CN112778753B - PA6/PA56 silver flow apparent material and preparation method thereof - Google Patents
PA6/PA56 silver flow apparent material and preparation method thereof Download PDFInfo
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- CN112778753B CN112778753B CN202011624495.7A CN202011624495A CN112778753B CN 112778753 B CN112778753 B CN 112778753B CN 202011624495 A CN202011624495 A CN 202011624495A CN 112778753 B CN112778753 B CN 112778753B
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 95
- 239000000463 material Substances 0.000 title claims abstract description 85
- 229910052709 silver Inorganic materials 0.000 title claims abstract description 68
- 239000004332 silver Substances 0.000 title claims abstract description 68
- 238000002360 preparation method Methods 0.000 title claims description 21
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 30
- 238000004043 dyeing Methods 0.000 claims abstract description 28
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 239000003963 antioxidant agent Substances 0.000 claims description 47
- 230000003078 antioxidant effect Effects 0.000 claims description 47
- 239000000314 lubricant Substances 0.000 claims description 31
- 238000001746 injection moulding Methods 0.000 claims description 29
- 239000005083 Zinc sulfide Substances 0.000 claims description 15
- 229910052984 zinc sulfide Inorganic materials 0.000 claims description 15
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 7
- 239000012463 white pigment Substances 0.000 claims description 7
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- 229910019142 PO4 Inorganic materials 0.000 claims description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 3
- 239000000395 magnesium oxide Substances 0.000 claims description 3
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 3
- 239000010452 phosphate Substances 0.000 claims description 3
- 235000021355 Stearic acid Nutrition 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims description 2
- 238000005469 granulation Methods 0.000 claims description 2
- 230000003179 granulation Effects 0.000 claims description 2
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 claims description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical class CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 2
- 239000008117 stearic acid Substances 0.000 claims description 2
- -1 stearic acid alcohol ester Chemical class 0.000 claims description 2
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- 238000005303 weighing Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 4
- 239000011347 resin Substances 0.000 abstract description 6
- 229920005989 resin Polymers 0.000 abstract description 6
- 239000003086 colorant Substances 0.000 abstract description 5
- 238000002844 melting Methods 0.000 abstract description 5
- 230000008018 melting Effects 0.000 abstract description 5
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 239000003973 paint Substances 0.000 abstract description 2
- 239000004033 plastic Substances 0.000 abstract description 2
- 229920003023 plastic Polymers 0.000 abstract description 2
- 238000005507 spraying Methods 0.000 abstract description 2
- 238000003860 storage Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 229920002292 Nylon 6 Polymers 0.000 description 62
- 230000009286 beneficial effect Effects 0.000 description 15
- 230000000694 effects Effects 0.000 description 15
- 239000000126 substance Substances 0.000 description 9
- 238000000465 moulding Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 4
- CDOSHBSSFJOMGT-UHFFFAOYSA-N linalool Chemical compound CC(C)=CCCC(C)(O)C=C CDOSHBSSFJOMGT-UHFFFAOYSA-N 0.000 description 4
- 239000001490 (3R)-3,7-dimethylocta-1,6-dien-3-ol Substances 0.000 description 2
- CDOSHBSSFJOMGT-JTQLQIEISA-N (R)-linalool Natural products CC(C)=CCC[C@@](C)(O)C=C CDOSHBSSFJOMGT-JTQLQIEISA-N 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 229920007019 PC/ABS Polymers 0.000 description 2
- 238000003889 chemical engineering Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000010946 fine silver Substances 0.000 description 2
- 229930007744 linalool Natural products 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229960002380 dibutyl phthalate Drugs 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 229920006118 nylon 56 Polymers 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000003578 releasing effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
-
- 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
- C08K2003/0806—Silver
-
- 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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3009—Sulfides
- C08K2003/3036—Sulfides of zinc
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a PA6/PA56 silver flow apparent material which is prepared from the following raw materials in parts by weight: 4-19 parts of PA6 white dyeing material and 1 part of PA56 silver master batch. The PA6 resin has high fluidity and certain surface gloss due to the material characteristics, and the PA56 with high temperature is softened and dispersed in the PA6 with low temperature and oriented along the injection direction to present a flow pattern shape by manufacturing two dyeing materials with different colors and utilizing the different melting points of the PA6 material and the PA56 material, so the PA6 resin has low material cost and can be used for replacing the traditional paint spraying plastic parts in the applications of elevator decorative plates, storage boxes and the like.
