Paint, in particular for temporary road markings, containing biodegradable polymers
US9309418B2 · kind B2 · utility
0Cited by
3References
16Claims
0Family size
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Inventors
Key dates
| Filing date | Oct 10, 2012 |
| Grant date | Apr 12, 2016 |
| Priority date | — |
| Expiry date | Oct 10, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/14
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to removable temporary paint having a release agent including a non-ionic surfactant and having a pH of 3 to 6. The paint includes: 10 wt % to 50 wt % of a natural alkyd resin in an aqueous emulsion, the alkyd resin having a molar mass Mp of 3,000 g/mol to 100,000 g/mol, a polydispersity index lp of 1 to 20, an oil length of 20% to 40%, and an acid index of 10 to 35; at least one inorganic filler and/or pigment; and a sufficient amount of water. The paint can be used as eco-friendly road paint for temporary markings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.