CN110551361A - special transparent master batch for barium sulfate-based ABS and preparation method thereof - Google Patents
special transparent master batch for barium sulfate-based ABS and preparation method thereof Download PDFInfo
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Abstract
The invention provides a special transparent master batch for barium sulfate-based ABS (acrylonitrile-butadiene-styrene) and a preparation method thereof, wherein the transparent master batch is prepared by taking polystyrene, toluene and precipitated barium sulfate as raw materials to prepare polystyrene microfilm coated barium sulfate, then mixing the barium sulfate with polypropylene wax and EVA (ethylene-vinyl acetate copolymer) to obtain a material A, then mixing polymethyl methacrylate and nano glass powder to obtain a material B, then crushing and refining ABS and mica powder to obtain a material C, and then sequentially adding the material C into a double-screw extruder to perform extrusion granulation. The special transparent master batch for barium sulfate-based ABS provided by the invention is characterized in that through engineering and process design, uniform dispersion of barium sulfate is simply realized, the glossiness and scratch-resistant transparency of ABS plastic can be effectively improved, the whole preparation process is simple, and the popularization and application are easy.
Description
Technical Field
the invention relates to the technical field of plastic master batches, in particular to a special transparent master batch for barium sulfate-based ABS and a preparation method thereof.
Background
ABS resin is one of five synthetic resins, its impact resistance, heat resistance, low temperature resistance, chemical resistance and electrical property are excellent, and it also has the characteristics of easy processing, stable product size and good surface gloss, and can be easily coated and colored, and can also be used for secondary processing of surface spraying metal, electroplating, welding, hot-pressing and bonding, etc., and can be extensively used in the industrial fields of machinery, automobile, electronic and electric appliances, instruments and meters, textile and building, etc., so that it is a thermoplastic engineering plastic with extensive application. Acrylonitrile-butadiene-styrene copolymers are terpolymers composed of acrylonitrile, butadiene and styrene.
because the ABS resin contains a rubber phase, the melt flowability is poor in actual processing, and particularly, when a large-size workpiece or a structural complex workpiece is subjected to injection molding processing, defects such as color spots, flow marks, cold scars, welding marks and the like often appear on the surface of the workpiece, so that the performance and the appearance of the workpiece are greatly influenced, and the application of the workpiece is limited.
Therefore, it is important to improve the quality of the ABS product by improving the external brightness of the ABS product. At present, the brightening of ABS is mainly realized by adding ester brightening agent. However, ABS requires scratch resistance and the like, and excessive use of additives affects scratch resistance, so that fillers such as mica, glass powder and barium sulfate become the first choice, scratch resistance is guaranteed, and high gloss is imparted to ABS.
Chinese patent application No. 201310543730.1 discloses a PC/ABS reinforced brightening composite material, which comprises the following components in parts by weight: PC35-70 parts, ABS15-30 parts, toughening agent 2-8 parts, precipitated barium sulfate 8-12 parts, fluorescent whitening agent 1-3 parts, light stabilizer 0.5-2 parts, compatilizer 1-3 parts, antioxidant 0.1-0.5 part and lubricant 0.1-1.5 parts; the invention adopts a two-step extrusion method and adds a proper amount of auxiliary agents such as a toughening agent, precipitated barium sulfate, a fluorescent whitening agent, a light stabilizer, a compatilizer and the like to blend and modify to prepare a PC/ABS blending system. The Chinese patent application No. 201611071192.0 discloses a high-specific-gravity, high-dispersity and impact-resistant ABS material and a preparation method thereof, wherein the ABS material comprises the following components in parts by weight: 40-55 parts of ABS, 15-45 parts of precipitated barium sulfate, 10-35 parts of filling master batch, 1-3 parts of compatilizer, 1-1.5 parts of lubricant, 0.2-0.5 part of antioxidant, 15 parts of metallocene LLDPE, 80 parts of precipitated barium sulfate and 5 parts of processing aid in parts by weight, and the filling master batch is obtained by melting, extruding, granulating and drying through a double-screw extruder.
