Polyimide, alicyclic dianhydride containing ether group, and synthesis method thereof
AssigneeNational Taiwan University of Science and Technology
InventorsJyh-Chien CHEN, Yueh-Han LI, Shih-Jhong WU, Kai-Cheng ZHONG, Wen-Xiu LI, Hsiang Jung LEE
Life of this patent
Estimating the term…
Abstract
The present disclosure provides a polyimide, an alicyclic dianhydride containing ether group, and synthesis method thereof. The alicyclic dianhydride containing ether group has a structure of the following formula (I), formula (II), or formula (III): formula (III), wherein R1, R2, R3, R4, R5, R6 independently comprise a C1 to C5 hydrocarbon group.
Claims15
An alicyclic dianhydride containing ether group represented by a structure of the following formula (I), formula (II), or formula (III):
- wherein R1, R2, R3, R4, R5, and R6 independently comprise a C1 to C5 hydrocarbon group.
A synthesis method of an alicyclic dianhydride containing ether group comprising:
- performing a methoxy carbonylation reaction of a compound 1a to obtain a compound 1b, and performing a hydrolysis and dehydration reaction of the compound 1b to obtain the alicyclic dianhydride containing ether group represented by a formula (I),
- wherein R1, R2 independently comprise a C1 to C5 hydrocarbon group;
- or
- performing a methoxy carbonylation reaction of a compound 2a to obtain a compound 2b, and performing a hydrolysis reaction and a dehydration reaction of the compound 2b to obtain the alicyclic dianhydride containing ether group represented by a formula (II),
- wherein R3, R4 independently comprise a C1 to C5 hydrocarbon group;
- or
- performing a methoxy carbonylation reaction of a compound 3a to obtain a compound 3b, and performing a hydrolysis and dehydration reaction of the compound 3b to obtain the alicyclic dianhydride containing ether group represented by a formula (III),
- wherein R5, R6 independently comprise a C1 to C5 hydrocarbon group.
A polyimide represented by a structure of the following formula (IV), formula (VI), or formula (VIII):
- wherein R1, R2, R3, R4, R5, and R6 independently comprise a C1 to C5 hydrocarbon group, R7 and R8 independently comprise an aromatic group, an aliphatic group, a combination of an aromatic group and
- or a combination of aliphatic group and
- wherein R9 is a moiety independently selected from the group consisting of substituted or unsubstituted aromatic, heterocyclic aromatic and aliphatic groups, Rio comprises an aromatic group or an aliphatic group, and n is a positive integer of 1 to 500.
A polyimide represented by a structure of the following formula (V), formula (VII), or formula (IX):
- wherein R1, R2, R3, R4, R5, and R6 independently comprise a C1 to C5 hydrocarbon group, R7 and R8 independently comprise an aromatic group, an aliphatic group, a combination of an aromatic group and
- or a combination of aliphatic group and
- wherein R9 is a moiety independently selected from the group consisting of substituted or unsubstituted aromatic, heterocyclic aromatic, and aliphatic groups, Rio comprises an aromatic group or an aliphatic group, and n is a positive integer of 1 to 500.
Dependencies are inferred from the claim text.