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Outdoor reconsolidated bamboo product and preparation method
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A recombined bamboo and outdoor technology, applied in the direction of manufacturing tools, mechanical equipment, wooden veneer joints, etc., to achieve the effects of increasing product added value, strong light aging resistance, and improving service life
Inactive Publication Date: 2017-07-21
国家林业局竹子研究开发中心
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experiment example 1
[0029] Experimental example 1: Effect of heat treatment on the performance of outdoor reconstituted bamboo
[0030] 1.1 Materials and equipment
[0031] Enzymatic lignin (EHL) [Main performance indicators: hydroxyl content of 1.87mmol (31P NMR), number average molecular weight of 1430g / mol (GPC), clarson lignin content of 84.91%, can be well soluble in N,N- Dimethylformamide (DMF) and tetrahydrofuran (THF)], Hong Kong Laihe Biomass Co., Ltd., China.
[0064] Experimental example 3: Comprehensive treatment plan for outdoor reconstituted bamboo
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Abstract
The invention belongs to the field of bamboo product study preparation, and particularly an outdoor reconsolidated bamboo product and a preparation method. By studying the influence of the heat treatment temperature and density on outdoor reconsolidated bamboos, the preparation method of the outdoor reconsolidated bamboos is invented, and thus the outdoor reconsolidated bamboo product is obtained. The preparation technique comprises the steps of bamboo beam unit preparation, bamboo beam heat treatment, gum dipping, assembly, hot pressing forming, saw cutting and the like, finally, the most suitable heat treatment temperature is determined to be 200 DEG C, and the most suitable density is determined to be 1.1 g / cm<3>. According to the outdoor reconsolidated bamboo product and the preparation method, light aging resistance reconsolidated bamboos obtained through development have higher light aging resistance; in outdoor use, natural clear textures of the bamboos are not damaged, the service life of the bamboo product is effectively prolonged, the product additional value is increased, and good economic, social and ecological benefits are achieved.
Description
technical field [0001] The application belongs to the field of preparation of bamboo products, and specifically relates to outdoor recombined bamboo, including the preparation of outdoor recombined bamboo, the influencing factors in the preparation process of outdoor recombined bamboo, and the outdoor recombined bamboo product obtained by the preparation method. Background technique [0002] China is rich in bamboo resources and is known as the "Kingdom of Bamboo". In 2013, the output of large-diameter bamboo was 1.877 billion, and the output value of bamboo wood processing and product manufacturing was as high as 997.333 billion yuan, of which the output of bamboo flooring was 81 million square meters (national Forestry Service, 2014). Bamboo resource is one of the most promising forest resources, and it is a renewable and sustainable resource. Bamboo has the characteristics of fast growth, large biomass, strong regeneration ability, one-time planting, and sustainable util...
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