CN106083151B - A kind of composite gypsum material and preparation method - Google Patents
A kind of composite gypsum material and preparation method Download PDFInfo
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- CN106083151B CN106083151B CN201610406542.8A CN201610406542A CN106083151B CN 106083151 B CN106083151 B CN 106083151B CN 201610406542 A CN201610406542 A CN 201610406542A CN 106083151 B CN106083151 B CN 106083151B
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- gypsum
- layer
- epoxy resin
- gypsum mold
- coat
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/14—Polyepoxides
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/89—Coating or impregnation for obtaining at least two superposed coatings having different compositions
- C04B41/90—Coating or impregnation for obtaining at least two superposed coatings having different compositions at least one coating being a metal
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of composite gypsum material and preparation methods, for making gypsum mold, include plaster matrix, mid-coat layer, metal layer, plaster matrix is the various gypsum and composite gypsum material for making gypsum mold, mid-coat layer is microcellular polymeric material, and metal layer is micropore metal coating.Micropore macromolecule layer, the coat of metal are compounded in gypsum surface by the present invention, keep the water absorbing properties of gypsum mold, and mechanical strength improves, surface is smooth, hardness is big, wearability is good, and die life is greatly improved, and demoulding is smooth, manufactured billet surface is smooth, good in economic efficiency.
Description
Technical field
The present invention relates to a kind of composite gypsum material and preparation methods, and in particular to the manufacturing of gypsum mold.
Background technique
Gypsum mold in Production of Ceramics is used to casting biscuit, but mechanical strength is low, and wear-resisting property is poor, also not corrosion resistant
Erosion, it is thus proposed that improved method.Such as Chinese patent literature disclose a kind of coating for plaster mould [application number:
92113950.0], coating is made of resin, solvent, filler, micropore binder, curing agent.The coating is coated on gypsum mold
Surface can make the service life of mold improve 3-5 times, and the water absorbing properties of die-face do not reduce, and have molding base
The characteristics of body any surface finish.But its micropore, which is formed, improves porosity by chemical blowing process merely, and it is strong to will cause epoxide resin material
Degree and hardness reduce, and long-time service is easy to crack, and mold wearability, surface smoothness, the promotion in service life are limited.The present invention is directed to this
A little situations have used the glass panel with holes microballon that certain proportion compression strength is high, water absorbing properties are good, permeability rate is high, the epoxy of formation
Resin microporous layers, then plate one layer of high intensity, high hardness and corrosion resistance and it is non-lubricated under the conditions of the small micropore chemical plating of coefficient of friction
Nickel layer, be suitble to produce in enormous quantities, demould it is more smooth, the surface of biscuit of ceramics is more smooth, make plastering application field into
One step expands.
Summary of the invention
The purpose of the present invention is to provide a kind of composite materials for making plaster matrix surface metalation, use this material system
The gypsum mold of work mechanical strength with higher, surface hardness and it is non-lubricated under the conditions of lesser coefficient of friction, have metal
Appearance, the surface of microporous does not reduce the water imbibition of gypsum mold.Manufactured gypsum mold high production efficiency, can reduce life
Cost is produced, the service life is long, good in economic efficiency.
The invention is realized in this way a kind of composite gypsum material, includes plaster matrix, mid-coat layer, metal layer；Its
Be characterized in that: plaster matrix is in bottom, adheres to mid-coat layer thereon, and metal layer is covered in mid-coat layer, gypsum base
Body is the gypsum mold of gypsum production, and mid-coat layer is the epoxy resin coat handled by microporous, and metal layer is to change
Learn nickel coating.
Further, the making material of the gypsum mold is the one or more of various gypsum and composite gypsum material.
Further, the object of the microporous in the epoxy resin coat of the microporous processing refers to the work of gypsum mold
Make face, the preparation method of the microporous epoxy resin coat and steps are as follows:
A coating is brushed or sprayed on dry gypsum mold working face, and the formula of this coating is in terms of weight fraction
Are as follows: epoxy resin 100, diluent 20~60, curing agent 5~20, filler 5~50, foaming agent 0.5~4, coupling agent 1~5 connect
Get off and make in this way:
A. blowing agent component is aluminium powder and NaOH saturated solution: epoxy resin being diluted dilution agent, filler, aluminium powder is added
And curing agent, coupling agent, it stirs evenly, then instills NaOH saturated solution, stir evenly rapidly, gypsum mold is put at room temperature
It sets 2 hours, is placed in baking oven after to be foamed, per half an hour heats up 10 degrees Celsius, until constant temperature 6 hours after 100 degrees Celsius, slowly cold
But to room temperature, micropore epoxy resin layer dry forming；
B. blowing agent component be sodium bicarbonate: by epoxy resin dilute dilution agent, addition filler and curing agent, coupling agent,
Saleratus power stirs evenly, and gypsum mold is placed in baking oven, and per half an hour heats up 10 degrees Celsius, until constant temperature after 100 degrees Celsius
It 6 hours, is slowly cooled to room temperature, the forming of micropore epoxy resin layer.
