Name: Polyurethane Dispersion With Outstanding Soft-touch Feeling And Good Fitness For Plastic And Paper Coating
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Polyurethane Dispersion With Outstanding Soft-touch Feeling And Good Fitness For Plastic And Paper Coating

Water‑based Polyurethane Dispersion with outstanding soft‑touch feeling and good fitness for plastic and paper coatings has been developed as a high‑performance binder system for surface finishing and tactile enhancement applications. This specialized aqueous polyurethane dispersion is engineered to deliver a harmonious balance of silky haptics, surface slip, and anti‑blocking properties, combined with excellent scratch and abrasion resistance, while its fine particle size and optimized rheology ensure smooth leveling and defect‑free film formation on both plastic (including low‑surface‑energy types) and porous paper substrates without impairing substrate texture or flexibility. In addition, its versatile adhesion profile provides reliable bonding to a wide range of plastic materials and paper surfaces, making it suitable for diverse coating scenarios. With a solvent‑free composition, a controlled pH and viscosity range for easy processing, and good mechanical stability, this polyurethane dispersion can be further upgraded with optional crosslinkers to tailor film hardness, chemical resistance, and heat resistance for more demanding industrial or consumer applications. Its balanced performance, low odor, and eco‑conscious formulation render it a sustainable and versatile choice for premium tactile coatings in packaging, consumer electronics, automotive interiors, and fine stationery.

Item No :
Waterborne Polyurethane Dispersion RHERI U222T
Application :
Plastic And Paper Coating
Special Feature :
Outstanding Soft-touch Feeling And Good Fitness

Description

Product Overview

Water‑based Polyurethane Dispersion with Outstanding Soft‑touch Feeling and Good Fitness for Plastic and Paper Coatings is a specially formulated, solvent‑free aqueous dispersion engineered to impart superior tactile properties and reliable adhesion to a wide range of plastic and paper substrates. This advanced waterborne polyurethane polymer combines silky haptics, surface slip, and anti‑blocking resistance with excellent scratch and abrasion resistance, while its fine particle size and controlled rheology ensure uniform film formation without compromising substrate flexibility, porosity, or printability. When optionally combined with a suitable crosslinker, this Waterborne Polyurethane Dispersion develops a reinforced crosslinked network that further enhances chemical resistance, heat resistance, and film hardness, making it suitable for demanding decorative and protective applications. It integrates seamlessly into conventional spray, roller, or gravure coating lines, providing a low‑VOC, APEO‑free solution that improves surface quality and durability of coated plastic and paper products. This product directly addresses the coating industry’s growing demand for sustainable, high‑touch surface finishes, delivering coated articles with premium tactile experience while meeting stringent performance and environmental standards for packaging, consumer electronics, automotive interiors, and fine stationery.

Polyurethane Dispersion

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Key Features

◊ Outstanding Soft‑Touch Haptics and Anti‑Blocking Performance

This polyurethane dispersion is precisely formulated with a tailored soft‑segment content and ultrafine particle size to impart a silky, velvety tactile sensation while simultaneously providing excellent anti‑blocking and anti‑scratch properties. The low film‑formation temperature and controlled surface energy ensure that the cured film remains non‑tacky even under moderate pressure or elevated temperature, effectively preventing surface sticking during stacking or handling. This unique combination makes it particularly suitable for applications where both aesthetic appeal and functional durability are critical, such as consumer electronics housings, luxury paper packaging, automotive interior trims, and high‑end stationery.

◊ Balanced Mechanical Durability and Film Integrity

Engineered with an optimized hard/soft segment architecture, this urethane‑based aqueous colloidal binder delivers an outstanding balance of scratch resistance, abrasion resistance, and elastic recovery, while retaining sufficient flexibility to accommodate substrate expansion, contraction, or bending without cracking or delamination. The resulting film exhibits excellent mar resistance and maintains its initial tactile quality after repeated mechanical contact—a significant advantage over conventional soft‑feel coatings that often sacrifice wear resistance for haptic effect. When optionally combined with a compatible crosslinker, the film can further develop a reinforced network that enhances chemical resistance and heat resistance without compromising its soft‑touch character.

