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US 11,530,341 B1Granted
Spray adhesive
AssigneeSoudal
InventorsGuy De Houwer, Bart Forier, Jaro Happaerts
Life of this patent
Estimating the term…
Abstract
The present invention relates to a spray adhesive essentially consisting of: (i) from 5 to 30% by weight of an adhesive mixture comprising one or more styrenic block copolymers, and optionally one or more tackifying resins, and either (ii) from 20 to 40% by weight of a mixture comprising hydrocarbon solvents and propellants, and (iii) from 30 to 75% by weight of a VOC-exempt diluent. The present invention also relates to a portable aerosol can, spray cylinder, cannister, or container onto which a nozzle for spraying can be provided, containing the spray adhesive.
Claims11
An adhesive spray, comprising:
- (i) from 5 to 30% by weight of an adhesive mixture comprising one or more styrenic block copolymers and one or more tackifying resins, wherein a percentage weight ratio of the styrenic block copolymer(s) relative to the tackifying resin(s) varies from 3:1 to 1:1,
- (ii) from 20 to 40% by weight of a mixture comprising nonaromatic, non-halogenated hydrocarbon solvents, and propellants, wherein the solvents are not VOC exempt, and
- (iii) from 30 to 75% by weight of a VOC-exempt diluent, the VOC-exempt diluent being different from the solvents.
Dependencies are inferred from the claim text.