CN106279918A - A kind of antistatic aging resistance type polypropylene color masterbatch - Google Patents
A kind of antistatic aging resistance type polypropylene color masterbatch Download PDFInfo
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- CN106279918A CN106279918A CN201610749495.7A CN201610749495A CN106279918A CN 106279918 A CN106279918 A CN 106279918A CN 201610749495 A CN201610749495 A CN 201610749495A CN 106279918 A CN106279918 A CN 106279918A
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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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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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
- C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
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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
- C08L2201/00—Properties
- C08L2201/04—Antistatic
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
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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
- C08L2310/00—Masterbatches
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Abstract
The present invention relates to the material prescription design field of packing articles, particularly a kind of antistatic aging resistance type polypropylene color masterbatch, this Masterbatch includes following component: vector resin, antistatic additive, compatilizer, antiaging agent, pigment, dispersed lubricant and coupling agent.The formula composition of the present invention can make product have good antistatic ageing resistace, coloured polypropylene resin can be made to keep invariant color, not loss of gloss and anlistatig characteristic, have that vector resin is few, downstream material contour machining procedure feeds simple feature, can be widely used for the coloring of polypropylene-based resin, suitable further genralrlization is applied.
Description
Technical field
The present invention relates to the material prescription design field of packing articles, particularly a kind of antistatic aging resistance type poly-third
Alkene Masterbatch.
Background technology
Polypropylene (PP) material has abundant raw material source, low price, it is easy to processing and forming, preferable mechanical property,
Electrical insulating property, heat-resisting, chemical resistance, the nontoxic and advantage that can be recycled, it is widely used in auto industry, household electrical appliance, work
The industries such as industry supplementary material, packaging, office appliance, medical supplies and article of everyday use.
The relatively high electrical insulating properties that polypropylene material has, sheet resistance reaches 1016-1017Ω cm, the electricity of this excellence is absolutely
Edge, makes polypropylene articles produce accumulation of static electricity in producing, transporting and use, easily causes dust suction and pollute, affect products appearance
Dicoration, or easily produce the major accidents such as electric shock, spark discharge.For eliminating electrostatic problem, at present, typically it is utilized in poly-third
Adding antistatic additive in the course of processing of alkene material, often there is dispersibility and consistency problem in this Adding Way.For upper
Stating problem, a kind of dispersibility of exploitation and the compatibility preferable antistatic aging resistance type polypropylene color masterbatch are those skilled in the art
Technical problem to be studied.
Summary of the invention
The problem to be solved in the present invention is: for the technical problem mentioned in background technology, proposes a kind of dispersibility and phase
Capacitive preferable antistatic aging resistance type polypropylene color masterbatch.
The technical solution adopted for the present invention to solve the technical problems is: a kind of antistatic aging resistance type polypropylene colorant
Grain, counts by weight, and this Masterbatch includes following component: vector resin 55-70 part, antistatic additive 8-11 part, compatilizer
1-3 part, antiaging agent 8-12 part, pigment 10-14 part, dispersed lubricant 5-8 part, coupling agent 2-4 part；Described vector resin is
The polyolefin polymers good with the polyolefin based materials compatibility；Antistatic additive is made up of by weight following component: stearic
Amido propyl dimethyl-beta-hydroxyethyl quaternary ammonium nitrate 15-25 part, 1,4-sorbitan monocarboxylate's 35-55 part, three ethanol
Ammonium 25-45 part, dodecyldimethylammonium hydroxide inner salt 6-12 part；Described pigment be heat resisting temperature be higher than 250 DEG C organic pigment or
Inorganic pigment.
Further, vector resin described in technique scheme is that melt index (temperature 230 DEG C, pressure 0.304Mpa) is
The Low Density Polyethylene of 4-10 or ethene improved-vinyl acetate copolymerized resin, wherein: ethene improved-vinyl acetate copolymerized
The preparation of thing comprises the steps:
(1) by weight, prepare: ethylene-vinyl acetate copolymer 25-30, cellulose 22-32, toluene 55-65,
2,2 '-thiobis is to tert-octyl phenol 2.5-5, maleic anhydride 3.8-4.5, acrylate 1.4-2.8；By constitutive material
Ethylene-vinyl acetate copolymer, toluene, maleic anhydride are stirred 3-5 hour at 90-110 DEG C by weight portion；
(2) gained mixture adds in step (1) cellulose and 2,2 '-thiobis to tert-octyl phenol at 150-
Adding acrylate after stirring 1-2 hour at 160 DEG C to stir 1-2 hour at 160-180 DEG C, toluene is finally distilled off must be changed
Sex ethylene-vinyl acetate co-polymer.