Description
Technical Field
The invention belongs to the technical field of engineering plastic alloys, and particularly relates to a PA6/PA56 silver flow pattern apparent material and a preparation method thereof.
Background
PA6 is polyamide 6, an organic substance, and has a chemical formula of C 6 H 11 NO, PA56 is nylon 56, and for making a material with a flow-line effect appearance, two or more different color materials with poor melting point and good compatibility are usually required, if the two materials are not compatible, the surface is skinned and the material performance is poor. Therefore, it is desired to makeThe apparent material with good flow pattern effect needs a certain melting point temperature difference between the two materials, and avoids the situation that high-temperature components in the material are not melted due to overlarge melting point difference, and if the two materials with higher processing temperature are melted, the colors are completely consistent, and the flow pattern effect is avoided.
The conventional flow pattern effect material in the market is mostly PP/PE or PC/ABS products, the PP/PE material is soft and is easy to have stress whitening projects, and the PC/ABS surface lacks glossiness. The nylon has the advantages of good toughness, high glossiness and the like, but the nylon flow line products on the market are few.
Therefore, the research and development of the PA6/PA56 silver flow appearance material with good flow pattern effect, simple preparation process and low material cost and the preparation method thereof are the problems to be solved by the technical personnel in the field.
Disclosure of Invention
In view of the above, the invention provides the PA6/PA56 silver flow appearance material with good flow pattern effect, simple preparation process and low material cost and the preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a PA6/PA56 flow-pattern silver apparent material is prepared from the following raw materials in parts by weight: 4-19 parts of PA6 white dyeing material and 1 part of PA56 silver master batch.
The invention has the beneficial effects that: the PA6 resin has higher fluidity and certain surface gloss due to the material characteristics, two dyeing materials with different colors are manufactured, the melting points of the two materials PA6 and PA56 are different, the PA56 with high temperature is softened and dispersed in the PA6 with low temperature and oriented along the ejection direction, and the material is in a flow pattern shape, has low cost, can be used for replacing the traditional plastic paint spraying piece in the application of elevator decorative plates, storage boxes and the like, the flow pattern is not obvious when the proportion of PA56 is too low, and the problem that the material can not be melted and injected when the proportion of PA56 is too high is solved.
Further, the PA6 white dyeing material is prepared from the following raw materials in parts by weight: PA695-99.7 parts, white pigment 0.3-5 parts, antioxidant 0.4 part, and lubricant 0.3 part.
The adoption of the further beneficial effects is as follows: the PA6 white dye acts as a ground colorant, providing an effect of white texture.
Further, the PA56 silver master batch is prepared from the following raw materials in parts by weight: PA5697-99.7 parts, silver powder 0.3-3 parts, antioxidant 0.4 part and lubricant 0.3 part.
Adopt above-mentioned further beneficial effect to be: the PA56 silver master batch is used as the master batch, and provides a fine silver flow pattern effect.
Further, the PA6 is one or a mixture of more of the chemical engineering of yuanization YH300, YH400, YH500, YH600, YH700, YH800 and YH900, and is preferably the chemical engineering of yuanization YH 800. The relative viscosity of the PA6 is 2.6-2.8.
The adoption of the further beneficial effects is as follows: PA6 resin with relative viscosity of 2.6-2.8 provides good fluidity.
Further, the relative viscosity of the PA56 is 2.3 to 2.5.
The adoption of the further beneficial effects is as follows: PA56 with relative viscosity of 2.3-2.5 provides higher fluidity, and facilitates the PA56 silver master batch to diffuse into the PA6 white dyeing material to form a striation silver shape.
Further, the antioxidant is one or a mixture of several of hindered phenol antioxidant, amine antioxidant and phosphate antioxidant, preferably linalool 1098 and linalool 168.
The adoption of the further beneficial effects is as follows: the hindered phenol antioxidant and the phosphate antioxidant are compounded, so that the color of the material in extrusion and injection molding can be well protected.
