Photocurable composition and advertisement word device comprising same
A technology of photocuring and composition, applied in display devices, illuminated signs, instruments, etc., can solve the problems of high price, damage, bad health of producers and users, etc., and achieve the effect of no peculiar smell and aesthetics
Inactive Publication Date: 2020-11-06
浙江播下环保科技有限公司
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Problems solved by technology
[0003] Yet conventional light-cured coating also has its defect, except that price is more expensive, its raw material (such as diluent, low molecular weight initiator, resin linking agent etc.) can release irritating smell slowly under certain conditions; And After the photocurable coating is cured, its initiator or resin and other raw materials will also be cracked to produce aldehydes and sulfur irritating gases, causing adverse physical damage to producers and users
Method used
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Embodiment Construction
[0021] The following examples illustrate possible implementations of the present invention, but are not intended to limit the protection scope of the present invention.
[0022] The photocurable composition 1 of the present invention includes an acrylic resin, a diluent, a photoinitiator, a defoamer and a fumed silica.
[0023] The weight of the diluent is 10% to 50% of the weight of the acrylic resin; the weight of the photoinitiator is 1% to 5% of the total weight of the acrylic resin and the diluent; the defoamer The weight is 0.1% to 1% of the total weight of the acrylic resin and the diluent; the weight of the fumed silicon dioxide is 0.1% to 3% of the total weight of the acrylic resin and the diluent. Among them, the defoamer can effectively reduce the generation of air bubbles, and the appearance after curing and molding is better, and the composition formula of the present invention can effectively reduce the peculiar smell of the photocurable composition.
[0024] Th...
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The present invention relates to a photocurable composition and an advertisement word device comprising the same. The photocurable composition comprises an acrylic resin; a diluent, the weight of which is 10% to 50% of the weight of the acrylic resin; a photoinitiator, the weight of which is 1%-5% of the total weight of the acrylic resin and the diluent; a defoaming agent, the weight of which is 0.1%-1% of the total weight of the acrylic resin and the diluent; and fumed silica, the weight of which is 0.1%-3% of the total weight of the acrylic resin and the diluent. The invention further provides the advertisement word device comprising the photocuring composition, and the advertisement word device comprises an outer frame body, an inner space and a filling part, and a light-transmitting layer which is formed by filling the photocuring composition into the filling part and then curing the photocuring composition. The photocurable composition provided by the invention has no peculiar smell and is good in aesthetic property after being formed.
Description
technical field [0001] The invention relates to a photocurable composition and an advertising character device containing the photocurable composition. Background technique [0002] General photocurable coating refers to a resin that can be cross-linked and cured under the irradiation of a light source in a specific wavelength range. Its production process does not require the use of organic solvents and can reduce the impact on the environment. Pollution can also avoid endangering the health of operators. In addition, photocuring technology has the advantages of being able to react at room temperature, simple operation, no volatilization of organic solvents, reducing energy waste, increasing cross-linking density, shortening process time, easy quality control, high production efficiency and output, and required The equipment space is small and so on. [0003] Yet conventional light-cured coating also has its defect, except that price is more expensive, its raw material (s...
Claims
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IPC IPC(8): C08F283/10C08F283/00C08F283/01C08F283/06C08F265/06C08K7/26G09F13/20
CPCC08F283/105C08F283/008C08F283/01C08F283/10C08F283/065C08F265/06C08K7/26G09F13/20
Inventor 吴伟叶佳磊庄明洲陈信宏
Owner 浙江播下环保科技有限公司