CN115558235A - Particulate injection molding material for injection molded parts with textures, injection molded parts with textures and preparation method thereof - Google Patents
Particulate injection molding material for injection molded parts with textures, injection molded parts with textures and preparation method thereof Download PDFInfo
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 153
- 239000012778 molding material Substances 0.000 title claims abstract description 58
- 238000002347 injection Methods 0.000 title claims description 24
- 239000007924 injection Substances 0.000 title claims description 24
- 238000002360 preparation method Methods 0.000 title abstract description 13
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 132
- 239000002245 particle Substances 0.000 claims abstract description 102
- 239000000463 material Substances 0.000 claims abstract description 96
- 238000002844 melting Methods 0.000 claims abstract description 24
- 230000008018 melting Effects 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 23
- 239000004595 color masterbatch Substances 0.000 claims description 57
- 239000011347 resin Substances 0.000 claims description 34
- 229920005989 resin Polymers 0.000 claims description 34
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 18
- 239000003086 colorant Substances 0.000 claims description 18
- 239000000049 pigment Substances 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 7
- 239000004413 injection moulding compound Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000008188 pellet Substances 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims 1
- 239000000758 substrate Substances 0.000 abstract description 15
- 238000007639 printing Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 11
- 239000008187 granular material Substances 0.000 abstract description 9
- 239000002994 raw material Substances 0.000 abstract description 9
- 238000005034 decoration Methods 0.000 abstract description 6
- 238000004088 simulation Methods 0.000 abstract description 5
- 230000000052 comparative effect Effects 0.000 description 15
- 238000012545 processing Methods 0.000 description 9
- 230000009467 reduction Effects 0.000 description 7
- 239000003344 environmental pollutant Substances 0.000 description 6
- 231100000719 pollutant Toxicity 0.000 description 6
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- 229910001385 heavy metal Inorganic materials 0.000 description 5
- 238000004134 energy conservation Methods 0.000 description 4
- 230000004927 fusion Effects 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 125000001997 phenyl group Chemical class [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- -1 benzene class compound Chemical class 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000004922 lacquer Substances 0.000 description 2
- 239000004579 marble Substances 0.000 description 2
- 238000007909 melt granulation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
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- 238000007493 shaping process Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
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- 239000012530 fluid Substances 0.000 description 1
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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
- C08L55/00—Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00
- C08L55/02—ABS [Acrylonitrile-Butadiene-Styrene] polymers
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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
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a particle injection molding material for injection molding parts with textures, injection molding parts with textures and a preparation method thereof. The particle injection molding material comprises a base material master batch and master batch particles, wherein the volume of the master batch particles is 1/4-1/2 of the volume of the base material master batch, the mass ratio of the master batch particles to the base material master batch is 0.01-0.5, the master batch particles do not contain 0, and the melting temperature of the master batch particles is higher than that of the base material master batch. The application provides a granule injection molding material for having texture injection molding adopts substrate master batch and masterbatch to be the raw materials, through volume, quantity and the melting temperature of control masterbatch, makes it at the in-process of preparation injection molding, and masterbatch is incomplete to be melted in the substrate and produces the flow mark and form the decoration texture, demonstrates the unique aesthetic feeling of simulation natural flow and natural texture, and then riches the outward appearance image of injection molding. Compared with the traditional printing process, the method has more natural and various forms.
Description
Technical Field
The invention relates to an injection molding material, in particular to a granular injection molding material for injection molding parts with textures, injection molding parts with textures and a preparation method thereof.
Background
The rapid development of the urbanization process promotes people to move towards nature. People are used to the lusterless and noisy cities, and the trend of the cities to the natural environment is stronger. At present, natural style home decoration is formed quietly, a device with natural texture appearance is more popular with consumers, a pure white appearance device slowly fades out of the eyes of the consumers, and natural wind comes in.
