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Dyeing method of for colloidal layer microsection of tension wood

A dyeing method and microsection technology, applied in the field of Yinglamu research, can solve the problems of unsatisfactory dyeing effect and inability to distinguish the glial layer from other wall layers, so as to achieve easy grasp of the coloring time, improve the success rate of dyeing and Efficiency, easy-to-observe effect

Active Publication Date: 2018-01-23
CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, studying the microstructure of the glue layer is of great theoretical significance for exploring the high growth stress of the wood and solving the problems in the processing and utilization of the wood. , the dyeing effect is not ideal enough to visually distinguish the glial layer from other wall layers, and the method of using the star blue dye solution for the staining of Yingla wood has not yet been mentioned

Method used

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  • Dyeing method of for colloidal layer microsection of tension wood
  • Dyeing method of for colloidal layer microsection of tension wood
  • Dyeing method of for colloidal layer microsection of tension wood

Examples

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Effect test

Embodiment 1

[0040] A kind of dyeing method of the microscopic section of plywood colloidal layer of the present invention, comprises the following steps:

[0041] (1) choose the inclined trunk wood section of camphor camphor, the wood section is sawed into a disc with a thickness of 25mm, and the disc end face is sanded, then 80g zinc chloride, 40g water are mixed with I liquid, 8.4g potassium iodide, Prepare II solution with 0.4g iodine and 20g water, mix I solution and II solution, place away from light, cool to room temperature, apply the obtained chlorine-zinc-iodine solution on the end surface of the camphor disc, and it will appear dark brown as Yinglamu. area, showing light yellow as normal wood area;

[0042] (2) Select an appropriate amount of wood from the wood area shown on the disc to make a small wooden block with a size of 10×10×10mm, boil it in water for 3 hours until it sinks, remove the air in the wooden block, and store it in alcohol and Soften by immersing in a mixed s...

Embodiment 2

[0048] A kind of dyeing method of the microscopic section of plywood colloidal layer of the present invention, comprises the following steps:

[0049] (1) choose the inclined trunk wood section of camphor camphor, the wood section is sawed into a disc with a thickness of 30mm, and the disc end face is sanded, then 80g zinc chloride, 40g water are mixed with I liquid, 8.4g potassium iodide, Prepare II solution with 0.4g iodine and 20g water, mix I solution and II solution, place away from light, cool to room temperature, apply the obtained chlorine-zinc-iodine solution on the end surface of the camphor disc, and it will appear dark brown as Yinglamu. area, showing light yellow as normal wood area;

[0050] (2) Select an appropriate amount of wood from the wood area shown on the disc to make a small wooden block with a size of 10×10×10mm, boil it in water for 5 hours until it sinks, remove the air in the wooden block, and store it in alcohol and Soften by immersing in a mixed s...

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Abstract

The invention discloses a dyeing method for colloidal layer microsections of tension wood. The dyeing method comprises the following steps: firstly, sawing a tree trunk or branches of broad-leaved wood which are inclined or flexuous into a disk and determining an area of the tension wood; secondly, selecting wood samples from the tension wood area determined in the first step; carrying out water boiling, exhausting and softening, then slicing a cross section and putting slices into distilled water for washing; thirdly, immediately performing double dyeing on the slices washed in the second step by using sarranine-astral blue ethanol dyeing liquid or sarranine-astral blue acetic acid dyeing liquid, and dehydrating with a gradient ethanol solution in the dyeing process, thus obtaining the dehydrated and dyed colloidal layer microsection of the tension wood. According to the dyeing method, the sarranine-astral blue dyeing liquid is used for dyeing the tension wood, and the colloidal layerof the tension wood can be clearly distinguished from an adjacent parietal layer, so that the microstructure of the colloidal layer can be favorably observed and further the processing and analysis of an image according to saturation and a gray value are facilitated; more feasibility is provided for the study of the tension wood.

Description

technical field [0001] The invention belongs to the research field of Yinglamu, in particular to a dyeing method of Yinglamu colloid layer microsection. Background technique [0002] Due to the influence of wind, rain, snow, slope and other environmental factors, the original straight growth form of trees often changes, resulting in oblique growth. To accommodate this change, the hardwood cambium is often differentiated and the wood should be pulled to keep the trunk or branches in their optimum posture. Due to the high tensile stress generated during the formation of the lumber, the lumber often has defects such as cracking and warping, which brings great inconvenience to its processing and efficient utilization. Yingla wood has become a relatively common structure in broad-leaved wood, and has also become a current research hotspot. [0003] The anatomical structure of Yingla wood is obviously different from that of normal wood. In addition to the lignified three-wall la...

Claims

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Application Information

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IPC IPC(8): G01N1/30
Inventor 苌姗姗胡嘉裕胡进波石洋刘元李贤军
Owner CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY
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