Further, compatilizer described in technique scheme is polypropylene grafted maleic anhydride, polycthylene grafted maleic acid
Acid anhydride or the two mixture formed according to mass ratio 1:1, the percent grafting of compatilizer is 0.5～1.5%；Described antiaging agent is for pressing
Part by weight is antioxidant, ultraviolet absorber, cold-resistant agent and the light stabilizer of (2-4): 1:0.8:1 mixing, and wherein antioxidant is
The mixture of one or more in antioxidant 1010, antioxidant 1076, antioxidant 1034, antioxidant 618, antioxidant 300 is purple
Outer absorbent is the mixture of one or more in phenyl salicylate, UV-P and benzophenone, and cold-resistant agent is that Mitsubishi is beautiful
The METABLEN S-2030 that sun is produced, light stabilizer is one or both the mixture in UV-744 or UV-622；Pigment is
Rutile type titanium dioxide.
Further, dispersed lubricant described in technique scheme is double ethylene stearic amide, zinc stearate, molecular weight
For the polypropylene wax of 1000-5000 according to weight ratio (6-8): (2-4): the mixture that (4-7) is formed；Coupling agent is γ-amidino groups
Sulfopropyl ortho-siliformic acid, trade name A-174, KH-570.
Further, described in technique scheme, the preparation method of a kind of antistatic aging resistance type polypropylene color masterbatch is:
After weighing each raw material mix homogeneously by formula, melting mixing, extruding pelletization, i.e. obtain described antistatic aging resistance type polypropylene color
Master batch；Mixed processes can be carried out in universal mixer, and rotating speed is that 300-400 turns/min, and melting mixing, extruding pelletization can be
Carrying out in general spiro rod extruder, extruder barrel temperature control is at 200-250 DEG C.For improving other performances of product in the present invention,
Add to the property of may also adapt to other auxiliary agent, such as fire retardant, coloring agent or toughener etc..
Beneficial effect: the formula composition of the present invention can make product have good antistatic ageing resistace, can make
Color acrylic resin keeps invariant color, not loss of gloss and anlistatig characteristic, has that vector resin is few, downstream material processing and forming work
The skill simple feature of charging, can be widely used for the coloring of polypropylene-based resin, and suitable further genralrlization is applied.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention will be further described, but the present invention is not limited to following embodiment.
Embodiment one
A kind of antistatic aging resistance type polypropylene color masterbatch preparation method, this preparation method comprises the steps:
(1) count by weight, prepare following component: vector resin 55 parts, 8 parts of antistatic additive, compatilizer 1.5 parts, anti-
Aging dose 8 parts, pigment 10 parts, dispersed lubricant 5 parts, coupling agent 2 parts；Described vector resin be melt index be the low of 8-10
Density polyethylene；Antistatic additive is made up of by weight following component: stearamidopropyl dimethyl-beta-hydroxyethyl quaternary ammonium nitre
Hydrochlorate 25 parts, 1,4-sorbitan monocarboxylate 50 parts, triethanol ammonium 45 parts, dodecyldimethylammonium hydroxide inner salt 10 parts；Institute
Stating pigment is Rutile type titanium dioxide；Compatilizer is that polypropylene grafted maleic anhydride, Research of Grafting Malaic Anhydride Onto Polyethylene are according to quality
The mixture formed than 1:1；Antiaging agent is by weight proportion for the antioxidant of 3:1:0.8:1 mixing, ultraviolet absorber, cold-resistant
Agent and light stabilizer, wherein antioxidant is the mixture of antioxidant 1076, antioxidant 618, antioxidant 300, and ultraviolet absorber is
Benzophenone, the METABLEN S-2030 that cold-resistant agent is produced by the beautiful sun of Mitsubishi, light stabilizer is UV-744；Dispersion lubrication
Agent be double ethylene stearic amide, zinc stearate, molecular weight be the mixing that formed according to weight ratio 7:3:5 of polypropylene wax of 3500
Thing；Coupling agent is γ-amidinothiopropyltrihydroxysilane.