It can be known that the preparation and dispersion difficulty of the existing high-gloss master batch is high, and the research is concentrated on the aspect of dispersant treatment in a large quantity, so that the effect is not ideal. And almost all fillers except glass microspheres can reduce the gloss of the filled article. In order to improve the dispersibility of the inorganic filler in the ABS master batch, it is necessary to provide a new type of special-purpose clear master batch for ABS, and further improve the gloss of the ABS master batch.
Disclosure of Invention
aiming at the defects of poor dispersibility and unobvious gloss improvement when the existing inorganic filler is used for ABS materials, the invention provides the special transparent master batch for barium sulfate-based ABS and the preparation method thereof, thereby improving the dispersibility of barium sulfate in ABS and improving the gloss of ABS.
In order to solve the problems, the invention adopts the following technical scheme:
The invention also provides a preparation method of the special transparent master batch for barium sulfate-based ABS, which comprises the following steps:
(1) Dissolving polystyrene in toluene, then stirring at high speed of 800-1500rpm in a closed container for 5-15min at normal temperature to form transparent slurry, adding precipitated barium sulfate, continuously stirring at high speed for 10-30min to fully coat the surface of the precipitated barium sulfate with the slurry, and then spray-drying to obtain polystyrene microfilm-coated barium sulfate;
(2) Adding barium sulfate coated with polystyrene microfilms, polypropylene wax and EVA into a high-speed mixer, and uniformly dispersing at 60-80 ℃ to obtain a material A;
(3) adding polymethyl methacrylate and nano glass powder into a jet mill, refining and mixing for 20-30min under the crushing pressure of 0.6-1MPa to obtain a material B;
(4) adding ABS and mica powder into a jet mill, and then pulverizing and refining for 10-20min under the pulverizing pressure of 0.5-0.8MPa to obtain a material C;
(5) Adding the material A into a double-screw extruder, then mixing the material A by a screw in a first section to a third section, then adding the material B in a fourth section, continuously mixing the material B in a fourth section to a sixth section, then adding the material C in a seventh section, mixing the material C in a seventh section to a ninth section, and then extruding and granulating the mixture in a tenth section to obtain the special transparent and bright master batch for the barium sulfate-based ABS; wherein in the extrusion granulation of the double-screw extruder, the temperature of the screw from the first section to the third section is 100 ℃, the temperature of the screw from the fourth section to the sixth section is 130-.
Preferably, the purity of the precipitated barium sulfate powder is more than 99 percent, and the fineness is 2000-5000 meshes.
preferably, in the step (1), in the preparation of the barium sulfate coated by the polystyrene microfilm, the mass ratio of the polystyrene to the toluene is 1:5, and the mass of the precipitated barium sulfate is 200-300% of the mass of the transparent slurry.
preferably, in the preparation of the material A in the step (2), the mass ratio of the barium sulfate coated by the polystyrene microfilm, the polypropylene wax and the EVA is 100:3-5: 10-15.
Preferably, in the preparation of the material B in the step (3), the mass ratio of the polymethyl methacrylate to the nano glass powder is 3: 1.
Preferably, in the preparation of the material C in the step (4), the mass ratio of the ABS to the mica powder is 3: 1.
preferably, in the extrusion granulation process in the step (5), the mass ratio of the material A, the material B and the material C is 5:1: 1.
