CN108003472A - A kind of polypropylene and preparation method thereof - Google Patents
A kind of polypropylene and preparation method thereof Download PDFInfo
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- CN108003472A CN108003472A CN201711430929.8A CN201711430929A CN108003472A CN 108003472 A CN108003472 A CN 108003472A CN 201711430929 A CN201711430929 A CN 201711430929A CN 108003472 A CN108003472 A CN 108003472A
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- polypropylene
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0005—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor using fibre reinforcements
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
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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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of polypropylene, include the component of following ratio of weight and number：20 30 parts of polypropylene, 20 25 parts of resin, 10 12 parts of graphite, 58 parts of waste ceramic powder, 23 parts of Modal fibre, 12 parts of thickener, adiabatic 12 parts of agent, 12 parts of toughener.The present invention enhances polyacrylic corrosion-resistant and heat safe characteristic by adding graphite high degree in polypropylene, prolongs the service life.
Description
Technical field
The invention belongs to technical field of plastic, more particularly, to a kind of polypropylene and preparation method thereof.
Background technology
Polypropylene（Polypropylene, abbreviation PP）It is a kind of hemicrystalline thermoplastic.With higher impact resistance
Property, engineering properties is tough.But polyacrylic high temperature resistant that traditional preparation method of polypropylene is prepared, corrosion resistance compared with
Difference, under some extreme operating environments, it is easy to be corroded, service life is short.
The content of the invention
The present invention is in order to overcome the deficiencies of the prior art and provide strong polypropylene of a kind of corrosion resistance and preparation method thereof.
To achieve these goals, the present invention uses following technical scheme：A kind of polypropylene, including following ratio of weight and number
Component：20-30 parts of polypropylene, 20-25 parts of resin, 10-12 parts of graphite, 5-8 parts of waste ceramic powder, 2-3 parts of Modal fibre,
1-2 parts of thickener, adiabatic agent 1-2 parts, 1-2 parts of toughener.The increasing that the present invention passes through the addition graphite high degree in polypropylene
Strong polyacrylic corrosion-resistant and heat safe characteristic, prolongs the service life；Graphite and polypropylene are enhanced using waste ceramic powder
And the polymerizing power between resin so that polyacrylic intensity bigger, ball hardness number can reach more than 200；And waste ceramic powder
It is made using construction waste, abundant resource, realizes energy conservation and environmental protection；The soft of effective reinforced plastics part is capable of in the addition of Modal fibre
Toughness, counter-bending, cracking resistance, the performance of fracture can obtain the raising of high degree.
Further, the adiabatic agent is glass fibre, and the toughener is polyvinyl acetal, the toughener
For polyvinyl acetal.
Further, the waste ceramic powder is prepared using following steps：a:It is molten using hydrochloric acid after obtaining waste ceramic
Liquid carries out pickling to waste ceramic, is cleaned again using clear water afterwards；b:After the completion of cleaning, drain and dry waste ceramic,
Ground after broken by grinder, and cross 80 mesh sieves, obtain waste ceramic powder.
The invention also discloses one kind to be used to prepare above-mentioned polyacrylic preparation method, comprises the following steps：
（1）Preparing raw material：
a:Polypropylene is weighed according to ratio of weight and number, resin, graphite, waste ceramic powder, Modal fibre, thickener, adiabatic agent,
Toughener；
b:By polypropylene, resin, graphite, waste ceramic powder are added to mixer, after mixing 1-2h；Not generation is put into mixer
That fiber, thickener, adiabatic agent, toughener, after mixing 30-40min, is prepared raw material A；
（2）Injection molding：By the above-mentioned raw material A being prepared by injection-moulding device injection molding, polypropylene is obtained.
Further, the adiabatic agent is glass fibre；The toughener is polyvinyl acetal.
