CN109294075A - A kind of dedicated mixed ingredients grade tag line Masterbatch of PP-RCT cold water tubing and preparation method thereof - Google Patents
A kind of dedicated mixed ingredients grade tag line Masterbatch of PP-RCT cold water tubing and preparation method thereof Download PDFInfo
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- CN109294075A CN109294075A CN201811140693.9A CN201811140693A CN109294075A CN 109294075 A CN109294075 A CN 109294075A CN 201811140693 A CN201811140693 A CN 201811140693A CN 109294075 A CN109294075 A CN 109294075A
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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
- 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
- C08J2423/10—Homopolymers or copolymers of propene
- C08J2423/14—Copolymers of propene
Abstract
The invention discloses a kind of dedicated mixed ingredients grade tag line Masterbatch of PP-RCT cold water tubing, its raw material includes following each component according to parts by weight: PP-RCT3120:75-90 parts of Yanshan Petrochemical, 7090:6-16 parts of phthalocyanine blue, antioxidant: 8-18 parts, processing aid: 9-20 parts, surfactant: 6-15 parts；Compared with prior art, the present invention this Masterbatch has the characteristics that polymolecularity, high color saturation, covering property are strong and good temperature capacity, lines color saturation have reached 91.5% or more；The lines oxidation induction time in its production process is extended, 60min or so has been reached, improves the ageing resistance of Masterbatch, keeps tubing service life obtained longer.
Description
Technical field
The present invention relates to the Raw material processing technical fields of plastic pipe, and in particular to a kind of PP-RCT cold water tubing is dedicated mixed
Ingredient grade tag line Masterbatch and preparation method thereof.
Background technique
The raising applied in daily life with plastic products, the improvement of processing technology, in recent years, domestic PP-R pipe
Material market development is swift and violent, is applied to industry, building supplying drainage etc. in large quantities.But domestic construction environment is easy to cause PP-R to manage
Material is at the scene because of toughness deficiency cracking damage.Therefore, the toughness of PP-R pipe is improved, increasing bearing capacity becomes very severe
Problem.And with a kind of appearance of atactic copolymerized polypropene (PP-RCT) resin that crystallization is improved, lead the current world poly- third
The development trend and trend of alkene tubing have not only been possessed outside the excellent characteristic of PP-R, it is heat-resisting, pressure-resistant, in terms of
Comprehensive raising is arrived.But PP-RCT resin especially develops slower situation as a kind of international new material at home
Under, production is considerably less for the dedicated mixed ingredients grade tag line Masterbatch of PP-RCT tubing at present, and the addition of common Masterbatch is normal
It so that tubing is generated the defects of vitta line saturation degree is low and covering property is not strong, result even in the generation of PP-RCT resin beta crystal
Change, expand its crystallinity, standard requirements are not achieved so as to cause the performance decline of tubing.
Summary of the invention
For the deficiency in the presence of the prior art, the purpose of the present invention is to provide: a kind of PP-RCT cold water tubing is special
With mixed ingredients grade tag line Masterbatch, to solve in the prior art, because the addition of Masterbatch can usually make tubing generate vitta line
The defects of saturation degree is low and covering property is not strong, results even in PP-RCT resin beta crystal and changes, expand its crystallinity, from
And the performance of tubing is caused to decline the problem of standard requirements are not achieved.
To achieve the above object, present invention employs the following technical solutions: a kind of dedicated mixture of PP-RCT cold water tubing
Expect grade tag line Masterbatch, raw material includes following each component according to the number of parts by weight:
PP-RCT3120:75-90 parts of Yanshan Petrochemical；
7090:6-16 parts of phthalocyanine blue；
Antioxidant: 8-18 parts；
Processing aid: 9-20 parts；
Surfactant: 6-15 parts.
Further, the antioxidant is in Hinered phenols antioxidant, phosphite ester antioxidant and thio lipid antioxidant
At least one.
