CN105713556A - Computer display screen sealant and preparation method thereof - Google Patents

Computer display screen sealant and preparation method thereof Download PDF

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Publication number
CN105713556A
CN105713556A CN201610300001.7A CN201610300001A CN105713556A CN 105713556 A CN105713556 A CN 105713556A CN 201610300001 A CN201610300001 A CN 201610300001A CN 105713556 A CN105713556 A CN 105713556A
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parts
epoxy resin
fluid sealant
computer display
type epoxy
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王璐
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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
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/04—Non-macromolecular additives inorganic
    • 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
    • C09J191/00—Adhesives based on oils, fats or waxes; Adhesives based on derivatives thereof
    • 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
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Inorganic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Sealing Material Composition (AREA)

Abstract

The invention relates to a computer display screen sealant which is prepared by mixing a bisphenol A epoxy resin, nano calcium carbonate, dibutyl phthalate, acrylic acid, rutile titanium white, a dicyclopentadiene resin, N-methylpyrrolidone, m-phenylenediamine, a bisphenol H epoxy resin, 2-butyl-1,2-benzoisothiazolinyl-3-one, polydimethylsiloxane, linseed oil, isothiazolinone, triethyl-phosphite, dimethylethanolamine, monolauryl phosphate, asbestos powder, methyl methacrylate, a titanate coupling agent, honey, chloropropyltriethoxy silane and castor oil. The computer display screen sealant has the advantages of favorable pressure flow viscosity, favorable Shore hardness, favorable shear strength, favorable elongation at break, favorable tensile strength, high pressure-resistant sealability and excellent properties, is suitable for use, and improves the product performance.

Description

A kind of computer display fluid sealant and preparation method thereof
Technical field
The present invention relates to a kind of computer display fluid sealant and preparation method thereof, belong to fluid sealant technical field.
Background technology
Computer display is also generally referred to as computer monitor or computer screen.It is a most important computer part outside being in addition to CPU, mainboard, internal memory, power supply, keyboard, mouse.Computer display is assembling or in production process, or in maintenance process, it is often necessary to use fluid sealant, in order to the sealing of computer display is better achieved.
Summary of the invention
It is an object of the invention to provide a kind of computer display fluid sealant and preparation method thereof, in order to the sealing function of computer display fluid sealant is better achieved.
To achieve these goals, technical scheme is as follows.
nullA kind of computer display fluid sealant，It is made up of the component of following mass fraction: bisphenol A type epoxy resin 10～14 parts、Nano-calcium carbonate 12～16 parts、Dibutyl phthalate 8～12 parts、Acrylic acid 6～10 parts、Rutile type titanium dioxide 12～16 parts、Dcpd resin 8～12 parts、N-Methyl pyrrolidone 6～10 parts、M-diaminobenzene. 12～16 parts、Bis-phenol H type epoxy resin 8～12 parts、2-butyl-1,2-benzisothiazole-3-ketone 6～10 parts、Polydimethylsiloxane 12～16 parts、Semen Lini oil 8～12 parts、Isothiazolone 8～12 parts、NSC 5284 12～16 parts、Dimethylethanolamine 8～12 parts、Single Tryfac 5573 6～10 parts、Flake asbestos 12～16 parts、Methyl methacrylate 8～12 parts、Titanate coupling agent 6～10 parts、Mel 12～16 parts、Chloropropyl triethoxysilane 8～12 parts、Oleum Ricini 10000～20000 parts.
Further, above computer display screen fluid sealant, it is made up of the component of following mass fraction: bisphenol A type epoxy resin 10 parts, nano-calcium carbonate 12 parts, dibutyl phthalate 8 parts, 6 parts of acrylic acid, Rutile type titanium dioxide 12 parts, dcpd resin 8 parts, N-Methyl pyrrolidone 6 parts, m-diaminobenzene. 12 parts, bis-phenol H type epoxy resin 8 parts, 2-butyl-1, 2-benzisothiazole-3-ketone 6 parts, polydimethylsiloxane 12 parts, Semen Lini oil 8 parts, isothiazolone 8 parts, NSC 5284 12 parts, dimethylethanolamine 8 parts, single Tryfac 5573 6 parts, flake asbestos 12 parts, methyl methacrylate 8 parts, titanate coupling agent 6 parts, Mel 12 parts, chloropropyl triethoxysilane 8 parts, Oleum Ricini 10000 parts.
