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Substrate material coated with polymer needled tufts of natural-Opuntia-microdasys-plant-like structure

A base material and polymer technology, applied in the field of bionic water-collecting polymer acupuncture clusters, can solve the problems of low water collection efficiency, inability to meet water needs, and high water collection costs

Active Publication Date: 2012-11-28
INST OF CHEM CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] One of the objectives of the present invention is to overcome the low water collection efficiency of the above-mentioned water collection method, which cannot meet the water needs of people in the vast water shortage areas, and also has the defects of high water collection cost and unfriendly environment, and provides a planting plant Substrate material for polymer needle-punched clusters imitating the structure of Prickly Pear in natural cactus plants

Method used

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  • Substrate material coated with polymer needled tufts of natural-Opuntia-microdasys-plant-like structure
  • Substrate material coated with polymer needled tufts of natural-Opuntia-microdasys-plant-like structure
  • Substrate material coated with polymer needled tufts of natural-Opuntia-microdasys-plant-like structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0082] I. Preparation of PMMA needle-punched clusters imitating the natural plant structure

[0083] I imitate the preparation of the single PMMA main acupuncture of natural palm plant structure, please refer to figure 2

[0084] 1) Fixation in a semi-submerged state of needle-punched natural palmetto plants

[0085] Mix the PDMS prepolymer and the curing agent two-component glue used together to obtain a mixed glue, wherein: the weight ratio of the PDMS prepolymer glue to the curing agent glue is 10:1; for the mixed glue First use ultrasonic wave for 5 minutes to remove the large air bubbles in the mixed glue, and then vacuumize the mixed glue to a vacuum degree of 10 -4 Pa, keep 10min to remove the small air bubbles in the mixed glue; get a fresh natural palm plant acupuncture (structure such as figure 1 Shown in A) is placed on the surface of the mixed glue solution after defoaming; the mixed glue solution after defoaming is cured in an oven at a temperature of 40° C. t...

Embodiment 2

[0103] I. Preparation of PS needle-punched clusters imitating the natural plant structure

[0104] I imitate the preparation of the single PS main needle of natural palm plant structure, please refer to figure 2

[0105] 1) Fixation in a semi-submerged state of needle-punched natural palmetto plants

[0106] Mix the PDMS prepolymer and the curing agent two-component glue used together to obtain a mixed glue, wherein: the weight ratio of the PDMS prepolymer glue to the curing agent glue is 10:1; for the mixed glue First use ultrasonic wave for 15 minutes to remove the large air bubbles in the mixed glue, and then vacuumize the mixed glue to a vacuum degree of 10 -2 pa, keep for 25 minutes to remove the small air bubbles in the mixed glue; put the mixed glue after defoaming on a hot stage with a temperature of 60°C for pre-crosslinking for 2 minutes to obtain a pre-crosslinked body; take a fresh natural yellow hair Palm plant acupuncture (structure such as figure 1 Shown in...

Embodiment 3

[0124] I. Preparation of PVDF needle-punched clusters imitating the natural plant structure

[0125] i imitate the preparation of the single PVDF main needle of the natural palm plant structure, please refer to figure 2

[0126] 1) Fixation in a semi-submerged state of needle-punched natural palmetto plants

[0127] Mix the PDMS prepolymer and the curing agent two-component glue used together to obtain a mixed glue, wherein: the weight ratio of the PDMS prepolymer glue to the curing agent glue is 10:1; for the mixed glue First use ultrasonic wave for 12 minutes to remove the large air bubbles in the mixed glue, and then vacuumize the mixed glue to a vacuum degree of 10 -3 Pa, keep it for 15 minutes to remove small air bubbles in the mixed glue; put the mixed glue after defoaming on a hot stage with a temperature of 60°C for pre-crosslinking for 4 minutes to obtain a pre-crosslinked body; take a fresh natural yellow hair Palm plant needles were placed on the surface of the ...

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Abstract

The invention relates to a substrate material coated with polymer needled tufts of a natural-Opuntia-microdasys-plant-like structure and a preparation method thereof. The substrate material is composed of a plurality of polymer needled tufts fixed on a porous hollow three-dimensional substrate material having gradient wettability, wherein each polymer needled tuft is composed of a plurality of polymer main needles of which the roots are fixed together; each polymer main needle has needled structure characteristics owned by plants such as natural Opuntia microdasys; and the external surface of the porous hollow three-dimensional substrate material having gradient wettability is hydrophobic, and the internal surface is hydrophilic. The polymer needled tufts can efficiently collect micro liquid drops in the air and change the liquid drops into utilizable fresh water, and the collected water can be transferred by the substrate material having gradient wettability from the hydrophobic side of the external surface of the substrate material to the hydrophilic side of the internal surface, so that the water collection efficiency of the substrate material coated with polymer needled tufts of an Opuntia-microdasys-plant-like structure (a natural-cereus-plant-like structure) is greatly improved.

Description

technical field [0001] The invention relates to a bionic water-collecting polymer needle-punched cluster, in particular to a base material of a polymer needle-punched cluster planted with a structure imitating a natural palmate plant and a preparation method thereof. Background technique [0002] Water is the source of life. With the continuous growth of population and the continuous development of human economy, water consumption is also increasing year by year. The supply of water resources has become one of the decisive factors for the rapid economic development of countries all over the world. According to the World Food and Agriculture Organization, about 1.2 billion people, nearly one-fifth of the world's population, live in areas of physical water scarcity, and another 500 million people are approaching this situation. In addition, the shortage of potable water caused by irrational use such as pollution and waste is even more urgent. At present, about 884 million peop...

Claims

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Application Information

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IPC IPC(8): E03B3/28B29C45/00
Inventor 鞠婕柏浩郑咏梅江雷
Owner INST OF CHEM CHINESE ACAD OF SCI
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