CN105419616B - A kind of mobile phone waterproof paint specially and its preparation technology - Google Patents
A kind of mobile phone waterproof paint specially and its preparation technology Download PDFInfo
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- CN105419616B CN105419616B CN201510959503.6A CN201510959503A CN105419616B CN 105419616 B CN105419616 B CN 105419616B CN 201510959503 A CN201510959503 A CN 201510959503A CN 105419616 B CN105419616 B CN 105419616B
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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
- C09D175/08—Polyurethanes from polyethers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/50—Polyethers having heteroatoms other than oxygen
- C08G18/5003—Polyethers having heteroatoms other than oxygen having halogens
- C08G18/5015—Polyethers having heteroatoms other than oxygen having halogens having fluorine atoms
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/61—Polysiloxanes
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
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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
- 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
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The present invention provides a kind of mobile phone waterproof paint specially, and described water-repellent paint includes component A and B component.The component A includes following raw material components：Hydroxy-terminated polysiloxane, fluorine-containing polyether glycol, HMDI, DBTL, solvent.The B component includes following raw material components：Silane coupler, nano silicon, solvent, curing agent.The water resistance of mobile phone waterproof paint specially of the present invention is good；The mobile phone handled by water-repellent paint of the present invention, after soaking 5 hours, remain able to normal work；The mobile phone handled by water-repellent paint of the present invention, soak 5min, after drying, then soaks, after continuous 5 times, remains able to normal work.
Description
Technical field
The present invention relates to a kind of water-repellent paint, more particularly to a kind of mobile phone waterproof paint specially and its preparation technology, belong to
Water-repellent paint field.
Background technology
Mobile phone is a kind of product of present science and technology, and its rapid development speed turns into work indispensable in people's life
Tool.Mobile phone not only plays the effect of Conventional communication, modern smart mobile phone, can take pictures, navigate, and is tourism, trip
Must be with instrument；It can play games, chat, be the indispensable instrument of amusement and recreation；Knowledge is may search for, is the indispensable instrument of study.
In a word, people be unable to do without mobile phone, so when mobile phone can not work because of a variety of causes, for the user
It will be unusual pain in the neck.And in the survey report made according to external research firm, because water inlet causes mobile phone damage row
In the second of the mobile phone source of damage.
It is well known that most of mobile phone does not have resistivity to water completely, i.e., it is non-watertight.Water be very easy to from button, in
The positions such as the gap of frame and front and back panel, USB port, earpiece holes, receiver, loudspeaker enter.With the lifting of technique and material, factory
Family have also been made many improvement to mobile phone waterproof, and handset can reduce button, and the gap of center and front and back panel as far as possible
Less and less, the processing mode of receiver and loudspeaker is then to add one layer of waterproof ventilated membrane, but can not still solve mobile phone well
Non-watertight problem.
Prior art has following defect:（1）Mobile phone is non-watertight, can not normal use after immersion；（2）Existing mobile phone
Plated film waterproof effect is bad；（3）Existing mobile phone plated film not stain resistant, easily pollution；（3）Existing mobile phone plated film is easy to aging, loses
Effect.
The content of the invention
For above technical problem, the present invention provides a kind of mobile phone waterproof paint specially and its preparation technology, with realize with
Lower goal of the invention：
（1）Solve the non-watertight problem of mobile phone, mobile phone is realized that immersion remains to normal work in 5 hours；
（2）Mobile phone realization is soaked 5 times repeatedly and remain to normal work；
（3）Meanwhile improve stain resistant, the ageing-resistant performance of mobile phone water-repellent paint.
For achieving the above object, the present invention provides following technical scheme：
A kind of mobile phone waterproof paint specially, described water-repellent paint include component A and B component.
It is the further improvement to above-mentioned technical proposal below：
The component A includes following raw material components：It is hydroxy-terminated polysiloxane, fluorine-containing polyether glycol, HMDI, DBTL, molten
Agent.
The B component includes following raw material components：Silane coupler, nano silicon 20~40, solvent, curing agent.