Further, the metal layer refers to the chemical Ni-plating layer of plating on microporous epoxy resin coat, describedization
Learning nickel coating is such production process: oil removingRougheningActivationCleaningChemical nickel plating.
Further, it is described roughening for coated with microporous epoxy resin coat gypsum mold working face immerse with
NaOH 600g/L, NaNO3120 g/L, NaNO25~10 minutes in 93 DEG C of solution that 120 g/L are prepared.
Further, the activation is immersed in the nickel acetate alcoholic solution of 80g/L for the gypsum mold working face of roughening, then is delayed
Slowly the sodium borohydride alcoholic solution stirring for pouring into 70g/L, takes out after 20~30 minutes.
Further, the chemical nickel plating is acid chemical plating nickel, 1~30 μm of the chemical Ni-plating layer thickness.
Further, the filler is aperture hollow glass micropearl and aluminium silicate powder, aperture hollow glass micropearl and silicic acid
The volume ratio of aluminium powder is 1:0.5~10, and the mesh granularity of aperture hollow glass micropearl and aluminium silicate powder particle is -500 mesh.
The invention has the following advantages that
(1) the microporous composite layer formed on gypsum mold matrix, foaming agent and aperture hollow glass micropearl filler
It is used in combination, permeability rate is high, does not reduce the water absorbing properties of mold, and increase mechanical strength；
(2) epoxy resin coat improves the toughness of gypsum mold, and mechanical strength increases, and corrosion resistance is superior；
(3) chemical Ni-plating layer, surface is smooth, it is non-lubricated under the conditions of coefficient of friction it is small, demoulding rapidly, the biscuit of ceramics of product
Smooth appearance, corrosion stability is strong, and hardness is big, wear-resistant, improves ten times of service life of mold or more.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
11. plaster matrix, 12. mid-coat layer, 13. metal layer, 111. working face in the figure
123. micropore.
Specific embodiment
The embodiment of the present invention is described in further detail below in conjunction with Detailed description of the invention, but the present embodiment is not used to limit
The scope of the present invention processed, it is all using similar structure and its similar variation of the invention, protection scope of the present invention should all be included in.
As shown in Figure 1, the present invention is such to work and implementation, a kind of gypsum mold composite material includes gypsum base
Body 11, mid-coat layer 12, metal layer 13；It is characterized by: plaster matrix 11 refers to the gypsum mold of gypsum production, inter-coat
Layer 12 is epoxy resin layer, and metal layer 13 is chemical Ni-plating layer.
The mid-coat layer 12 is the epoxy resin coat handled by microporous, and the object of the microporous refers to stone
The method and steps of the working face 111 of cream mold, the preparation of the microporous epoxy resin coat is as follows:
Embodiment one
(1) coating is brushed or sprayed on dry gypsum mold working face 111, and the formula of this coating is with weight
Score is calculated as: epoxy resin 100, acetone 40, polyamide 15, aperture hollow glass micropearl 8, aluminium silicate powder 30, aluminium powder 0.4,
NaOH saturated solution 0.5, γ-epoxidation propoxyl group triethoxysilane (KH-560) 1；Here acetone is diluent, polyamide
For curing agent, aluminium powder and NaOH saturated solution are foaming agent, and aperture hollow glass micropearl and alumina silicate are filler, γ-epoxidation
Propoxyl group triethoxysilane (KH-560) is coupling agent.Coating makes in this way: epoxy resin being diluted dilution agent, is added
Enter aluminium powder, aperture hollow glass micropearl, aluminium silicate powder and polyamide, KH-560, stir evenly, it is molten then to instill NaOH saturation
Liquid stirs evenly rapidly；
(2) gypsum mold is placed 2 hours at room temperature, is placed in baking oven after to be foamed, and per half an hour heats up 10 degrees Celsius,
Constant temperature 6 hours, is slowly cooled to room temperature after to 100 degrees Celsius, the gap and aperture that foaming agent foam is formed in this process
Hollow glass micropearl forms micropore 123 in dry epoxy resin layer jointly；
(3) to epoxy resin microporous layers plating chemical Ni-plating layer, electroless nickel layer is such production process:
A. oil removing: the gypsum mold working face for being coated with epoxy resin microporous layers immerses NaOH 25g/L, NaCO3
30g/L, Na3PO4 30 minutes in 45~55 DEG C of the solution that 50g/L is prepared；
B. it is roughened: is closed with the gypsum mold non-working surface after transparent plastic tape-stripping oil removing, by gypsum mold
It immerses with NaOH 600g/L, NaNO3120 g/L, NaNO25~10 minutes in 93 DEG C of solution that 120 g/L are prepared；
C. it activates: the gypsum mold Jing Guo roughening treatment being immersed to the nickel acetate alcoholic solution of 80g/L, then is poured slowly into 70g/
The sodium borohydride alcoholic solution of L stirs, and takes out after 20~30 minutes；
D. first cold water is washed, then pure water washes the gypsum mold working face of activated processing；
E. the gypsum mold after cleaning is hung on hanger, gypsum mold working face is immersed into heating water bath to 90~95 DEG C
Chemical nickel-plating solution in carry out chemical nickel plating, 3 μm of thickness of coating, remove transparent plastic adhesive tape, it is residual to scrape off gypsum mold surface
The colloid stayed.
