Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1997-07-28
1998-06-16
Acquah, Samuel A.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528192, 528206, 528219, 524401, 524442, 524601, 428480, C08G 6302, C08G 6318
Patent
active
057672237
ABSTRACT:
A thermotropic liquid crystal polyester and a sealing material used for electric and electronic parts prepared from the thermotropic liquid crystal polyester, which polyester can be molded at low temperatures, while which polyester has heat resistance capable of well withstanding the process such as soldering. The thermotropic liquid crystal polyester is characterized in that it contains five kinds of specified repeating structural units in the respective ratios and it meets specific conditions of an intrinsic viscosity or the temperature of complete melting and storage elastic modulus.
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Kobayashi Toshitaka
Murouchi Satoshi
Yamada Yoshikuni
Acquah Samuel A.
Nippon Petrochemicals Company Limited
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