Celulozni eter odličnost — zaupanja vredno več kot 1000 podjetij po vsem svetu Pridobite brezplačen vzorec
LANDERCOLL HEC pomaga proizvajalcem vodnih premazov izboljšati učinkovitost zgoščevanja, stabilnost viskoznosti, suspenzijo pigmentov in polnil, uporabnost ter stabilnost med skladiščenjem v formulacijah notranjih, zunanjih, temeljnih in dekorativnih premazov.
HEC (hidroksietil celuloza) je primarni celulozni eter, ki se uporablja v vodnih premazih. Deluje kot zgoščevalec v vodni fazi in modifikator reologije, ki nadzoruje viskoznost, podpira suspenzijo pigmentov in polnil, izboljša nanašanje s čopičem in valjčkom, pomaga zmanjšati kapljanje ter ohranja stabilno konsistenco v posodi med skladiščenjem.
Vodne barve · HEC
Nadzor viskoznosti in suspenzija pigmenta za enakomerno nanašanje s čopičem in valjčkom.
Emulzija · Pigment · ReologijaVodne barve so premazni sistemi, pri katerih voda služi kot primarna tekoča faza in disperzijsko sredstvo. Vključujejo polimerne emulzije, pigmente, polnila, dodatke in funkcionalne modifikatorje za zagotavljanje dekoracije, zaščite površine, barve, gladkosti ali specializiranih lastnosti na številnih podlagah in v različnih okoljih.
Tipični vodni premazi vključujejo notranje stenske barve, zunanje stenske barve, lateks barve, emulzijske barve, temeljne premaze, teksturne premaze, fasadne premaze, hidroizolacijske premaze, zaščitne premaze in izbrane industrijske premaze. Prehod na vodne sisteme še naprej narašča, saj formulacijski strokovnjaki iščejo nižjo vsebnost VOC in boljšo skladnost z okoljskimi zahtevami.
Tipična formulacija vodnega premaza vključuje polimerno emulzijo, titanov dioksid, pigmente, polnila, vodo, dispergante, vlažilna sredstva, sredstva proti penjenju, konzervanse, modifikatorje pH, koalescentna sredstva, modifikatorje reologije in celulozni eter.
celulozni eter — natančneje HEC (hidroksietil celuloza) — se uporablja kot primarno zgoščevalo vodne faze in modifikator reologije. Nadzoruje viskoznost, podpira suspenzijo pigmentov in polnil, izboljšuje obnašanje pri nanašanju s čopičem in valjčkom, pomaga zmanjšati kapljanje na navpičnih površinah ter ohranja stabilno konsistenco v posodi med skladiščenjem in distribucijo.
Without suitable thickening and rheology control, water-based coatings face performance and stability failures that affect both manufacturing quality and end-user experience. Too low viscosity causes pigment settling, splashing, and sagging. Too high viscosity or poor rheology increases brush drag and roller marks. Unstable storage leads to hard sediment layers difficult to re-disperse.
LANDERCOLL HEC helps build viscosity in the water phase and supports a balanced coating structure. It keeps pigments and fillers suspended while allowing the coating to flow smoothly under application force — and then recover sufficient body to resist sagging after application.
Cellulose ether helps water-based coatings achieve thickening efficiency, viscosity control, rheology behavior, pigment suspension, filler stability, brush and roller application, leveling support, anti-sag support, storage stability, and coating uniformity.
Water-based coatings must maintain stable in-can consistency, suspend pigments and fillers during storage, and deliver smooth brush and roller application with controlled leveling and anti-sag behavior. LANDERCOLL HEC helps manufacturers deliver products that perform consistently from production to end use.
HEC builds viscosity in the water phase, improving in-can appearance, application control, and suspension stability at typical dosages of 0.2%–1.0%.
Provides water-phase structure that flows smoothly under brush or roller force and recovers body to resist sagging on vertical surfaces.