Embodiment two
(1) coating is brushed or sprayed on dry gypsum mold working face 111, and the formula of this coating is with weight
Score is calculated as: epoxy resin 100, acetone 40, polyamide 12, aperture hollow glass micropearl 24, saleratus power 4, and NaOH saturation is molten
Liquid 0.4, gamma-aminopropyl-triethoxy-silane (KH-550) 1；Here acetone is diluent, and polyamide is curing agent, saleratus power
For foaming agent, aperture hollow glass micropearl and alumina silicate are filler, and gamma-aminopropyl-triethoxy-silane (KH-550) is coupling
Agent.Coating makes in this way: epoxy resin being diluted dilution agent, saleratus power, aperture hollow glass micropearl, silicic acid is added
Aluminium powder and polyamide, KH-550, stir evenly；
(2) gypsum mold is placed 2 hours at room temperature, is placed in baking oven after to be foamed, and per half an hour heats up 10 degrees Celsius,
Constant temperature 6 hours, is slowly cooled to room temperature after to 100 degrees Celsius, the gap and aperture that foaming agent foam is formed in this process
Hollow glass micropearl forms micropore 123 in dry epoxy resin layer jointly；
(3) to epoxy resin microporous layers plating chemical Ni-plating layer, electroless nickel layer is such production process:
A. oil removing: the gypsum mold working face 111 for being coated with epoxy resin microporous layers immerses NaOH 25g/L, NaCO3
30g/L, Na3PO4 30 minutes in 45~55 DEG C of the solution that 50g/L is prepared；
B. it is roughened: is closed with the gypsum mold non-working surface after transparent plastic tape-stripping oil removing, by gypsum mold
It immerses with NaOH 600g/L, NaNO3120 g/L, NaNO25~10 minutes in 93 DEG C of solution that 120 g/L are prepared；
C. it activates: the gypsum mold working face 111 Jing Guo roughening treatment being immersed to the nickel acetate alcoholic solution of 80g/L, then is delayed
Slowly the sodium borohydride alcoholic solution stirring for pouring into 70g/L, takes out after 20~30 minutes；
D. first cold water is washed, then the gypsum mold of the activated processing of pure water rinsing；
E. the gypsum mold after cleaning is hung on hanger, gypsum mold working face is immersed into heating water bath to 90~95
DEG C chemical nickel-plating solution in carry out chemical nickel plating, 3 μm of thickness of coating, remove transparent plastic adhesive tape, scrape off gypsum mold surface
Remaining colloid.
