Multifunctional coffee grounds composite rattan-imitating material and application thereof
A coffee grounds, multi-functional technology, applied in the field of coffee grounds composite rattan-like materials, can solve the problems of waste of resources, environmental pollution, etc., achieve good heat resistance, improve flame retardancy, and tightly bonded effects
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[0025] The preparation method of the multifunctional coffee grounds composite rattan-like material of the present invention is as follows:
[0026] (1) Coffee grounds processing: the coffee grounds are washed with distilled water, filtered and dried; the dried coffee grounds are placed in a grinder for grinding to obtain coffee grounds powder with a particle size of 1 to 5 microns;
[0027] (2) Preparation of coffee charcoal: take a certain amount of coffee grounds obtained in step (1) under a nitrogen atmosphere at 50℃min -1 The speed is heated to 460℃, roasted for 2h to obtain coffee charcoal, and the coffee charcoal is placed in a grinder to grind to obtain nano-sized powder;
[0028] (3) Mixing of coffee grounds and coffee charcoal: the coffee charcoal powder obtained in step (2) is immersed in a mixture solution of concentrated sulfuric acid and concentrated nitric acid with a volume ratio of 3:1, microwave heating at 30°C and stirring for 2 hours; Wash repeatedly with distilled...
Example Embodiment
[0032] Example 1-16
[0033] The following examples adopt the above-mentioned method to prepare rattan-like materials.
[0034] The quality ratio and rattan-like material performance test are as follows:
[0035] Table 1
[0036]
[0037]
[0038] Result: From the analysis of Table 1, it can be seen from Examples 2-13 that with the increase in the amount of coffee grounds and coffee charcoal, the tensile strength and elongation at break of the product decrease; As the proportion of ethylene and styrene-butadiene rubber increases, the tensile strength and elongation at break of the product increase, and the flame retardant performance also increases; among them, in Example 14 and Example 15, the tensile strength of the product is The elongation at break has an obvious positive correlation with the change of the styrene-butadiene rubber content; in Example 16, the flame retardant decreases, and the flame retardant performance of the product also decreases. While ensuring the flame ret...
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