Polyurethane foam composition, polyurethane foam and method for producing the same, refrigeration device
By using a composite foaming agent of hydrofluoroolefins and bio-based polylactic acid copolyester, combined with polyols and carbon nanofibers, a synergistic foaming system is formed, which solves the problems of environmental compliance, low thermal conductivity and high strength of polyurethane foam, and realizes an ultra-microporous structure and high strength polyurethane foam.
CN122145755APending Publication Date: 2026-06-05TCL HOME APPLIANCES (HEFEI) CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- TCL HOME APPLIANCES (HEFEI) CO LTD
- Filing Date
- 2026-02-28
- Publication Date
- 2026-06-05
Smart Images
Figure CN122145755A_ABST
Abstract
The application discloses a polyurethane foam composition, a polyurethane foam and a preparation method thereof, and a refrigeration device, and the polyurethane foam composition comprises component A and component B, the component A comprises a polyol composition, a composite foaming agent, a nucleating agent, a reinforcing agent and an auxiliary agent, and the component B comprises an isocyanate compound, wherein the composite foaming agent comprises a hydrofluoroolefin foaming agent and a bio-based foaming agent, and the bio-based foaming agent comprises a polylactic acid-based copolyester. Through the synergistic effect between the components, the polyurethane foam prepared from the polyurethane foam composition has ultramicro-pore structure and low thermal conductivity, has low density and high strength, is suitable for multiple scenes, and is environmentally friendly and compliant.
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