JP2021024985A5 - - Google Patents

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JP2021024985A5
JP2021024985A5 JP2019145650A JP2019145650A JP2021024985A5 JP 2021024985 A5 JP2021024985 A5 JP 2021024985A5 JP 2019145650 A JP2019145650 A JP 2019145650A JP 2019145650 A JP2019145650 A JP 2019145650A JP 2021024985 A5 JP2021024985 A5 JP 2021024985A5
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Prior art keywords
liquid crystal
polyester resin
crystal polyester
resin according
satisfy
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JP2019145650A
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JP2021024985A (en
JP7284033B2 (en
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Priority to JP2019145650A priority Critical patent/JP7284033B2/en
Priority claimed from JP2019145650A external-priority patent/JP7284033B2/en
Priority to TW109121343A priority patent/TW202112887A/en
Priority to KR1020200081768A priority patent/KR20210018034A/en
Priority to CN202010783515.9A priority patent/CN112341609A/en
Publication of JP2021024985A publication Critical patent/JP2021024985A/en
Publication of JP2021024985A5 publication Critical patent/JP2021024985A5/ja
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Description

本発明の液晶ポリエステル樹脂は、これから構成される成形品について、後述する方法で測定される引張強度が、好ましくは200MPa以上、より好ましくは205MPa以上、さらに好ましくは210MPa以上であり、通常は280MPa以下である。 The liquid crystal polyester resin of the present invention has a tensile strength of preferably 200 MPa or more, more preferably 205 MPa or more, still more preferably 210 MPa or more , and usually 280 MPa or less, as measured by a method described later for a molded product composed of the same. Is.

本発明の液晶ポリエステル樹脂は、これから構成される成形品について、後述する方法で測定される曲げ強度が、好ましくは125MPa以上、より好ましくは130MPa以上、さらに好ましくは135MPa以上であり、通常は250MPa以下である。
The liquid crystal polyester resin of the present invention has a bending strength of preferably 125 MPa or more, more preferably 130 MPa or more, still more preferably 135 MPa or more , and usually 250 MPa or less, as measured by a method described later for a molded product composed of the same. Is.

Claims (7)

式(I)~(V)
Figure 2021024985000001
[式中、
p、q、r、sおよびtは、それぞれ、液晶ポリエステル樹脂中での各繰返し単位の組成比(モル%)であり、以下の条件を満たす:
51≦p≦69、
1≦q≦5.5、
7≦r≦19、
5≦s≦11、
12≦t≦24、
r≧s]
で表される繰返し単位から構成される液晶ポリエステル樹脂。
Equations (I)-(V)
Figure 2021024985000001
[During the ceremony,
p, q, r, s and t are composition ratios (mol%) of each repeating unit in the liquid crystal polyester resin, respectively, and satisfy the following conditions:
51 ≦ p ≦ 69,
1 ≦ q ≦ 5.5,
7 ≦ r ≦ 19,
5 ≦ s ≦ 11,
12 ≦ t ≦ 24,
r ≧ s]
A liquid crystal polyester resin composed of repeating units represented by.
pおよびqは、12<p/q<19を満たす、請求項1に記載の液晶ポリエステル樹脂。 The liquid crystal polyester resin according to claim 1, wherein p and q satisfy 12 <p / q <19. rおよびsは、0.5≦r/(r+s)<0.6を満たす、請求項1または2に記載の液晶ポリエステル樹脂。 The liquid crystal polyester resin according to claim 1 or 2, wherein r and s satisfy 0.5 ≦ r / (r + s) <0.6. 結晶融解温度は320~360℃である、請求項1~3のいずれかに記載の液晶ポリエステル樹脂。 The liquid crystal polyester resin according to any one of claims 1 to 3, wherein the crystal melting temperature is 320 to 360 ° C. 荷重たわみ温度は220℃以上である、請求項1~4いずれかに記載の液晶ポリエステル樹脂。 The liquid crystal polyester resin according to any one of claims 1 to 4, wherein the deflection temperature under load is 220 ° C. or higher. 請求項1~5のいずれかに記載の液晶ポリエステル樹脂100質量部に対し、繊維状、板状または粉末状の充填材0.1~200質量部を含む、液晶ポリエステル樹脂組成物。 A liquid crystal polyester resin composition containing 0.1 to 200 parts by mass of a fibrous, plate-like or powder-like filler with respect to 100 parts by mass of the liquid crystal polyester resin according to any one of claims 1 to 5. 請求項1~5のいずれかに記載の液晶ポリエステル樹脂あるいは請求項6に記載の液晶ポリエステル樹脂組成物から構成される成形品。 A molded product composed of the liquid crystal polyester resin according to any one of claims 1 to 5 or the liquid crystal polyester resin composition according to claim 6.
JP2019145650A 2019-08-07 2019-08-07 liquid crystal polyester resin Active JP7284033B2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2019145650A JP7284033B2 (en) 2019-08-07 2019-08-07 liquid crystal polyester resin
TW109121343A TW202112887A (en) 2019-08-07 2020-06-23 Liquid crystal polyester resin
KR1020200081768A KR20210018034A (en) 2019-08-07 2020-07-02 Liquid crystal polyester resin
CN202010783515.9A CN112341609A (en) 2019-08-07 2020-08-06 Liquid crystalline polyester resin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019145650A JP7284033B2 (en) 2019-08-07 2019-08-07 liquid crystal polyester resin

Publications (3)

Publication Number Publication Date
JP2021024985A JP2021024985A (en) 2021-02-22
JP2021024985A5 true JP2021024985A5 (en) 2022-03-09
JP7284033B2 JP7284033B2 (en) 2023-05-30

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JP2019145650A Active JP7284033B2 (en) 2019-08-07 2019-08-07 liquid crystal polyester resin

Country Status (4)

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JP (1) JP7284033B2 (en)
KR (1) KR20210018034A (en)
CN (1) CN112341609A (en)
TW (1) TW202112887A (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5015722A (en) * 1990-04-04 1991-05-14 Hoechst Celanese Corporation Melt-processable polyester capable of forming an anisotropic melt which exhibits a highly attractive balance between its molding and heat deflection temperatures
JP5616212B2 (en) 2010-12-16 2014-10-29 上野製薬株式会社 Totally aromatic liquid crystal polyester resin and composition containing the same
JP6181587B2 (en) 2014-03-26 2017-08-16 上野製薬株式会社 Liquid crystal polyester blend
JP6177191B2 (en) 2014-05-30 2017-08-09 上野製薬株式会社 Liquid crystal polyester blend
JP6626358B2 (en) 2016-02-04 2019-12-25 Jxtgエネルギー株式会社 Wholly aromatic liquid crystal polyester resin and method for producing the same
US10968347B2 (en) 2016-12-01 2021-04-06 Jxtg Nippon Oil & Energy Corporation Wholly aromatic liquid crystalline polyester resin
CN110079058A (en) * 2018-01-26 2019-08-02 上野制药株式会社 Liquid crystal polyester resin compositions
JP7175834B2 (en) 2019-04-16 2022-11-21 上野製薬株式会社 liquid crystal polyester resin

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