：Dry mash is put into mixing plant, adds organic solvent, mineral oil, stabilizer is stirred to glue, obtained
Colloidal mixture；
（3）Colloidal mixture is crushed, organics removal is distilled, obtains polyvinyl chloride.
Dry mash is mixed by the way that premix is now existing in the present invention, ensures to be uniformly mixed between material, and then rear
When phase stirs, the mixing of material is more uniformly distributed, and then farthest lifts the performance for the polyvinyl chloride being prepared, and lifting is poly-
The shock resistance and bending resistance of vinyl chloride；And time-consuming being shortened high degree when stirring, it is high in machining efficiency.
Further, the organic solvent is the mixing that a kind of and chloroform in dimethylbenzene, naphthane and decahydronaphthalene is formed
Liquid.
Further, the mixed liquor that the organic solvent is formed for naphthane with chloroform, the volume of the toluene and chloroform
Than for 4:1
Further, the mixing plant includes teeter chamber and arranged on indoor agitating device is stirred, and the agitating device includes
Agitating shaft, the agitating paddle on agitating shaft and the actuator for driving the agitating shaft to rotate；The agitating paddle is equipped with
For guiding fluid to occur to flow to produce the turbulent flow passageway of turbulent flow in teeter chamber during agitating paddle rotates.The present invention
Passing through the setting of turbulent flow passageway so that agitating device is to enable to be in turbulent condition in teeter chamber in work, so that
Sufficiently hit between each material, storeroom is uniformly mixed, and mixing effect is good；So as to which farthest lifting is prepared
Polyvinyl chloride performance, lift the shock resistance and bending resistance of polyvinyl chloride.
Further, the agitating paddle is S type structure settings, and the turbulent flow passageway is the arc arranged on the agitating paddle outer surface
Shape convex ribs；Pass through the setting of S-shaped structure so that agitating paddle will produce larger turbulent flow effect during stirring, further
The uniformity of improving material mixing.
Further, the turbulent flow passageway is the arc-shaped slot on the agitating paddle；Arc-shaped slot can reduce agitating paddle
The resistance being subject in rotation process, can reduce the power of actuator, realize energy saving.
Further, the agitating device further includes the mixing part that can be moved up and down along teeter chamber's length direction
Part, is equipped with drive mechanism between the mixing component and the agitating shaft；Agitating paddle can rotate under the driving of actuator, institute
State mixing component then to move up and down under the transmission of drive mechanism, so that in whipping process, stirring indoor material will
Be not in be flowed along same direction, but can be in the state for reaching turbulent flow to all directions flowing, so that each material
Occur sufficiently to hit before, material is uniformly mixed.
Further, the mixing component includes stirring cross bar, two connecting portions for being respectively arranged on stirring cross bar both ends and can
The stirring parts being arranged on the stirring cross bar rotated；Since stirring parts can be rotated relative to stirring cross bar, so that on stirring cross bar
During lower movement, stirring parts can rotate, so as to reduce the resistance of motion that stirring cross bar is subject to, reduce kinetic energy loss；
Meanwhile rotating for stirring parts can also produce the agitation to solvent on the direction flowed up and down, further enhance disorderly
Effect is flowed, the uniformity of improving material mixing, lifts properties of product.
Further, it is equipped with the power-assist knot for being used for reducing frictional force between the two between the stirring parts and the stirring cross bar
Structure；The setting of power-assist structure, can reduce frictional force of the stirring parts when rotating between stirring cross bar, reduce abrasion, extension is set
Standby service life.
Further, the stirring parts include the connector sleeve being sheathed on outside the stirring cross bar and interval is fixedly arranged on the connection
Multiple turbulent flow parts on set；Connector sleeve can be dismantled easily opposite stirring cross bar, be conveniently replaceable, extend equipment entirety
Service life.