(2) first vector resin, antiaging agent, pigment, dispersed lubricant, coupling agent are added in high-speed mixer and mix
20-30min, adds antistatic additive and compatilizer blending and stirring 20-40min, then adds mixture into double screw extruder
Melt extruding, cooled drying pelletizing is packed and is i.e. obtained required master batch.
The molding of polypropylene plastics model and method of testing be: by age inhibiting for polypropylene-based resin antistatic white master batch
It is extruded into plate, by GB1410-89 " solid insulating material specific insulation and table by 1:9 mixing with matrix mother particles of polypropylene resin
Surface resistivity test method ", it is 0.6 × 10 with high resistant measurement surface resistivity9, indoor 90 days rear surface resistance of storage is
0.8×109.Being accelerated degradation by GB/T164222.2, GB250-84 " evaluation variable color ash tinctorial pattern is pressed in variable color grading
Card " carry out, loss of gloss grading is entered by GB/T1766-95 " paint and varnish coating aging ranking method " 4.1 (change of gloss number)
OK, 100 DEG C × 100h of heat ageing, surface resistivity is 1.45 × 109, variable color is rated color fastness 4-5 level, and loss of gloss is rated
1 grade.Xenon lamp aging 500h, surface resistivity is 1.40 × 109, variable color is rated color fastness 4-5 level, and loss of gloss is rated 1 grade.
Embodiment two
A kind of antistatic aging resistance type polypropylene color masterbatch preparation method, this preparation method comprises the steps:
(1) count by weight, prepare following component: vector resin 70 parts, 10 parts of antistatic additive, compatilizer 3 parts, anti-old
Agent 11 parts, pigment 14 parts, dispersed lubricant 7.5 parts, coupling agent 4 parts；Described vector resin is ethene improved-vinylacetate
Copolymer resins；Antistatic additive is made up of by weight following component: stearamidopropyl dimethyl-beta-hydroxyethyl quaternary ammonium nitric acid
Salt 23 parts, 1,4-sorbitan monocarboxylate 45 parts, triethanol ammonium 40 parts, dodecyldimethylammonium hydroxide inner salt 10 parts；Described
Pigment is Rutile type titanium dioxide；Compatilizer is that polypropylene grafted maleic anhydride, Research of Grafting Malaic Anhydride Onto Polyethylene are according to mass ratio
The mixture that 1:1 is formed；Antiaging agent is by weight proportion for the antioxidant of 3.5:1:0.8:1 mixing, ultraviolet absorber, cold-resistant
Agent and light stabilizer, wherein antioxidant is the mixture of antioxidant 1034, antioxidant 618, antioxidant 300, and ultraviolet absorber is
Phenyl salicylate, the METABLEN S-2030 that cold-resistant agent is produced by the beautiful sun of Mitsubishi, light stabilizer is UV-622；Dispersion profit
Lubrication prescription be double ethylene stearic amide, zinc stearate, molecular weight be that the polypropylene wax of 4500 is according to mixing that weight ratio 7:3:5 is formed
Compound；Coupling agent is γ-amidinothiopropyltrihydroxysilane.
(2) first vector resin, antiaging agent, pigment, dispersed lubricant, coupling agent are added in high-speed mixer and mix
20-30min, adds antistatic additive and compatilizer blending and stirring 20-40min, then adds mixture into double screw extruder
Melt extruding, cooled drying pelletizing is packed and is i.e. obtained required master batch.
