The working principle of adult diapers is similar to that of baby diapers, relying on the coordinated function of the following components to achieve urine absorption and leakage prevention:
Surface Layer
Usually made of non-woven fabric, this layer directly contacts the skin, rapidly absorbing urine and transferring it to the next layer. Its soft and comfortable texture minimizes skin irritation, acting like a gentle protective film that reduces the direct contact time between urine and the skin.
Diversion Layer
Also composed of non-woven fabric, this layer evenly guides the urine absorbed by the surface layer to the absorption layer. Analogously, the diversion layer is like a traffic management system in a city, ensuring urine does not accumulate locally. This allows the diaper to absorb urine more efficiently, avoiding local thickening or leakage and ensuring a smooth and uniform absorption process.
Absorption Layer
This is the core part of the diaper, typically consisting of a core structure mixed with superabsorbent polymer (SAP) and fluff pulp, or a pure core structure (without fluff pulp). SAP is a remarkable material that can absorb hundreds or even thousands of times its own weight in water and has strong water retention. When urine is absorbed by the layer, SAP rapidly swells to lock in the urine and prevent backflow, acting like a powerful "water gate" that firmly traps urine inside the diaper.
Bottom Layer
Mostly made of PE film or PE film combined with non-woven fabric, this layer is breathable but waterproof. Its main function is to prevent urine leakage, keeping the user's clothes and bedding dry—similar to a waterproof layer in a house. Meanwhile, its breathability reduces stuffiness.
二、Applicable Populations and Scenarios
1. Elderly People
With age, the physical functions of the elderly decline, and some face urinary incontinence. According to incomplete statistics, the incidence of urinary incontinence among people aged 65 and above is as high as 15%-30%. For these seniors, adult diapers are essential to maintain dignity and comfort in daily life. Whether resting at home or going out for walks or medical visits, adult diapers allow them to move freely without constant worry about embarrassing situations.
2. Post-Operative Rehabilitation and Mobility-Impaired Individuals
Some patients who have undergone surgery, especially those involving the urinary or nervous systems, may experience short-term or long-term difficulties in urinary control during rehabilitation. Additionally, individuals with disabilities or mobility limitations due to accidents may struggle to reach the restroom in time. Adult diapers significantly improve their ability to live independently and reduce the burden on caregivers.
3. Special Work and Travel Scenarios
Beyond physical needs, adult diapers also play a crucial role in special situations. For example:
Long-haul drivers who cannot stop for restroom breaks during extended trips.
Outdoor adventurers in remote areas with limited access to toilet facilities.
Attendees of large events (e.g., concerts, sports competitions) facing crowded venues and long restroom queues. In such cases, adult diapers provide a practical solution to urgent needs.
三、How to Choose Suitable Adult Diapers
When faced with a wide range of adult diaper products, consider the following key factors to select the best fit for yourself or your family:
1. Product Certifications and Appearance
Certifications: The packaging should clearly list the product name, standard number, hygiene standard number, production license number, manufacturer’s name and address, main ingredients, specifications, grade, production date, and expiration date.
Appearance Check: Ensure the packaging is intact and free from damage or contamination, as a compromised package may indicate poor product quality.
2. Softness
Touch the surface of the diaper—it should be clean, free of impurities, soft, and smooth, without hard lumps, powder shedding, or pilling. High-quality, skin-friendly materials reduce friction and the risk of skin damage, especially for sensitive skin.
3. Stretchability
Gently stretch the waistband of the diaper. A good-quality product should have excellent elasticity and comfort. Choose the right size based on actual needs:
Too large: Prone to side leakage or back leakage.
Too small: May cause chafing and urine backflow. Typical size ranges:
Small (S): Hip circumference 84cm–116cm (34in–46in)
Medium (L): Hip circumference 112cm–137cm (44in–54in)
Large (XL): Hip circumference over 140cm (55in+)
4. Absorbency
Test absorbency by pouring a small amount of water onto the diaper and observing how quickly it is absorbed. Press a dry tissue on the surface—if the tissue remains dry, the diaper has strong absorbency. Efficient absorption reduces skin contact with urine, keeping the skin dry and minimizing the risk of skin problems.
5. Odor
A strong chemical smell may indicate the use of poor-quality materials. Opt for odorless products with minimal printing to reduce potential skin irritation from chemicals.
6. Brand and Reputation
Choose products from reputable brands purchased through formal channels. Well-known brands typically have stricter quality control and production processes, offering more reliable user experiences. Research product reviews and seek recommendations from others.
四、Common Questions Answered
1. Will Long-Term Use of Adult Diapers Affect Skin Health?
Yes, if poorly chosen or replaced infrequently: Low-quality, non-breathable diapers can cause skin redness, itching, or rashes.
Solution: Select breathable, skin-friendly diapers, replace them regularly, and keep the skin clean and dry. For example, wash the buttocks with warm water during each change and apply a protective barrier cream to safeguard the skin.
2. Can Adult Diapers Be Reused?
No. Adult diapers are single-use products. Reusing them reduces absorbency and increases the risk of bacterial growth, leading to poor leakage protection and potential health hazards. Always use a fresh diaper for hygiene and comfort.
3. How to Properly Wear and Change Adult Diapers?
Wearing:
Tape-style diapers: Unfold the diaper, slide it over the legs like underwear, adjust for a snug fit, and fasten the tapes according to waist size.
Pull-up style diapers: Simply pull them up like underwear.
Changing:
Open the tapes or tear the sides of the used diaper, removing it carefully to avoid soiling.
Clean the buttocks with warm water and a towel, then dry thoroughly.
Put on a new diaper to ensure a secure and comfortable fit.
As a practical care product, adult diapers bring convenience and dignity to many individuals in need. By understanding their principles, application scenarios, and selection criteria, we can better choose suitable products for ourselves or our families, enhancing quality of life.
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