Further, the power-assist structure is included arranged on the locating slot stirred on cross bar, in the connector sleeve
Connecting portion matched with the locating slot, the limiting slot on location division, multiple balls in the limiting slot and it is used for
Control the limiting component of the evenly spaced distribution of the ball；By the cooperation of location division and limiting slot, realize to stirring parts
Positioning, effectively prevents stirring parts from occurring moving along the position on stirring cross bar length direction on stirring cross bar；Pass through dismounting group
External member is effectively locked on mixing arm by part, prevents external member from position movement occur；Ball can be rolled when stirring parts rotate,
Effectively reduce the frictional force between location division and limiting slot；The spacing effect that limiting component plays ball, effectively prevents from rolling
Pearl, which is rolled to, to be bonded to each other together, and ball is more uniformly spread, and the effect for reducing frictional force is more preferable；And also effectively prevent from rolling
Pearl mutually collides and produces sound, reduces noise during equipment work.
Further, the limiting component include be arranged on the location division on spacing layer, be spaced apart in the spacing layer
The upper limit opening and connection structure for being used to be pierced by for the ball part；The connection structure includes being arranged on the location division
Two card slots and with the matched locating part of the card slot, the spacing layer be at least partially disposed in the limiting slot and locating part it
Between, which is equipped with the limited mouth passed through for the locating part；Spacing layer can carry out anticreep processing to ball, avoid rolling
Pearl drops out from the opening of limiting slot, and then when being dismounted to stirring parts, ball will not drop out；Secondly, ball is prevented
De- that the rotation of ball can't be impacted, ball can still realize 360 ° of rotation with relative limit opening, be not in
The situation that ball is stuck, failure rate are low；By the cooperation of locating part and limiting slot, good positioning can be carried out to spacing layer,
Avoid spacing layer relative positioning portion during use from being moved, ensure to carry out well spacing to ball, avoid at the same time
Rolling of the movement of spacing layer to ball impacts, and reduces failure rate.
Further, the drive mechanism is connected including the drive gear on the agitating shaft, with the connecting portion
Moving member, in first operating cavity slide matched with the moving member, screw, arranged on the screw end and institute
The umbrella tooth part for stating drive gear drive connection, the movable sleeve that is sheathed on outside the screw and for connecting the movable sleeve and the movement
The steel wire rope of part；When agitating shaft rotates under the driving of actuator, the moving member is by under the driving of drive mechanism
It is moved, and then it is the rotation that agitating shaft can be achieved at the same time and the movement for stirring cross bar only to set an actuator, without setting
Put multiple actuators and drive agitating shaft and stirring cross bar respectively, save energy consumption, reduce the input of engineering cost；And actuator need not
Multiple, the failure rate for reducing equipment of high degree, easy to repair and maintenance are set；When drive gear rotates, you can drive
Move the umbrella tooth part to rotate, and then control movable sleeve to be moved left and right along the length direction of screw, so that steel wire
Rope pulls moving member to move up and down, and steel wire rope has certain deformability, while intensity is larger, so as to realize
Occur to drive moving member to move up and down in the state of certain bending, reach good transmission effect.
In conclusion the present invention has the following advantages：The flexible of effective reinforced plastics part is capable of in the addition of nano-calcium carbonate
Property, counter-bending, cracking resistance, the performance of fracture can obtain the raising of high degree；The raising of the addition high degree of adiabatic agent
The intensity and heat resistanceheat resistant heat-insulating capability of polyethylene.
Brief description of the drawings
Fig. 1 is the structure diagram one in the present invention.
Fig. 2 is the structure diagram two in the present invention.
Fig. 3 is the enlarged drawing at B in Fig. 1.
Fig. 4 is the partial sectional view of mixing component in the present invention.
Fig. 5 is the enlarged drawing at D in Fig. 4.
Fig. 6 is the partial enlarged view in Fig. 5.
Fig. 7 is the structure diagram of connector sleeve in the present invention.
Fig. 8 is the structure diagram of agitating paddle in the present invention.
Embodiment
In order to make those skilled in the art be better understood from the present invention program, below in conjunction with the embodiment of the present invention
Attached drawing, carries out the technical solution in the embodiment of the present invention clear, complete description.
