Synthesis and characterization of colorless polyimides derived from 4-(4-aminophenoxy)-2,6-dimethylaniline

Sehwa Bong; Hyeonuk Yeo; Munju Goh; Bon Cheol Ku; Yoo Young Kim; Pill Hoon Bong; Byoungnam Park; Nam Ho You

doi:10.1007/s13233-016-4153-y

Synthesis and characterization of colorless polyimides derived from 4-(4-aminophenoxy)-2,6-dimethylaniline

Sehwa Bong, Hyeonuk Yeo, Munju Goh, Bon Cheol Ku, Yoo Young Kim, Pill Hoon Bong, Byoungnam Park, Nam Ho You

Research output: Contribution to journal › Article › peer-review

29 Scopus citations

Abstract

A new aromatic polyimides (PIs) having asymmetric aromatic diamine with methyl groups at the ortho position of amino group has been developed to prepare transparent film in the visible region. The all aromatic PIs presented here are derived from 4-(4-aminophenoxy)-2,6-dimethylaniline (APDMA) and aromatic dianhydride, 4,4'-(hexafluoroisopropylidene)diphthalic anhydride (6FDA), 4,4'-oxydiphthalic anhydride (ODPA), 4,4'-biphthalic anhydride (BPDA), and pyromellitic dianhydride (PMDA) via a two-step polycondensation. All PIs show good thermal properties: 5% weight loss at a temperature range of 510-529 °C and their glass transition temperature found above 290 °C. The PIs exhibit good optical transparency, such as cut-off wavelength in the region of 296-358 nm and above 92-99% at 550 nm. In addition, all PIs show low refractive indices in the range of 1.567-1.637 at wavelength of 637 nm and low birefringence. [Figure not available: see fulltext.]

Original language	English
Pages (from-to)	1091-1097
Number of pages	7
Journal	Macromolecular Research
Volume	24
Issue number	12
DOIs	https://doi.org/10.1007/s13233-016-4153-y
State	Published - 1 Dec 2016

Keywords

birefringence
dimethyl groups
films
polyimide
polymer optics
refractive index

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title = "Synthesis and characterization of colorless polyimides derived from 4-(4-aminophenoxy)-2,6-dimethylaniline",

abstract = "A new aromatic polyimides (PIs) having asymmetric aromatic diamine with methyl groups at the ortho position of amino group has been developed to prepare transparent film in the visible region. The all aromatic PIs presented here are derived from 4-(4-aminophenoxy)-2,6-dimethylaniline (APDMA) and aromatic dianhydride, 4,4'-(hexafluoroisopropylidene)diphthalic anhydride (6FDA), 4,4'-oxydiphthalic anhydride (ODPA), 4,4'-biphthalic anhydride (BPDA), and pyromellitic dianhydride (PMDA) via a two-step polycondensation. All PIs show good thermal properties: 5% weight loss at a temperature range of 510-529 °C and their glass transition temperature found above 290 °C. The PIs exhibit good optical transparency, such as cut-off wavelength in the region of 296-358 nm and above 92-99% at 550 nm. In addition, all PIs show low refractive indices in the range of 1.567-1.637 at wavelength of 637 nm and low birefringence. [Figure not available: see fulltext.]",

keywords = "birefringence, dimethyl groups, films, polyimide, polymer optics, refractive index",

author = "Sehwa Bong and Hyeonuk Yeo and Munju Goh and Ku, {Bon Cheol} and Kim, {Yoo Young} and Bong, {Pill Hoon} and Byoungnam Park and You, {Nam Ho}",

note = "Publisher Copyright: {\textcopyright} 2016, The Polymer Society of Korea and Springer Sciene+Business Media Dordrecht.",

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doi = "10.1007/s13233-016-4153-y",

language = "English",

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T1 - Synthesis and characterization of colorless polyimides derived from 4-(4-aminophenoxy)-2,6-dimethylaniline

AU - Bong, Sehwa

AU - Yeo, Hyeonuk

AU - Goh, Munju

AU - Ku, Bon Cheol

AU - Kim, Yoo Young

AU - Bong, Pill Hoon

AU - Park, Byoungnam

AU - You, Nam Ho

PY - 2016/12/1

Y1 - 2016/12/1

N2 - A new aromatic polyimides (PIs) having asymmetric aromatic diamine with methyl groups at the ortho position of amino group has been developed to prepare transparent film in the visible region. The all aromatic PIs presented here are derived from 4-(4-aminophenoxy)-2,6-dimethylaniline (APDMA) and aromatic dianhydride, 4,4'-(hexafluoroisopropylidene)diphthalic anhydride (6FDA), 4,4'-oxydiphthalic anhydride (ODPA), 4,4'-biphthalic anhydride (BPDA), and pyromellitic dianhydride (PMDA) via a two-step polycondensation. All PIs show good thermal properties: 5% weight loss at a temperature range of 510-529 °C and their glass transition temperature found above 290 °C. The PIs exhibit good optical transparency, such as cut-off wavelength in the region of 296-358 nm and above 92-99% at 550 nm. In addition, all PIs show low refractive indices in the range of 1.567-1.637 at wavelength of 637 nm and low birefringence. [Figure not available: see fulltext.]

AB - A new aromatic polyimides (PIs) having asymmetric aromatic diamine with methyl groups at the ortho position of amino group has been developed to prepare transparent film in the visible region. The all aromatic PIs presented here are derived from 4-(4-aminophenoxy)-2,6-dimethylaniline (APDMA) and aromatic dianhydride, 4,4'-(hexafluoroisopropylidene)diphthalic anhydride (6FDA), 4,4'-oxydiphthalic anhydride (ODPA), 4,4'-biphthalic anhydride (BPDA), and pyromellitic dianhydride (PMDA) via a two-step polycondensation. All PIs show good thermal properties: 5% weight loss at a temperature range of 510-529 °C and their glass transition temperature found above 290 °C. The PIs exhibit good optical transparency, such as cut-off wavelength in the region of 296-358 nm and above 92-99% at 550 nm. In addition, all PIs show low refractive indices in the range of 1.567-1.637 at wavelength of 637 nm and low birefringence. [Figure not available: see fulltext.]

KW - birefringence

KW - dimethyl groups

KW - films

KW - polyimide

KW - polymer optics

KW - refractive index

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Synthesis and characterization of colorless polyimides derived from 4-(4-aminophenoxy)-2,6-dimethylaniline

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