The component A, in parts by weight, including following raw material components：
10~25 parts of hydroxy-terminated polysiloxane, 30~55 parts of fluorine-containing polyether glycol, 8~20 parts of HMDI, DBTL 0.1~
0.2 part, 20~35 parts of solvent；
The B component, in parts by weight, including following raw material components：5~20 parts of silane coupler, nano silicon
20~40 parts, 25~50 parts of solvent, 15~35 parts of curing agent.
Described component A, in parts by weight, including following raw material components：
14 parts of hydroxy-terminated polysiloxane, 45 parts of fluorine-containing polyether glycol, 11 parts of HMDI, 0.1 part of DBTL, 25 parts of solvent；
Described B component, in parts by weight, including following raw material components：
11 parts of silane coupler, 20 parts of nano silicon, 34 parts of solvent, 25 parts of curing agent.
Described component A and B component, when in use, weight proportion is component A：B component=2.5：1~3.0:1.
Described curing agent is fatty modified amine curing agent, and total amine value is 420~480 mgKOH/g, and viscosity is at 25 DEG C
300~500 mpa.s；
Described solvent is isoparaffin solvent oil, and density is 0.756 g/cm3（15℃）, arene content is≤10
ppm。
A kind of preparation technology of mobile phone waterproof paint specially, it is characterised in that：Preparation technology and B component including component A
Preparation technology.
The preparation technology of the component A：
Hydroxy-terminated polysiloxane and fluorine-containing polyether glycol, under the conditions of 115 ± 5 DEG C, -0.08~-0.09MPa, vacuum
It is dehydrated 1.5h；Cool to 55~60 DEG C；Nitrogen is passed through, adds HMDI, with the r/min of rotating speed 75~80, stirs 10min；
DBTL is added, is warming up to 85~90 DEG C, reacts 2.5h；After being cooled to 55~60 DEG C, solvent is added；
Nitrogen is closed, vacuum defoamation 15min, vacuum pressure is -0.05~-0.06MPa；Component A is made.
The preparation technology of the B component：
Solvent is disperseed；Silane coupler is added, disperses 15min, rotating speed 400r/min；
Curing agent is added, disperses 10min, rotating speed 400r/min；
Open high speed shear, rotating speed 1200r/min；
Nano silicon is added, disperses 1h, it is 1200r/min to control rotating speed；
Then vacuum defoamation 5min, vacuum pressure are -0.05~-0.06MPa；B component is made.
Compared with prior art, the invention has the advantages that：
1st, the water resistance of mobile phone waterproof paint specially of the present invention is good；The mobile phone handled by water-repellent paint of the present invention, leaching
After water 5 hours, normal work is remained able to；The mobile phone handled by water-repellent paint of the present invention, soak 5min, after drying, then soaks
Water, after continuous 5 times, remain able to normal work；
2nd, the contaminated resistance of mobile phone waterproof paint specially of the present invention is good；
3rd, the resistance to UV and ageing properties of mobile phone waterproof paint specially of the present invention are good.
Embodiment
A kind of mobile phone waterproof paint specially of embodiment 1
Described water-repellent paint, including component A and B component；
Described component A, in parts by weight, including following raw material：
14 parts of hydroxy-terminated polysiloxane, 45 parts of fluorine-containing polyether glycol, 11 parts of HMDI, 0.1 part of DBTL, 25 parts of solvent.
Described B component, in parts by weight, including following raw material：
11 parts of silane coupler, 20 parts of nano silicon, 34 parts of solvent, 25 parts of curing agent.
The quality proportioning of component A and B component is component A during use：B component=2.5:1.
