Solventless adhesive composition and method for preparing the same
US12116507B2 · kind B2 · utility
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13Claims
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Key dates
| Filing date | Apr 4, 2019 |
| Grant date | Oct 15, 2024 |
| Priority date | — |
| Expiry date | Mar 13, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09J2475/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A solventless adhesive composition is provided. The solventless adhesive composition comprises (A) an isocyanate prepolymer having a side chains represented by —R2—(O—R1—O)n—R3 and (B) an isocyanate-reactive component, and exhibits improved bond strength, heat seal strength, adhesive COF property and optical appearance. A laminate product prepared with said solventless adhesive composition as well the method for preparing the laminate product are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.