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A kind of high-performance organosilicon-fluorine nano-coating and its application

A nano-coating and organosilicon technology, used in polyether coatings, anti-corrosion coatings, anti-fouling/underwater coatings, etc., can solve problems such as easy peeling, poor wear resistance and durability, and restricted use prospects.

Active Publication Date: 2019-05-17
矽时代材料科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The use of fluorine-containing silane to treat the substrate makes the product anti-oil, anti-fouling, waterproof and anti-pollution. It has been applied to glass, ceramics, electronic components and optical components, such as US Patent No.5,274,159, No.6,200,884, No.3.646, 085 and No. 3,950,588 all use fluorinated alkoxysilanes (including fluorinated alkoxysilanes and perfluoropolyether silanes, etc.) to prepare coating compositions to form a monomolecular layer or an extremely thin coating on the substrate to achieve moisture resistance , anti-oil, anti-pollution, dust resistance, dirt resistance, anti-fingerprint adhesion and other properties; , ceramics, building exterior walls and automobile surfaces) are easy to fall off when in contact, so the use prospects are restricted

Method used

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  • A kind of high-performance organosilicon-fluorine nano-coating and its application
  • A kind of high-performance organosilicon-fluorine nano-coating and its application
  • A kind of high-performance organosilicon-fluorine nano-coating and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0062] Perfluoropolyether siloxane resin F1, the molecular structure is as follows:

[0063]

[0064] Wherein m=10-50, n=5-100.

[0065] The synthesis method can be carried out according to the general perfluoropolyether compound and organosilicon compound hydrosilylation reaction conditions. The synthesis of fluorine-containing cage polysilsesquioxane (F-POSS) has the following molecular structure:

[0066]

[0067] Made of perfluorooctyltrimethoxysilane (C 8 f 17 CH 2 CH 2 Si(OCH 3 ) 3 , Perfluorooctyltriethoxysilane C 8 f 17 CH 2 CH 2 Si(OCH 2 CH 3 ) 3 The reaction is obtained, Rf represents -CH 2 CH 2 C 8 f 17 group.

[0068] The synthetic steps of F-POSS with reactive groups are specifically:

[0069] Add the purified perfluorooctyl polysilsesquioxane into a fluorine-containing solvent to dissolve, raise the temperature to 45°C, add an appropriate amount of acidic catalyst (trifluoromethanesulfonic acid, etc.), and stop the reaction after 60 minut...

Embodiment 2

[0075] Synthesis of perfluoropolyether siloxane resin F2, the molecular structure is as follows:

[0076]

[0077] Wherein R1 is methyl, ethyl; R2 is methyl; R3 is H; a=2 or 3.

[0078] Fluorine-containing cage polysilsesquioxane (F-POSS), the molecular structure is as follows:

[0079]

[0080] Made of perfluorohexyltrimethoxysilane (C 6 f 13 CH 2 CH 2 Si(OCH 3 ) 3 , Perfluorohexyltriethoxysilane C 6 f 13 CH 2 CH 2 Si(OCH 2 CH 3 ) 3 The reaction is obtained, R f for -CH 2 CH 2 C 6 f 13 .

[0081] The formula design of organic silicon fluorine nano coating is as follows:

[0082] substance

[0083] Wherein, solvent is identical with embodiment 1; Additive is identical with embodiment 1.

Embodiment 3

[0085] Synthesis of perfluoropolyether siloxane resin F3, the molecular structure is as follows:

[0086]

[0087] Where n=5-100.

[0088]Fluorine-containing cage polysilsesquioxane (F-POSS) with active reactive groups, the molecular structure is as follows:

[0089]

[0090] where R f for -CH 2 CH 2 C 6 f 13 or -CH 2 CH 2 C 8 f 17 ,T f It is a condensation group of trifluoromethanesulfonic acid.

[0091] The formula design of organic silicon fluorine nano coating is as follows:

[0092]

[0093]

[0094] Wherein, solvent is identical with embodiment 1; Additive is identical with embodiment 1.

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Abstract

The invention provides a high performance organic silicon-fluorine nano-paint which is prepared from the following raw materials in percentage by weight: 0.1 to 5 percent of perfluoropolyether siloxane resin, 0.01 to 1 percent of fluorine containing polyhedral oligomeric silsesquioxane, 90 to 99.84 percent of solvent and 0.05 to 4 percent of additive agent. The organic silicon-fluorine coating prepared by the high performance organic silicon-fluorine nano-paint disclosed by the invention is excellent in hydrophobic and antifouling performance, anti-fingerprint performance and durability.

Description

technical field [0001] The invention belongs to the technical field of organosilicon-fluorine coatings, and more specifically relates to a high-performance organosilicon-fluorine nano-coating and its application. Background technique [0002] In actual production and application, hard materials such as building exterior walls, glass, electronic components, automobiles, and ceramics are often exposed to various media, including water, organic solvents, sweat stains, dust, etc., which affect the safe use and safety of materials. Aesthetic performance is affected. For example, on PCB boards and most electronic components, moisture, acidic or alkaline gases, and oil stains in the air and the environment will cause deliquescence, corrosion, and pollution of the materials, affecting the electrical performance and safe use of the product; on the touch display screen And most organic / inorganic glass materials (including mobile phone screens, computers, TV screens, windows, high-ris...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D183/12C09D171/00C09D7/63C09D5/08C09D5/16C08G81/00
CPCC08G81/00C08K5/549C09D5/08C09D5/1675C09D5/1687C09D7/63C09D171/00C09D183/12
Inventor 张创
Owner 矽时代材料科技股份有限公司