Further, the processing aid is polyethylene wax or hyper-dispersant.
Further, the surfactant is silane coupling agent or titanate coupling agent.
Cooperate a kind of preparation method of dedicated mixed ingredients grade tag line Masterbatch of PP-RCT cold water tubing simultaneously, including as follows
Step:
1) surfactant is placed into drying box and carries out dehumidification treatments；
2) it is launched after weighing each component well by the proportion and carries out mixing into mixer；
3) the good mixture of mixing is added in three-roll grinder and is ground, the processing temperature of grinder is 180 DEG C
~220 DEG C, the rotating ratio of three of them roller is 1:(2~4): (4~16)；
4) ground mixture is added to after double screw extruder by bipyramid forced feed machine by mixing extrusion-
Water-circulating thermal cutting-dehydration-drying-sieving-mistake magnetic process is processed；Wherein the extrusion temperature in mixing extrusion technique uses temperature
Raised four-part form Temperature Distribution step by step.
Further, the extrusion temperature in the mixing extrusion technique is first segment temperature are as follows: 80~90 DEG C, second segment temperature
Are as follows: 110~120 DEG C, third section temperature are as follows: 150~160 DEG C, the 4th section of temperature are as follows: 180~190 DEG C；Pass through this four temperature
The setting of section does not change its molecular structure to improve the compatibility and dispersibility of each component.
Further, the magnetic induction intensity crossed in magnetic process is 5000-9000Gs；The range of magnetic induction intensity is set as
The metal fillings of Masterbatch surface adhesion obtained cleaned out.
Further, the temperature of drying box is 80 DEG C~100 DEG C in the step 1), and drying time is 10min~15min；
It by the setting of this temperature and time, dries surfactant preferably, the moisture in surfactant is avoided to influence
The processing quality of Masterbatch.
Further, the mixing time of mixer is 20-30min in the step 2), and operating temperature is 180 DEG C~225 DEG C；
By the setting of this temperature and time, each component is made to carry out sufficient mixing in mixer, obtains efficient refining glue effect.
Further, three roller revolving speeds of three-roll grinder are respectively 20r/min, 40r/min~80r/ in the step 3)
Min, 80r/min~320r/min；By three roller mutual extrusions in three-roll grinder and because speed difference bring is rubbed
Wiping makes grinding effect more preferably.
Compared with the prior art, the invention has the following beneficial effects:
1, for the Masterbatch in the present invention by Yanshan Petrochemical PP-RCT3120 as carrier, phthalocyanine blue 7090 is used as pigment,
It handles according to certain proportion by mixer mixing premixing in conjunction with antioxidant, processing aid and surfactant, then leads to
It crosses three-roll grinder to be ground, is sheared between three in three-roll grinder roller using different revolving speeds, make pigment
In aggregate and condensate break up out, make pigment Forced Dispersion into carrier, reach better dispersion effect, and then make true qualities
Master batch has the characteristics that polymolecularity, high color saturation, covering property be strong and good temperature capacity, and low in cost, adds
Work is excellent, and for dispersed grade less than 2, lines color saturation has reached 98.3% or more；
2, the Masterbatch in the present invention extends the lines oxidation induction in its production process by the addition of antioxidant
Time has reached 60min or so, improves the ageing resistance of Masterbatch, keeps tubing service life obtained longer；
3, middle processing Masterbatch obtained is applied to not will lead to β crystalline substance in raw material in PP-RCT cold water pipe through the invention
The change of type makes it keep original crystallinity, the tubing lines after processing and the binding force between tube wall, shrinking percentage complete one
It causes, tubing line edge is clear, smooth surface and completely equal with tubing appearance ring arc, ensure that tubing lines to the full extent
With the integraty of tube wall, and to tubing carry out voltage-withstand test in without occur any leakage rupture the phenomenon that；
4, the extrusion temperature in the present invention in mixing extrusion technique uses temperature raised four-part form Temperature Distribution step by step,
It is the intermiscibility and dispersibility in order to improve each component, and does not change its molecular structure；
5, it is to remove Masterbatch in the mistake of processing preparation that magnetic process was finally used in manufacturing procedure of the invention
The metal fillings adhered in journey avoids during preparing tubing, and dispersibility, the color of tubing are reduced because of the introducing of metal fillings
The performance indicators such as saturation degree and covering property.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail:
A kind of dedicated mixed ingredients grade tag line Masterbatch of PP-RCT cold water tubing, raw material include according to the number of parts by weight
Following each component:
PP-RCT3120:75-90 parts of Yanshan Petrochemical；
7090:6-16 parts of phthalocyanine blue；
Antioxidant: 8-18 parts；
Processing aid: 9-20 parts；
Surfactant: 6-15 parts；Wherein Yanshan Petrochemical PP-RCT3120 needs to make as carrier according to the demand of client
Standby blue tubing, therefore select phthalocyanine blue 7090 to be used as pigment in this programme, it can be chosen according to the different demands of client different
The pigment of color, such as: carbon black, titanium dioxide or metallic pigments etc..
