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Preparation method for raw bamboo filament/polypropylene/rubber plate/bamboo willow veneer building template

A construction formwork and rubber sheet technology, which is applied in the jointing of wooden veneers, flat products, manufacturing tools, etc., can solve the problems of unsuitable construction formwork processing methods and low bending strength, and achieve the reduction of mechanical strength and water absorption , Excellent effect of thickness expansion rate

Inactive Publication Date: 2021-12-28
CHANGSHU INSTITUTE OF TECHNOLOGY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the thickness of the board is thin and the bending strength is low, so it is not suitable for the processing method of building formwork

Method used

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  • Preparation method for raw bamboo filament/polypropylene/rubber plate/bamboo willow veneer building template
  • Preparation method for raw bamboo filament/polypropylene/rubber plate/bamboo willow veneer building template
  • Preparation method for raw bamboo filament/polypropylene/rubber plate/bamboo willow veneer building template

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Experimental program
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Embodiment Construction

[0020] A kind of raw bamboo silk / polypropylene / rubber board / bamboo willow veneer building formwork preparation method

[0021] (1) Fresh or moso bamboo with a moisture content greater than 15% is cut into 2440mm long moso bamboo as required; through a device equipped with an inner milling cutter and an outer planer, the inner and outer nodes of the moso bamboo are removed simultaneously, and then processed into Bamboo strips are obtained by removing bamboo yellow and bamboo green to obtain raw bamboo.

[0022] (2) After the raw bamboo is subjected to high-temperature cooking treatment for 1 hour, it is decomposed, and the softened bamboo strips are decomposed into bamboo filaments of about 1 mm, and then dried to obtain the original bamboo filaments.

[0023] (3) Rotating bamboo willow wood with a diameter of 300mm and above into 1220mm wide veneers, and drying; and splicing the veneer tapes into 2440*1220mm plates to obtain bamboo willow veneers.

[0024] (4) Heat the polypr...

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Abstract

The invention belongs to the technical field of building template materials and particularly relates to a preparation method for a raw bamboo filament / polypropylene / rubber plate / bamboo willow veneer building template. According to the preparation method for the raw bamboo filament / polypropylene / rubber plate / bamboo willow veneer building template, one layer of the rubber plate serves as a middle layer, raw bamboo filaments are laid on the rubber plate of the middle layer to form the raw bamboo filaments, the front face and the back face of the rubber plate are symmetrically laid, then three layers of bamboo willow veneers are symmetrically laid on the front face and the back face of the raw bamboo filaments correspondingly to form a plate blank, the polypropylene is brushed between all layers, finally, the paved plate blank is subjected to hot pressing in a hot press, and the raw bamboo filament / polypropylene / rubber plate / bamboo willow veneer building template is obtained. According to the prepared raw bamboo filament / polypropylene / rubber plate / bamboo willow veneer four-item composite material, under a one-time forming process, the static bending intensity is 39.82 MPa, the elastic modulus is 3756.29 MPa, the impact strength is 22.17 KJ / m<2>, the water absorption thickness swelling rate is 4.16%, and the water absorption rate is 5.7%.

Description

technical field [0001] The invention belongs to the technical field of building template materials, and more specifically relates to a method for preparing a building template of raw bamboo silk / polypropylene / rubber board / bamboo willow veneer. Background technique [0002] my country is rich in bamboo resources, the area of ​​bamboo forests and the volume of bamboo stock rank first in the world, and the bamboo has high strength, good toughness and good processing performance. Bamboo willow is a kind of economic forest tree species with a wide planting area and a short period of maturity, which can be planted on the saline-alkali land along the beach. In recent years, in order to improve the utilization rate of bamboo and fast-growing wood resources, various building composite panels based on bamboo and wood have been developed. Invention patent 201110065040.0 is a building material processed from whole sheets of bamboo through tissue culture, and both bamboo and wood are si...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27M1/08B27J1/00B27D1/08B27K5/00B27N3/06B27N3/08B27N3/10
CPCB27M1/08B27J1/00B27K5/0085B27D1/08B27N3/06B27N3/10B27N3/08
Inventor 蔡绍祥李延军郭玉良
Owner CHANGSHU INSTITUTE OF TECHNOLOGY
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