-
公开(公告)号：US20240218126A1
公开(公告)日：2024-07-04
申请号：US18393163
申请日：2023-12-21
发明人： Hosung Lee , Ik Sang Lee , Minseok Yang
IPC分类号： C08G73/10
CPC分类号： C08G73/1071 , C08G73/1032 , B29C43/003
摘要： Provided is a polyimide molded product comprising polyimide powder obtained by imidizing a dianhydride monomer and a diamine monomer, in which a bidirectional coefficient of thermal expansion (CTEBi-direction) according to Equation 1 below in the range of 25° C. to 300° C. is 0.7 to 1.5:
Bidirectinal
coefficient
of
thermal
expansion
(
CTE
Bi
-
direction
)
=
Transverse
coefficient
of
thermal
expansion
(
CTE
x
)
/
Longitudinal
coefficient
of
thermal
expansion
(
CTE
y
)
=
C
T
E
x
/
CTE
y
.
[
Equation
1
]
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