CN102337038A - Plastic composition, application thereof and selective plastic surface metalizing method - Google Patents
Plastic composition, application thereof and selective plastic surface metalizing method Download PDFInfo
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Abstract
The invention provides a plastic composition, which comprises a plastic substrate component and a catalyst component, wherein the catalyst component is selected from one or more than two of oxides of metal elements listed in lines 9, 10 and 11 in the periodic table of elements except copper, silicates, borates and oxalates of metal elements listed in lines 9, 10 and 11 in the periodic table of elements, a hydrogenation catalyst containing metal elements listed in lines 9, 10 and 11 in the periodic table of elements and an ABO2 compound oxide having a delafossite structure; A is selected from one of metal elements listed in lines 9, 10 and 11 in the periodic table of elements; B is Ni, Mn, Cr, Al or Fe; and A is different from B. The invention further relates to application of the plastic composition to selective plastic surface metalizing. The invention further provides a selective plastic surface metalizing method. Due to the adoption of the method, a circuit can be further formed easily.
Description
Related application
The application is that application number is 200910261216.2, the applying date is on December 17th, 2009, denomination of invention is divided an application for the Chinese invention patent application of " method of plastics composite and application thereof and selective metallization of plastic surface ".
Technical field
The present invention relates to the method for a kind of plastics composite and application in selective metallization of plastic surface and selective metallization of plastic surface.
Background technology
Directly form the technology of stereo circuit on the moulding surface; Can functions such as the support of the function of the electric interconnection function of common circuit card, supporting components and parts and plastic component, protection be implemented on the device, form spatial, integrate the circuit carrier of dynamo-electric function.This type technology is the shape that is fit to of design alternative as required, can realize multi-functionally, can reduce and level is installed, is reduced component number, is applied in fields such as automobile, industry, computingmachine, communications at present.
It is an important link of stereo circuit technology that frosting optionally metallizes.Metallization of plastic surface is produced circuit has a lot of methods; US5599592A adds a kind of MOX in the polymer materials; The pattern that needs with the infrared laser activation then will produce metal core at the position that is activated, and these metal core are as the catalyzer of subsequent chemistry plating.But also there are some problems in this method, the one, and the MOX Sb that adds among the embodiment
2O
3Be a kind of carcinogenic substance and the use that is under an embargo, except Sb
2O
3In addition, can be considerably less by infrared reductive MOX; In addition, the document is also mentioned after metallization, need thermal treatment that metal level is diffused in the plastics and could improve the bonding force between metal level and the plastic substrate better, but metal level can the ground diffusion of much degree be a problem.
US2003031803A1 has also reported with metal oxide particle such as ZnO, TiO
2, ZrO
2, Al
2O
3, CeO
2On the surface that is coated on matrix, use the UV laser radiation then, then copper-plated again technology.Wherein the top speed that moves of UV is 100mm/s, and the generation of pattern is not had selectivity.
US2004/0241422A1 and US7060421 have also reported the inorganic powder that in plastic substrate, adds spinel structure; These mineral compound contain elements such as copper, nickel, cobalt, chromium, iron, use Ultra-Violet Laser (wavelength is 248nm, 308nm, 355nm, 532nm) and infrared laser (wavelength is 1064nm and 10600nm) to carry out activation then.Mention oxide compound in the above-mentioned document especially and can under lasing, restore metal simple-substance, metal simple-substance as nucleus, is induced the electroless plating metal, form metal level with spinel structure.This realization process needs strict process control, need the higher laser energy of irradiation could the oxide compound of spinel structure be reduced to metal simple-substance, thereby obtain the effect of inducing the electroless plating metal of expection, to the requirement of equipment and technology all than higher.
Summary of the invention
The technical problem that the present invention will solve provides a kind of new plastics composite and the method for selective metallization of plastic surface, use this method after, can further easily form circuit.
The invention provides a kind of plastics composite; This plastics composite contains plastic basis material component and catalyst component; Wherein, Said catalyst component is the periodic table of elements the 9th, 10 and the oxide compound of 11 row metallic elements that is selected from beyond the copper removal, and silicate, borate and the oxalate of the periodic table of elements the 9th, 10 and 11 row metallic elements contain the hydrogenation catalyst of the periodic table of elements the 9th, 10 and 11 row metallic elements and the ABO with delafossite structure
2In the type composite oxides one or more, said hydrogenation catalyst becomes the catalyzer of alcohol for making the aldehyde, ketone, lipid acid or the fatty ester hydrogenation that contain carbonyl; Said A is a kind of for being selected from the periodic table of elements the 9th, 10 and the 11 row metallic elements, and B is Ni, Mn, Cr, Al or Fe, and A is different with B.
