CN108003665A - A kind of surface modifying method of nano-ceramic powder - Google Patents

A kind of surface modifying method of nano-ceramic powder Download PDF

Info

Publication number
CN108003665A
CN108003665A CN201711398726.5A CN201711398726A CN108003665A CN 108003665 A CN108003665 A CN 108003665A CN 201711398726 A CN201711398726 A CN 201711398726A CN 108003665 A CN108003665 A CN 108003665A
Authority
CN
China
Prior art keywords
nano
ceramic powder
surface modifying
modifying method
processing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201711398726.5A
Other languages
Chinese (zh)
Inventor
周艺桃
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zongyang Sanjin Pigment Co Ltd
Original Assignee
Zongyang Sanjin Pigment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zongyang Sanjin Pigment Co Ltd filed Critical Zongyang Sanjin Pigment Co Ltd
Priority to CN201711398726.5A priority Critical patent/CN108003665A/en
Publication of CN108003665A publication Critical patent/CN108003665A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/40Compounds of aluminium
    • C09C1/42Clays
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/006Combinations of treatments provided for in groups C09C3/04 - C09C3/12
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/06Treatment with inorganic compounds
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/08Treatment with low-molecular-weight non-polymer organic compounds
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09CTREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/10Treatment with macromolecular organic compounds

Abstract

The invention discloses a kind of surface modifying method of nano-ceramic powder, include the following steps:(1)Surface activation process,(2)Modification liquid preparation,(3)Surface modification treatment,(4)Drying process.The present invention has carried out special modification to the surface of nano-ceramic powder, effectively improve the surface-active of nano-ceramic powder, improve its dispersing uniformity and respond in coating, enhance the effect that its filling uses, and then the quality of coating is improved, have good value for applications.

