Reinforced rigid polyurethane foam material and method for manufacturing the same
The use of glass fiber yarn and controlled foaming process in rigid polyurethane foam production addresses inefficiencies and environmental issues, enhancing mechanical strength and heat retention for cold environments.
JP7873363B1Active Publication Date: 2026-06-11JIANGSU YOKE TECH
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- JIANGSU YOKE TECH
- Filing Date
- 2024-05-30
- Publication Date
- 2026-06-11
Smart Images
Figure 0007873363000001_ABST
Abstract
This invention discloses a reinforced rigid polyurethane foam material and a method for producing the same, and belongs to the field of polymer materials. The material comprises 5 to 10 parts glass fiber yarn, 40 to 60 parts aromatic polyether polyol, 30 to 50 parts aromatic polyester polyol, 30 to 50 parts toluene diisocyanate, 40 to 60 parts polymethylene polyphenyl polyisocyanate, 5 to 10 parts flame retardant, 5 to 15 parts blowing agent, 1 to 5 parts catalyst, and 1 to 5 parts surfactant. This invention enables continuous production of reinforced rigid polyurethane foam material, improves the tensile properties of the material by more than 20%, improves the utilization rate of glass fibers by more than 5%, and can be widely used in the field of liquefied gas storage and transportation.
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