1. A security element for securing valuable articles, having
at least one first authenticating feature, the first authenticating feature comprising a first arrangement, having a plurality of lens-shaped focusing elements that are present in a first grid, and a second arrangement, having a plurality of microscopic structures that are present in a second grid, the first and the second arrangement being disposed in such a way that the spatial frequencies of the two grids differ slightly and, as a result of a moir\xe9 effect, the microscopic structures of the second arrangement are seen magnified when viewed through the lens-shaped focusing elements of the first arrangement, and
a second authenticating feature that is visually verifiable and is not magnified by the first arrangement of the first authenticating feature,
wherein the microscopic structures of the second arrangement of the first authenticating feature comprise embossed microstructures that are coated with a metal reflection layer that provides the second authenticating feature and that exhibits apertures in the form of characters, patterns or codes, andor is present in the form of characters, patterns or codes,
and wherein the magnification effect of the lens-shaped focusing elements of the first arrangement does not relate to the second authenticating feature.
2. The security element according to claim 1, characterized in that the first grid and second grid of the first authenticating feature exhibit fixed geometric relationships.
3. The security element according to claim 1, characterized in that the first grid and the second grid of the first authenticating feature exhibit a slightly different line screen spacing.
4. The security element according to claim 1, characterized in that the first grid and the second grid of the first authenticating feature exhibit a substantially identical line screen spacing and are disposed slightly rotated toward one another.
5. The security element according to claim 1, characterized in that the line screen spacing of the first and second grid lies between approximately 3 \u03bcm and approximately 50 \u03bcm.
6. The security element according to claim 1, characterized in that the second authenticating feature comprises a machine-readable layer.
7. The security element according to claim 6, characterized in that the machine-readable layer includes machine-readable feature substances, especially reflecting, magnetic, electrically conductive, polarizing, phase shifting, phosphorescent, fluorescent or other luminescent substances.
8. The security element according to claim 1, characterized in that the first and second arrangement of the first authenticating feature are disposed in such a way that the focusing elements of the first arrangement and the embossed microstructures of the second arrangement are developed as elevations that point in the same direction.
9. The security element according to claim 1, characterized in that the embossed microstructures comprise elements that are present in the form of spherical or aspherical caps, cones, triangular pyramids, trapezoidal pyramids, truncated cones, truncated pyramids or the like, andor exhibit a base area in the form of characters, patterns or codes.
10. The security element according to claim 1, characterized in that the embossed microstructures are embossed in a colored embossing lacquer.
11. The security element according to claim 10, characterized in that the colored embossing lacquer is a radiation-curing lacquer containing color pigments.
12. The security element according to claim 1, characterized in that the embossed microstructures are disposed on a colored carrier substrate.
13. The security element according to claim 10, characterized in that the embossed microstructures on the structured side of the second arrangement are provided with an opaque coating.
14. The security element according to claim 1, characterized in that the lens-shaped focusing elements of the first arrangement and the embossed microstructures of the second arrangement exhibit circular or elliptical base areas.
15. The security element according to claim 1, characterized in that the first arrangement comprises a combination of lens-shaped focusing elements of differing size and line screen spacing.
16. The security element according to claim 1, characterized in that the lens-shaped focusing elements of the first arrangement andor the microscopic structures of the second arrangement are disposed on a carrier substrate.
17. The security element according to claim 1, characterized in that a spacing layer andor an adhesive layer is provided between the lens-shaped focusing elements of the first arrangement and the microscopic structures of the second arrangement.
18. The security element according to claim 1, characterized in that the lens-shaped focusing elements of the first arrangement are provided with a protective layer, the protective layer exhibiting a refractive index that differs from the refractive index of the lens-shaped focusing elements by at least 0.3.
19. The security element according to claim 1, characterized in that the security element exhibits a total thickness of less than 50 \u03bcm.
20. The security element according to claim 1, characterized in that the security element is a security thread, a tear strip, a security band, a security strip, a patch or a label for application to a security paper, value document or the like.
21. The security element according to claim 1, wherein the second authenticating feature is machine and visually verifiable.
22. The security element according to claim 5, wherein the line screen spacing is between approximately 5 \u03bcm and approximately 35 \u03bcm.
