Novel cross-linker
AssigneeNexam Chemical AB
InventorsJan-Erik Rosenberg, Daniel Röme, David Persson, Erik Lager, Malin Knutsson, Dane Momcilovic
Life of this patent
Estimating the term…
Abstract
Disclosed are novel cross-linkable end-cappers for oligo-and polyimides. End-capped oligo-and polyimides comprising such an end-capper may be cured at a lower temperature compared to oligo-and polyimides end-capped with PEPA.
Claims30
A compound according to formula (I) or (II),
- wherein
- “Ar” is an aryl or a heteroaryl;
- R1 and R2 are independently selected from the group consisting of OH, halo, OC1-C8 alkyl, NH2, NHC1-8 alkyl, N(C1-8 alkyl)2, wherein said alkyl may be the same or different, OC(O)C1-8 alkyl, OC0-1 alkylenephenyl, and NHC0-1 alkylenephenyl;
- R3 is, independently if “n” is 2 or more, selected from the group consisting of C1-4 alkyl, OC1-4 alkyl, halogen, cyano, nitro, C1-4 fluoroalkyl;
- the substituent(s) R3 may be connected to any substitutable atom(s) of “Ar”;
- “n” is an integer from 0 (zero) to 5;
- and
- “X” is selected from the group consisting of O (oxygen), NH, N-phenyl, N-benzyl, and N—C1-8 alkyl.
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An oligo- or polyimide comprising a residue according to formula (III),
- wherein the waved line indicates the point of attachment to the oligo- or polyimide;
- “Ar” is an aryl or a heteroaryl;
- “n” is an integer from 0 (zero) to 5;
- R3 is independently if “n” is 2 or more, selected from the group consisting of C1-4 alkyl, OC1-4 alkyl, halogen, cyano, nitro, C1-4 fluoroalkyl;
- and
- the substituent(s) R3 may be connected to any substitutable atom(s) of “Ar”.
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13-16. (canceled)
18-22. (canceled)
24-25. (canceled)
28-30. (canceled)
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A compound according to formula (XV) or (XVI)
- wherein
- “Ar” is an aryl or a heteroaryl;
- “n” is an integer from 0 (zero) to 5;
- R3 is, independently if “n” is 2 or more, selected from the group consisting of C1-4 alkyl, OC1-4 alkyl, halogen, cyano, nitro, C1-4 fluoroalkyl;
- R15 is OH, NH2, COOH, C(O)OC1-8 alkyl, or C(O)Cl, and is connected to any substitutable carbon atom of the indicated benzene residue of formula (XV);
- “L” is a direct bond or a moiety selected from the group consisting of —O—, —S—, —C(O)—, —C(CH3)2—, —C(CF3)2—, —CH2-, 3-oxyphenoxy group, 4-oxyphenoxy group, 4′-oxy-4-biphenoxy group, and 4-[1-(4-oxyphenyl)-1-methylethyl]phenoxy group;
- and
- “L” and the NH2 group of formula (XVI), respectively, are connected to any substitutable carbon atoms of the respective indicated benzene residue of formula (XVI).
A derivative according to formula (IIIb)
- wherein
- “Ar” is an aryl or a heteroaryl;
- “n” is an integer from 0 (zero) to 5;
- R3 is, independently if “n” is 2 or more, selected from the group consisting of C1-4 alkyl, OC1-4 alkyl, halogen, cyano, nitro, C1-4 fluoroalkyl;
- and
- “W” is a radical selected from the group consisting of:
- wherein “A” is a direct bond or a moiety selected from the group consisting of —O—, —S—, —C(O)—, —C(CH3)2-, —C(CF3)2—, —CH2-, 3-oxyphenoxy group, 4-oxyphenoxy group, 4′-oxy-4-biphenoxy group, and 4-[1-(4-oxyphenyl)-1-methylethyl]phenoxy group.
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38-39. (canceled)
Dependencies are inferred from the claim text.