Description

A kind of surface modifying method of nano-ceramic powder
Technical field
The invention belongs to ceramic processing techniques field, and in particular to a kind of surface modifying method of nano-ceramic powder.
Background technology
Nano-ceramic powder is that have nanometer scale between solid and molecule(0.1~100nm)Size it is metastable State intermediate material.With the fine of powder, its Electronic Structure and crystal structure change, and generate bulk material institute The special effect not having.Well use characteristic since nano-ceramic powder has, and be widely used in building, coating, The fields such as composite material.In order to improve the use quality of coating, nano-ceramic powder is introduced and added by people, and is achieved certain Effect, but because nano ceramics powder particles are small, easy reunion, cause dispersion effect bad, it is corresponding for qualities such as the mechanics of coating Improvement still have large improvement space, this people can be carried out with surface modification treatment when its filling uses, it is most common just It is to carry out surface coupling modifier processing with silane coupling agent, although the filling for improving nano-ceramic powder uses quality, with The continuous lifting that people require for coating property, conventional surface modifying treatment can not meet the need that design uses Ask.
The content of the invention
The purpose of the present invention is for it is existing the problem of, there is provided a kind of surface modifying method of nano-ceramic powder.
The present invention is achieved by the following technical solutions:
A kind of surface modifying method of nano-ceramic powder, includes the following steps:
(1)Surface activation process:
Nano-ceramic powder is put into phosphoric acid solution, is filtered out after 6 ~ 8min of immersion treatment, then puts it into ultraviolet spoke According to radiation treatment is carried out in instrument, taken out after 10 ~ 15min spare;
(2)Modification liquid is prepared:
Methyl hexadecanoate and glycerine are put into reaction kettle jointly, then add the potassium hydroxide of its gross mass 2 ~ 4%, constantly After 8 ~ 12min of stir process, then acrylic polyoxyethylene ether is added into reaction kettle, while the temperature of reaction kettle is heated and is kept For 80 ~ 85 DEG C, and the pressure in reaction kettle is risen into 0.4 ~ 0.5MPa, modification liquid is taken out to obtain after being stirred continuously 30 ~ 35min of processing It is spare;
(3)Surface modification treatment:
By step(1)Nano-ceramic powder after processing is immersed in step(2)In obtained modification liquid, heating keeps the temperature of modification liquid Spend for 65 ~ 70 DEG C, filtered after 1 ~ 1.5h of immersion treatment, it is spare to obtain filter residue;
(4)Drying process:
By step(3)The filter residue of gained, which is put into drying box, is dried processing, and it is 90 ~ 95 to keep the temperature in drying box DEG C, taken out after handling 1 ~ 2h.
Further, step(1)Described in phosphoric acid solution mass fraction be 8 ~ 10%, while immersion treatment also High-speed stirred processing is carried out, the rotating speed for controlling high-speed stirred is 2000 ~ 2400 revs/min.
Further, step(1)Described in the output power of ultraviolet irradiation instrument be 1800 ~ 2000W, ultraviolet Wavelength is 270 ~ 290nm.
Further, step(2)Described in methyl hexadecanoate and glycerine mixing molar ratio be 2.2 ~ 2.7:1.
Further, step(2)Described in the addition of acrylic polyoxyethylene ether be methyl hexadecanoate gross mass 23~27%。
Further, step(3)Described in also carry out ultrasonic irradiation processing while immersion treatment, control ultrasound The frequency of ripple is 140 ~ 150kHz.
Further, step(4)Described in drying process when the thickness that tiles in drying box of control filter residue be not more than 5cm。
The present invention has carried out nano-ceramic powder special surface modification treatment, wherein first carrying out acid soak to it, goes Except the impurity on surface, pre-activate is realized, ultraviolet irradiation processing has then been carried out, using high energy ultraviolet to nano ceramics Powder has carried out re-activation processing, improves the reaction active groups content and species on nano-ceramic powder surface, improves its work Property, beneficial to follow-up modification, a kind of special modification liquid is then prepared, it is a kind of tripalmitin polyoxyethylene Ether activator solution, can effectively change the surface hydrophilicity of nano-ceramic powder, enhance its lipophile, and improve its surface Reactivity and dispersiveness, enhance its filling in coating and use quality.
The present invention has the following advantages compared with prior art:
The present invention has carried out special modification to the surface of nano-ceramic powder, and the surface for effectively improving nano-ceramic powder is lived Property, its dispersing uniformity and respond in coating is improved, enhances the effect that its filling uses, and then improves painting The quality of material, has good value for applications.
Embodiment
Embodiment 1
A kind of surface modifying method of nano-ceramic powder, includes the following steps:
(1)Surface activation process:
Nano-ceramic powder is put into phosphoric acid solution, is filtered out after immersion treatment 6min, then puts it into ultraviolet irradiation Radiation treatment is carried out in instrument, is taken out after 10min spare;
(2)Modification liquid is prepared:
Methyl hexadecanoate and glycerine are put into reaction kettle jointly, the potassium hydroxide of its gross mass 2% is then added, constantly stirs After mixing processing 8min, then acrylic polyoxyethylene ether is added into reaction kettle, while the temperature heating of reaction kettle is remained 80 DEG C, and the pressure in reaction kettle is risen into 0.4MPa, be stirred continuously after processing 30min take out modification liquid is spare;
(3)Surface modification treatment:
By step(1)Nano-ceramic powder after processing is immersed in step(2)In obtained modification liquid, heating keeps the temperature of modification liquid Spend for 65 DEG C, filtered after immersion treatment 1h, it is spare to obtain filter residue;
(4)Drying process:
By step(3)The filter residue of gained, which is put into drying box, is dried processing, and it is 90 DEG C to keep the temperature in drying box, place Taken out after managing 1h.
Further, step(1)Described in phosphoric acid solution mass fraction be 8%, also carried out while immersion treatment High-speed stirred processing, the rotating speed for controlling high-speed stirred are 2000 revs/min.
Further, step(1)Described in the output power of ultraviolet irradiation instrument be 1800W, the wavelength of ultraviolet For 270 ~ 275nm.
Further, step(2)Described in methyl hexadecanoate and glycerine mixing molar ratio be 2.2:1.
