Dimerization behavior of cinnamate group attached to flexible polymer backbone and its effect on the molecular orientation

Shi Joon Sung; Ki Yun Cho; Ji Heum Yoo; Won Sun Kim; Hyung Seok Chang; Iwhan Cho; Jung Ki Park

doi:10.1016/j.cplett.2004.07.015

Dimerization behavior of cinnamate group attached to flexible polymer backbone and its effect on the molecular orientation

Shi Joon Sung
, Ki Yun Cho
, Ji Heum Yoo
, Won Sun Kim
, Hyung Seok Chang
, Iwhan Cho
, Jung Ki Park

Division of Energy Techonology

Korea Advanced Institute of Science and Technology

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

32 Scopus citations

Abstract

Cinnamate group is well-known for the dimerization reaction by ultraviolet irradiation and their anisotropic dimerization are used for aligning liquid crystals. In this work, we found that cinnamate groups attached to the flexible polymer backbone could be reacted by thermal energy as well as UV irradiation. Cinnamate group of flexible polymers shows different molecular orientation of cycloadducts, comparing with conventional polymers, and it also participates in insolubilization reaction by additional thermal treatment. The thermal insolubilization reaction of flexible cinnamate polymer might be appropriate for the enhancement of molecular orientation.

Original language	English
Pages (from-to)	238-243
Number of pages	6
Journal	Chemical Physics Letters
Volume	394
Issue number	4-6
DOIs	https://doi.org/10.1016/j.cplett.2004.07.015
State	Published - 21 Aug 2004

Bibliographical note

Funding Information:
This work was supported by the Center for Advanced Functional Polymers at KAIST.

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10.1016/j.cplett.2004.07.015

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title = "Dimerization behavior of cinnamate group attached to flexible polymer backbone and its effect on the molecular orientation",

abstract = "Cinnamate group is well-known for the dimerization reaction by ultraviolet irradiation and their anisotropic dimerization are used for aligning liquid crystals. In this work, we found that cinnamate groups attached to the flexible polymer backbone could be reacted by thermal energy as well as UV irradiation. Cinnamate group of flexible polymers shows different molecular orientation of cycloadducts, comparing with conventional polymers, and it also participates in insolubilization reaction by additional thermal treatment. The thermal insolubilization reaction of flexible cinnamate polymer might be appropriate for the enhancement of molecular orientation.",

author = "Sung, \{Shi Joon\} and Cho, \{Ki Yun\} and Yoo, \{Ji Heum\} and Kim, \{Won Sun\} and Chang, \{Hyung Seok\} and Iwhan Cho and Park, \{Jung Ki\}",

note = "Funding Information: This work was supported by the Center for Advanced Functional Polymers at KAIST.",

year = "2004",

month = aug,

day = "21",

doi = "10.1016/j.cplett.2004.07.015",

language = "English",

volume = "394",

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journal = "Chemical Physics Letters",

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T1 - Dimerization behavior of cinnamate group attached to flexible polymer backbone and its effect on the molecular orientation

AU - Sung, Shi Joon

AU - Cho, Ki Yun

AU - Yoo, Ji Heum

AU - Kim, Won Sun

AU - Chang, Hyung Seok

AU - Cho, Iwhan

AU - Park, Jung Ki

N1 - Funding Information: This work was supported by the Center for Advanced Functional Polymers at KAIST.

PY - 2004/8/21

Y1 - 2004/8/21

N2 - Cinnamate group is well-known for the dimerization reaction by ultraviolet irradiation and their anisotropic dimerization are used for aligning liquid crystals. In this work, we found that cinnamate groups attached to the flexible polymer backbone could be reacted by thermal energy as well as UV irradiation. Cinnamate group of flexible polymers shows different molecular orientation of cycloadducts, comparing with conventional polymers, and it also participates in insolubilization reaction by additional thermal treatment. The thermal insolubilization reaction of flexible cinnamate polymer might be appropriate for the enhancement of molecular orientation.

AB - Cinnamate group is well-known for the dimerization reaction by ultraviolet irradiation and their anisotropic dimerization are used for aligning liquid crystals. In this work, we found that cinnamate groups attached to the flexible polymer backbone could be reacted by thermal energy as well as UV irradiation. Cinnamate group of flexible polymers shows different molecular orientation of cycloadducts, comparing with conventional polymers, and it also participates in insolubilization reaction by additional thermal treatment. The thermal insolubilization reaction of flexible cinnamate polymer might be appropriate for the enhancement of molecular orientation.

UR - https://www.scopus.com/pages/publications/4143129101

U2 - 10.1016/j.cplett.2004.07.015

DO - 10.1016/j.cplett.2004.07.015

M3 - Article

AN - SCOPUS:4143129101

SN - 0009-2614

VL - 394

SP - 238

EP - 243

JO - Chemical Physics Letters

JF - Chemical Physics Letters

IS - 4-6

ER -

Dimerization behavior of cinnamate group attached to flexible polymer backbone and its effect on the molecular orientation

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