CN109486087B - Automobile interior ABS/PA6 alloy resin for replacing metal spraying and preparation method thereof - Google Patents
Automobile interior ABS/PA6 alloy resin for replacing metal spraying and preparation method thereof Download PDFInfo
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- CN109486087B CN109486087B CN201811225473.6A CN201811225473A CN109486087B CN 109486087 B CN109486087 B CN 109486087B CN 201811225473 A CN201811225473 A CN 201811225473A CN 109486087 B CN109486087 B CN 109486087B
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0812—Aluminium
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
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Abstract
The invention relates to the field of organic chemical production, and discloses an automobile interior ABS/PA6 alloy resin for replacing metal spraying and a preparation method thereof, wherein the alloy resin comprises the following raw materials in percentage by weight: 50-80% of ABS resin, 10-40% of PA6 resin, 4-8% of compatilizer, 2-10% of toughening agent, 0.2-0.5% of antioxidant, 0.2-1% of lubricant, 0.3-0.6% of hyper-dispersant and 0.5-10% of metal effect pigment. The preparation method comprises the steps of effect pigment surface treatment, premix preparation and finished product preparation. The material prepared by the invention can obtain a metal effect with uniform and consistent color and matte effect without spraying and direct injection molding, and the effect pigment has good compatibility with resin, small using amount of the effect pigment, low cost, environmental protection and excellent mechanical property.
Description
Technical Field
The invention relates to the field of organic chemical production, in particular to an automobile interior ABS/PA6 alloy resin material for replacing metal spray paint and a preparation method thereof.
Background
In automotive interior materials, in order to improve the appearance of plastic parts and prolong the service life of the parts, the parts are generally subjected to spray coating treatment. The spraying process generally needs the procedures of surface pretreatment, preheating, spraying, coating post-treatment and the like, and has the defects of long production flow, low efficiency, low yield, difficult recycling, high cost, environmental pollution and the like.
Along with social and economic development and technical progress, modern consumers have increasingly strong requirements on special color effects, and the spraying-free plastic is a product developed for the development trend of colorful, low-carbon, high-efficiency and environmental protection. The spraying-free plastic can greatly save the production time and cost, improve the product quality, increase the product durability and meet the requirements of consumers on originality and aesthetic feeling. With the improvement of scientific technology and the improvement of environmental protection consciousness of people, the spraying-free plastic can be applied more, so that enterprises can be better helped to improve market competitiveness, and economic sustainable development is promoted. Chinese patent application with publication number CN 104371317A discloses a 'matte high impact PA/ABS alloy material for automobile interior trim and a preparation method thereof', wherein nylon, ABS and an auxiliary agent are preliminarily mixed and then are subjected to melt extrusion by a double-screw extruder, and then bracing and granulation are carried out to obtain the matte high impact PA/ABS alloy material for automobile interior trim, the plastic feeling of the material is strong, the material is not attractive, and the matte and attractive effects are usually realized by secondary processing such as matte paint spraying.
If the metal powder is directly added into an ABS/PA6 system, the metal powder can be unevenly dispersed in a resin system to form accumulation and uneven product color, the tensile property and the impact property can be reduced due to the addition of the metal powder, and the performance can be unstable due to uneven dispersion. The addition of conventional paraffin dispersants also failed to achieve a good dispersing effect.
Disclosure of Invention
The invention aims to provide an automobile interior ABS/PA6 alloy resin material for replacing metal spray paint and a preparation method thereof, combines the advantages of spraying-free plastics, prepares the ABS/PA6 alloy material into spraying-free ABS/PA6 alloy resin, can obtain metal effects with uniform and consistent colors and matt luster without spraying and direct injection molding, and has the advantages of good compatibility of effect pigment and resin, small using amount of effect pigment, low cost, environmental protection and excellent mechanical properties.
In order to achieve the technical purpose and achieve the technical effect, the invention discloses an automobile interior ABS/PA6 alloy resin for replacing metal spraying, which is prepared from the following components in percentage by weight:
50-80% of ABS resin, 10-40% of PA6 resin, 4-8% of compatilizer, 2-10% of flexibilizer, 0.2-0.5% of antioxidant, 0.2-1% of lubricant, 0.3-0.6% of hyperdispersant and 0.5-10% of metal effect pigment.
Wherein the viscosity of the PA6 resin is 2.4-2.8 Pa.s.
Wherein the compatilizer is one or a mixture of two of styrene-maleic anhydride copolymer and acrylonitrile-butadiene-styrene copolymer grafted maleic anhydride.