Further, step(2)Described in the addition of acrylic polyoxyethylene ether be methyl hexadecanoate gross mass 23%。
Further, step(3)Described in also carry out ultrasonic irradiation processing while immersion treatment, control ultrasound The frequency of ripple is 140kHz.
Further, step(4)Described in drying process when the thickness that tiles in drying box of control filter residue be not more than 5cm。
Embodiment 2
A kind of surface modifying method of nano-ceramic powder, includes the following steps:
(1)Surface activation process:
Nano-ceramic powder is put into phosphoric acid solution, is filtered out after immersion treatment 7min, then puts it into ultraviolet irradiation Radiation treatment is carried out in instrument, is taken out after 13min spare;
(2)Modification liquid is prepared:
Methyl hexadecanoate and glycerine are put into reaction kettle jointly, the potassium hydroxide of its gross mass 3% is then added, constantly stirs After mixing processing 10min, then acrylic polyoxyethylene ether is added into reaction kettle, while the temperature heating of reaction kettle is remained 82 DEG C, and the pressure in reaction kettle is risen into 0.45MPa, be stirred continuously after processing 33min take out modification liquid is spare;
(3)Surface modification treatment:
By step(1)Nano-ceramic powder after processing is immersed in step(2)In obtained modification liquid, heating keeps the temperature of modification liquid Spend for 67 DEG C, filtered after immersion treatment 1.2h, it is spare to obtain filter residue;
(4)Drying process:
By step(3)The filter residue of gained, which is put into drying box, is dried processing, and it is 92 DEG C to keep the temperature in drying box, place Taken out after managing 1.6h.
Further, step(1)Described in phosphoric acid solution mass fraction be 9%, also carried out while immersion treatment High-speed stirred processing, the rotating speed for controlling high-speed stirred are 2200 revs/min.
Further, step(1)Described in the output power of ultraviolet irradiation instrument be 1900W, the wavelength of ultraviolet For 275 ~ 280nm.
Further, step(2)Described in methyl hexadecanoate and glycerine mixing molar ratio be 2.6:1.
Further, step(2)Described in the addition of acrylic polyoxyethylene ether be methyl hexadecanoate gross mass 25%。
Further, step(3)Described in also carry out ultrasonic irradiation processing while immersion treatment, control ultrasound The frequency of ripple is 145kHz.
Further, step(4)Described in drying process when the thickness that tiles in drying box of control filter residue be not more than 5cm。
Embodiment 3
A kind of surface modifying method of nano-ceramic powder, includes the following steps:
(1)Surface activation process:
Nano-ceramic powder is put into phosphoric acid solution, is filtered out after immersion treatment 8min, then puts it into ultraviolet irradiation Radiation treatment is carried out in instrument, is taken out after 15min spare;
(2)Modification liquid is prepared:
Methyl hexadecanoate and glycerine are put into reaction kettle jointly, the potassium hydroxide of its gross mass 4% is then added, constantly stirs After mixing processing 12min, then acrylic polyoxyethylene ether is added into reaction kettle, while the temperature heating of reaction kettle is remained 85 DEG C, and the pressure in reaction kettle is risen into 0.5MPa, be stirred continuously after processing 35min take out modification liquid is spare;
(3)Surface modification treatment:
By step(1)Nano-ceramic powder after processing is immersed in step(2)In obtained modification liquid, heating keeps the temperature of modification liquid Spend for 70 DEG C, filtered after immersion treatment 1.5h, it is spare to obtain filter residue;
(4)Drying process:
By step(3)The filter residue of gained, which is put into drying box, is dried processing, and it is 95 DEG C to keep the temperature in drying box, place Taken out after managing 2h.
Further, step(1)Described in phosphoric acid solution mass fraction be 10%, while immersion treatment also into The processing of row high-speed stirred, the rotating speed for controlling high-speed stirred are 2400 revs/min.
Further, step(1)Described in the output power of ultraviolet irradiation instrument be 2000W, the wavelength of ultraviolet For 285 ~ 290nm.
Further, step(2)Described in methyl hexadecanoate and glycerine mixing molar ratio be 2.7:1.
Further, step(2)Described in the addition of acrylic polyoxyethylene ether be methyl hexadecanoate gross mass 27%。
Further, step(3)Described in also carry out ultrasonic irradiation processing while immersion treatment, control ultrasound The frequency of ripple is 150kHz.
Further, step(4)Described in drying process when the thickness that tiles in drying box of control filter residue be not more than 5cm。
Comparative example 1
This comparative example 1 compared with Example 2, eliminates step(1)Surface activation process, method and step in addition are homogeneous Together.
Comparative example 2
This comparative example 2 compared with Example 2, in step(3)With commercially available silane coupling agent kh550 in surface modification treatment Substituting modification liquid component, method and step all same in addition.
Control group
Existing nano-ceramic powder surface modifying treatment, specifically first by ethanol, silane coupling agent kh550, water according to weight Measure ratio 1:2:10 carry out being mixed to prepare treatment fluid, and then nano-ceramic powder is immersed in treatment fluid, ultrasonic under mechanical stirring Filtered out after decentralized processing 20min, drying.
In order to contrast effect of the present invention, above-described embodiment 2, comparative example 1, comparative example 2, control group are corresponded into system The nano-ceramic powder obtained is used in the making of coating, specifically corresponds to epoxy resin, nano-ceramic powder, curing agent, thixotropic agent According to weight ratio 100:15:2:3, which carry out mixing, is put into agitator tank, to be taken after 800 revs/min of rotating speed stir process 1h Go out, coating is made, finally the characteristic of coating is tested, specific correction data is as shown in table 1 below:
Table 1
Hardness after curing(H) Wearability(Ten thousand times) Thermal shock(It is secondary)
Embodiment 2 7H 6.88 158
Comparative example 1 6H 6.12 132
Comparative example 2 5H 5.54 120
Control group 5H 5.32 110
Note:Wearability described in upper table 1 is to scrape wiper heavy burden 5.2kg with 3M to carry out frictional experiment;The thermal shock is 25 DEG C/350 DEG C cold cycling treatments are carried out, average minimum cycle-index when observation coating is without exception.
Nano-ceramic powder after the method for the present invention processing it can be seen from upper table 1, which has preferably to fill, uses quality, has Effect enhances the performance of coating, great application value.