Further, the lubricant is one or a mixture of several of a stearic acid amide lubricant, a stearic acid alcohol ester lubricant, and a stearic acid salt lubricant, and is preferably queen EBFF.
Adopt above-mentioned further beneficial effect to be: the above lubricant can improve the dispersion effect of the toner in the resin and provide a good releasing effect.
Further, the white pigment is one or a mixture of several of titanium dioxide, zinc sulfide, barium sulfate and magnesium oxide, and zinc sulfide is preferred.
Adopt above-mentioned further beneficial effect to be: the white pigment needs to be a pigment with higher whiteness and lower hardness. The whiteness is low, and the color effect is not obvious; high hardness tends to wear the silver powder, resulting in a dull silver effect.
Further, the silver powder is a silver-based powder flake having a silver element particle diameter of 10 to 50 μm, preferably 10 to 20 μm.
The invention also provides a preparation method of the PA6/PA56 silver flow apparent material, which comprises the following steps:
adopt above-mentioned further beneficial effect to be: the silver powder with the particle size has a bright and fine appearance effect, high covering power and strong granular feeling and lack of gloss when the particle size is too large.
The invention also provides a preparation method of the PA6/PA56 flow-pattern silver apparent material, which comprises the following steps:
weighing the raw materials according to the PA6/PA56 silver flow apparent material; and (3) uniformly mixing the PA6 white dyeing material and the PA56 silver master batch, and performing injection molding by using an injection molding machine to obtain the PA6/PA56 flow-pattern silver apparent material.
The invention has the beneficial effects that: the preparation method is simple in preparation process, convenient to operate and suitable for large-scale production and application.
Further, the injection temperature is 230-.
The adoption of the further beneficial effects is as follows: it is ensured that PA6 plasticizes while PA56 softens to disperse in PA 6.
Further, the preparation method of the PA6 white dyeing material comprises the following steps:
and (3) putting the PA6, the white pigment, the antioxidant and the lubricant into a double-screw extruder for melt mixing, and extruding and granulating to obtain the PA6 white dyeing material.
The adoption of the further beneficial effects is as follows: a6 white dye as a ground colorant provided a white texture effect.
Further, the length-diameter ratio of the screw of the double-screw extruder is (40-48):1, the temperature of the screw cylinder is 220-.
The adoption of the further beneficial effects is as follows: the double screw is favorable for dispersing toner in resin by proper length-diameter ratio and processing temperature.
Further, the preparation method of the PA56 silver master batch comprises the following steps:
and (2) putting the PA56, the silver powder, the antioxidant and the lubricant into a double-screw extruder, feeding the silver powder laterally, carrying out melt mixing, and carrying out extrusion granulation to obtain the PA56 silver master batch.
The adoption of the further beneficial effects is as follows: the PA56 silver master batch is used as the master batch, and provides an effect of fine silver flow lines.
Further, the length-diameter ratio of the screw of the double-screw extruder is (40-48):1, the temperature of the screw cylinder is 260-.
The adoption of the further beneficial effects is as follows: the silver powder is added in the side feeding mode, so that the silver powder can be prevented from being excessively sheared and losing luster.
Detailed Description
The present invention may be embodied in other specific forms without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Example 1
The preparation method of the PA6/PA56 flow-line silver apparent material comprises the following steps:
(1) putting PA6 Yuemization chemical YH80095kg, 0.3kg of zinc sulfide, 0.6kg of zinc sulfide, 10980.2kg of antioxidant Rianlong, 1680.2kg of antioxidant Rianlong and 0.3kg of lubricant Japanese king EBFF0 into a double-screw extruder for melt mixing, extruding and granulating, wherein the length-diameter ratio of a screw of the double-screw extruder is 40:1, the temperature of a screw cylinder is 220 ℃, and the rotating speed of the screw is 300rpm, so as to prepare the PA6 white dyeing material.
(2) 0.3kg of silver powder with the particle size of 10 mu m, 0.3kg of antioxidant Rianlong 10980.2kg, 1680.2kg of antioxidant Rianlong and 0.3kg of lubricant Japan Huawang EBFFF are put into a double-screw extruder, the silver powder is fed laterally, melted, mixed, extruded and granulated, the length-diameter ratio of a screw of the double-screw extruder is 40:1, the temperature of a screw cylinder is 260 ℃, the rotating speed of the screw is 300rpm, and a feeding area on the lateral side is positioned in a5 th area, so that the PA56 silver master batch is prepared.
