CN110078995A - A kind of black masterbatch that can improve PE tubing stress characteristics - Google Patents
A kind of black masterbatch that can improve PE tubing stress characteristics Download PDFInfo
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- CN110078995A CN110078995A CN201910355970.6A CN201910355970A CN110078995A CN 110078995 A CN110078995 A CN 110078995A CN 201910355970 A CN201910355970 A CN 201910355970A CN 110078995 A CN110078995 A CN 110078995A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/08—Copolymers of ethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/26—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers modified by chemical after-treatment
- C08J2423/30—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers modified by chemical after-treatment by oxidation
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- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
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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
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
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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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
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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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/20—Carboxylic acid amides
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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
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
- C08K5/526—Esters of phosphorous acids, e.g. of H3PO3 with hydroxyaryl compounds
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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
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
Abstract
The present invention relates to coloring plastic technical fields, a kind of black masterbatch that can improve PE tubing stress characteristics is disclosed, by following parts by weight at being grouped as: carrier 40-60, carbon black 40-45, dispersing agent 5-20, coupling agent 0.5-2, processing aid 0.5-2, promotor 0.5-2, antioxidant 1.2-1.6.The present invention can promote the dispersion of carbon black, solve the problems, such as to cause tubing to crack because carbon black dispersion is uneven by the way that dispersing agent, coupling agent, promotor is added.
Description
Technical field
The present invention relates to coloring plastic technical fields, and in particular to a kind of carbon black that can improve PE tubing stress characteristics is female
Grain.
Background technique
PE (polyethylene) pipeline is one of most common pipeline, due to its distinctive performance advantage, be widely used in
In the various fields such as water, draining.But due to polyethylene molecule architectural characteristic, make polyethylene pipe in atmosphere, sunlight and oxygen
Under effect, it may occur that aging discoloration, is cracked, becomes fragile or dusting, or even losing its mechanical property.Therefore raw in polyvinyl piping materials
Addition, which is one to anti-ultraviolet carbon black color masterbatch, in production prevents the feasible method of polyethylene pipe aging.
But due to the limitation of cost and technology, the polyvinyl piping materials for adding the production of carbon black color masterbatch at present, which exist, is much asked
Topic, firstly, small molecule excessive in carbon black color masterbatch formula components will cause the decline of tubing compressive resistance；Secondly, carbon black is in tubing
Middle dispersion unevenness causes tube performance defect；Finally, the interface processing of carbon black and matrix is bad, the comprehensive performance of tubing is influenced,
These types of situation especially will cause the large-scale stress cracking of tubing later period appearance and destroy.
Summary of the invention
An object of the present invention is to provide a kind of black masterbatch that can improve PE tubing stress characteristics, to solve because of tubing
Middle carbon black dispersion it is uneven and caused by the problem of cracking in tubing later period.
To achieve the above object, The technical solution adopted by the invention is as follows:
A kind of black masterbatch that can improve PE tubing stress characteristics, by following parts by weight at being grouped as: carrier 40-
60, carbon black 40-45, dispersing agent 5-20, coupling agent 0.5-2, processing aid 0.5-2, promotor 0.5-2, antioxidant 1.2-1.6.
Compared with prior art, the principle of the present invention and the utility model has the advantages that the present invention using carrier as raw material, wherein being added
Carbon black effectively prevents the aging of tubing to increase tubing to anti-ultraviolet ability；Since carbon black itself is to reunite, because
Dispersing agent is added in this, keeps carbon black uniform in support material by the dispersion performance of dispersing agent carbon-enwrap using dispersing agent
Dispersion, prevents carbon black from reuniting；Since carbon black is inorganic matter, and carrier is usually organic matter, such as polyethylene, therefore in order to
Keep the two preferably compatible, coupling agent is added, is handled, that is, is coupled using the amphipathic property confrontation carbon blacksurface of coupling agent
Agent one end is connect with carbon black, and the other end is connect with other organic components, keeps carbon black evenly dispersed in component, is improved final
The quality of tubing；Simultaneously in order to advantageously promote carbon black dispersion, processing aid and promotor is added, enable carbon black preferably into
Row dispersion；Antioxidant is added, increases the antioxygenic property of tubing, the speed of tubing aging is reduced, to extend the use of tubing
Service life.
