Heat activated pressure sensitive adhesive
US9453148B2 · kind B2 · utility
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5References
10Claims
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Key dates
| Filing date | Dec 2, 2013 |
| Grant date | Sep 27, 2016 |
| Priority date | — |
| Expiry date | Dec 2, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09J153/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A composition having three components. The first component is from 20 to 80 wt % of a styrene-diene block copolymer having from 10-30 wt % polymerized units of styrene, wherein the block copolymer is present as a dispersion of copolymer in water, and the dispersion contains less than 5 wt % organic solvent based on total dispersion weight. The second component is from 0.5 to 20 wt % of a plasticizer. The third component is from 20 to 80 wt % of a tackifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.