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Method for modifying fiber of living plant by using graphene

A plant fiber and graphene technology, applied in botany equipment and methods, gardening methods, plant growth regulators, etc., can solve problems such as wood damage

Active Publication Date: 2020-04-14
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Subsequently, when many fibers in the tension area reach the limit of strength, the wood will eventually fail due to the fracture of the fibers themselves and between fibers.

Method used

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  • Method for modifying fiber of living plant by using graphene
  • Method for modifying fiber of living plant by using graphene
  • Method for modifying fiber of living plant by using graphene

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] The improvement of distilled water to active plant fiber (specific process such as figure 1 shown).

[0035] The modification of distilled water to active plant fiber in above-mentioned embodiment 1, as figure 2 As shown, the flexural strength is 26.7MPa.

[0036] The modification of distilled water to active plant fiber in above-mentioned embodiment 1, as figure 2 As shown, the flexural modulus of elasticity is 4150MPa.

[0037] The modification of distilled water to active plant fiber in above-mentioned embodiment 1, as figure 2 As shown, the compressive strength along the grain is 16.9MPa.

[0038] The modification of distilled water to active plant fiber in above-mentioned embodiment 1, as figure 2 As shown, the density (air dry) is 0.284g / cm³.

Embodiment 2

[0040] Modification of 1ppm graphene oxide to active plant fibers (the specific process is as follows figure 1 shown).

[0041] Concentration in the above-mentioned embodiment 2 is the modification of 1ppm graphene oxide suspension to active plant fiber, as image 3 As shown, the flexural strength is 27.0MPa, indicating that graphene oxide can be combined with plant fibers after entering the plant body, and the flexural strength of the plant is correspondingly improved.

[0042] Concentration in the above-mentioned embodiment 2 is the modification of 1ppm graphene oxide suspension to active plant fiber, as image 3 As shown, the flexural modulus of elasticity is 4185 MPa, indicating that graphene oxide can be combined with plant fibers after entering the plant body, and the flexural modulus of flexural elasticity is correspondingly improved.

[0043] The modification of 1ppm graphene oxide suspension to active plant fiber in the above-mentioned embodiment 2, such as image ...

Embodiment 3

[0046] The modification of 2ppm graphene oxide to active plant fiber (specific process such as figure 1 shown).

[0047] Concentration in the above-mentioned embodiment 3 is the modification of 2ppm graphene oxide suspension to active plant fiber, as Figure 4 As shown, the flexural strength is 27.4MPa, indicating that graphene oxide can be combined with plant fibers after entering the plant body, and the flexural strength of the plant is correspondingly improved.

[0048] Concentration in the above-mentioned embodiment 3 is the modification of 2ppm graphene oxide suspension to active plant fiber, as Figure 4 As shown, the flexural modulus of elasticity is 4267MPa, indicating that graphene oxide can be combined with plant fibers after entering the plant body, and the flexural modulus of flexural elasticity has a corresponding increase.

[0049] The modification of 2ppm graphene oxide suspension to active plant fiber in above-mentioned embodiment 3, as Figure 4As shown, th...

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Abstract

The invention discloses a method for modifying the fiber of a living plant by using graphene, namely a 1-10ppm graphene oxide suspension is input into a plant. Graphene oxide of different concentrations is input into living plants, variation of mechanical properties of the plants is tested, experiment shows that by adopting the method, the graphene oxide can b e successfully reduced into graphene,the fiber of the living plants can be modified, the mechanical properties of wood can be effectively improved, and the use value of the wood can be greatly improved.

Description

technical field [0001] The invention relates to a method for modifying living plant fibers by graphene oxide, and belongs to the field of graphene oxide applications and materials. Background technique [0002] Graphene has been widely used in many fields due to its excellent properties. Current studies have found that graphene can improve the physical and mechanical properties of fibers, endow them with electrical conductivity, thermal conductivity, and UV protection functions. The research group of Tsinghua University has conducted experiments on improving the properties of silk with graphene, and found that graphene can greatly improve the toughness of silk. At present, there is a lack of research at home and abroad on importing graphene into living plants to explore its improvement on plant fibers. [0003] As a heterogeneous and anisotropic natural polymer material, wood has many properties different from other materials, and its mechanical properties are significantl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G7/06A01N59/00A01P21/00
CPCA01G7/06A01N59/00
Inventor 谢佳蒙项羽煊高辉
Owner SICHUAN UNIV