nullFurther，Above computer display screen fluid sealant，It is made up of the component of following mass fraction: bisphenol A type epoxy resin 12 parts、Nano-calcium carbonate 14 parts、Dibutyl phthalate 10 parts、8 parts of acrylic acid、Rutile type titanium dioxide 14 parts、Dcpd resin 10 parts、N-Methyl pyrrolidone 8 parts、M-diaminobenzene. 14 parts、Bis-phenol H type epoxy resin 10 parts、2-butyl-1,2-benzisothiazole-3-ketone 8 parts、Polydimethylsiloxane 14 parts、Semen Lini oil 10 parts、Isothiazolone 10 parts、NSC 5284 14 parts、Dimethylethanolamine 10 parts、Single Tryfac 5573 8 parts、Flake asbestos 14 parts、Methyl methacrylate 10 parts、Titanate coupling agent 8 parts、Mel 14 parts、Chloropropyl triethoxysilane 10 parts、Oleum Ricini 15000 parts.
nullFurther，Above computer display screen fluid sealant，It is made up of the component of following mass fraction: bisphenol A type epoxy resin 14 parts、Nano-calcium carbonate 16 parts、Dibutyl phthalate 12 parts、10 parts of acrylic acid、Rutile type titanium dioxide 16 parts、Dcpd resin 12 parts、N-Methyl pyrrolidone 10 parts、M-diaminobenzene. 16 parts、Bis-phenol H type epoxy resin 12 parts、2-butyl-1,2-benzisothiazole-3-ketone 10 parts、Polydimethylsiloxane 16 parts、Semen Lini oil 12 parts、Isothiazolone 12 parts、NSC 5284 16 parts、Dimethylethanolamine 12 parts、Single Tryfac 5573 10 parts、Flake asbestos 16 parts、Methyl methacrylate 12 parts、Titanate coupling agent 10 parts、Mel 16 parts、Chloropropyl triethoxysilane 12 parts、Oleum Ricini 20000 parts.
Further, described nano-calcium carbonate uses following preparation method to prepare, and step is as follows:
(1) being placed in Muffle furnace by calcite and carry out calcination processing temperature about 1100～1300 DEG C, the process time 3～5h obtains lime powder；
(2), after the lime powder obtained in step (1) being cooled to 50～80 DEG C, add it to, in the deionized water of 2000～8000 mass multiples, be sufficiently stirred for being configured to emulsion；
(3) in the emulsion that step (3) obtains, the sodium sulfate that mass percent is 3～5% is added, it is placed in ice-water bath, detect temperature and the pH value of emulsion in real time, it is passed through carbon dioxide the most while stirring, when the pH value of liquid to be mixed is more than 5.0, add the polyvinyl alcohol that mass percent is 4～10%, until pH value to time neutral, stop being passed through carbon dioxide, keep 5～10 DEG C to continue stirring 30～60min；
(4) final mixture decompression sucking filtration, the washing that will obtain in step (3), under the vacuum environment that vacuum is 0.05～0.12MPa, is dried process, dried temperature 60～80 DEG C, and the time is 2～4h, obtains described nano-calcium carbonate.
Further, described Rutile type titanium dioxide is made up of the powder body of three kinds of particle diameter mesh numbers, and its particle diameter mesh number is respectively 30～50 mesh, 50～80 mesh, 80～100 mesh, and the mixing quality ratio of above-mentioned three kinds of Rutile type titanium dioxide is 3～5:4～8:1.
Further, the viscosity of described bisphenol A type epoxy resin is 10000～14000mpa.s at 25 DEG C.
Further, described flake asbestos is made up of the powder body of three kinds of particle diameter mesh numbers, and its particle diameter mesh number is respectively 20～40 mesh, 40～60 mesh, 60～80 mesh, and the mixing quality ratio of above-mentioned three kinds of flake asbestos is 2～4:2～4:1.
Further, the viscosity of described bis-phenol H type epoxy resin is 12000～16000mpa.s at 25 DEG C.
