Method used for detecting resin curing degree of sticky membrane paper laminated woodwork surfaces
A technology of resin curing and detection method, which is applied in the direction of analysis by chemical reaction of materials and material analysis by observing the influence on chemical indicators, to achieve the effects of improving production efficiency, simple operation and fast application.
Active Publication Date: 2015-05-13
圣象实业(江苏)有限公司
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Problems solved by technology
[0004] The purpose of the present invention is to disclose a method that can be applied to online detection of the resin curing degree on the surface of glued paper laminated wood products in order to solve the technical problem of quickly detecting the curing degree of the resin on the surface of the glued film paper on-line so as to adjust the process production parameters in time. method
Method used
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Embodiment 1
[0027] Prepare 100 mL of nitric acid solution with a mass fraction of 8%, weigh 0.1 g of methyl orange and add it to the nitric acid solution, stir evenly and let stand.
Embodiment 2
[0029] Prepare 100 mL of nitric acid solution with a mass fraction of 10%, weigh 1.0 g of methyl red into the nitric acid solution, stir evenly and let stand.
Embodiment 3
[0031] Prepare 100 mL of nitric acid solution with a mass fraction of 12%, weigh 1.5 g of bromophenol blue B and add it to the nitric acid solution, stir evenly and let stand.
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The invention belongs to the field of processing technologies of interior decorative plates, and relates to a detecting method of resin curing degree, and especially relates to a method used for detecting resin curing degree of sticky membrane paper laminated woodwork surfaces. The detecting method of the invention comprises steps of preparing an inorganic acid solution of an indicator, preparing a resin curing degree standard table for comparison, and comparing by using three points comparative method. According to the method used for detecting resin curing degree of sticky membrane paper laminated woodwork surfaces, curing degree of the resin surfaces are determined based on the reaction degree of melamine formaldehyde resin and the inorganic acid; and the indicator is used for color indication which is relatively visualized. The higher the melamine formaldehyde resin curing degree is, the lower is the reaction degree of the melamine formaldehyde resin and the inorganic acid. The detecting method of the invention is used in production lines with a fast speed, convenience and utility, and is capable of increasing production efficiency significantly.
Description
technical field [0001] The invention belongs to the technical field of processing interior decorative boards, and relates to a method for detecting the curing degree of resin, in particular to a method for detecting the curing degree of resin on the surface of wood products laminated with film and paper. Background technique [0002] Adhesive paper laminated wood products, such as laminate flooring, furniture decorative boards, etc., are also called impregnated paper laminated wood products. Formaldehyde resin makes wood products have the advantages of wear resistance, rich styles, impact resistance, deformation resistance, pollution resistance, flame retardancy, moisture resistance, environmental protection, and non-fading. The surface resin curing degree refers to the degree of curing achieved by the resin of the film layer after it is fully leveled during the hot pressing process, and its grade requirements directly affect the surface quality of the product and the quali...
Claims
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IPC IPC(8): G01N21/78
Inventor 姜志华黄玲玲
Owner 圣象实业(江苏)有限公司
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