CN110498963A - A kind of Masterbatch and preparation method thereof - Google Patents
A kind of Masterbatch and preparation method thereof Download PDFInfo
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- CN110498963A CN110498963A CN201910864827.XA CN201910864827A CN110498963A CN 110498963 A CN110498963 A CN 110498963A CN 201910864827 A CN201910864827 A CN 201910864827A CN 110498963 A CN110498963 A CN 110498963A
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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
- C08J2403/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
- C08J2403/02—Starch; Degradation products thereof, e.g. dextrin
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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
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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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
- C08K2201/011—Nanostructured additives
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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
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
The invention belongs to color masterbatch technical fields more particularly to a kind of Masterbatch and preparation method thereof.The Masterbatch, including following raw material by weight: 24~30 parts by weight of LLDPE；24~30 parts by weight of LDPE；5~7 parts by weight of calcium carbonate；10~15 parts by weight of starch；25~35 parts by weight of titanium dioxide；1~6 parts by weight of titanate coupling agent；1~6 parts by weight of lauryl sodium sulfate；7~11 parts by weight of main dispersant；Secondary 1~3 parts by weight of dispersing agent.The preparation method of the Masterbatch, comprising the following steps: the 1) pretreatment of titanium dioxide；2) pretreatment of calcium carbonate；3) it is kneaded；4) it is granulated.The Masterbatch is using LLDPE and LDPE as carrier, better than using LDPE as the master batch of carrier in terms of processing rheological property.
Description
Technical field
The invention belongs to color masterbatch technical fields more particularly to a kind of Masterbatch and preparation method thereof.
Background technique
Masterbatch, that is, pigment preparation matter is equably to be attached to the colorant of super quantity in resin by special method
Prepared by aggregation, be also condensed pigment, be a kind of dedicated efficient coloring preparations of novel high polymer material.
Masterbatch is generally made of vector resin, pigment, dispersing agent three parts.Common inorganic pigment has: cadmium red, cadmium
Huang, titanium dioxide, carbon black, iron oxide red, iron oxide yellow etc..Using titanium dioxide as the color masterbatch of pigment, since titanium dioxide partial size is larger,
Dispersion effect of the titanium dioxide particle in system is poor, and processing rheological property is poor.
Summary of the invention
The purpose of the present invention is to provide a kind of Masterbatch and preparation method thereof, it is intended to color masterbatch in the prior art is solved,
The poor technical problem of the dispersion effect of titanium dioxide particle as pigment.
To achieve the above object, a kind of Masterbatch provided in an embodiment of the present invention, including following raw material by weight:
24~30 parts by weight of LLDPE；
24~30 parts by weight of LDPE；
5~7 parts by weight of calcium carbonate；
10~15 parts by weight of starch；
25~35 parts by weight of titanium dioxide；
1~6 parts by weight of titanate coupling agent；
1~6 parts by weight of lauryl sodium sulfate；
7~11 parts by weight of main dispersant；
Secondary 1~3 parts by weight of dispersing agent.
More preferably, the mass ratio of the LLDPE and the LDPE are 1:0.8~1.25.
More preferably, the melt flow index of the LLDPE is 24~27g/10min.
More preferably, the melt flow index of the LDPE is 6~9g/10min.
More preferably, the titanate coupling agent and the mass ratio of the lauryl sodium sulfate are 1:1.
More preferably, the calcium carbonate is the nanometer calcium carbonate of 40~90nm of average grain diameter.
More preferably, the mass ratio of calcium carbonate and titanium dioxide is 1:5.
The embodiment of the present invention also provides the preparation method of above-mentioned Masterbatch, comprising the following steps:
1) titanium dioxide for weighing proportional quantity is dried in vacuo 1~1.5h at 90~105 DEG C, then presses the quality of 1:10~12
Than being scattered in solvent, pH value is adjusted to 6.5~7.5,25~40 DEG C is adjusted the temperature to, the titanate coupling agent of proportional quantity is added
With lauryl sodium sulfate into solvent, 1.5~2.5h is reacted；Filter, be washed with deionized, after washing be dried in vacuo 5~
7h obtains active titanium dioxide after grinding；
2) calcium carbonate serosity containing proportional quantity calcium carbonate is stirred pre-dispersed, adds the secondary dispersion of proportional quantity
Agent carries out 0.5~1.5h of surface treatment using ultrasonic disperser；After surface treatment, calcium carbonate serosity, washing filter are filtered
Cake is ground after drying up to activated Calcium carbonate；
3) open mill being preheated to 90~110 DEG C, the LLDPE and LDPE that proportional quantity is added be kneaded 2 into open mill~
6min；The main dispersant for adding proportional quantity is kneaded 3~5min；By the shallow lake of active titanium dioxide, activated Calcium carbonate and proportional quantity
15~20min of mill mixing is added in powder, obtains mixing product；
4) Masterbatch is made in pelletizing after the mixing product being cooled to 20~25 DEG C.