Further, the injection-moulding device includes lower die, the upper mold above lower die, between upper die and lower die
Demould column, the upper mold seat in upper mold, injection channel, the injection molding cavity in lower die and be removably arranged in injection molding cavity
Die holder；Operating cavity is equipped with the lower die, being equipped with part in the operating cavity penetrates to the anti-falling piece in the injection molding cavity, described
Die holder is equipped with and the matched anti-delinking part of the anti-falling piece；The lower die, which is equipped with, to be engaged with the anti-falling piece for releasing
Two assembling and dismantling handlers of the cooperation between the anti-falling piece and anti-delinking part, the two assembling and dismantling handler are symmetrical along the center line of the lower die
Set；The lower die is equipped with workpiece ejection piece and is equipped with the matched actuator of workpiece ejection piece, the die holder
The opening stretched out for the workpiece ejection piece.In the present invention by the cooperation of anti-falling piece and anti-delinking part realize die holder and injection molding cavity it
Between anticreep coordinate so that the outside diameter of die holder may be configured as the internal diameter for being slightly less than injection molding cavity, so that between the two will not be complete
In stuck state so that the dismounting of die holder relative injection chamber is more convenient；And there is provided the setting of attaching/detaching apparatus, it can control
By the state rapid translating of grafting anticreep to the state departed between anti-falling piece and anti-delinking part, consequently facilitating die holder can be quick
By being taken out in injection molding cavity, without prizing die holder by force, die holder is hardly damaged；, it is necessary to by lower die after workpiece injection molding
Demould and come out in seat, by the setting of workpiece ejection piece, can quickly realize the jacking operation to workpiece so that workpiece is in discharging
Directly depart from die holder, the demoulding is quick.
Further, the provision for disengagement includes one end lever piece matched with the anti-falling piece, another with the lever piece
The matched casting die in one end, act on reset components on the anti-falling piece and with the matched driving part of the casting die, it is described
Casting die outer end portion extend out to the lower die side wall to be engaged with the driving part；There is provided lever piece, so as to use
Lever principle driving anti-falling piece action, so that the active force acted on casting die easily can drive anti-falling piece to move without excessive
Dynamic, simple operation is laborsaving.
Further, the reset components are the stainless steel shrapnel that the multiple wavy shaped configurations being spaced apart are set；It is stainless
The sound construction of steel bomb piece, and return action power is big, so that when anti-falling piece and anti-delinking part coordinate, stainless steel shrapnel can act on
Larger pressure is on anti-falling piece so that the cooperation between anti-falling piece and anti-delinking part is stablized, die holder firm position.
Further, the reset components are the multiple compression springs being spaced apart；Compression spring is simple in structure, easy for installation, can carry
The efficiency of assembling of high equipment.
Further, the driving part includes being articulated with the connecting portion arranged on the connecting portion of the lower die side wall and middle part
On spanner；The spanner, which has, pulls end and driven end, this pulls the both sides that end and driven end are located at the connecting portion respectively；Institute
State driven end and be equipped with the card division coordinated with the casting die anticreep.
Further, when pull it is described pull end when, the driven end drives the casting die to close to the direction of injection molding cavity
Mobile, the anti-falling piece is with the casting die counteragent to release the cooperation with anti-delinking part；Pressure can be driven by pulling spanner
Part is moved, so that control anti-falling piece to be moved, for situation of the operation compared to direct pressing casting die for pulling spanner,
The power smaller applied is needed, operation is more laborsaving；And pulling to pull downwards due to spanner, operation smoothly, can apply compared with
Big power, while comfort and laborsaving sense can have been lifted.
Further, the lower die, which is equipped with, is used to jack up the jacking component of the die holder upwards, the casting die to by
During the nearly injection cavity direction movement, jacking operation can occur under the driving of casting die for the jacking component；By jacking component
Setting so that die holder can under the jacking of jacking component directly by injection molding cavity in stretch out so that without under when replacing
Die holder carries out prizing die holder, you can directly die holder taken, it is easy to operate, and it is time saving and energy saving, and die holder will not answer
To force to prize to damage, service life length.
Further, the jacking component is engaged including the jacking part below the injection molding cavity, with the jacking part
Driving member and with the matched impeller of the driving member；Described driving member one end is engaged with jacking part, and the other end is with promoting
Part is engaged；The impeller can push down on the driving member under the driving of casting die, and driving member can drive jacking part to move up
Jack up die holder；Impeller movement can be directly driven during casting die action, realizes the jacking operation of jacking component, and then works as and pulls
During hand, the disengaging of anti-falling piece and anti-delinking part can be synchronously realized, while realize jacking operation of the jacking component to die holder, without dividing
Step operation releases the operation of anticreep and jacking to realize respectively, and operation is more easy to be laborsaving；Without in addition setting actuator to realize
The jacking for jacking component is operated, parts are few, and failure rate is low；And the driving principle between impeller and jacking part is also lever
Principle, so that push piece need not act on power very big on driving member, you can realize the fast servo of jacking part, and jack dynamics
It is larger, be not in the situation that can not jack up die holder.