HEC is the primary LANDERCOLL cellulose ether product for water-based coating applications — delivering reliable thickening, viscosity stability, pigment suspension, and flow control in polymer emulsion systems.
HEC is widely used across interior wall coatings, exterior wall coatings, latex paints, emulsion paints, primers, decorative coatings, and selected industrial water-based coatings. It is a non-ionic, water-soluble cellulose ether with broad compatibility with anionic dispersants, surfactants, and polymer emulsions commonly used in water-based systems.
HEC hydrates readily in water and builds viscosity efficiently, providing consistent thickening performance across a range of coating types and pigment volume concentrations.
Water-based coating formulations vary by binder type, pigment and filler loading, target viscosity, application method, substrate, and market performance requirements.
| Komponenta | Function in Water-Based Coatings |
|---|---|
| Polimerna emulzija | Main film-forming binder. |
| Titanov dioksid | Provides whiteness and hiding power in selected coatings. |
| Pigments | Provide color and decorative appearance. |
| Fillers | Adjust opacity, texture, body, cost balance, and coating properties. |
| Voda | Main dispersion medium. |
| Dispergatorji | Help disperse pigments and fillers uniformly. |
| Sredstva za omočenje | Improve surface wetting and pigment dispersion. |
| Sredstva proti penjenju | Reduce foam during production and application. |
| Konzervansi | Support in-can stability and microbial protection. |
| Sredstva za uravnavanje pH | Adjust formulation pH and stability. |
| Koalescentna sredstva | Support film formation in selected systems. |
| Cellulose Ether (HEC) | Improves viscosity, rheology, suspension, and application performance. |
| Drugi dodatki | Adjust leveling, open time, surface feel, durability, or special functions. |
Different water-based coating systems require different HEC viscosity profiles, suspension support, and rheology behavior. This table provides a practical starting reference.
| Water-Based Coating Type | Priporočen izdelek | Glavne zahteve glede učinkovitosti |
|---|---|---|
| Interior Water-Based Coatings | HEC | Nadzor viskoznosti, gladka aplikacija, suspenzija pigmenta. |
| Exterior Water-Based Coatings | HEC | Podpora proti povešanju, nosilec premaza, obstojnost pri shranjevanju. |
| Water-Based Wall Coatings | Srednje viskozen HEC | Čopičljivost, nanašanje z valjčkom, podpora za izravnavo. |
| Water-Based Primers | Low to medium viscosity HEC | Flow control, penetration balance, stable viscosity. |
| Water-Based Undercoats | Srednje viskozen HEC | Body, coverage support, suspension stability. |
| Decorative Water-Based Coatings | Srednje do visoke viskoznosti HEC | Texture control, consistency, application stability. |
| High-PVC Water-Based Coatings | Srednje do visoke viskoznosti HEC | Suspenzija polnil, polnost, podpora proti usedanju. |
| Industrial Water-Based Coatings | Izbrana stopnja HEC | Viscosity stability, compatibility, controlled flow. |
The dosage of HEC in water-based coatings depends on coating type, target viscosity, pigment and filler loading, PVC level, HEC viscosity grade, binder system, and application method.
In water-based coating formulations, HEC supports thickening, rheology control, pigment and filler suspension, brush and roller application, leveling, anti-sag behavior, and storage stability — the properties formulators and end users evaluate most directly.
HEC builds viscosity in the water phase of coating formulations. Proper thickening improves in-can appearance, application control, coating body, suspension stability, and overall formulation consistency. At typical dosage levels of 0.2%–1.0%, HEC can build a wide range of target viscosities depending on grade selection and formulation conditions.
Water-based coatings require carefully balanced flow behavior. They must remain stable in the container, flow smoothly during brush or roller application, and recover sufficient body to resist sagging on vertical surfaces. HEC contributes to this rheological balance by providing water-phase structure that responds appropriately to shear forces during application.
Titanium dioxide, calcium carbonate, kaolin, talc, silica, and colored pigments must remain evenly distributed during storage. HEC increases water-phase viscosity and structure, reducing the rate of pigment and filler settling and supporting more consistent color, opacity, and texture.