Embodiment 1
A kind of preparation method of the dedicated mixed ingredients grade tag line Masterbatch of PP-RCT cold water tubing, includes the following steps:
1) surfactant is placed into drying box and carries out dehumidification treatments, the temperature of drying box is 80 DEG C, drying time
For 15min；
2) weighing Yanshan Petrochemical PP-RCT3120 respectively in parts by weight is 75 parts, and phthalocyanine blue 7090 is 6 parts, Hinered phenols
Antioxidant is 8 parts, and polyethylene wax is 9 parts, and silane coupling agent is 6 parts, then launches load weighted each component into mixer
Mixing 20min, the operating temperature of mixer are 180 DEG C；
3) the good mixture of mixing being added in three-roll grinder and is ground, the processing temperature of grinder is 180 DEG C,
The revolving speed of three of them roller is respectively 10r/min, 20r/min and 40r/min；
4) ground mixture is added to after double screw extruder by bipyramid forced feed machine by mixing extrusion-
Water-circulating thermal cutting-dehydration-drying-sieving-mistake magnetic process is processed, and the dedicated mixed ingredients grade tag line of PP-RCT cold water tubing is made
Masterbatch；Wherein the extrusion temperature in mixing extrusion technique uses temperature raised four-part form Temperature Distribution, and first segment step by step
Temperature is 80 DEG C, second segment temperature are as follows: 110 DEG C, third section temperature are as follows: and 150 DEG C, the 4th section of temperature are as follows: 180 DEG C；Wherein cross magnetic
Magnetic induction intensity in process is 5000Gs.
Embodiment 2
A kind of preparation method of the dedicated mixed ingredients grade tag line Masterbatch of PP-RCT cold water tubing, includes the following steps:
1) surfactant is placed into drying box and carries out dehumidification treatments, the temperature of drying box is 100 DEG C, drying time
For 10min；
2) weighing Yanshan Petrochemical PP-RCT3120 respectively in parts by weight is 90 parts, and phthalocyanine blue 7090 is 16 parts, hindered phenol
Kind antioxidant is 18 parts, and polyethylene wax is 20 parts, and silane coupling agent is 15 parts, then launches load weighted each component to mixing
Mixing 30min in machine, the operating temperature of mixer are 225 DEG C；
3) the good mixture of mixing being added in three-roll grinder and is ground, the processing temperature of grinder is 220 DEG C,
The revolving speed of three of them roller is respectively 20r/min, 80r/min and 320r/min；
4) ground mixture is added to after double screw extruder by bipyramid forced feed machine by mixing extrusion-
Water-circulating thermal cutting-dehydration-drying-sieving-mistake magnetic process is processed, and the dedicated mixed ingredients grade tag line of PP-RCT cold water tubing is made
Masterbatch；Wherein the extrusion temperature in mixing extrusion technique uses temperature raised four-part form Temperature Distribution, and first segment step by step
Temperature is 90 DEG C, second segment temperature are as follows: 120 DEG C, third section temperature are as follows: and 160 DEG C, the 4th section of temperature are as follows: 190 DEG C；Wherein cross magnetic
Magnetic induction intensity in process is 9000Gs.