Claims (7)

1. a kind of surface modifying method of nano-ceramic powder, it is characterised in that include the following steps:
(1)Surface activation process:
Nano-ceramic powder is put into phosphoric acid solution, is filtered out after 6 ~ 8min of immersion treatment, then puts it into ultraviolet spoke According to radiation treatment is carried out in instrument, taken out after 10 ~ 15min spare;
(2)Modification liquid is prepared:
Methyl hexadecanoate and glycerine are put into reaction kettle jointly, then add the potassium hydroxide of its gross mass 2 ~ 4%, constantly After 8 ~ 12min of stir process, then acrylic polyoxyethylene ether is added into reaction kettle, while the temperature of reaction kettle is heated and is kept For 80 ~ 85 DEG C, and the pressure in reaction kettle is risen into 0.4 ~ 0.5MPa, modification liquid is taken out to obtain after being stirred continuously 30 ~ 35min of processing It is spare;
(3)Surface modification treatment:
By step(1)Nano-ceramic powder after processing is immersed in step(2)In obtained modification liquid, heating keeps the temperature of modification liquid Spend for 65 ~ 70 DEG C, filtered after 1 ~ 1.5h of immersion treatment, it is spare to obtain filter residue;
(4)Drying process:
By step(3)The filter residue of gained, which is put into drying box, is dried processing, and it is 90 ~ 95 to keep the temperature in drying box DEG C, taken out after handling 1 ~ 2h.
A kind of 2. surface modifying method of nano-ceramic powder according to claim 1, it is characterised in that step(1)Middle institute The mass fraction for the phosphoric acid solution stated is 8 ~ 10%, and high-speed stirred processing is also carried out while immersion treatment, controls high-speed stirred Rotating speed be 2000 ~ 2400 revs/min.
A kind of 3. surface modifying method of nano-ceramic powder according to claim 1, it is characterised in that step(1)Middle institute The output power for the ultraviolet irradiation instrument stated is 1800 ~ 2000W, and the wavelength of ultraviolet is 270 ~ 290nm.
A kind of 4. surface modifying method of nano-ceramic powder according to claim 1, it is characterised in that step(2)Middle institute The molar ratio for methyl hexadecanoate and the glycerine mixing stated is 2.2 ~ 2.7:1.
A kind of 5. surface modifying method of nano-ceramic powder according to claim 1, it is characterised in that step(2)Middle institute The addition for the acrylic polyoxyethylene ether stated is the 23 ~ 27% of methyl hexadecanoate gross mass.
A kind of 6. surface modifying method of nano-ceramic powder according to claim 1, it is characterised in that step(3)Middle institute That states also carries out ultrasonic irradiation processing while immersion treatment, and the frequency for controlling ultrasonic wave is 140 ~ 150kHz.
A kind of 7. surface modifying method of nano-ceramic powder according to claim 1, it is characterised in that step(4)Middle institute The thickness for controlling filter residue to tile in drying box during the drying process stated is not more than 5cm.
CN201711398726.5A 2017-12-22 2017-12-22 A kind of surface modifying method of nano-ceramic powder Withdrawn CN108003665A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711398726.5A CN108003665A (en) 2017-12-22 2017-12-22 A kind of surface modifying method of nano-ceramic powder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711398726.5A CN108003665A (en) 2017-12-22 2017-12-22 A kind of surface modifying method of nano-ceramic powder

Publications (1)

Publication Number Publication Date
CN108003665A true CN108003665A (en) 2018-05-08

Family

ID=62060406

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711398726.5A Withdrawn CN108003665A (en) 2017-12-22 2017-12-22 A kind of surface modifying method of nano-ceramic powder