Claims (5)
1. a kind of composite gypsum material includes plaster matrix, mid-coat layer, metal layer；Plaster matrix is in bottom, attached thereon
Mid-coat layer, metal layer be covered in mid-coat layer, plaster matrix be gypsum production gypsum mold, mid-coat layer
For the epoxy resin coat by microporous processing, metal layer is chemical Ni-plating layer；The making material of the gypsum mold is
The one or more of various gypsum and composite gypsum material；It is characterized by: the epoxy resin coat of the microporous processing
In the object of microporous refer to the working face of gypsum mold, the preparation method and step of the microporous epoxy resin coat are such as
Under:
It is brushed on dry gypsum mold working face or sprays a coating, the formula of this coating is calculated as with weight fraction:
Epoxy resin 100, diluent 20~60, curing agent 5~100, filler 5~50, foaming agent 0.5~10, coupling agent 1~5 connect
Get off and make in this way:
A. blowing agent component is aluminium powder and NaOH saturated solution: epoxy resin being diluted dilution agent, filler, aluminium powder is added and consolidates
Agent, coupling agent, stir evenly, and then instill NaOH saturated solution, stir evenly rapidly, gypsum mold places 2 at room temperature
Hour, it is placed in baking oven after to be foamed, per half an hour heats up 10 degrees Celsius, until constant temperature 6 hours, Slow cooling after 100 degrees Celsius
To room temperature, micropore epoxy resin layer dry forming；
B. blowing agent component is sodium bicarbonate: epoxy resin being diluted dilution agent, filler and curing agent, coupling agent, little Su is added
Powder is beaten, is stirred evenly, gypsum mold is placed in baking oven, per half an hour heats up 10 degrees Celsius, until constant temperature 6 is small after 100 degrees Celsius
When, it is slowly cooled to room temperature, the forming of micropore epoxy resin layer；
The filler is aperture hollow glass micropearl and aluminium silicate powder, and the volume ratio of aperture hollow glass micropearl and aluminium silicate powder is
The mesh granularity of 1:0.5~10, aperture hollow glass micropearl and aluminium silicate powder particle is -500 mesh.
2. a kind of composite gypsum material according to claim 1, it is characterised in that: the metal layer refers to microporous asphalt mixtures modified by epoxy resin
The chemical Ni-plating layer of plating on rouge coat, the chemical Ni-plating layer are such production processes: oil removingRougheningIt is living
Change cleaningChemical nickel plating.
3. a kind of composite gypsum material according to claim 2, it is characterised in that: the roughening is coated with microporous epoxy
The gypsum mold working face of resin coating layer is immersed with NaOH 600g/L,120g/L,What 120g/L was prepared
5~10 minutes in 93 DEG C of solution.
4. a kind of composite gypsum material according to claim 2, it is characterised in that: the activation is the gypsum mold work of roughening
Make face to immerse in the nickel acetate alcoholic solution of 80g/L, then is poured slowly into the sodium borohydride alcoholic solution stirring of 70g/L, 20~30 minutes
After take out.
5. a kind of composite gypsum material according to claim 2, it is characterised in that: the chemical nickel plating is acid chemical plating
Nickel, 1~30 μm of the chemical Ni-plating layer thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610406542.8A CN106083151B (en) | 2016-06-12 | 2016-06-12 | A kind of composite gypsum material and preparation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610406542.8A CN106083151B (en) | 2016-06-12 | 2016-06-12 | A kind of composite gypsum material and preparation method |
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| CN106083151A CN106083151A (en) | 2016-11-09 |
| CN106083151B true CN106083151B (en) | 2018-12-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107575700A (en) * | 2017-10-25 | 2018-01-12 | 浙江星丰科技有限公司 | A kind of anticorrosion direct-buried thermal insulation pipe |
| CN108002390B (en) * | 2017-11-30 | 2019-02-05 | 亚洲硅业（青海）有限公司 | A kind of electrode for reduction furnace and its coating production |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1088149A (en) * | 1992-12-16 | 1994-06-22 | 山东省硅酸盐研究设计院 | A kind of coating for plaster mould |
| CN102059756A (en) * | 2010-11-01 | 2011-05-18 | 常熟市精艺玻璃模具制造有限公司 | Composite material mould |
| CN102691079A (en) * | 2012-05-03 | 2012-09-26 | 杭州先临快速成型技术有限公司 | Method for rapidly manufacturing low-temperature alloy casting mould |
-
2016
- 2016-06-12 CN CN201610406542.8A patent/CN106083151B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1088149A (en) * | 1992-12-16 | 1994-06-22 | 山东省硅酸盐研究设计院 | A kind of coating for plaster mould |
| CN102059756A (en) * | 2010-11-01 | 2011-05-18 | 常熟市精艺玻璃模具制造有限公司 | Composite material mould |
| CN102691079A (en) * | 2012-05-03 | 2012-09-26 | 杭州先临快速成型技术有限公司 | Method for rapidly manufacturing low-temperature alloy casting mould |
Non-Patent Citations (2)
| Title |
|---|
| 化学镀镍在模具制造中的应用;潘晓析等;《模具工业》;19930829(第8期);第50页最后一段，第51页左栏第2段至右栏第6段 * |
| 石膏表面电刷镀镍工艺;王宏;《电镀与精饰》;20090831;第31卷(第8期);第9,10,27页 * |
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Granted publication date: 20181225 Termination date: 20190612 |