Described hydroxy-terminated polysiloxane is the fluorine-containing polyester polysiloxane of terminal hydroxy group；
Described fluorine-containing polyether glycol, hydroxyl value are 36~40 mgKOH/g；
Described HMDI is the methyl diphenylene diisocyanate of hydrogenated processing；
Described DBTL is dibutyl tin laurate；
The model of described silane coupler is kh550, and main component is 3- aminopropyl triethoxysilanes, flash-point 104
DEG C, content >=97%；
Described curing agent is fatty modified amine curing agent, and total amine value is 420~480 mgKOH/g, and viscosity is at 25 DEG C
300~500 mpa.s；
Described solvent is isoparaffin solvent oil, and density is 0.756 g/cm3（15℃）, arene content is≤10
ppm；
Described nano silicon, particle diameter are about 5nm.
A kind of mobile phone waterproof paint specially of embodiment 2
Described water-repellent paint, including component A and B component；
Described component A, in parts by weight, including following raw material：
10 parts of hydroxy-terminated polysiloxane, 30 parts of fluorine-containing polyether glycol, 8 parts of HMDI, 0.1 part of DBTL, 20 parts of solvent.
Described B component, in parts by weight, including following raw material：
5 parts of silane coupler, 29 parts of nano silicon, 25 parts of solvent, 15 parts of curing agent.
The quality proportioning of component A and B component is component A during use：B component=2.7:1.
Described hydroxy-terminated polysiloxane is the fluorine-containing polyester polysiloxane of terminal hydroxy group；
Described fluorine-containing polyether glycol, hydroxyl value are 36~40 mgKOH/g；
Described HMDI is the methyl diphenylene diisocyanate of hydrogenated processing；
Described DBTL is dibutyl tin laurate；
The model of described silane coupler is kh550, and main component is 3- aminopropyl triethoxysilanes, flash-point 104
DEG C, content >=97%；
Described curing agent is fatty modified amine curing agent, and total amine value is 420~480 mgKOH/g, and viscosity is at 25 DEG C
300~500 mpa.s；
Described solvent is isoparaffin solvent oil, and density is 0.756 g/cm3（15℃）, arene content is≤10
ppm；
Described nano silicon, particle diameter are about 5nm.
A kind of mobile phone waterproof paint specially of embodiment 3
Described water-repellent paint, including component A and B component；
Described component A, in parts by weight, including following raw material：
25 parts of hydroxy-terminated polysiloxane, 55 parts of fluorine-containing polyether glycol, 20 parts of HMDI, 0.2 part of DBTL, 35 parts of solvent.
Described B component, in parts by weight, including following raw material：
20 parts of silane coupler, 40 parts of nano silicon, 50 parts of solvent, 35 parts of curing agent.
The quality proportioning of component A and B component is component A during use：B component=3.0:1.
Described hydroxy-terminated polysiloxane is the fluorine-containing polyester polysiloxane of terminal hydroxy group；
Described fluorine-containing polyether glycol, hydroxyl value are 36~40 mgKOH/g；
Described HMDI is the methyl diphenylene diisocyanate of hydrogenated processing；
Described DBTL is dibutyl tin laurate；
The model of described silane coupler is kh550, and main component is 3- aminopropyl triethoxysilanes, flash-point 104
DEG C, content >=97%；
Described curing agent is fatty modified amine curing agent, and total amine value is 420~480 mgKOH/g, and viscosity is at 25 DEG C
300~500 mpa.s；
Described solvent is isoparaffin solvent oil, and density is 0.756 g/cm3（15℃）, arene content is≤10
ppm；
Described nano silicon, particle diameter are about 5nm.
A kind of preparation technology of mobile phone waterproof paint specially of embodiment 4
The preparation technology of the water-repellent paint is as follows：
The preparation technology of component A：
Each raw material is weighed by the composition of raw materials of component A；
In four-hole boiling flask add hydroxy-terminated polysiloxane, fluorine-containing polyether glycol, 115 ± 5 DEG C, -0.08~-
Under the conditions of 0.09MPa, vacuum dehydration 1.5h；
Four-hole boiling flask is cooled to 55~60 DEG C；After being passed through nitrogen, HMDI is added, opens electric mixer stirring, rotating speed
75~80 r/min, after stirring 10min；
DBTL is added to four-hole boiling flask, is heated using thermostatical oil bath, is warming up to 85~90 DEG C, reacts 2.5h；
After natural cooling is cooled to 55~60 DEG C, solvent is added；
Nitrogen is closed, vacuum defoamation 15min, vacuum pressure is -0.05~-0.06MPa；
Discharging.
