CN106893421A - Injection coating composition, Plastic composite body and preparation method thereof - Google Patents
Injection coating composition, Plastic composite body and preparation method thereof Download PDFInfo
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- CN106893421A CN106893421A CN201510960139.5A CN201510960139A CN106893421A CN 106893421 A CN106893421 A CN 106893421A CN 201510960139 A CN201510960139 A CN 201510960139A CN 106893421 A CN106893421 A CN 106893421A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/29—Compounds containing one or more carbon-to-nitrogen double bonds
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/544—Silicon-containing compounds containing nitrogen
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
- B29C2045/14237—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure the inserts being deformed or preformed outside the mould or mould cavity
- B29C2045/14254—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure the inserts being deformed or preformed outside the mould or mould cavity deforming or preforming endless articles outside the mould
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The present invention relates to Plastic composite body field, a kind of high intensity injection coating composition and Plastic composite body for being obtained using the injection coating composition and preparation method thereof are disclosed.Composition of the invention contains resin glue, curing agent A, curing agent B, silane coupler and diluent, wherein, the resin glue is Hydroxylated acrylic resin；The curing agent A is isocyanates curing agent；The curing agent B is one or more in blocked isocyanate class curing agent, amino resins and epoxy resin；The weight ratio of the curing agent A and curing agent B is 1：2-6.The Plastic composite body obtained by using high intensity injection coating composition of the invention has high inter-layer bonding force.
Description
Technical field
Coating composition is used the present invention relates to be molded, the plastics obtained using the injection coating composition
Complex and preparation method thereof.
Background technology
In the prior art, insert injection moulding uses and buckle etc. is made on inserts, passes through after injection
Mechanical bond, makes to be formed between inserts and rear injection moulding plastic and closely combines, it is ensured that therebetween strong
Degree, it is this to be applied to structural member more；Also have technology to use is carried out at fine and closely woven micropore to insert surface in advance
The technology of reason, using the method such as contact area is more, makes to form stronger between post processing plastic cement and metal
Adhesion.Alternatively, it is also possible to pass through the direct bonded metal of glue and plastic cement, or glue adhering glass
And plastic cement.
But, machining buckle has that the process-cycle is long, high cost, and for glass, intensity
Relatively low, frangible problem.
Surface microporeization treatment has that preprocessing process is complicated, micro- in addition because micropore very little
Holeization treatment is narrow to the range of choice of plastic cement, is only limitted to polyphenylene sulfide (PPS), poly terephthalic acid fourth
The high fluidity plastic cement such as diol ester (PBT).
In addition, glue cannot realize bonding, because glue is cured, it is impossible to play bonding effect.
The content of the invention
It is an object of the invention to overcome defect present in above-mentioned prior art, there is provided a kind of high intensity
Injection coating composition and the Plastic composite body and its system that are obtained using the injection coating composition
Preparation Method.The Plastic composite body obtained by using high intensity injection coating composition of the invention is had
There is high inter-layer bonding force.
The first aspect of the present invention, the present invention provides a kind of injection coating composition, the wherein combination
Thing contains resin glue, curing agent A, curing agent B, silane coupler and diluent, wherein, institute
Resin glue is stated for Hydroxylated acrylic resin；The curing agent A is isocyanates curing agent；Institute
Curing agent B is stated for the one kind in blocked isocyanate class curing agent, amino resins and epoxy resin or
It is various；The weight ratio of the curing agent A and curing agent B is 1：2-6.
The second aspect of the present invention, the present invention provides a kind of preparation method of Plastic composite body, wherein,
The method is comprised the following steps：
1) injection coating composition is coated on the surface of metal or glass, and is 50-99 DEG C in temperature
Under the conditions of solidify 20-100 minutes；
2) it is being coated with the surface casting resin composition of coating composition；
3) complex that will be obtained after injection solidifies 30-120 points under conditions of being 100-250 DEG C in temperature
Clock；
Wherein, the injection coating composition is injection coating composition of the invention.
