Coolant

A technology of cold storage agent and auxiliary agent, applied in the field of cold storage agent, can solve the problems of narrow phase transition temperature range, small water absorption, slow water absorption speed, etc., and achieve the effect of improving the phase transition temperature range, fast water absorption speed and reversible process.

Inactive Publication Date: 2018-10-23
常州市蒽盗钟情生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a cold storage agent for the problems of slow water absorption speed, small water absorption and narrow phase transition temperature range in the existing cold storage agent

Method used

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Examples

Experimental program
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Effect test

preparation example Construction

[0030] The preparation method of super absorbent resin comprises the following steps:

[0031] (1) Take distiller's grains and crush them through a 100-mesh sieve. Take the sieved particles and mix them with catalyst and sodium carbonate according to the mass ratio of 20~25:1:3~6. Let stand for 1~2h, filter, and take the filter residue in an oven at 60~80°C After drying, move to the container and crack at 600-800°C for 4-7 hours at high temperature in a muffle furnace to obtain cracked slag. Take the cracked slag, add 25-35% of the cracked slag mass to infiltrate it, and paste it with 300W ultrasonic paste at 50-70°C. Melt for 5-10 minutes to get gelatinized product;

[0032] (2) In an ice-water bath, take acrylic acid at a mass ratio of 1:3~6 and add KOH solution with a mass fraction of 25~30% to mix, and stir at 220~260r / min for 30~45min to obtain a neutralizing solution, and add the gelatinized product Initiator with 3-6% gelatin mass, cross-linking agent with 4-8% gelatin...

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Abstract

The invention discloses a coolant, and belongs to the field of novel materials. The coolant is characterized in that sepiolite is used as the raw materials, puffed, and connected with sulfydryl groups, and the polarity groups in a structure of the sepiolite and carbomer dispersion can form hydrogen bonds with polarity groups in high water absorbent resin so as to substitute the lost water molecules around the polarity groups; the metal ions in the modified sepiolite interlayer structure are dissolved with carbomer, the ionized hydrogen ions generate one part of ion exchange, the produced metalions can provide conditions for the coordination crosslinking of macromolecules in the system, and the activity and stability of the internal biological macromolecules requiring cooling are effectively improved; the coordination crosslinking is physical crosslinking, the process is reversible, the phase change temperature range is further increased, and the cooling effect is improved; the problems of slow water absorbing speed, small water absorbing amount and narrow phase-transition temperature range in the existing coolant are solved.

Description

technical field [0001] The invention belongs to the field of new materials, and in particular relates to a cold storage agent. Background technique [0002] With the rapid development of society, people's requirements for the original taste of food are getting higher and higher, and the long-distance transportation of a large number of fresh food and native products, as well as the small batch, multi-variety, multi-frequency and short-term delivery of goods are increasingly demanding. Therefore, in recent years, the refrigerated transportation technology in the cold chain has developed rapidly. Cold storage materials are the key to cold storage technology. Ice is a kind of natural cold storage agent bestowed by nature to human beings. Although it has many valuable properties, it still cannot meet the increasing requirements of people. Cold storage agent is a translucent (or opaque), viscous jelly-like mixture composed of organic or inorganic compounds, which can absorb and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K5/06
CPCC09K5/066
Inventor 雷红军陈炎刘红妹
Owner 常州市蒽盗钟情生物科技有限公司
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