CN106700240A - Polypropylene filling master batch and preparation method thereof - Google Patents
Polypropylene filling master batch and preparation method thereof Download PDFInfo
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- CN106700240A CN106700240A CN201510779050.9A CN201510779050A CN106700240A CN 106700240 A CN106700240 A CN 106700240A CN 201510779050 A CN201510779050 A CN 201510779050A CN 106700240 A CN106700240 A CN 106700240A
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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
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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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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- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92009—Measured parameter
- B29C2948/92209—Temperature
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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
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
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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
- C08J2423/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
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Abstract
The invention discloses polypropylene filling master batch prepared from a polypropylene recovered material, and the polypropylene filling master batch comprises the following components by weight: 10-20 parts of the polypropylene recovered material, 2-6 parts of polypropylene grafted acrylic acid, 75-85 parts of an inorganic mineral filler, 1.5-1.7 parts of bis(tert-butyldioxyisopropyl)benzene, 0.5-1.0 part of an antioxidant and 1.5-3 parts of a lubricant. The bis(tert-butyldioxyisopropyl)benzene is added into the polypropylene recovered material for introduction of strong polar reactive groups, so that the material has high polarity and reactivity, polypropylene and mineral filler compatibility is greatly improved; by interaction of the bis(tert-butyldioxyisopropyl)benzene and the polypropylene grafted acrylic acid, the surface of the filler is changed into oleophilic from hydrophilic, and the filler can be closely combined with the polymer, so that the material strength, adhesive force and dispersion properties and the like can be significantly improved; the problems of high cost, poor dispersion, poor compatibility, and the like of current market conventional filling masterbatch can be solved, and the recycled plastic use range can be expanded.
Description
Technical field
The invention belongs to field of compound material, and in particular to a kind of filler parent granule prepared by polypropylene recovery material and preparation method thereof.
Background technology
The correlated performances such as mechanical performance, density for reinforced plastic material, a little modifying agent are typically all added to be modified it, originally modifying plastics directly use powder at filling-modified aspect, on the one hand this modification mode can have larger pollution to production environment, the addition of another aspect powder is poor in terms of dispersion, influences final products performance.In recent years, with the continuous renewal and development of plastics modification technology, using filler parent granule as the filling-modified production form for becoming many enterprises, effective improvement is obtained in terms of pollution and processing technology.
At present, the base-material that the substantial amounts of filler parent granule of in the market is mainly used is virgin material polypropylene, polyethylene, polyolefin elastomer（POE）Deng higher in terms of the cost of raw material of production.And master batch is filled as base-material using regenerated plastics and is produced, corresponding auxiliary agent is equipped with again, can not only effectively reduce the cost of raw material, and can obtain the good filler parent granule of dispersive property, compatibility, modifying plastics industry, such as automobile, pipeline, cable can be widely used in.
The content of the invention
It is an object of the invention to provide a kind of filler parent granule prepared by polypropylene recovery material and preparation method thereof.
To achieve the above object, the technical solution adopted by the present invention is：A kind of filler parent granule prepared by polypropylene recovery material, the material is prepared from by weight by following components：
Polypropylene recovery material
10~20；
Polypropylene grafted acrylic acid
2~6；
Inorganic mineral filler
75~85；
Double tert-butyl peroxy base diisopropylbenzene (DIPB)s
1.5~1.7；
Antioxidant
0.5~1.0
Lubricant
1.5~3.
Described polypropylene recovery material is the injection grade polypropylene through sorting, cleaning, broken, drying is fabricated to after reclaiming, and it is 15-60g/10min that its moisture content is less than 3%, melt index under the conditions of 2.16kg, 230 DEG C less than 0.5%, combustion residue.
Polypropylene grafted acrylic acid grafting rate >=1.5%, weight average molecular weight >=20000.
Described inorganic mineral filler is one or more in talcum powder, calcium carbonate or mica, particle diameter >=1200 mesh.
Described double 46 DEG C of tert-butyl peroxy base diisopropylbenzene (DIPB) fusing points.