Further, there is the portion that arches upward, which is at least partly bent to form by the impeller on the impeller；
The casting die is engaged with the portion of arching upward, and the portion of arching upward has certain deformability, will when casting die is pressed into the portion of arching upward
So that the portion of arching upward is stretched, so as to promote driving member to act, you can realizes the jacking operation of jacking part.
Further, the workpiece ejection piece includes the body of rod and the arc panel with being connected in body of rod top, the arc panel
On be arranged with sealing ring；Arc panel can increase the contact area between jacking part and workpiece, be more easy to workpiece being lifted off die holder, and
Workpiece is not in the excessive situation of local pressure, is hardly damaged；Sealing ring can realize excellent sealing with opening, so as to avoid noting
Hot modeling liquid in the gap between opening and sealing ring by revealing downwards during modeling.
In conclusion the present invention has the following advantages：It is poly- by adding enhancing for graphite high degree in polypropylene
The corrosion-resistant and heat safe characteristic of propylene, prolongs the service life；Graphite and polypropylene and resin are enhanced using waste ceramic powder
Between polymerizing power so that polyacrylic intensity bigger, ball hardness number can reach more than 200；And waste ceramic powder is used and built
Build waste material to be made, abundant resource, realizes energy conservation and environmental protection.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the enlarged drawing at B in Fig. 1.
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 polypropylene, includes the component of following ratio of weight and number：20 parts of polypropylene, 20 parts of resin, 10 parts of graphite, waste ceramic powder
5 parts, 2 parts of Modal fibre, 1 part of thickener, adiabatic 1 part of agent, 1 part of toughener；The thermal insulation agent is glass fibre, the increasing
Tough dose is polyvinyl acetal, and the toughener is polyvinyl acetal；The waste ceramic powder is prepared using following steps
Obtain：a:After obtaining waste ceramic, molar concentration is used to carry out pickling to waste ceramic for the hydrochloric acid solution of 0.5mol/L, afterwards
Cleaned using clear water, rinsed well until by the hydrochloric acid on waste ceramic again；b:After the completion of cleaning, drain and dry discarded
Ceramics, are ground after crusher in crushing, then by grinder, and cross 80 mesh sieves, obtain waste ceramic powder.
A kind of above-mentioned polyacrylic preparation method, comprises the following steps：（1）Preparing raw material：a:According to ratio of weight and number
Polypropylene 20kg, 20 kg of resin, 10 kg of graphite, Modal fibre 2kg, thickener 1kg are weighed, 5 kg of waste ceramic powder is adiabatic
1 kg of agent, 1 kg of toughener；b:By polypropylene, resin, graphite, waste ceramic powder are added to mixer, by the temperature of mixer
120 DEG C are warming up to, after starting mixer mixing 1h；Modal fibre, thickener, adiabatic agent, toughness reinforcing are put into mixer
Agent, after mixing 30min, is prepared raw material A；（2）Injection molding：The above-mentioned raw material A being prepared is noted by injection-moulding device
Type is moulded into, obtains polypropylene.Above-mentioned crusher, grinder, mixer are the prior art, are repeated no more.
