Gel putties, articles comprising same, and methods of forming such gel putties and articles
View Patent ↗A healable gel putty may comprise an elastomeric polymer and a plasticizer. The elastomeric polymer may have a melt mass-flow rate in a range extending from about 2 g/10 min to about 100 g/10 min. A weight ratio of the plasticizer to the elastomeric polymer may be from about 1-to-1 to about 50-to-1. An article of manufacture may comprise gel putty disposed in a flexible container. A method of forming gel putty may comprise forming a mixture comprising an elastomeric polymer and a plasticizer. An article of manufacture may be formed by disposing gel putty within a flexible container.
1. A healable gel putty material, comprising:
an elastomeric polymer having a melt mass-flow rate in a range extending from about 2 g/10 min to about 100 g/10 min; and
a plasticizer mixed with the elastomeric polymer to form the healable gel putty material;
wherein a ratio of the plasticizer to the elastomeric polymer by weight is in a range extending from about 1-to-1 to about 50-to-1;
wherein the healable gel putty material is formulated to be parted and rejoined, wherein rejoining of the healable gel putty material comprises obscuring a boundary between portions of the healable gel putty material.
2. The healable gel putty material of claim 1 , wherein the elastomeric polymer comprises a block copolymer having a styrene content in a range extending from about 10% to about 70% by weight.
3. The healable gel putty material of claim 2 , wherein the block copolymer is a triblock copolymer selected from the group consisting of styrene ethylene propylene styrene (SEPS), styrene ethylene butylene styrene (SEBS), and styrene ethylene ethylene propylene styrene (SEEPS).
4. The healable gel putty material of claim 1 , wherein the plasticizer comprises an oil.
5. The healable gel putty material of claim 4 , wherein the plasticizer comprises an aromatic or aliphatic mineral oil.
6. The healable gel putty material of claim 4 , wherein the plasticizer comprises aromatic-free white paraffinic mineral oil.
7. The healable gel putty material of claim 1 , wherein the elastomeric polymer comprises a material having a tensile strength at yield from about 5 MPa to about 20 MPa.
8. The healable gel putty material of claim 1 , wherein the ratio of the plasticizer to the elastomeric polymer by weight is about 30-to-1 or less.
9. The healable gel putty material of claim 8 , wherein the ratio of the plasticizer to the elastomeric polymer by weight is in a range extending from about 15-to-1 to about 25-to-1.
10. The healable gel putty material of claim 9 , wherein the gel putty comprises a liquid gel putty.
11. The healable gel putty material of claim 10 , wherein the ratio of the plasticizer to the elastomeric polymer by weight is about 20-to-1.
12. The healable gel putty material of claim 8 , wherein the ratio of the plasticizer to the elastomeric polymer by weight is about 7-to-1 or less.
13. The healable gel putty material of claim 12 , wherein the gel putty comprises a solid gel putty.
14. An article of manufacture, comprising:
a flexible container; and
a material comprising healable gel putty material disposed within the flexible container, the healable gel putty material comprising:
an elastomeric polymer having a melt mass-flow rate in a range extending from about 2 g/10 min to about 100 g/10 min; and
a plasticizer mixed with the elastomeric polymer;
wherein a ratio of the plasticizer to the elastomeric polymer by weight is in a range extending from about 1-to-1 to about 50-to-1;
wherein the healable gel putty material is formulated to be parted and rejoined, wherein rejoining of the healable gel putty material comprises obscuring a boundary between portions of the healable gel putty material.
15. The article of manufacture of claim 14 , wherein the elastomeric polymer comprises a triblock copolymer selected from the group consisting of styrene ethylene propylene styrene (SEPS), styrene ethylene butylene styrene (SEBS), and styrene ethylene ethylene propylene styrene (SEEPS).
16. The article of manufacture of claim 14 , wherein the material further comprises a filler having a density of less than about 0.2 g/cm 3 .
17. The article of manufacture of claim 16 , wherein the filler comprises one or more of talc, silica, microspheres, and pearlite.