Embodiment 1
A kind of polyvinyl chloride, includes the component of following ratio of weight and number：20 parts of polyvinyl chloride, 10 parts of nano-calcium carbonate, carbon black 10
Part, 5 parts of phenolic resin, 5 parts of insulation agent, 3 parts of mineral oil, 2 parts of stabilizer；The insulation agent is asbestos and quartz powder according to weight
Measure ratio 2:The mixture of 3 compositions；Specifically, the preparation process of the quartz powder is as follows：After taking quartz to clean and dry, adopt
Quartz is ground with milling apparatus, quartz powder is made after crossing 120 mesh sieves；Wherein, the milling apparatus is grinder,
Belong to the prior art；Stabilizer is the common stable agent being directly commercially available on the market.
A kind of preparation method of polyvinyl chloride, comprises the following steps：（1）Premix：Take polyvinyl chloride 20kg, nano-calcium carbonate
10 kg, 10 kg of carbon black, 5 kg of phenolic resin, 5 kg of insulation agent are put into mixer, and progress is dry-mixed, are mixed to uniformly rear and are made
Dry mash；（2）Stirring：Dry mash is put into mixing plant, adds 20 kg of organic solvent, 3 kg of mineral oil, 2 kg of stabilizer
Stirring obtains colloidal mixture to glue；（3）Colloidal mixture is crushed using pulverizer, then is distilled by distilling machinery
Organics removal, obtains polyvinyl chloride；Wherein, the mixed liquor that the organic solvent is formed for naphthane with chloroform, the toluene
Volume ratio with chloroform is 4:1；Wherein, the mixer, pulverizer, distilling machinery are that the prior art can be realized.
As shown in figures 1-8, the mixing plant includes teeter chamber 1 and arranged on the indoor agitating device 2 of stirring, the stirring
Device 2 includes agitating shaft 21 made of stainless steel, by welding agitating paddle 22 made of the stainless steel being installed on agitating shaft, using
In made of the actuator 23 for driving the agitating shaft rotation, the stainless steel that can be moved up and down along teeter chamber's length direction
Mixing component 3 and for drive the mixing component move up and down drive mechanism, the drive mechanism be arranged on mixing component with it is described
Between agitating shaft；The top of the agitating shaft 21 is extend out to outside the shell, is connected with the actuator, and the actuator is market
On the motor that is commercially available；The agitating paddle 22 be equipped be used for guide fluid agitating paddle rotate during occur flowing with
The turbulent flow passageway of turbulent flow is produced in teeter chamber；In this present embodiment, the agitating paddle 22 is the stainless steel of S-shaped structure setting
Plate, the stainless steel plate are welded on agitating shaft, and the turbulent flow passageway is arranged on the multiple arcs on 22 outer surface of agitating paddle for interval
Convex ribs 221, the arc convex ribs are directed out for the surface of agitating paddle and extended to form；In other embodiment, the turbulent flow passageway
Or the evenly spaced multiple arcs straight slot being distributed on agitating paddle, so that material is by reducing agitating paddle and using
The resistance being subject in journey.
Further, the drive mechanism includes drive gear 91, moving member 92, slide 93 and transmission parts, described
Moving member 92, slide 93, screw 94, umbrella tooth part 95, movable sleeve 96 and steel wire rope 97；The drive gear 91 is fixed to be set in and stirred
Mix on axis, when agitating shaft rotates, drive gear also rotates；The moving member 92 is roller, and the moving member 92 is rotatable
Be set on the connecting portion, the slide 93 is arranged on teeter chamber's side wall, and can be engaged with the moving member 92
The moving member 92 is driven to be moved；Preferably, the width of the slide and the width of moving member are arranged to identical, avoid moving
Part shakes during moving up and down；The transmission parts are engaged with the drive gear 91, can be in drive gear
When rotating, the moving member 92 is driven to be moved along the slide；The screw 94 is arranged on teeter chamber top, the stirring
Interior is equipped with a cavity, is equipped with two positioning seats in the cavity, which is rotatably threaded through in positioning seat；The umbrella tooth part 95
For the umbrella tooth being directly commercially available on the market, which is fixedly connected on the end of screw, and umbrella tooth part 95 and the driving
Gear engages；The movable sleeve 96 is equipped with through hole, sets female metallic sheath on through hole, which is sheathed on the silk
Outside bar, when screw rotates, movable sleeve can be moved along screw length direction；Described 97 one end of steel wire rope and the movable sleeve
96 are connected, and the roller is equipped with the limiting slot of a ring shape, and the other end of the steel wire rope 97 is surrounded by a circle, and the circle
It is stuck in the limiting slot, ensures that steel wire rope will not be dropped out from limiting slot.
