CN110862605A - Aesthetic spraying-free PP (polypropylene) composite material with high black imitated baking varnish and high gloss mirror surface and preparation method thereof - Google Patents
Aesthetic spraying-free PP (polypropylene) composite material with high black imitated baking varnish and high gloss mirror surface and preparation method thereof Download PDFInfo
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- 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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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/08—Copolymers of ethene
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- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
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- 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
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- C08J2423/06—Polyethene
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- 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
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/10—Homopolymers or copolymers of propene
- C08J2423/12—Polypropene
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Abstract
The invention discloses an aesthetic spraying-free PP (polypropylene) composite material with a high-black baking varnish-imitating high-gloss mirror surface and a preparation method thereof, wherein the composite material consists of color master batches and a PP composite material; the color master batch is composed of carbon black (Kabot, etc.), pigment red, pigment yellow, pigment blue, inorganic pigment, etc., a dispersing agent and a high-melt-index PP or PE carrier, and the color master batch comprises the following components in parts by weight: 10-30 parts of carbon black (cabot and the like). The composite material disclosed by the invention is composed of the color master batch and the PP composite material, so that the material does not need to be sprayed in the later use process, and can be subjected to one-step injection molding, a spray-free PP product with a black baking varnish-like high-gloss mirror surface and a starlight flickering effect is achieved, meanwhile, the product is high in qualification rate, low in cost, green and environment-friendly, free of emission of toxic and harmful gases caused by a spraying process, pollution-free, energy-saving and efficient, the social value and the economic value of the product are improved, and the benefit of an enterprise is met.
Description
Technical Field
The invention relates to the technical field of high polymer materials, in particular to an aesthetic spraying-free PP composite material with a high black baking varnish-imitating high-gloss mirror surface and a preparation method thereof.
Background
Among a plurality of injection molded products, the black color occupies the semiwall river mountain, and particularly in the fields of automobiles and household appliances, the share of the black products is more than 70 percent. Common black is not difficult to color, but carbon black or common black color master batch is directly added into the PP material for injection molding, because the dispersion problem is difficult to realize high glossiness, high brightness and high blackness, if the PP plastic achieves the specular effect of high brightness and simultaneously has the effect of starlight flickering, the traditional process can only bake paint, because the problem of flow marks generally exists in injection molding of a PP material with a starlight flashing metal-like effect, however, PP polypropylene belongs to a non-polar substance, the surface energy is low, the painting is difficult, the surface of the PP material needs to be combined with a complex surface for treatment before the painting, the spraying process of a PP material workpiece is complicated, and the PP material workpiece has the defects of high cost, low efficiency, low yield, great harm to human bodies and environment, easy shedding of paint surfaces, influence on product grade, difficulty in recycling products and defective products and the like.
Disclosure of Invention
The invention aims to provide an aesthetic spraying-free PP composite material with a high-black imitated baking varnish high-gloss mirror surface and a preparation method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the black baking varnish-imitating high-gloss mirror surface is an aesthetic spraying-free PP composite material with a starlight flickering effect, and the composite material is composed of color master batches and a PP composite material;
the color master batch is composed of carbon black (Kabot, etc.), pigment red, pigment yellow, pigment blue, inorganic pigment, etc., a dispersing agent and a high-melt-index PP or PE carrier, and the color master batch comprises the following components in parts by weight: 10-30 parts of carbon black (cabot and the like); 0-30 parts of pigment red, pigment yellow, pigment blue, inorganic pigment and the like; 5-20 parts of a dispersing agent; 50-70 parts of high-melt-index PP or PE carrier;
the PP composite material consists of black color master batch, compatilizer, antioxidant, PP material, PE material, EVA material and three-dimensional granular non-flaky metal powder, and comprises the following components in parts by weight: 4-8 parts of black color master batch; 0.1-0.3 part of a compatilizer; 0.1-0.8 part of antioxidant: 90-95 parts of PP material, PE material and EVA material; 2-8 parts of three-dimensional granular non-flaky metal powder.
Preferably, the preparation method comprises the following steps:
A. selecting high-concentration carbon black, high-gloss black pigment, high-melt-index PP powder or high-melt-index PE powder;
B. special black master batch is prepared by a high-shear double screw, so that color materials are fully dispersed to achieve the effect of high blackness;
C. selecting a PP composite material with higher fluidity and high gloss, and adding the PP composite material and special black color master batch into wear-resistant three-dimensional granular non-flaky metal powder;
D. a double-screw side feeding system is used for reducing the grinding of metal powder particles during melt blending and ensuring the metal flickering texture;
E. the aesthetic spraying-free PP composite material with black baking varnish-like high-gloss mirror surface and star-like twinkling effect is prepared by melt blending, extrusion, water bracing, drying and grain cutting.
