Composition for self-suction adhering foam sheet and self-suction adhering foam laminate sheet
US12215257B2 · kind B2 · utility
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13Claims
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Key dates
| Filing date | Mar 23, 2020 |
| Grant date | Feb 4, 2025 |
| Priority date | — |
| Expiry date | Oct 31, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09J2433/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Provided is a composition for a self-suction adhering foam sheet that can be used to obtain a self-suction adhering foam laminate sheet that has excellent air releasability while also inhibiting formation of resin residue on metal after weathering. The composition for a self-suction adhering foam sheet contains a polymer including an unsaturated carboxylic acid monomer unit in a proportion of not less than 0.1 mass % and not more than 20 mass %, a cross-linker, and 1.5 parts by mass or more of a higher fatty acid salt per 100 parts by mass of the polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.