Specifically, the mixing component 3 includes the stirring cross bar 31 of cylindricality made of stainless steel and is respectively arranged on stirring horizontal stroke
Connecting shaft 32 made of the stainless steel at bar both ends and the multiple stirring parts 5 being rotatably arranged on the stirring cross bar, multiple stirrings
Part 5 along stirring the evenly spaced distribution of 31 length direction of cross bar；The connecting shaft 32 is connected with the moving member；It is specifically, described
Power-assist structure is equipped between stirring parts 5 and stirring cross bar 31, by the setting of the power-assist structure, effectively reduces stirring parts 5 with stirring
Mix the frictional force between cross bar 31 so that the rotation of stirring parts 5 is more smoothly；The stirring parts 5 are made of stainless steel, including are arranged
, should in the connector sleeve 51 outside the stirring cross bar and multiple turbulent parts 52 of the evenly spaced distribution in outer surface along connector sleeve 51
Turbulent part 52 is the stainless steel plate being weldingly fixed on outside the connector sleeve 51；The connector sleeve 51 is on the stainless steel sleeve of annular
A notch is set to be formed；The connector sleeve 51 is equipped with lock, notch can be closed by the lock, avoids connector sleeve 51
By deviating from stirring cross bar in whipping process.
The power-assist structure include be arranged on it is described stirring cross bar on locating slot 61, in the connector sleeve with the positioning
The matched connecting portion 62 of groove, the limiting slot 63 on location division, multiple balls 64 in the limiting slot and for controlling
Make the limiting component of the evenly spaced distribution of the ball；The limiting slot 63 is arranged to two, and distribution is arranged on location division 62
In upper and lower surface；The ball is stainless shot, and multiple balls 64 are placed in limiting slot 63；The limiting component includes being arranged on
Spacing layer 71 on the location division, be used on spacing layer the limit opening 72 that is pierced by for the ball part and for reality
The connection structure that existing rotation stop and anticreep between the spacing layer 71 and the location division 62 coordinates；The limit opening 72 is spaced
Uniformly it is arranged on the spacing layer, and the diameter of limit opening 72 is set smaller than the diameter of ball, so that ball will have portion
Divide and be pierced by from limit opening 72, but will not be dropped out from limit opening 72；The spacing layer 71 is made of aluminium, can be with one
Fixed deformability；The connection structure includes two limiting slots 81 and locating part matched with the card slot 82, and described two is spacing
Groove 81 sets up separately on the left and right sides of limit opening；81 side wall of limiting slot be equipped with 82 matched card slot of locating part,
The locating part 82 is the piece of stainless steel that arcuate structure is set, when locating part 82 is placed in limiting slot 81,82 cocker of locating part
Enter to card slot, avoid locating part 82 from being dropped out from limiting slot 81；The spacing layer 71 is at least partially disposed in the limiting slot 81
Between locating part 82, and the spacing layer 71 is equipped with the limited mouth 711 passed through for the locating part 82；Carried out when to spacing layer
When fixed, spacing layer is placed to the surface of location division, afterwards through limited mouth 711 and is caught in locating part 82 to card slot, is limited
Position layer will deform upon, and partly be caught in limiting slot 81, and be limited part 82 and be pressed in limiting slot 81, effectively avoid spacing
Position movement occurs for layer.
Further, the teeter chamber bottom upwardly extends the supporting part 11 formed with a cylindricality, is set on the agitating shaft
There is the mating grafting chamber of the supporting part, a bearing 12 is equipped between the grafting chamber and supporting item；When agitating shaft rotates,
Bearing can rotate, and reduce the frictional force between agitating shaft and supporting item.