The molding of polypropylene plastics model and test: by age inhibiting for polypropylene-based resin antistatic white master batch and matrix
Mother particles of polypropylene resin is extruded into plate, by GB1410-89 " solid insulating material specific insulation and sheet resistance by 1:9 mixing
Rate test method ", recording surface resistivity with megger is 0.55 × 109, indoor 90 days rear surface resistance of storage is 0.65
×109.Being accelerated degradation by GB/T164222.2, variable color grading is entered by GB250-84 " evaluation variable color gray scale "
OK, loss of gloss grading is carried out by GB/T1766-95 " paint and varnish coating aging ranking method " 4.1 (change of gloss number), heat
Aging 100 DEG C × 100h, surface resistivity is 1.2 × 109, variable color is rated color fastness 4-5 level, and loss of gloss is rated 1 grade；Xenon
The aging 500h of lamp, surface resistivity is 1.0 × 109, variable color is rated color fastness 4-5 level, and loss of gloss is rated 1 grade.
Embodiment three
A kind of antistatic aging resistance type polypropylene color masterbatch preparation method, this preparation method comprises the steps:
(1) count by weight, prepare following component: vector resin 60 parts, 9 parts of antistatic additive, compatilizer 2 parts, anti-old
Agent 10 parts, pigment 12 parts, dispersed lubricant 6.5 parts, coupling agent 3 parts；Described vector resin is ethene improved-vinylacetate
Copolymer resins；Antistatic additive is made up of by weight following component: stearamidopropyl dimethyl-beta-hydroxyethyl quaternary ammonium nitric acid
Salt 23 parts, 1,4-sorbitan monocarboxylate 45 parts, triethanol ammonium 40 parts, dodecyldimethylammonium hydroxide inner salt 10 parts；Described
Pigment is Rutile type titanium dioxide；Compatilizer is that polypropylene grafted maleic anhydride, Research of Grafting Malaic Anhydride Onto Polyethylene are according to mass ratio
The mixture that 1:1 is formed, percent grafting is 1.0～1.5%；Antiaging agent is by weight proportion for resisting that 3.5:1:0.8:1 mixes
Oxygen agent, ultraviolet absorber, cold-resistant agent and light stabilizer, wherein antioxidant is antioxidant 1034, antioxidant 618, antioxidant 300
Mixture, ultraviolet absorber is phenyl salicylate, and the METABLEN S-2030 that cold-resistant agent is produced by the beautiful sun of Mitsubishi, light is steady
Determining agent is UV-622；Dispersed lubricant be double ethylene stearic amide, zinc stearate, molecular weight be 4500 polypropylene wax according to
The mixture that weight ratio 7:3:5.5 is formed；Coupling agent is γ-amidinothiopropyltrihydroxysilane.
(2) first vector resin, antiaging agent, pigment, dispersed lubricant, coupling agent are added in high-speed mixer and mix
20-30min, adds antistatic additive and compatilizer blending and stirring 20-40min, then adds mixture into double screw extruder
Melt extruding, cooled drying pelletizing is packed and is i.e. obtained required master batch.
The molding of polypropylene plastics model and test: by age inhibiting for polypropylene-based resin antistatic white master batch and matrix
Mother particles of polypropylene resin is extruded into plate, by GB1410-89 " solid insulating material specific insulation and sheet resistance by 1:9 mixing
Rate test method ", recording surface resistivity with megger is 0.45 × 109, indoor 90 days rear surface resistance of storage is 0.60
×109.Being accelerated degradation by GB/T164222.2, variable color grading is entered by GB250-84 " evaluation variable color gray scale "
OK, loss of gloss grading is carried out by GB/T1766-95 " paint and varnish coating aging ranking method " 4.1 (change of gloss number), heat
Aging 100 DEG C × 100h, surface resistivity is 1.1 × 109, variable color is rated color fastness 4-5 level, and loss of gloss is rated 1 grade；Xenon
The aging 500h of lamp, surface resistivity is 0.9 × 109, variable color is rated color fastness 4-5 level, and loss of gloss is rated 1 grade.
Claims (5)
1. an antistatic aging resistance type polypropylene color masterbatch, is characterized in that: count by weight, this Masterbatch includes as follows
Component: vector resin 55-70 part, antistatic additive 8-11 part, compatilizer 1-3 part, antiaging agent 8-12 part, pigment 10-14 part, point
Dissipate lubricant 5-8 part, coupling agent 2-4 part；
Described vector resin is the polyolefin polymers good with the polyolefin based materials compatibility；Antistatic additive is by following component
Composition by weight: stearamidopropyl dimethyl-beta-hydroxyethyl quaternary ammonium nitrate 15-25 part, 1,4-sorbitan list
Carboxylate 35-55 part, triethanol ammonium 25-45 part, dodecyldimethylammonium hydroxide inner salt 6-12 part；Described pigment is that heat resisting temperature is high
In organic pigment or the inorganic pigment of 250 DEG C.