As shown in Figs. 1-2, the injection-moulding device includes lower die 1, the upper mold 2 above lower die, arranged on upper die and lower die
Between demoulding column 3, the upper mold seat 4 in upper mold, injection channel 5, the injection molding cavity 6 in lower die and be removably arranged on
Die holder 7 in injection molding cavity；4 top of upper mold seat is arranged on a connecting pole, which is spirally connected with the upper mold, so that
Upper mold seat is removable with respect to upper mold；Cavity also is provided with the die holder, the internal structure of the cavity and the external structure of upper mold seat
It is identical, by the cooperation of upper and lower mould, realize injection molding；It is arranged in the injection channel in upper mold, on the upper mold seat
Equipped with a passage, when upper mold seat is connected with upper mold, the top of the passage is connected with injection channel, and lower part extends to die holder
Lower part, so that when upper and lower mould is close to each other so that upper mold seat is entered in die holder, and occurs corresponding work between upper and lower die holder
Behind the gap of part thickness, molten plastic is injected into the gap by injection channel；Further, the left and right sides of the lower die
On be respectively equipped with an operating cavity 11, be respectively equipped with anti-falling piece 12 in two operating cavities, which is made of metal, and anti-falling piece exists
During original state, there will be part to be outwards pierced by by the side wall of injection molding cavity, penetrate to injection molding cavity；The left and right sides of the die holder 1
Wall is equipped with anti-delinking part 13 matched with the anti-falling piece, which is the open slot on die holder side wall, described
Two anti-falling pieces can be respectively penetrated to corresponding open slot, realized to the spacing of die holder.
Die holder is dismounted for convenience, we are provided with the lower die 1 and are engaged with the anti-falling piece 12
For releasing two assembling and dismantling handlers of the cooperation between the anti-falling piece and anti-delinking part 13, and the two assembling and dismantling handler is along under described
The center line of mould 1 is symmetrical arranged, and then two anti-falling pieces each correspond to an attaching/detaching apparatus；Specifically, the provision for disengagement includes lever piece
81st, casting die 82, reset components 83 and driving part, the lever piece 81 are a metallic rod, and support seat, the thick stick are equipped with operating cavity
The middle part of rod piece 81 and the support seat hinge；81 one end of lever piece is connected with the anti-falling piece, other end casting die 82 with it is described
Casting die is connected；The reset components 83 are the stainless steel shrapnel that multiple wavy shaped configurations for being spaced apart are set, these stainless steels
The equal one end of shrapnel is connected with operation cavity wall, and the other end is connected with one end that lever piece is connected with anti-falling piece, so that resetting
The active force of component 83 can be acted on to anti-falling piece；In other embodiment, the reset components 83 may be configured as interval point
Multiple compression springs of cloth, the equal one end of these compression springs are connected with operation cavity wall, one end that the other end is connected with lever piece with anti-falling piece
It is connected；During original state, 82 outer end of casting die extend out to 1 side wall of lower die to be engaged with the driving part, described
Driving part includes the spanner 85 being articulated with arranged on the connecting portion 84 of the lower die side wall and middle part on the connecting portion；The spanner 85
With end 851 and driven end 852 is pulled, this pulls two side positions that end 851 and driven end 852 are located at the connecting portion 84 respectively
On；Further, the driven end 852 is equipped with card division 853, which is hollow set to be fixed on driven end internal
The cutting ferrule put, which, which directs out, has extended to form a circle flange, and the casting die outer end is penetrated to the cutting ferrule, and outside
A ring groove is arranged on the lateral wall of end, when casting die outer end is penetrated to cutting ferrule, flange can just be penetrated to annular groove, realized
Anticreep between spanner and casting die coordinates.
Specifically, when pull it is described pull end 851 when, the driven end 852 drives the casting die 82 to close to injection molding cavity 6
Direction movement, lever piece drives the anti-falling piece 12 and 82 counteragent of casting die, and then anti-falling piece retraction is to operating cavity
It is interior, so release with the cooperation of anti-delinking part 13, at this time die holder can relative injection chamber dismantled.
Be used to jack up the jacking component 9 of the die holder upwards preferably, the lower die 1 is equipped with, the casting die to
During close to the injection cavity direction movement, jacking operation can occur under the driving of casting die for the jacking component 9；Specifically, institute
State jacking component 9 include be arranged on the injection molding cavity below jacking part 91, with the matched driving member 92 of the jacking part and with this
The matched impeller 93 of driving member；The jacking part is metallic rod body, and the driving member is a metallic rod, is set in the operating cavity
There is a convex portion, be hinged in the middle part of the driving member with the convex portion, so that driving member becomes lever；Described 92 one end of driving member and top
Rise part 91 to be engaged, the other end is engaged with impeller 93；The impeller 93 can push down on the biography under the driving of casting die
Moving part 92, driving member 92 can drive jacking part 91 to move up jack-up die holder；Specifically, the impeller 93 is stainless steel plate, and
There is the portion 931 that arches upward, which is directly bent to form by impeller middle and upper part position on the impeller 93；By
In stainless steel plate there is certain deformability, when moved in casting die press arch upward portion when, the portion of arching upward will be driven plain, so that push piece
Length, pushes down on one end of driving member, and the other end of driving member can be upturned so that jacking part moves up.
