Release components to increase anti-adhesion properties of thermoplastic packaging material
The invention relates to a composition Z comprising a component A, component B and/or C, and component D, wherein the component A is a thermoplastic material selected from the group consisting of polyolefins, polyolefin copolymers and polystyrenes; the component B is an organic additive selected from the group consisting of glycerol, a polyglycerol, a glycerol ester, a polyglycerol ester and a combination thereof; the component C is an organic additive selected from the group consisting of sorbitol, a sorbitol ester, sorbitan, a sorbitan ester, and a combination thereof; the component D is an inorganic additive selected from the group of layered double hydroxides.
1. A formed plastic container having an inner surface layer comprising a composition Z;
wherein composition Z includes a component A, a component D and at least one of component B or component C, or both components B and C, wherein:
the component A is a thermoplastic material selected from the group consisting of a polyolefin, polyolefin copolymer and polystyrene;
the component B is an organic additive selected from the group consisting of glycerol, a polyglycerol, a glycerol ester, a polyglycerol ester and a combination thereof;
the component C is an organic additive selected from the group consisting of sorbitol, a sorbitol C 8 -C 18 alkyl ester, sorbitan, a sorbitan C 8 -C 18 alkyl ester, and a combination thereof;
the component D is an inorganic additive selected from the group of layered double hydroxides in an amount from 0.1 to 15%, based on a total weight of composition Z;
wherein said container is a multilayer container, provided that when component A is a polystyrene composition Z includes component A, component D and both components B and C.
2. The formed plastic container as claimed in claim 1 , wherein component B is present in an amount of from 0.05 to 20%, based on a total weight of composition Z.
3. The formed plastic container as claimed in claim 1 , wherein component C is present in an amount of from 0.05 to 20%, by weight, based on a total weight of composition Z.
4. The formed plastic container as claimed in claim 1 , wherein component D is present in an amount of from 1 to 5%, based on a total weight of composition Z.
5. The formed plastic container as claimed in claim 1 , wherein component D is a hydrotalcite.
6. The formed plastic container as claimed in claim 1 , wherein composition Z further comprises one or more further additives as component E.
7. The formed plastic container as claimed in claim 6 , wherein component E is a colorant.
8. The formed plastic container as claimed in claim 1 , wherein the composition Z contains from 14 to 99.98% by weight of component A;
from 0.01 to 70% by weight of component C; wherein component C is sorbitan, or a sorbitan ester;
from 1 to 15% by weight of component D;
from 0 to 80% by weight component E;
with the % by weight being based in each case on a total weight of the composition Z;
and with the % by weight of the components A, C, D and optionally E always adding up to 100%.
9. The formed plastic container as claimed in claim 1 , wherein the container contains a food or beverage product.
10. The formed plastic container as claimed in claim 1 , wherein the container contains personal care, cosmetics, pharmaceutical, household, or industrial products.
11. A method for preparing composition Z as claimed in claim 1 , comprising the step of physically mixing component A, component D and at least one of component B or component C, or both components B and C.
12. A method for preparing composition Z as claimed in claim 11 , comprising the step of physically mixing components A, C, and D.
13. A formed plastic container having an inner surface layer comprising a composition Z;
wherein composition Z includes a component A, a component D and a component C, wherein:
the component A is a thermoplastic material selected from the group consisting of a polyolefin, polyolefin copolymer and polystyrene;
the component C is an organic additive selected from the group consisting of sorbitol, a sorbitol C 8 -C 18 alkyl ester, sorbitan, a sorbitan C 8 -C 18 alkyl ester, and a combination thereof; and
the component D is an inorganic additive selected from the group of layered double hydroxides in an amount from 0.1 to 15%, based on a total weight of composition Z.
14. The formed plastic container as claimed in claim 13 , wherein component C is sorbitan, or a sorbitan ester.
15. The formed plastic container as claimed in claim 13 , wherein component C is present in an amount from 0.05 to 20%, by weight, based on a total weight of composition Z.
16. The formed plastic container as claimed in claim 14 , wherein component C is present in an amount from 0.1 to 5%, by weight, based on a total weight of composition Z.
17. The formed plastic container as claimed in claim 13 , wherein component D is a hydrotalcite.
18. The formed plastic container as claimed in claim 13 , wherein component D is present in an amount from 1 to 5%, based on a total weight of composition Z.
19. The formed plastic container as claimed in claim 13 , wherein the composition Z contains:
from 88% to 99.98% by weight of component A;
from 0.01 to 5% by weight of component C;
from 0.01 to 10% by weight of component D;
from 0 to 10% by weight of an optional component E;
with the % by weight being based in each case on a total weight of the composition Z;
and with the % by weight of the components A, C, D and optionally E always adding up to 100%.
20. The formed plastic container as claimed in claim 13 , wherein said container is a multilayer container.