A fibrous sensor for smart diapers and its preparation and application
A fibrous, sensor technology, applied in the field of diapers, can solve the problems of foreign body sensation, increased cost of smart diapers, etc., and achieve the effects of light weight, convenient charging and reusability, and simple and convenient use
Active Publication Date: 2022-05-31
DONGHUA UNIV
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- Abstract
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- Claims
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Problems solved by technology
[0006] In order to solve the problems of increased cost of smart diapers and the existence of foreign body sensation caused by the presence of metal materials and inorganic semiconductor materials in sensors in existing smart diapers, the present invention provides a fibrous sensor for smart diapers and its preparation and application
Method used
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Experimental program
Comparison scheme
Effect test
Embodiment 1A
[0058] The composite fiber is a straight line as a whole along the fiber axis, and the diameter of the composite fiber is 50 μm, and the breaking stress is
[0059] The fibrous sensor (1 cm long composite fiber) was inserted into the circuit and the fibrous sensor was immersed in urine
Embodiment 2A
[0066] The composite fiber is overall linear along the fiber axis, and the diameter of the composite fiber is 200 μm, and the breaking stress is
[0067] The fibrous sensor (1 cm long composite fiber) was inserted into the circuit and the fibrous sensor was immersed in urine
Embodiment 3A
[0074] The composite fiber is overall linear along the fiber axis, and the diameter of the composite fiber is 150 μm, and the breaking stress is
[0075] The fibrous sensor (1 cm long composite fiber) was inserted into the circuit and the fibrous sensor was immersed in urine
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Abstract
The invention relates to a fibrous sensor for intelligent diapers and its preparation and application. The method is to firstly mix homogenized bacterial cellulose nanofibers and ultrasonically dispersed carbon materials in water, and then carry out freeze-drying to obtain a composite; and then configure the prepared composite as a spinning solution for dry-wet spinning to obtain a composite fiber, that is, a fibrous sensor. The fibrous sensor is connected to the circuit, and the fibrous sensor is immersed in urine for testing. The test result is: the current through the fibrous sensor before immersion is I 0 , the current through the fiber-shaped sensor after immersion is I, and (I‑I 0 ) / I 0 The value of ×100% is greater than or equal to 1×10 within 1 second 3 %. When the fibrous sensor is applied to smart diapers, the fibrous sensor is placed in the outer non-woven fabric layer. Due to the special flexibility of the fiber, the fiber sensor of the present invention is very suitable to be installed in the diaper and can be used repeatedly.
Description
A fibrous sensor for intelligent diapers and its preparation and application technical field The invention belongs to the technical field of diapers, relate to a kind of fibrous sensor for intelligent diapers and preparation thereof and application. Background technique [0002] With the aging of the population, the problem of old-age care has become extremely serious. In the face of this serious problem of The three-child birth policy is adopted to alleviate the pension problem, and diapers are necessary for infants or incontinent elderly. The product is widely used in the market (CN109124885A). Diapers, also known as diapers, diapers, diapers, are worn on the human body On or under the body, the purpose is to prevent casual urination. The diapers on the market have used strong absorbent Some water-absorbing materials can absorb water up to 50 times their own weight (eg CN110575317A, CN205814543U). Of course However, diapers often only have the function of abso...
Claims
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IPC IPC(8): D01F2/00D01F1/10G01N27/00
CPCD01F2/00D01F1/10G01N27/00
Inventor 陈仕艳梁欠倩张冬吴雨晨韩志良李晶屈向阳徐杰林吉鹏王华平
Owner DONGHUA UNIV