Paint, in particular for temporary road markings, containing biodegradable polymers
AssigneesInvestive Holding, GM Agri
InventorsGerard Messant, Yves Ortais
Life of this patent
Estimating the term…
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.
Claims14
Temporary paint detachable with a detachment agent including a nonionic surfactant and having a pH of between 3 and 6, characterized in that said paint includes:
- 10 to 50% by mass of an alkyd resin of natural origin in an aqueous emulsion, said alkyd resin having a molar mass Mp of between 3000 g/mol and 100,000 g/mol, a polydispersity index Ip of between 1 and 20, an oil length of between 20 and 40%, and an acid index of between 16 and 35, preferably between 18 and 35, and even more preferably between 18 and 30;
- at least one mineral filler and/or pigment;
- water quantum satis.
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Dependencies are inferred from the claim text.