水性粘合剂组合物
By adding nanocellulose and isocyanate crosslinking agents to water-based adhesives, the oxygen barrier properties are enhanced, solving the problem of high oxygen permeability of water-based adhesives in flexible food packaging, and achieving low-cost and environmentally friendly barrier performance improvement.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- DOW GLOBAL TECHNOLOGIES LLC
- Filing Date
- 2021-08-17
- Publication Date
- 2026-07-17
AI Technical Summary
Existing water-based adhesives have insufficient oxygen barrier properties in flexible food packaging, resulting in high oxygen permeability and making it difficult to meet the requirements for reducing oxygen permeability. Furthermore, issues such as inorganic particle sedimentation and crystalline polymer solvents limit the improvement of barrier performance.
An aqueous adhesive composition based on acrylic emulsion is used, with the addition of nanocellulose and isocyanate crosslinking agent to form enhanced oxygen barrier properties, which is used to bond the membrane layers together to form a multilayer laminated structure.
It improves the oxygen barrier properties of the laminate, reduces oxygen permeability, simplifies the packaging structure, reduces costs, and meets environmental protection requirements, making it suitable for flexible packaging and recycling.
Smart Images
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