The existing devices with natural texture appearances are generally prepared by adopting a printing mode, and raw materials contain pollutants such as VOC, benzene compounds, heavy metals and the like, so that a large amount of energy can be consumed, and the realization of environmental protection, energy conservation and emission reduction is not facilitated.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
The invention mainly aims to provide a particle injection molding material for injection molding parts with textures, injection molding parts with textures and a preparation method thereof, and aims to solve the problems that the existing devices with natural texture appearances are prepared in a printing mode, contain pollutants in raw materials, consume a large amount of energy, and are not beneficial to environmental protection, energy conservation and emission reduction.
In order to achieve the above object, according to one aspect of the present invention, there is provided a pellet injection molding material for injection molding having texture, the pellet injection molding material comprising a base material mother particle and a color masterbatch particle, the volume of the color masterbatch particle is 1/4 to 1/2 of the volume of the base material mother particle, the mass ratio of the color masterbatch particle to the base material mother particle is 0.01 to 0.5.
Further, the volume of the base material master batch is 15-25 mm for the particle injection molding material with the texture injection molding part 3 The volume of the color master batch particles is 3.75-12.5 mm 3 。
Further, the volume of the base material master batch is 16-24 mm 3 And/or the volume of the color master batch particles is 4-12 mm 3 。
Further, the color of the base material master batch is white or light gray, and the color of the master batch particles is black or dark gray; or the color of the base material master batch is black or dark gray, and the color of the master batch particles is white or light gray.
Further, the material of the base material master batch comprises ABS resin, first PC resin and a first coloring agent, the mass ratio of the ABS resin to the first PC resin is 20-80-20, and the mass ratio of the first coloring agent in the base material master batch is 3% -15%; the material of the color masterbatch particle comprises a second PC resin and a second colorant, wherein the mass ratio of the second colorant in the color masterbatch particle is 3-15%.
Further, the first colorant is medium-gray color master batch, and the second colorant is black color master batch.
Further, the base material master batch also comprises an aluminum powder pigment or a pearl powder pigment; and/or the material of the color master batch particles also comprises aluminum powder pigment or pearl powder pigment.
According to another aspect of the present invention there is also provided a textured injection molded part of any of the materials provided in the first aspect above for use in a particulate injection molded part of a textured injection molded part.
According to a third aspect of the present invention, there is also provided a method of making a textured injection molded part, the method comprising: step S1, mixing the base material master batch and the color master batch particles to obtain a particle injection molding material for an injection molding part with textures; s2, drying and heating the granular injection molding material for the texture injection molding part to melt the base material master batch, and partially melting the master batch to obtain a molten injection molding material; and S3, injection molding the molten injection molding material to obtain the textured injection molding part.
Use the technical scheme of this application, the granule injection molding material for having texture injection molding that this application provided adopts substrate master batch and masterbatch as the raw materials, through volume, quantity and the melting temperature of control masterbatch, makes it at the in-process of preparation injection molding, and masterbatch is incomplete to be melted in the substrate and produces the flow mark and form the decoration texture, demonstrates the unique aesthetic feeling of simulation natural flow and natural texture, and then riches the outward appearance image of injection molding. Compared with the traditional printing process, the method has more natural and various forms.
In addition, the particle injection molding material that is used for having texture injection molding that this application provided forms the injection molding that possesses natural texture through moulding plastics, not only do not contain in the raw materials VOC, pollutants such as benzene class compound and heavy metal, green, pollution-free production in the production process, and the energy consumption of traditional printing processing production link has been eliminated in addition, be favorable to realizing energy saving and emission reduction and reduce costs and increase effects, compare in traditional printing technology simultaneously, have more natural graceful and diversified form, the lacquer phenomenon can not appear falling, possess excellent practicality and durability.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 shows a photograph of a textured injection molded part according to example 1 of the present invention; and
FIG. 2 shows a photograph of a textured injection molded part provided in example 1;
FIG. 3 shows a photograph of a textured injection molded part provided in example 2.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As analyzed by the background technology of the application, the existing device with the natural texture appearance is generally prepared by a printing mode, and the raw materials contain pollutants such as VOC, benzene compounds, heavy metals and the like, so that a large amount of energy can be consumed, and the problems of environmental protection, energy conservation and emission reduction are not facilitated. In order to solve the technical problem, the application provides a particle injection molding material for injection molding parts with textures, injection molding parts with textures and a preparation method thereof.
