可冲散无纺布制备新工艺及应用
By combining the control of the moisture content of the wet substrate with vacuum negative pressure roller embossing, the problem of unclear patterns in washable nonwoven fabrics after soaking was solved, achieving long-term maintenance of embossed patterns and improvement of physical properties, resulting in significant energy-saving effects.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- YOUNAI NEW MATERIALS (HENAN) CO LTD
- Filing Date
- 2024-05-31
- Publication Date
- 2026-07-17
AI Technical Summary
Existing washable nonwoven fabric products tend to have their embossed patterns become unclear after being soaked in wet wipe liquid, making it difficult to maintain clarity for a long time.
By controlling the moisture content of the wet substrate to be between 280% and 350%, vacuum negative pressure rollers are used for embossing during the embossing process, with an embossing pressure of (20±2) kgf/cm2. After forming the embossed substrate, the moisture content is 200% to 300%, and the moisture content of the dry substrate is controlled to be 6% to 9% during the drying process to ensure the tight bonding of fibers in the embossed area.
The prepared washable nonwoven fabric retains the clarity of the embossed pattern after being soaked in wet wipe liquid. Its physical properties are comparable to those of existing plain weave nonwoven fabrics, while saving energy and exhibiting excellent softness and hand feel.
Smart Images
Figure CN118686003B_ABST