The invention still further relates to the application of plastics composite provided by the invention in selective metallization of plastic surface.
The present invention also provides a kind of method of selective metallization of plastic surface, and this method comprises: plastics composite provided by the invention is mixed and injection moulding, obtain plastic sample; Through the irradiation energy line said plastic sample is carried out etching, expose the catalyst component particle so that the partly plastic gasification is peeled off; Carry out electroless copper to exposing catalyst component particulate plastic sample.
The present invention is owing to selected the component that is different from prior art for use; Use catalyst component of the present invention can directly promote electroless copper; Need the metallic element in the catalyst component be reduced to this complicated and uppity process of simple substance through induced with laser; Thereby widened the scope of operable energy line, more easily the stability of CONTROL PROCESS.And the shape of the chemical plating metal that easily obtains on the plastic sample surface wanting of the shape through control irradiation energy line, promptly can easily obtain the circuit that needs on the plastic sample surface.
In addition; Can find out from the data of table 1 of the present invention and table 2; Utilize the method for selective metallization of plastic surface of the present invention; Employed in the present invention catalyst component particulate promotes down, the electroless copper speed on the plastic sample surface of shining energy line up to the 1-9 micron/hour, chemical nickel plating speed up to the 1-8 micron/hour.
Embodiment
The invention provides a kind of plastics composite; This plastics composite contains plastic basis material component and catalyst component; Wherein, Said catalyst component is the periodic table of elements the 9th, 10 and the oxide compound of 11 row metallic elements that is selected from beyond the copper removal, and silicate, borate and the oxalate of the periodic table of elements the 9th, 10 and 11 row metallic elements contain the hydrogenation catalyst of the periodic table of elements the 9th, 10 and 11 row metallic elements and the ABO with delafossite structure
2In the type composite oxides one or more, said hydrogenation catalyst becomes the catalyzer of alcohol for making the aldehyde, ketone, lipid acid or the fatty ester hydrogenation that contain carbonyl; Said A is a kind of for being selected from the periodic table of elements the 9th, 10 and the 11 row metallic elements, and B is Ni, Mn, Cr, Al or Fe, and A is different with B.
Consider from promoting electroless copper and nickel plating effect aspect; Under the preferable case; Said catalyst component is the periodic table of elements the 10th and the oxide compound of 11 row metallic elements that is selected from beyond the copper removal; The silicate of the periodic table of elements the 10th and 11 row metallic elements, borate and oxalate contain the hydrogenation catalyst of the periodic table of elements the 10th and 11 row metallic elements and the ABO with delafossite structure
2In the type composite oxides one or more, said A is a kind of for being selected from the periodic table of elements the 10th and the 11 row metallic elements, and B is Ni, Mn, Al or Fe, and A is different with B.
Wherein, in the periodic table of elements the 9th, 10 beyond said copper removal and the oxide compound of 11 row metallic elements, the metallic element of the periodic table of elements the 9th, 10 and 11 row can be Co, Rh, Pt, Ni, Pd, Pt, Ag or Au; As stated, consider, be preferably the oxide compound of the metallic element that the periodic table of elements the 10th and 11 beyond the copper removal is listed as, promptly be preferably the oxide compound of Ni, Pd, Pt, Ag or Au from the catalytic effect aspect; Because Pd, Pt, Ag and Au are precious metal, be of little use, more preferably than the oxide compound of cheap Ni, that is to say that therefore commonly used is the oxide compound of Ni or Co, wherein the oxide compound of preferred Ni.Therefore, specifically, the periodic table of elements the 9th, 10 beyond the common said copper removal and the oxide compound of 11 row metallic elements can comprise Ni
2O
3, Co
2O
3And CoO, be preferably Ni
2O
3