Wherein, the toughening agent is one or a mixture of more of high rubber powder, styrene-butadiene-styrene copolymer grafted maleic anhydride and ethylene-octene copolymer grafted maleic anhydride.
Wherein the lubricant is one or more of silicone powder, modified ethylene di-fatty acid amide TAS-2A, Kelaien E wax and montan wax.
Wherein the hyper-dispersant is formed by mixing zinc stearate, ethylene bis-stearamide and polyurethane according to the mass ratio of 1:1: 1.
Preferably, the metal effect pigment is one or a mixture of metal powder and pearl powder, and the particle size of the metal effect pigment is 30-65 μm.
Preferably, the antioxidant is a mixture of hindered phenol antioxidant 1076 and phosphite antioxidant 168, wherein the mass ratio of hindered phenol antioxidant 1076 to phosphite antioxidant 168 is 1: 1.
the invention also discloses a preparation method of the automobile interior ABS/PA6 alloy resin for replacing metal spraying, and the preparation method of the automobile interior ABS/PA6 alloy resin for replacing metal spraying comprises the following steps:
surface treatment of effect pigment: stirring and mixing the metallic effect pigment, the hyperdispersant and the lubricant in a stirrer, and controlling the temperature to be 60-80 ℃ to obtain an effect pigment with a good surface treatment;
preparing a premix: stirring and mixing PA6 resin, ABS resin, a compatilizer, a flexibilizer and an antioxidant in a stirrer to obtain a premix;
and (3) preparing a finished product: and (3) putting the premix obtained in the previous step into a double-screw extruder for mixing, wherein the length-diameter ratio of a screw of the double-screw extruder is 44:1, the double-screw extruder at least comprises a side feeding port, adding the effect pigment with the well-treated surface from the side feeding port, and performing extrusion granulation to obtain the product.
The invention has the following beneficial effects:
1. the ABS/PA6 alloy resin which does not need to be sprayed can be prepared from the raw materials according to the proportion, the metal effect with uniform and consistent color and matte effect can be obtained by direct injection molding, and the ABS/PA6 alloy resin has the advantages of simple process, low cost and environmental protection.
2. The invention improves the compatibility of the effect pigment and the resin and the dispersibility of the effect pigment in the matrix resin by surface treatment of the effect pigment, reduces the using amount of the effect pigment and the cost on one hand, and effectively improves the metal texture on the other hand.
3. According to the invention, the micro-damage of screw shearing to the effect pigment is reduced and the effect and brightness of the effect pigment are improved by adding the surface-treated effect pigment in a side feeding and sectional manner.
Detailed Description
The following detailed description of embodiments of the invention is intended to be illustrative of the invention and is not to be construed as limiting the invention. The examples do not specify particular techniques or conditions, and are performed according to the techniques or conditions described in the literature in the art or according to the product specifications. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products commercially available.
Example 1:
the invention discloses an automobile interior ABS/PA6 alloy resin for replacing metal spraying, which is prepared from the following components in percentage by weight:
50-80% of ABS resin, 10-40% of PA6 resin, 4-8% of compatilizer, 2-10% of flexibilizer, 0.2-0.5% of antioxidant, 0.2-1% of lubricant, 0.3-0.6% of hyperdispersant and 0.5-10% of metal effect pigment.
The PA6 resin viscosity is 2.4-2.8 Pa.s.
The compatilizer is one or two of styrene-maleic anhydride copolymer and acrylonitrile-butadiene-styrene copolymer grafted maleic anhydride.
The toughening agent is one or a mixture of more of high rubber powder, styrene-butadiene-styrene copolymer grafted maleic anhydride and ethylene-octene copolymer grafted maleic anhydride.
The lubricant is one or more of silicone powder, modified ethylene di-fatty acid amide TAS-2A, Kelaien E wax and montan wax.
The hyper-dispersant is formed by mixing zinc stearate, ethylene bis-stearamide and polyurethane according to the mass ratio of 1:1: 1.
The metal effect pigment is one or the mixture of metal powder and pearl powder, and the particle size of the metal effect pigment is 30-65 μm.
