A kind of ginkgo hollow particle board with anti-corrosion function and its manufacturing method
A technology of hollow particle board and manufacturing method, which is applied in the direction of manufacturing tools, flat products, household appliances, etc., can solve problems such as thermal insulation, sound insulation, unsatisfactory light weight, no theoretical and experimental data support, unsatisfactory saving of raw materials, etc., to achieve Ideal sound insulation performance, eliminating the peeling process, highlighting the effect of substantive features
Inactive Publication Date: 2011-11-30
NANJING FORESTRY UNIV
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Problems solved by technology
Although this patent application has proposed the utilization of ginkgo wood, there are following deficiencies in this patented product: 1) take moisture-proof as the main beneficial effect, which mentions anti-corrosion, moth-proof effects, and anti-hyperlipidemia, cardiovascular and cerebrovascular diseases It has a certain auxiliary physical therapy effect, without any theoretical and experimental data support, it is unconvincing
2) It is impossible to make it have a better antiseptic effect than ginkgo itself without adding preservatives
3) The patented product is the production of particleboard by the flat pressing method, which is not ideal in terms of saving raw materials
4), the patented product is not ideal in terms of heat preservation, sound insulation, light weight, etc.
Method used
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Embodiment 1
[0021] The ginkgo hollow particleboard with anti-corrosion function of this embodiment is manufactured according to the following process steps and preferred process parameters:
[0022] 1. Raw material selection. The bark-containing branch part of the 30-year-old Ginkgo biloba adult tree stage with high flavonoid content is selected as the raw material, and contains bark whose mass is 5-10% (preferably 9%) of the total raw material mass.
[0023] 2. Preparation of shavings. Select ginkgo biloba as raw material, when the moisture content of the raw material is 30-50% (preferably 40%), process it into wood chips with a length of 30 ± 2mm and a thickness of 8 ± 1mm with a drum chipper, and then use a double drum The planer planes the wood chips into shavings with a thickness of 1-3mm (preferably 2mm).
[0024] 3. Dry the shavings. Send the shavings into the dryer, the temperature at the inlet of the dryer is 190±5°C, and the temperature of the exhaust gas at the dehumidific...
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The invention relates to a ginkgo hollow particleboard with antiseptic function and a manufacturing method, belonging to the technical field of wood utilization. The particle board is planed into shavings with a thickness of 1-3mm from the ginkgo biloba wood in the adult tree stage including the bark, adding urea-formaldehyde resin glue with a mass of 3-7% of the mass of the shavings, and urea-formaldehyde resin glue with a mass of 0.5-1 % of the paraffin waterproofing agent and then extruded into a board, the section of the board in the width direction has round holes extending along the length direction at intervals. Its manufacture goes through various steps of material selection, shaving, drying, sizing, and forming. The particleboard of the invention contains flavonoids and has very ideal antiseptic properties. At the same time, the invention saves materials, has small specific gravity, has sufficient strength, and has better thermal insulation and sound insulation effects.
Description
technical field [0001] The invention relates to a particle board, in particular to a ginkgo hollow particle board with antiseptic function, and also relates to a manufacturing method, which belongs to the technical field of wood utilization. Background technique [0002] Ginkgo biloba is an ancient multifunctional tree species, which integrates wood, fruit, flowers, ornamental and greening. Ginkgo wood is light yellow, straight texture, soft texture, small drying shrinkage, not easy to deform, not warped, not cracked, strong corrosion resistance, easy to process. For a long time, due to various prejudices and insufficient understanding of the biological characteristics of ginkgo, the multifunctional utilization of ginkgo, especially the development and utilization of its main product wood, has been ignored. [0003] The search found that the application number is 200710139601.0, the name is ginkgo wood EO moisture-proof health-care particleboard and its production method, a...
Claims
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IPC IPC(8): B27N3/02B27N1/02B27N3/28
Inventor 曹福亮周统建王志强王卫东卢晓宁
Owner NANJING FORESTRY UNIV
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