The third aspect of the present invention, is combined the present invention provides through the plastics that the above method is prepared
Body.
The fourth aspect of the present invention, the present invention provides a kind of Plastic composite body, wherein, the plastics are combined
Body is using injection coating composition of the invention as injection coating.
Glass or metal surface are coated on by by high intensity injection coating composition of the invention,
By the solidification of first stage, semi-solid preparation coating can be obtained, this is had the plastic cement of semi-solid preparation coating
It is placed in mould and is molded, good cementation can be played with the plastic cement of rear injection, injection is completed
Afterwards, then second stage solidification is carried out, obtains Plastic composite body.I.e. with high-strength coating realize plastic cement and
The insert injection moulding of glass or glass, it is ensured that Plastic composite body has extremely strong inter-layer bonding force.
Other features and advantages of the present invention will give specifically in subsequent specific embodiment part
It is bright.
Specific embodiment
Specific embodiment of the invention is described in detail below.It should be appreciated that this place
The specific embodiment of description is merely to illustrate and explain the present invention, and is not intended to limit the invention.
The injection coating composition that the present invention is provided contains resin glue, curing agent A, solid
Agent B, silane coupler and diluent, wherein, the resin glue is Hydroxylated acrylic resin；
The curing agent A is isocyanates curing agent；The curing agent B is solid for blocked isocyanate class
One or more in agent, amino resins and epoxy resin；The curing agent A's and curing agent B
Weight ratio is 1：2-6.
Can be changed in the larger context as the content of each component in injection coating composition, from
Further improve the intensity of formed coating to consider, it is preferable that relative to described in 100 weight portions
Resin glue, the consumption of the curing agent A is 0.5-10 weight portions, the consumption of the curing agent B
It is 2-30 weight portions, the consumption of the silane coupler is 0.5-5 weight portions, the consumption of the diluent
It is 20-300 weight portions；It is highly preferred that relative to the resin glue of 100 weight portions, it is described
The consumption of curing agent A is 1-8 weight portions, and the consumption of the curing agent B is 5-22 weight portions, described
The consumption of silane coupler is 1-3 weight portions, and the consumption of the diluent is 30-150 weight portions.
In the present invention, by using above-mentioned specific curing agent A and curing agent B, can be sent out by this
When bright high intensity injection coating composition is coated on glass or metal surface, by the first stage
Solidification, curing agent A reacts with Hydroxylated acrylic resin, and curing agent B is with Hydroxylated acrylic resin not
Reaction, the semi-solid preparation coating being consequently formed, it is ensured that coating is strong with the Coating combination of rear injection moulding plastic
Degree；And passing through the solidification of second stage, curing agent A, curing agent B are with resin and the product of first stage
Concerted reaction, forms the Plastic composite body of high intensity.
In the present invention, the isocyanates curing agent is preferably toluene di-isocyanate(TDI), diphenyl-methane
Diisocyanate, poly methylene poly phenyl poly isocyanate, hexamethylene diisocyanate, phenylenedimethylidyne two are different
Cyanate, tetramethylxylylene diisocyanate, dicyclohexyl methyl hydride diisocyanate, different Fo Er
Ketone diisocyanate, trimethyl hexamethylene diisocyanate, hexahydrotoluene diisocyanate and toluene styrene are different
One or more in cyanate, preferably hexamethylene diisocyanate.
In the present invention, the blocked isocyanate class curing agent is and above-mentioned isocyanates curing agent
Different curing agent, the blocked isocyanate class curing agent is preferably phenol, caprolactam or butanone
One or more in the polyisocyanates of closing；More preferably many isocyanides of caprolactam enclosed type aromatic series
Acid esters.As such blocked isocyanate class curing agent, for example, can be purchased from German Bayer
The RL1265 trades mark.
In the present invention, the amino resins can for example be purchased from Taiwan Changchun by commercially available
Chemical company, the trade mark is BR-167LF.
In the present invention, the epoxy resin can for example be purchased from Shanghai resin by commercially available
Factory, the trade mark is 6380.
