CN110903638A - Composite material capable of being electroplated, preparation method thereof and electroplated composite material - Google Patents
Composite material capable of being electroplated, preparation method thereof and electroplated composite material Download PDFInfo
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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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
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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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
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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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
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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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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D9/00—Electrolytic coating other than with metals
- C25D9/02—Electrolytic coating other than with metals with organic materials
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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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
Abstract
The invention discloses an electroplatable composite material, which comprises the following components in parts by weight: 41-92% of high polymer material, 8-29% of calcium carbonate, 0.1-1% of antioxidant, 0-45% of glass fiber and 0-1.5% of lubricant, wherein the high polymer material comprises crystalline high polymer material and non-crystalline high polymer material. The invention also discloses an electroplating composite material and a preparation method of the electroplating composite material. The invention avoids the chromium pollution to the environment when the electroplatable composite material is prepared into the electroplating composite material.
Description
Technical Field
The invention relates to the technical field of electroplating composite materials, in particular to an electroplatable composite material, a preparation method thereof and an electroplating composite material.
Background
With the rapid development of the automobile industry, the real estate bathroom market, plastic electroplating is available everywhere, and the demand is more and more, and the traditional ABS, PC/ABS are more and more applied to interior and exterior parts such as automobile decorative plates, door handles and the like by virtue of excellent mechanical properties and better metal effect after electroplating.
The PC/ABS electroplating material for the automobile combines excellent impact and heat resistance of PC and ABS forming performance, wherein B in the electroplated PC/ABS is butadiene rubber, and the butadiene rubber in the ABS is etched by chromic acid/concentrated sulfuric acid in the electroplating process, so that the surface of the material is microscopically rough, the contact area of a coating and a plastic matrix is increased, and the electroplatable performance of the PC/ABS material is endowed, but the electroplating mode can cause chromium pollution. That is, in the exemplary technique, the preparation of the electroplatable composite material can cause chromium contamination.
The above is only for the purpose of assisting understanding of the technical aspects of the present invention, and does not represent an admission that the above is prior art.
Disclosure of Invention
The invention mainly aims to provide an electroplatable composite material, a preparation method thereof and an electroplating composite material, and aims to solve the problem that chromium pollution is caused by the preparation of the electroplatable composite material.
To achieve the object of the present invention, the present invention provides an electroplatable composite material, which comprises the following components by weight:
41-92% of high polymer material, 8-29% of calcium carbonate, 0.1-1% of antioxidant, 0-45% of glass fiber and 0-1.5% of lubricant, wherein the high polymer material comprises crystalline high polymer material and non-crystalline high polymer material.
In one embodiment, the polymer material comprises a crystalline polymer material, and the electroplatable composite material comprises the following components in parts by weight:
41-92% of crystalline polymer material, 8-29% of calcium carbonate, 0.1-1% of antioxidant, 0-45% of glass fiber and 0-1% of lubricant.
In one embodiment, the electroplatable composite material comprises the following components by weight:
45-70% of crystalline polymer material, 8-29% of calcium carbonate, 0.3-1% of antioxidant and 0-45% of glass fiber.
In one embodiment, the crystalline polymer material includes nylon, polyphenylene sulfide, polypropylene, polyacetal resin, or polyethylene thermoplastic polyester.
In one embodiment, the polymer material comprises a non-crystalline polymer material, and the electroplatable composite material comprises the following components by weight:
70-92% of non-crystalline polymer material, 8-29% of calcium carbonate, 0.1-1% of antioxidant and 0.5-1.5% of lubricant.
In one embodiment, the crystalline polymer material includes at least one of polycarbonate, polyether, polysulfone, acrylate, polyvinyl chloride, and polystyrene.
To achieve the above object, the present invention also provides an electroplating composite material comprising a substrate formed of the above-mentioned electroplatable composite material and a metal layer on a surface of the substrate.
In order to accomplish the above objects, the present invention also provides a method for preparing an electroplatable composite material, the method comprising the steps of:
weighing the following raw materials in parts by weight: 41-92% of high polymer material, 8-29% of calcium carbonate, 0.1-1% of antioxidant, 0-45% of glass fiber and 0-1.5% of lubricant, wherein the high polymer material comprises crystalline high polymer material and non-crystalline high polymer material;
and putting the weighed raw materials into a mixer for mixing to obtain a mixed material, and putting the mixed material into an extruder for extrusion granulation to obtain the electroplatable composite material.