◊ Broad Substrate Compatibility and Coating Process Adaptability

This aqueous polyurethane dispersion demonstrates exceptional wetting and adhesion to a wide variety of plastic substrates—including polyethylene (PE), polypropylene (PP), PET, ABS, and PC—as well as to both coated and uncoated paper materials with varying porosity and surface roughness. Its controlled viscosity range (200–2000 mPa·s, Brookfield) and shear‑thinning behavior facilitate seamless integration into conventional spray, roller, gravure, or flexographic coating lines, ensuring uniform film deposition, excellent leveling, and minimal orange‑peel defects. The fine particle size (typically <1 μm) enables the formation of thin, transparent coatings that preserve the substrate’s original visual appearance and printability while dramatically enhancing its tactile feel.

◊ Sustainable, Solvent‑Free, and Production‑Friendly Formulation

As a completely solvent‑free, APEO‑free, and NMP‑free system, this polyurethane dispersion drastically reduces volatile organic compound (VOC) emissions and eliminates hazardous air pollutants, thereby supporting compliance with stringent environmental regulations such as GB/T 38597, REACH, and EU Ecolabel criteria. Its water‑based nature simplifies clean‑up, reduces waste disposal costs, and improves workplace safety. The dispersion also offers reliable storage stability (6 months at 20 °C in closed containers) and maintains consistent rheology and particle size within the recommended temperature range (5–30 °C), minimizing production downtime and batch‑to‑batch variations. This eco‑conscious, low‑odor profile, combined with its superior tactile and mechanical performance, provides a responsible and economically viable solution for high‑quality surface finishing in the packaging, electronics, and automotive industries.

Parameter	Typical Value	Unit	Notes
Appearance	Milky white	–	Visual inspection
Solid Content	30±1	%	Can be adjusted for formulation
Viscosity (25°C, Brookfield RV)	200 - 2000	mPa·s	Spindle 3, 20 rpm
pH-value (25°C) pH	7.5 - 9.5	/	/
Recommended Solvents	Water	–	For formulation compatibility
Shelf Life	6	months	Stored in sealed containers at 5°C ~35 °C
Storage	Cool, dry place	–	Avoid direct sunlight and moisture

Applications

◊ Consumer electronics enclosures and accessories – This polyurethane aqueous dispersion serves as a premium tactile topcoat for plastic housings made of PC, ABS, PC/ABS blends, and nylon, commonly used in smartphones, tablets, laptops, wearables, and audio devices. Its ultrafine particle size and tailored soft‑segment content deliver a silky, velvety handfeel that significantly enhances user experience, while the excellent anti‑blocking and scratch‑resistant properties ensure the coating withstands daily handling, pocket abrasion, and surface contact without marring or tackiness. The dispersion can be applied by conventional spray or roller coating, and when optionally crosslinked with a water‑dispersible isocyanate, the film‑forming polyurethane binder develops a reinforced network that further improves chemical resistance against hand lotions, sweat, and cleaning agents, making it ideal for high‑end consumer products where both aesthetics and durability are paramount.

◊ Premium packaging and luxury paper products – For folding cartons, rigid boxes, gift wrappers, labels, and book covers, this elastic polyurethane dispersion provides a distinctive soft‑touch finish that elevates brand perception and tactile differentiation. Its controlled rheology and fine particle distribution enable smooth, pinhole‑free coating on both coated and uncoated paper substrates, preserving print clarity and color vibrancy while imparting a pleasant non‑slip grip. The cured film exhibits outstanding block resistance, preventing adjacent surfaces from sticking during stacking, storage, and transportation, which is critical for high‑speed packaging lines. Additionally, its solvent‑free, low‑odor nature complies with food‑contact regulations (upon appropriate formulation) and supports sustainable packaging initiatives, offering a responsible alternative to solvent‑borne or film‑laminated tactile finishes.