The antioxidant be four [β-（3,5- di-tert-butyl-hydroxy phenyls）Propionic acid] pentaerythritol ester（1010）With phosphorous acid three (2,4-- di-tert-butyl-phenyl) ester（168）By weight it is 1:2 are compounded.
Described lubricant is White Mineral Oil, ethylene bis stearamide（EBS）By weight it is 2 with calcium stearate:1:1 is compounded.
Another goal of the invention of the invention is to provide a kind of method for preparing above-mentioned filler parent granule, comprises the following steps：
（1）The polypropylene recovery material of dried process, polypropylene grafted acrylic acid, antioxidant, lubricant are poured into temperature control high-speed mixer by formula rate and mixes 2-3min；The temperature of the mixer is 75 DEG C -90 DEG C, rotating speed is 500-800r/min；
（2）（1）In compound in add inorganic mineral filler, after double tert-butyl peroxy base diisopropylbenzene (DIPB)s are uniformly added into whipping process, continue to stir mixing 10-15min, obtain premix；
（3）L/D=44 is put into premix:In 1 double screw extruder, after first preheating 2~4 minutes, then through melting, extruding, vacuumize, air-cooled, pelletizing and drying, that is, filler parent granule is obtained, wherein double screw extruder temperature setting is：140~155 DEG C of pre- tabetisol, the first 190~200 DEG C of melting zone, the first 200~210 DEG C of shear at high temperature area, the second 210~220 DEG C of shear at high temperature area, the second 200~210 DEG C of warm area of melting, discharging opening 190~200 DEG C of warm area of melting.The rotating speed of process double screw extruder is 300~500 revs/min.
The present invention has following advantages compared with prior art：
（1）The present invention introduces highly polar reactive group by adding polypropylene grafted acrylic acid in polypropylene recovery material, material is had polarity and reactivity high, greatly improves the compatibility of polypropylene and mineral filler；
（2）Double tert-butyl peroxy base diisopropylbenzene (DIPB)s and polypropylene grafted acrylic acid collective effect, filler surface is set to become lipophile by hydrophily, combined closely with polymer so as to reach, significantly improve intensity, cohesion, dispersive property of material etc., final obtained master batch has good dispersiveness, compatibility；
（3）The problems such as present invention solves the high cost of Conventional filler master batch, bad dispersibility, poor compatibility in the market, while extending the use scope of regenerated plastics.Can be used to be widely used in the filling-modified of the materials such as automobile, pipeline, cable through the filler parent granule after the invention working process, can significantly be modified raw material reduces cost in the case where properties of product requirement is met, and improve the use value of regenerated plastics.
Specific embodiment
With reference to embodiment, the invention will be further described, and following examples are only that the present invention will be described rather than it is limited.
Antioxidant be by four [β-（3,5- di-tert-butyl-hydroxy phenyls）Propionic acid] pentaerythritol ester（1010）With phosphorous acid three (2,4-- di-tert-butyl-phenyl) ester（168）By weight it is 1:2 carry out compounding composition.
Described lubricant is by White Mineral Oil, ethylene bis stearamide（EBS）By weight it is 2 with calcium stearate:1:1 carries out compounding composition.
Polypropylene recovery material is that it is 15-60g/10min that its moisture content is less than 3%, melt index under the conditions of 2.16kg, 230 DEG C less than 0.5%, combustion residue from the injection grade polypropylene after reclaiming through sorting, cleaning, broken, drying is fabricated to.
Polypropylene is the PP K7926 of Shanghai match section.
Embodiment
1
10 parts of polypropylene recovery material, 5 parts of polypropylene grafted acrylic acid, 0.8 part of antioxidant, 1.6 parts of lubricant are put into and mix 2min in temperature control high-speed mixer, temperature control is in 80 DEG C, rotating speed 700r/min；Then in 85 parts of addition high-speed mixers of inorganic mineral filler calcium carbonate, will stir while being uniformly added into double 1.7 parts of tert-butyl peroxy base diisopropylbenzene (DIPB)s, high mixer rotating speed is controlled in 750 r/min, 12min is stirred in continuation after adding, and obtains premix；Premix is finally fed into L/D=44:In 1 double screw extruder, preheating is after 3 minutes, then through melting, extruding, vacuumize, air-cooled, pelletizing and drying, that is, filler parent granule is obtained, each area's temperature of wherein double screw extruder is：140 DEG C of pre- tabetisol, the first 195 DEG C of melting zone, the first 205 DEG C of shear at high temperature area, the second 210 DEG C of shear at high temperature area, the second 205 DEG C of warm area of melting, discharging opening 195 DEG C of warm area of melting, screw speed is 350 revs/min.