In one embodiment, the step of adding the weighed raw materials into a mixer for mixing to obtain a mixed material, and adding the mixed material into an extruder for extrusion granulation comprises:
putting the other raw materials except the glass fiber into a mixer for mixing to obtain a mixed material;
and feeding the mixed material into a main feeding port of a double-screw extruder, and feeding the glass fiber into a side feeding port of the double-screw extruder, so that the double-screw extruder performs extrusion granulation.
In an embodiment, after the step of feeding the mixture into an extruder for extrusion granulation, the method further includes:
performing injection molding on the electroplatable composite material to obtain a workpiece, performing alkaline washing on the workpiece, and performing acid etching on the workpiece after the alkaline washing, wherein acid adopted in the acid etching is at least one of hydrochloric acid, oxalic acid, nitric acid, phosphoric acid, sulfuric acid and hydrofluoric acid;
and (4) placing the acid-etched workpiece into electroplating liquid for electroplating to obtain an electroplating composite product.
The embodiment of the invention provides an electroplatable composite material, a preparation method thereof and an electroplating composite material, wherein the electroplatable composite material comprises the following components in parts by weight: 41-92% of high polymer material, 8-29% of calcium carbonate, 0.1-1% of antioxidant, 0-45% of glass fiber and 0-1.5% of lubricant. Because the composite material capable of being electroplated contains calcium carbonate, the calcium carbonate in the composite material capable of being electroplated can be reacted by common acid before the composite material capable of being electroplated is electroplated, so that the surface of the composite material capable of being electroplated presents micro-roughness for convenient electroplating, chromic acid is not required to be adopted for treating the surface of the composite material capable of being electroplated, and chromium pollution to the environment when the composite material capable of being electroplated is prepared into the electroplating composite material is further avoided.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
First, a brief overview of the method of making the electroplatable composite material provided by the embodiments of the present invention is provided.
The preparation method of the electroplatable composite material provided by the embodiment of the invention comprises the following steps:
(1) weighing the following raw materials in parts by weight: 41-92% of high polymer material, 8-29% of calcium carbonate, 0.1-1% of antioxidant, 0-45% of glass fiber and 0-1.5% of lubricant, wherein the high polymer material comprises crystalline high polymer material and non-crystalline high polymer material. When the polymer material is a crystalline polymer material, the electroplatable composite material comprises the following components in percentage by weight: 41-92% of crystalline high polymer material, 8-29% of calcium carbonate, 0.1-1% of antioxidant, 0-45% of glass fiber and 0-1% of lubricant, wherein the crystalline high polymer material comprises nylon, polyphenylene sulfide, polypropylene, polyacetal resin or polyethylene thermoplastic polyester. When the high polymer material is an amorphous high polymer material, the electroplatable composite material comprises the following components in percentage by weight: 70-92% of non-crystalline polymer material, 8-29% of calcium carbonate, 0.1-1% of antioxidant and 0.5-1.5% of lubricant, wherein the non-crystalline polymer material comprises at least one of polycarbonate, acrylate, polyether, polysulfone, polyvinyl chloride and polystyrene. The antioxidant comprises at least one of hindered monophenol compound, hindered bisphenol compound, hindered polyphenol compound and phosphite ester compound. The lubricant is pentaerythritol stearate. The purity of the calcium carbonate is required to be more than 98 percent.
(2) And putting the weighed raw materials into a mixer for mixing to obtain a mixed material, and putting the mixed material into an extruder for extrusion granulation to obtain particles, namely the electroplatable composite material. Wherein all raw materials including the glass fiber may be mixed. Or mixing other raw materials except the glass fiber to obtain a mixed material, putting the mixed material into a main feeding port of the double-screw extruder, and putting the glass fiber into a side feeding port of the double-screw extruder. Tests show that the performance of the electroplatable composite material obtained by adding the glass fiber into the mixed material through the side feeding port is superior to that of the electroplatable composite material prepared by mixing all the raw materials and then adding the raw materials into an extruder. The properties may be tensile strength, flexural strength, and flexural modulus.
