A kind of high weather resistance glass ink and its preparation method and application method
A technology of glass ink and weather resistance, which is applied in the field of ink, can solve the problems of large shrinkage, poor resistance to chemical media and water, and application restrictions, and achieve the effects of stable properties, good weather resistance, and improved compatibility
Active Publication Date: 2019-02-12
FOSHAN CITY GREEND CHEM
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Problems solved by technology
Polyester resin is a general term for polymer compounds formed by polycondensation of diols, dibasic acids, or polyols and polybasic acids. It has high curing speed, good heat resistance, and the film formed after curing has high hardness and high brightness. , but the polyester resin-based ink has the disadvantages of large shrinkage, chemical resistance and poor water resistance
The use of polyester resin-based inks on glass has been limited due to limitations in practical outdoor use
Method used
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[0036] The content of the present invention is further described below by way of examples.
[0037] 1. TiO 2 Gel preparation
[0038] Proceed as follows:
[0039] A. Stir and mix tetra-n-butyl titanate and absolute ethanol at a volume ratio of 1:3.85, drop into the ethanol hydrochloric acid solution with a volume concentration of 7.5% of the volume of the aforementioned reaction solution, and then stir at a speed of 300r / min Stir at a constant speed for 2 hours, and get pure TiO after standing still 2 Sol;
[0040]B, the TiO prepared in step A 2 TiO 2 Silica airgel powder with 8% sol quality, then stirred at a constant speed of 3000r / min for 1.5 hours, and obtained mixed TiO 2 Sol;
[0041] The silica airgel used in this step is lipophilic silica airgel with a specific surface area of 480m 2 / g, the density is 52kg / m 3 , the particle size of silica airgel powder is 20 μm.
[0042] C, the mixed TiO made in step B 2 The sol was placed in a container and microwaved f...
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Abstract
The invention discloses high-weather-resistance polyester glass printing ink which comprise the components of a weather-resistant PVDF fluorocarbon resin, a polyester resin, an adherence promoter, a pigment, a DBE solvent, an amino crosslinking agent and an assistant. In consideration of problems in the prior art, the weather-resistant fluorocarbon resin is introduced into an existing polyester glass printing ink to strengthen the overall weather resistance of the printing ink. In the scheme, the use amounts of the PVDF fluorocarbon resin and the polyester resin are adjusted to balance the adhesive force of the printing ink, the addition of TiO2 in the PVDF fluorocarbon resin further strengthens the overall weather resistance and the covering power of the printing ink, and the components and the mass percentages of the printing ink are controlled to improve the overall use performance of the printing ink. Furthermore, aiming at the performance of the printing ink, a corresponding preparation method and a corresponding use method are provided in the scheme.
Description
technical field [0001] The invention relates to the technical field of inks, in particular to a highly weather-resistant ink applied to glass, a preparation method and a use method thereof. Background technique [0002] Glass ink refers to the paint / ink that can be rolled or printed on glass and can be firmly adhered after curing. The research and development of various glass ink systems has brought a variety of options for the decoration and protection of glass products. With the increasing application of glass products in the field of outdoor decoration, such as outdoor advertising decorative glass panels, large outdoor glass curtain walls, etc., higher requirements are put forward for decorative inks applied to glass. At present, in the prior art, most inks used on glass in the field of outdoor decoration are inks based on polyester resin. Polyester resin is a general term for polymer compounds formed by polycondensation of diols, dibasic acids, or polyols and polybasic ...
Claims
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IPC IPC(8): C09D11/108C09D11/104C09D11/03C03C17/00
CPCC03C17/009C09D11/03C09D11/104C09D11/108
Inventor 区锦泉
Owner FOSHAN CITY GREEND CHEM