Embodiment 3
A kind of preparation method of the dedicated mixed ingredients grade tag line Masterbatch of PP-RCT cold water tubing, includes the following steps:
1) surfactant is placed into drying box and carries out dehumidification treatments, the temperature of drying box is 90 DEG C, drying time
For 13min；
2) weighing Yanshan Petrochemical PP-RCT3120 respectively in parts by weight is 83 parts, and phthalocyanine blue 7090 is 11 parts, thio rouge
Kind antioxidant is 13 parts, and hyper-dispersant is 14 parts, and titanate coupling agent is 10 parts, then launches load weighted each component to close
Mixing 25min in mill, the operating temperature of mixer are 200 DEG C；
3) the good mixture of mixing being added in three-roll grinder and is ground, the processing temperature of grinder is 200 DEG C,
The revolving speed of three of them roller is respectively 20r/min, 60r/min and 200r/min；
4) ground mixture is added to after double screw extruder by bipyramid forced feed machine by mixing extrusion-
Water-circulating thermal cutting-dehydration-drying-sieving-mistake magnetic process is processed, and the dedicated mixed ingredients grade tag line of PP-RCT cold water tubing is made
Masterbatch；Wherein the extrusion temperature in mixing extrusion technique uses temperature raised four-part form Temperature Distribution, and first segment step by step
Temperature is 85 DEG C, second segment temperature are as follows: 115 DEG C, third section temperature are as follows: and 155 DEG C, the 4th section of temperature are as follows: 185 DEG C；Wherein cross magnetic
Magnetic induction intensity in process is 7000Gs.
Embodiment 4
A kind of preparation method of the dedicated mixed ingredients grade tag line Masterbatch of PP-RCT cold water tubing, includes the following steps:
1) surfactant is placed into drying box and carries out dehumidification treatments, the temperature of drying box is 83 DEG C, drying time
For 14.2min；
2) weighing Yanshan Petrochemical PP-RCT3120 respectively in parts by weight is 78 parts, and phthalocyanine blue 7090 is 7 parts, Hinered phenols
Antioxidant is 4 parts, and phosphite ester antioxidant is 5 parts, and polyethylene wax is 11 parts, and titanate coupling agent is 7 parts, then will be weighed
Good each component launches the mixing 22min into mixer, and the operating temperature of mixer is 188 DEG C；
3) the good mixture of mixing being added in three-roll grinder and is ground, the processing temperature of grinder is 187 DEG C,
The revolving speed of three of them roller is respectively 20r/min, 44r/min and 120r/min；
4) ground mixture is added to after double screw extruder by bipyramid forced feed machine by mixing extrusion-
Water-circulating thermal cutting-dehydration-drying-sieving-mistake magnetic process is processed, and the dedicated mixed ingredients grade tag line of PP-RCT cold water tubing is made
Masterbatch；Wherein the extrusion temperature in mixing extrusion technique uses temperature raised four-part form Temperature Distribution, and first segment step by step
Temperature is 82 DEG C, second segment temperature are as follows: 111 DEG C, third section temperature are as follows: and 153 DEG C, the 4th section of temperature are as follows: 182 DEG C；Wherein cross magnetic
Magnetic induction intensity in process is 5800Gs.