In addition, the weight ratio preferably 1 of the curing agent A and curing agent B:2.5-5.5.By in the model
Interior use curing agent A and B are enclosed, the inter-layer bonding force of the Plastic composite body for obtaining can be further improved.
According to the present invention, the silane coupler is various silane couplers commonly used in the art.
Can be enumerated as the silane coupler：Gamma-aminopropyl-triethoxy-silane, γ-methacryloxypropyl
Base propyl trimethoxy silicane, γ-(oxygen of 2,3- epoxies third) propyl trimethoxy silicane, vinyl trimethoxy
One or more in base silane and N- (β-aminoethyl)-γ-aminopropyl trimethoxy silicon.
According to the present invention, the diluent is used to dilute mixed coating liquid, to reach the viscosity of construction,
Preferably butyl acetate, n-butanol, dimethylbenzene, methyl iso-butyl ketone (MIBK), cyclohexanone, ethylene glycol fourth
One or more in ether, ethanol and toluene.More preferably in butyl acetate, n-butanol and dimethylbenzene
One or more.
The present invention also provides a kind of preparation method of Plastic composite body, wherein, the method includes following step
Suddenly：
1) injection coating composition is coated on the surface of metal or glass, and is 50-99 DEG C in temperature
Under the conditions of solidify 20-100 minutes；
2) it is being coated with the surface casting resin composition of coating composition；
3) complex that will be obtained after injection solidifies 30-120 points under conditions of being 100-250 DEG C in temperature
Clock；
Wherein, the injection coating composition is injection coating composition provided by the present invention.
Preferably, the method be additionally included in metal or glass surface coating injection coating composition it
Before, metal or glass are carried out to clean treatment.When clean treatment to metal, the clean treatment can
Think the conventional method of this area, for example, metal can be immersed in the aqueous solution of the NaOH of 60g/L
In 50 seconds, be washed with water it is net after dry.When clean treatment to glass, alcohol or white appliances can be used
The cleaning glass window such as oil surface.
According to the present invention, can be closed for aluminium, aluminium alloy, stainless steel, magnesium or magnalium as the metal
Gold.
According to the present invention, step 1) in, there is no particular limitation for the coating thickness of coating composition, excellent
Selection of land, the coating thickness of coating composition causes the coating after being fully cured for 5-100 μm, preferably
10-40μm。
According to the present invention, step 1) in, condition of cure is preferably：Temperature is 60-80 DEG C, and the time is
30-80min。
According to the present invention, step 3) in, condition of cure is preferably：Temperature is 130-180 DEG C, time
It is 40-100min.
Plastic composite body of the invention, plastics of the invention are formed by casting resin composition
Layer.Can be included but is not limited to as the instantiation of the resin：Polyolefin (such as polystyrene, poly-
Ethene, polyvinyl chloride, polypropylene, polymethyl methacrylate and poly- (acrylonitrile-butadiene-benzene second
Alkene)), makrolon, (such as polycyclohexylene is to diformazan alcohol ester, poly- isophthalic diformazan for polyester
Diallyl phthalate, poly terephthalic acid diallyl, PBN, poly terephthalic acid second
Diol ester and polybutylene terephthalate (PBT)), polyamide (such as polyhexamethylene adipamide, poly- nonanedioyl
Hexamethylene diamine, polybutadiene acyl hexamethylene diamine, nylon 612, polyhexamethylene sebacamide, the poly- last of the ten Heavenly stems
Two acyl decamethylene diamines, nylon 11, poly-lauramide, poly-caprylamide, poly- 9 aminononanoic acid, gather oneself
Lactams, poly-paraphenylene terephthalamide's phenylenediamine, poly-6I hexamethylene isoterephalamide, poly- paraphenylene terephthalamide oneself two
Amine and poly-paraphenylene terephthalamide's nonamethylene diamine), it is polyarylether, PEI, polyphenylene oxide, polyphenylene sulfide, poly-
One or more in acid imide, polysulfones, polyether-ether-ketone and polyurethane.Preferably, the tree
Fat is selected from least one in polyimides, polyphenylene sulfide and polybutylene terephthalate (PBT).