In a first exemplary embodiment of the present application, a pellet injection molding material for injection molding with texture is provided, the pellet injection molding material comprises a base material master batch and a color master batch, the volume of the color master batch is 1/4 to 1/2 of the volume of the base material master batch, the mass ratio of the color master batch to the base material master batch is 0 to 0.5, 0 is not included, and the melting temperature of the color master batch is higher than the melting temperature of the base material master batch.
Use the technical scheme of this application, the granule injection molding material for having texture injection molding that this application provided adopts substrate master batch and masterbatch as the raw materials, through volume, quantity and the melting temperature of control masterbatch, makes it at the in-process of preparation injection molding, and masterbatch is incomplete to be melted in the substrate and produces the flow mark and form the decoration texture, demonstrates the unique aesthetic feeling of simulation natural flow and natural texture, and then riches the outward appearance image of injection molding. Compared with the traditional printing process, the method has more natural and various forms.
In addition, the particle injection molding material that is used for having texture injection molding that this application provided forms the injection molding that possesses natural texture through moulding plastics, not only do not contain in the raw materials VOC, pollutants such as benzene class compound and heavy metal, green, pollution-free production in the production process, and the energy consumption of traditional printing processing production link has been eliminated in addition, be favorable to realizing energy saving and emission reduction and reduce costs and increase effects, compare in traditional printing technology simultaneously, have more natural graceful and diversified form, the lacquer phenomenon can not appear falling, possess excellent practicality and durability.
In the above-mentioned granule injection molding material for having texture injection molding, masterbatch granule melting temperature is higher than the substrate master batch for when this granule injection molding material for having texture injection molding is being used for carrying out injection molding to process, the melting of substrate master batch forms molten state substrate resin, and masterbatch granule fuses and does not melt in molten state substrate resin part, and then forms the flow mark texture.
In the particle injection molding material for the texture injection molding part, the size of the color master batch particles is related to the thickness of the flow mark, the smaller the color master batch particles are, the easier the color master batch particles are to melt, the finer the flow mark is, and the size of the general color master batch particles is far smaller than that of the base material master batch, so that the fine flow mark with the flowing form can be further obtained.
In order to further improve the injection molding efficiency and the smoothness of flow marks, the volume of the base material master batch is preferably 15 to 25mm 3 The volume of the color master batch particles is 3.75-12.5 mm 3 Especially when the volume of the base material master batch is 16-24 mm 3 And/or the volume of the color master batch particles is 4-12 mm 3 The efficiency of preparing the injection molding part by using the particle injection molding material with the texture injection molding part is higher.
In order to prepare an injection molding with marble texture appearance, the color of the base material master batch is preferably white or light gray, and the color of the master batch particles is preferably black or dark gray; or the color of the base material master batch is black or dark gray, and the color of the master batch particles is white or light gray.
Typically, but not by way of limitation, in the particulate injection molding compound provided herein for use in injection molded parts having texture, the volume of the masterbatch particles is 1/4, 2/7, 1/3, 2/5, 1/2, or any two values of the volume of the substrate masterbatch forming a range; the mass ratio of the color master batch particles to the base material master batch particles is 0.05; the volume of the base material mother particles is 15mm 3 、18mm 3 、20mm 3 、22mm 3 、25mm 3 Or any two numerical values; the volume of the masterbatch particles is, for example, 3.75mm 3 、4mm 3 、5mm 3 、8mm 3 、10mm 3 、12mm 3 、12.5mm 3 Or any two numerical values.
In some embodiments of the present application, the material of the base material masterbatch comprises an ABS resin, a first PC resin and a first colorant, the mass ratio of the ABS resin to the first PC resin is 20-80-20, and the mass ratio of the first colorant in the base material masterbatch is 3% -15%; the material of the color masterbatch particle comprises a second PC resin and a second colorant, wherein the mass proportion of the second colorant in the color masterbatch particle is 3-15%, so that an injection molding part with excellent mechanical property and natural texture appearance can be obtained.