18. The article of manufacture of claim 14 , wherein the material has a density of about 0.35 g/cm 3 or lower.
19. The article of manufacture of claim 18 , wherein the material has a density of about 0.21 g/cm 3 or lower.
20. The article of manufacture of claim 14 , wherein the flexible container comprises a polymer material.
21. The article of manufacture of claim 20 , wherein the flexible container has an average thickness of from about 0.051 mm (0.002 in) to about 6.35 mm (0.250 in).
22. The article of manufacture of claim 14 , wherein the flexible container comprises a fabric.
23. The article of manufacture of claim 14 , wherein the material comprises a sheet of material, and wherein the flexible container comprises a sheet of flexible fabric.
24. The article of manufacture of claim 14 , wherein the ratio of the plasticizer to the elastomeric polymer by weight is about 30-to-1 or less.
25. The article of manufacture of claim 14 , wherein the ratio of the plasticizer to the elastomeric polymer by weight is in a range extending from about 15-to-1 to about 25-to-1.
26. The article of manufacture of claim 25 , wherein the gel putty comprises a liquid gel putty.
27. The article of manufacture of claim 26 , wherein the ratio of the plasticizer to the elastomeric polymer by weight is about 20-to-1.
28. The article of manufacture of claim 14 , wherein the article of manufacture comprises a cushion.
29. The article of manufacture of claim 14 , wherein the article of manufacture comprises a toy.
30. A method of forming a healable gel putty material, the method comprising:
mixing a plasticizer and an elastomeric polymer to form a mixture;
wherein the elastomeric polymer comprises an elastomeric polymer having a melt mass-flow rate in a range extending from about 2 g/10 min to about 100 g/10 min; and
wherein a ratio of the plasticizer to the elastomeric polymer by weight in the mixture is in a range extending from about 1-to-1 to about 50-to-1;
wherein the healable gel putty material is formulated to be parted and rejoined, wherein rejoining of the healable gel putty material comprises obscuring a boundary between portions of the healable gel putty material.
31. The method of claim 30 , wherein the elastomeric polymer comprises a block copolymer having a styrene content in a range extending from about 10% to about 70% by weight.
32. The method of claim 30 , wherein the elastomeric polymer comprises a triblock copolymer selected from the group consisting of styrene ethylene propylene styrene (SEPS), styrene ethylene butylene styrene (SEBS), and styrene ethylene ethylene propylene styrene (SEEPS).
33. The method of claim 30 , further comprising mixing the plasticizer and the elastomeric polymer in a heated stirring pot.
34. The method of claim 30 , further comprising mixing the plasticizer and the elastomeric polymer using a heated extrusion screw.
35. The method of claim 30 , wherein the ratio of the plasticizer to the elastomeric polymer by weight in the mixture is about 30-to-1 or less.
36. The method of claim 35 , wherein the ratio of the plasticizer to the elastomeric polymer by weight in the mixture is in a range extending from about 15-to-1 to about 25-to-1.
37. The method of claim 36 , wherein mixing a plasticizer and an elastomeric polymer to form a mixture comprises forming a liquid gel putty.
38. The method of claim 37 , wherein the ratio of the plasticizer to the elastomeric polymer by weight in the mixture is about 20-to-1.
39. The method of claim 35 , wherein the ratio of the plasticizer to the elastomeric polymer by weight in the mixture is about 7-to-1 or less.
40. The method of claim 39 , wherein mixing a plasticizer and an elastomeric polymer to form a mixture comprises forming a solid gel putty.
41. A method of forming an article of manufacture, comprising:
forming healable gel putty material, the forming comprising:
mixing a plasticizer and an elastomeric polymer to form a mixture;
wherein the elastomeric polymer comprises an elastomeric polymer having a melt mass-flow rate in a range extending from about 2 g/10 min to about 100 g/10 min; and
wherein a ratio of the plasticizer to the elastomeric polymer by weight in the mixture is in a range extending from about 1-to-1 to about 50-to-1;
wherein the healable gel putty material is formulated to be parted and rejoined, wherein rejoining of the healable gel putty material comprises obscuring a boundary between portions of the healable gel putty material; and
disposing the healable gel putty material within a flexible container.
42. The method of claim 41 , further comprising forming the article of manufacture to comprise a cushion.
43. The method of claim 41 , further comprising forming the article of manufacture to comprise a toy.