Wet-laid mat and wet-laid mat with laminated sheet
A papermaking mat with uniform organic and inorganic fiber distribution and low organic content addresses uneven distribution and heat-induced decomposition, ensuring effective performance in exhaust gas purification systems.
WO2026140294A1PCT designated stage Publication Date: 2026-07-02IBIDEN CO LTD
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- IBIDEN CO LTD
- Filing Date
- 2025-06-05
- Publication Date
- 2026-07-02
AI Technical Summary
Technical Problem
Existing papermaking mats with organic nanofibrillated fibers are unevenly distributed, leading to areas with fewer inorganic fibers that weaken the mat's holding power and moldability, and organic fibers decompose under exhaust gas heat, further reducing effectiveness.
Method used
A papermaking mat with a specific ratio of organic to inorganic fiber diameters (0.1 to 1.5) ensures uniform dispersion, using organic and inorganic binders to maintain structural integrity and reduce organic content to less than 5% by weight, enhancing moldability and holding power.
Benefits of technology
The mat maintains holding power and moldability even when exposed to exhaust gas heat, minimizing gas generation and odor, with improved flexibility and bending strength.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure JP2025020331_02072026_PF_FP_ABST
Abstract
The present invention provides a wet-laid mat in which organic fibers and inorganic fibers are uniformly dispersed. The wet-laid mat according to the present invention contains a plurality of inorganic fibers, a plurality of organic fibers, and an organic binder and / or an inorganic binder, and is characterized in that the ratio of the average fiber diameter of the organic fibers to the average fiber diameter of the inorganic fibers ([average fiber diameter of organic fibers] / [average fiber diameter of inorganic fibers]) is 0.1-1.5.
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