Tests show that the prepared electroplatable composite material can be electroplated, and the electroplatable composite material prepared from the crystalline high polymer material has excellent strength and rigidity.
Further, the electroplating composite product can be prepared by electroplating the electroplatable composite material, and the preparation process of the electroplating composite product is as follows:
(3) and extruding and granulating by an extruder to obtain particles, and performing injection molding to obtain the required product.
(4) Performing alkali washing on the workpiece, and performing acid etching on the substrate subjected to the alkali washing, wherein the acid adopted in the acid etching is at least one of hydrochloric acid, oxalic acid, nitric acid, phosphoric acid, sulfuric acid and hydrofluoric acid, the alkali washing has the function of removing ester and stains on the surface of the workpiece, and the acid etching forms a micro rough surface on the surface of the workpiece;
(5) and (3) placing the acid-etched workpiece into electroplating solution for electroplating to prepare an electroplating composite product, wherein the electroplating composite product comprises a base body and a metal layer, the metal layer covers the surface of the base body, and the electroplating solution can be at least one of copper ion electroplating solution, nickel ion electroplating solution, tin ion electroplating solution, cadmium ion electroplating solution, chromium ion electroplating solution, zinc ion electroplating solution and silver ion electroplating solution, and different electroplating layer metals are adjusted according to requirements.
Example 1
(1) Weighing the following raw materials in parts by weight: crystalline high polymer material nylon 46%, calcium carbonate 8.7%, hindered bisphenol 0.3% and glass fiber 45%;
(2) putting the raw materials of the glass fiber into a mixer for mixing to obtain a mixed material, putting the mixed material into a main feeding port of a double-screw extruder, and putting the glass fiber into a side feeding port of the double-screw extruder to extrude and granulate the glass fiber by the extruder to obtain particles, namely the electroplatable composite material;
(3) extruding and granulating the particles obtained by the extruder to obtain particles, and performing injection molding to obtain a required workpiece;
(4) performing alkali washing on the workpiece, and then putting the workpiece substrate subjected to alkali washing into a mixed acid solution of hydrochloric acid and sulfuric acid for soaking and acid etching;
(5) and (4) placing the acid-etched workpiece into electroplating liquid for electroplating to obtain an electroplating composite product.
Example 2
(1) Weighing the following raw materials in parts by weight: 70% of crystalline polymer material nylon, 29% of calcium carbonate, and 1% of antioxidant composed of hindered bisphenol compound and hindered monophenol compound;
(2) putting the weighed raw materials into a mixing machine for mixing to obtain a mixed material, putting the mixed material into a double-screw extruder to extrude and granulate by the extruder, and obtaining particles which are the composite material capable of being electroplated;
(3) extruding and granulating the granules by an extruder to obtain particles, and performing injection molding to obtain a workpiece;
(4) performing alkali washing on the workpiece, and then soaking the workpiece subjected to alkali washing in a mixed acid solution of hydrochloric acid, oxalic acid and nitric acid for acid etching;
(5) and (4) placing the acid-etched workpiece into electroplating liquid for electroplating to obtain an electroplating composite product.
Example 3
(1) Weighing the following raw materials in parts by weight: 46% of crystalline polymer material polyphenylene sulfide, 8% of calcium carbonate, 1% of antioxidant composed of hindered bisphenol compound, hindered monophenol compound and hindered polyphenol compound, and 45% of glass fiber;
(2) putting the raw materials of the glass fiber into a mixer for mixing to obtain a mixed material, putting the mixed material into a main feeding port of a double-screw extruder, and putting the glass fiber into a side feeding port of the double-screw extruder to extrude and granulate the glass fiber by the extruder to obtain particles, namely the electroplatable composite material;
(3) extruding and granulating the granules by an extruder to obtain particles, and performing injection molding to obtain a required workpiece;
(4) performing alkali washing on the workpiece, and then soaking the workpiece subjected to alkali washing in a mixed acid solution of hydrochloric acid, sulfuric acid and hydrofluoric acid for acid etching;
(5) and (4) placing the acid-etched workpiece into electroplating liquid for electroplating to obtain an electroplating composite product.