By weight it is 25 by filler parent granule obtained above and polypropylene：75 mixed after again through melting, extruding and obtaining composite.
Embodiment
2
13 parts of polypropylene recovery material, 2 parts of polypropylene grafted acrylic acid, 0.8 part of antioxidant, 3 parts of lubricant are put into and mix 3min in temperature control high-speed mixer, temperature control is in 75 DEG C, rotating speed 600r/min；Then by 55 parts of inorganic mineral filler calcium carbonate, 30 parts of addition high-speed mixers of talcum powder, double 1.5 parts of tert-butyl peroxy base diisopropylbenzene (DIPB)s, high mixer rotating speed is controlled in 650 r/min, continues to stir 15min after adding, and obtains premix；During premix finally fed into double screw extruder, preheating is after 2 minutes, then through melting, extruding, vacuumize, air-cooled, pelletizing and drying, that is, filler parent granule is obtained, each area's temperature of wherein double screw extruder is：155 DEG C of pre- tabetisol, the first 200 DEG C of melting zone, the first 210 DEG C of shear at high temperature area, the second 220 DEG C of shear at high temperature area, the second 210 DEG C of warm area of melting, discharging opening 200 DEG C of warm area of melting, screw speed is 400 revs/min.
By weight it is 25 by filler parent granule obtained above and polypropylene：75 mixed after again through melting, extruding and obtaining composite.
Embodiment
3
15 parts of polypropylene recovery material, 5 parts of polypropylene grafted acrylic acid, 0.5 part of antioxidant, 2.5 parts of lubricant are put into and mix 3min in temperature control high-speed mixer, temperature control is in 90 DEG C, rotating speed 800r/min；Then in 35 parts of inorganic mineral filler mica powder, 45 parts of addition high-speed mixers of talcum powder, will stir while being uniformly added into double 1.7 parts of tert-butyl peroxy base diisopropylbenzene (DIPB)s, high mixer rotating speed is controlled in 800 r/min, 12min is stirred in continuation after adding, and obtains premix；During premix finally fed into double screw extruder, preheating is after 3 minutes, then through melting, extruding, vacuumize, air-cooled, pelletizing and drying, that is, filler parent granule is obtained, each area's temperature of wherein double screw extruder is：140 DEG C of pre- tabetisol, the first 190 DEG C of melting zone, the first 200 DEG C of shear at high temperature area, the second 210 DEG C of shear at high temperature area, the second 200 DEG C of warm area of melting, discharging opening 190 DEG C of warm area of melting, screw speed is 300 revs/min.
By weight it is 25 by filler parent granule obtained above and polypropylene：75 mixed after again through melting, extruding and obtaining composite.
Embodiment
4
20 parts of polypropylene recovery material, 5 parts of polypropylene grafted acrylic acid, 1 part of antioxidant, 1.5 parts of lubricant are put into and mix 3min in temperature control high-speed mixer, temperature control is in 75 DEG C, rotating speed 600r/min；Then in 75 parts of addition high-speed mixers of inorganic mineral filler talcum powder, will stir while being uniformly added into double 1.6 parts of tert-butyl peroxy base diisopropylbenzene (DIPB)s, high mixer rotating speed is controlled in 500 r/min, 10min is stirred in continuation after adding, and obtains premix；During premix finally fed into double screw extruder, preheating is after 2 minutes, then through melting, extruding, vacuumize, air-cooled, pelletizing and drying, that is, filler parent granule is obtained, each area's temperature of wherein double screw extruder is：145 DEG C of pre- tabetisol, the first 200 DEG C of melting zone, the first 205 DEG C of shear at high temperature area, the second 215 DEG C of shear at high temperature area, the second 205 DEG C of warm area of melting, discharging opening 195 DEG C of warm area of melting, screw speed is 500 revs/min.