(3) 4kg of PA6 white dyeing material and 1kg of PA56 silver master batch are uniformly mixed and then are subjected to injection molding by using an injection molding machine, the injection molding temperature is 245 ℃, and the PA6/PA56 flow pattern silver apparent material is prepared by molding.
Example 2
The preparation method of the PA6/PA56 flow-line silver apparent material comprises the following steps:
(1) putting PA6 Yuemization chemical YH80095kg, 0.3kg of zinc sulfide, 0.6kg of zinc sulfide, 10980.2kg of antioxidant Rianlong, 1680.2kg of antioxidant Rianlong and 0.3kg of lubricant Japanese king EBFF0 into a double-screw extruder for melt mixing, extruding and granulating, wherein the length-diameter ratio of a screw of the double-screw extruder is 40:1, the temperature of a screw cylinder is 220 ℃, and the rotating speed of the screw is 300rpm, so as to prepare the PA6 white dyeing material.
(2) 0.3kg of silver powder with the particle size of 10 mu m, 0.3kg of antioxidant Rianlong 10980.2kg, 1680.2kg of antioxidant Rianlong and 0.3kg of lubricant Japan Huawang EBFFF are put into a double-screw extruder, the silver powder is fed laterally, melted, mixed, extruded and granulated, the length-diameter ratio of a screw of the double-screw extruder is 40:1, the temperature of a screw cylinder is 260 ℃, the rotating speed of the screw is 300rpm, and a feeding area on the lateral side is positioned in a5 th area, so that the PA56 silver master batch is prepared.
(3) 9kg of PA6 white dyeing material and 1kg of PA56 silver master batch are uniformly mixed and then are subjected to injection molding by an injection molding machine, the injection molding temperature is 245 ℃, and the PA6/PA56 flow pattern silver apparent material is prepared by molding.
Example 3
The preparation method of the PA6/PA56 silver flow apparent material comprises the following steps:
(1) putting PA6 Yuemization chemical YH80095kg, 0.3kg of zinc sulfide, 0.6kg of zinc sulfide, 10980.2kg of antioxidant Rianlong, 1680.2kg of antioxidant Rianlong and 0.3kg of lubricant Japanese king EBFF0 into a double-screw extruder for melt mixing, extruding and granulating, wherein the length-diameter ratio of a screw of the double-screw extruder is 40:1, the temperature of a screw cylinder is 220 ℃, and the rotating speed of the screw is 300rpm, so as to prepare the PA6 white dyeing material.
(2) 0.3kg of silver powder with the particle size of 10 mu m, 0.3kg of antioxidant Rianlong 10980.2kg, 1680.2kg of antioxidant Rianlong and 0.3kg of lubricant Japan Huawang EBFFF are put into a double-screw extruder, the silver powder is fed laterally, melted, mixed, extruded and granulated, the length-diameter ratio of a screw of the double-screw extruder is 40:1, the temperature of a screw cylinder is 260 ℃, the rotating speed of the screw is 300rpm, and a feeding area on the lateral side is positioned in a5 th area, so that the PA56 silver master batch is prepared.
(3) 19kg of PA6 white dyeing material and 1kg of PA56 silver master batch are uniformly mixed and then are subjected to injection molding by using an injection molding machine, the injection molding temperature is 245 ℃, and the PA6/PA56 flow pattern silver apparent material is prepared by molding.
Example 4
The preparation method of the PA6/PA56 silver flow apparent material comprises the following steps:
(1) putting PA6 Yuemization chemical YH80095kg, 0.3kg of zinc sulfide, 0.6kg of zinc sulfide, 10980.2kg of antioxidant Rianlong, 1680.2kg of antioxidant Rianlong and 0.3kg of lubricant Japanese king EBFF0 into a double-screw extruder for melt mixing, extruding and granulating, wherein the length-diameter ratio of a screw of the double-screw extruder is 40:1, the temperature of a screw cylinder is 220 ℃, and the rotating speed of the screw is 300rpm, so as to prepare the PA6 white dyeing material.
