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US 2004/0103986 A1Published application
Cleaning agent for PVC surfaces
AssigneeHenkel Kommanditgesellschaft auf Aktien
InventorsHorst Hoffmann, Karl-Heinz Rogmann, Joerg Gehrke, Horst Kleinert
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Abstract
The invention relates to a method for adhesive bonding a PVC surface comprising cleaning a PVC surface with an aqueous alkaline cleaning composition and applying an adhesive to the cleaned PVC surface.
Claims8
An aqueous alkaline cleaning agent having the following composition:
- A) 2 to 30 wt. % of a compound having an alkaline reaction in an aqueous medium,
- B) 1 to 30 wt. % of a complexing agent,
- C) 5 to 40% of a compound with at least one hydroxyl group,
- D) 1 to 15 wt. % of a surfactant based on fatty alcohols,
- E) 1 to 30 wt. % of a rinsing auxiliary agent,
- F) 0 to 8 wt. % of water-soluble colorants and builders,
3 more elements
Dependencies are inferred from the claim text.