By weight it is 25 by filler parent granule obtained above and polypropylene：75 mixed after again through melting, extruding and obtaining composite.
Embodiment
5
16 parts of polypropylene recovery material, 4 parts of polypropylene grafted acrylic acid, 0.9 part of antioxidant, 2 parts of lubricant are put into and mix 2min in temperature control high-speed mixer, temperature control is in 90 DEG C, rotating speed 500r/min；Then in 50 parts of inorganic mineral filler calcium carbonate, 30 parts of addition high-speed mixers of mica powder, will stir while being uniformly added into double 1.6 parts of tert-butyl peroxy base diisopropylbenzene (DIPB)s, high mixer rotating speed is controlled in 600 r/min, 13min is stirred in continuation after adding, and obtains premix；During premix finally fed into double screw extruder, preheating is after 2 minutes, then through melting, extruding, vacuumize, air-cooled, pelletizing and drying, that is, filler parent granule is obtained, each area's temperature of wherein double screw extruder is：150 DEG C of pre- tabetisol, the first 200 DEG C of melting zone, the first 205 DEG C of shear at high temperature area, the second 220 DEG C of shear at high temperature area, the second 205 DEG C of warm area of melting, discharging opening 195 DEG C of warm area of melting, screw speed is 450 revs/min.
By weight it is 25 by filler parent granule obtained above and polypropylene：75 mixed after again through melting, extruding and obtaining composite.
Embodiment
6
14 parts of polypropylene recovery material, 6 parts of polypropylene grafted acrylic acid, 0.7 part of antioxidant, 2.8 parts of lubricant are put into and mix 3min in temperature control high-speed mixer, temperature control is in 85 DEG C, rotating speed 650r/min；Then in 80 parts of addition high-speed mixers of inorganic mineral filler mica powder, will stir while being uniformly added into double 1.5 parts of tert-butyl peroxy base diisopropylbenzene (DIPB)s, high mixer rotating speed is controlled in 550 r/min, 14min is stirred in continuation after adding, and obtains premix；During premix finally fed into double screw extruder, preheating is after 4 minutes, then through melting, extruding, vacuumize, air-cooled, pelletizing and drying, that is, filler parent granule is obtained, each area's temperature of wherein double screw extruder is：145 DEG C of pre- tabetisol, the first 195 DEG C of melting zone, the first 210 DEG C of shear at high temperature area, the second 215 DEG C of shear at high temperature area, the second 200 DEG C of warm area of melting, discharging opening 195 DEG C of warm area of melting, screw speed is 400 revs/min.
By weight it is 25 by filler parent granule obtained above and polypropylene：75 mixed after again through melting, extruding and obtaining composite.
Comparative example 1-6 is the filler parent granule from Anhui Banni New Material Co., Ltd.'s production, its base-material is the virgin material polypropylene of 20-60g/10min from finger is melted, other components correspond respectively to embodiment 1-6 with preparation method, and the filler parent granule and polypropylene prepared are 25 in mass ratio：75 mixed after again through melting, extruding and obtaining composite.
The composite that the PP composite material that above-described embodiment 1-6 is obtained is prepared with comparative example 1-6 carries out physical property detection and is shown in Table 2, wherein the method for testing of each physical property is as follows respectively：
Melt flow rate (MFR) is tested according to GB/T 3682-2000
Tensile strength, elongation at break are measured according to GB/T 1040.2-2006；
Bending strength, bending modulus are measured according to GB/T 9341-2008；
Izod notched impact strength is measured according to GB/T 1834-2008；
Load deformation temperature is measured according to GB/T 1634.2-2004；
Be can be seen that by embodiment in table 2 and comparative example result and filler parent granule is obtained than comparative example with more preferable rigidity, toughness, intensity and heat resistance by this patent, it also has a clear superiority in terms of compatibility, dispersiveness.The regrown material source selected additionally, due to the present invention is relatively wide, and simple production process greatly saves the cost of raw material.