Country Status (1)

Country Link
CN (1) CN108003665A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108752723A (en) * 2018-05-28 2018-11-06 赵锋 A kind of preparation method of thermal conductivity plastic composite
CN108997783A (en) * 2018-05-28 2018-12-14 赵锋 A kind of processing method of the inorganic pigment for dyeing of plastics
CN112853227A (en) * 2021-01-09 2021-05-28 广州慧能新材料科技有限公司 Corrosion-resistant powder metallurgy composite material and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1473883A (en) * 2003-07-01 2004-02-11 上海华明高技术(集团)有限公司 Method for increasing dispersiveness of inorganic oxide powder in organic medium
CN103304711A (en) * 2013-06-19 2013-09-18 中南大学 Preparation method of resin-wrapped aluminum hydroxide
CN107311521A (en) * 2017-07-12 2017-11-03 合肥雅克丽新型建材有限公司 A kind of preparation method of novel anticorrosion insulation material

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1473883A (en) * 2003-07-01 2004-02-11 上海华明高技术(集团)有限公司 Method for increasing dispersiveness of inorganic oxide powder in organic medium
CN103304711A (en) * 2013-06-19 2013-09-18 中南大学 Preparation method of resin-wrapped aluminum hydroxide
CN107311521A (en) * 2017-07-12 2017-11-03 合肥雅克丽新型建材有限公司 A kind of preparation method of novel anticorrosion insulation material

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108752723A (en) * 2018-05-28 2018-11-06 赵锋 A kind of preparation method of thermal conductivity plastic composite
CN108997783A (en) * 2018-05-28 2018-12-14 赵锋 A kind of processing method of the inorganic pigment for dyeing of plastics
CN112853227A (en) * 2021-01-09 2021-05-28 广州慧能新材料科技有限公司 Corrosion-resistant powder metallurgy composite material and preparation method thereof

Similar Documents

Publication Publication Date Title
CN108003665A (en) A kind of surface modifying method of nano-ceramic powder
CN107299340B (en) A kind of surface treatment method of steel
CN105038440B (en) A kind of preparation method of polytetrafluoroethylmodified modified chromium-free Dyclo paint and its composite coating
CN105349036B (en) Water-based transparent super-amphiphobic nano-paint and preparation method and application thereof
CN102977774B (en) A kind of modified silanized surface pretreatment agent containing octadecane alcohol radical Soxylat A 25-7 and preparation method thereof
CN108752988A (en) A kind of preparation method of super-hydrophobic silicon colloidal sol and super-hydrophobic coat
CN106518126A (en) Method for preparing whisker reinforced quartz composite ceramic wave-transmitting material
CN105856086A (en) Producing technology of high-precision diamond grinding disc using metal adhesive
CN106835684A (en) A kind of carbon fiber surface coats processing method
CN107012453A (en) A kind of method that green low temperature quickly prepares phosphating coat
CN107400894A (en) A kind of surface anticorrosive treatment method of aluminium alloy pump cover
CN107012456A (en) Metal surface pretreating reagent that a kind of alkoxyl silicone ethyl Polyhedral Oligomeric silsesquioxane is modified and preparation method thereof, application
CN106590226A (en) Halloysite nanotube-added abrasion-resistant type strippable macromolecular antirust film
CN106432588A (en) Preparation method of acrylic emulsion for damping paints
CN103554910B (en) A kind of artificial dielectric material and preparation method thereof
CN108726567B (en) Environment-friendly high-strength easily-dispersible nano zirconium oxide material
CN105729317A (en) Machining process for super-hard diamond grinding wheel
CN106634128A (en) Anti-corrosion metal coating for hydraulic cylinder and preparation method thereof
CN115232489A (en) Low-temperature curing composite coating, preparation method thereof and coating
CN105199540A (en) Method for preparing fluorosilane-modified HZSM-5 molecular sieve epoxy resin for magnesium-lithium alloy surface coating
CN106283015A (en) A kind of hydroxyapatite resistance rust solution and preparation method thereof
CN109721895A (en) Graphene/Ceramic Composite dielectric film and preparation method thereof applied to capacitor
CN108863355A (en) A kind of preparation method for the modified Nano zirconium oxide being used to prepare high-strength ceramic
CN104774024B (en) Preparation process of tubular water treatment membranes
CN108299935A (en) A kind of preparation method of the filler of reinforced resin coating intensity

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20180508

WW01 Invention patent application withdrawn after publication