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Cooling nursing bag with soft texture and long cooling time

A cooling time and soft technology, applied in the field of cooling nursing bag preparation, can solve the problems of gradual temperature gradient, short cooling time, inability to meet physical cooling needs, etc.

Pending Publication Date: 2022-06-03
DALIAN 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

Sensible heat cooling mainly uses the temperature change of substances to achieve cooling. The main problems are that the cooling time is short, the cooling effect is poor, and the temperature changes gradually, so it cannot meet the physical cooling needs of medical care.
However, after freezing, the water presents a hard plate or block shape, which cannot be closely combined with the cooling parts of the patient, especially for ankles, wrists, necks and other body parts with curved shapes, the cooling effect of the ice cooling care bag is great. discount

Method used

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  • Cooling nursing bag with soft texture and long cooling time
  • Cooling nursing bag with soft texture and long cooling time
  • Cooling nursing bag with soft texture and long cooling time

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A cooling care bag with soft texture and long cooling time, including the following steps:

[0031] (1) Methyl methacrylate, monofluorotrichloromethane, alkyl betaine sulfonic acid, triethylenediamine, and dimethylformamide are in a mass ratio of 50%: 2%: 1%: 2%: 45 % uniformly mixed, and polymerized at 80°C for 90 minutes to form porous polymethyl methacrylate through polymerization;

[0032] (2) The water-based polyurethane and ethanol are formed into a uniform solution according to the volume fraction of 40%: 60%, and the porous polymethyl methacrylate obtained in step (1) is immersed in the solution, so that the solution completely submerges the porous polymethacrylate methyl methacrylate, soaking the porous polymethyl methacrylate obtained in step (1) for 24 hours by vacuum impregnation method at room temperature, so that the porous polymethyl methacrylate is filled with the aqueous polyurethane solution;

[0033] (3) Take out the saturated porous polymethyl metha...

Embodiment 2

[0040] A cooling care bag with soft texture and long cooling time, including the following steps:

[0041] (1) Dimethicone, pentane, N-alkyliminodiacetic acid sodium salt, tetramethylbutanediamine and triethylamine are in a mass ratio of 70%: 0.5%: 0.5%: 1%: 28% uniform mixing, polymerizing at 50°C for 200 minutes, forming porous polydimethylsiloxane through polymerization;

[0042](2) A uniform solution of water-based epoxy and diethyl ether is formed according to the volume fraction of 20%: 80%, and the porous polydimethylsiloxane obtained in step (1) is immersed in the solution, so that the solution completely submerges the porous polydimethylsiloxane. Methyl siloxane, using the pressure dipping method to impregnate the porous polydimethylsiloxane obtained in step (1) for 48 hours at room temperature, so that the porous polydimethylsiloxane is filled with the aqueous polyester solution;

[0043] (3) Take out the saturated porous polydimethylsiloxane from the aqueous epoxy ...

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Abstract

The invention discloses a cooling nursing bag with soft texture and long cooling time, which is characterized in that a porous polymer structure is prepared through polymerization reaction, the surfaces of the obtained polymer pores are coated with a hydrophilic coating, then water is adsorbed in the internal pores of the polymer, and by utilizing the soft characteristic of the polymer and the high solid-liquid phase change energy density of the water, the cooling nursing bag with the soft texture and the long cooling time is obtained. The cooling nursing bag is soft in texture and long in cooling time. The cooling nursing bag with the soft texture and the long cooling time can be widely applied to medical nursing institutions and is used for physical cooling of fever patients, bruise elimination of bruise and sprain patients and the like.

Description

technical field [0001] The invention relates to a preparation method of a cooling nursing bag with soft texture and long cooling time, belonging to the field of medical nursing equipment. Background technique [0002] Cooling care bag is the first choice for physical cooling and cooling physiotherapy widely used in medical and health institutions. The cooling principle of the cooling care bag mainly includes sensible heat cooling and latent heat cooling. Sensible heat cooling mainly uses the temperature change of the material to achieve cooling. The main problems are that the cooling time is short, the cooling effect is poor, and the temperature is gradually changing, so it cannot meet the physical cooling needs of medical care. Latent heat cooling is to achieve cooling by releasing the cooling energy through the phase change process after the substance absorbs a certain amount of cooling. The cooling process can be stabilized at a specific temperature for a long time, and ...

Claims

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Application Information

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IPC IPC(8): A61F7/10C09K5/06C08J9/42C08L33/12C08L83/04
CPCA61F7/10C08J9/42C09K5/066C09K5/06C08J2463/00C08J2475/04C08J2333/12C08J2383/04A61F2007/108Y02E60/14
Inventor 史全董宏生寇艳解卓学尹楠
Owner DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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