[미국특허]
Inorganic coating composition which can be cured at low temperature and a preparation method thereof
원문보기
IPC분류정보
국가/구분
United States(US) Patent
공개
국제특허분류(IPC7판)
C09D-001/00
C09D-005/00
C09D-183/04
C09D-183/02
C09D-001/02
C08K-003/36
C08K-003/10
C09D-001/04
C09D-183/00
출원번호
US-0929043
(2018-09-17)
공개번호
US-0016899
(2019-01-17)
우선권정보
CN-201510396824.X (2015-07-08)
발명자
/ 주소
LIU, Xiaodong
출원인 / 주소
LIU, Xiaodong
인용정보
피인용 횟수 :
0인용 특허 :
0
초록▼
The present invention relates to coating composition. And in particular, to an inorganic coating composition which can be cured at low temperature and a preparation method thereof. In order to solve the problems that the organic coating is harmful for the environment, the inorganic coating has bad f
The present invention relates to coating composition. And in particular, to an inorganic coating composition which can be cured at low temperature and a preparation method thereof. In order to solve the problems that the organic coating is harmful for the environment, the inorganic coating has bad flexibility, and the traditional ceramic coatings need heat and is inconvenient for curing in prior art, the present invention provide an inorganic coating composition which can be cured at low temperature and a preparation method thereof. The inorganic coating composition comprises the ingredient as below: 70-80 wt % of inorganic solution; 5-10 wt % of functional additives, which are potassium titanate, alumina, or a compound thereof; 10-20 wt % of inorganic pigment; 0.5-2.0 wt % of other functional additives. The said inorganic solution comprises the following ingredients: 30-40 wt % of organic alkoxy-silane, 15-20 wt % of organic solvent, and 25-30 wt % of silica sol. The inorganic coating composition is able to be cured at low temperature, the film formed by it has excellent flexibility, and the film will not release harmful organic gases, and is beneficial to the environmental.
1-11. (canceled) 12. An inorganic coating composition, wherein the inorganic coating composition comprises: 70-80 wt % inorganic solution, wherein the inorganic solution comprises 30-40 wt % organic alkoxy-silane,15-20 wt % organic solvent, and25-30 wt % silica sol. 13. The inorganic coating composition of claim 12, wherein the inorganic coating composition further comprises: 10-20 wt % inorganic pigment. 14. The inorganic coating composition of claim 12, wherein the inorganic coating composition further comprises: a first functional additive that is 5-10% wt of the inorganic coating composition, 15. The inorganic coating composition of claim 12, wherein the inorganic coating composition further comprises: an other functional additive that is 0.5-2.0 wt % of the inorganic coating composition. 16. The inorganic coating composition of claim 12, wherein the inorganic coating composition further comprises: a first functional additive that is 5-10% wt of the inorganic coating composition, andan other functional additive that is 0.5-2.0 wt % of the inorganic coating composition. 17. The inorganic coating composition of claim 12, wherein the organic alkoxy-silane is represented by formula R1mSi(OR2)4-m, where R1 and R2 represent a substituted or non-substituted alkyl group or aryl group comprising 1-10 carbon atoms, and m is 0-3. 18. The inorganic coating composition of claim 17, wherein R1 or R2 are at least one selected from the group including methyl, ethyl, phenyl, CF3CH2CH2, CF3(CF2)5CH2CH2, and CF3(CF2)7CH2CH2, and alternatively whereinR1 and R2 are at least one of selected from the group including methyl, ethyl, phenyl, CF3CH2CH2, CF3(CF2)5CH2CH2, and CF3(CF2)7CH2CH2. 19. The inorganic coating composition of claim 12, wherein the silica sol comprises 20-40 wt % silica (SiO2) particles, a size of the silica particle is from nanometer-size to micron-size. 20. The inorganic coating composition of claim 14, wherein the first functional additive comprises potassium titanate that is 3-5% wt of the inorganic coating composition. 21. The inorganic coating composition of claim 12, wherein the organic alkoxy-silane is methyl trimethoxy silane, tetraethoxysilane, phenyl trimethoxy silane or a mixture thereof; andthe organic solvent is methanol, ethanol, isopropanol or a mixture thereof. 22. The inorganic coating composition of claim 12, wherein ingredients of the inorganic coating composition are treated by ultrasonic waves. 23. The inorganic coating composition of claim 22, wherein a frequency of the ultrasonic waves is greater than or equal to 20 KHz, andthe ingredients of the inorganic coating composition are treated by ultrasonic waves for 30-40 minutes. 24. The inorganic coating composition of claim 22, wherein a mixture of organic alkoxy-silane and silica sol are treated with ultrasonic waves during a mixing and reacting step of the organic alkoxy-silane and the silica sol. 25. The inorganic coating composition of claim 12, wherein the inorganic coating composition is curable at low temperature between 10-40 degrees Celsius. 26. The method for preparing the inorganic coating composition of claim 12, wherein the method comprises the following steps: (1) preparing the inorganic solution: mixing the 30-40 wt % organic alkoxy-silane, with the 15-20 wt % organic solvent, and 25-30% silica sol; and stirring the mixture at 40-50 degrees Celsius for 5-10 minutes to get inorganic solution in sol state;(2) preparing the inorganic coating mixture: putting 70-80 wt % the inorganic solution generated in step (1), 5-10 wt % functional additives, 10-20 wt % inorganic pigment, and 0.5-2.0 wt % other functional additives together; and stirring the mixture to get the inorganic coating mixture;(3) placing the inorganic coating mixture generated in step (2) in a homogenizer; and stirring it at a speed sufficient for homogenization for 1-2 hours to make the particles homogenized; and(4) filtering the homogenized matter generated in step (3) pass through a 325-1000 mesh net to remove bigger particles; and obtaining the inorganic coating composition which is curable at a temperature between 10-40 degrees Celsius.
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