The effects of hydroxyl groups on the thermal and optical properties of poly(amide-imide)s with high adhesion for transparent films

Kwangin Kim; Taewon Yoo; Juheon Lee; Myeongsoo Kim; Sangrae Lee; Gunhwi Kim; Jinyoung Kim; Patrick Han; Haksoo Han

doi:10.1016/j.porgcoat.2017.06.018

The effects of hydroxyl groups on the thermal and optical properties of poly(amide-imide)s with high adhesion for transparent films

Kwangin Kim, Taewon Yoo, Juheon Lee, Myeongsoo Kim, Sangrae Lee, Gunhwi Kim, Jinyoung Kim, Patrick Han, Haksoo Han

Department of Chemical and Biomolecular Engineering

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

12 Citations (Scopus)

Abstract

In this study, transparent thin films for coating material are synthesized by adding bulky CF₃ and hydroxyl groups intro into poly(amide-imide)s. As expected, these poly(amide-imide)s show higher shear adhesion and higher glass transition temperatures than the neat poly(amide-imide) due to hydrogen bonding of the hydroxyl groups. In addition, the modification to the poly(amide-imide) structure leads to only slight decreases in transmittance and yellow index. Consequently, the successful synthesis of poly(amide-imide)s with wide applications as transparent coating materials due to their optical properties and high adhesion is demonstrated. Transparent flexible display and coating products can be manufactured with poly(amide-imide)s having high reliability and a low chance of cracking due to their favorable thermal properties.

Original language	English
Pages (from-to)	37-43
Number of pages	7
Journal	Progress in Organic Coatings
Volume	112
DOIs	https://doi.org/10.1016/j.porgcoat.2017.06.018
Publication status	Published - 2017 Nov

Bibliographical note

Funding Information:
This work was granted financial resource from the Ministry of Trade, Industry & Energy, Republic of Korea. (No. 20154010200810) and Business for cooperative R&D between industry, academy and research institute funded Korea small and medium business administration in 2015(No. C0277607 and No. C0298929).

Publisher Copyright:
© 2017 Elsevier B.V.

All Science Journal Classification (ASJC) codes

Chemical Engineering(all)
Surfaces, Coatings and Films
Organic Chemistry
Materials Chemistry

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10.1016/j.porgcoat.2017.06.018

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title = "The effects of hydroxyl groups on the thermal and optical properties of poly(amide-imide)s with high adhesion for transparent films",

abstract = "In this study, transparent thin films for coating material are synthesized by adding bulky CF3 and hydroxyl groups intro into poly(amide-imide)s. As expected, these poly(amide-imide)s show higher shear adhesion and higher glass transition temperatures than the neat poly(amide-imide) due to hydrogen bonding of the hydroxyl groups. In addition, the modification to the poly(amide-imide) structure leads to only slight decreases in transmittance and yellow index. Consequently, the successful synthesis of poly(amide-imide)s with wide applications as transparent coating materials due to their optical properties and high adhesion is demonstrated. Transparent flexible display and coating products can be manufactured with poly(amide-imide)s having high reliability and a low chance of cracking due to their favorable thermal properties.",

author = "Kwangin Kim and Taewon Yoo and Juheon Lee and Myeongsoo Kim and Sangrae Lee and Gunhwi Kim and Jinyoung Kim and Patrick Han and Haksoo Han",

note = "Funding Information: This work was granted financial resource from the Ministry of Trade, Industry & Energy, Republic of Korea. (No. 20154010200810) and Business for cooperative R&D between industry, academy and research institute funded Korea small and medium business administration in 2015(No. C0277607 and No. C0298929). Publisher Copyright: {\textcopyright} 2017 Elsevier B.V.",

year = "2017",

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doi = "10.1016/j.porgcoat.2017.06.018",

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volume = "112",

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T1 - The effects of hydroxyl groups on the thermal and optical properties of poly(amide-imide)s with high adhesion for transparent films

AU - Kim, Kwangin

AU - Yoo, Taewon

AU - Lee, Juheon

AU - Kim, Myeongsoo

AU - Lee, Sangrae

AU - Kim, Gunhwi

AU - Kim, Jinyoung

AU - Han, Patrick

AU - Han, Haksoo

N1 - Funding Information: This work was granted financial resource from the Ministry of Trade, Industry & Energy, Republic of Korea. (No. 20154010200810) and Business for cooperative R&D between industry, academy and research institute funded Korea small and medium business administration in 2015(No. C0277607 and No. C0298929). Publisher Copyright: © 2017 Elsevier B.V.

PY - 2017/11

Y1 - 2017/11

N2 - In this study, transparent thin films for coating material are synthesized by adding bulky CF3 and hydroxyl groups intro into poly(amide-imide)s. As expected, these poly(amide-imide)s show higher shear adhesion and higher glass transition temperatures than the neat poly(amide-imide) due to hydrogen bonding of the hydroxyl groups. In addition, the modification to the poly(amide-imide) structure leads to only slight decreases in transmittance and yellow index. Consequently, the successful synthesis of poly(amide-imide)s with wide applications as transparent coating materials due to their optical properties and high adhesion is demonstrated. Transparent flexible display and coating products can be manufactured with poly(amide-imide)s having high reliability and a low chance of cracking due to their favorable thermal properties.

AB - In this study, transparent thin films for coating material are synthesized by adding bulky CF3 and hydroxyl groups intro into poly(amide-imide)s. As expected, these poly(amide-imide)s show higher shear adhesion and higher glass transition temperatures than the neat poly(amide-imide) due to hydrogen bonding of the hydroxyl groups. In addition, the modification to the poly(amide-imide) structure leads to only slight decreases in transmittance and yellow index. Consequently, the successful synthesis of poly(amide-imide)s with wide applications as transparent coating materials due to their optical properties and high adhesion is demonstrated. Transparent flexible display and coating products can be manufactured with poly(amide-imide)s having high reliability and a low chance of cracking due to their favorable thermal properties.

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VL - 112

SP - 37

EP - 43

JO - Progress in Organic Coatings

JF - Progress in Organic Coatings

ER -

The effects of hydroxyl groups on the thermal and optical properties of poly(amide-imide)s with high adhesion for transparent films

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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