In order to further prepare the injection molding part with marble effect, the first colorant is preferably medium-gray color master, and the second colorant is preferably black color master.
In order to further improve the aesthetic property of the injection molding part, preferably, the material of the base material master batch further comprises an aluminum powder pigment or a pearl powder pigment, or the material of the master batch further comprises an aluminum powder pigment or a pearl powder pigment. The dosage of the aluminum powder pigment or the pearl powder pigment is not limited, and is adjusted according to the requirement of the injection molding part on the appearance.
In some embodiments of the present application, a method of preparing a substrate masterbatch comprises the steps of: ABS resin, first PC resin and medium gray master batch are mixed, added into an injection molding machine for melt granulation, and the processing temperature is 260 ℃ (the processing temperature range can be used between 240 ℃ and 280 ℃), so that the base material master batch with the size of 3.5mm multiplied by 3mm multiplied by 2mm and the processing error generally within +/-0.5 mm is obtained. The process flow is as follows: mixing PC resin, ABS resin and medium-ash color masterbatch → melting granulation → weighing → obtaining the base material masterbatch.
The preparation method of the color master batch particle comprises the following steps: and mixing the second PC resin with the black color master batch, adding the mixture into an injection molding machine for melt granulation, wherein the processing temperature is 280 ℃ (the usable processing temperature range is 260-300 ℃), and the color master batch particles with the size of 1.5mm multiplied by 2.5mm and the processing error of +/-0.5 mm are obtained. The process flow is as follows: mixing a second PC resin serving as a carrier with a black color master → melting granulation → weighing → obtaining color master batch particles.
In a second exemplary embodiment of the present application, a textured injection molded part is also provided, the material of which is provided in any of the first exemplary embodiments above for a particulate injection molded part having a texture.
The application provides an injection molding with texture forms through the granule injection molding material that is used for having the texture injection molding, and look female micelle is incomplete to be melted in the substrate and produce the flow mark and form the decoration texture, demonstrates the unique aesthetic feeling of simulation natural flow and natural texture, and then richens the outward appearance image of injection molding. Compared with the traditional printing process, the printing process has more natural and various forms, can not generate the phenomenon of paint falling, and has excellent practicability and durability.
In addition, the shape and structure of the textured injection molded part are not limited, and any injection molded part that can be obtained by injection molding may be used.
In a third exemplary embodiment of the present application, there is also provided a method of making the above-described textured injection molded article, the method comprising: and (3) carrying out injection molding on the granular injection molding material for the injection molding part with the texture to obtain the injection molding part with the texture.
The preparation method of the injection molding with the texture, provided by the application, has the advantages that pollutants such as VOC, benzene compounds, heavy metals and the like are not introduced in the whole process, the environment is protected, no pollution is generated, the energy consumption of the traditional printing and processing production link is eliminated, and the energy conservation, emission reduction, cost reduction and efficiency improvement are facilitated.
In order to further reduce defects in the injection-molded parts, the production method of the injection-molded parts preferably has a texture comprising the following steps: step S1, mixing the base material master batch and the color master batch to obtain a particle injection molding material for injection molding parts with textures; s2, drying and heating the granular injection molding material for the texture injection molding part to melt the base material master batch, and partially melting the master batch to obtain a molten injection molding material; and S3, injection molding the molten injection molding material to obtain the injection molding part with the texture.
The particle injection molding material used for the injection molding part with the texture is dried and then heated and melted, so that the phenomenon that the appearance of the injection molding part is influenced by bubbles generated in the injection molding process due to moisture contained in the injection molding material is avoided.
In order to further reduce the influence of bubbles on the appearance of the injection molded part, the drying temperature is preferably 80 to 90 ℃ and the drying time is preferably 3 to 4 hours in step S2.