The transparent master batch special for the barium sulfate-based ABS is prepared by the method, wherein the transparent master batch is prepared by taking polystyrene, toluene and precipitated barium sulfate as raw materials to prepare polystyrene microfilm coated barium sulfate, then mixing the barium sulfate with polypropylene wax and EVA to obtain a material A, then mixing polymethyl methacrylate and nano glass powder to obtain a material B, then crushing and refining ABS and mica powder to obtain a material C, and then sequentially adding a double-screw extruder to perform extrusion granulation. Adding the material A into a double-screw extruder, and when the material A is mixed by a screw for one section to three sections, the temperature is 100 ℃, the EVA is completely melted, the polystyrene coating film cannot be completely melted, and the barium sulfate is coated with the polystyrene micro-film to promote the dispersion of the barium sulfate in an EVA system; then adding the material B into the four sections, mixing the materials from the four sections to the six sections at the temperature of 130-140 ℃, melting and dispersing the polymethyl methacrylate, and uniformly dispersing the polymethyl methacrylate with the barium sulfate because the barium sulfate is pre-dispersed; further adding a material C in seven sections, and uniformly dispersing barium sulfate coated by the polystyrene microfilm and ABS in seven to nine sections. If barium sulfate is directly dispersed in an ABS and polymethyl methacrylate system, the dispersion is difficult due to high viscosity and high processing temperature, and a polystyrene coating film is quickly melted to lose the coating significance, so that barium sulfate is agglomerated. The invention creatively starts from engineering, utilizes the melting temperature difference of EVA, polymethyl methacrylate and ABS, and disperses barium sulfate in an EVA system in advance on the premise of not damaging a polystyrene coating layer, and disperses the polymethyl methacrylate and ABS system at gradually increased temperature. The barium sulfate is uniformly dispersed simply through engineering and process design without adopting a complex modification process.
Barium sulfate, glass powder and mica powder are known to have good gloss and are raw materials with better plastic gloss improvement and scratch-resistant transparency, however, the barium sulfate, the glass powder and the mica powder are difficult to disperse in a plastic system, so that the excellent high-light performance cannot be expressed. Although the prior art improves dispersibility by adding dispersants, enhancing shear dispersion, etc., the effect is not always significant.
In view of the above, the invention firstly prepares barium sulfate coated by polystyrene microfilm, then disperses with polypropylene wax and EVA at 60-80 ℃ in a high-speed mixer, the polyethylene wax is slowly melted and dispersed, and the polystyrene coating is not damaged, so that the barium sulfate is uniformly dispersed to obtain material A.
further, the polymethyl methacrylate and the nano glass powder are refined and mixed in a jet mill to obtain a material B. The conventional polymethyl methacrylate is in a large particle shape, and if the conventional polymethyl methacrylate is directly mixed with the nano glass powder, the uniform mixing is difficult, the uniform charging is influenced, and the polymethyl methacrylate is crushed by the jet mill, so that the premixing of the polymethyl methacrylate and the nano glass powder can be well realized. Among them, polymethyl methacrylate is preferably Zhenjiang beauty-related industries, Inc., under the designation CM 205. In addition, ABS, mica powder are crushed and refined into powder in the jet mill, and then the material C can be obtained.
The existing inorganic filler has poor dispersibility in ABS, and is not obvious in improving the gloss of ABS, thereby limiting the application of the inorganic filler. In view of the above, the invention provides a special transparent master batch for barium sulfate-based ABS and a preparation method thereof, wherein polystyrene is dissolved in toluene, and is stirred at high speed in a closed container at normal temperature to form transparent slurry; then adding precipitated barium sulfate and continuing stirring at a high speed to ensure that the surface of the precipitated barium sulfate is fully coated by the slurry; spray drying to obtain barium sulfate coated by the polystyrene microfilm; uniformly dispersing barium sulfate, polypropylene wax and EVA coated with a polystyrene microfilm in a high-speed mixer to obtain a material A; thinning and mixing polymethyl methacrylate and nano glass powder by a jet mill to obtain a material B; crushing and refining ABS and mica powder by a jet mill to obtain a material C; adding the material A into a double-screw extruder, and mixing the material A by a screw in a first section to a third section; adding the material B into the four sections, and mixing the materials from the four sections to the six sections; adding the material C into the seven sections, and mixing the materials from the seven sections to the nine sections; finally, extruding and granulating by ten sections to obtain the special transparent master batch for the barium sulfate-based ABS. The special transparent master batch for barium sulfate-based ABS provided by the invention is characterized in that through engineering and process design, uniform dispersion of barium sulfate is simply realized, the glossiness and scratch-resistant transparency of ABS plastic can be effectively improved, the whole preparation process is simple, and the popularization and application are easy.