Embodiment 5
A kind of preparation method of the dedicated mixed ingredients grade tag line Masterbatch of PP-RCT cold water tubing, includes the following steps:
1) surfactant is placed into drying box and carries out dehumidification treatments, the temperature of drying box is 87 DEG C, drying time
For 13.5min；
2) weighing Yanshan Petrochemical PP-RCT3120 respectively in parts by weight is 80 parts, and phthalocyanine blue 7090 is 9 parts, phosphite ester
Kind antioxidant is 5 parts, and thio lipid antioxidant is 6 parts, and hyper-dispersant is 13 parts, and titanate coupling agent is 9 parts, then will be weighed
Good each component launches the mixing 24min into mixer, and the operating temperature of mixer is 193 DEG C；
3) the good mixture of mixing being added in three-roll grinder and is ground, the processing temperature of grinder is 194 DEG C,
The revolving speed of three of them roller is respectively 20r/min, 47r/min and 160r/min；
4) ground mixture is added to after double screw extruder by bipyramid forced feed machine by mixing extrusion-
Water-circulating thermal cutting-dehydration-drying-sieving-mistake magnetic process is processed, and the dedicated mixed ingredients grade tag line of PP-RCT cold water tubing is made
Masterbatch；Wherein the extrusion temperature in mixing extrusion technique uses temperature raised four-part form Temperature Distribution, and first segment step by step
Temperature is 84 DEG C, second segment temperature are as follows: 113 DEG C, third section temperature are as follows: and 154 DEG C, the 4th section of temperature are as follows: 184 DEG C；Wherein cross magnetic
Magnetic induction intensity in process is 6400Gs.
Embodiment 6
A kind of preparation method of the dedicated mixed ingredients grade tag line Masterbatch of PP-RCT cold water tubing, includes the following steps:
1) surfactant is placed into drying box and carries out dehumidification treatments, the temperature of drying box is 93 DEG C, drying time
For 12min；
2) weighing Yanshan Petrochemical PP-RCT3120 respectively in parts by weight is 85 parts, and phthalocyanine blue 7090 is 13 parts, hindered phenol
Kind antioxidant is 5 parts, and phosphite ester antioxidant is 5 parts, and thio lipid antioxidant is 5 parts, and polyethylene wax is 16 parts, and silane is even
Joining agent is 13 parts, and load weighted each component is then launched the mixing 27min into mixer, and the operating temperature of mixer is 210
℃；
3) the good mixture of mixing being added in three-roll grinder and is ground, the processing temperature of grinder is 208 DEG C,
The revolving speed of three of them roller is respectively 20r/min, 66r/min and 240r/min；
4) ground mixture is added to after double screw extruder by bipyramid forced feed machine by mixing extrusion-
Water-circulating thermal cutting-dehydration-drying-sieving-mistake magnetic process is processed, and the dedicated mixed ingredients grade tag line of PP-RCT cold water tubing is made
Masterbatch；Wherein the extrusion temperature in mixing extrusion technique uses temperature raised four-part form Temperature Distribution, and first segment step by step
Temperature is 86 DEG C, second segment temperature are as follows: 116 DEG C, third section temperature are as follows: and 157 DEG C, the 4th section of temperature are as follows: 186 DEG C；Wherein cross magnetic
Magnetic induction intensity in process is 7800Gs.
Embodiment 7
A kind of preparation method of the dedicated mixed ingredients grade tag line Masterbatch of PP-RCT cold water tubing, includes the following steps:
1) surfactant is placed into drying box and carries out dehumidification treatments, the temperature of drying box is 96 DEG C, drying time
For 11min；
2) weighing Yanshan Petrochemical PP-RCT3120 respectively in parts by weight is 87 parts, and phthalocyanine blue 7090 is 14 parts, hindered phenol
Kind antioxidant is 7 parts, and thio lipid antioxidant is 8 parts, and hyper-dispersant is 18 parts, and silane coupling agent is 14 parts, then will be weighed
Good each component launches the mixing 29min into mixer, and the operating temperature of mixer is 215 DEG C；
3) the good mixture of mixing being added in three-roll grinder and is ground, the processing temperature of grinder is 214 DEG C,
The revolving speed of three of them roller is respectively 20r/min, 74r/min and 280r/min；
4) ground mixture is added to after double screw extruder by bipyramid forced feed machine by mixing extrusion-
Water-circulating thermal cutting-dehydration-drying-sieving-mistake magnetic process is processed, and the dedicated mixed ingredients grade tag line of PP-RCT cold water tubing is made
Masterbatch；Wherein the extrusion temperature in mixing extrusion technique uses temperature raised four-part form Temperature Distribution, and first segment step by step
Temperature is 88 DEG C, second segment temperature are as follows: 118 DEG C, third section temperature are as follows: and 159 DEG C, the 4th section of temperature are as follows: 188 DEG C；Wherein cross magnetic
Magnetic induction intensity in process is 8300Gs.