Can be the conventional amount used of this area as content of the above-mentioned resin in resin combination, for example
It is 50-100 weight %, preferably 70-85 weight %.
Plastic composite body of the invention, the resin combination as needed can also be containing at least
A kind of auxiliary agent, such as filler, antioxidant, light stabilizer and lubricant, are obtained with improving resin combination
Resin bed performance or assign resin bed with new performance.The content of the auxiliary agent can be according to it
Species and specifically used requirement carry out appropriate selection, are not particularly limited.
Described filler is preferably capable adjusting the material of resin thermal coefficient of expansion, for example, can be glass
Fiber and/carbon fiber.
The antioxidant can improve the inoxidizability of the plastic products that plastics composite of the invention is obtained
Can, so as to improve the service life of product.The antioxidant can be various for what is commonly used in polymer arts
Antioxidant, for example, can contain primary antioxidant and auxiliary antioxidant.The primary antioxidant is anti-with the auxiliary
Relative usage between oxygen agent can carry out appropriate selection according to species.Usually, the primary antioxidant
Can be 1 with the weight ratio of the auxiliary antioxidant：1-4.The primary antioxidant can be anti-for hindered phenol type
Oxygen agent, its instantiation can include but is not limited to antioxidant 1098 and antioxidant 1010, wherein, resist
The main component of oxygen agent 1098 be N, N '-bis--(3- (3,5- di-tert-butyl-hydroxy phenyls) propiono) oneself two
Amine, the main component of antioxidant 1010 is four [3- (3,5- di-tert-butyl-hydroxy phenyl) propionic acid] Ji Wusi
Alcohol.The auxiliary antioxidant can be phosphite type antioxidant, and its instantiation can include but not limit
In irgasfos 168, its main component is three (2,4- di-tert-butyl-phenyl) phosphite esters.
The light stabilizer can be known various light stabilizers, such as hindered amine type light stabilizer,
Its instantiation can include but is not limited to bis(2,2,6,6-tetramethyl-4-piperidyl)sebacate.
The lubricant can be the material of the various mobility that can improve polymer melt, for example may be used
Think copolymerization wax (EVA waxes) selected from ethylene/vinyl acetate, Tissuemat E (PE waxes) and tristearin
One or more in hydrochlorate.
The content of the auxiliary agent can carry out appropriate selection according to the function of auxiliary agent and species.Typically
Ground, on the basis of the weight of resin combination, the content of described filler can be 30-50 weight %, institute
The content for stating antioxidant can be 0.3-1 weight %, and the content of the light stabilizer can be 0.2-1 weights
Amount %, the content of the lubricant can be 0.1-1 weight %.
The present invention also provides the Plastic composite body prepared by the above method.
The injection coating composition of present invention offer is used to be used as injection additionally, the present invention is also provided
The Plastic composite body of coating.
Below will the present invention will be described in detail by embodiment.
Preparation example 1-3
Solvent is stirred 15 minutes in high speed dispersor with the rotating speed of 500r/min, after being sufficiently mixed,
Add resin glue, curing agent A, curing agent B and coupling agent, and high speed dispersor with
The rotating speed stirring 30min of 1500r/min is sufficiently mixed, and obtains coating material S1-S3.
Wherein, above-mentioned each composition and its consumption are as shown in table 1.
Table 1
In table 1：
Hydroxylated acrylic resin is purchased from Jiangmen painting Co., Ltd., Factory PJ31E-70A；
Isocyanate curing agent N3390 is purchased from German Bayer；
Isocyanate curing agent N75MPA/X is purchased from German Bayer；
Blocked Isocyanate Curing Agents RL1265 (caprolactam enclosed type aromatic polyisocyanate)
It is purchased from German Bayer；
Amino resins BR-167LF is purchased from Taiwan Changchun chemical company；
Epoxy resin is purchased from Shanghai Resin Factory, and the trade mark is 6380；
Coupling agent A1100 is purchased from U.S.'s connection carbon, and its composition is gamma-aminopropyl-triethoxy-silane；
Coupling agent Z-6011 is purchased from U.S.'s gas, and its composition is gamma-aminopropyl-triethoxy-silane.