HEC supports smoother application by improving coating consistency, transfer efficiency, spreading behavior, and application feel during brushing and rolling. A well-thickened coating picks up and releases from the brush or roller more consistently, reducing uneven application.
Good leveling helps reduce visible brush marks, roller marks, and uneven film appearance in the dried coating. HEC supports flow balance when properly selected and dosed within the complete formulation system.
For vertical wall coatings and thicker applications, HEC helps improve coating body and structural recovery after application, reducing the risk of sagging or running on vertical surfaces before the film dries.
HEC helps maintain viscosity and suspension stability during storage. This reduces pigment and filler settling, prevents hard sediment formation, and supports more consistent coating performance after extended shelf aging or temperature variation during distribution.
Many water-based coating stability and application problems are related to viscosity, rheology, and suspension — areas where HEC grade and dosage selection directly affect performance.
Insufficient thickener, poor hydration, unsuitable grade.
Improve viscosity build and coating body.
Weak suspension, low viscosity, heavy pigments or fillers.
Support pigment and filler suspension.
Poor suspension system, low viscosity, additive incompatibility.
Improve formulation stability.
Neuravnotežena reologija, napačna viskoznost, nezdružljivi dodatki.
Support flow and leveling balance.
Low viscosity, poor rheology, excessive water content.
Support controlled application behavior.
Weak structural recovery, low thickener efficiency, high film build.
Improve body and anti-sag support.
Poor filler dispersion, unsuitable viscosity, unstable formulation.
Support smoother application consistency.
Poor hydration, pH effects, surfactant or preservative impact.
Izboljša stabilnost viskoznosti z izbiro razreda.
Understanding the variables that influence HEC behavior in water-based coatings helps formulators make better grade selections, optimize dosage, and avoid common production and stability problems.
Different polymer emulsions — acrylic, VAE, styrene-acrylic, pure acrylic — affect viscosity response, compatibility, and film formation. HEC grade selection should be evaluated with the specific binder system.
TiO₂, calcium carbonate, kaolin, talc, silica, and colored pigments influence viscosity demand, suspension stability, and opacity. Higher filler loading increases thickening demand on HEC.
High pigment volume concentration systems typically require stronger suspension support and greater coating body control, often benefiting from medium to high viscosity HEC at upper dosage ranges.
Formulation pH and the timing of pH adjustment during production can influence HEC hydration rate, viscosity development, and long-term stability.
Dispersants and surfactants affect pigment dispersion quality, foam behavior, viscosity development, and compatibility with HEC.
Defoamers and preservatives may influence coating stability, viscosity, and application behavior. Compatibility with HEC should be evaluated during formulation testing.
HEC must be properly dispersed and fully hydrated to deliver target viscosity. Poor hydration may cause lumps, delayed viscosity development, or unstable viscosity.
Mixing speed, addition sequence, hydration time, temperature, and shear conditions can all affect final viscosity and coating stability.
Too little HEC may not provide sufficient thickening or suspension. Too much may reduce leveling, increase brush drag, or produce excessive application resistance.
Choosing the right HEC grade requires balancing viscosity target, rheology profile, pigment suspension needs, application method, leveling requirements, anti-sag support, and storage stability.
What type of water-based coating are you producing? (interior, exterior, primer, decorative, industrial)
What target viscosity range (mPa·s or KU) do you need?
What polymer emulsion system is used?
What pigment and filler system is included, and at what loading level?
What pigment volume concentration does the formulation have?
Do you need stronger suspension, better leveling, or anti-sag support?
What application method is used: brush, roller, spray, or trowel?
What pH range and additive system are used?
What production process and hydration time are available?
What storage stability requirement is needed? (temperature range, shelf life)
LANDERCOLL can help review your water-based coating formulation direction and recommend a suitable HEC grade for testing.