In some embodiments of the present application, the textured injection molded part is prepared by the following steps:
(1) Weighing the base material master batch and the color master batch particles, mixing and stirring to obtain a particle injection molding material for injection molding parts with textures;
(2) Drying the granular injection molding material with the texture at 85 ℃ for 3h, putting the granular injection molding material into an injection molding machine for heating and melting to melt the base material master batch, and partially melting the color master batch particles in molten base material resin formed by the base material master batch to obtain a molten injection molding material;
(3) And (3) performing injection molding on the molten injection molding material at 260 ℃, cooling and shaping, and removing the injection molding material from the mold to obtain the injection molding part with the texture.
The advantageous effects of the present application will be described below with reference to examples and comparative examples.
Example 1
The embodiment provides a textured injection molding part, which is formed by injection molding of a granular injection molding material for the textured injection molding part, wherein the granular injection molding material comprises a base material master batch and a master batch particle, the size of the base material master batch is 3.5mm multiplied by 3mm multiplied by 2mm, the melting temperature is 260 ℃, the granular injection molding material is obtained by mixing, melting and granulating a PC resin, an ABS resin and a middle ash master batch, the mass content of the middle ash master batch in the base material master batch is 10%, and the mass ratio of the PC resin to the ABS resin is 40; the color master batch particles are 1.5mm multiplied by 2.5mm, the melting temperature is 280 ℃, the color master batch particles are obtained by mixing, melting and granulating PC resin and black color master batch, and the mass content of the black color master batch in the color master batch particles is 10%.
The preparation method of the injection molding piece comprises the following steps:
(1) Mixing and stirring a base material master batch and the master batch particles according to the mass ratio of 100.3 to obtain a particle injection molding material for the injection molding part with the texture;
(2) Drying the granular injection molding material with the texture at 85 ℃ for 3h, putting the granular injection molding material into an injection molding machine, heating and melting at 260 ℃ to melt the base material master batch, and partially melting the color master batch particles in molten base material resin formed by the base material master batch to obtain molten injection molding material;
(3) And (3) performing injection molding on the molten injection molding material at 260 ℃, cooling and shaping, and removing the injection molding material from the mold to obtain the injection molding part with the texture.
Example 2
The difference between this example and example 1 is that the size of the color master batch particles is 1/2 of the volume of the base material master batch, and the size is 2.8mm × 2.5mm × 1.5mm.
Example 3
This example is different from example 1 in that the volume of the color masterbatch particles is 1/4 of the volume of the base masterbatch particles, and the size is 2.5mm × 1.5mm × 1.4mm.
Example 4
The difference between the present embodiment and embodiment 1 is that the mass ratio of the base material master batch to the color master batch is 100.
Example 5
The difference between the present embodiment and embodiment 1 is that the mass ratio of the base material master batch to the color master batch is 100.
Example 6
The difference between this example and example 1 is that the base material masterbatch is obtained by mixing, melting and granulating ABS resin and medium-ash masterbatch, and no PC resin is added.
Example 7
The difference between the present example and example 1 is that the mass ratio of the PC resin to the ABS resin in the base material mother particle is 20.
Example 8
The difference between this example and example 1 is that the mass ratio of the PC resin to the ABS resin in the base material mother particle is 80.
Example 9
The difference between this example and example 1 is that the mass ratio of the PC resin to the ABS resin in the base material mother particle is 10.
Example 10
The difference between this example and example 1 is that the mass ratio of the PC resin to the ABS resin in the base material mother particle is 90.
Comparative example 1
The difference between the comparative example and the example 1 is that the volume of the color master batch is 1/8 of the volume of the base material master batch, and the size is 1.5mm multiplied by 1.4mm multiplied by 1.25mm.
Comparative example 2
This comparative example differs from example 1 in that the volume of the color masterbatch particles is the same as the volume of the base material masterbatch particles.
Comparative example 3
The difference between the comparative example and the example 1 is that the mass ratio of the base material master batch to the color master batch is 100.
Comparative example 4
The difference between the comparative example and the example 1 is that the color master batch particles are obtained by mixing, melting and granulating ABS resin, PC resin and black dye, and the mass ratio of the ABS resin to the PC resin is the same as that of the two in the base material master batch.