Compared with the prior art, the invention provides the special transparent master batch for barium sulfate-based ABS and the preparation method thereof, and the outstanding characteristics and excellent effects are as follows:
1. the invention utilizes the melting temperature difference of EVA, polymethyl methacrylate and ABS, and disperses barium sulfate in an EVA system in advance on the premise of not damaging a polystyrene coating layer, and disperses the polymethyl methacrylate and ABS system at gradually increased temperature, thereby obviously improving the dispersibility of barium sulfate in ABS.
2. The prepared barium sulfate-based transparent master batch special for ABS can effectively improve the glossiness and scratch-resistant transparency of ABS plastics.
3. The invention realizes the uniform dispersion of barium sulfate simply through engineering and process design, and the preparation method is simple and easy to popularize and apply.
Drawings
FIG. 1 is a photograph of a real object of the clear masterbatch obtained in example 1.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments, but it should not be construed that the scope of the present invention is limited to the following examples. Various substitutions and alterations can be made by those skilled in the art and by conventional means without departing from the spirit of the method of the invention described above.
Example 1
(1) Dissolving polystyrene in toluene, then stirring at high speed of 1500rpm for 5min in a closed container at normal temperature to form transparent slurry, adding precipitated barium sulfate with the fineness of 5000 meshes, continuing stirring at high speed for 30min to fully coat the surface of the precipitated barium sulfate with the slurry, and then performing spray drying to obtain polystyrene microfilm coated barium sulfate; the mass ratio of the polystyrene to the toluene is 1: 5; the mass of the added precipitated barium sulfate is 300 percent of the mass of the transparent slurry;
(2) Adding barium sulfate coated with a polystyrene microfilm, polypropylene wax and EVA into a high-speed mixer according to the mass ratio of 100:3:10, and uniformly dispersing at 60 ℃ to obtain a material A;
(3) Adding polymethyl methacrylate and nano glass powder into a jet mill according to the mass ratio of 3:1, refining and mixing for 30min under the crushing pressure of 1MPa to obtain a material B;
(4) Adding ABS and mica powder into a jet mill according to the mass ratio of 3:1, and then grinding and refining for 20min under the grinding pressure of 0.5MPa to obtain a material C;
(5) adding the material A into a double-screw extruder, then mixing the material A by a screw in a first section to a third section, then adding the material B in a fourth section, continuously mixing the material B in a fourth section to a sixth section, then adding the material C in a seventh section, mixing the material C in a seventh section to a ninth section, and then extruding and granulating the mixture in a tenth section to obtain the special transparent and bright master batch for the barium sulfate-based ABS; the temperature of the screw from one section to three sections is 100 ℃, the temperature of the screw from four sections to six sections is 140 ℃, the temperature of the screw from seven sections to nine sections is 210 ℃, and the temperature of the screw from ten sections is 175 ℃; the mass ratio of the material A to the material B to the material C is 5:1: 1.