Specific process principle is as follows：During stirring, actuator starts and rotates forward, and driving agitating shaft rotation, agitating paddle is to stirring
Mix the agitation on indoor material progress circumferencial direction；Drive gear driving umbrella tooth part rotates so that screw rotates, activity
Part is moved along screw to the side close to drive gear, so that moving member has been pulled upwardly, is driven mixing component to move up, is stirred
Mix part to rotate, produce turbulent flow；After moving member is moved to slide top, motor is inverted, driving agitating shaft reversion, instead
To agitation material；Drive gear reversion at the same time, driving screw reversion, movable sleeve is moved to the side of principle drive gear, mobile
Part moves down, and drives mixing component to move down, and realizes to stirring the agitation on indoor material progress above-below direction, at the same time
Stirring parts rotate, and produce turbulent flow.
Embodiment 2
A kind of polyvinyl chloride, includes the component of following ratio of weight and number：30 parts of polyvinyl chloride, 15 parts of nano-calcium carbonate, carbon black 12
Part, 8 parts of phenolic resin, 8 parts of insulation agent, 5 parts of mineral oil, 3 parts of stabilizer；The insulation agent is asbestos and quartz powder according to weight
Measure ratio 2:The mixture of 3 compositions；Specifically, the preparation process of the quartz powder is as follows：After taking quartz to clean and dry, adopt
Quartz is ground with milling apparatus, quartz powder is made after crossing 120 mesh sieves；Wherein, the milling apparatus is grinder,
Belong to the prior art；Stabilizer is the common stable agent being directly commercially available on the market.
A kind of preparation method of polyvinyl chloride, comprises the following steps：（1）Premix：Take 30 kg of polyvinyl chloride, nano-calcium carbonate
15 kg of calcium, 12 kg of carbon black, 8 kg of phenolic resin, 8 kg of insulation agent are put into mixer, and progress is dry-mixed, are mixed to uniformly rear system
Obtain dry mash；（2）Stirring：Dry mash is put into mixing plant, adds organic solvent 30 kg, mineral oil 5kg, stabilizer 3
Kg is stirred to glue, obtains colloidal mixture；（3）Colloidal mixture is crushed using pulverizer, then is steamed by distilling machinery
Organics removal is evaporated, obtains polyvinyl chloride；Wherein, the mixed liquor that the organic solvent is formed for dimethylbenzene with chloroform, the first
The volume ratio of benzene and chloroform is 4:1；Wherein, the mixer, pulverizer, distilling machinery are that the prior art can be realized.
Embodiment 3
A kind of polyvinyl chloride, includes the component of following ratio of weight and number：30 parts of polyvinyl chloride, 15 parts of nano-calcium carbonate, carbon black 10
Part, 5 parts of phenolic resin, 8 parts of insulation agent, 3 parts of mineral oil, 3 parts of stabilizer；The insulation agent is asbestos and quartz powder according to weight
Measure ratio 2:The mixture of 3 compositions；Specifically, the preparation process of the quartz powder is as follows：After taking quartz to clean and dry, adopt
Quartz is ground with milling apparatus, quartz powder is made after crossing 120 mesh sieves；Wherein, the milling apparatus is grinder,
Belong to the prior art；Stabilizer is the common stable agent being directly commercially available on the market.
A kind of preparation method of polyvinyl chloride, comprises the following steps：（1）Premix：Take 30 kg of polyvinyl chloride, nano-calcium carbonate
15 kg of calcium, 10 kg of carbon black, 5 kg of phenolic resin, 8 kg of insulation agent are put into mixer, and progress is dry-mixed, are mixed to uniformly rear system
Obtain dry mash；（2）Stirring：Dry mash is put into mixing plant, adds 30 kg of organic solvent, 3 kg of mineral oil, stabilizer 3
Kg is stirred to glue, obtains colloidal mixture；（3）Colloidal mixture is crushed using pulverizer, then is steamed by distilling machinery
Organics removal is evaporated, obtains polyvinyl chloride；Wherein, the mixed liquor that the organic solvent is formed for decahydronaphthalene with chloroform, the first
The volume ratio of benzene and chloroform is 4:1；Wherein, the mixer, pulverizer, distilling machinery are that the prior art can be realized.
Obviously, described embodiment is only the part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, should all belong to the scope of protection of the invention.
Claims (10)
- A kind of 1. modified polyvinyl chloride, it is characterised in that：Include the component of following ratio of weight and number：20-30 parts of polyvinyl chloride, receives 10-15 parts of calcium carbonate of rice, 10-12 parts of carbon black, 5-8 parts of phenolic resin, 5-8 parts of insulation agent, 3-5 parts of mineral oil, stabilizer 2-3 Part.
