双轴向非织造增强复合布
By using biaxial nonwoven reinforcing composite fabric in PVC sports flooring and fixing the yarn layer and fiberglass mat layer with adhesive, the problem of expansion and contraction of PVC flooring caused by temperature changes and long-term use is solved, achieving a sports flooring solution with high tensile strength and low cost.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CTC REINFORCEMENT SOLUTIONS(CHANGZHOU) CO LTD
- Filing Date
- 2025-04-15
- Publication Date
- 2026-07-17
AI Technical Summary
Existing PVC sports flooring is prone to localized bulging, warping, or seam cracking due to insufficient tensile strength of the nonwoven fabric during temperature changes and long-term use. Current technology is insufficient to effectively resist the expansion and contraction stress of PVC.
The biaxial nonwoven reinforced composite fabric consists of unidirectional yarn layers at zero and 90 degrees and glass fiber mat or nonwoven fabric layers, which are bonded together with adhesive to form a whole. The tensile strength is greater than 350 N/cm, and the yarn layers are laid in different directions to resist the expansion and contraction stress of PVC.
It effectively resists the expansion and contraction stress of PVC, prevents local bulging and cracking of the floor, improves tensile strength, reduces production costs and extends service life, and is suitable for sports flooring, wall reinforcement, external wall insulation and road repair.
Smart Images
Figure CN224510601U_ABST
Abstract
Claims
1. A biaxially nonwoven reinforced composite fabric, characterized by: The material comprises a first yarn layer (1) consisting of several parallel yarns unidirectionally oriented at a zero-degree angle (1-1), a second yarn layer (2) consisting of several parallel yarns unidirectionally oriented at a 90-degree angle (2-1), and a third felt / fabric layer (3) consisting of glass fiber felt or nonwoven fabric. The zero-degree angle unidirectionally oriented yarns (1-1) have a count of 34-200 tex and a density of 2-5 yarns / cm. The 90-degree angle unidirectionally oriented yarns (2-1) have a count of 34-200 tex and a density of 2-5 yarns / cm. The third felt / fabric layer (3) has a unit area weight of 25-90 g / m². The first yarn layer (1), the second yarn layer (2), and the third felt / fabric layer (3) are arranged sequentially from top to bottom and are bonded together to form a whole.
2. The biaxially nonwoven reinforced composite fabric of claim 1, wherein: The zero-degree angle unidirectional yarn (1-1) in the first yarn layer (1) and the 90-degree angle unidirectional yarn (2-1) in the second yarn layer (2) are bonded and fixed with glue at their intersection. The 90-degree angle unidirectional yarn (2-1) in the second yarn layer (2) and the glass fiber felt or non-woven fabric in the third felt / fabric layer (3) are bonded and fixed with glue at their intersection.
3. The biaxially nonwoven reinforced composite fabric of claim 1, wherein: Both the zero-degree angle unidirectional orientation yarn (1-1) and the 90-degree angle unidirectional orientation yarn (2-1) are glass fiber yarns.
4. The biaxially nonwoven reinforced composite fabric according to claim 1 or 2 or 3, characterized in that: The zero-degree angle unidirectional orientation yarn (1-1) has a count of 34-80 tex and a density of 2 or 3 yarns / cm, the 90-degree angle unidirectional orientation yarn (2-1) has a count of 80-200 tex and a density of 3-5 yarns / cm, and the unit area weight of the third felt / fabric layer (3) is 50-70 g / m².