In order to facilitate take out be molded after workpiece, we in the lower die 1 be provided with workpiece ejection piece 101 and with the work
The matched actuator 102 of part ejection piece, the actuator are the motor that is directly commercially available on the market, the workpiece ejection piece
It is made of metal, which includes the body of rod 103 and the arc panel 104 for being connected in body of rod top, the radian of the arc panel
It is identical with the cavity bottom radian in die holder；The die holder 7 is equipped with the opening stretched out for the arc panel, the shape of the opening
Shape and size are identical with arc panel；Preferably, a circle sealing ring 105 is arranged with the arc panel, can be right by the sealing ring
Closed in gap between arc panel and opening.
Embodiment 2
A kind of polypropylene, includes the component of following ratio of weight and number：30 parts of polypropylene, 25 parts of resin, 12 parts of graphite, waste ceramic powder
8 parts, 3 parts of Modal fibre, 2 parts of thickener, adiabatic 2 parts of agent, 2 parts of toughener；The thermal insulation agent is glass fibre, the increasing
Tough dose is polyvinyl acetal, and the toughener is polyvinyl acetal；The waste ceramic powder is prepared using following steps
Obtain：a:After obtaining waste ceramic, molar concentration is used to carry out pickling to waste ceramic for the hydrochloric acid solution of 0.5mol/L, afterwards
Cleaned using clear water, rinsed well until by the hydrochloric acid on waste ceramic again；b:After the completion of cleaning, drain and dry discarded
Ceramics, are ground after crusher in crushing, then by grinder, and cross 80 mesh sieves, obtain waste ceramic powder.
A kind of above-mentioned polyacrylic preparation method, comprises the following steps：（1）Preparing raw material：a:According to ratio of weight and number
30 kg of polypropylene, 25 kg of resin, 12 kg of graphite, waste ceramic powder 8 kg, Modal fibre 3kg are weighed, thickens 2kg, it is adiabatic
2 kg of agent, 2 kg of toughener；b:By polypropylene, resin, graphite, waste ceramic powder are added to mixer, by the temperature of mixer
120 DEG C are warming up to, after starting mixer mixing 2h；Modal fibre, thickener, adiabatic agent, toughness reinforcing are put into mixer
Agent, after mixing 40min, is prepared raw material A；（2）Injection molding：The above-mentioned raw material A being prepared is noted by injection-moulding device
Type is moulded into, obtains polypropylene.Above-mentioned crusher, grinder, mixer are the prior art, are repeated no more.
The structure of the injection-moulding device is same as Example 1, repeats no more.
Embodiment 3
A kind of polypropylene, includes the component of following ratio of weight and number：30 parts of polypropylene, 20 parts of resin, 12 parts of graphite, waste ceramic powder
6 parts, 3 parts of Modal fibre, 1 part of thickener, adiabatic 2 parts of agent, 1 part of toughener；The thermal insulation agent is glass fibre, the increasing
Tough dose is polyvinyl acetal, and the toughener is polyvinyl acetal；The waste ceramic powder is prepared using following steps
Obtain：a:After obtaining waste ceramic, molar concentration is used to carry out pickling to waste ceramic for the hydrochloric acid solution of 0.5mol/L, afterwards
Cleaned using clear water, rinsed well until by the hydrochloric acid on waste ceramic again；b:After the completion of cleaning, drain and dry discarded
Ceramics, are ground after crusher in crushing, then by grinder, and cross 80 mesh sieves, obtain waste ceramic powder.