A kind of antistatic aging resistance type polypropylene color masterbatch the most according to claim 1, is characterized in that: described vector resin
For Low Density Polyethylene that melt index is 4-10 or ethene improved-vinyl acetate copolymerized resin.
A kind of antistatic aging resistance type polypropylene color masterbatch the most according to claim 1, is characterized in that: described compatilizer is
Polypropylene grafted maleic anhydride, Research of Grafting Malaic Anhydride Onto Polyethylene or the two mixture formed according to mass ratio 1:1, compatilizer
Percent grafting is 0.5～1.5%.
A kind of antistatic aging resistance type polypropylene color masterbatch the most according to claim 1, is characterized in that: described antiaging agent
For being antioxidant, ultraviolet absorber, cold-resistant agent and the light stabilizer of (2-4): 1:0.8:1 mixing by weight proportion, wherein antioxygen
Agent is the mixing of one or more in antioxidant 1010, antioxidant 1076, antioxidant 1034, antioxidant 618, antioxidant 300
Thing, ultraviolet absorber is the mixture of one or more in phenyl salicylate, UV-P and benzophenone, and cold-resistant agent is Japan three
The METABLEN S-2030 that the beautiful sun of Pedicellus et Pericarpium Trapae is produced, light stabilizer is one or both the mixture in UV-744 or UV-622；Institute
Stating pigment is Rutile type titanium dioxide.
A kind of antistatic aging resistance type polypropylene color masterbatch the most according to claim 1, is characterized in that: described dispersion lubrication
Agent be double ethylene stearic amide, zinc stearate, molecular weight be the polypropylene wax of 1000-5000 according to weight ratio (6-8): (2-
4): the mixture that (4-7) is formed；Coupling agent is γ-amidinothiopropyltrihydroxysilane.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107189222A (en) * | 2017-07-06 | 2017-09-22 | 盐城瑞泽色母粒有限公司 | A kind of special ultra-dispersed Masterbatch of polypropylene spunbondeds and preparation method thereof |
| CN107383396A (en) * | 2017-06-26 | 2017-11-24 | 黄小明 | Graphene plastic color master grain |
| CN112831122A (en) * | 2020-12-31 | 2021-05-25 | 泉州市锦彩环保科技有限公司 | Antistatic color master batch for protective clothing and preparation method thereof |
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| CN102181094A (en) * | 2011-04-26 | 2011-09-14 | 中山市铁鹰塑胶有限公司 | Antistatic and anti-aging white masterbatch for polypropylene (PP) resin and preparation method thereof |
| CN104327378A (en) * | 2014-11-13 | 2015-02-04 | 东莞市金彩色母有限公司 | Antistatic and antibacterial color masterbatch and preparation method thereof |
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2016
- 2016-08-26 CN CN201610749495.7A patent/CN106279918A/en active Pending
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| CN102181094A (en) * | 2011-04-26 | 2011-09-14 | 中山市铁鹰塑胶有限公司 | Antistatic and anti-aging white masterbatch for polypropylene (PP) resin and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107383396A (en) * | 2017-06-26 | 2017-11-24 | 黄小明 | Graphene plastic color master grain |
| CN107189222A (en) * | 2017-07-06 | 2017-09-22 | 盐城瑞泽色母粒有限公司 | A kind of special ultra-dispersed Masterbatch of polypropylene spunbondeds and preparation method thereof |
| CN112831122A (en) * | 2020-12-31 | 2021-05-25 | 泉州市锦彩环保科技有限公司 | Antistatic color master batch for protective clothing and preparation method thereof |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 213000 Tianshan Road, Xinbei District, Changzhou, Jiangsu Province, No. 2-8 Applicant after: Changzhou Ruijie new Mstar Technology Ltd Address before: 213000 Tianshan Road, Xinbei District, Changzhou, Jiangsu Province, No. 2-8 Applicant before: Changzhou Ruijie New Materials Technology Co., Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170104 |