More preferably, in step 1), the solvent is the ethanol solution that ethanol content is 80%~90%.
Said one or multiple technical solutions in Masterbatch provided in an embodiment of the present invention and preparation method thereof at least have
There is one of following technical effect:
1, the Masterbatch is using LLDPE and LDPE as carrier, better than using LDPE as the color of carrier in terms of processing rheological property
Master batch；Melt index is 17.2~20.1g/10min, has good rheological performance.
2, the LLDPE and melt flow index that the present invention is 24~27g/10min with melt flow index are 6~9g/
10min is used as vector resin by the mass ratio mixing of 1:0.8~1.25, and on the one hand the LLDPE of addition makes the viscosity drop of system
It is low, improve dispersibility of the titanium dioxide in vector resin；On the other hand reduce the dosage of dispersing agent, from a cost perspective
It is both economical, while can be to avoid the addition due to low molecular weight additives to requiring more special plastic products mechanical property
Damage.
3, the present invention is surface-treated titanium dioxide using titanate coupling agent and lauryl sodium sulfate, can make titanium white
Powder switchs to lipophilicity by hydrophily, and the close value of active titanium dioxide light obtained after surface treatment is 0.316~0.321, average grain diameter
It is 2.91 μm；Apply the Masterbatch of the active titanium dioxide, the dispersibility and optical property of pigment be improved significantly.
4, the present invention is using the titanate coupling agent of 1~6 parts by weight and the lauryl sodium sulfate of 1~6 parts by weight to 25
The titanium dioxide of~35 parts by weight is surface-treated, and the whiteness value of active titanium dioxide obtained has reached 80~82.1.
5, the present invention is modified to calcium carbonate progress surface using secondary dispersing agent, and the lipophilic degree of modified calcium carbonate reaches
86.2~87.1%, it can preferably be scattered in product；And calcium carbonate is the nanometer calcium carbonate of 40~90nm of average grain diameter, grain
Diameter is smaller than titanium dioxide partial size, and nanometer calcium carbonate can be filled into the gap of titanium dioxide particle, to reduce titanium dioxide particle
Secondary agglomeration, nanometer calcium carbonate can also play ball effect to titanium dioxide particle in titanium dioxide particle surface, make titanium dioxide
Particle is more rapid to be dispersed in Masterbatch and product.
6, the present invention replaces titanium dioxide using calcium carbonate, achievees the purpose that reduce cost；The quality of calcium carbonate and titanium dioxide
When ratio is 1:5, the rheological property of Masterbatch is improved, torque capacity 190N.m；Balancing moment is 145N.m；From processing
For performance, energy consumption can be reduced, improves yield.
Specific embodiment
Below with reference to embodiment, the present invention is further illustrated, and embodiments of the present invention are not limited thereto.
Embodiment one
A kind of Masterbatch provided in an embodiment of the present invention, including following raw material by weight:
24 parts by weight of LLDPE；
30 parts by weight of LDPE；
5 parts by weight of calcium carbonate；
10 parts by weight of starch；
25 parts by weight of titanium dioxide；
1 parts by weight of titanate coupling agent；
1 parts by weight of lauryl sodium sulfate；
7 parts by weight of main dispersant；
Secondary 1 parts by weight of dispersing agent.
Wherein:
The mass ratio of the LLDPE and the LDPE are 1:1.25.
The melt flow index of the LLDPE is 24g/10min.
The melt flow index of the LDPE is 6g/10min.
The titanate coupling agent and the mass ratio of the lauryl sodium sulfate are 1:1.
The calcium carbonate is the nanometer calcium carbonate of average grain diameter 40nm.
The mass ratio of calcium carbonate and titanium dioxide is 1:5.
The embodiment of the present invention also provides the preparation method of above-mentioned Masterbatch, comprising the following steps:
1) titanium dioxide for weighing proportional quantity is dried in vacuo 1h at 90 DEG C, then is scattered in solvent by the mass ratio of 1:10,
PH value is adjusted to 6.5, adjusts the temperature to 25 DEG C, the titanate coupling agent and lauryl sodium sulfate that proportional quantity is added are to solvent
In, react 1.5h；It filters, is washed with deionized, 5h is dried in vacuo after washing, active titanium dioxide is obtained after grinding；
2) calcium carbonate serosity containing proportional quantity calcium carbonate is stirred pre-dispersed, adds the secondary dispersion of proportional quantity
Agent carries out surface treatment 0.5h using ultrasonic disperser；After surface treatment, calcium carbonate serosity is filtered, washs filter cake, is dried
It is ground after dry up to activated Calcium carbonate；
3) open mill is preheated to 90 DEG C, the LLDPE and LDPE that proportional quantity is added are kneaded 2min into open mill；It adds
The main dispersant of proportional quantity is kneaded 3min；Open mill is added in the starch of active titanium dioxide, activated Calcium carbonate and proportional quantity to mix
15min is refined, mixing product is obtained；
4) Masterbatch is made in pelletizing after the mixing product being cooled to 20 DEG C.
