Coating processes – Restoring or repairing
Patent
1994-04-21
1996-05-28
Lusignan, Michael
Coating processes
Restoring or repairing
427142, 427379, 4274071, 427409, 4274121, B32B 3500
Patent
active
055209556
ABSTRACT:
Aqueous spot fillers, containing at least one water dilutable, olefinically unsaturated binder, conventional pigments, fillers and adjuvants, corresponding to a solids content of
50-90 wt %
10-40 wt % of water and
0-10 wt % of one or more organic solvents,
the water dilutable, olefinically unsaturated binders containing anionic groups or groups convertible to anionic groups, corresponding to an acid number of 25-175 and being the reaction products of
A) 40-80 wt % of one or more polydiene oils,
B) 5-25 wt % of one or more polymerisable olefinically unsaturated monomers containing anionic groups or groups convertible to anionic groups,
C) 0-10 wt % of one or more bis-(2-oxazolines) and
D) 0-40 wt % of one or more ethylenically unsaturated monomers.
the percentages of A), B), C) and D) adding up to 100 wt %.
The spot fillers can be used for the preparation of multi-layer coatings, especially on motor vehicles.
REFERENCES:
patent: 4240938 (1980-12-01), Kraft et al.
patent: 4360120 (1982-11-01), Samuel et al.
patent: 4659589 (1987-04-01), Jimenez
patent: 5279862 (1994-01-01), Concoran et al.
Herberts Gesellschaft mit beschrankter Haftung
Lusignan Michael
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