Test example 1
The granular injection molding material for injection molding with texture and the injection molding provided in example 1 are photographed, as shown in fig. 1 and fig. 2, fig. 1 is a photograph of the granular injection molding material for injection molding with texture in example 1, and as can be seen from fig. 1, the granular injection molding material for injection molding with texture in example 1 is a mixture of light gray base material master batch and black master batch particles, and the size of the black master batch particles is obviously smaller than that of the base material master batch particles. As can be seen in fig. 2, the outer surface of the injection molded part has a decorative texture formed by flow marks, presenting a unique aesthetic that simulates natural flow and natural texture.
The injection-molded part having the texture provided in example 2 was photographed, and as a result, as shown in fig. 3, it was seen from fig. 3 that the outer surface of the injection-molded part had a decorative texture formed by flow marks, which had a more natural and various morphology.
Test example 2
(1) The 3.2mm notched impact strength of the injection molded parts provided in the above examples and comparative examples was measured according to the ASTMS256 specification, and the results showed that the notched impact strength of the injection molded parts provided in each example and comparative example was 400 to 420kJ, and all the injection molded parts satisfied the service requirements.
(2) The outer surfaces of the injection-molded parts provided in the above examples and comparative examples were visually observed to evaluate the texture density, the texture width, the texture morphology, and the ground color, respectively, and the results are shown in table 1 below.
Wherein the content of the first and second substances,
(a) The texture density is divided into five grades of no obvious texture, rare texture, moderate texture, dense texture and dense texture (covering ground color);
(b) The texture width is divided into five grades of no obvious texture, point texture, fine line texture, thick line texture and lump texture; (ii) a
(c) The morphology is divided into three grades, i.e. non-embodied morphology, fluid morphology and disordered morphology;
(d) The ground color is as follows: almost primary, slightly darkened, significantly darkened, fully darkened, heterochromatic, or full-blown.
TABLE 1
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects: the application provides a granule injection molding for having texture injection molding adopts substrate master batch and masterbatch to be the raw materials, through volume, quantity and the melting temperature of control masterbatch, makes it at the in-process of preparation injection molding, and masterbatch is incomplete to be melted in the substrate and produces the flow mark and form the decoration texture, demonstrates the unique aesthetic feeling of simulation natural flow and natural texture, and then richens the outward appearance image of injection molding. Compared with the traditional printing process, the method has more natural and various forms.
It can be seen from the comparison between examples 1-5 and example 6 that when the main resin material of the masterbatch particles is completely different from the main resin material of the base material masterbatch particles, the masterbatch particles and the base material masterbatch particles are not easy to fuse, and the obtained injection molding piece has lumps in appearance, which causes morphological disorder and is not aesthetic.
As can be seen from the comparison of examples 1-5, 7-8 and examples 9-10, the mass ratio of the ABS resin to the PC resin in the base material master batch is 20-80-20, which is more beneficial for preparing injection molding parts with unique aesthetic feeling, the excessive use amount of the PC resin can cause excessive fusion of the master batch particles and the base material master batch, and the excessive use amount of the PC resin can cause difficult fusion of the master batch particles and the base material master batch.
As can be seen from the comparison between examples 1-5 and comparative examples 1-2, the excessively small volume of the masterbatch particles can cause excessive fusion of the masterbatch particles and the base masterbatch particles, and the excessively large volume of the masterbatch particles can cause difficult fusion of the masterbatch particles and the base masterbatch particles, so that injection molding with unique aesthetic feeling can not be prepared.