Preferably, the temperature of the double-screw extruder is controlled to be 260-300 ℃, and the particle size of the black master batch is 1.8-2.4 mm.
Preferably, the PP composite material comprises PP + PP, PP + PE, PP + EVA, etc., and the plastic substrate further comprises pure PP, PE, etc.
Compared with the prior art, the invention has the following beneficial effects:
the composite material disclosed by the invention is composed of the color master batch and the PP composite material, so that the material does not need to be sprayed in the later use process, and can be subjected to one-step injection molding, a spray-free PP product with a black baking varnish-like high-gloss mirror surface and a starlight flickering effect is achieved, meanwhile, the product is high in qualification rate, low in cost, green and environment-friendly, free of emission of toxic and harmful gases caused by a spraying process, pollution-free, energy-saving and efficient, the social value and the economic value of the product are improved, and the benefit of an enterprise is met.
Drawings
FIG. 1 is a schematic diagram of a masterbatch batch formulation of the present invention;
FIG. 2 is a table showing the formulation of the PP composite of the present invention;
FIG. 3 is a schematic flow chart of the method of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the aesthetic spray-free PP composite material with high black imitated baking varnish and high gloss mirror surface and the preparation thereof are provided, the composite material is composed of the color master batch and the PP composite material, so that the material does not need to be sprayed in the later use process and can be formed by one-time injection molding, a spray-free PP product with black imitated baking varnish and high gloss mirror surface and starlight scintillation effect is achieved, meanwhile, the product has high qualification rate, low cost, environmental protection, no toxic and harmful gas emission caused by a spraying process, no pollution, energy saving and high efficiency are realized, the social value and economic value of the product are improved, and the benefit of an enterprise is met;
the color master batch is composed of carbon black (Kabot, etc.), pigment red, pigment yellow, pigment blue, inorganic pigment, etc., a dispersing agent and a high-melt-index PP or PE carrier, and the color master batch comprises the following components in parts by weight: 10-30 parts of carbon black (cabot and the like); 0-30 parts of pigment red, pigment yellow, pigment blue, inorganic pigment and the like; 5-20 parts of a dispersing agent; 50-70 parts of high-melt-index PP or PE carrier;
the PP composite material consists of black color master batch, compatilizer, antioxidant, PP material, PE material, EVA material and three-dimensional granular non-flaky metal powder, and comprises the following components in parts by weight: 4-8 parts of black color master batch; 0.1-0.3 part of a compatilizer; 0.1-0.8 part of antioxidant: 90-95 parts of PP material, PE material and EVA material; 2-8 parts of three-dimensional granular non-flaky metal powder.
The preparation method comprises the following steps:
A. selecting high-concentration carbon black, high-gloss black pigment, high-melt-index PP powder or high-melt-index PE powder;
B. special black master batch is prepared by a high-shear double screw, so that color materials are fully dispersed to achieve the effect of high blackness;
C. selecting a PP composite material with higher fluidity and high gloss, and adding the PP composite material and special black color master batch into wear-resistant three-dimensional granular non-flaky metal powder;
D. a double-screw side feeding system is used for reducing the grinding of metal powder particles during melt blending and ensuring the metal flickering texture;
E. the aesthetic spraying-free PP composite material with black baking varnish-like high-gloss mirror surface and star-like twinkling effect is prepared by melt blending, extrusion, water bracing, drying and grain cutting.
The temperature of the double-screw extruder is controlled to be 260-300 ℃, and the particle size of the black master batch is 1.8-2.4 mm.
The PP composite material comprises PP + PP, PP + PE, PP + EVA and the like, and meanwhile, the plastic base material also comprises pure PP, PE and other materials.