FIG. 1 shows the clear master batch obtained in example 1, which has a bright surface and an effect similar to mirror surface and pearlescence.
example 2
(1) Dissolving polystyrene in toluene, then stirring at a high speed of 800rpm for 15min in a closed container at normal temperature to form transparent slurry, adding precipitated barium sulfate with the fineness of 2000 meshes, continuing stirring at a high speed for 10min to fully coat the surface of the precipitated barium sulfate with the slurry, and then performing spray drying to obtain polystyrene microfilm coated barium sulfate; the mass ratio of the polystyrene to the toluene is 1: 5; the mass of the added precipitated barium sulfate is 200% of the mass of the transparent slurry;
(2) Adding barium sulfate coated with a polystyrene microfilm, polypropylene wax and EVA into a high-speed mixer according to the mass ratio of 100:5:15, and uniformly dispersing at 80 ℃ to obtain a material A;
(3) adding polymethyl methacrylate and nano glass powder into a jet mill according to the mass ratio of 3:1, refining and mixing for 20min under the crushing pressure of 0.6MPa to obtain a material B;
(4) adding ABS and mica powder into a jet mill according to the mass ratio of 3:1, and then grinding and refining for 10min under the grinding pressure of 0.8MPa to obtain a material C;
(5) Adding the material A into a double-screw extruder, then mixing the material A by a screw in a first section to a third section, then adding the material B in a fourth section, continuously mixing the material B in a fourth section to a sixth section, then adding the material C in a seventh section, mixing the material C in a seventh section to a ninth section, and then extruding and granulating the mixture in a tenth section to obtain the special transparent and bright master batch for the barium sulfate-based ABS; the temperature of the screw from one section to three sections is 100 ℃, the temperature of the screw from four sections to six sections is 130 ℃, the temperature of the screw from seven sections to nine sections is 200 ℃, and the temperature of the screw from ten sections is 175 ℃; the mass ratio of the material A to the material B to the material C is 5:1: 1.
Example 3
(1) Dissolving polystyrene in toluene, then stirring at a high speed of 1000rpm for 10min in a closed container at normal temperature to form transparent slurry, adding precipitated barium sulfate with the fineness of 3000 meshes, continuously stirring at a high speed for 20min to ensure that the surface of the precipitated barium sulfate is fully coated by the slurry, and then spray-drying to obtain polystyrene microfilm coated barium sulfate; the mass ratio of the polystyrene to the toluene is 1: 5; the mass of the added precipitated barium sulfate is 250% of the mass of the transparent slurry;
(2) Adding barium sulfate coated with a polystyrene microfilm, polypropylene wax and EVA into a high-speed mixer according to the mass ratio of 100:4:13, and uniformly dispersing at 70 ℃ to obtain a material A;
(3) Adding polymethyl methacrylate and nano glass powder into a jet mill according to the mass ratio of 3:1, refining and mixing for 25min under the crushing pressure of 0.8MPa to obtain a material B;
(4) Adding ABS and mica powder into a jet mill according to the mass ratio of 3:1, and then grinding and refining for 15min under the grinding pressure of 0.6MPa to obtain a material C;
(5) Adding the material A into a double-screw extruder, then mixing the material A by a screw in a first section to a third section, then adding the material B in a fourth section, continuously mixing the material B in a fourth section to a sixth section, then adding the material C in a seventh section, mixing the material C in a seventh section to a ninth section, and then extruding and granulating the mixture in a tenth section to obtain the special transparent and bright master batch for the barium sulfate-based ABS; the temperature of the screw from one section to three sections is 100 ℃, the temperature of the screw from four sections to six sections is 135 ℃, the temperature of the screw from seven sections to nine sections is 205 ℃, and the temperature of the screw from ten sections is 175 ℃; the mass ratio of the material A to the material B to the material C is 5:1: 1.