Preparation example 4
Method according to preparation example 3 is carried out, the weight portion of consumption 2 of curing agent B (curing agent A with it is solid
The weight ratio of agent B is 1:2).Coating material D4 is obtained in the same manner.
Contrast preparation example 1
Method according to preparation example 3 is carried out, the weight portion of consumption 1.5 of curing agent B (curing agent A with it is solid
The weight ratio of agent B is 1:1.5).Coating material C1 is obtained in the same manner.
Contrast preparation example 2
Method according to preparation example 3 is carried out, the weight portion of consumption 6.5 of curing agent B (curing agent A with it is solid
The weight ratio of agent B is 1:6.5).Coating material C2 is obtained in the same manner.
Embodiment 1
(1) at being 40 DEG C in temperature, by stainless steel, (there is the hole of a diameter of 6mm centre, to be bonded
The size of metalwork is：80mm × 16mm × 5mm, its injection-molding surfaces are 16mm × 5mm=80mm2)
It is immersed in the sodium hydrate aqueous solution of 60g/L 50 seconds, is dried after then washing.
(2) applied in stainless steel injection surface applied adhesive in the way of the thickness after solidification is 20 μm
Layer material S1.
(3) product for being coated with coating is positioned in heating furnace, 80 DEG C of baking 30min, is had
There is the stainless steel X1 of first stage solidify coating.
(4) X1 is placed in injection machine, 140 DEG C of mould temperature, injection pressure 150MPa, is molded polyphenyl
Thioether adds glass fiber composite material, and (content of glass fiber is 40 weight %, is purchased from Polyplastics, model
1140T), obtain being molded complex.
(5) injection complex is positioned in heating furnace, 130 DEG C of baking 60min obtain metallo-plastic
Complex A1.
Embodiment 2
(1) at being 40 DEG C in temperature, by stainless steel, (there is the hole of a diameter of 6mm centre, to be bonded
The size of metalwork is：80mm × 16mm × 5mm, its injection-molding surfaces are 16mm × 5mm=80mm2)
It is immersed in the sodium hydrate aqueous solution of 60g/L 50 seconds, is dried after then washing.
(2) applied in stainless steel injection surface applied adhesive in the way of the thickness after solidification is 30 μm
Layer material S2.
(3) product for being coated with coating is positioned in heating furnace, 80 DEG C of baking 40min, is had
There is the stainless steel X2 of first stage solidify coating.
(4) X2 is placed in injection machine, 140 DEG C of mould temperature, injection pressure 150MPa, is molded polyphenyl
Thioether adds glass fiber composite material, and (content of glass fiber is 40 weight %, is purchased from Polyplastics, model
1140T), obtain being molded complex.
(5) injection complex is positioned in heating furnace, 130 DEG C of baking 40min obtain metallo-plastic
Complex A2.
Embodiment 3
(1) at being 40 DEG C in temperature, by stainless steel, (there is the hole of a diameter of 6mm centre, to be bonded
The size of metalwork is：80mm × 16mm × 5mm, its injection-molding surfaces are 16mm × 5mm=80mm2)
It is immersed in the sodium hydrate aqueous solution of 60g/L 50 seconds, is dried after then washing.
(2) applied in stainless steel injection surface applied adhesive in the way of the thickness after solidification is 40 μm
Layer material S3.
(3) product for being coated with coating is positioned in heating furnace, 80 DEG C of baking 60min, is had
There is the stainless steel X3 of first stage solidify coating.
(4) X3 is placed in injection machine, 140 DEG C of mould temperature, injection pressure 150MPa, is molded polyphenyl
Thioether adds glass fiber composite material, and (content of glass fiber is 40 weight %, is purchased from Polyplastics, model
1140T), obtain being molded complex.