Further, the carrier is high density polyethylene (HDPE).It is nontoxic, tasteless and simple, be easy to get.
Further, the carrier is the mixture of polyethylene pellet and polyethylene powder, wherein polyethylene pellet and poly- second
The weight part ratio of alkene powder is 2:1.By the mixing of pellet and powder, it can guarantee mixed uniformity, prevent blanking
Unevenly, the problem of stirring agglomeration.
Further, the carbon black is channel black, partial size 20-40mm.Carbon black mass made from channel process technique is more excellent, and
Carbon black can preferably be dispersed under the partial size.
Further, the dispersing agent is polyethylene wax, vinyl bis-stearamides, ester type waxes, EVA wax, oxidized polyethylene wax
One of.Such dispersant molecule amount is relatively concentrated, and journey narrow distribution is melted, and performance is stablized, and has promotion to pipe workpiece quality
Effect.
Further, the coupling agent is one of titanate esters, vinyl silanes.Such coupling agent can function well as
The effect of coupling promotes the mixing between carbon black and other compositions, to achieve the effect that uniformly mixed.
Further, the processing aid is one of calcium stearate, odium stearate, zinc stearate, magnesium stearate or more
Kind.Carbon black dispersion can be promoted uniform using such processing aid, improve the quality of tubing.
Further, the promotor is talcum powder, mica, barium sulfate, titanium dioxide, calcium carbonate, one in silica
Kind is a variety of.Cost is relatively low for such promotor, and can effectively promote carbon black dispersion, prevents carbon black from reuniting.
Further, the antioxidant is one or both of antioxidant 1010, antioxidant 330 or irgasfos 168.It should
Kind antioxidant has excellent antioxygenic property, the inoxidizability of tubing can be effectively improved, to delay tubing aging.
The second object of the present invention is to provide a kind of processing technology of black masterbatch, comprising the following steps:
(1) pre-dispersed: carbon black, dispersing agent, coupling agent, processing aid, promotor and antioxidant are mixed；First in 20-
25 DEG C, stir 3-8 minutes under 300-450rpm, then stir 2-5 minutes at 20-25 DEG C, 900-1200rpm, then exist
100-120 DEG C, stir 2-5 minutes under 900-1200rpm, be eventually adding carrier, stirred at 100-120 DEG C, 900-1200rpm
Blanking after 5-8 minutes；
(2) mixing: the masterbatch after will be pre-dispersed, which is added in mixer, carries out mixing；
(3) it is granulated: the product after the completion of mixing being transferred in pelletizer and is granulated.
Black masterbatch is produced using the technique, is first mixed the other compositions other than carrier, first room temperature low speed stirs
It mixes, then room temperature high-speed stirred again, then high temperature and high speed stirs again, makes to be sufficiently mixed between each ingredient；Then it is slow added into
Support material carries out high temperature and high speed stirring, is sufficiently mixed raw material with other compositions, especially enables carbon black therein uniform
Ground dispersion prevents carbon black from the quality for reuniting and influencing tubing occurs.Masterbatch is added in mixer after mixing, passes through mixer
Internal mixing and plasticizing is carried out to masterbatch, finally the good product of mixing is added in pelletizer and is granulated, the life of black masterbatch is completed
Produce preparation.Entire machining process is simple, easily operated, and is able to produce out evenly dispersed black masterbatch, is subsequent life
It produces tubing and provides the raw material of fine quality.
Detailed description of the invention
Fig. 1 is the main view partial cutaway view of mixer in the embodiment of the present invention.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes: mixing case 1, material feeding box 2, kneading rotor 3, servo motor 4, shaft coupling
5, scraping wings 6, hydraulic cylinder 7, charging box 8, paddle 9, passage 10, discharge port 11, baffle 12, iron block 13, the first spring 14,
Rack gear 15, electromagnet 16, touching delay switch 17, the first elevating arc 18, stomata 19, filter 20, cylinder body 21, rodless cavity 22,
Rod chamber 23, triple valve 24, the first check valve 25, second one-way valve 26, second spring 27, piston plate 28, piston rod 29, second
Elevating arc 30.
