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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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Known in the industry as Baby Diaper Glue, this adhesive plays a pivotal role. Hot Melt Adhesive (HMA) is the preferred choice for its superb bonding capabilities. Recognized as Pressure-Sensitive Adhesive (PSA),this essential ingredient in disposable diaper manufacturing is a thermoplastic, solvent-free adhesive applied in its molten form to create a robust bond as it cools. This 'invisible' hero ensures the diaper's intricate, multi-layered architecture remains intact, greatly influencing its durability, functionality, and gentle comfort for the wearer.
Cutting-edge adhesive systems are the backbone of today's high-performance diapers, making them possible.
HMA is integral to virtually every phase 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 demanding conditions, diaper adhesives need a distinct and sophisticated property profile:
High-Tack & Fast Setting: Adhesives must latch on swiftly in high-speed production environments, often churning out over 500 diapers per minute.
Strong Adhesion: They must forge enduring bonds between diverse materials, such as polyolefin films and non-woven fabrics.
Softness & Flexibility: The adhesive line is required to maintain flexibility without becoming brittle, ensuring the diaper remains soft and comfortably conforms to the baby's movements.
Resistance to Water & Body Fluids: The adhesive bonds should withstand exposure to urine and moisture, maintaining their integrity.
Breathability (for specific types): Certain HMAs are engineered to be micro-porous, facilitating the creation of breathable laminates.
Safety & Compliance: It is imperative for adhesives to be non-toxic, hypoallergenic, and devoid of harmful substances (compliance with regulatory standards such as EU Toy Safety, FDA, and REACH is essential).
The adhesive's characteristics are defined primarily 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. |
The majority of commercial diaper adhesives consist of complex blended formulationsthat amalgamate these polymers with:
Tackifiers: Used to enhance the adhesive's stickiness.
Plasticizers/Oils: Employed to modulate viscosity and increase flexibility.
Antioxidants: Incorporated to prevent thermal degradation and ensure product longevity.
Odor Control: The trend is towards developing low-odor and odor-neutralizing adhesives for an enhanced 'clean' perception.
Plant-Based & Renewable Materials: There is significant research into bio-based tackifiers and polymers, aiming to boost sustainability.
Application Technology: Innovative, non-contact spray systems like spiral spray are employed to optimize adhesive use, ensuring better coverage and a softer hand-feel while reducing waste.
PACKING&SHIPPING
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