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Water delivery material for forest plantetion and its preparation method

A technology of afforestation and raw materials, applied in the field of polymer synthetic materials, can solve problems such as ineffective infiltration of surface water into the ground, low tree survival rate, and soil compaction, so as to prevent transpiration, strong water permeability, and improve utilization rate Effect

Inactive Publication Date: 2008-01-09
LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the current characteristics of serious soil compaction, inability of surface water to infiltrate effectively into the ground and low survival rate of trees, the present invention provides a water delivery material for afforestation and a preparation method thereof. Practical issues such as effective infiltration of water

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] In terms of parts by weight, dissolve 15 parts of gelatinized starch in 67 parts of water, then add 10 parts of water glass, 0.03 parts of sodium lauryl sulfate and 8 parts of formaldehyde, stir well and pour it into a tubular mold. Cured for 18 hours, soaked and dried.

Embodiment 2

[0018] In terms of parts by weight, dissolve 18 parts of carboxymethyl starch in 69 parts of water, then add 8 parts of water glass, 0.05 parts of OP-10 and 5 parts of glutaraldehyde, stir well and pour it into a tubular mold. Cured for 6 hours, soaked and dried.

[0019] The prepared material is cut into about 30-40cm in length, and buried in the tree pit parallel to the trees during afforestation, the lower end is close to the root of the tree, and the upper end just exposes the filled soil layer. In order to collect rainwater, the top of the tree pit can be covered with mulch, and a small hole is made near the upper end of the material.

Embodiment 3

[0021] In terms of parts by weight, dissolve 11 parts of phosphate starch in 77.9 parts of water, then add 9 parts of water glass, 0.1 part of glycerin and 2 parts of acetaldehyde, stir evenly, pour into a tubular mold, and cure at 65 ° C for 15 hours. Soak, dry.

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Abstract

The present invention discloses a water-delivering material for afforestation and its preparation method. Said invention is a porous material made up by using modified starch and water-glass through a certain preparation process including foaming procedure.

Description

technical field [0001] The invention relates to the field of polymer synthetic materials. Specifically, the present invention relates to a water transport material for afforestation and a preparation method thereof. Background technique [0002] The natural ecology of the western region is extremely fragile, and the main sticking point is drought and water shortage. Due to the eolian characteristics of loess, its particle composition has obvious regional differentiation characteristics, so that the physical characteristics of soil moisture and soil moisture conditions show obvious regional differentiation characteristics, forming a unique soil moisture background. In arid areas with an annual precipitation of 200-400mm, due to strong natural evaporation, the soil is dry and hardened, and the soil layer is hard, which reduces the penetration of water, so that the insufficient precipitation cannot effectively infiltrate the ground, resulting in aggravated drought in the deep ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L3/04C08K5/00C08J5/00
Inventor 王爱勤邵士俊张琨
Owner LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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