Further, above computer display screen fluid sealant preparation method step is as follows:
(1) bisphenol A type epoxy resin of described mass fraction, nano-calcium carbonate, dibutyl phthalate, acrylic acid, Rutile type titanium dioxide, dcpd resin, N-Methyl pyrrolidone, dimethylethanolamine, single Tryfac 5573, flake asbestos, titanate coupling agent are added in the Oleum Ricini of above-mentioned mass fraction, from room temperature to heat up the speed of 3～5 DEG C per hour, warming while stirring is to 70～90 DEG C, stir, then let cool to room temperature in the way of 5～10 DEG C to lower the temperature per hour, obtain mixture A；
(2) in mixture A, the polydimethylsiloxane of above-mentioned mass fraction, Semen Lini oil, isothiazolone, NSC 5284 are added, from room temperature to heat up the speed of 5～8 DEG C per hour, warming while stirring is to 80～90 DEG C, and keep 1～3h at 80～90 DEG C, naturally cool to room temperature, obtain mixture B；
(3) in mixture B, add the m-diaminobenzene. of above-mentioned mass fraction, bis-phenol H type epoxy resin, 2-butyl-1,2-benzisothiazole-3-ketone, from room temperature to heat up the speed of 8～10 DEG C per hour, warming while stirring is to 70～90 DEG C, 1～3h is kept in 70～90 DEG C under stirring, naturally cool to room temperature, obtain mixture C；
(4) in mixture C, the remaining ingredient of above-mentioned mass fraction is added, under the vacuum condition that vacuum is-0.06～-0.1Mpa, from room temperature to heat up the speed of 1～3 DEG C per hour, warming while stirring is to 50～70 DEG C, stir, be cooled to room temperature, obtain this product.
nullThis beneficial effect of the invention is: the computer display fluid sealant in the present invention，By bisphenol A type epoxy resin、Nano-calcium carbonate、Dibutyl phthalate、Acrylic acid、Rutile type titanium dioxide、Dcpd resin、N-Methyl pyrrolidone、M-diaminobenzene.、Bis-phenol H type epoxy resin、2-butyl-1,2-benzisothiazole-3-ketone、Polydimethylsiloxane、Semen Lini oil、Isothiazolone、NSC 5284、Dimethylethanolamine、Single Tryfac 5573、Flake asbestos、Methyl methacrylate、Titanate coupling agent、Mel、Chloropropyl triethoxysilane、Oleum Ricini is mixed with and forms，This computer display fluid sealant has good press flow viscosity、Shore hardness、Shear strength、Elongation at break、Hot strength，Its pressure-resistant stopping property is high、Excellent performance，It is suitable for using，Improve properties of product.
Detailed description of the invention
Below in conjunction with embodiment, the detailed description of the invention of the present invention is described, in order to be better understood from the present invention.
Embodiment 1
Computer display fluid sealant in the present embodiment, it is made up of the component of following mass fraction: bisphenol A type epoxy resin 10 parts, nano-calcium carbonate 12 parts, dibutyl phthalate 8 parts, 6 parts of acrylic acid, Rutile type titanium dioxide 12 parts, dcpd resin 8 parts, N-Methyl pyrrolidone 6 parts, m-diaminobenzene. 12 parts, bis-phenol H type epoxy resin 8 parts, 2-butyl-1, 2-benzisothiazole-3-ketone 6 parts, polydimethylsiloxane 12 parts, Semen Lini oil 8 parts, isothiazolone 8 parts, NSC 5284 12 parts, dimethylethanolamine 8 parts, single Tryfac 5573 6 parts, flake asbestos 12 parts, methyl methacrylate 8 parts, titanate coupling agent 6 parts, Mel 12 parts, chloropropyl triethoxysilane 8 parts, Oleum Ricini 10000 parts.
Described nano-calcium carbonate uses following preparation method to prepare, and step is as follows:
(1) calcite is placed in Muffle furnace carries out calcination processing temperature about 1100 DEG C, process time 5h and obtain lime powder；
(2), after the lime powder obtained in step (1) being cooled to 50 DEG C, add it to, in the deionized water of 2000 mass multiples, be sufficiently stirred for being configured to emulsion；
(3) adding mass percent in the emulsion that step (3) obtains is the sodium sulfate of 3%, it is placed in ice-water bath, detect temperature and the pH value of emulsion in real time, it is passed through carbon dioxide the most while stirring, when the pH value of liquid to be mixed is more than 5.0, adding mass percent is the polyvinyl alcohol of 4%, until pH value to time neutral, stop being passed through carbon dioxide, keep 5 DEG C to continue stirring 30min；
(4) final mixture decompression sucking filtration, the washing that will obtain in step (3), under the vacuum environment that vacuum is 0.05MPa, is dried process, dried temperature 60 C, and the time is 2h, obtains described nano-calcium carbonate.