The antioxidant is a mixture of hindered phenol antioxidant 1076 and phosphite antioxidant 168, wherein the mass ratio of the hindered phenol antioxidant 1076 to the phosphite antioxidant 168 is 1: 1.
the invention also discloses a preparation method of the automobile interior ABS/PA6 alloy resin for replacing metal spraying, and the preparation method of the automobile interior ABS/PA6 alloy resin for replacing metal spraying comprises the following steps:
surface treatment of effect pigment: stirring and mixing the metallic effect pigment, the hyperdispersant and the lubricant in a stirrer, and controlling the temperature to be 60-80 ℃ to obtain an effect pigment with a good surface treatment;
preparing a premix: stirring and mixing PA6 resin, ABS resin, a compatilizer, a flexibilizer and an antioxidant in a stirrer to obtain a premix;
and (3) preparing a finished product: and (3) putting the premix obtained in the previous step into a double-screw extruder for mixing, wherein the length-diameter ratio of a screw of the double-screw extruder is 44:1, the double-screw extruder at least comprises a side feeding port, adding the effect pigment with the well-treated surface from the side feeding port, and performing extrusion granulation to obtain the product.
Example 2
In this embodiment, based on example 1, products obtained by different ratios of each component are analyzed and divided into 8 experimental groups, and specific ratios of each group are shown in table 1, and the obtained products are subjected to the following item tests: density, tensile strength, flexural modulus, Izod notched impact strength, gloss, and metallic effect evaluation, the specific test or evaluation methods are as follows:
product effect test standard: density (g/cm)3) The test standard is ISO 1183; tensile strength (MPa) test standard ISO 527/2; the bending strength (MPa) test standard IS 0178; flexural modulus (MPa) test standard IS 0178; izod notched impact strength (KJ/m 2) test standard ISO 179-1; the gloss (%) test standard is ISO 2883. The sample is injection molded according to GB/T17037 standard, and the metal effect and the flow mark severity of the sample are evaluated. And (3) adopting a manual visual evaluation method for evaluating the metal effect and the flow mark severity, wherein the metal effect is divided into 0-10 points according to the quality, the better the metal effect is, the higher the score is, at least 5 persons are selected for evaluation, and the average division is taken.
TABLE 1 concrete ratio (wt%) of each component of experiment groups 1-8
The metal effect pigment used in the experimental group 1 is alumina powder MP29-20C of the Eka, and the particle size is about 30 mu m;
the metal effect pigment used in the experimental group 2 is alumina powder MP35-20B of the Eka, and the particle size is about 35 mu m;
the metal effect pigment used in the experimental group 3 is alumina powder MP68-20C of the Eka, and the particle size is about 65 mu m;
the metal effect pigment used in the experimental group 4 is aluminum powder MP35-20B of Aika and pearl powder YB 119 of Wenzhou also Bai chemical Co., Ltd in a mass ratio of 1: 1;
the metal effect pigment used in the experimental group 5 is aluminum powder MP35-20B of Aika and pearl powder YB 119 of Wenzhou also Bai chemical Co., Ltd in a mass ratio of 2: 1;
the metal effect pigment used in the experimental group 6 is aluminum powder MP 50-20C of Aika and pearl powder YB 110 of Wenzhou also Bai chemical Co., Ltd in a mass ratio of 1: 1;
the metal effect pigment used in the experimental group 7 is aluminum powder MP 50-20C of Aika and pearl powder YB 110 of Wenzhou also Bai chemical Co., Ltd in a mass ratio of 3: 1;
the metallic effect pigment used in experiment group 8 was alumina powder MP 50-20C of Eka, the particle size was about 50 μm, and the amount of the hyperdispersant was 0.
