Polymerizable compositions comprising nitro substituted polyester diols
This invention relates to the field of polymers. More specifically, the invention comprises photopolymerizable polyesters and polyester urethane oligomers comprising nitro-substituted dicarboxylic acids that are products obtained by decomposition of polyethylene. The composition described herein are useful for 3D printing, coatings and other uses.
1. A composition comprising a compound of the formula:
wherein n is 0-14, y is 1-100, X is either H or NO 2 , R is an aliphatic, cycloaliphatic, aromatic, or oligoether linker, and R′ is H or a photopolymerizable group, wherein at least one X is NO 2 ; and further comprising a compound of the formula:
wherein n is 0-14, y is 1-100, R is an aliphatic, cycloaliphatic, aromatic, or oligoether linker, and R′ is H or a photopolymerizable group.
2. The composition of claim 1 wherein R is an alkylenyl group.
3. The composition of claim 2 , wherein R is ethylenyl, propylenyl, isopropylenyl, butylenyl, pentylenyl, hexylenyl, heptylenyl, or octylenyl.
4. The composition of claim 1 , wherein R is an oligoether linker.
5. The composition of claim 1 , wherein R is alkylenyl, wherein one or more CH 2 groups are substituted by —O—.
6. The composition of claim 5 , wherein R is —(CH 2 ) o —O—(CH 2 ) o —, —CH(CH 3 )CH 2 —O—CH 2 CH(CH 3 )—, or —CH 2 —O—(CH 2 ) o —O—(CH 2 ) o —CH 2 —, wherein o is 2-8.
7. The composition of claim 1 , wherein R is arylenyl or aralkylenyl.
8. The composition of claim 1 , wherein R′ is H.
9. A composition comprising a compound of the formula:
wherein n is 0-14, y is 1-100, z is 1-100, X is either H or NO 2 , R is an aliphatic, cycloaliphatic, aromatic, or oligoether linker, Ar is an aromatic linker, and R′ is H or a photopolymerizable group, wherein at least one X is NO 2 .
10. The composition of claim 9 comprising a compound of the formula:
wherein n is 0-14, y is 1-100, z is 1-100, X is either H or NO 2 , R is an aliphatic, cycloaliphatic, aromatic, or oligoether linker, and R′ is H or a photopolymerizable group, wherein at least one X is NO 2 .
11. The composition of claim 1 , wherein R′ is a photopolymerizable group comprising an ethylenically unsaturated free radical polymerizable group.
12. The composition of claim 1 , wherein R′ is a photopolymerizable group comprising a cationically polymerizable group.
13. The composition of claim 1 , wherein R′ is a photopolymerizable group comprising an acrylate ester.
14. The composition of claim 1 , wherein R′ is a photopolymerizable group comprising a methacrylate ester.
15. The composition of claim 1 , comprising a compound of the formula:
wherein n is 0-14, y is 1-100, X is either H or NO 2 , R is an aliphatic, cycloaliphatic, aromatic, or oligoether linker, R 2 is an aliphatic, cycloaliphatic or aromatic linker, R 3 is an aliphatic, cycloaliphatic, or aromatic, or oligoether linker, and R 4 is either H or methyl, wherein at least one X is NO 2 .
16. The composition of claim 1 , wherein the composition is a radiation curable liquid further comprising one or more resins, reactive diluents, photoinitiator systems, or additives.
17. The composition of claim 16 , wherein reactive diluents comprise one or more monomers containing at least one ethylenically unsaturated radically polymerizable group.
18. The composition of claim 16 , wherein reactive diluents further comprise at least one cationically polymerizable group.
19. The composition of claim 16 , wherein photoinitiator systems comprise one or more free radical photoinitiators or cationic photoinitiators.
20. A composition comprising a cured polymer obtained by the treatment of the composition claim 1 with actinic radiation.
21. The composition of claim 20 , wherein the actinic radiation is electron beams, X-rays, UV or visible light.
22. The composition of claim 20 comprising multiple layers, obtained by depositing successive layers of the composition of claim 1 according to a predetermined pattern, and then curing the layers with actinic radiation.
23. The composition of claim 20 , wherein the composition is obtained by depositing by ink jet printing, extrusion, vat polymerization, stereolithography or digital light processing.
24. The composition of claim 23 , further comprising curing the composition by actinic radiation to give a 3D composition.
25. The composition of claim 23 , wherein the actinic radiation is electron beams, X-rays, UV, or visible light.