Described Rutile type titanium dioxide is made up of the powder body of three kinds of particle diameter mesh numbers, and its particle diameter mesh number is respectively 30～50 mesh, 50～80 mesh, 80～100 mesh, and the mixing quality ratio of above-mentioned three kinds of Rutile type titanium dioxide is 3:4:1.
The viscosity of described bisphenol A type epoxy resin is 10000mpa.s at 25 DEG C.
Described flake asbestos is made up of the powder body of three kinds of particle diameter mesh numbers, and its particle diameter mesh number is respectively 20～40 mesh, 40～60 mesh, 60～80 mesh, and the mixing quality ratio of above-mentioned three kinds of flake asbestos is 2:2:1.
The viscosity of described bis-phenol H type epoxy resin is 12000mpa.s at 25 DEG C.
Above computer display screen fluid sealant preparation method step is as follows:
(1) bisphenol A type epoxy resin of described mass fraction, nano-calcium carbonate, dibutyl phthalate, acrylic acid, Rutile type titanium dioxide, dcpd resin, N-Methyl pyrrolidone, dimethylethanolamine, single Tryfac 5573, flake asbestos, titanate coupling agent are added in the Oleum Ricini of above-mentioned mass fraction, from room temperature to heat up the speed of 3 DEG C per hour, warming while stirring is to 70 DEG C, stir, then let cool to room temperature in the way of 5 DEG C to lower the temperature per hour, obtain mixture A；
(2) in mixture A, the polydimethylsiloxane of above-mentioned mass fraction, Semen Lini oil, isothiazolone, NSC 5284 are added, from room temperature to heat up the speed of 5 DEG C per hour, warming while stirring to 80 DEG C, and keep 3h at 80 DEG C, naturally cool to room temperature, obtain mixture B；
(3) in mixture B, add the m-diaminobenzene. of above-mentioned mass fraction, bis-phenol H type epoxy resin, 2-butyl-1,2-benzisothiazole-3-ketone, from room temperature to heat up the speed of 8 DEG C per hour, warming while stirring is to 70 DEG C, 3h is kept in 70 DEG C under stirring, naturally cool to room temperature, obtain mixture C；
(4) in mixture C, add the remaining ingredient of above-mentioned mass fraction, under the vacuum condition that vacuum is-0.06Mpa, from room temperature to heat up the speed of 1 DEG C per hour, warming while stirring to 50 DEG C, stir, be cooled to room temperature, obtain this product.
Embodiment 2
Computer display fluid sealant in the present embodiment, it is made up of the component of following mass fraction: bisphenol A type epoxy resin 12 parts, nano-calcium carbonate 14 parts, dibutyl phthalate 10 parts, 8 parts of acrylic acid, Rutile type titanium dioxide 14 parts, dcpd resin 10 parts, N-Methyl pyrrolidone 8 parts, m-diaminobenzene. 14 parts, bis-phenol H type epoxy resin 10 parts, 2-butyl-1, 2-benzisothiazole-3-ketone 8 parts, polydimethylsiloxane 14 parts, Semen Lini oil 10 parts, isothiazolone 10 parts, NSC 5284 14 parts, dimethylethanolamine 10 parts, single Tryfac 5573 8 parts, flake asbestos 14 parts, methyl methacrylate 10 parts, titanate coupling agent 8 parts, Mel 14 parts, chloropropyl triethoxysilane 10 parts, Oleum Ricini 15000 parts.
Described nano-calcium carbonate uses following preparation method to prepare, and step is as follows:
(1) calcite is placed in Muffle furnace carries out calcination processing temperature about 1200 DEG C, process time 4h and obtain lime powder；
(2), after the lime powder obtained in step (1) being cooled to 65 DEG C, add it to, in the deionized water of 5000 mass multiples, be sufficiently stirred for being configured to emulsion；
(3) adding mass percent in the emulsion that step (3) obtains is the sodium sulfate of 4%, it is placed in ice-water bath, detect temperature and the pH value of emulsion in real time, it is passed through carbon dioxide the most while stirring, when the pH value of liquid to be mixed is more than 5.0, adding mass percent is the polyvinyl alcohol of 7%, until pH value to time neutral, stop being passed through carbon dioxide, keep 8 DEG C to continue stirring 45min；
(4) final mixture decompression sucking filtration, the washing that will obtain in step (3), under the vacuum environment that vacuum is 0.08MPa, is dried process, dried temperature 70 C, and the time is 3h, obtains described nano-calcium carbonate.