In step 1), the solvent is the ethanol solution that ethanol content is 80%.
Embodiment two
A kind of Masterbatch provided in an embodiment of the present invention, including following raw material by weight:
27 parts by weight of LLDPE；
27 parts by weight of LDPE；
6 parts by weight of calcium carbonate；
12.5 parts by weight of starch；
30 parts by weight of titanium dioxide；
3.5 parts by weight of titanate coupling agent；
3.5 parts by weight of lauryl sodium sulfate；
9 parts by weight of main dispersant；
Secondary 2 parts by weight of dispersing agent.
Wherein:
The mass ratio of the LLDPE and the LDPE are 1:1.
The melt flow index of the LLDPE is 25.5g/10min.
The melt flow index of the LDPE is 7g/10min.
The titanate coupling agent and the mass ratio of the lauryl sodium sulfate are 1:1.
The calcium carbonate is the nanometer calcium carbonate of average grain diameter 65nm.
The mass ratio of calcium carbonate and titanium dioxide is 1:5.
The embodiment of the present invention also provides the preparation method of above-mentioned Masterbatch, comprising the following steps:
1) titanium dioxide for weighing proportional quantity is dried in vacuo 1h at 97.5 DEG C, then is scattered in solvent by the mass ratio of 1:11
In, pH value is adjusted to 7.0, adjusts the temperature to 32.5 DEG C, the titanate coupling agent and lauryl sodium sulfate that proportional quantity is added are extremely
In solvent, 2h is reacted；It filters, is washed with deionized, 6h is dried in vacuo after washing, active titanium dioxide is obtained after grinding；
2) calcium carbonate serosity containing proportional quantity calcium carbonate is stirred pre-dispersed, adds the secondary dispersion of proportional quantity
Agent carries out surface treatment 1h using ultrasonic disperser；After surface treatment, calcium carbonate serosity is filtered, washs filter cake, drying
After grind up to activated Calcium carbonate；
3) open mill is preheated to 100 DEG C, the LLDPE and LDPE that proportional quantity is added are kneaded 4min into open mill；Again plus
The main dispersant for entering proportional quantity is kneaded 4min；Open mill is added in the starch of active titanium dioxide, activated Calcium carbonate and proportional quantity
It is kneaded 17.5min, obtains mixing product；
4) Masterbatch is made in pelletizing after the mixing product being cooled to 22.5 DEG C.
In step 1), the solvent is the ethanol solution that ethanol content is 85%.
Embodiment three
A kind of Masterbatch provided in an embodiment of the present invention, including following raw material by weight:
30 parts by weight of LLDPE；
24 parts by weight of LDPE；
7 parts by weight of calcium carbonate；
15 parts by weight of starch；
35 parts by weight of titanium dioxide；
6 parts by weight of titanate coupling agent；
6 parts by weight of lauryl sodium sulfate；
11 parts by weight of main dispersant；
Secondary 3 parts by weight of dispersing agent.
Wherein:
The mass ratio of the LLDPE and the LDPE are 1:0.8.
The melt flow index of the LLDPE is 27g/10min.
The melt flow index of the LDPE is 9g/10min.
The titanate coupling agent and the mass ratio of the lauryl sodium sulfate are 1:1.
The calcium carbonate is the nanometer calcium carbonate of average grain diameter 90nm.
The mass ratio of calcium carbonate and titanium dioxide is 1:5.
The embodiment of the present invention also provides the preparation method of above-mentioned Masterbatch, comprising the following steps:
1) titanium dioxide for weighing proportional quantity is dried in vacuo 1.5h at 105 DEG C, then is scattered in solvent by the mass ratio of 1:12
In, pH value is adjusted to 7.5, adjusts the temperature to 40 DEG C, and the titanate coupling agent and lauryl sodium sulfate that proportional quantity is added are to molten
In agent, 2.5h is reacted；It filters, is washed with deionized, 7h is dried in vacuo after washing, active titanium dioxide is obtained after grinding；
2) calcium carbonate serosity containing proportional quantity calcium carbonate is stirred pre-dispersed, adds the secondary dispersion of proportional quantity
Agent carries out surface treatment 1.5h using ultrasonic disperser；After surface treatment, calcium carbonate serosity is filtered, washs filter cake, is dried
It is ground after dry up to activated Calcium carbonate；
3) open mill is preheated to 110 DEG C, the LLDPE and LDPE that proportional quantity is added are kneaded 6min into open mill；Again plus
The main dispersant for entering proportional quantity is kneaded 5min；Open mill is added in the starch of active titanium dioxide, activated Calcium carbonate and proportional quantity
It is kneaded 20min, obtains mixing product；
4) Masterbatch is made in pelletizing after the mixing product being cooled to 25 DEG C.