One, embodiment data are as shown in table 1:
Table 1 (unit: Kg)
| Embodiment | Carrier | Carbon black | Dispersing agent | Coupling agent | Processing aid | Promotor | Antioxidant |
| 1 | 40 | 40 | 5 | 0.5 | 0.5 | 0.5 | 1.2 |
| 2 | 40 | 41 | 7 | 0.6 | 0.7 | 0.8 | 1.2 |
| 3 | 45 | 42 | 9 | 0.6 | 1.0 | 1.1 | 1.3 |
| 4 | 50 | 43 | 12 | 0.9 | 1.2 | 1.3 | 1.4 |
| 5 | 55 | 43 | 15 | 1.3 | 1.5 | 1.5 | 1.5 |
| 6 | 60 | 44 | 18 | 1.6 | 1.7 | 1.7 | 1.6 |
| 7 | 60 | 45 | 20 | 2 | 2 | 2 | 1.6 |
By taking embodiment 1 as an example, illustrate the black masterbatch that can improve PE tubing stress characteristics formed in table 1, by with
Lower parts by weight at being grouped as: carrier 40Kg, carbon black 40Kg, dispersing agent 5Kg, coupling agent 0.5Kg, processing aid 0.5Kg, promote
Into agent 0.5Kg, antioxidant 1.2Kg.
In above-described embodiment 1 to 7, carrier is high density polyethylene (HDPE), and by the mixing of polyethylene pellet and polyethylene powder
Object, wherein polyethylene pellet and the weight part ratio of polyethylene powder are 2:1.
In above-described embodiment 1 to 7, carbon black is channel process technique carbon black, partial size 20-40mm.
In above-described embodiment 1 to 7, dispersing agent is polyethylene wax, vinyl bis-stearamides, ester type waxes, EVA wax, aoxidizes and gather
One of ethylene waxes.Wherein polyethylene wax selects polymerization technique wax, its advantage is that molecular weight is relatively concentrated, melts journey distribution
Relatively narrow, performance is stablized.
In above-described embodiment 1 to 7, the coupling agent is one of titanate esters, vinyl silanes.
In above-described embodiment 1 to 7, processing aid is calcium stearate, odium stearate, zinc stearate, one in magnesium stearate
Kind or a variety of mixtures.
In above-described embodiment 1 to 7, promotor is talcum powder, mica, barium sulfate, titanium dioxide, calcium carbonate, silica
One of or a variety of mixtures.
In above-described embodiment 1 to 7, antioxidant is one of antioxidant 1010, antioxidant 330 or irgasfos 168 or two
Kind mixture.
Two, by taking embodiment 4 in table 1 as an example, the preparation process of black masterbatch of the present invention is illustrated:
Using polyethylene wax as dispersing agent in embodiment 4, titanate esters are helped as coupling agent, calcium stearate as processing
Agent, nanometer calcium carbonate is as promotor and irgasfos 168 as antioxidant.
1, pre-dispersed
By 43Kg carbon black, 12Kg polyethylene wax, 0.9Kg titanate esters, 1.2Kg calcium stearate, 1.3Kg nanometer calcium carbonate and
1.4Kg irgasfos 168 is added in mixing machine, and adjusting temperature is 20-25 DEG C, revolving speed is that 300-450rpm stirs at low speed 3-8 points
Clock；Then in the case where keeping temperature-resistant, rotating-speed modulation 900-1200rpm is stirred 2-5 minutes；Then revolving speed is being kept
In the case where constant, temperature is risen into 100-120 DEG C of stirring 2-5 minutes；Period stirred at low speed by room temperature, room temperature high-speed stirred
And high temperature and high speed stirring is sufficiently mixed mentioned component.Finally at 100-120 DEG C, 900-1200rpm, it is slowly added to 50Kg
Carrier (wherein polyethylene pellet is 40Kg, polyethylene powder 10Kg) continues stirring 5-8 minutes, is formed after evenly mixing mixed
Combination master batch.
2, mixing
Mixing masterbatch after will be pre-dispersed, which is added in mixer, carries out mixing.
3, it is granulated
Product after the completion of mixing is transferred in pelletizer and is granulated, product is obtained.