It can be seen from the comparison of examples 1-5 and comparative example 3 that too much amount of the masterbatch particles results in too dense texture width on the surface of the injection molding, which affects the aesthetic feeling, and it can be seen from the comparison of examples 1-5 and comparative example 4 that the main resin material in the masterbatch particles is completely the same as the main resin material in the base material masterbatch particles, and the masterbatch particles and the base material masterbatch particles are completely fused, so that obvious texture cannot be formed on the surface of the injection molding, and the masterbatch particles do not have unique aesthetic feeling.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A particle injection molding material for injection molding parts with textures, which is characterized by comprising a base material master batch and a color master batch, wherein the volume of the color master batch is 1/4-1/2 of the volume of the base material master batch, the mass ratio of the color master batch to the base material master batch is 0.01-0.5, 0 is not contained, and the melting temperature of the color master batch is higher than that of the base material master batch.
2. The particulate injection molding compound for injection-molded parts having texture of claim 1, wherein the volume of the base material master batch is 15 to 25mm 3 The volume of the color master batch particles is 3.75-12.5 mm 3 。
3. The particulate injection molding material for injection-molded parts having texture according to claim 2, wherein the volume of the base material master batch is 16 to 24mm 3 ；
And/or the volume of the color master batch particles is 4-12 mm 3 。
4. The particulate injection molding compound for textured injection moldings of claim 1 wherein the color of said base matrix masterbatch particles is white or light gray and the color of said masterbatch particles is black or dark gray;
or the color of the base material master batch is black or dark gray, and the color of the master batch particles is white or light gray.
5. The pellet injection molding compound for injection molding parts with textures as claimed in claim 1, wherein the material of the base material master batch comprises ABS resin, first PC resin and first colorant, the mass ratio of the ABS resin to the first PC resin is 20-80-20, and the mass ratio of the first colorant in the base material master batch is 3-15%;
the material of the color masterbatch particle comprises a second PC resin and a second colorant, wherein the mass ratio of the second colorant in the color masterbatch particle is 3-15%.
6. The particulate injection molding compound for textured injection moldings of claim 5 wherein the first colorant is a medium color masterbatch and the second colorant is a black color masterbatch.
7. The particulate injection molding compound for textured injection moldings of claim 5, wherein the material of the base material masterbatch further comprises an aluminum powder pigment or a pearl powder pigment;
and/or the material of the color master batch particles also comprises aluminum powder pigment or pearl powder pigment.
8. A textured injection molding, characterized in that the material of the textured injection molding is the particulate injection molding for textured injection molding according to any one of claims 1 to 7.
9. The method of making a textured injection molded part according to claim 8, comprising:
step S1, mixing the base material master batch and the master batch particles to obtain the particle injection molding material for the injection molding part with the texture;
s2, drying and heating the granular injection molding material for the injection molding part with the texture to melt the base material master batch, wherein the master batch particles are partially melted to obtain a molten injection molding material;
and S3, performing injection molding on the molten injection molding material to obtain the injection molding part with the texture.
10. The method according to claim 9, wherein the drying temperature in step S2 is 80-90 ℃ for 3-4 hours.
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| JPH07214550A (en) * | 1994-01-24 | 1995-08-15 | Weishe Enterprise Co Ltd | Production of plastic material of grain pattern |
| CN108017895A (en) * | 2018-01-12 | 2018-05-11 | 上海晨光文具股份有限公司 | Masterbatch, the preparation method of Masterbatch and polymeric material |
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| CN114479380A (en) * | 2022-02-21 | 2022-05-13 | 金发科技股份有限公司 | Flow line master batch and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07214550A (en) * | 1994-01-24 | 1995-08-15 | Weishe Enterprise Co Ltd | Production of plastic material of grain pattern |
| CN108017895A (en) * | 2018-01-12 | 2018-05-11 | 上海晨光文具股份有限公司 | Masterbatch, the preparation method of Masterbatch and polymeric material |
| CN108676316A (en) * | 2018-06-13 | 2018-10-19 | 汪向喜 | A kind of preparation method of the ABS/PA6 plastics with marble grain effect |
| CN109438908A (en) * | 2018-11-07 | 2019-03-08 | 惠州莹光塑胶颜料有限公司 | Preparation method with stream cloud color plastic plate |
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Inventor after: Yang Tao Inventor after: Li Linshi Inventor after: Long Yunzheng Inventor before: Li Chaowei Inventor before: Yang Tao |