The preparation technology of B component：
Each raw material is weighed by the composition of raw materials of B component；
Solvent is added in scattered cup, opens high speed dispersor, speed of agitator 400r/min；
Silane coupler is added, disperses 15min, rotating speed 400r/min；
Curing agent is added, disperses 10min, rotating speed 400r/min；
Open high speed shear, rotating speed 1200r/min；
Nano silicon is slowly added to, disperses 1h, it is 1200r/min to control rotating speed；
Then scattered cup is put into deaeration container, while stirring vacuum defoamation 5min, vacuum pressure be -0.05~-
0.06MPa；
Discharging.
As a result detect：
（1）The mobile phone waterproof paint specially prepared according to embodiment 1-3 is subjected to water-proofing treatment to mobile phone, soaked
Water performance detection, by checking whether energy normal work after mobile phone immersion is handled to judge water resistance, testing result such as table 1
Shown in；
Table 1
By table 1, the water resistance of mobile phone waterproof paint specially of the present invention is good；At water-repellent paint of the present invention
The mobile phone of reason, after soaking 5 hours, remain able to normal work；The mobile phone handled by water-repellent paint of the present invention, soak 5min,
After drying, then soak, after continuous 5 times, remain able to normal work.
（2）The detection of anti-pollution characteristic and ageing-resistant performance is carried out to embodiment 1-3 water-repellent paint, respectively by water-repellent paint
The mobile phone of processing carries out resistant experiment and ageing-resistant experiment, with reference to the examination of GB/T 9780-2013 building coating coatings stain resistance
Proved recipe method carries out anti-pollution characteristic experiment；Exposed with reference to GB/T 1865-2009 paint and varnish artificial weathering agings and man-made radiation
Method 1 in dew（Artificial weathering aging）Carry out artificial ageing resistance performance test；
Experimental result is shown in Table 2；
Table 2
From table 2, the mobile phone after being handled using the present invention has obvious anti-pollution characteristic, moreover, waterproof coating is resistance to old
It is good to change performance.
It should be noted that patent of the present invention, in addition to having Special Statement, the raw material proportioning of the water-repellent paint is according to weight
Amount part is calculated.
In the above-described embodiments, the preferred forms of the present invention are described, it is obvious that in the invention structure of the present invention
Under think of, many changes can be still made.Here, it should be noted that any change made under the inventive concept of the present invention all will
Fall within the scope of protection of the present invention.
Claims (5)
- A kind of 1. mobile phone waterproof paint specially, it is characterised in that：Described water-repellent paint includes component A and B component；The component A, in parts by weight, including following raw material components：10~25 parts of hydroxy-terminated polysiloxane, 30~55 parts of fluorine-containing polyether glycol, 8~20 parts of HMDI, DBTL 0.1~0.2 Part, 20~35 parts of solvent；The B component, in parts by weight, including following raw material components：5~20 parts of silane coupler, nano silicon 20~ 40 parts, 25~50 parts of solvent, 15~35 parts of curing agent；Described component A and B component, when in use, weight proportion is component A：B component=2.5：1~3.0:1；Described curing agent is fatty modified amine curing agent, and total amine value is 420~480 mgKOH/g, viscosity is 300 at 25 DEG C~ 500 mPa·s；Described solvent is isoparaffin solvent oil, and density is 0.756 g/cm3, arene content is≤10 ppm；The model of described silane coupler is kh550, and main component is 3- aminopropyl triethoxysilanes, 104 DEG C of flash-point, is contained Amount >=97%；Described hydroxy-terminated polysiloxane is the fluorine-containing polyester polysiloxane of terminal hydroxy group；Described nano silicon, particle diameter 5nm；The mobile phone handled by described water-repellent paint, after soaking 5 hours, remain able to normal work；At water-repellent paint The mobile phone of reason, soak 5min, after drying, then soaks, after continuous 5 times, remains able to normal work.
