HOT MELT ADHESIVE
FOR HYGIENE AND NONWOVEN BONDING
Demand for nonwoven and high-performance hygiene hot melt adhesive continues to increase as the need for disposable hygiene products and medical products, such as disposable baby diapers, pull-up pants, feminine sanitary napkins, adult diaper, underpads, surgical dressing, medical plaster and medical fixing tape.
Hot Melt Adhesives By Needs
Despite the face that hot melt adhesives are only a small parts of the total materials used in disposable hygiene products and medical products, they play a fundamental role in delivering the enhanced functionality required for meeting the changing demands of consumers.
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Hot Melt Adhesive Tailored to Your Industry
Today, the hygiene and medical industry are driven by hot melt adhesives innovation designed to reduce waste, and improve safety. Their role in the transformation of hygiene and medical solutions and products in the market, cannot be underestimated.
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Construction Hot Melt Adhesive
SUNREE offers construction hot melt glue which has a wide variety of the industry proven, whether it be rubber based or olefin based technology, that provide optimized performance and supply assurance. The levels of bond strength achieved across a wide variety of materials enables customers to easily manage material substitutions, gaining increased production flexibility and material cost savings.
- High performance bonding at low add-on levels.
- Enhanced security of supply with our olefin based nonwoven hygiene construction adhesive product lines.
- Delivers proven performance, even under elevated ambient temperatures.
- Excellent thermal stability, delivering low color and low odor.
- It can be applied with all types of slot, nozzle and spray.
- Clean adhesive application with no “angel hairs”, resulting in minimal machine interventions to maximize production efficiencies.
- Tolerant to variations in application settings while maintaining performance on final product.
Elastic Hot Melt Adhesive
SUNREE offers elastic attachment hot melt glue which provides state-of-the-art performance to deliver the ultimate creep resistance at the lowest coat weights. It provides strong bonds for areas where high shear resistance is needed on baby diapers and pant diapers.
- Exceptionally high creep resistance maintained across very low add-on levels.
- Reliable and immediate fixation of the elastic strand.
- Maintains superior creep resistance in long open time conditions.
- High shear resistance for ear, tab, or insert attachment applications .
- Potential to decrease coat weight.
- It can be applied slot or spray coated.
Positioning Hot Melt Adhesive
SUNREE offers positioning hot melt glue with industry proven performance. It can be applied across a variety of back sheets, as well as the release material or directly to the back sheet. Consumers will be confident in the final product performance, eliminating the risk of complaints.
- Excellent anchorage to a wide variety of back sheet materials.
- Reliable positioning adhesive performance maintained across a wide variety of garment textiles and over time.
- Performance levels achieved immediately and remain stable even after long-term storage.
- Potential to eliminate staining on breathable PE or siliconized release paper.
- It can be applied via transfer or direct applications, such as slot and spray.
- Clean adhesive application resulting in minimal machine interventions to maximize production efficiencies.
- Low coat weights can be achieved with no impact on performance.
Wetness Indicator Adhesive
SUNREE offers wetness indicator adhesive which has high humidity resistance, a low odor, and virtually eliminates premature wetness indicator color change. A fast, dark blue color indication happens immediately in response to urine and is a definitive visual change that lasts.
- Faster indication speed upon insult, it will indicate in the presence of urine in less than 30 seconds.
- Clear and noticeable indication.
- Improved color migration, there is no migration when tear the back sheet from the core.
- Lower odor, it's odor level of adhesives and finished products are comparatively low.
- Humidity resistant and thermally stable, it doesn't change color, after put in the 38℃ RH90% oven for 8 hours.
- Improved safety, AOX less than 5mg/kg.
Bio-based Hot Melt Adhesive
SUNREE offers biology-based construction hot melt glue, which of good bond strength and stable adhesion performance. Increasing environmental awareness of consumers and subsequent regulations is driving the hygiene industry to improve the sustainability of its products and processes.
