Thermal insulation with thin phase change layer
View Patent ↗The present disclosure encompasses provides thermal stabilizer compositions comprising a phase change material admixed with a support material such as a diatomaceous earth, and a nucleator. The present disclosure further encompasses a heat insulation blanket for reducing heat transfer between adjacent spaces, comprising at least two plies of thermoplastic sheet material in superposed relationship and a seal, wherein the seal connects the plies of sheet material to form a cell containing a volume of a thermal stabilizer comprising a phase change material, a support material such as a diatomaceous earth, and a nucleator.
1. A thermal stabilizing composition, wherein the composition comprises a phase change material admixed with a support material, and a nucleator, wherein the phase change material comprises a supersaturated solution of calcium chloride hexahydrate, and wherein the support material comprises a diatomaceous earth intimately admixed with the nucleator, wherein the nucleator is calcium chloride dihydrate, said solid calcium chloride dihydrate maintaining the saturation level of the phase change material.
2. The thermal stabilizing composition of claim 1 , further comprising a long-chain hydrocarbon, wherein the long-chain hydrocarbon is at least a C 12 hydrocarbon.
3. The thermal stabilizing composition of claim 2 , wherein the long-chain hydrocarbon is octadecane.
4. The thermal stabilizing composition of claim 2 , wherein the long-chain hydrocarbon is a paraffin wax.
5. A thermal stabilizing composition, wherein the composition comprises a phase change material admixed with a support material, and a nucleator, wherein the phase change material comprises a mixture of strontium chloride hexahydrate, potassium chloride and calcium chloride, and wherein the support material comprises a diatomaceous earth intimately admixed with the nucleator, wherein the nucleator is calcium chloride dihydrate.
6. The thermal stabilizing composition of claim 5 , further comprising a long-chain hydrocarbon, wherein the long-chain hydrocarbon is at least a C 12 hydrocarbon.
7. The thermal stabilizing composition of claim 6 , wherein the long-chain hydrocarbon is octadecane.
8. The thermal stabilizing composition of claim 6 , wherein the long-chain hydrocarbon is a paraffin wax.
9. A thermal stabilizing composition, wherein the composition comprises a phase change material admixed with a support material, and a nucleator the thermal stabilizing composition comprising:
a first mixture, wherein the first mixture is a phase change material comprising about 200 parts by weight water, about 10 parts by weight strontium chloride hexahydrate, 10 parts by weight potassium chloride, 200 parts by weight anhydrous calcium chloride, and about 8 parts by weight of a hydrocarbon; and
a second mixture, wherein the second mixture comprises the diatomaceous earth support material admixed with calcium chloride dihydrate in the weight ratio of about 3:1, and wherein the first and second mixtures are joined in a mixture of about 2 parts by weight of the first mixture to about 1 part by weight of the second mixture.
10. A thermal stabilizing composition, wherein the composition comprises a chase change material admixed with a support material, and a nucleator, wherein the phase change material comprises a mixture of strontium chloride hexahydrate, potassium chloride and calcium chloride, and wherein the support material comprises a diatomaceous earth intimately admixed with the nucleator, wherein the nucleator is calcium chloride dihydrate, and wherein the thermal stabilizing composition comprises a first mixture, wherein the first mixture is a phase change material comprising about 200 parts by weight water, about 10 parts by weight strontium chloride hexahydrate, 10 parts by weight potassium chloride and 200 parts by weight anhydrous calcium chloride, and a second mixture, wherein the second mixture comprises the diatomaceous earth support material admixed with calcium chloride dihydrate in the weight ratio of about 3:1, and wherein the first and second mixtures are joined in a mixture of about 2 parts by weight of the first mixture to about 1 part by weight of the second mixture.