23. The security element according to claim 5, wherein the line screen spacing is between approximately 10 \u03bcm and approximately 20 \u03bcm.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
What is claimed is:
1. A resin composition comprising the components:
(a) 40-90 parts by weight of a block copolymer of polypropylene segments and ethylene-propylene copolymer segments, which is modified with acid anhydride and in which the polypropylene segment content is in the range 5-50% by weight,
(b) 60-10 parts by weight of a styrene-based polymeric elastomer,
wherein a total of components (a) and (b) is 100 parts by weight and substantially no other resin component is present in the composition, and
(c) 30-200 parts by weight of a metal hydroxide based on 100 parts by weight of the components (a) and (b).
2. A resin composition according to claim 1 in which component (b) is a styrene-based polymeric elastomer modified with acid anhydride.
3. A resin composition according to claim 2, wherein at least one of components (a) and (b) is obtained by one of a graft process and a direct process.
4. A resin composition according to claim 1, wherein the acid anhydride of component (a) is maleic anhydride.
5. A resin composition according to claim 2, wherein the acid anhydride of component (b) is maleic anhydride.
6. A resin composition according to claim 1, wherein component (a) has a melt flow rate of 0.1-5 g10 min.
7. A resin composition according to claim 1, wherein component (b) is a hydrogenated styrene-butadiene copolymer or a hydrogenated styrene-isoprene copolymer.
8. A resin composition according to claim 1, wherein component (c) is one of magnesium hydroxide surface-treated with a coupling agent and aluminum hydroxide surface-treated with a coupling agent.
9. A resin composition according to claim 8, wherein the coupling agent is a silane coupling agent.
10. A method of preparing a resin composition, comprising thoroughly mixing the following components:
(a) 40-90 parts by weight of a block copolymer of polypropylene segments and ethylene-propylene copolymer segments, which is modified with acid anhydride and in which the polypropylene segment content is in the range 5-50% by weight,
(b) 60-10 parts by weight of a styrene-based polymeric elastomer,
wherein a total of components (a) and (b) is 100 parts by weight, and
(c) 30-200 parts by weight of a metal hydroxide based on 100 parts by weight of the components (a) and (b), substantially no other resin component being included in the composition.
11. A method according to claim 10, in which component (b) is a styrene-based polymeric elastomer modified with acid anhydride.
12. A method according to claim 11, wherein at least one of components (a) and (b) is obtained by one of a graft process and a direct process.
13. A method according to claim 10, wherein the acid anhydride of component (a) is maleic anhydride.
14. A method according to claim 11, wherein the acid anhydride of component (b) is maleic anhydride.
15. A method according to claim 10, wherein component (a) has a melt flow rate of 0.1-5 g10 min.
16. A method according to claim 10, wherein component (b) is a hydrogenated styrene-butadiene copolymer or a hydrogenated styrene-isoprene copolymer.
17. A method according to claim 10, wherein component (c) is one of magnesium hydroxide surface-treated with a coupling agent and aluminum hydroxide surface-treated with a coupling agent.
18. A method according to claim 17, wherein the coupling agent is a silane coupling agent.
19. An electrical wire having an electrical conductor and a covering thereon made of a resin composition containing the components:
(a) 40-90 parts by weight of a block copolymer of polypropylene segment and ethylene-propylene copolymer segments, which is modified with acid anhydride and in which the polypropylene segment content is in the range 5-50% by weight,
(b) 60-10 parts by weight of a styrene-based polymeric elastomer,
wherein a total of components (a) and (b) is 100 parts by weight and substantially no other resin component is present in the composition, and
(c) 30-200 parts by weight of a metal hydroxide based on 100 parts by weight of the components (a) and (b).
20. An electrical wire according to claim 19, in which component (b) is a styrene-based polymeric elastomer modified with acid anhydride.
21. An electrical wire according to claim 20, wherein at least one of components (a) and (b) is obtained by one of a graft process and a direct process.
22. An electrical wire according to claim 19, wherein the acid anhydride of component (a) is maleic anhydride.
23. An electrical wire according to claim 20, wherein the acid anhydride of component (b) is maleic anhydride.
24. An electrical wire according to claim 19, wherein component (a) has a melt flow rate of 0.1-5 g10 min.
25. An electrical wire according to claim 19, wherein component (b) is a hydrogenated styrene-butadiene copolymer or a hydrogenated styrene-isoprene copolymer.
26. An electrical wire according to claim 19, wherein component (c) is one of magnesium hydroxide surface-treated with a coupling agent and aluminum hydroxide surface-treated with a coupling agent.
27. An electrical wire according to claim 26, wherein the coupling agent is a silane coupling agent.