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| Customization: | Available |
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| Application: | Construction, Packing, Diaper |
| Bonding Function: | Structural Adhesive |
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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, more accurately known as Hot Melt Adhesive (HMA) or Pressure-Sensitive Adhesive (PSA), is an essential element in the creation of disposable diapers. This thermoplastic, solvent-free adhesive is applied in a molten state and solidifies to form an unbreakable bond upon cooling. This 'invisible' wonder material ensures the cohesion of a diaper's complex, multi-layered structure, crucially affecting its durability, effectiveness, and comfort.
Without these sophisticated adhesive systems, the modern, high-performance diapers we rely on wouldn't exist.
HMA plays a vital role in nearly every aspect of diaper construction:
| 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. |
To excel in such a demanding product, diaper adhesives need a distinctive set of attributes:
High-Tack & Fast Setting: It must secure quickly on high-speed production lines, which often exceed the remarkable speed of 500 diapers per minute.
Strong Adhesion: Capable of forming a robust bond between diverse materials like polyolefin film and non-woven fabric.
Softness & Flexibility: The adhesive line must stay flexible and avoid brittleness, guaranteeing the diaper remains soft and comfortably moves with the baby.
Resistance to Water & Body Fluids: The bonds must remain intact when exposed to urine or moisture.
Breathability (for specific types): Certain HMAs are designed to be micro-porous, facilitating the creation of breathable laminates.
Safety & Compliance: It must be non-toxic, hypoallergenic, and free from harmful substances (compliance with standards like the EU Toy Safety, FDA, and REACH is crucial).
The adhesive's attributes are defined by its base polymer:
| 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. |
Most commercial diaper adhesives are meticulously blended formulations, incorporating these polymers with essential components like:
Tackifiers: To enhance stickiness.
Plasticizers/Oils: To fine-tune viscosity and flexibility.
Antioxidants: To ward off thermal degradation.
Odor Control: Creation of low-odor and odor-neutralizing adhesives, offering a 'cleaner' user experience.
Plant-Based & Renewable Materials: Exploration of bio-based tackifiers and polymers in the quest for enhanced sustainability.
Application Technology: Cutting-edge, non-contact spray systems, such as the spiral spray, which use less adhesive while ensuring superior coverage and a softer touch.
PACKING&SHIPPING
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