Functional Polymeric Phase Change Materials
A composition comprising a functional polymeric phase change material, the functional polymeric phase change material carrying at least one reactive function, wherein the reactive function is capable of forming at least a first electrovalent bond. In certain embodiments, the reactive function is capable of forming at least a first electrovalent bond with a second material. In other embodiments, the functional polymeric phase change material comprises at least one crystallizable section and may also comprise a backbone chain and a plurality of side chains, wherein the plurality of side chains form the crystallizable section.
1 . A composition, comprising:
a functional polymeric phase change material, the functional polymeric phase change material carrying at least one reactive function, wherein the reactive function is capable of forming at least a first electrovalent bond.
2 . The composition of claim 1 , wherein the reactive function is capable of forming at least a first electrovalent bond with a second material.
3 . The composition of claim 1 , wherein the functional polymeric phase change material comprises at least one crystallizable section.
4 . The composition of claim 3 wherein the functional polymeric phase change material comprises a backbone chain and a plurality of side chains, wherein the plurality of side chains form the crystallizable section.
5 . The composition of claim 4 , wherein the at least one reactive function is carried on at least one of the side chains.
6 . The composition of claim 4 , wherein the at least one reactive function is carried on the backbone chain.
7 . The composition of claim 6 , comprising a plurality of reactive functions spread at substantially regular intervals along the backbone chain.
8 . The composition of claim 6 , comprising a plurality of reactive functions spread at random intervals along the backbone chain.
9 . The composition of claim 4 , wherein the at least one reactive function is carried at one end of the backbone chain.
10 . The composition of claim 1 , wherein the reactive function is selected from the group consisting of acid functions, basic functions, positively charged complexes, negatively charged complexes, and combinations of the foregoing.
11 . The composition of claim 2 , wherein the second material is selected from the group consisting of cotton, wool, fur leather, polyester, cellulosic materials, proteinaceous materials, natural materials, regenerated materials, synthetic materials, and textiles made from the foregoing materials.
12 . The composition of claim 1 , wherein the functional polymeric phase change material is a first phase change material, and the composition further comprises a second phase change material, wherein the first phase change material has a first phase change temperature and the second phase change material has a second phase change temperature.
13 . The composition of claim 1 , wherein the functional polymeric phase change material has a plurality of phase change temperatures.
14 . The composition of claim 1 , wherein the functional polymeric phase change material has a transition temperature in the range between −10° C. and 100° C.
15 . The composition of claim 1 , wherein the functional polymeric phase material has a phase change enthalpy of at least 25 J/g.
16 . The composition of claim 1 , wherein the functional polymeric phase change material includes at least one reactive function per 10,000 molecular weight units.
17 . The composition of claim 3 , wherein the at least one crystallizable section is hydrophilic.
18 . The composition of claim 3 , wherein the at least one crystallizable section is hydrophobic.
19 . The composition of claim 1 further comprising at least one crystallizable segment, the at least one crystallizable segment comprising a combination of hydrophilic and hydrophobic segments.
20 . The composition of claim 1 , wherein the reactive function is stereospecific.
21 . The composition of claim 3 , wherein the cyrstallizable section is stereospecific.
22 . The composition of claim 1 , wherein the functional polymeric phase change material has a polydispersity of between 1.0 and 100.
23 . The composition of claim 1 , wherein the functional polymeric phase change material has a polydispersity of between 1.0 and 5.0.
24 . A functional polymeric phase change material characterized in carrying at least one reactive function, wherein the reactive function is capable of forming a electrovalent bond.
25 . The functional polymeric phase change material of claim 24 , wherein the reactive function is capable of forming at least a first electrovalent bond with a second material.
26 . The functional polymeric phase change material of claim 24 , wherein the functional polymeric phase change material comprises at least one crystallizable section.
27 . The functional polymeric phase change material of claim 24 wherein the functional polymeric phase change material comprises a backbone chain and a plurality of side chains, wherein the plurality of side chains form the crystallizable section.
28 . The functional polymeric phase change material of claim 24 , comprising a plurality of reactive functions spread at random intervals along the backbone chain.
29 . The functional polymeric phase change material of claim 24 , wherein the reactive function is selected from the group consisting of acid functions, basic functions, positively charged complexes, negatively charged complexes, and combinations of the foregoing.
30 . A preparation, comprising:
a functional polymeric phase change material, the functional polymeric phase change material carrying at least one reactive function, wherein the reactive function is capable of forming at least a first electrovalent bond.
31 . A preparation according to claim 30 , further comprising at least one of an organic solvent, an aqueous medium, a binder, a catalyst for the reaction of said reactive function and combinations thereof.