Described Rutile type titanium dioxide is made up of the powder body of three kinds of particle diameter mesh numbers, and its particle diameter mesh number is respectively 30～50 mesh, 50～80 mesh, 80～100 mesh, and the mixing quality ratio of above-mentioned three kinds of Rutile type titanium dioxide is 4:6:1.
The viscosity of described bisphenol A type epoxy resin is 12000mpa.s at 25 DEG C.
Described flake asbestos is made up of the powder body of three kinds of particle diameter mesh numbers, and its particle diameter mesh number is respectively 20～40 mesh, 40～60 mesh, 60～80 mesh, and the mixing quality ratio of above-mentioned three kinds of flake asbestos is 3:3:1.
The viscosity of described bis-phenol H type epoxy resin is 14000mpa.s at 25 DEG C.
Above computer display screen fluid sealant preparation method step is as follows:
(1) bisphenol A type epoxy resin of described mass fraction, nano-calcium carbonate, dibutyl phthalate, acrylic acid, Rutile type titanium dioxide, dcpd resin, N-Methyl pyrrolidone, dimethylethanolamine, single Tryfac 5573, flake asbestos, titanate coupling agent are added in the Oleum Ricini of above-mentioned mass fraction, from room temperature to heat up the speed of 4 DEG C per hour, warming while stirring is to 80 DEG C, stir, then let cool to room temperature in the way of 8 DEG C to lower the temperature per hour, obtain mixture A；
(2) in mixture A, the polydimethylsiloxane of above-mentioned mass fraction, Semen Lini oil, isothiazolone, NSC 5284 are added, from room temperature to heat up the speed of 6 DEG C per hour, warming while stirring to 85 DEG C, and keep 2h at 85 DEG C, naturally cool to room temperature, obtain mixture B；
(3) in mixture B, add the m-diaminobenzene. of above-mentioned mass fraction, bis-phenol H type epoxy resin, 2-butyl-1,2-benzisothiazole-3-ketone, from room temperature to heat up the speed of 9 DEG C per hour, warming while stirring is to 80 DEG C, 2h is kept in 80 DEG C under stirring, naturally cool to room temperature, obtain mixture C；
(4) in mixture C, add the remaining ingredient of above-mentioned mass fraction, under the vacuum condition that vacuum is-0.08Mpa, from room temperature to heat up the speed of 2 DEG C per hour, warming while stirring to 60 DEG C, stir, be cooled to room temperature, obtain this product.
Embodiment 3
nullComputer display fluid sealant in the present embodiment，It is made up of the component of following mass fraction: bisphenol A type epoxy resin 14 parts、Nano-calcium carbonate 16 parts、Dibutyl phthalate 12 parts、10 parts of acrylic acid、Rutile type titanium dioxide 16 parts、Dcpd resin 12 parts、N-Methyl pyrrolidone 10 parts、M-diaminobenzene. 16 parts、Bis-phenol H type epoxy resin 12 parts、2-butyl-1,2-benzisothiazole-3-ketone 10 parts、Polydimethylsiloxane 16 parts、Semen Lini oil 12 parts、Isothiazolone 12 parts、NSC 5284 16 parts、Dimethylethanolamine 12 parts、Single Tryfac 5573 10 parts、Flake asbestos 16 parts、Methyl methacrylate 12 parts、Titanate coupling agent 10 parts、Mel 16 parts、Chloropropyl triethoxysilane 12 parts、Oleum Ricini 20000 parts.
Described nano-calcium carbonate uses following preparation method to prepare, and step is as follows:
(1) calcite is placed in Muffle furnace carries out calcination processing temperature about 1300 DEG C, process time 3h and obtain lime powder；
(2), after the lime powder obtained in step (1) being cooled to 80 DEG C, add it to, in the deionized water of 8000 mass multiples, be sufficiently stirred for being configured to emulsion；
(3) adding mass percent in the emulsion that step (3) obtains is the sodium sulfate of 5%, it is placed in ice-water bath, detect temperature and the pH value of emulsion in real time, it is passed through carbon dioxide the most while stirring, when the pH value of liquid to be mixed is more than 5.0, adding mass percent is the polyvinyl alcohol of 10%, until pH value to time neutral, stop being passed through carbon dioxide, keep 10 DEG C to continue stirring 60min；
(4) final mixture decompression sucking filtration, the washing that will obtain in step (3), under the vacuum environment that vacuum is 0.12MPa, is dried process, dried temperature 80 DEG C, and the time is 2h, obtains described nano-calcium carbonate.
