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Views: 0 Author: Site Editor Publish Time: 2025-08-18 Origin: Site
With the widespread application of water-based coatings in the fields of construction, wood, industrial and functional films, water resistance, coating film stability and storage stability have become important factors that restrict performance. The hydrophobic modified nanocellulose developed by Nanjing Tianlu Nano Technology Co., Ltd. has achieved a significant improvement in the performance of water-based coatings through surface chemical modification. The following are specific application cases and comparison analysis.
Experimental design : Add 1% hydrophobic modified nanocellulose dispersion to the water-based wood paint , and compare the reference paint without nanocellulose.
| The effect of adding by the index | hydrophobic modified nanocellulose | is enhanced | . |
|---|---|---|---|
| Coating hardness | HB | 2H | + Level 2 |
| Water resistance (24 hours of water immersion) | The paint film expands and slightly bubbles | Intact and non-expanding | Significantly improved |
| Sagging | medium | Excellent, smooth construction | Significant improvement |
| Storage stability | 3 months of easy settlement and stratification | 12 months of uniform suspension | Extended by more than 4 times |
Analysis : Hydrophobically modified nanocellulose forms a three-dimensional network in the paint film, which not only supports the pigment filler, but also enhances the water resistance and mechanical properties of the paint film, and significantly improves the construction experience.
Experimental design : Add 2% hydrophobic modified nanocellulose to the aqueous industrial coating system, compared with the unadded system.
| The effect of index | adding hydrophobic modified nanocellulose | is enhanced | without adding |
|---|---|---|---|
| Coating adhesion | Level 3 | Level 5 | + Level 2 |
| Moisture and heat resistance | Slight cracks in the coating | The coating is perfect | Significant improvement |
| Pigment settlement | obvious | Basically no settlement | Improved stability |
| Wear resistance | ordinary | Increased by more than 30% | Significantly improved |
Analysis : Hydrophobically modified nanocellulose can effectively disperse pigment fillers in industrial coatings, form a network structure that is resistant to moisture and heat, and improve the adhesion and wear resistance of the coating film.
Adding 1.5% hydrophobic modified nanocellulose to the food packaging film and electronic functional film can significantly improve water resistance and mechanical strength. The membrane material still maintains a complete structure in a high humidity environment, with barrier properties improved by about 35% and mechanical strength increased by about 25%.
Application summary :
High dispersion and suspension stability : Ensure that the water-based system is evenly distributed for a long time, without sedimentation or stratification.
Enhanced water resistance : The hydrophobic modified surface makes the coating or film material stable in water or moisture environment.
Improved mechanical properties : coating hardness, wear resistance, adhesion, etc. have been significantly improved.
Green and environmentally friendly : Natural cellulose is a raw material, degradable, without harmful residues, and meets environmental protection requirements.
As a professional nanocellulose and hydrophobic modified nanocellulose manufacturer ，Nanjing Tianlu Nano Technology Co., Ltd. provides:
Highly dispersible hydrophobic modified nanocellulose dispersion liquid
Customizable solid content (1%-5%), particle size and hydrophobic modification type
Laboratory technical support and formula optimization
Stable large-scale supply capacity to meet industrial production needs
Through practical application cases, hydrophobic modified nanocellulose can effectively improve the performance of water-based coatings and functional films, and is an ideal choice for upgrading green and environmentally friendly materials.