Example 4
(1) dissolving polystyrene in toluene, then stirring at a high speed of 1300rpm for 12min in a closed container at normal temperature to form transparent slurry, adding precipitated barium sulfate with the fineness of 4000 meshes, continuing stirring at a high speed for 15min to ensure that the surface of the precipitated barium sulfate is fully coated by the slurry, and then carrying out spray drying to obtain polystyrene microfilm coated barium sulfate; the mass ratio of the polystyrene to the toluene is 1: 5; the mass of the added precipitated barium sulfate is 250% of the mass of the transparent slurry;
(2) Adding barium sulfate coated with a polystyrene microfilm, polypropylene wax and EVA into a high-speed mixer according to the mass ratio of 100:3:15, and uniformly dispersing at 65 ℃ to obtain a material A;
(3) Adding polymethyl methacrylate and nano glass powder into a jet mill according to the mass ratio of 3:1, refining and mixing for 22min under the crushing pressure of 0.7MPa to obtain a material B;
(4) adding ABS and mica powder into a jet mill according to the mass ratio of 3:1, and then grinding and refining for 12min under the grinding pressure of 0.7MPa to obtain a material C;
(5) Adding the material A into a double-screw extruder, then mixing the material A by a screw in a first section to a third section, then adding the material B in a fourth section, continuously mixing the material B in a fourth section to a sixth section, then adding the material C in a seventh section, mixing the material C in a seventh section to a ninth section, and then extruding and granulating the mixture in a tenth section to obtain the special transparent and bright master batch for the barium sulfate-based ABS; the temperature of the screw from one section to three sections is 100 ℃, the temperature of the screw from four sections to six sections is 138 ℃, the temperature of the screw from seven sections to nine sections is 210 ℃, and the temperature of the screw from ten sections is 175 ℃; the mass ratio of the material A to the material B to the material C is 5:1: 1.
Example 5
(1) Dissolving polystyrene in toluene, then stirring at a high speed of 900rpm for 8min in a closed container at normal temperature to form transparent slurry, adding precipitated barium sulfate with the fineness of 3000 meshes, continuously stirring at a high speed for 18min to ensure that the surface of the precipitated barium sulfate is fully coated by the slurry, and then spray-drying to obtain polystyrene microfilm coated barium sulfate; the mass ratio of the polystyrene to the toluene is 1: 5; the mass of the added precipitated barium sulfate is 280% of the mass of the transparent slurry;
(2) Adding barium sulfate coated with a polystyrene microfilm, polypropylene wax and EVA into a high-speed mixer according to the mass ratio of 100:5: 12, and uniformly dispersing at 75 ℃ to obtain a material A;
(3) adding polymethyl methacrylate and nano glass powder into a jet mill according to the mass ratio of 3:1, refining and mixing for 25min under the crushing pressure of 0.9MPa to obtain a material B;
(4) Adding ABS and mica powder into a jet mill according to the mass ratio of 3:1, and then grinding and refining for 12min under the grinding pressure of 0.6MPa to obtain a material C;
(5) Adding the material A into a double-screw extruder, then mixing the material A by a screw in a first section to a third section, then adding the material B in a fourth section, continuously mixing the material B in a fourth section to a sixth section, then adding the material C in a seventh section, mixing the material C in a seventh section to a ninth section, and then extruding and granulating the mixture in a tenth section to obtain the special transparent and bright master batch for the barium sulfate-based ABS; the temperature of the screw from one section to three sections is 100 ℃, the temperature of the screw from four sections to six sections is 132 ℃, the temperature of the screw from seven sections to nine sections is 208 ℃, and the temperature of the screw from ten sections is 175 ℃; the mass ratio of the material A to the material B to the material C is 5:1: 1.
Comparative example 1
Comparative example 1 in comparison with example 1, A, B, C was directly compounded and extruded without staged addition, otherwise identical to example 1.
The test method comprises the following steps:
And (3) testing the glossiness: the master batches obtained in examples 1 to 5 and comparative example 1 were mixed with ABS (dongli 920) in a mass ratio of 1: 10, preparing a sample by mixed injection molding, and testing the glossiness of 60 degrees by referring to GB/T8807 method for testing the plastic mirror surface gloss sample; the test results are shown in table 1;
Table 1:
| Performance index | Gloss (%) |
| Pure ABS (920) | 75.4 |
| example 1 | 85.1 |
| Example 2 | 85.2 |
| example 3 | 85.0 |
| Example 4 | 85.1 |
| Example 5 | 85.2 |
| Comparative example 1 | 79.4 |
through tests, due to the process design, barium sulfate is uniformly dispersed, the obtained transparent master batch has excellent gloss, and the gloss of a plastic part prepared by adding the barium sulfate in ABS is obviously improved.