In step 1), the solvent is the ethanol solution that ethanol content is 90%.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (9)
1. a kind of Masterbatch, which is characterized in that including following raw material by weight:
24~30 parts by weight of LLDPE；
24~30 parts by weight of LDPE；
5~7 parts by weight of calcium carbonate；
10~15 parts by weight of starch；
25~35 parts by weight of titanium dioxide；
1~6 parts by weight of titanate coupling agent；
1~6 parts by weight of lauryl sodium sulfate；
7~11 parts by weight of main dispersant；
Secondary 1~3 parts by weight of dispersing agent.
2. Masterbatch according to claim 1, which is characterized in that the mass ratio of the LLDPE and the LDPE are 1:
0.8~1.25.
3. Masterbatch according to claim 1 or 2, which is characterized in that the melt flow index of the LLDPE be 24~
27g/10min。
4. Masterbatch according to claim 1 or 2, which is characterized in that the melt flow index of the LDPE is 6~9g/
10min。
5. Masterbatch according to claim 1, which is characterized in that the titanate coupling agent and the dodecyl sulphate
The mass ratio of sodium is 1:1.
6. Masterbatch according to claim 1, which is characterized in that the calcium carbonate is the nanometer of 40~90nm of average grain diameter
Calcium carbonate.
7. Masterbatch according to claim 1 or 6, which is characterized in that the mass ratio of calcium carbonate and titanium dioxide is 1:5.
8. the preparation method of described in any item Masterbatch according to claim 1~7, which comprises the following steps:
1) titanium dioxide for weighing proportional quantity is dried in vacuo 1~1.5h at 90~105 DEG C, then presses the quality score of 1:10~12
It dissipates in solvent, adjusts pH value to 6.5~7.5, adjust the temperature to 25~40 DEG C, the titanate coupling agent and ten of proportional quantity is added
Sodium dialkyl sulfate reacts 1.5~2.5h into solvent；It filters, is washed with deionized, 5~7h is dried in vacuo after washing, is ground
Active titanium dioxide is obtained after mill；
2) calcium carbonate serosity containing proportional quantity calcium carbonate is stirred pre-dispersed, adds the secondary dispersing agent of proportional quantity, makes
0.5~1.5h of surface treatment is carried out with ultrasonic disperser；After surface treatment, calcium carbonate serosity is filtered, washs filter cake, is dried
It is ground after dry up to activated Calcium carbonate；
3) open mill is preheated to 90~110 DEG C, the LLDPE and LDPE that proportional quantity is added are kneaded 2~6min into open mill；Again
The main dispersant that proportional quantity is added is kneaded 3~5min；The starch addition of active titanium dioxide, activated Calcium carbonate and proportional quantity is opened
Mill is kneaded 15~20min, obtains mixing product；
4) Masterbatch is made in pelletizing after the mixing product being cooled to 20~25 DEG C.
9. the preparation method of Masterbatch according to claim 8, which is characterized in that in step 1), the solvent is second
The ethanol solution that alcohol content is 80%~90%.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103937088A (en) * | 2014-05-20 | 2014-07-23 | 上海玉城灿星塑料材料有限公司 | High-concentration polyolefin calcium carbonate filled white master batch and preparation method thereof |
| CN104059273A (en) * | 2014-06-16 | 2014-09-24 | 蓝星（成都）新材料有限公司 | Special polyethylene coloring masterbatch for white thin film and preparation method of masterbatch |
| CN104059276A (en) * | 2014-06-23 | 2014-09-24 | 蓝星（成都）新材料有限公司 | High dispersion polyethylene coloring masterbatch |
-
2019
- 2019-09-09 CN CN201910864827.XA patent/CN110498963A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103937088A (en) * | 2014-05-20 | 2014-07-23 | 上海玉城灿星塑料材料有限公司 | High-concentration polyolefin calcium carbonate filled white master batch and preparation method thereof |
| CN104059273A (en) * | 2014-06-16 | 2014-09-24 | 蓝星（成都）新材料有限公司 | Special polyethylene coloring masterbatch for white thin film and preparation method of masterbatch |
| CN104059276A (en) * | 2014-06-23 | 2014-09-24 | 蓝星（成都）新材料有限公司 | High dispersion polyethylene coloring masterbatch |
Non-Patent Citations (1)
| Title |
|---|
| 吴培熙等: "《聚合物共混改性（第三版）》", 31 August 2017, 中国轻工业出版社 * |
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Application publication date: 20191126 |
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