Example 4
(1) Weighing the following raw materials in parts by weight: 70% of crystalline high molecular material polyphenylene sulfide, 29% of calcium carbonate, and 1% of antioxidant composed of hindered bisphenol compound and phosphite ester compound;
(2) putting the weighed raw materials into a mixing machine for mixing to obtain a mixed material, putting the mixed material into a double-screw extruder to extrude and granulate by the extruder, and obtaining particles which are the composite material capable of being electroplated;
(3) extruding and granulating the granules by an extruder to obtain particles, and performing injection molding to obtain a required workpiece;
(4) performing alkali washing on the workpiece, and then soaking the workpiece subjected to alkali washing in a mixed acid solution of hydrochloric acid and oxalic acid for acid etching;
(5) and (4) placing the acid-etched workpiece into electroplating liquid for electroplating to obtain an electroplating composite product.
Example 5
(1) Weighing the following raw materials in parts by weight: 70.2 percent of crystalline high polymer material polypropylene, 29 percent of calcium carbonate, 0.3 percent of antioxidant composed of hindered bisphenol compound and phosphite ester compound, and 0.5 percent of lubricant pentaerythritol stearate;
(2) putting the weighed raw materials into a mixing machine for mixing to obtain a mixed material, putting the mixed material into a double-screw extruder to extrude and granulate by the extruder, and obtaining particles which are the composite material capable of being electroplated;
(3) extruding and granulating the granules by an extruder to obtain particles, and performing injection molding to obtain a required workpiece;
(4) performing alkali washing on the workpiece, and then soaking the workpiece subjected to alkali washing in a mixed acid solution of nitric acid and sulfuric acid for acid etching;
(5) and (4) placing the acid-etched workpiece into electroplating solution for electroplating to obtain the electroplating composite material.
Example 6
(1) Weighing the following raw materials in parts by weight: 46% of crystalline high polymer material polypropylene, 8% of calcium carbonate, 1% of antioxidant consisting of hindered bisphenol compound and hindered polyphenol compound, 45% of glass fiber and 1% of lubricant pentaerythritol stearate;
(2) putting the raw materials of the glass fiber into a mixer for mixing to obtain a mixed material, putting the mixed material into a main feeding port of a double-screw extruder, and putting the glass fiber into a side feeding port of the double-screw extruder to extrude and granulate the glass fiber by the extruder to obtain particles, namely the electroplatable composite material;
(3) extruding and granulating the granules by an extruder to obtain particles, and performing injection molding to obtain a required workpiece;
(4) performing alkali washing on the workpiece, and then soaking the workpiece subjected to alkali washing in a mixed acid solution of hydrochloric acid and sulfuric acid for acid etching;
(5) and (4) placing the acid-etched workpiece into electroplating liquid for electroplating to obtain an electroplating composite product.
Example 7
(1) Weighing the following raw materials in parts by weight: 82.5% of non-crystalline high polymer material polycarbonate, 8% of non-crystalline high polymer material acrylate, 8% of calcium carbonate, 1% of antioxidant consisting of hindered bisphenol compound and phosphite ester compound, and 0.5% of lubricant pentaerythritol stearate;
(2) putting the weighed raw materials into a mixing machine for mixing to obtain a mixed material, putting the mixed material into a double-screw extruder to extrude and granulate by the extruder, and obtaining particles which are the composite material capable of being electroplated;
(3) extruding and granulating the granules by an extruder to obtain particles, and performing injection molding to obtain a required workpiece;
(4) performing alkali washing on the workpiece, and then soaking the workpiece subjected to alkali washing in a mixed acid solution of hydrochloric acid and sulfuric acid for acid etching;
(5) and (4) placing the acid-etched workpiece into electroplating liquid for electroplating to obtain an electroplating composite product.
Example 8
(1) Weighing the following raw materials in parts by weight: 54.5% of non-crystalline high polymer material polycarbonate, 14.5% of non-crystalline high polymer material acrylate, 28.5% of calcium carbonate, 1% of antioxidant consisting of phosphite ester compounds and 1.5% of lubricant pentaerythritol stearate;
(2) putting the weighed raw materials into a mixing machine for mixing to obtain a mixed material, putting the mixed material into a double-screw extruder to extrude and granulate by the extruder, and obtaining particles which are the composite material capable of being electroplated;
(3) extruding and granulating the granules by an extruder to obtain particles, and performing injection molding to obtain a required workpiece;
(4) performing alkali washing on the workpiece, and then soaking the workpiece subjected to alkali washing in a mixed acid solution of hydrochloric acid and sulfuric acid for acid etching;
(5) and (4) placing the acid-etched workpiece into electroplating liquid for electroplating to obtain an electroplating composite product.
