A polarizer protective film, a method for preparing the same, and a polarizing plate comprising the same (as amended)
US-2016146978-A1 · May 26, 2016 · US
US10696792B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10696792-B2 |
| Application number | US-201716347105-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 16, 2017 |
| Priority date | Nov 16, 2016 |
| Publication date | Jun 30, 2020 |
| Grant date | Jun 30, 2020 |
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A ureido-pyrimidinone oligomer having the formula (I) wherein each Z′ is independently the same or different, and is a substituted or unsubstituted straight or branched chain C 1-10 alkyl, each R 1 is independently the same or different, and is a substituted or unsubstituted straight or branched chain C 1-20 alkylene, substituted or unsubstituted C 2-20 alkenylene, substituted or unsubstituted C 3-8 cycloalkylene, or substituted or unsubstituted C 6-18 arylene, each V is independently the same or different, and is a substituted or unsubstituted tetravalent C 4-40 hydrocarbon group, each R is independently the same or different, and is a substituted or unsubstituted C 1-24 divalent hydrocarbon group; and n has an average value of 2 to 50, preferably 3 to 40, more preferably 5 to 30.
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What is claimed is: 1. A ureido-pyrimidinone oligomer having the formula wherein each Z′ is independently the same or different, and is a substituted or unsubstituted straight or branched chain C 1-10 alkyl, each R 1 is independently the same or different, and is a substituted or unsubstituted straight or branched chain C 1-20 alkylene, substituted or unsubstituted C 2-20 alkenylene, substituted or unsubstituted C 3-8 cycloalkylene, or substituted or unsubstituted C 6-18 arylene, each V is independently the same or different, and is a substituted or unsubstituted tetravalent C 4-40 hydrocarbon group, each R is independently the same or different, and is a substituted or unsubstituted C 1-24 divalent hydrocarbon group, and n has an average value of 2 to 50. 2. The oligomer of claim 1 , wherein Z′ is an unsubstituted C 1-3 alkyl, and R 1 is a straight chain C 3-10 alkylene. 3. The oligomer of claim 2 , wherein Z′ is methyl and R 1 is n-hexylene. 4. The oligomer of claim 1 , wherein V is a substituted or unsubstituted C 6-20 aromatic hydrocarbon group. 5. The oligomer of claim 1 , wherein V is wherein W is —O—, —S—, —C(O)—, —SO 2 —, —SO—, —P(R a )(═O)— wherein R a is a C 1-8 alkyl or C 6-12 aryl, —C y H 2y — wherein y is an integer from 1 to 5 or a halogenated derivative thereof, or a group of the formula —O—Z—O— wherein Z is a substituted or unsubstituted aromatic C 6-24 monocyclic or polycyclic moiety optionally substituted with 1 to 6 C 1-8 alkyl groups, 1 to 8 halogen atoms, or a combination thereof, provided that the valence of Z is not exceeded. 6. The oligomer of claim 1 , being a poly(etherimide) of the formula wherein each Z is independently a substituted or unsubstituted aromatic C 6-24 monocyclic or polycyclic moiety optionally substituted with 1 to 6 C 1-8 alkyl groups, 1 to 8 halogen atoms, or a combination thereof, provided that the valence of Z is not exceeded. 7. The oligomer of claim 6 , wherein Z is a divalent group of the formula wherein each R a and R b is independently the same or different, and is a halogen atom or a monovalent C 1-6 alkyl group, p and q are each 0 to 4; c is 0 to 4; and each X a is independently the same or different, and is a single bond, —O—, —S—, —S(O)—, —S(O) 2 —, —C(O)—, or a C 1-18 hydrocarbon group. 8. The oligomer of claim 7 , wherein Z is a divalent group of the formula wherein Q is —O—, —S—, —C(O)—, —SO 2 —, —SO—, or —C y H 2y — wherein y is an integer from 1 to 5 or a halogenated derivative thereof. 9. The oligomer of claim 1 , wherein R is a substituted or unsubstituted C 6-24 arylene group, a substituted or unsubstituted straight or branched chain C 1-20 alkylene group, or a substituted or unsubstituted C 3-8 cycloalkylene group. 10. The oligomer of claim 9 , wherein R is divalent group of the formula wherein Q 1 is —O—, —S—, —C(O)—, —SO 2 —, —SO—, —P(R a )(O)— wherein W is a C 1-8 alkyl or C 6-12 aryl, —C y H 2y — wherein y is an integer from 1 to 5 or a halogenated derivative thereof, or —(C 6 H 10 ) z — wherein z is an integer from 1 to 4. 11. The oligomer of claim 10 , wherein R is m-phenylene, p-phenylene, bis(4,4′-phenylene)sulfone, bis(3,4′-phenylene)sulfone, or bis(3,3′-phenylene)sulfone. 12. A method for producing the ureido-pyrimidinone oligomer of claim 1 , the method comprising: reacting an amino-terminated oligomer of the formula with an isocytosine of the formula in the presence of a catalyst, under conditions effective to produce the ureido-pyrimidinone oligomer. 13. The method of claim 12 , wherein the amino-terminated oligomer and the isocytosine are reacted at a mole ratio of 1:3 to 1:1.1. 14. The method of claim 12 , wherein the reacting comprises reacting the amino-terminated oligomer and the isocytosine in a solvent at a first temperature for a first period of time to form a first intermediate mixture; adding the catalyst to the first intermediate mixture to form a second intermediate mixture; and heating the second intermediate mixture at a second temperature to provide the ureido-pyrimidinone oligomer. 15. The method of claim 12 , wherein the amino-terminated oligomer is of the formula 16. The oligomer of claim 1 , wherein the oligomer has at least one of an intrinsic glass transition temperature of greater than or equal to 180° C., a number average molecular weight of the ureido-pyrimidinone oligomer is 4,000 to 40,000 grams per mole, or a Young's modulus greater than or equal to a Young's modulus of the same polyetherimide without the ureido-pyrimidinone groups, and having a molar mass of greater than 16,000 grams per mole. 17. An article comprising the oligomer of claim 1 . 18. The article of claim 17 , wherein the article is a film, a fiber, a foam, or a molded part. 19. The article of claim 17 , wherein the article is a film prepared by solution-casting the oligomer. 20. The article of claim 18 , wherein the article is a film prepared by melt processing the oligomer.
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