The mixer that above-mentioned preparation process uses, structure are solid in rack as shown in Figure 1, the mixer includes rack
It is connected to mixing case 1 and the material feeding box being connected to mixing case 12, is rotatably connected to a pair of of kneading rotor 3 in mixing case 1, in rack
It is connected with the servo motor 4 that driving kneading rotor 3 rotates, shaft coupling 5 is connected between kneading rotor 3 and servo motor 4；Charging
Scraping wings 6 is slidably connected in case 2, and the hydraulic cylinder 7 of driving scraping wings 6 is connected on material feeding box 2.Charging box is connected in rack
8, discharge port 11 is provided on charging box 8, paddle 9 is rotatably connected in charging box 8, and 9 turns of paddle of driving is connected in rack
Dynamic motor is communicated with passage 10 between the discharge port 11 and material feeding box 2 of charging box 8, slidably connects and be used on charging box 8
The baffle 12 of discharge port 11 is closed, iron block 13 is connected on baffle 12, the first spring is welded between iron block 13 and charging box 8
14；It being slid vertically in rack and is connected with rack gear 15, the frictional force between rack gear 15 and rack can overcome the gravity of rack gear 15, with
Prevent rack gear in not slide downward under by other external forces, 15 upper end of rack gear is connected with electromagnet 16, the weight of electromagnet 16
Greater than iron block 13, when the two generates interaction, electromagnet 16 will drive iron block 13 mobile, and iron block 13 is then unable to drive electromagnetism
Iron 16 is mobile, is equipped in rack and touches delay switch 17, in the present embodiment, the touching delay of family's grace model AF86 is selected to open
It closes, 15 slide downward of rack gear can offset with touching delay switch 17, make its starting；It is coaxially connected in one of kneading rotor 3
There is the first elevating arc 18 for engaging with rack gear 15.Upper and lower two stomatas 19 are provided on material feeding box 2, at the stomata 19 of upside
It is communicated with filter 20, in the present embodiment, selects the air filter of model AF2000-01, be connected with cylinder body 21 in rack,
Cylinder body 21 is divided into rodless cavity 22 and rod chamber 23 by piston, and rodless cavity 22 is connected to by hose 24 with filter 20, no bar
First check valve 25 of oriented 22 one-way conduction of rodless cavity is installed between chamber 22 and filter 20, rod chamber 23 by hose 24 with
The stomata 19 of downside is connected to, and the second list of oriented 2 one-way conduction of material feeding box is installed between rod chamber 23 and the stomata of downside 19
To valve 26, connection rodless cavity 22 is installed with extraneous unidirectional air outlet valve on cylinder body 21 and be connected to the list of rod chamber 23 with the external world
To intake valve；Second spring 27 is welded between piston plate 28 and cylinder body 21, integrally formed with the gear teeth on piston rod 29, wherein one
The second elevating arc 30 for engaging with piston rod 29 is coaxially connected in a kneading rotor 3.
When mixing, will be pre-dispersed after mixing masterbatch be added in charging box 8, start motor, motor will drive paddle 9
Rotation, is stirred masterbatch, prevents masterbatch from agglomerating for a long time.Start servo motor 4, servo motor 4, which first will drive to be kneaded, to be turned
Son 3 rotates forward, and equipment is made first to run the preheated one-section time；The first elevating arc 18 will be rotated forward with kneading rotor 3 in the process, and first
18 per revolution of elevating arc will move down certain distance with carry-over bar 15；When rack gear 15 is moved to and touches delay switch 17
When offseting, touching delay switch 17 starts, and is powered to electromagnet 16, and electromagnet 16 will be to 13 magnetic attraction of iron block, baffle 12 at this time
It will be connected to 13 slide downward of iron block, discharge port 11 with passage 10, the first spring 14 is stretched, and the masterbatch in charging box 8 will
It is rapidly introduced into material feeding box 2, is fallen in mixing case 1 along passage 10, at the same time, servo motor 4, which will drive to be kneaded, to be turned
Son 3 rotates backward, and the first elevating arc 18 will gradually band carry-over bar 15 move up, and divides rack gear 15 with touching delay switch 17
From since touching delay switch 17 has delay function, the following period of time touching delay switch 17 after separation is still in starting
State；Delay switch 17 is touched after a period of time will turn off, and electromagnet 16 will be powered down, and the first spring 14 will drive iron block
13 reset upwards, close baffle 12 by discharge port 11, stop charging, joined certain masterbatch in mixing case 1 at this time.