Silicate, borate and the oxalate of the said periodic table of elements the 9th, 10 and 11 row metallic elements is the salt of the metals ion that in the process of processing plastic, can not dissociate; In silicate, borate and the oxalate of the said periodic table of elements the 9th, 10 and 11 row metallic elements, the metallic element of the periodic table of elements the 9th, 10 and 11 row can be Co, Rh, Pt, Ni, Pd, Pt, Cu, Ag or Au; As stated, consider, be preferably silicate, borate and the oxalate of the metallic element of the periodic table of elements the 10th and 11 row, promptly be preferably silicate, borate and the oxalate of Ni, Pd, Pt, Cu, Ag or Au from the catalytic effect aspect; Because Pd, Pt, Ag and Au are precious metal; Be of little use, therefore more preferably cheap Ni and silicate, borate and the oxalate of Cu that is to say; Commonly used is silicate, borate and the oxalate of Co, Ni and Cu, silicate, borate and the oxalate of wherein preferred Ni and Cu.Therefore, specifically, the common said periodic table of elements the 9th, 10 and silicate, borate and the oxalate of 11 row metallic elements can comprise CuSiO
3, NiSiO
3, CoSiO
3CuB
2O
4, Cu
3B
2O
6, NiB
2O
4, Ni
3B
2O
6NiC
2O
4, CuC
2O
4, CoC
2O
4
As stated; Said hydrogenation catalyst becomes the catalyzer of alcohol for making the aldehyde, ketone, lipid acid or the fatty ester hydrogenation that contain carbonyl; The object lesson of the such hydrogenation catalyst among the present invention has: Cu-Zn, Cu-Zn-Ni, Cu-Zn-Co, Cu-Zn-Ga, Co-La, Cu-Cd and Cu-Zn-Si series hydrocatalyst, these hydrogenation catalysts can be commercially available.Wherein, in Cu-Zn, in oxide compound, the ratio of the amount of substance of Cu and Zn can be 8: 1～4: 1; In Cu-Zn-Ni, in oxide compound, the ratio of the amount of substance of Cu, Zn and Ni can be (8-20): 1: (1-2); In Cu-Zn-Co, in oxide compound, the ratio of the amount of substance of Cu, Zn and Co can be (4-8): 1: (1-2); In Cu-Zn-Ga, in oxide compound, the ratio of the amount of substance of Cu, Zn and Ga can be (4-8): 1: (1-2); In Co-La, in oxide compound, the ratio of the amount of substance of Co and La can be 8: 1～4: 1; In Cu-Cd, in oxide compound, the ratio of the amount of substance of Cu and Cd can be 8: 1～4: 1; In Cu-Zn-Si, in oxide compound, the ratio of the amount of substance of Cu, Zn and Si can be (4-8): 1: 1.
Said ABO with delafossite structure
2A can think Co, Rh, Pt, Ni, Pd, Pt, Cu, Ag or Au for being selected from the periodic table of elements the 9th, 10 and 11 row metallic elements in the type composite oxides; Consider from the catalytic effect aspect, be preferably the metallic element that is selected from the periodic table of elements the 10th and 11 row, promptly be preferably Ni, Pd, Pt, Cu, Ag or Au; Because Pd, Pt, Ag and Au are precious metal, be of little use, therefore more preferably cheap Ni and Cu that is to say that as A, that commonly used is Ni, Cu or Co, wherein preferred Ni and Cu; B can be Ni, Mn, Cr, Al or Fe, and A is different with B, and the present invention does not preferably contain the catalyzer that environment is had the Cr element of pollution.Therefore, specifically, said ABO commonly used with delafossite structure
2The type composite oxides can comprise MNiO
2, MMnO
2, MCrO
2, MAlO
2And MFeO
2, M can be Cu, Ni or Co.
The present invention has no particular limits the plastic basis material component contained in the said plastics composite and the content of catalyst component; As long as can realize goal of the invention; Can make acquisition promote the effect of electroless copper and nickel plating preferably as long as that is to say the content of catalyst component; But consider from the aspect of the effect that obtains good promotion electroless copper and save catalyst consumption; Preferably in said plastics composite, with respect to the catalyst component of 100 weight parts, said plastic basis material components contents is the 1000-10000 weight part.
Among the present invention, said catalyst component can be particulate state, and the present invention has no particular limits the size of granules of catalyst; But from principle, in certain scope, particle is more little; Then catalytic effect is good more; Therefore this particulate average particle diameter is preferably and is not more than 100 microns, and more preferably 10 nanometers to 1 micron further are 10 nanometer to 100 nanometers.
Said plastic basis material component can be known plastic basis material component, for example can be thermoplastic resin or thermosetting resin.