Described Rutile type titanium dioxide is made up of the powder body of three kinds of particle diameter mesh numbers, and its particle diameter mesh number is respectively 30～50 mesh, 50～80 mesh, 80～100 mesh, and the mixing quality ratio of above-mentioned three kinds of Rutile type titanium dioxide is 5:8:1.
The viscosity of described bisphenol A type epoxy resin is 14000mpa.s at 25 DEG C.
Described flake asbestos is made up of the powder body of three kinds of particle diameter mesh numbers, and its particle diameter mesh number is respectively 20～40 mesh, 40～60 mesh, 60～80 mesh, and the mixing quality ratio of above-mentioned three kinds of flake asbestos is 4:4:1.
The viscosity of described bis-phenol H type epoxy resin is 16000mpa.s at 25 DEG C.
Above computer display screen fluid sealant preparation method step is as follows:
(1) bisphenol A type epoxy resin of described mass fraction, nano-calcium carbonate, dibutyl phthalate, acrylic acid, Rutile type titanium dioxide, dcpd resin, N-Methyl pyrrolidone, dimethylethanolamine, single Tryfac 5573, flake asbestos, titanate coupling agent are added in the Oleum Ricini of above-mentioned mass fraction, from room temperature to heat up the speed of 5 DEG C per hour, warming while stirring is to 90 DEG C, stir, then let cool to room temperature in the way of 10 DEG C to lower the temperature per hour, obtain mixture A；
(2) in mixture A, the polydimethylsiloxane of above-mentioned mass fraction, Semen Lini oil, isothiazolone, NSC 5284 are added, from room temperature to heat up the speed of 8 DEG C per hour, warming while stirring to 90 DEG C, and keep 1h at 90 DEG C, naturally cool to room temperature, obtain mixture B；
(3) in mixture B, add the m-diaminobenzene. of above-mentioned mass fraction, bis-phenol H type epoxy resin, 2-butyl-1,2-benzisothiazole-3-ketone, from room temperature to heat up the speed of 10 DEG C per hour, warming while stirring is to 90 DEG C, 1h is kept in 90 DEG C under stirring, naturally cool to room temperature, obtain mixture C；
(4) in mixture C, add the remaining ingredient of above-mentioned mass fraction, under the vacuum condition that vacuum is-0.1Mpa, from room temperature to heat up the speed of 3 DEG C per hour, warming while stirring to 70 DEG C, stir, naturally cool to room temperature, obtain this product.
Embodiment 1, embodiment 2 and embodiment 3 and certain commercially available prod are carried out performance test as a control group, and result is as follows:
Result from upper table is it can be seen that fluid sealant that the present invention provides has good press flow viscosity, shore hardness, shear strength, elongation at break, hot strength, and its pressure-resistant stopping property is high, excellent performance.
The above is the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.

Claims (10)

  1. null1. a computer display fluid sealant，It is characterized in that: be made up of the component of following mass fraction: bisphenol A type epoxy resin 10～14 parts、Nano-calcium carbonate 12～16 parts、Dibutyl phthalate 8～12 parts、Acrylic acid 6～10 parts、Rutile type titanium dioxide 12～16 parts、Dcpd resin 8～12 parts、N-Methyl pyrrolidone 6～10 parts、M-diaminobenzene. 12～16 parts、Bis-phenol H type epoxy resin 8～12 parts、2-butyl-1,2-benzisothiazole-3-ketone 6～10 parts、Polydimethylsiloxane 12～16 parts、Semen Lini oil 8～12 parts、Isothiazolone 8～12 parts、NSC 5284 12～16 parts、Dimethylethanolamine 8～12 parts、Single Tryfac 5573 6～10 parts、Flake asbestos 12～16 parts、Methyl methacrylate 8～12 parts、Titanate coupling agent 6～10 parts、Mel 12～16 parts、Chloropropyl triethoxysilane 8～12 parts、Oleum Ricini 10000～20000 parts.