(5) injection complex is positioned in heating furnace, 130 DEG C of baking 100min obtain metal modeling
Material complex A3.
Embodiment 4
Method according to embodiment 1 is carried out, unlike, step (3) is：It is coated with coating
Product is positioned in heating furnace, 60 DEG C of baking 80min, is obtained with the stainless of first stage solidify coating
Steel；Step (4) is：Injection complex is positioned in heating furnace, 180 DEG C of baking 50min.It is identical
Obtain metallo-plastic complex A4.
Embodiment 5
Method according to embodiment 1 is carried out, unlike, base material is glass, step 1) it is to use alcohol
Dried behind cleaning glass window surface.Glass plastic complex A5 is obtained in the same manner.
Embodiment 6
Method according to embodiment 1 is carried out, unlike, adhesive coated material is S4.In the same manner
Obtain metallo-plastic complex A6.
Comparative example 1
Method according to embodiment 1 is carried out, unlike, adhesive coated material is C1.But,
After being molded according to step (4), metal and plastic layer are separated.
Comparative example 2
Method according to embodiment 1 is carried out, unlike, adhesive coated material is C2.But,
After being molded according to step (4), metal and plastic layer are separated.
Comparative example 3
Method according to embodiment 1 is carried out, unlike, step (3) is the product for being coated with coating
Product are positioned in heating furnace, 130 DEG C of baking 60min, are obtained with the stainless of first stage solidify coating
Steel X4.X4 is placed on after injection machine is molded according to step (4), metal and plastic layer are separated.
Test case 1
The metal-resin composite A1-A6 that will be obtained according to the method for above-described embodiment 1-6 is in universal material
On testing machine (being purchased from MTS industrial systems (China) Co., Ltd E42.503 models), with drawing
Speed is tested for 10mm/min, the maximum, force that record metal or glass are separated with plastics, then is removed
With bond area (i.e. 80mm2), pull strength is obtained, and the result is shown in Table 2 below.
Table 2
| Pull strength (Mpa) | |
| A1 | 19.61 |
| A2 | 20.78 |
| A3 | 22.34 |
| A4 | 20.29 |
| A5 | 20.93 |
| A6 | 18.50 |
The preferred embodiment of the present invention described in detail above, but, the present invention is not limited to above-mentioned
Detail in implementation method, in range of the technology design of the invention, can be to skill of the invention
Art scheme carries out various simple variants, and these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique described in above-mentioned specific embodiment is special
Levy, in the case of reconcilable, can be combined by any suitable means, in order to avoid not
Necessary repetition, the present invention is no longer separately illustrated to various possible combinations.
Additionally, can also be combined between a variety of implementation methods of the invention, as long as
, without prejudice to thought of the invention, it should equally be considered as content disclosed in this invention for it.
Claims (11)
1. a kind of injection coating composition, it is characterised in that said composition contain resin glue,
Curing agent A, curing agent B, silane coupler and diluent, wherein, the resin glue is hydroxyl
Acrylic resin；The curing agent A is isocyanates curing agent；The curing agent B is enclosed type
One or more in isocyanates curing agent, amino resins and epoxy resin；The curing agent A and
The weight ratio of curing agent B is 1：2-6.
2. composition according to claim 1, wherein, it is described viscous relative to 100 weight portions
Knot agent resin, the consumption of the curing agent A is 0.5-10 weight portions, and the consumption of the curing agent B is
2-30 weight portions, the consumption of the silane coupler is 0.5-5 weight portions, and the consumption of the diluent is
20-300 weight portions；
Preferably, relative to the resin glue of 100 weight portions, the consumption of the curing agent A is
1-8 weight portions, the consumption of the curing agent B is 5-22 weight portions, and the consumption of the silane coupler is
1-3 weight portions, the consumption of the diluent is 30-150 weight portions.