Wherein, said thermoplastics can be for being selected from polyolefine, polycarbonate (PC), polyester, polymeric amide, polyarylether, polyester-imide, polycarbonate/(acrylonitrile-butadiene-styrene (ABS)) alloy (PC/ABS), ppe (PPO), polyphenylene sulfide (PPS), polyimide (PI), polysulfones (PSU), polyetheretherketone (PEEK), polybenzimidazole (PBI) and the liquid crystalline polymers (LCP) one or more.Wherein, " alloy " in said polycarbonate/(acrylonitrile-butadiene-styrene (ABS)) alloy is not general metal alloy but polymer alloy; Polymer alloy generally is meant two or more mixture of polymers that obtains after polymkeric substance is handled through physical methods such as blend, and said polycarbonate/(acrylonitrile-butadiene-styrene (ABS)) alloy is meant the mixture of polycarbonate and acrylonitrile-butadiene-styrene (ABS).Said liquid crystalline polymers is a kind ofly to be made up of the stiff molecule chain, and the flowability that existing liquid under certain physical condition, can occur has the crystalline physicals anisotropic states polymer substance of (this state is called mesomorphism) again.Particularly, said polyolefine can be for being selected from PS (PS), Vestolen PP 7052 (PP), polymethylmethacrylate and gathering in (acrylonitrile-butadiene-styrene (ABS)) one or more; Said polyester can be for being selected from the poly terephthalic acid hexanaphthene in diformazan alcohol ester (PCT), PDAIP (PDAIP), poly terephthalic acid diallyl (PDAP), PBN (PBN), polyethylene terephthalate (PET) and the polybutylene terephthalate (PBT) one or more; Said polymeric amide can be for being selected from polyhexamethylene adipamide (PA-66); Gather azelaoyl nonanedioyl hexanediamine (PA-69); Gather succinyl hexanediamine (PA-64); Nylon 612 (PA-612); Polyhexamethylene sebacamide (PA-610); Nylon 1010 (PA-1010); Nylon 11 (PA-11); Gather lauramide (PA-12); Gather decoylamide (PA-8); Gather 9 aminononanoic acid (PA-9); Polycaprolactam (PA-6); Gather paraphenylene terephthalamide's phenylenediamine (PPTA); Gather 6I hexamethylene isoterephalamide (MXD6); Gather hexamethylene terephthalamide (PA6T) and gather in paraphenylene terephthalamide's nonamethylene diamine (PA9T) one or more.
Said thermosetting resin can be for selecting in resol, urea-formaldehyde resin, melamine formaldehyde resin, epoxy resin, Synolac and the urethane one or more.
In addition, plastic polymer of the present invention can also contain one or more in mineral filler, oxidation inhibitor, photostabilizer and the lubricant.
In said plastics composite, with respect to the catalyst component of 100 weight parts, the content of said mineral filler can be the 10-70 weight part.Gross weight with plastics composite is a benchmark, and the content of said oxidation inhibitor can be 0.01-1 weight %, and the content of said photostabilizer can be 0.01-1 weight %, and the content of said lubricant can be 0.01-1 weight %.
Wherein, said mineral filler can be the physics filler that laser is not played any physics or chemical action, for example, and talcum powder and lime carbonate; Though spun glass is insensitive to laser, add the degree of depth that spun glass can be deepened plastic substrate depression behind the laser activation greatly, help the adhesion of copper in the electroless copper.Said mineral filler can also be the mineral filler that laser is played a role, and for example, White tin oxide especially nano tin dioxide can increase the capacity usage ratio of infrared laser when peeling off frosting; Functional filler also has carbon black, and it also can increase plastics to infrared absorption, increases the extent of exfoliation of plastics.Preferably do not contain the element to environment and human body harmful such as Cr in the said mineral filler.Said mineral filler can also be glass microballon, calcium sulfate, permanent white, titanium oxide, pearlescence, wollastonite, zeyssatite, kaolin, coal dust, potter's clay, mica, kerosene shale ash, pure aluminium silicate, aluminum oxide, thomel, silicon-dioxide or zinc oxide.