- 2. modified polyvinyl chloride according to claim 1, it is characterised in that：The insulation agent is pressed for asbestos and quartz powder According to weight ratio 2:The mixture of 3 compositions.
- 3. modified polyvinyl chloride according to claim 2, it is characterised in that：The preparation process of the quartz powder is as follows： After taking quartz to clean and dry, quartz is ground using milling apparatus, quartz powder is made after crossing 120 mesh sieves.
- A kind of 4. method for being used to prepare modified polyvinyl chloride any one of claim 1-3, it is characterised in that：Including with Lower step：Premix：Polyvinyl chloride, nano-calcium carbonate, carbon black, phenolic resin, insulation agent are mixed to uniform, obtained dry mash；Stirring：Dry mash is put into mixing plant, adds organic solvent, mineral oil, stabilizer is stirred to glue, obtains glue Mixture；Colloidal mixture is crushed, organics removal is distilled, obtains polyvinyl chloride.
- 5. preparation method according to claim 4, it is characterised in that：The organic solvent is dimethylbenzene, naphthane and ten The mixed liquor that a kind of and chloroform in hydrogen naphthalene is formed.
- 6. preparation method according to claim 5, it is characterised in that：The organic solvent is formed for naphthane with chloroform Mixed liquor, the volume ratio of the toluene and chloroform is 4:1.
- 7. preparation method according to claim 4, it is characterised in that：The mixing plant includes teeter chamber（1）With arranged on Stir indoor agitating device（2）, the agitating device includes agitating shaft（21）, agitating paddle on agitating shaft（22）And use In the actuator for driving the agitating shaft to rotate（23）；The agitating paddle（22）It is equipped with and is used to guide fluid to rotate in agitating paddle During occur flowing with produced in teeter chamber turbulent flow turbulent flow passageway（221）.
- 8. modified polyvinyl chloride according to claim 7 and preparation method thereof, it is characterised in that：The agitating device（2） Further include the mixing component that can be moved up and down along teeter chamber's length direction（3）, the mixing component and the agitating shaft it Between be equipped with drive mechanism.
- 9. modified polyvinyl chloride according to claim 8 and preparation method thereof, it is characterised in that：The mixing component（3） Including stirring cross bar（1）, be respectively arranged on two connecting portions at stirring cross bar both ends（32）And rotatably it is arranged on the stirring cross bar Stirring parts（5）.
- 10. modified polyvinyl chloride according to claim 9 and preparation method thereof, it is characterised in that：The stirring parts（5）With The stirring cross bar（1）Between be equipped with the power-assist structure for being used for reducing frictional force between the two.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204208570U (en) * | 2014-09-26 | 2015-03-18 | 中煤科工集团淮北爆破技术研究院有限公司 | A kind of mixing of materials reactor device |
| CN105061921A (en) * | 2015-07-14 | 2015-11-18 | 安徽盛华管业有限公司 | Flame-retardant electric protection tube |
| CN106398042A (en) * | 2016-09-04 | 2017-02-15 | 淄博夸克医药技术有限公司 | Heat-resistant cable surface layer material and preparation method thereof |
| CN206426298U (en) * | 2017-01-20 | 2017-08-22 | 湖北博天体育设施有限公司 | A kind of scattered agitating device of plastic cement race track material |
-
2017
- 2017-12-30 CN CN201711488645.4A patent/CN108003516A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204208570U (en) * | 2014-09-26 | 2015-03-18 | 中煤科工集团淮北爆破技术研究院有限公司 | A kind of mixing of materials reactor device |
| CN105061921A (en) * | 2015-07-14 | 2015-11-18 | 安徽盛华管业有限公司 | Flame-retardant electric protection tube |
| CN106398042A (en) * | 2016-09-04 | 2017-02-15 | 淄博夸克医药技术有限公司 | Heat-resistant cable surface layer material and preparation method thereof |
| CN206426298U (en) * | 2017-01-20 | 2017-08-22 | 湖北博天体育设施有限公司 | A kind of scattered agitating device of plastic cement race track material |
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