When the paint is used, the composite material is composed of the color master batch and the PP composite material, so that the paint does not need to be sprayed in the later use process, and can be subjected to one-step injection molding, a spray-free PP product with a high black imitation baking paint high-gloss mirror surface and a starlight flickering effect is achieved, meanwhile, the product is high in qualification rate, low in cost, green, environment-friendly, free of emission of toxic and harmful gases caused by a spraying process, pollution-free, energy-saving and efficient, the social value and the economic value of the product are improved, and the paint meets the benefits of enterprises.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The aesthetic spraying-free PP composite material with the high-black baking varnish-imitating high-gloss mirror surface is characterized by comprising the following components in parts by weight: the composite material consists of color master batches and a PP composite material;
the color master batch is composed of carbon black (Kabot, etc.), pigment red, pigment yellow, pigment blue, inorganic pigment, etc., a dispersing agent and a high-melt-index PP or PE carrier, and the color master batch comprises the following components in parts by weight: 10-30 parts of carbon black (cabot and the like); 0-30 parts of pigment red, pigment yellow, pigment blue, inorganic pigment and the like; 5-20 parts of a dispersing agent; 50-70 parts of high-melt-index PP or PE carrier;
the PP composite material consists of black color master batch, compatilizer, antioxidant, PP material, PE material, EVA material and three-dimensional granular non-flaky metal powder, and comprises the following components in parts by weight: 4-8 parts of black color master batch; 0.1-0.3 part of a compatilizer; 0.1-0.8 part of antioxidant: 90-95 parts of PP material, PE material and EVA material; 2-8 parts of three-dimensional granular non-flaky metal powder.
2. The preparation method of the aesthetic spraying-free PP composite material with the black imitation baking varnish high-gloss mirror surface having the starlight flickering effect according to claim 1 is characterized in that: the preparation method comprises the following steps:
A. selecting high-concentration carbon black, high-gloss black pigment, high-melt-index PP powder or high-melt-index PE powder;
B. special black master batch is prepared by a high-shear double screw, so that color materials are fully dispersed to achieve the effect of high blackness;
C. selecting a PP composite material with higher fluidity and high gloss, and adding the PP composite material and special black color master batch into wear-resistant three-dimensional granular non-flaky metal powder;
D. a double-screw side feeding system is used for reducing the grinding of metal powder particles during melt blending and ensuring the metal flickering texture;
E. the aesthetic spraying-free PP composite material with black baking varnish-like high-gloss mirror surface and star-like twinkling effect is prepared by melt blending, extrusion, water bracing, drying and grain cutting.
3. The aesthetic spraying-free PP composite material with high black imitation baking paint high gloss mirror surface and the preparation method thereof according to claim 2 are characterized in that: the temperature of the double-screw extruder is controlled to be 260-300 ℃, and the particle size of the black master batch is 1.8-2.4 mm.
4. The aesthetic spraying-free PP composite material with high black imitation baking paint high gloss mirror surface and the preparation method thereof according to claim 2 are characterized in that: the PP composite material comprises PP + PP, PP + PE, PP + EVA and the like, and meanwhile, the plastic base material also comprises pure PP, PE and other materials.
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| CN201810985071.XA CN110862605A (en) | 2018-08-28 | 2018-08-28 | Aesthetic spraying-free PP (polypropylene) composite material with high black imitated baking varnish and high gloss mirror surface and preparation method thereof |
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| CN201810985071.XA CN110862605A (en) | 2018-08-28 | 2018-08-28 | Aesthetic spraying-free PP (polypropylene) composite material with high black imitated baking varnish and high gloss mirror surface and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104479229A (en) * | 2014-12-17 | 2015-04-01 | 安徽科聚新材料有限公司 | Spray-free baking varnish metal-like polypropylene material and preparation method thereof |
| CN105623096A (en) * | 2016-03-02 | 2016-06-01 | 广东天保新材料有限责任公司 | Black PP master batch high in glossiness and brightness and preparation method thereof |
| CN107177158A (en) * | 2017-07-18 | 2017-09-19 | 珠海市金塑塑料有限公司 | It is a kind of to exempt from sprayed on material and preparation method thereof with metal-like |
| CN107474395A (en) * | 2017-09-21 | 2017-12-15 | 浙江百力塑业有限公司 | One kind exempts from painted plastic shell formula |
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2018
- 2018-08-28 CN CN201810985071.XA patent/CN110862605A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104479229A (en) * | 2014-12-17 | 2015-04-01 | 安徽科聚新材料有限公司 | Spray-free baking varnish metal-like polypropylene material and preparation method thereof |
| CN105623096A (en) * | 2016-03-02 | 2016-06-01 | 广东天保新材料有限责任公司 | Black PP master batch high in glossiness and brightness and preparation method thereof |
| CN107177158A (en) * | 2017-07-18 | 2017-09-19 | 珠海市金塑塑料有限公司 | It is a kind of to exempt from sprayed on material and preparation method thereof with metal-like |
| CN107474395A (en) * | 2017-09-21 | 2017-12-15 | 浙江百力塑业有限公司 | One kind exempts from painted plastic shell formula |
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