Said oxidation inhibitor can improve the antioxidant property of resin combination of the present invention, thereby improves the work-ing life of the product that finally obtains.Said oxidation inhibitor has been conventionally known to one of skill in the art, for example can contain primary antioxidant and auxiliary antioxidant, and the weight ratio of said primary antioxidant and said auxiliary antioxidant can be 1: 1-4.Said primary antioxidant can be hindered phenol type antioxidant; The example of this hindered phenol type antioxidant comprises oxidation inhibitor 1098 and 1010 (oxidation inhibitor that Ciba company produces); Wherein the staple of oxidation inhibitor 1098 is N, N '-two-(3-(3, the 5-di-tert-butyl-hydroxy phenyl) propionyl group) hexanediamine; The staple of antioxidant 1010 is four [3-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] tetramethylolmethane; Said auxiliary antioxidant can be phosphite type oxidation inhibitor, and the example of this phosphite type oxidation inhibitor has oxidation inhibitor 168 (oxidation inhibitor that Ciba company produces), and its staple is three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester.The oxidation inhibitor that the present invention preferably adopts is for as the antioxidant 1010 of primary antioxidant with as the mixture of the oxidation inhibitor 168 of auxiliary antioxidant.
Said photostabilizer can make the light stability that resin combination of the present invention is provided, thereby improves the work-ing life of the product that finally obtains.Said photostabilizer can be various known photostabilizers, hindered amine type light stabilizer for example, and the example of hindered amine type light stabilizer has two (2,2,6,6-tetramethyl--4-piperidyl) sebates.
Thereby said lubricant can make resin combination have better flowability makes resin combination mix more evenly.Said lubricant can be various known lubricants, for example can be in the copolymerization wax (EVA wax), polyethylene wax (PE wax) and the stearate that are selected from ethylene/vinyl acetate one or more.
The invention still further relates to the application of plastics composite provided by the invention in selective metallization of plastic surface.The shape of the chemical plating metal that the shape through control irradiation energy line easily obtains on the plastic sample surface wanting promptly can easily obtain the circuit that needs on the plastic sample surface.
The present invention also provides a kind of method of selective metallization of plastic surface, and this method comprises: plastics composite provided by the invention is mixed and injection moulding, obtain plastic sample; Through the irradiation energy line said plastic sample is carried out etching, expose the catalyst component particle so that the partly plastic gasification is peeled off; Carry out electroless copper to exposing catalyst component particulate plastic sample.
The present invention has no particular limits the method for injection moulding; Can use the method for conventional injection moulding; For example can be earlier with putting into the forcing machine extruding pelletization in the said plastics composite, and then put into the plastic sample that injection moulding machine is injection molded into the shape that needs and get final product.
Have no particular limits said plastic sample being carried out etched degree among the present invention through the irradiation energy line; Puncture and can expose the catalyst component particle only otherwise with plastic sample and get final product; If the plastics that etch away are thicker; Having part catalyst component particle to fall down does not influence realization the object of the invention yet, will fall to clean out at the lip-deep particle of plastic sample to get final product.
Said energy line can obtain through various known approach, preferably obtains laser through laser apparatus, obtains energy line thereby pass through irradiating laser; Said Wavelength of Laser is 157 nanometers to 10.6 micron, and sweep velocity is the 500-8000 mm/second, and step-length is the 3-9 micron; Time-delay is the 30-100 microsecond; Frequency is the 30-40 kilohertz, and power is 3-4 watt, and filling spacing is the 10-50 micron.The thickness of general plastic sample is 1 micron at least; Through shining such laser; The thickness of the plastics that generally etch away is several microns to tens microns; Thereby make the catalyst component particle in the plastic sample come out, plastic sample forms on the microcosmic to having the rough surface structure in rugged space.When follow-up electroless copper, copper just is embedded in the hole of uneven surface, thereby and forms very strong bonding force between the plastic sample.
To exposing method that catalyst component particulate plastics carry out electroless copper also for conventionally known to one of skill in the art; For example this method can comprise the plastic sample after the etching is contacted with copper electrolyte; Said copper electrolyte contains mantoquita and reductive agent; The pH value is 12-13, and said reductive agent can be reduced to copper simple substance with cupric ion in the mantoquita, and for example said reductive agent can be in oxoethanoic acid, hydrazine and the inferior sodium phosphate one or more.For example, " sufacing " in December, 2002, the 31st volume the 6th interim basic composition is of disclosing a typical plating bath: CuSO
45H
2O:0.12mol/L, Na
2EDTA2H
2O:0.14mol/L, yellow prussiate of potash: 10mg/L, 2,2 '-dipyridyl: 10mg/L, oxoethanoic acid (HOCCOOH): 0.10mol/L, and with NaOH and H
2SO
4The pH value of regulating plating bath is 12.5-13.In addition, if think behind the electroless copper that copper thickness is not enough, can also carry out electro-coppering.