The invention also provides comparative examples
Comparative example 1
(1) Weighing the following raw materials in parts by weight: 45% of crystalline high polymer material nylon, 44% of hindered bisphenol 1 and glass fiber;
(2) putting the raw materials of the glass fiber into a mixer for mixing to obtain a mixed material, putting the mixed material into a main feeding port of a double-screw extruder, and putting the glass fiber into a side feeding port of the double-screw extruder to extrude and granulate the glass fiber by the extruder to obtain particles, namely the composite material;
(3) extruding and granulating the granules by an extruder to obtain particles, and performing injection molding to obtain a required workpiece;
(4) performing alkali washing on the workpiece, and then soaking the workpiece subjected to alkali washing in a mixed acid solution of hydrochloric acid and sulfuric acid for acid etching;
(5) and putting the acid-etched workpiece into electroplating solution for electroplating.
Comparative example 2
(1) Weighing the following raw materials in parts by weight: 1% of antioxidant composed of crystalline polymer material polyphenylene sulfide 46%, hindered bisphenol compound and hindered monophenol compound, and 43% of glass fiber;
(2) putting the raw materials of the glass fiber into a mixer for mixing to obtain a mixed material, putting the mixed material into a main feeding port of a double-screw extruder, and putting the glass fiber into a side feeding port of the double-screw extruder to extrude and granulate the glass fiber by the extruder to obtain particles, namely the composite material;
(3) extruding and granulating the granules by an extruder to obtain particles, and performing injection molding to obtain a required workpiece;
(4) performing alkali washing on the workpiece, and then soaking the workpiece subjected to alkali washing in a mixed acid solution of hydrochloric acid and oxalic acid for acid etching;
(5) and putting the acid-etched workpiece into electroplating solution for electroplating.
Comparative example 3
(1) Weighing the following raw materials in parts by weight: 47% of crystalline high polymer material polypropylene, 1% of antioxidant consisting of hindered bisphenol compound and hindered polyphenol compound, and 42% of glass fiber;
(2) putting the raw materials of the glass fiber into a mixer for mixing to obtain a mixed material, putting the mixed material into a main feeding port of a double-screw extruder, and putting the glass fiber into a side feeding port of the double-screw extruder to extrude and granulate the glass fiber by the extruder to obtain particles, namely the composite material;
(3) extruding and granulating the granules by an extruder to obtain particles, and performing injection molding to obtain a required workpiece;
(4) performing alkali washing on the workpiece, and then soaking the workpiece subjected to alkali washing in a mixed acid solution of hydrochloric acid and sulfuric acid for acid etching;
(5) and putting the acid-etched workpiece into electroplating solution for electroplating.
Comparative example 4
Weighing the following raw materials in parts by weight: 99% of non-crystalline high polymer material polycarbonate, and 1% of antioxidant consisting of hindered bisphenol compound and hindered monophenol compound;
(2) putting the weighed raw materials into a mixer for mixing to obtain a mixed material, and putting the mixed material into a double-screw extruder to extrude and granulate by the extruder to obtain particles, namely the composite material;
(3) extruding and granulating the granules by an extruder to obtain particles, and performing injection molding to obtain a required workpiece;
(4) performing alkali washing on the workpiece, and then soaking the workpiece subjected to alkali washing in a mixed acid solution of hydrochloric acid and oxalic acid for acid etching;
(5) and putting the acid-etched workpiece into electroplating solution for electroplating.
By collecting the results of the above examples, the composite material formed by adding calcium carbonate to the polymer material could be plated, while the composite material formed by not adding calcium carbonate to the polymer material could not be plated, and the specific results are shown in Table-1. Meanwhile, when the electroplating of the composite material is carried out in each embodiment, at least one of hydrochloric acid, oxalic acid, nitric acid, phosphoric acid, sulfuric acid and hydrofluoric acid is adopted for carrying out acid etching, and chromic acid is not required for carrying out acid etching on the composite material, so that chromium pollution is avoided.
