Abstract
Fluorine-containing poly(aryl ether ketone)s (PEKs) derived from 2,3,4,5,6-pentafluorobenzoic acid (PFBA) exhibit outstanding solubility, thermal stability, low dielectric constant, low moisture absorption and high transparency. Hence, they are expected to be available for optical and electric materials. In such applications, excellent solubility is of great advantage for making thin film and coating. Contrary to this advantage, this is of disadvantage from a point of solvent resistance. Thermally cross-linkable fluorine-containing PEKs terminated with phenylethynyl moiety (PEK-PEP) are synthesized to improve the solvent resistance in this study. Cross-linking reaction occurs over 320°C and it brings about not only the outstanding solvent resistance but also the increase of Tg. Relationship between the cross-linking density and Tg can be fundamentally interpreted by configurational entropy theory. Furthermore, the cured PEK-PEPs possess excellent thermal stability with the 10% weight loss temperature in the range from 544 to 598°C.
| Original language | English |
|---|---|
| Pages (from-to) | 209-218 |
| Number of pages | 10 |
| Journal | Polymer Journal |
| Volume | 34 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - 2002 |
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Keywords
- Cross-Linking
- Fluorine-Containing Polymer
- Phenylethynyl Group
- Poly(aryl ether ketone)
- Solvent Resistance
- Thermal Stability
ASJC Scopus subject areas
- Materials Chemistry
- Polymers and Plastics
Cite this
Synthesis of thermally cross-linkable fluorine-containing poly(aryl ether ketone)s I. Phenylethynyl terminated poly(aryl ether ketone)s. / Kimura, Kunio; Nishichi, Ai; Yamashita, Yuhiko.
In: Polymer Journal, Vol. 34, No. 3, 2002, p. 209-218.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Synthesis of thermally cross-linkable fluorine-containing poly(aryl ether ketone)s I. Phenylethynyl terminated poly(aryl ether ketone)s
AU - Kimura, Kunio
AU - Nishichi, Ai
AU - Yamashita, Yuhiko
PY - 2002
Y1 - 2002
N2 - Fluorine-containing poly(aryl ether ketone)s (PEKs) derived from 2,3,4,5,6-pentafluorobenzoic acid (PFBA) exhibit outstanding solubility, thermal stability, low dielectric constant, low moisture absorption and high transparency. Hence, they are expected to be available for optical and electric materials. In such applications, excellent solubility is of great advantage for making thin film and coating. Contrary to this advantage, this is of disadvantage from a point of solvent resistance. Thermally cross-linkable fluorine-containing PEKs terminated with phenylethynyl moiety (PEK-PEP) are synthesized to improve the solvent resistance in this study. Cross-linking reaction occurs over 320°C and it brings about not only the outstanding solvent resistance but also the increase of Tg. Relationship between the cross-linking density and Tg can be fundamentally interpreted by configurational entropy theory. Furthermore, the cured PEK-PEPs possess excellent thermal stability with the 10% weight loss temperature in the range from 544 to 598°C.
AB - Fluorine-containing poly(aryl ether ketone)s (PEKs) derived from 2,3,4,5,6-pentafluorobenzoic acid (PFBA) exhibit outstanding solubility, thermal stability, low dielectric constant, low moisture absorption and high transparency. Hence, they are expected to be available for optical and electric materials. In such applications, excellent solubility is of great advantage for making thin film and coating. Contrary to this advantage, this is of disadvantage from a point of solvent resistance. Thermally cross-linkable fluorine-containing PEKs terminated with phenylethynyl moiety (PEK-PEP) are synthesized to improve the solvent resistance in this study. Cross-linking reaction occurs over 320°C and it brings about not only the outstanding solvent resistance but also the increase of Tg. Relationship between the cross-linking density and Tg can be fundamentally interpreted by configurational entropy theory. Furthermore, the cured PEK-PEPs possess excellent thermal stability with the 10% weight loss temperature in the range from 544 to 598°C.
KW - Cross-Linking
KW - Fluorine-Containing Polymer
KW - Phenylethynyl Group
KW - Poly(aryl ether ketone)
KW - Solvent Resistance
KW - Thermal Stability
UR - http://www.scopus.com/inward/record.url?scp=0036262313&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0036262313&partnerID=8YFLogxK
U2 - 10.1295/polymj.34.209
DO - 10.1295/polymj.34.209
M3 - Article
AN - SCOPUS:0036262313
VL - 34
SP - 209
EP - 218
JO - Polymer Journal
JF - Polymer Journal
SN - 0032-3896
IS - 3
ER -