Under the preferable case, method of the present invention also be included in copper facing finish after again electroless plating one deck nickel prevent that the copper coating surface is oxidized.
Method of the present invention is first electroless plating one deck nickel before electroless copper more preferably, is placed on suction post-etching copper coating in the air to prevent plastics.
The method of chemical nickel plating has been conventionally known to one of skill in the art; For example this method can comprise plastic sample is contacted with nickel-plating liquid, for example, and the consisting of of a typical nickel plating bath: single nickel salt: 23g/l; Inferior sodium phosphate: 18g/l; Lactic acid: 20g/l, oxysuccinic acid: 15g/l, temperature: 85-90 ℃ of PH:5.2 (regulating) with NaOH.Thickness to chemical Ni-plating layer has no particular limits, and covers as long as can plastic substrate be accomplished, so the thickness of nickel coatings is preferably 0.5-1 μ m, need not make nickel coatings too thick.
The present invention will be described in more detail below will to combine embodiment.
Embodiment 1
Present embodiment is used to explain the method for plastics composite of the present invention and selective metallization of plastic surface.
With the average particle diameter of 100g is the Ni of 50 nanometers
2O
3Join in the polycarbonate of 1000g with the talcum powder of 10g, mixed at high speed is even, obtains plastics composite of the present invention, changes it in forcing machine extruding pelletization then, and then changes it over to be injection molded into 2 mm thick in the injection moulding machine plastic sample.Plastic sample is placed on the laser apparatus sample table, with laser focusing, the moving of computer program control bundle or sample table; Used laser apparatus is the YLP-20 of a big nation type laser apparatus, and laser parameter is: wavelength 1064nm, sweep velocity 1000mm/s; Step-length 9 μ m, the 30 μ s that delay time, frequency 40KHz; Power 3W fills spacing 50 μ m.Behind the laser ablation, plastic sample is carried out abatement processes, place then to consist of CuSO
45H
2O:0.12mol/L, Na
2EDTA2H
2O:0.14mol/L, yellow prussiate of potash: 10mg/L, 2,2 '-dipyridyl: 10mg/L, oxoethanoic acid (HOCCOOH): in the plating bath of 0.10mol/L, and with NaOH and H
2SO
4The pH value of regulating plating bath is 12.5 to carry out electroless copper, and through testing, copper facing speed is 4 μ m/h.
Embodiment 2
Present embodiment is used to explain the method for plastics composite of the present invention and selective metallization of plastic surface.
With the average particle diameter of 100g is the Co of 100 nanometers
2O
3Join among the PC of 5000g with the spun glass of 30g, mixed at high speed is even, obtains plastics composite of the present invention, changes it in forcing machine extruding pelletization then, and then changes it over to be injection molded into 2 mm thick in the injection moulding machine plastic sample.Plastic sample is placed on the laser apparatus sample table, with laser focusing, the moving of computer program control bundle or sample table; Used laser apparatus is the YLP-20 of a big nation type laser apparatus, and laser parameter is: wavelength 300nm, sweep velocity 5000mm/s; Step-length 3 μ m, the 60 μ s that delay time, frequency 40KHz; Power 3W fills spacing 30 μ m.Behind the laser ablation, plastic sample is carried out abatement processes, place then to consist of CuSO
45H
2O:0.12mol/L, Na
2EDTA2H
2O:0.14mol/L, yellow prussiate of potash: 10mg/L, 2,2 '-dipyridyl: 10mg/L, oxoethanoic acid (HOCCOOH): in the plating bath of 0.10mol/L, and with NaOH and H
2SO
4The pH value of regulating plating bath is 13 to carry out electroless copper, and through testing, copper facing speed is 2 μ m/h.
Embodiment 3
Present embodiment is used to explain the method for plastics composite of the present invention and selective metallization of plastic surface.
With the average particle diameter of 100g is the CuSiO of 500 nanometers
3Join in the 10000g polyethylene terephthalate with the kaolin of 70g; Mixed at high speed is even; Obtain plastics composite of the present invention, change it in forcing machine extruding pelletization then, and then change it over to be injection molded into 2 mm thick in the injection moulding machine plastic sample.Plastic sample is placed on the laser apparatus sample table, with laser focusing, the moving of computer program control bundle or sample table; Used laser apparatus is the YLP-20 of a big nation type laser apparatus, and laser parameter is: wavelength 10600nm, sweep velocity 8000mm/s; Step-length 6 μ m, the 100 μ s that delay time, frequency 30KHz; Power 4W fills spacing 40 μ m.Behind the laser ablation, plastic sample is carried out abatement processes, place then to consist of CuSO
45H
2O:0.12mol/L, Na
2EDTA2H
2O:0.14mol/L, yellow prussiate of potash: 10mg/L, 2,2 '-dipyridyl: 10mg/L, oxoethanoic acid (HOCCOOH): in the plating bath of 0.10mol/L, and with NaOH and H
2SO
4The pH value of regulating plating bath is 12.5 to carry out electroless copper, and through testing, copper facing speed is 5 μ m/h.