  2. nullComputer display fluid sealant the most according to claim 1，It is characterized in that: described computer display fluid sealant is made up of the component of following mass fraction: bisphenol A type epoxy resin about 10 parts、Nano-calcium carbonate 12 parts、Dibutyl phthalate 8 parts、6 parts of acrylic acid、Rutile type titanium dioxide about 12 parts、Dcpd resin 8 parts、N-Methyl pyrrolidone 6 parts、M-diaminobenzene. 12 parts、Bis-phenol H type epoxy resin 8 parts、2-butyl-1,2-benzisothiazole-3-ketone 6 parts、Polydimethylsiloxane 12 parts、Semen Lini oil 8 parts、Isothiazolone 8 parts、NSC 5284 12 parts、Dimethylethanolamine 8 parts、Single Tryfac 5573 6 parts、Flake asbestos 12 parts、Methyl methacrylate 8 parts、Titanate coupling agent 6 parts、Mel 12 parts、Chloropropyl triethoxysilane 8 parts、Oleum Ricini 10000 parts.
  3. nullComputer display fluid sealant the most according to claim 1，It is characterized in that: described computer display fluid sealant is made up of the component of following mass fraction: bisphenol A type epoxy resin 12 parts、Nano-calcium carbonate 14 parts、Dibutyl phthalate 10 parts、8 parts of acrylic acid、Rutile type titanium dioxide about 14 parts、Dcpd resin 10 parts、N-Methyl pyrrolidone 8 parts、M-diaminobenzene. 14 parts、Bis-phenol H type epoxy resin 10 parts、2-butyl-1,2-benzisothiazole-3-ketone 8 parts、Polydimethylsiloxane 14 parts、Semen Lini oil 10 parts、Isothiazolone 10 parts、NSC 5284 14 parts、Dimethylethanolamine 10 parts、Single Tryfac 5573 8 parts、Flake asbestos 14 parts、Methyl methacrylate 10 parts、Titanate coupling agent 8 parts、Mel 14 parts、Chloropropyl triethoxysilane about 10 parts、Oleum Ricini 15000 parts.
  4. nullComputer display fluid sealant the most according to claim 1，It is characterized in that: described computer display fluid sealant is made up of the component of following mass fraction: bisphenol A type epoxy resin 14 parts、Nano-calcium carbonate 16 parts、Dibutyl phthalate 12 parts、10 parts of acrylic acid、Rutile type titanium dioxide 16 parts、Dcpd resin 12 parts、N-Methyl pyrrolidone 10 parts、M-diaminobenzene. 16 parts、Bis-phenol H type epoxy resin 12 parts、2-butyl-1,2-benzisothiazole-3-ketone 10 parts、Polydimethylsiloxane 16 parts、Semen Lini oil 12 parts、Isothiazolone 12 parts、NSC 5284 16 parts、Dimethylethanolamine 12 parts、Single Tryfac 5573 10 parts、Flake asbestos 16 parts、Methyl methacrylate 12 parts、Titanate coupling agent 10 parts、Mel about 16 parts、Chloropropyl triethoxysilane 12 parts、Oleum Ricini 20000 parts.
  5. 5. according to the computer display fluid sealant described in Claims 1-4, it is characterised in that: described nano-calcium carbonate uses following preparation method to prepare, and step is as follows:
    (1) being placed in Muffle furnace by calcite and carry out calcination processing temperature about 1100～1300 DEG C, the process time 3～5h obtains lime powder；
    (2), after the lime powder obtained in step (1) being cooled to 50～80 DEG C, add it to, in the deionized water of 2000～8000 mass multiples, be sufficiently stirred for being configured to emulsion；
    (3) in the emulsion that step (3) obtains, the sodium sulfate that mass percent is 3～5% is added, it is placed in ice-water bath, detect temperature and the pH value of emulsion in real time, it is passed through carbon dioxide the most while stirring, when the pH value of liquid to be mixed is more than 5.0, add the polyvinyl alcohol that mass percent is 4～10%, until pH value to time neutral, stop being passed through carbon dioxide, keep 5～10 DEG C to continue stirring 30～60min；
    (4) final mixture decompression sucking filtration, the washing that will obtain in step (3), under the vacuum environment that vacuum is 0.05～0.12MPa, is dried process, dried temperature 60～80 DEG C, and the time is 2～4h, obtains described nano-calcium carbonate.