(2) 0.3kg of silver powder with the particle size of 10 mu m, 0.3kg of antioxidant Rianlong 10980.2kg, 1680.2kg of antioxidant Rianlong and 0.3kg of lubricant Japan Huawang EBFFF are put into a double-screw extruder, the silver powder is fed laterally, melted, mixed, extruded and granulated, the length-diameter ratio of a screw of the double-screw extruder is 40:1, the temperature of a screw cylinder is 260 ℃, the rotating speed of the screw is 300rpm, and a feeding area on the lateral side is positioned in a5 th area, so that the PA56 silver master batch is prepared.
(3) 19kg of PA6 white dyeing material and 1kg of PA56 silver master batch are uniformly mixed and then are subjected to injection molding by using an injection molding machine, the injection molding temperature is 230 ℃, and the PA6/PA56 flow pattern silver apparent material is prepared by molding.
Example 5
The preparation method of the PA6/PA56 flow-line silver apparent material comprises the following steps:
(1) putting PA6 Yuemization chemical YH80095kg, 0.3kg of zinc sulfide, 0.6kg of zinc sulfide, 10980.2kg of antioxidant Rianlong, 1680.2kg of antioxidant Rianlong and 0.3kg of lubricant Japanese king EBFF0 into a double-screw extruder for melt mixing, extruding and granulating, wherein the length-diameter ratio of a screw of the double-screw extruder is 40:1, the temperature of a screw cylinder is 220 ℃, and the rotating speed of the screw is 300rpm, so as to prepare the PA6 white dyeing material.
(2) 0.3kg of silver powder with the particle size of 10 mu m, 0.3kg of antioxidant Rianlong 10980.2kg, 1680.2kg of antioxidant Rianlong and 0.3kg of lubricant Japan Huawang EBFFF are put into a double-screw extruder, the silver powder is fed laterally, melted, mixed, extruded and granulated, the length-diameter ratio of a screw of the double-screw extruder is 40:1, the temperature of a screw cylinder is 260 ℃, the rotating speed of the screw is 300rpm, and a feeding area on the lateral side is positioned in a5 th area, so that the PA56 silver master batch is prepared.
(3) 19kg of PA6 white dyeing material and 1kg of PA56 silver master batch are uniformly mixed and then are subjected to injection molding by an injection molding machine, the injection molding temperature is 270 ℃, and the PA6/PA56 flow pattern silver apparent material is prepared by molding.
Comparative example 1
The preparation method of the PA6/PA56 flow-line silver apparent material comprises the following steps:
(1) putting PA6 Yuemization chemical YH30097kg, 2kg of zinc sulfide, 0.8kg of barium sulfate, 10980.2kg of antioxidant Rianlong, 1680.2kg of antioxidant Rianlong and 0.3kg of lubricant Japanese king EBFFF into a double-screw extruder for melt mixing, extruding and granulating, wherein the length-diameter ratio of a screw of the double-screw extruder is 45:1, the temperature of a screw cylinder is 230 ℃, and the rotating speed of the screw is 320rpm, so as to prepare the PA6 white dyeing material.
(2) 2kg of silver powder with the particle size of 15 mu m, 2kg of antioxidant Rianlong 10980.2kg, 1680.2kg of antioxidant Rianlong and 0.3kg of lubricant EBFFF (ethylene-butyl-phthalate) in Kaiser organisms are put into a double-screw extruder, the silver powder is fed laterally, melted, mixed, extruded and granulated, the length-diameter ratio of a screw of the double-screw extruder is 45:1, the temperature of a screw cylinder is 270 ℃, the rotating speed of the screw is 320rpm, and a feeding area of the lateral feeding is positioned in a 7 th area, so that the PA56 silver master batch is prepared.
(3) 19kg of PA6 white dyeing material and 1kg of PA56 silver master batch are uniformly mixed and then are subjected to injection molding by using an injection molding machine, the injection molding temperature is 245 ℃, and the PA6/PA56 flow pattern silver apparent material is prepared by molding.