These embodiments are merely to illustrate the present invention and should not limit the scope of this invention.Additionally, after content of the present invention has been read, those skilled in the art make the change or modification of the various equivalent form of values to the present invention, these equivalent form of values also belong to following claims limited range.
Claims (7)
1. a kind of polypropylene filler parent granule, it is characterised in that：The material is prepared from by weight by following components：
Polypropylene recovery material 10~20；
Polypropylene grafted acrylic acid 2~6；
Inorganic mineral filler 75~85；
Double tert-butyl peroxy base diisopropylbenzene (DIPB)s 1.5~1.7；
Antioxidant 0.5~1.0
Lubricant 1.5~3.
2. a kind of polypropylene filler parent granule according to claim 1, it is characterised in that：Described polypropylene recovery material is the injection grade polypropylene through sorting, cleaning, broken, drying is fabricated to after reclaiming, and it is 15-60g/10min that its moisture content is less than 3%, melt index under the conditions of 2.16kg, 230 DEG C less than 0.5%, combustion residue.
3. a kind of polypropylene filler parent granule according to claim 1, it is characterised in that：Polypropylene grafted acrylic acid grafting rate >=1.5%, weight average molecular weight >=20000.
4. a kind of polypropylene filler parent granule according to claim 1, it is characterised in that：Described inorganic mineral filler is one or more in talcum powder, calcium carbonate or mica, particle diameter >=1200 mesh.
5. a kind of polypropylene filler parent granule according to claim 1, it is characterised in that：The antioxidant be four [β-（3,5- di-tert-butyl-hydroxy phenyls）Propionic acid] pentaerythritol ester and phosphorous acid three (2,4-- di-tert-butyl-phenyl) ester be by weight being 1:2 are compounded.
6. a kind of polypropylene filler parent granule according to claim 1, it is characterised in that：Described lubricant is that White Mineral Oil, ethylene bis stearamide and calcium stearate are 2 by weight:1:1 is compounded.
7. a kind of method of a kind of polypropylene filler parent granule prepared as described in claim any one of 1-6, it is characterised in that：Comprise the following steps：
（1）The polypropylene recovery material of dried process, polypropylene grafted acrylic acid, antioxidant, lubricant are poured into temperature control high-speed mixer by formula rate and mixes 2-3min；The temperature of the mixer is 75 DEG C -90 DEG C, rotating speed is 500-800r/min；
（2）（1）In compound in add inorganic mineral filler, after double tert-butyl peroxy base diisopropylbenzene (DIPB)s are uniformly added into whipping process, continue to stir mixing 10-15min, obtain premix；
（3）L/D=44 is put into premix:In 1 double screw extruder, after first preheating 2~4 minutes, then through melting, extruding, vacuumize, air-cooled, pelletizing and drying, that is, filler parent granule is obtained, wherein double screw extruder temperature setting is：140~155 DEG C of pre- tabetisol, the first 190~200 DEG C of melting zone, the first 200~210 DEG C of shear at high temperature area, second 210~220 DEG C of shear at high temperature area, second 200~210 DEG C of warm area of melting, discharging opening 190~200 DEG C of warm area of melting, the rotating speed of process double screw extruder is 300~500 revs/min.
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| CN201510779050.9A CN106700240A (en) | 2015-11-15 | 2015-11-15 | Polypropylene filling master batch and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112210169A (en) * | 2020-10-26 | 2021-01-12 | 江苏金发科技新材料有限公司 | Polypropylene composite material for filter bottle of water purifier and preparation method thereof |
-
2015
- 2015-11-15 CN CN201510779050.9A patent/CN106700240A/en active Pending
Non-Patent Citations (2)
| Title |
|---|
| 天津轻工业学院编: "《塑料助剂》", 31 March 1997 * |
| 齐贵亮主编: "《废旧塑料回收利用实用技术》", 31 October 2011 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112210169A (en) * | 2020-10-26 | 2021-01-12 | 江苏金发科技新材料有限公司 | Polypropylene composite material for filter bottle of water purifier and preparation method thereof |
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