Further, after the composite material has the characteristic of electroplate ability, the composite material has more excellent performance after being tested by the examples, and the performance parameters of the composite material obtained by the examples are shown in the table-2.
TABLE-1
TABLE-2
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalents and equivalent flow changes made by using the contents of the present specification, or applied directly or indirectly to other related technical fields are also included in the scope of the present invention.
Claims (10)
1. An electroplatable composite material, wherein the electroplatable composite material comprises the following components by weight:
41-92% of high polymer material, 8-29% of calcium carbonate, 0.1-1% of antioxidant, 0-45% of glass fiber and 0-1.5% of lubricant, wherein the high polymer material comprises crystalline high polymer material and non-crystalline high polymer material.
2. The electroplatable composite material according to claim 1, wherein the polymeric material comprises a crystalline polymeric material, the electroplatable composite material comprising, by weight:
41-92% of crystalline polymer material, 8-29% of calcium carbonate, 0.1-1% of antioxidant, 0-45% of glass fiber and 0-1% of lubricant.
3. The electroplatable composite material according to claim 2, wherein the electroplatable composite material comprises the following components by weight:
45-70% of crystalline polymer material, 8-29% of calcium carbonate, 0.3-1% of antioxidant and 0-45% of glass fiber.
4. The electroplatable composite material according to any one of claims 1-3, wherein the crystalline polymeric material comprises nylon, polyphenylene sulfide, polypropylene, polyacetal resin or polyethylene thermoplastic polyester.
5. The electroplatable composite material according to claim 1, wherein the polymeric material comprises a non-crystalline polymeric material, the electroplatable composite material comprising, by weight:
70-92% of non-crystalline polymer material, 8-29% of calcium carbonate, 0.1-1% of antioxidant and 0.5-1.5% of lubricant.
6. The electroplatable composite material according to claim 1 or 5, wherein the non-crystalline polymeric material comprises at least one of polycarbonate, polyether, polysulfone, acrylate, polyvinyl chloride and polystyrene.
7. An electroplated composite material comprising a substrate formed from the electroplatable composite material of any one of claims 1 to 6 and a metal layer on a surface of the substrate.
8. A method of making an electroplatable composite material, the method comprising the steps of:
weighing the following raw materials in parts by weight: 41-92% of high polymer material, 8-29% of calcium carbonate, 0.1-1% of antioxidant, 0-45% of glass fiber and 0-1.5% of lubricant, wherein the high polymer material comprises crystalline high polymer material and non-crystalline high polymer material;
and putting the weighed raw materials into a mixer for mixing to obtain a mixed material, and putting the mixed material into an extruder for extrusion granulation to obtain the electroplatable composite material.
9. The method of preparing an electroplatable composite material according to claim 8, wherein the step of feeding the weighed raw materials into a mixer for mixing to obtain a mixed material, and feeding the mixed material into an extruder for extrusion granulation comprises:
putting the other raw materials except the glass fiber into a mixer for mixing to obtain a mixed material;
and feeding the mixed material into a main feeding port of a double-screw extruder, and feeding the glass fiber into a side feeding port of the double-screw extruder, so that the double-screw extruder performs extrusion granulation.
10. The method of preparing an electroplatable composite material according to claim 8, wherein said step of feeding said batch material into an extruder for extrusion granulation further comprises:
performing injection molding on the electroplatable composite material to obtain a workpiece, performing alkaline washing on the workpiece, and performing acid etching on the workpiece after the alkaline washing, wherein acid adopted in the acid etching is at least one of hydrochloric acid, oxalic acid, nitric acid, phosphoric acid, sulfuric acid and hydrofluoric acid;
and (4) placing the acid-etched workpiece into electroplating liquid for electroplating to obtain an electroplating composite product.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115057961A (en) * | 2022-01-04 | 2022-09-16 | 浙江新力新材料股份有限公司 | Hyperbranched polymer and preparation method and application thereof |
| CN115057961B (en) * | 2022-01-04 | 2024-01-26 | 浙江新力新材料股份有限公司 | Hyperbranched polymer and preparation method and application thereof |
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