Coating technology: component analysis of bamboo vinegar

Core tip: bamboo vinegar is a byproduct of bamboo pyrolysis According to the research of Japanese experts, bamboo vinegar is a kind of mixture with quite complex components, its main component is water (about 80%), followed by organic acids, phenols, ketones, alcohols, etc., which can be used as soil fungicides, plant growth promoters, odor scavengers, as well as beauty products and health products Drinks, even for the treatment of diabetes and so on However, the yield of bamboo vinegar varies with the species and quality of bamboo and the pyrolysis process, and its components change with the collection method, storage and transportation conditions 1 test material Application scope and advantages of roller ceramic coating Recommended introduction: the surface of ceramic rubber plate used for roller ceramic coating is cast into durable rubber plate by hundreds of independent small ceramic pieces Each ceramic piece has raised characteristics Under general conveyor belt pressure, thousands of unique cast bumps can produce positive traction, prevent slipping and extend the service life of conveyor belt roller At the same time, the bottom layer adopts high-quality rubber, which has strong elasticity and can play a good impact resistance role The scope of application of roller ceramic coating is one three six 83857180 (the same as V) 1 Roller coating in extremely harsh working environment 2 The belt joint is not suitable for fixing with iron buckle; 3 It is suitable for leather coating Home news: bamboo vinegar is a byproduct of bamboo pyrolysis According to Japanese experts, bamboo vinegar is a kind of mixture with very complex components Its main component is water (about 80%), followed by organic acids, phenols, ketones, alcohols, etc it can be used as soil fungicides, plant growth promoters, odor scavengers, beauty products and health drinks Materials, even for the treatment of diabetes and so on However, the yield of bamboo vinegar varies with the species and quality of bamboo and the pyrolysis process, and its components change with the collection method, storage and transportation conditions 1 Test materials and test instruments 1.1 test materials vinegar stock solution: fired in earth kiln, 1.2 test instruments desk acidimeter, liquid specific gravity balance, gas chromatography-mass spectrometer 2 test method 2.1 preparation of bamboo vinegar stock solution and refined bamboo vinegar solution treated by simple distillation method are recorded in a, B and C respectively after drying and dehydration treatment Among them, a is the original solution of bamboo vinegar, B is the colorless refined bamboo vinegar obtained by distillation, and C is the refined bamboo vinegar after distillation and aging for 4 months The appearance color, density, pH value and other main physical properties of three kinds of bamboo vinegar are listed in Table 1 Table 1 main physical properties of bamboo vinegar: density (g / cm3), pH value (25 ℃), color a 1.045, 2.57, dark red brown, B 1.012, 2.54, colorless C 1.014, 2.56, brown yellow, 2.2 The samples were analyzed by GC-MS Gas chromatography conditions: HP-5 elastic capillary column (30mm × 0.25mm × 0.25um) was selected, the column temperature was 60 ℃, the constant temperature was 2min, the temperature was raised to 200 ℃ at the speed of 5 ℃ / min, and then the constant temperature was 2min; carrier gas: he split ratio was 100:1, the injection volume was 0.2 μ L The sample inlet temperature is 250 ℃, and the interface temperature is 280 ℃ Mass spectrometry conditions: EI source, electron energy 70 EV, multiplier voltage 1800 v Home of coatings is specialized in coatings, diatom mud, paint coating, coating technology, fire retardant coating news and coating, diatom mud, paint coating, coating technology, fire retardant coating decoration knowledge and decoration renderings,