Wholesale Hydrophilic Adl Nonwoven for Baby Diaper
| Customization: | Available |
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| Feature: | Anti-Bacterial, Anti-Pull, Anti-Static, Anti-Tear, Breathable, Eco-Friendly, Mothproof |
| Pattern: | Plain |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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Basic Info.
- Model NO.
- BYADL
- Thickness
- Medium Weight
- Usage
- Industrial
- Width
- 70/80/90mm
- Style
- Mesh,Suede,Non-Woven
- Color
- Customer's Requirement
- Absorption
- Soft Breathable
- Gram
- 25/35gram
- Using
- Baby Diaper/Adult Diaper
- Transport Package
- Export Standard
- Specification
- White or Colorful
- Trademark
- BAYEUX
- Origin
- China
- HS Code
- 5603129000
- Production Capacity
- 10000000
Packaging & Delivery
- Package Size
- 75.00cm * 75.00cm * 100.00cm
- Package Gross Weight
- 68.000kg
Product Description
| Width | 70/80/90mm |
| Weight | 25/30/35gsm |
| Color | White/Blue/Green/Can be designed by customer |
| Packing | Export packing by rolls |
| MOQ | 2000kgs |
| Delivery time | 7 days |
ADL Nonwoven (Acquisition-Distribution Layer) is a critical, high-performance component in modern disposable diapers. It is a specialized type of nonwoven fabric engineered to function as a "liquid management system," positioned between the top sheet and the absorbent core. Its primary role is to rapidly acquire, temporarily hold, and distribute liquid over a large surface area of the core, thereby maximizing the diaper's overall absorption efficiency and ensuring superior skin dryness.
1. Core Functions and Benefits
| Function | Mechanism & Benefit |
|---|---|
| Rapid Acquisition | Quickly pulls liquid away from the skin surface through the top sheet, reducing rewet and the feeling of wetness against the baby's skin. |
| Uniform Distribution | Spreads the liquid laterally (side-to-side and front-to-back) throughout the entire absorbent core, preventing localized saturation and core gel-blocking. |
| Temporary Reservoir | Holds a small amount of liquid before releasing it to the core, preventing gush-induced leaks during a large-volume urination. |
| Enhanced Core Efficiency | By distributing liquid evenly, it ensures the entire Super Absorbent Polymer (SAP) volume is utilized, allowing for a thinner, more efficient core design. |
2. Key Material Characteristics and Structure
ADL nonwovens are distinctly different from standard top sheet or back sheet nonwovens due to their unique structure:
-
High Porosity & Open Structure: Typically made using a through-air bonding (TAB) process. This creates a lofty, bulky, and highly porous 3D web with large void spaces, which is essential for fast liquid intake and air permeability.
-
Material Composition: Usually made from 100% polyester (PET) or PE/PET bicomponent fibers. PET is hydrophobic, meaning it does not absorb liquid but readily transports it via capillary action. The fibers are often crimped to enhance loft and resilience.
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Bicomponent Fibers: PE/PET fibers, where the PET provides strength and the low-melting-point PE sheath allows thermal bonding during the TAB process, creating a soft and durable fabric without the need for chemical binders.
3. Comparison: ADL vs. Standard Nonwovens
| Feature | ADL Nonwoven | Standard Top Sheet Nonwoven |
|---|---|---|
| Primary Function | Liquid management (acquisition & distribution) | Comfort & initial contact; fast liquid passage |
| Structure | Bulky, lofty, highly porous 3D network | Thin, flat, uniform 2D sheet |
| Material | Primarily hydrophobic PET | Often hydrophilic PP or PE/PP |
| Process | Through-Air Bonding (TAB) | Spunbond, Spunbond-Meltblown-Spunbond (SMS) |
4. Importance in Modern Diaper Design
The integration of an ADL is a key innovation that enables the performance of ultra-thin diapers. Without an ADL, a surge of liquid can overwhelm the core, leading to:
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Pooling on the surface.
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High Rewet (liquid being pushed back onto the skin).
-
Gel Blocking (SAP particles swelling and blocking further liquid penetration into the core).
The ADL effectively solves these problems, making it an indispensable component for high-quality, high-absorbency diapers that promote skin health by keeping the surface drier.
5. Industry Trends and Innovations
-
Zoned ADL Designs: Applying different basis weights or densities of ADL in specific areas (e.g., heavier in the target zone) for optimized performance.
-
Sustainable Materials: Development of ADLs using PLA (Polylactic Acid) fibers or fibers from recycled PET.
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Integrated Structures: Combining the ADL with the top sheet or core in a single, streamlined manufacturing process to reduce cost and thickness.
In summary, the ADL nonwoven is the unsung hero within a high-performance diaper. It is a sophisticated engineering material that transforms a simple absorbent pad into an efficient liquid management system, directly contributing to the core benefits of leakage protection, skin dryness, and ultimate comfort for the user.
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