3. composition according to claim 1, wherein, the isocyanates curing agent is first
Phenylene diisocyanate, '-diphenylmethane diisocyanate, hexamethylene diisocyanate, the isocyanic acid of phenylenedimethylidyne two
Ester, tetramethylxylylene diisocyanate, dicyclohexyl methyl hydride diisocyanate, isophorone two
Isocyanates, trimethyl hexamethylene diisocyanate, hexahydrotoluene diisocyanate and toluene styrene isocyanic acid
One or more in ester；
Preferably, the blocked isocyanate class curing agent is the closing of phenol, caprolactam or butanone
One or more in polyisocyanates.
4. the composition according to any one in claim 1-3, wherein, the curing agent A
Weight with curing agent B compares 1：2.5-5.5.
5. the composition according to any one in claim 1-3, wherein, it is described silane coupled
Agent is gamma-aminopropyl-triethoxy-silane, γ-methacryloxypropyl trimethoxy silane, γ
- (oxygen of 2,3- epoxies third) propyl trimethoxy silicane, vinyltrimethoxy silane and N- (β-aminoethyl)-
One or more in γ-aminopropyl trimethoxy silicon.
6. the composition according to any one in claim 1-3, wherein, the diluent is
Butyl acetate, n-butanol, dimethylbenzene, methyl iso-butyl ketone (MIBK), cyclohexanone, butyl glycol ether, ethanol
With one or more in toluene.
7. a kind of preparation method of Plastic composite body, it is characterised in that the method is comprised the following steps：
1) injection coating composition is coated on the surface of metal or glass, and is 50-99 DEG C in temperature
Under the conditions of solidify 20-100 minutes；
2) it is being coated with the surface casting resin composition of coating composition；
3) complex that will be obtained after injection solidifies 30-120 points under conditions of being 100-250 DEG C in temperature
Clock；
Wherein, the injection coating composition is that injection in claim 1-6 described in any one is used
Coating composition.
8. method according to claim 7, wherein, the metal is aluminium, aluminium alloy, stainless
Steel, magnesium or magnadure.
9. method according to claim 7, wherein, step 2) in, in the resin combination
Resin be selected from polyolefin, makrolon, polyester, polyamide, polyarylether, PEI, poly-
One or more in phenylate, polyphenylene sulfide, polyimides, polysulfones, polyether-ether-ketone and polyurethane.
10. a kind of Plastic composite body, it is characterised in that the Plastic composite body is by claim 7-9
Method described in any one is prepared.
11. a kind of Plastic composite bodies, it is characterised in that in usage right requirement 1-6 described in any one
Injection coating composition as injection coating.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107523200A (en) * | 2017-07-28 | 2017-12-29 | 苏州健雄职业技术学院 | Automotive thermoplastic's plastic fittings coating and its preparation method and application |
| CN114536886A (en) * | 2022-01-05 | 2022-05-27 | 深圳市信维通信股份有限公司 | Soft-packing rubber injection molding process and metal part |
| CN115386286A (en) * | 2022-09-14 | 2022-11-25 | 兴科电子(东莞)有限公司 | Glass fiber plastic surface sealing agent treated by adhesive and production equipment thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103183999A (en) * | 2011-12-29 | 2013-07-03 | 关西涂料株式会社 | Metal coating composition |
-
2015
- 2015-12-21 CN CN201510960139.5A patent/CN106893421B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103183999A (en) * | 2011-12-29 | 2013-07-03 | 关西涂料株式会社 | Metal coating composition |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107523200A (en) * | 2017-07-28 | 2017-12-29 | 苏州健雄职业技术学院 | Automotive thermoplastic's plastic fittings coating and its preparation method and application |
| CN114536886A (en) * | 2022-01-05 | 2022-05-27 | 深圳市信维通信股份有限公司 | Soft-packing rubber injection molding process and metal part |
| CN115386286A (en) * | 2022-09-14 | 2022-11-25 | 兴科电子(东莞)有限公司 | Glass fiber plastic surface sealing agent treated by adhesive and production equipment thereof |
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| CN106893421B (en) | 2019-06-04 |
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