The shear knife in Water-circulating thermal cutting process is being carried out using T-shape knife, so that the product after cutting in the present invention
Qualified degree is high, and shear efficiency is high.
The national sector standard GB/T18742-2017 for inquiring Masterbatch, obtains such as the professional standard parameter in table 1:
Each performance parameter index of 1 Masterbatch of table
| Project | Reference standard (national standard) |
| Disperse grade (grade) | ≦3 |
| Compatibility (%) | ≥95 |
| Ageing properties OIT (min) | ≥20 |
| Static pressure thermal stability (h) | 8760 |
By Masterbatch made from 1~embodiment of embodiment 7 according to the detection method in GB/T18742-2017 to above-mentioned each
Performance parameter is detected to obtain the data in table 2:
The detection data of Masterbatch made from 2 1~embodiment of embodiment 7 of table
The each data detected in table 2 and each performance parameter index in table 1 are compared, can analyze out: system
The Masterbatch obtained cooperates preparation method to make it have polymolecularity by the addition of processing aid polyethylene wax or hyper-dispersant
Can, dispersion grade is respectively less than 2；It is that Hinered phenols antioxidant, phosphite ester antioxidant and thio lipid are anti-by antioxidant
The introducing of at least one of oxygen agent reaches so that the lines oxidation induction time of Masterbatch obtained in process of production lengthens
60min or so has been arrived, to improve the ageing resistance of Masterbatch, has kept tubing service life obtained longer；It will be of the invention
Masterbatch made from tubing carry out voltage-withstand test in, temperature be 110 DEG C, pressure be 2.6Mpa in the environment of carry out, make
The static pressure thermal stability duration for obtaining tubing is more than still complete the phenomenon that rupturing without any leakage of appearance after 9500h.
Color saturation is carried out respectively to Masterbatch made from 1~embodiment of embodiment 7 as Minolta spectrophotometric color measurement instrument
Detection obtain the data in table 3:
The detection data table of 3 color saturation of table
Reach 98.3% by the average color saturation degree for be calculated this Masterbatch to 7 groups of data in table 3,
Illustrate that the Masterbatch as made from the preparation method in this programme has preferably color saturation.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (10)
1. a kind of dedicated mixed ingredients grade tag line Masterbatch of PP-RCT cold water tubing, which is characterized in that its raw material is according to parts by weight
It includes following each component that number, which calculates:
PP-RCT3120:75-90 parts of Yanshan Petrochemical；
7090:6-16 parts of phthalocyanine blue；
Antioxidant: 8-18 parts；
Processing aid: 9-20 parts；
Surfactant: 6-15 parts.
2. the dedicated mixed ingredients grade tag line Masterbatch of a kind of PP-RCT cold water tubing according to claim 1, feature exist
In: the antioxidant is at least one of Hinered phenols antioxidant, phosphite ester antioxidant and thio lipid antioxidant.
3. the dedicated mixed ingredients grade tag line Masterbatch of a kind of PP-RCT cold water tubing according to claim 1, feature exist
In: the processing aid is polyethylene wax or hyper-dispersant.
4. the dedicated mixed ingredients grade tag line Masterbatch of a kind of PP-RCT cold water tubing according to claim 1, feature exist
In: the surfactant is silane coupling agent or titanate coupling agent.