Claims (8)
1. a preparation method of a special transparent master batch for barium sulfate-based ABS is characterized by comprising the following steps:
(1) dissolving polystyrene in toluene, then stirring at high speed of 800-1500rpm in a closed container for 5-15min at normal temperature to form transparent slurry, adding precipitated barium sulfate, continuously stirring at high speed for 10-30min to fully coat the surface of the precipitated barium sulfate with the slurry, and then spray-drying to obtain polystyrene microfilm-coated barium sulfate;
(2) Adding barium sulfate coated with polystyrene microfilms, polypropylene wax and EVA into a high-speed mixer, and uniformly dispersing at 60-80 ℃ to obtain a material A;
(3) adding polymethyl methacrylate and nano glass powder into a jet mill, refining and mixing for 20-30min under the crushing pressure of 0.6-1MPa to obtain a material B;
(4) Adding ABS and mica powder into a jet mill, and then pulverizing and refining for 10-20min under the pulverizing pressure of 0.5-0.8MPa to obtain a material C;
(5) Adding the material A into a double-screw extruder, mixing the material A by a screw in a first section to a third section, adding the material B in a fourth section, continuously mixing the material B in a fourth section to a sixth section, adding the material C in a seventh section, mixing the material C in a seventh section to a ninth section, and extruding and granulating the mixture in a tenth section to obtain the special transparent and bright master batch for the barium sulfate-based ABS; wherein in the extrusion granulation of the double-screw extruder, the temperature of the screw from the first section to the third section is 100 ℃, the temperature of the screw from the fourth section to the sixth section is 130-.
2. the method for preparing the special transparent master batch for the barium sulfate-based ABS as claimed in claim 1, wherein the purity of the precipitated barium sulfate powder is more than 99%, and the fineness is 2000-5000 meshes.
3. The method for preparing the special transparent master batch for the barium sulfate-based ABS as claimed in claim 1, wherein in the step (1), the mass ratio of polystyrene to toluene in the preparation of the barium sulfate coated by the polystyrene microfilm is 1:5, and the mass of the precipitated barium sulfate is 200-300% of the mass of the transparent slurry.
4. the method for preparing the special transparent master batch for the barium sulfate-based ABS as claimed in claim 1, wherein in the step (2) of preparing the material A, the mass ratio of the barium sulfate coated with the polystyrene microfilm, the polypropylene wax and the EVA is 100:3-5: 10-15.
5. the preparation method of the special transparent master batch for barium sulfate-based ABS as claimed in claim 1, wherein in the step (3) of preparing the material B, the mass ratio of the polymethyl methacrylate to the nano glass powder is 3: 1.
6. the method for preparing the special transparent master batch for barium sulfate-based ABS as claimed in claim 1, wherein in the step (4) of preparing the material C, the mass ratio of ABS to mica powder is 3: 1.
7. The method for preparing the special transparent master batch for the barium sulfate-based ABS as claimed in claim 1, wherein in the extruding and granulating process in step (5), the mass ratio of the material A to the material B to the material C is 5:1: 1.
8. A special transparent master batch for barium sulfate-based ABS, which is characterized by being prepared by the method of any one of claims 1 to 7.
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| CN112375239A (en) * | 2021-01-06 | 2021-02-19 | 佛山安亿纳米材料有限公司 | Preparation method and application of highlight master batch for barium sulfate-based ABS (acrylonitrile-butadiene-styrene) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112375239A (en) * | 2021-01-06 | 2021-02-19 | 佛山安亿纳米材料有限公司 | Preparation method and application of highlight master batch for barium sulfate-based ABS (acrylonitrile-butadiene-styrene) |
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