- About 80% ingredients from the natural bio-based materials.
- Great bonding performance remains strong across wide ranges of substrates, improve the quality of finished products.
- Great aging and temperature resistance properties.
- Excellent thermal stability, delivering low carbide and low clogs to reduce the wastage and improve the production cost.
- It can be applied using the same glue equipment used with traditional hot melt adhesives, slot, nozzle and spray applications.
- Tolerant to variations in application settings while maintaining performance on final product.
Low Temperature Adhesive
SUNREE offers several lower application temperature hot melt glues that drive sustainability and safety for the manufacturers of disposable hygiene products. It can be applied at a temperature around 130℃ to 140℃, as opposed to the 160℃ to 175℃ required for standard hot melt adhesives.
- It can minimize strike through on the thinner top sheet, back sheet and core wrap materials.
- The viscosity profile allows application at lower application temperatures.
- Reduce material usage and less waste, reduce the risk of burn-through on thinner substrates.
- Less energy to heat lines and tanks contributes to lower CO2 emissions, bringing one step closer to the sustainability goals.
- It can improve safety and reduce the wear and tear on line machine.
- Cleaner operational conditions with lower temperature adhesives, which increases line efficiency and reduce downtime.
Medical USE Adhesive
SUNREE offers tapes adhesives, secure stick to skin. Skin is the largest organ in the human body, and it varies greatly from person to person. Skin can be fragile, wet, elastic, oily, dry, or any number of combinations. Choosing the right skin attachment hot melt adhesive is both fundamental and critical when designing a medical tapes, bandages, wound dressings, fixing tape, incision film, medical drapes, gowns and patch to ensure successful attachment to the skin.
- It offers a variety of performance, balancing adhesion and ease of removal.
- It is skin-friendly with long-term wear and suitable for all skin types.
- It can minimize surgical impact on the skin, and bond quickly to sterilized skin.
- It can maintain adhesion under stress and sweat.
- It is solvent-based acrylic technologies and hot melt PSA technology.
- It brings different benefits and are used for different applications.
Specialty Adhesive
SUNREE offers top-notch performance in very specific and demanding applications, including stretchable laminates and hook and loop tapes attachment, etc.
- High performance bonding at low add-on levels.
- Delivers proven performance, even under elevated ambient temperatures.
- Excellent thermal stability, delivering low color and low odor.
- Clean adhesive application with no “angel hairs”, resulting in minimal machine interventions to maximize production efficiencies.
- Tolerant to variations in application settings while maintaining performance on final product.
The FAQs You Might Want To Know
These frequently asked questions mention almost answers you might want to know before buying hot melt adhesive. We hope these informations could help you make a better decision.
What is hot melt adhesive?
Hot melt adhesive, also known as hot melt glue and HMA, it is a thermoplastic adhesive, its physical state will change with the temperature at a certain temperature range, with unchanged chemical properties. It is solid at room temperature, melts when heated, and the formation of the bond is from molten to solid. The main composition is resin, mineral oil, SIS/SBS or polyolefin.
The common technical indicators of hotmelt adhesive: Gardner, Brookfield viscosity, initial adhesion, softening point, open time, curing time, thermal stability, aging resistance, creep resistance, bonding strength.
What is brookfield viscosity?
Brookfield viscosity of hot melt adhesive influences the spread of applied adhesive and the wetting of the surfaces. Temperature-dependent, the higher temperature lowers viscosity.
What is open time of hot melt adhesive?
The maximum time interval from the applications of hot melt adhesive until the surface can still be bonded to the materials, it has a good bonding effect in open time.
What is initial adhesion of hot melt adhesive?
Ability to bond other materials under light pressure.
What is thermal stability of hot melt adhesive?
Hot melt adhesive is observed in the high-temperature oven for different days of change, the smaller the change, the better thermal stability.
What is aging resistance of hot melt adhesive?
The extent to which the bonding strength or adhesive force changes over time during storage of the bonding system at toom temperature.
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