  6. 6. according to the computer display fluid sealant described in Claims 1-4, it is characterised in that: described Rutile type titanium dioxide is made up of the powder body of three kinds of particle diameter mesh numbers, and its particle diameter mesh number is respectively 30～50 mesh, 50～80 mesh, 80～100 mesh , the mixing quality ratio of above-mentioned three kinds of Rutile type titanium dioxide is 3～5:4～8:1.
  7. 7. according to the computer display fluid sealant described in Claims 1-4, it is characterised in that: the viscosity of described bisphenol A type epoxy resin is 10000～14000mpa.s at 25 DEG C.
  8. 8. according to the computer display fluid sealant described in Claims 1-4, it is characterised in that: described flake asbestos is made up of the powder body of three kinds of particle diameter mesh numbers, and its particle diameter mesh number is respectively 20～40 mesh, 40～60 mesh, 60～80 mesh , the mixing quality ratio of above-mentioned three kinds of flake asbestos is 2～4:2～4:1.
  9. 9. according to the computer display fluid sealant described in Claims 1-4, it is characterised in that: the viscosity of described bis-phenol H type epoxy resin is 12000～16000mpa.s at 25 DEG C.
  10. 10. according to the computer display fluid sealant described in claim 1 to 9, it is characterised in that: described computer display fluid sealant preparation method step is as follows:
    (1) bisphenol A type epoxy resin of described mass fraction, nano-calcium carbonate, dibutyl phthalate, acrylic acid, Rutile type titanium dioxide, dcpd resin, N-Methyl pyrrolidone, dimethylethanolamine, single Tryfac 5573, flake asbestos, titanate coupling agent are added in the Oleum Ricini of above-mentioned mass fraction, from room temperature to heat up the speed of 3～5 DEG C per hour, warming while stirring is to 70～90 DEG C, stir, then let cool to room temperature in the way of about 5～10 DEG C to lower the temperature per hour, obtain mixture A；
    (2) in mixture A, the polydimethylsiloxane of above-mentioned mass fraction, Semen Lini oil, isothiazolone, NSC 5284 are added, from room temperature to heat up the speed of 5～8 DEG C per hour, warming while stirring is to 80～90 DEG C, and keep 1～3h at 80～90 DEG C, naturally cool to room temperature, obtain mixture B；
    (3) in mixture B, add the m-diaminobenzene. of above-mentioned mass fraction, bis-phenol H type epoxy resin, 2-butyl-1,2-benzisothiazole-3-ketone, from room temperature to heat up the speed of 8～10 DEG C per hour, warming while stirring is to about 70～90 DEG C, 1～3h is kept in 70～90 DEG C under stirring, naturally cool to room temperature, obtain mixture C；
    (4) in mixture C, the remaining ingredient of above-mentioned mass fraction is added, under the vacuum condition that vacuum is-0.06～-0.1Mpa, from room temperature to heat up the speed of 1～3 DEG C per hour, warming while stirring is to 50～70 DEG C, stir, be cooled to room temperature, obtain this product.
CN201610300001.7A 2016-05-08 2016-05-08 Computer display screen sealant and preparation method thereof Pending CN105713556A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106634109A (en) * 2016-11-28 2017-05-10 四川正梁机械有限公司 Sealant for automobile part production and machining power distribution cabinet
CN107841283A (en) * 2017-11-06 2018-03-27 苏州甫众塑胶有限公司 It is packed for the preparation technology of fast sealing glue
CN108504316A (en) * 2018-04-04 2018-09-07 苏州捷德瑞精密机械有限公司 A kind of flame retardant type binder and preparation method thereof
CN112068722A (en) * 2019-06-11 2020-12-11 Oppo（重庆）智能科技有限公司 Electronic device and method for assembling electronic device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106634109A (en) * 2016-11-28 2017-05-10 四川正梁机械有限公司 Sealant for automobile part production and machining power distribution cabinet
CN107841283A (en) * 2017-11-06 2018-03-27 苏州甫众塑胶有限公司 It is packed for the preparation technology of fast sealing glue
CN108504316A (en) * 2018-04-04 2018-09-07 苏州捷德瑞精密机械有限公司 A kind of flame retardant type binder and preparation method thereof
CN112068722A (en) * 2019-06-11 2020-12-11 Oppo（重庆）智能科技有限公司 Electronic device and method for assembling electronic device

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