Comparative example 2
The preparation method of the PA6/PA56 flow-line silver apparent material comprises the following steps:
(1) putting PA6 Yuetization chemical YH60099.7kg, zinc sulfide 6kg, magnesium oxide 1kg, antioxidant Rianlong 10980.2kg, antioxidant Rianlong 1680.2kg and lubricant Japanese Huawang EBFF0.3kg into a double-screw extruder for melt mixing, extruding and granulating, wherein the length-diameter ratio of a screw of the double-screw extruder is 48:1, the temperature of a screw cylinder is 250 ℃, and the rotating speed of the screw is 350rpm, so as to prepare the PA6 white dyeing material.
(2) 3kg of silver powder with the particle size of 20 mu m, 3kg of antioxidant Rianlong, 10980.2kg of antioxidant Rianlong, 1680.2kg of antioxidant Rianlong and 0.3kg of lubricant Nippon Huawang EBFFF are put into a double-screw extruder, the silver powder is fed laterally, melted, mixed, extruded and granulated, the length-diameter ratio of a screw of the double-screw extruder is 48:1, the temperature of a screw cylinder is 280 ℃, the rotating speed of the screw is 350rpm, and a material feeding area for lateral feeding is positioned in a 7 th area, so that the PA56 silver master batch is prepared.
(3) 19kg of PA6 white dyeing material and 1kg of PA56 silver master batch are uniformly mixed and then are subjected to injection molding by using an injection molding machine, the injection molding temperature is 245 ℃, and the PA6/PA56 flow pattern silver apparent material is prepared by molding.
To further illustrate the technical effects of the present invention, the appearance of examples 1 to 5 and comparative examples 1 to 2 was evaluated, and the evaluation results are shown in Table 1.
TABLE 1 results of apparent evaluation of examples 1 to 5 and comparative examples 1 to 2
The embodiments described above are only a part of the embodiments of the present invention, and not all of them. 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.
Claims (8)
1. The PA6/PA56 flow-pattern silver apparent material is characterized by being prepared by uniformly mixing the following raw materials in parts by weight, and then performing injection molding by using an injection molding machine to mold: 4-19 parts of PA6 white dyeing material and 1 part of PA56 silver master batch;
the PA6 white dyeing material is prepared from the following raw materials in parts by weight: PA695-99.7 parts, white pigment 0.5-3 parts, antioxidant 0.4 part and lubricant 0.3 part;
the PA56 silver master batch is prepared from the following raw materials in parts by weight: PA5697-99.7 parts, silver powder 0.3-3 parts, antioxidant 0.4 part and lubricant 0.3 part;
the injection molding temperature is 245-250 ℃.
2. The PA6/PA56 silver flow appearance material as claimed in claim 1, wherein the antioxidant is one or a mixture of hindered phenol antioxidant, amine antioxidant and phosphate antioxidant.
3. The PA6/PA56 silver surface material as claimed in claim 1, wherein the lubricant is one or a mixture of more of a stearic acid amide type lubricant, a stearic acid alcohol ester type lubricant and a stearic acid salt type lubricant.
4. The PA6/PA56 silver flow appearance material as claimed in claim 1, wherein the white pigment is one or a mixture of titanium dioxide, zinc sulfide, barium sulfate and magnesium oxide.
5. The PA6/PA56 silver flow appearance material as claimed in claim 1, wherein the silver powder is silver powder flake with a silver element type particle size of 10-50 μm.
6. A preparation method of PA6/PA56 flow-line silver apparent material is characterized by comprising the following steps:
weighing the raw materials according to the PA6/PA56 silver flow apparent material of any one of claims 1 to 5; and (3) uniformly mixing the PA6 white dyeing material and the PA56 silver master batch, and performing injection molding by using an injection molding machine to obtain the PA6/PA56 flow-pattern silver apparent material.
7. The method for preparing the PA6/PA56 silver flow appearance material according to claim 6, wherein the method for preparing the PA6 white dyeing material comprises the following steps:
and (2) putting the PA6, the white pigment, the antioxidant and the lubricant into a double-screw extruder for melt mixing, and extruding and granulating to obtain the PA6 white dyeing material.
8. The method for preparing PA6/PA56 silver flow appearance material according to claim 6, wherein the method for preparing the PA56 silver master batch comprises the following steps:
and (2) putting the PA56, the silver powder, the antioxidant and the lubricant into a double-screw extruder, feeding the silver powder laterally, carrying out melt mixing, and carrying out extrusion granulation to obtain the PA56 silver master batch.
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