- A kind of 2. mobile phone waterproof paint specially according to claim 1, it is characterised in that：Described component A, in parts by weight, including following raw material components：14 parts of hydroxy-terminated polysiloxane, 45 parts of fluorine-containing polyether glycol, 11 parts of HMDI, 0.1 part of DBTL, 25 parts of solvent；Described B component, in parts by weight, including following raw material components：11 parts of silane coupler, 20 parts of nano silicon, 34 parts of solvent, 25 parts of curing agent.
- A kind of 3. preparation technology of mobile phone waterproof paint specially according to claim 1, it is characterised in that：Including component A Preparation technology and B component preparation technology.
- A kind of 4. preparation technology of mobile phone waterproof paint specially according to claim 3, it is characterised in that：The component A Preparation technology：Hydroxy-terminated polysiloxane and fluorine-containing polyether glycol, under the conditions of 115 ± 5 DEG C, -0.08~-0.09MPa, vacuum dehydration 1.5±0.5h；Cool to 55~60 DEG C；Nitrogen is passed through, adds HMDI, with the r/min of rotating speed 75~80, stirs 10 ± 1min；DBTL is added, is warming up to 85~90 DEG C, reacts 2.5 ± 0.5h；After being cooled to 55~60 DEG C, solvent is added；Nitrogen is closed, 15 ± 1min of vacuum defoamation, vacuum pressure is -0.05~-0.06MPa；Component A is made.
- A kind of 5. preparation technology of mobile phone waterproof paint specially according to claim 3, it is characterised in that：The B component Preparation technology：Solvent is disperseed；Silane coupler is added, disperses 15 ± 5min, rotating speed is 400 ± 50r/min；Curing agent is added, disperses 10 ± 1min, rotating speed is 400 ± 50r/min；High speed shear is opened, rotating speed is 1200 ± 50r/min；Nano silicon is added, disperses 60 ± 5min, it is 1200 ± 50r/min to control rotating speed；Then 5 ± 1min of vacuum defoamation, vacuum pressure are -0.05~-0.06MPa；B component is made.
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| CN106221562A (en) * | 2016-08-23 | 2016-12-14 | 云台科技（深圳）有限公司 | A kind of use for electronic products nano water-proof liquid and waterproof method thereof |
| CN108727960A (en) * | 2018-06-13 | 2018-11-02 | 合肥仁德电子科技有限公司 | A kind of water-repellent paint and preparation method thereof for phone housing |
| CN112159199A (en) * | 2019-07-02 | 2021-01-01 | 广州科德科技有限公司 | Hexagonal matrix self-repairing permeable crystallization multifunctional waterproof agent and preparation method thereof |
| CN111804170B (en) * | 2020-07-17 | 2021-05-25 | 日照北方创信防水科技有限公司 | Preparation process of waterproof coating |
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| CN101096585A (en) * | 2007-06-22 | 2008-01-02 | 中国科学院广州化学研究所 | Nano organic montmorillonite modified end-silicane-group organosilicon modified polyurethane type seal gum and preparation method thereof |
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Address after: 262735 Taitou Town, Shouguang City, Weifang City, Shandong Province, 2000 meters west of the government Patentee after: Hongyuan Waterproof Technology Group Co., Ltd. Address before: 262735 Taitou Town, Shouguang City, Weifang City, Shandong Province, 2000 meters west of the government Patentee before: Weifang Hongyuan Waterproof Material Co., Ltd. |
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Denomination of invention: A special waterproof coating for mobile phone and its preparation process Effective date of registration: 20220329 Granted publication date: 20180403 Pledgee: Zhejiang Commercial Bank Co.,Ltd. Weifang branch Pledgor: HONGYUAN WATERPROOF TECHNOLOGY GROUP Co.,Ltd. Registration number: Y2022980003440 |
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