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Outdoor reconsolidated bamboo product and preparation method

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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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

And then solve the defect of existing preparation technology

Method used

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  • Outdoor reconsolidated bamboo product and preparation method

Examples

Experimental program
Comparison scheme
Effect test

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.

[0032] Tablet Press (PC-5), Tianjin Jingtuo Instrument Technology Co., Ltd., China; Portable Colorimeter (CR-10), Konica Minolta Co., Ltd. (KONICAMINOLTA), Japan; UV-Vis Spectrophotometer (UV-2401PC), Shimadzu Corporation, Japan; Fourier Transform Infrared Spectrometer (Nicolet iS10), Thermo (Thermo) Technology Co., Ltd., the United States; Thermogravimetric Analyzer (DTG-60), Shimadzu Corporation, Japan; Mass spectrometer (solanX 70FT-MS), Bruker Dalton Company, USA.

[0033] 1.2 Method

[0034] Lignin circle preparation and...

experiment example 2

[0047] Experimental example 2: Research on the influence of outdoor reconstituted bamboo manufacturing and density on performance

[0048] 2.1 Materials and equipment

[0049] Finely decomposed bamboo bundles were purchased from Anhui Hongyu Bamboo Technology Co., Ltd., China; phenolic resin glue [main performance indicators: viscosity 36m Pa·S (25°C), solid content 46.2%, pH value 10-11], Beijing Taier Chemical Co., Ltd., China.

[0050] Heat press machine (QD-100), Shanghai Wood-based Panel Machinery Factory Co., Ltd., China; Accelerated UV aging test chamber, Hangzhou Jiuhuan Fuda Industrial Co., Ltd., China; Universal mechanical testing machine (50KN), Instron Corporation, USA; Scanning Electron Microscope (S-3400N), Hitachi Group, Japan; Portable Colorimeter (CR-10), Konica Minolta Co., Ltd., Japan; Gloss Meter (60°), Boncy Instruments Technology (Shanghai) Co., Ltd., China; UV-Vis spectrophotometer (UV-2401PC), Shimadzu Corporation, Japan; precision roughness meter (JB...

experiment example 3

[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...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27D1/06B27D1/10B27D5/00B27J1/00B27K3/38B27K5/00
CPCB27D1/06B27D1/10B27D5/00B27J1/00B27K3/38B27K5/001
Inventor 李能陈玉和包永洁饶飞吴再兴黄成建陈章敏何盛李景鹏
Owner 国家林业局竹子研究开发中心
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