1,3/1,4-cyclohexane dimethanol based monomers and polymers
View Patent ↗A mixture of compounds useful to make a polymer or a prepolymer, the mixture of compounds including compounds having the formula I; wherein R 1 is H, acryloyl, methacryloyl or vinyl, wherein R 2 is acryloyl, methacryloyl or vinyl, wherein compounds having the formula I consist of a mixture of cis and trans-1,3- and 1,4-substituted cyclohexane and wherein the trans-1,4-substituted cyclohexane content of the compounds having the formula I is less than forty mole percent. A process for producing a mixture of compounds including compounds having the formula II: wherein compounds having the formula II consist of a mixture of cis and trans-1,3- and 1,4-methanol substituted cyclohexane and wherein the trans-1,4-methanol substituted cyclohexane content of the compounds having the formula II is less than twenty five mole percent.
1. A mixture of compounds useful to make a polymer or a prepolymer, the mixture of compounds comprising compounds having the formula I:
wherein R 1 is H, acryloyl, methacryloyl or vinyl, wherein R 2 is acryloyl, methacryloyl or vinyl, wherein compounds having the formula I consist of a mixture of cis and trans-1,3- and 1,4-substituted cyclohexane and wherein the trans 1,4-substituted cyclohexane content of the compounds having the formula I is less than forty mole percent.
2. The mixture of compounds of claim 1 , wherein the trans-1,4-substituted cyclohexane content of the compounds having the formula I is less than twenty five mole percent.
3. The mixture of compounds of claim 1 , wherein the trans-1,4-substituted cyclohexane content of the compounds having the formula I is less than fifteen mole percent.
4. The mixture of compounds of any of claims 1 - 3 , wherein the mixture of compounds is a liquid at room temperature.
5. The mixture of compounds of any of claims 1 - 3 useful to make a scratch resistant coating, further comprising colloidal inorganic nanoparticles or inorganic fillers.
6. A process for producing a mixture of compounds comprising compounds having the formula II:
wherein compounds having the formula II consist of a mixture of cis and trans-1,3-and 1,4-methanol substituted cyclohexane and wherein the trans-1,4-methanol substituted cyclohexane content of the compounds having the formula II is less than twenty five mole percent, characterized by the step of: distilling a mixture of cis and trans-1,3- and 1,4- methanol substituted cyclohexane wherein the trans-1,4-methanol substituted cyclohexane content of the compounds is greater than twenty five mole percent to produce a distilled fraction and a residue fraction, the residue fraction being the mixture of cis and trans-1,3- and 1,4-methanol substituted cyclohexane wherein the trans-1,4-methanol substituted cyclohexane content of the compounds having the formula II is less than twenty five mole percent.
7. The process of claim 6 , wherein the trans-1,4-methanol substituted cyclohexane content of the compounds having the formula II is less than fifteen mole percent.
8. A prepolymer comprising units having the formula III:
wherein the units having the formula III consist of a mixture of cis and trans-1,3- and 1,4- substituted cyclohexane and wherein the trans-1,4-substituted cyclohexane content of the units having the formula III is less than forty mole percent and wherein the prepolymer is selected from the group consisting of polyester acrylates, polyester methacrylates, polycarbonate acrylates, polycarbonate methacrylates, polyurethane acrylates and polyurethane methacrylates.
9. The prepolymer of claim 8 , wherein the trans-1,4-methanol substituted cyclohexane content of the compounds having the formula III is less than twenty five mole percent.
10. The prepolymer of claim 8 , wherein the trans-1,4-methanol substituted cyclohexane content of the compounds having the formula III is less than fifteen mole percent.