Embodiment 4-19
Present embodiment is used to explain the method for plastics composite of the present invention and selective metallization of plastic surface.
Adopt embodiment 1 described method to prepare plastics composite and make selective metallization of plastic surface, different is, adopts the catalyst component shown in the table 1 respectively, and measures the copper facing speed of embodiment 4-19 respectively, and the result is as shown in table 1.
Wherein, employed hydrogenation catalyst is self-control and obtains among the embodiment, and the self-control method is according to document: Acta PhySico-Chimica Sinica, and 2004,20 (5): 524-528 and Angew.Chem.Int.Ed.2003,42, the described method of 3815-3817 is carried out.
For example the Cu-Zn hydrogenation catalyst prepares according to the method for being prepared as follows: by Cu: the Zn mol ratio is the mixed nitrate solution of 8: 1 preparation Cu and Zn, and making the total concn of metals ion in the mixed solution is that the total concn of cupric ion and zine ion is 0.25mol/L, with Na
2CO
3Be precipitation agent, Na
2CO
3Concentration be 0.5mol/L, 85 ℃ and stir fast under, and drip adds above-mentioned mixed nitrate solution and Na
2CO
3Solution is controlled pH=6.8～7.0 of solution simultaneously with the rate of addition of two kinds of solution in reaction kettle, the pH value of solution was 7.0. aging 1h under this temperature then when reaction finished; Cooled and filtered is used deionized water wash, drains; And, just can obtain required Cu-Zn hydrogenation catalyst at 350 ℃ of roasting 4h then 110 ℃ of oven dry, through detecting in the Cu-Zn hydrogenation catalyst that makes; In oxide compound, the ratio of the amount of substance of Cu and Zn is 8.1: 1.
Comparative Examples 1
This Comparative Examples is used to explain the method for existing plastics composite and selective metallization of plastic surface.
Adopt embodiment 1 described method to prepare plastics composite and make selective metallization of plastic surface, different is, adopts the catalyst component shown in the table 1 respectively, and measures the copper facing speed of Comparative Examples 1, and the result is as shown in table 1.
Table 1
Comparing embodiment 1 can find out that with Comparative Examples 1 under the identical condition of other condition, adopt existing catalyst component ZnO, electroless copper speed is merely 0.05 μ m/h, and uses the preferred Ni of the present invention
2O
3As catalyst component, electroless copper speed is up to 4 μ m/h.
Embodiment 20-38
Present embodiment is used to explain the method for plastics composite of the present invention and selective metallization of plastic surface.
Embodiment 20-38 adopts the described method of embodiment 1-19 to prepare plastics composite and make selective metallization of plastic surface respectively; Different is; To shining the plastic sample of too drastic light; First chemical nickel plating before the electroless copper, and measure the nickel plating speed of embodiment 20-38 respectively, the result is as shown in table 2.The method of chemical nickel plating is described below:
Behind the laser ablation, plastic sample is carried out abatement processes, place then to consist of single nickel salt: 23g/l; Inferior sodium phosphate: 18g/l, lactic acid: 20g/l is in the plating bath of oxysuccinic acid: 15g/l; Using NaOH to regulate pH is 5.2, and bath temperature is 90 ℃, carries out chemical nickel plating.
Comparative Examples 2
This Comparative Examples is used to explain the method for existing plastics composite and selective metallization of plastic surface.
Adopt Comparative Examples 1 described method to prepare plastics composite and make selective metallization of plastic surface, different is, to shining the plastic sample of too drastic light, and first chemical nickel plating before electroless copper, and measure the nickel plating speed of Comparative Examples 2, the result is as shown in table 2.Chemical nickel plating method adopts the method described in the embodiment 20-38 to carry out.
Table 2
Comparing embodiment 20 can find out that with Comparative Examples 2 under the identical condition of other condition, adopt existing catalyst component ZnO, chemical nickel plating speed is merely 0.05 μ m/h, and uses the preferred Ni of the present invention
2O
3As catalyst component, chemical nickel plating speed is up to 3 μ m/h.