Start hydraulic cylinder 7, hydraulic cylinder 7 will drive scraping wings 6 to move down, it would be possible to be adhered on 8 inner wall of charging box
Masterbatch is pushed into mixing case 1, to reduce significant loss；Subsequent hydraulic cylinder 7 resets driving scraping wings 6 upwards, passes through mixing
Rotor 3 carries out mixing to masterbatch.In the process, due to the interaction of masterbatch and kneading rotor 3,2 medium temperature of mixing case 1 and material feeding box
Degree and pressure will be increased constantly, in order to guarantee temperature therein and pressure in a certain range, prevent unexpected generation, by mixed
It refines the rotation of rotor 3 and drives the rotation of the second elevating arc 30, it is reciprocal with piston progress by the second elevating arc 30 and second spring 27
Sliding makes air and external world's sky in mixing case 1 and material feeding box 2 to change the pressure between rodless cavity 22 and rod chamber 23
Gas swaps, it may be assumed that and when piston upward sliding, i.e. 29 upward sliding of piston plate 28 and piston rod, second spring 27 is stretched, this
When rodless cavity 22 in pressure increase, pressure reduces in rod chamber 23, and the air in rodless cavity 22 is discharged through unidirectional air outlet valve, extraneous
Air will enter in rod chamber 23 through breather cheek valve.；After the second elevating arc 30 is separated with piston rod 29, second spring 27
The reset of 28 slide downward of piston plate is pulled on, pressure reduces in rodless cavity 22 in the process, and pressure increases in rod chamber 23, therefore,
Air in mixing case 1 and material feeding box 2 enters stomata 19, filter 20, hose 24 through upside in rodless cavity 22, and has
Air in rod cavity 23 enters the stomata 19 through hose 24, downside in mixing case 1 and material feeding box 2, thus outer space in realizing
The exchange of gas.In the process, the air that the stomata 19 out of case through upside is discharged all needs to be filtered through filter 20, then arranges again
It puts, carrys out environmental pollution to prevent stop-band and to the damage of workers ' health.
Mixing is carried out to masterbatch by the mixer, using the rotation of kneading rotor 3, can be realized intermittently automatic add
Material, without manually feeding, improves the efficiency of production, also reduces damage of the plastic raw materials to human health；Mixing
Cheng Zhong is cooperated using cylinder body 21 and kneading rotor 3, replaces to the air in mixing case 1, prevent the temperature inside the box and pressure mistake
High and bring hidden danger；The cooperation designed by structure improves the efficiency of mixing, has also achieved section while completing mixing
The effect of energy.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Make several modifications and improvements.These also should be considered as protection scope of the present invention, these all will not influence what the present invention was implemented
Effect and patent practicability.The scope of protection required by this application should be based on the content of the claims, in specification
The records such as specific embodiment can be used for explaining the content of claim.
Claims (10)
1. a kind of black masterbatch that can improve PE tubing stress characteristics, it is characterised in that: by following parts by weight at being grouped as:
Carrier 40-60, carbon black 40-45, dispersing agent 5-20, coupling agent 0.5-2, processing aid 0.5-2, promotor 0.5-2, antioxidant
1.2-1.6。
2. a kind of black masterbatch that can improve PE tubing stress characteristics according to claim 1, it is characterised in that: the load
Body is high density polyethylene (HDPE).
3. a kind of black masterbatch that can improve PE tubing stress characteristics according to claim 2, it is characterised in that: the load
Body is the mixture of polyethylene pellet and polyethylene powder, and wherein polyethylene pellet and the weight part ratio of polyethylene powder are
2:1。
4. a kind of black masterbatch that can improve PE tubing stress characteristics according to claim 1, it is characterised in that: the charcoal
Black is channel black, partial size 20-40mm.
5. a kind of black masterbatch that can improve PE tubing stress characteristics according to claim 1, it is characterised in that: described point
Powder is one of polyethylene wax, vinyl bis-stearamides, ester type waxes, EVA wax, oxidized polyethylene wax.
