Abstract:
A process for the preparation of a coating layer comprising the steps:(a) applying a coating layer to a substrate from a coating agent of which the resin solids comprise a binder system curable by free-radical polymerization of olefinic double bonds, and containing 0.1 to 4 wt-%, based on resin solids, of a morpholin-2-one derivative sterically hindered by 3,3,5,5-polysubstitution as a light stabilizer; and(b) thermal curing of the applied coating layer.
Abstract:
PCT No. PCT/EP95/04313 Sec. 371 Date May 12, 1997 Sec. 102(e) Date May 12, 1997 PCT Filed Nov. 3, 1995 PCT Pub. No. WO96/15184 PCT Pub. Date May 23, 1996The use of 3-arylacrylic esters I (I) where Ar is an aryl radical which can additionally carry substituents, R1 is the residue of an n-hydric aliphatic polyol having up to 20 carbon atoms, where the carbon chain can be interrupted by up to 9 non-adjacent oxygen atoms, or of an n-hydric cyclo-aliphatic polyol having 5 to 20 carbon atoms in which ring carbon atoms can also be replaced by non-adjacent oxygen atoms, R2 and R3 are hydrogen or C1-C4-alkyl, and n is a number from l to 10, as stabilizers, in particular against the action of light, for non-living organic material.
Abstract:
A solid solution composition comprising a) a 2,2,6,6-tetraalkylpiperidinyl compound having a low molecular weight; and b) a 2,2,6,6-tetraalkylpiperidinyl compound having a high molecular weight that have been mixed in the melt, is an excellent stabilizer for polymeric materials.
Abstract:
A liquid concentrate comprising an oxamide and a 2,2,6,6-tetraalkylpiperidine compound dissolved in an organic solvent is useful for the UV-stabilization of hardenable liquid finishes, particularly automotive finishes.
Abstract:
Polyalkylpiperidinesulfonic acid esters of the formulae I and II B-X-O-SO2-A)m (I) (B'-X-O-SO2)2A'(II), in which A, A', B, B', X and m are as defined in claim 1, the polyalkylpiperidine group being present in each of the substituents B and B'. These esters are suitable for use as curing catalysts for acid-curable resins and act therein, at the same time, as light stabilizers.
Abstract:
Compounds of formula I in which R is C3-12alkyl and R1 is hydrogen or C1-8alkyl, are useful as UV stabilizers in stoving finishes, particularly two-layer metallic finishes.