5. a kind of dedicated mixed ingredients grade tag line Masterbatch of PP-RCT cold water tubing described in any one of -4 according to claim 1
Preparation method, characterized by the following steps:
1) surfactant is placed into drying box and carries out dehumidification treatments；
2) it is launched after weighing each component well by the proportion and carries out mixing into mixer；
3) the good mixture of mixing is added in three-roll grinder and is ground, the processing temperature of grinder is 180 DEG C~220
DEG C, the rotating ratio of three of them roller is 1:(2~4): (4~16)；
4) ground mixture is added to after double screw extruder by bipyramid forced feed machine by mixing extrusion-water ring
Earnestly-dehydration-drying-sieving-mistake magnetic process is processed；Wherein the extrusion temperature in mixing extrusion technique uses temperature step by step
Raised four-part form Temperature Distribution.
6. a kind of preparation side of the dedicated mixed ingredients grade tag line Masterbatch of PP-RCT cold water tubing according to claim 5
Method, it is characterised in that: the extrusion temperature in the mixing extrusion technique is first segment temperature are as follows: 80~90 DEG C, second segment temperature
Are as follows: 110~120 DEG C, third section temperature are as follows: 150~160 DEG C, the 4th section of temperature are as follows: 180~190 DEG C.
7. a kind of preparation side of the dedicated mixed ingredients grade tag line Masterbatch of PP-RCT cold water tubing according to claim 5
Method, it is characterised in that: the magnetic induction intensity crossed in magnetic process is 5000-9000Gs.
8. a kind of preparation side of the dedicated mixed ingredients grade tag line Masterbatch of PP-RCT cold water tubing according to claim 5
Method, it is characterised in that: the temperature of drying box is 80 DEG C~100 DEG C in the step 1), and drying time is 10min~15min.
9. a kind of preparation side of the dedicated mixed ingredients grade tag line Masterbatch of PP-RCT cold water tubing according to claim 5
Method, it is characterised in that: the mixing time of mixer is 20-30min in the step 2), and operating temperature is 180 DEG C~225 DEG C.
10. a kind of preparation side of the dedicated mixed ingredients grade tag line Masterbatch of PP-RCT cold water tubing according to claim 5
Method, it is characterised in that: three roller revolving speeds of three-roll grinder are respectively 20r/min, 40r/min~80r/ in the step 3)
Min, 80r/min~320r/min.
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| CN111303535A (en) * | 2020-04-16 | 2020-06-19 | 安徽缤飞塑胶科技有限公司 | Special color master batch for non-woven fabric and preparation method thereof |
| CN111594666A (en) * | 2020-06-13 | 2020-08-28 | 佛山市鑫力塑塑胶科技有限公司 | Outdoor water supply pipe and preparation formula of sun-proof weather-proof heat-resistant layer thereof |
| CN116063765A (en) * | 2021-11-02 | 2023-05-05 | 苏州清丰兴业塑胶有限公司 | Preparation method of chemical solvent-resistant color master batch for chemical bucket and color master batch thereof |
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| CN111303535A (en) * | 2020-04-16 | 2020-06-19 | 安徽缤飞塑胶科技有限公司 | Special color master batch for non-woven fabric and preparation method thereof |
| CN111594666A (en) * | 2020-06-13 | 2020-08-28 | 佛山市鑫力塑塑胶科技有限公司 | Outdoor water supply pipe and preparation formula of sun-proof weather-proof heat-resistant layer thereof |
| CN111594666B (en) * | 2020-06-13 | 2022-04-05 | 佛山市鑫力塑塑胶科技有限公司 | Outdoor water supply pipe and preparation formula of sun-proof weather-proof heat-resistant layer thereof |
| CN116063765A (en) * | 2021-11-02 | 2023-05-05 | 苏州清丰兴业塑胶有限公司 | Preparation method of chemical solvent-resistant color master batch for chemical bucket and color master batch thereof |
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