6. a kind of black masterbatch that can improve PE tubing stress characteristics according to claim 1, it is characterised in that: the idol
Connection agent is one of titanate esters, vinyl silanes.
7. a kind of black masterbatch that can improve PE tubing stress characteristics according to claim 1, it is characterised in that: described to add
Work auxiliary agent is one of calcium stearate, odium stearate, zinc stearate, magnesium stearate or a variety of.
8. a kind of black masterbatch that can improve PE tubing stress characteristics according to claim 1, it is characterised in that: the rush
It is one of talcum powder, mica, barium sulfate, titanium dioxide, calcium carbonate, silica or a variety of into agent.
9. a kind of black masterbatch that can improve PE tubing stress characteristics according to claim 1, it is characterised in that: described anti-
Oxygen agent is one or both of antioxidant 1010, antioxidant 330 or irgasfos 168.
10. according to claim 1 to the processing technology of black masterbatch described in any one of 9, it is characterised in that: including following step
It is rapid:
(1) pre-dispersed: carbon black, dispersing agent, coupling agent, processing aid, promotor and antioxidant are mixed；First 20-25 DEG C,
It stirs 3-8 minutes, is then stirred 2-5 minutes at 20-25 DEG C, 900-1200rpm, then in 100-120 under 300-450rpm
DEG C, stir 2-5 minutes under 900-1200rpm, be eventually adding carrier, stirred 5-8 minutes at 100-120 DEG C, 900-1200rpm
Blanking afterwards；
(2) mixing: the masterbatch after will be pre-dispersed, which is added in mixer, carries out mixing；
(3) it is granulated: the product after the completion of mixing being transferred in pelletizer and is granulated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910355970.6A CN110078995B (en) | 2019-04-29 | 2019-04-29 | Carbon black master batch capable of improving stress characteristic of PE (polyethylene) pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910355970.6A CN110078995B (en) | 2019-04-29 | 2019-04-29 | Carbon black master batch capable of improving stress characteristic of PE (polyethylene) pipe |
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| CN110511476A (en) * | 2019-09-05 | 2019-11-29 | 佛山市南海皆联科技有限公司 | A kind of effective black agglomerate of water supply and preparation method thereof |
| CN111004427A (en) * | 2019-12-20 | 2020-04-14 | 山东东宏管业股份有限公司 | HDPE carrier carbon black master batch for PE pressure pipeline and preparation method thereof |
| CN111073157A (en) * | 2019-12-24 | 2020-04-28 | 昆山禾振瑞新复合材料有限公司 | Piano black high-impact highlight black polypropylene composite material and preparation method thereof |
| CN111234394A (en) * | 2020-03-31 | 2020-06-05 | 贵州廿庆塑胶有限公司 | Color master batch and preparation method and application thereof |
| CN112277181A (en) * | 2020-09-02 | 2021-01-29 | 安徽丰运高分子材料有限公司 | Intermittent feeding internal mixer and working method thereof |
| CN112552571A (en) * | 2020-12-08 | 2021-03-26 | 南京工业大学 | Universal color master batch with high carbon black content and high melt flow rate and preparation method thereof |
| CN113402798A (en) * | 2021-01-28 | 2021-09-17 | 厦门鑫万彩高分子科技有限公司 | Black master batch for biodegradable plastics and preparation method thereof |
| CN114749130A (en) * | 2022-04-19 | 2022-07-15 | 池州万维化工有限公司 | Bromination treatment equipment and bromination method based on o-nitrobenzaldehyde |
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| CN110511476A (en) * | 2019-09-05 | 2019-11-29 | 佛山市南海皆联科技有限公司 | A kind of effective black agglomerate of water supply and preparation method thereof |
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| CN112277181A (en) * | 2020-09-02 | 2021-01-29 | 安徽丰运高分子材料有限公司 | Intermittent feeding internal mixer and working method thereof |
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| CN113402798A (en) * | 2021-01-28 | 2021-09-17 | 厦门鑫万彩高分子科技有限公司 | Black master batch for biodegradable plastics and preparation method thereof |
| CN114749130A (en) * | 2022-04-19 | 2022-07-15 | 池州万维化工有限公司 | Bromination treatment equipment and bromination method based on o-nitrobenzaldehyde |
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