A kind of above-mentioned polyacrylic preparation method, comprises the following steps：（1）Preparing raw material：a:According to ratio of weight and number
30 kg of polypropylene, 20 kg of resin, 12 kg of graphite, waste ceramic powder 6 kg, Modal fibre 3kg, thickener 1kg are weighed, absolutely
2 kg of thermit powder, toughener 1；b:By polypropylene, resin, graphite, waste ceramic powder are added to mixer, by the temperature liter of mixer
Temperature is to 120 DEG C, after starting mixer mixing 1.5h；Modal fibre, thickener, adiabatic agent, toughness reinforcing are put into mixer
Agent, after mixing 30min, is prepared raw material A；（2）Injection molding：The above-mentioned raw material A being prepared is noted by injection-moulding device
Type is moulded into, obtains polypropylene.Above-mentioned crusher, grinder, mixer are the prior art, are repeated no more.
The structure of the injection-moulding device is same as Example 1, repeats no more.
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 (9)
- A kind of 1. polypropylene, it is characterised in that：Include the component of following ratio of weight and number：20-30 parts of polypropylene, resin 20-25 Part, 10-12 parts of graphite, 5-8 parts of waste ceramic powder, 2-3 parts of Modal fibre, 1-2 parts of thickener, adiabatic agent 1-2 parts, toughener 1-2 parts.
- 2. polypropylene according to claim 1, it is characterised in that：The thermal insulation agent is glass fibre, and the toughener is Polyvinyl acetal, the toughener are polyvinyl acetal.
- 3. polypropylene according to claim 1, it is characterised in that：The waste ceramic powder is prepared using following steps： a:After obtaining waste ceramic, pickling is carried out to waste ceramic using hydrochloric acid solution, is cleaned again using clear water afterwards；b:Cleaning After the completion of, drain and dry waste ceramic, ground after broken by grinder, and 80 mesh sieves are crossed, obtain waste ceramic powder.
- 4. polyacrylic preparation method according to claim 1, it is characterised in that：Comprise the following steps：（1）Preparing raw material：a:Polypropylene, resin, graphite, waste ceramic powder, adiabatic agent, toughener are weighed according to ratio of weight and number；b:By polypropylene, resin, graphite, waste ceramic powder are added to mixer, after mixing 1-2h；Put into mixer adiabatic Agent, toughener, after mixing 30-40min, is prepared raw material A；（2）Injection molding：By the above-mentioned raw material A being prepared by injection-moulding device injection molding, polypropylene is obtained.
- 5. polyacrylic preparation method according to claim 5, it is characterised in that：The thermal insulation agent is glass fibre；Institute It is polyvinyl acetal to state toughener.
- 6. polyacrylic preparation method according to claim 5, it is characterised in that：Including lower die（1）, above lower die Upper mold（2）, demoulding column between upper die and lower die（3）, upper mold seat in upper mold（4）, injection channel（5）, set In the injection molding cavity in lower die（6）And dismountable die holder in injection molding cavity（7）.
- 7. polyacrylic preparation method according to claim 6, it is characterised in that：The lower die is equipped with anti-falling piece （12）, the die holder（1）It is equipped with and the matched anti-delinking part of the anti-falling piece（13）；The lower die（1）Be equipped with it is described Anti-falling piece（12）It is engaged for releasing the anti-falling piece and anti-delinking part（13）Between cooperation two assembling and dismantling handlers；The lower die （1）It is equipped with workpiece ejection piece（101）With with the matched actuator of workpiece ejection piece（102）, the die holder（7）On set There is the opening stretched out for the workpiece ejection piece.
- A kind of 8. polypropylene according to claim 7 and preparation method thereof, it is characterised in that：The provision for disengagement includes one End and the matched lever piece of the anti-falling piece（81）And the matched casting die of the lever piece other end（82）, act on it is described Reset components on anti-falling piece（83）And with the matched driving part of the casting die, the casting die（82）Outer end portion extend out to institute State lower die（1）Side wall with the driving part to be engaged.
- A kind of 9. polypropylene according to claim 8 and preparation method thereof, it is characterised in that：The driving part includes setting In the connecting portion of the lower die side wall（84）The spanner on the connecting portion is articulated with middle part（85）；The spanner（85）With pulling End（851）And driven end（852）, this pulls end（851）And driven end（852）It is located at the connecting portion respectively（84）Both sides； The driven end（852）It is equipped with and the casting die（82）The card division that anticreep coordinates（853）.
Priority Applications (1)
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