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| Customization: | Available |
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| Application: | Construction, Packing, Diaper |
| Bonding Function: | Structural Adhesive |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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item
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Baby diaper glue
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Toxicity
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None
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Composition
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Synthetic Resins
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Model
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8822/8106/895
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Place of Origin
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China
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Classification
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Hot Melt Adhesives
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Main Raw Material
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Other
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Usage
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for making baby diaper and adult diaper
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Packaging
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20 Kg/box
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Appearance
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Solid
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Colour
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Transparent/Yellow
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Shelf Life
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2 years
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Packaging
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20 Kg/box about 1Kg/cake, wrapped with fusible films
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Baby Diaper Glue, commonly referred to as Hot Melt Adhesive (HMA) or Pressure-Sensitive Adhesive (PSA), plays a pivotal role in crafting high-quality disposable diapers. This thermoplastic, solvent-free adhesive is applied in a molten state, creating a robust bond as it cools. Often unseen, this essential material is the unsung hero that binds together the intricate, multi-layered structure of a diaper, ensuring its durability, optimal performance, and exceptional comfort.
Without these sophisticated adhesive systems, the innovation and advanced performance of today's diapers wouldn't be possible.
HMA is indispensable, contributing to nearly every aspect of diaper assembly:
| Application Area | Specific Function |
|---|---|
| Construction / Lamination | Bonding the layers together: the Top Sheet (non-woven), Absorbent Core (fluff & SAP), and Back Sheet (PE film). |
| Elastic Attachment | Securing the leg elastics and waist elastics to the non-woven materials, creating the crucial leak-guard cuffs. |
| Core Stabilization | "Locking" the fluff pulp and Super Absorbent Polymer (SAP) in place within the core to prevent shifting and clumping (Anti-Bunching). |
| Fastening System | Used in the assembly of hook-and-loop tabs (e.g., Velcro®-style closures) and adhesive tapes. |
| Standing Leg Cuffs | Providing the initial "pop-up" structure for inner leg barriers. |
In the demanding world of diaper production, adhesives must exhibit a suite of specialized properties:
High-Tack & Fast Setting: Capable of quick bonding on high-speed production lines, which can exceed 500 diapers per minute.
Strong Adhesion: Ensures a strong, lasting bond between various materials like polyolefin film and soft non-woven fabric.
Softness & Flexibility: The adhesive must remain supple and avoid brittleness, providing a diaper that is soft and moves seamlessly with the baby.
Resistance to Water & Body Fluids: The adhesive bonds must be resilient against breakdown when exposed to urine and moisture.
Breathability (for specific types): Some HMAs are engineered with micro-porous properties, facilitating the creation of breathable laminates.
Safety & Compliance: Must ensure non-toxicity, hypoallergenic nature, and the absence of harmful substances (compliance with regulations like EU Toy Safety, FDA, REACH, etc. is imperative).
The base polymer is crucial in defining the adhesive's attributes:
| Type | Pros | Cons | Common Uses |
|---|---|---|---|
| SBS (Styrene-Butadiene-Styrene) | Cost-effective, high tack, good adhesion. | Lower resistance to heat and oxidation (can yellow). Can be too stiff. | Core stabilization, some lamination. |
| SIS (Styrene-Isoprene-Styrene) | Softer, more flexible, excellent tack. Good low-temperature performance. | Moderate heat resistance. | Elastic attachment, ideal for leg cuffs where softness is critical. |
| APAO (Amorphous Poly-Alpha-Olefin) | Excellent heat & aging resistance, good water resistance, very clean (colorless). | Higher cost, lower tack. | Lamination of backsheet and topsheet, where a clean appearance and durability are key. |
The majority of commercial diaper adhesives are complex blended formulations,integrating these polymers with:
Tackifiers: To boost stickiness and bonding capability.
Plasticizers/Oils: To fine-tune viscosity and enhance flexibility.
Antioxidants: To guard against thermal degradation and maintain stability.
Odor Control: Innovative low-odor and odor-neutralizing adhesives create a fresher, 'cleaner' sensory experience.
Plant-Based & Renewable Materials: Ongoing research into bio-based tackifiers and polymers enhances sustainability.
Application Technology: Cutting-edge, non-contact spray systems, such as spiral spray, optimize adhesive use, offering better coverage and a softer hand-feel.
PACKING&SHIPPING
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