◊ Automotive interior trims and components – Applied to instrument panels, door inserts, center consoles, and armrests made of PP, PVC, or thermoplastic olefins (TPO), this polyurethane colloidal binder delivers a refined soft‑touch surface that reduces glare and improves passenger comfort. Its balanced hard/soft segment architecture provides excellent abrasion resistance and scuff resistance, ensuring long‑lasting appearance even under repeated contact and UV exposure (when stabilized with suitable light absorbers). The dispersion’s excellent adhesion to low‑surface‑energy plastics, combined with its flexibility to accommodate substrate curvature and temperature variations, prevents cracking or delamination over the vehicle’s service life. It integrates seamlessly into existing spray or robotic coating lines, and its water‑based formulation significantly reduces VOC emissions in cabin environments, meeting stringent automotive interior air quality standards (e.g., VDA 278).

◊ Fine stationery, cosmetics packaging, and specialty paper goods – For premium pens, notebooks, cosmetic compact cases, perfume boxes, and high‑end gift cards, this polyurethane aqueous emulsion imparts a luxurious tactile experience while offering superior resistance to fingermarks, light scratches, and rubbing. Its low film‑formation temperature allows coating on heat‑sensitive substrates without distortion, and its excellent transparency maintains the underlying graphics and metallic effects. The dispersion can be easily tinted with compatible pigments or dyes to achieve custom colors, and its good recoatability enables multi‑layer effects for creative designs. The cured coating also provides moderate water repellency and stain resistance, protecting paper surfaces from accidental spills and handling, thereby extending product shelf appeal and user satisfaction.

◊ Flexible films, labels, and shrink sleeves – For plastic films (PET, BOPP, PE) and self‑adhesive label stock requiring a non‑tacky, soft‑touch surface that does not interfere with printing or lamination, this polyurethane dispersion offers an ideal solution. Its fine particle size and excellent wetting properties ensure defect‑free coating at high line speeds via gravure or flexographic processes, while its anti‑blocking performance prevents roll sticking during winding and unwinding. The dispersion’s inherent flexibility accommodates film elongation and bending without cracking, preserving the soft‑touch effect even after severe deformation. When combined with a compatible crosslinker, the urethane dispersion can further enhance solvent resistance and heat resistance for demanding applications such as shrink labels subjected to hot‑air tunnels, providing a durable and aesthetically appealing finish that differentiates branded products on crowded retail shelves.

Benefits

◊ Exceptional soft‑touch haptics – This soft‑feel polyurethane dispersion delivers a silky, velvety feel with excellent transparency, preserving underlying graphics and metallic effects. Its low film‑formation temperature enables defect‑free coating on heat‑sensitive plastics and paper, providing a premium tactile experience that strongly differentiates branded products.

◊ Superior anti‑blocking and scratch durability – The polyurethane film‑forming colloid forms a tough yet flexible film that effectively prevents surface sticking under stacking or humid conditions. Its balanced hard/soft segments impart outstanding mar and abrasion resistance, maintaining the soft‑touch appearance after repeated handling. Optional crosslinking further enhances chemical and heat resistance without compromising tactile quality.

◊ Broad substrate adhesion – This aqueous urethane dispersion exhibits excellent wetting to low‑surface‑energy plastics (PE, PP, PET, ABS, PC) and various paper substrates. Its controlled viscosity (200–2000 mPa·s) and shear‑thinning rheology ensure uniform coating, strong interfacial bonding, and no peeling or cracking even after bending and die‑cutting.

◊ Sustainable and production‑friendly – Completely solvent‑free, APEO‑free, and NMP‑free, this polyurethane dispersion minimizes VOC emissions and meets REACH and GB/T 38597. With stable pH (7.5–9.5), 6‑month shelf life, and seamless integration into spray, roller, gravure, or flexo lines, it reduces cleanup costs and supports eco‑conscious, high‑quality finishing for packaging, electronics, and automotive interiors.

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