Claims (14)
1. plastics composite, this plastics composite contains plastic basis material component and catalyst component, it is characterized in that, and said catalyst component is one or more in the borate of the periodic table of elements the 9th, 10 and 11 row metallic elements.
2. plastics composite according to claim 1, wherein, said catalyst component is one or more in the borate of the periodic table of elements the 10th and 11 row metallic elements.
3. plastics composite according to claim 1, wherein, in said plastics composite, with respect to the catalyst component of 100 weight parts, said plastic basis material components contents is the 1000-10000 weight part.
4. according to claim 1 or 3 described plastics composites, wherein, said catalyst component is a particulate state, and this particulate average particle diameter is not more than 100 microns.
5. plastics composite according to claim 4, wherein, said particulate average particle diameter is 10 nanometers to 1 micron.
6. plastics composite according to claim 5, wherein, said particulate average particle diameter is 10 nanometer to 100 nanometers.
7. according to claim 1 or 3 described plastics composites, wherein, said plastic basis material component is thermoplastic resin or thermosetting resin.
8. plastics composite according to claim 7; Wherein, Said thermoplastic resin is for being selected from polyolefine, polycarbonate, polyester, polymeric amide, polyarylether, polyester-imide, polycarbonate/(acrylonitrile-butadiene-styrene (ABS)) alloy, polyphenylene sulfide, polyimide, polysulfones, polyetheretherketone, polybenzimidazole and the liquid crystalline polymers one or more, and said thermosetting resin is to be selected from resol, urea-formaldehyde resin, melamine formaldehyde resin, epoxy resin, Synolac and the urethane one or more.
9. plastics composite according to claim 1, wherein, said plastics composite also contains one or more in mineral filler, oxidation inhibitor, photostabilizer and the lubricant;
In said plastics composite, with respect to the catalyst component of 100 weight parts, the content of said mineral filler is the 10-70 weight part; Gross weight with plastics composite is a benchmark, and the content of said oxidation inhibitor is 0.01-1 weight %, and the content of said photostabilizer is 0.01-1 weight %, and the content of said lubricant is 0.01-1 weight %;
Said mineral filler is to be selected from spun glass, White tin oxide, glass microballon, lime carbonate, calcium sulfate, permanent white, talcum powder, titanium oxide, pearlescence, wollastonite, zeyssatite, kaolin, coal dust, potter's clay, mica, kerosene shale ash, pure aluminium silicate, aluminum oxide, carbon black, thomel, silicon-dioxide and the zinc oxide one or more;
Said oxidation inhibitor contains primary antioxidant and auxiliary antioxidant, and the weight ratio of said primary antioxidant and said auxiliary antioxidant is 1: 1-4, said primary antioxidant are hindered phenol type antioxidant, and said auxiliary antioxidant is a phosphite type oxidation inhibitor;
Said photostabilizer is a hindered amine type light stabilizer;
Said lubricant is to be selected from copolymerization wax, polyethylene wax and the stearate of ethylene/vinyl acetate one or more.
10. any application of described plastics composite in selective metallization of plastic surface among the claim 1-9.
11. the method for a selective metallization of plastic surface, this method comprises:
Any described plastics composite among the claim 1-9 is mixed and injection moulding, obtain plastic sample;
Through the irradiation energy line said plastic sample is carried out etching, expose the catalyst component particle so that the partly plastic gasification is peeled off;
Carry out electroless copper to exposing catalyst component particulate plastic sample.
12. the method for selective metallization of plastic surface according to claim 11, wherein, said energy line obtains through irradiating laser; Said Wavelength of Laser is 157 nanometers to 10.6 micron, and sweep velocity is the 500-8000 mm/second, and step-length is the 3-9 micron; Time-delay is the 30-100 microsecond; Frequency is the 30-40 kilohertz, and power is 3-4 watt, and filling spacing is the 10-50 micron.
13. the method for selective metallization of plastic surface according to claim 11, wherein, this method also is included in chemical nickel plating behind the electroless copper.
14. according to the method for claim 12 or 13 described selective metallization of plastic surface, wherein, this method also is included in the preceding chemical nickel plating of electroless copper.
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| US20080175986A1 (en) * | 2007-01-24 | 2008-07-24 | Kenneth Crouse | Second surface metallization |
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