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Gel type ice and snow material with adjustable solidification temperature and transmittance and preparation method thereof

A technology of solidification temperature and light transmittance, applied in chemical instruments and methods, other chemical processes, etc., to achieve the effect of prolonging the life cycle and expanding application scenarios

Inactive Publication Date: 2020-05-15
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, none of the above technologies can realize the non-water separation and loss of water after the artificial snow material is heated and melted, and still maintain the original shape and ice clarity.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] (1) Polymerized monomer acrylamide 3g, N-isopropylacrylamide 1.5g, N-tert-butylacrylamide 0.5g, crosslinking agent N, N-methylenebisacrylamide 0.1g, thermal initiator Potassium persulfate 0.2g, catalyst tetramethylethylenediamine 0.001g, coagulation temperature and light transmittance regulator sodium chloride 8g, calcium chloride 22g are dissolved in 100g water, fully stirred until completely dissolved and then prepared by vacuum defoaming treatment A gel-type ice and snow material precursor solution is obtained.

[0039] (2) Inject the body-dispelling solution described in step (1) into a container or a mold, and cover the container or mold with a glass sheet treated with surface hydrophobic treatment; heat to 70°C, react for 3 hours, and make it completely solidify to obtain the solidification temperature And the acrylamide gel-type ice and snow material with adjustable light transmittance.

Embodiment 2

[0041] (1) Polymerize monomer N-phenylacrylamide 8g, diacetone acrylamide 17g, crosslinking agent hydroxypropyl methacrylate 0.02g, photoinitiator 2-ketoglutaric acid 0.01g, catalyst tetramethylethyl ether Dissolve 0.02 g of diamine, 0.2 g of glycerin as a coagulation temperature and light transmittance regulator in 100 g of water, stir well until completely dissolved, and perform vacuum defoaming to obtain a gel-type ice and snow material precursor solution.

[0042] (2) Inject the body-dispelling solution described in step (1) into a container or a mould, and cover the glass sheet with surface hydrophobic treatment above the container or the mould; adopting a wavelength of 365nm ultraviolet light irradiation, the irradiation time is 0.5 hour, It is completely solidified to obtain an acrylamide gel-type ice and snow material with adjustable solidification temperature and light transmittance.

Embodiment 3

[0044] (1) Add 1.0g of sodium alginate, 1.6g of solubilizer soft white sugar, 0.9g of sucrose, 0.35g of soluble divalent metal ion salt calcium sulfate, 0.15g of calcium chloride, and tetrasodium pyrophosphate as a cross-linking speed regulator according to the mass specific gravity. 0.002 g, 0.2 g of plasticizer corn starch, 0.2 g of gelling agent xanthan gum, 0.23 g of temperature and light transmittance regulator sodium chloride, and 0.06 g of calcium chloride are fully mixed.

[0045] (2) dissolving the coagulation temperature and light transmittance regulator in 5 g of water to obtain a coagulation temperature regulation solution;

[0046] (3) dissolving the mixed powder in step (1) in the coagulation temperature regulating solution described in step (1), fully stirring until completely dissolved, and then performing vacuum degassing to prepare a gel-type ice and snow material precursor solution;

[0047](4) Inject the precursor solution described in step (3) into a conta...

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PUM

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Abstract

The invention relates to a gel type ice and snow material with adjustable solidification temperature and transmittance and a preparation method thereof, wherein the preparation method comprises the specific steps: firstly, taking an acrylamide polymerization monomer, a cross-linking agent, an initiator, a catalyst, a solidification temperature and transmittance regulator as raw materials to prepare an acrylamide ice and snow material; secondly, taking sodium alginate, a solubilizer, soluble divalent / trivalent metal ion salt, a crosslinking speed regulator, a plasticizer, a gelatinizing agent,a solidification temperature and a light transmittance regulator as raw materials, and carrying out ionic crosslinking to obtain the sodium alginate gel type ice and snow material. By blending the rawmaterial components, the solidification temperature of the gel type ice and snow material can be regulated and controlled within a wide range, and the synthesized material has the characteristics ofgood formability and easiness in processing.

Description

technical field [0001] The invention relates to the field of preparation and processing of new materials, in particular to a gel-type ice and snow material with adjustable solidification temperature and light transmittance and a preparation method. Background technique [0002] The crystal clear ice and the whiteness and moistness of the snow give the ice and snow culture a unique charm, making people fascinated by the colorful world of ice and snow. However, the life of ice and snow works such as ice sculptures and snow sculptures is short and fragile, because the increase in ambient temperature will cause ice and snow to melt into water, lose their original structure and shape, and cannot be preserved for a long time. At the same time, the poor formability and processability of ice and snow make it impossible to become a processed material, such as decorations, souvenirs, ornamentals, toys, etc., which has become a huge obstacle to the close integration of ice and snow wit...

Claims

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Application Information

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IPC IPC(8): C08F220/56C08F222/38C08F220/54C08F220/58C08F220/20C08F2/44C08K3/16C08K5/053C08F2/48C09K3/24
CPCC08F2/44C08F2/48C08F220/56C08F220/58C08K3/16C08K5/053C08K2003/162C09K3/24C08F220/54C08F222/385C08F220/20
Inventor 张凯渐南南程杨洋
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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