TABLE 2 test results of the experimental groups 1-8
| Test items | Unit of | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Example 6 | Example 7 | Example 8 |
| Tensile strength | MPa | 50 | 55 | 58 | 52 | 53 | 52 | 51 | 41 |
| Bending strength | MPa | 62 | 74 | 83 | 71 | 73 | 72 | 70 | 53 |
| Flexural modulus | MPa | 1780 | 2100 | 2400 | 2060 | 2080 | 2050 | 2030 | 1520 |
| Izod notched impact Strength | KJ/m2 | 45 | 43 | 39 | 42 | 41 | 40 | 35 | 17 |
| Glossiness (60 degree) | % | 42 | 28 | 21 | 34 | 20 | 31 | 28 | 20 |
| Metallic effect | 8 | 8 | 8 | 8 | 8 | 4 | 10 | 1 |
The products are detected and compared, the results are shown in the table 2, and the results show that the ABS/PA6 alloy resin materials for replacing the automotive interiors for metal spray painting prepared by the methods of the examples 1-8 have uniform and consistent colors, matte metal effects, good strength, excellent mechanical properties and excellent impact strength; the matte effect of the embodiment 5 is the best, and the performances are excellent; the metal effect is strongest in example 7, but the impact strength is lowest. In example 8, since the amount of the hyperdispersant was 0, the effect pigment was not subjected to an effective surface treatment, and the compatibility with the resin and the dispersibility in the matrix resin were poor, the metallic effect was the worst, and the mechanical properties were also significantly reduced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (6)
1. The ABS/PA6 alloy resin for replacing the automotive interior for metal spraying is characterized by being prepared from the following components in percentage by weight:
65% of ABS resin, 21% of PA6 resin, 8% of compatilizer, 4% of flexibilizer, 0.4% of antioxidant, 0.3% of lubricant, 0.3% of hyperdispersant and 1% of metal effect pigment;
the toughening agent is one or a mixture of more of high rubber powder, styrene-butadiene-styrene copolymer grafted maleic anhydride and ethylene-octene copolymer grafted maleic anhydride;
the hyper-dispersant is formed by mixing zinc stearate, ethylene bis-stearamide and polyurethane according to the mass ratio of 1:1: 1;
the preparation method of the alloy resin comprises the following steps:
surface treatment of effect pigment: stirring and mixing the metallic effect pigment, the hyperdispersant and the lubricant in a stirrer, and controlling the temperature to be 60-80 ℃ to obtain an effect pigment with a good surface treatment;
preparing a premix: stirring and mixing PA6 resin, ABS resin, a compatilizer, a flexibilizer and an antioxidant in a stirrer to obtain a premix;
and (3) preparing a finished product: and (3) putting the premix obtained in the previous step into a double-screw extruder for mixing, wherein the length-diameter ratio of a screw of the double-screw extruder is 44:1, the double-screw extruder at least comprises a side feeding port, adding the effect pigment with the well-treated surface from the side feeding port, and performing extrusion granulation to obtain the product.
2. The ABS/PA6 alloy resin for replacing automotive interior trim for metal spraying of claim 1, wherein the viscosity of the PA6 resin is 2.4-2.8 Pa.s.
3. The ABS/PA6 alloy resin for replacing automobile interior decoration of metal spraying as claimed in claim 1, wherein the compatibilizer is one or a mixture of styrene-maleic anhydride copolymer and acrylonitrile-butadiene-styrene copolymer grafted maleic anhydride.
4. The ABS/PA6 alloy resin for replacing automobile interior decoration of metal spraying as claimed in claim 1, wherein the lubricant is one or more of silicone powder, modified ethylene di-fatty acid amide TAS-2A, Kelaine E wax and montan wax.
5. The ABS/PA6 alloy resin for replacing automobile interior decoration used for metal spraying as recited in claim 1, wherein the metallic effect pigment is one or a mixture of two of metal powder and pearl powder, and the particle size of the metallic effect pigment is 30-65 μm.
6. The ABS/PA6 alloy resin for replacing automobile interior decoration for metal spraying as claimed in claim 1, wherein the antioxidant is a mixture of hindered phenol antioxidant 1076 and phosphite antioxidant 168, wherein the mass ratio of hindered phenol antioxidant 1076 to phosphite antioxidant 168 is 1: 1.
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| CN201811225473.6A CN109486087B (en) | 2018-10-20 | 2018-10-20 | Automobile interior ABS/PA6 alloy resin for replacing metal spraying and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5837045A (en) * | 1981-08-31 | 1983-03-04 | Denki Kagaku Kogyo Kk | Abs resin composition |
| CN106916445A (en) * | 2017-04-21 | 2017-07-04 | 金旸（厦门）新材料科技有限公司 | One kind exempts from spraying transparent glass fiber reinforced nylon resin material and preparation method thereof |
| CN108178921A (en) * | 2017-12-27 | 2018-06-19 | 上海普利特复合材料股份有限公司 | One kind is exempted to spray PA/ABS alloy materials and preparation method thereof |
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2018
- 2018-10-20 CN CN201811225473.6A patent/CN109486087B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5837045A (en) * | 1981-08-31 | 1983-03-04 | Denki Kagaku Kogyo Kk | Abs resin composition |
| CN106916445A (en) * | 2017-04-21 | 2017-07-04 | 金旸（厦门）新材料科技有限公司 | One kind exempts from spraying transparent glass fiber reinforced nylon resin material and preparation method thereof |
| CN108178921A (en) * | 2017-12-27 | 2018-06-19 | 上海普利特复合材料股份有限公司 | One kind is exempted to spray PA/ABS alloy materials and preparation method thereof |
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