Zahtevajte tehnično podporoLANDERCOLL HEC for water-based coatings is supplied in industrial packaging suitable for coating production, transportation, and storage. Full product documentation is available on request.
LANDERCOLL provides product-related documentation to support water-based coating formulation testing, purchasing review, and internal approval processes.
If your water-based coating has low viscosity, pigment or filler settling, storage separation, poor leveling, roller spatter, sagging on vertical surfaces, rough application feel, or unstable viscosity during storage, the HEC grade or dosage may need to be reviewed.
LANDERCOLL can help evaluate suitable HEC options based on your binder system, pigment and filler system, PVC level, target viscosity, application method, and storage stability requirement.
HEC grade selection for target viscosity and rheology.
Pigment and filler suspension support.
Flow and leveling discussion.
Anti-sag support guidance.
Brush, roller, and spray application performance.
Storage stability support.
Dosage reference and starting point recommendations.
Sample and quotation communication.
HEC (Hydroxyethyl Cellulose) is the most widely used cellulose ether in water-based coatings. It improves thickening, viscosity control, pigment and filler suspension, rheology behavior, brush and roller application performance, and storage stability across interior wall coatings, exterior wall coatings, latex paints, emulsion paints, primers, and decorative coatings.
HEC builds viscosity in the water phase, stabilizes pigments and fillers against settling, improves brush and roller application consistency, supports leveling, helps reduce sagging on vertical surfaces, and maintains stable in-can viscosity during storage. It is a non-ionic thickener compatible with anionic dispersants and polymer emulsions.
Thickening helps coatings maintain product body, reduce pigment and filler settling during storage, improve application control during brushing and rolling, reduce sagging on vertical surfaces, and support uniform coating appearance in the dried film. Without adequate thickening, coatings become watery, unstable, and difficult to apply consistently.
A common reference dosage range is 0.1%–1.0% by weight, depending on coating type, target viscosity, pigment and filler loading, PVC level, and formulation design. Interior coatings typically use 0.2%–0.7%, while high-PVC decorative coatings may require up to 1.0%. Final dosage must be confirmed through viscosity testing and stability evaluation.
Yes. HEC increases water-phase viscosity and structural support, which helps slow the rate of pigment and filler settling during storage. This supports more consistent color, opacity, and texture from the first use to the last. However, the complete suspension system — including dispersants, filler particle size, and formulation balance — also plays an important role.
HEC can support leveling by helping control the rheology profile of the coating. A properly selected HEC grade contributes to balanced flow behavior during and after application. However, final leveling performance also depends on binder type, surfactants, dispersants, defoamers, and viscosity balance across the full shear rate range.
HEC primarily improves fresh coating properties such as viscosity, suspension, rheology, and application stability. Final coating durability — including scrub resistance, weather resistance, adhesion, and film integrity — depends primarily on binder type, pigment system, additives, film formation conditions, substrate preparation, and curing.
Viscosity loss may be caused by poor HEC hydration during production, unsuitable grade selection, pH effects, surfactant or dispersant incompatibility, preservative interactions, high electrolyte content, temperature changes during storage, or excessive shear during mixing. Systematic storage stability testing and grade review can help identify and resolve the root cause.
Start by defining your coating type, target viscosity, binder system, pigment and filler loading, PVC level, pH range, additive system, application method, and storage stability requirement. Then contact LANDERCOLL with these parameters — our technical team can recommend suitable HEC grades and provide samples for formulation evaluation.
Whether you produce interior water-based coatings, exterior wall coatings, latex paint, emulsion paint, primers, undercoats, decorative coatings, high-PVC coatings, or selected industrial water-based coatings, LANDERCOLL HEC helps you achieve better viscosity control, pigment and filler suspension, smooth application performance, leveling support, and reliable storage stability.
LANDERCOLL supplies HEC cellulose ether to water-based coating manufacturers and paint formulators worldwide. Contact us today to receive an HEC grade recommendation, request samples, or get a competitive quote for your formulation project.
