TW202603071A - Heat-resistant liquid crystal polymer film - Google Patents
Heat-resistant liquid crystal polymer filmInfo
- Publication number
- TW202603071A TW202603071A TW113126025A TW113126025A TW202603071A TW 202603071 A TW202603071 A TW 202603071A TW 113126025 A TW113126025 A TW 113126025A TW 113126025 A TW113126025 A TW 113126025A TW 202603071 A TW202603071 A TW 202603071A
- Authority
- TW
- Taiwan
- Prior art keywords
- liquid crystal
- crystal polymer
- heat
- polymer film
- resistant liquid
- Prior art date
Links
Abstract
本發明耐熱型液晶高分子膜，其包括有一可溶型液晶高分子，其占該耐熱型液晶高分子膜之15~75wt%；一不可溶型液晶高分子，其占該耐熱型液晶高分子膜之15~75wt%；及一聚醯亞胺，其係由二酸酐及二胺組成，其占該耐熱型液晶高分子膜10~50wt%，且該聚醯亞胺之玻璃轉化溫度(Tg)大於250℃，其中，該耐熱型液晶高分子膜之吸濕性小於0.5%、在頻率10GHz、濕度為65%RH條件下，該耐熱型液晶高分子膜之介電損耗(Df)小於0.005；又在50~200℃之條件下，該耐熱型液晶高分子膜之線性熱膨脹係數(CTE)小於20ppm/℃；在310℃條件下，該耐熱型液晶高分子膜之儲存模數(E’)大於0.2Gpa；以該耐熱型液晶高分子膜之玻璃轉化溫度(Tg)大於220℃。The present invention comprises a heat-resistant liquid crystal polymer film, comprising a soluble liquid crystal polymer comprising 15-75 wt% of the heat-resistant liquid crystal polymer film; an insoluble liquid crystal polymer comprising 15-75 wt% of the heat-resistant liquid crystal polymer film; and a polyimide composed of dianhydride and diamine comprising 10-50 wt% of the heat-resistant liquid crystal polymer film, wherein the glass transition temperature (Tg) of the polyimide is greater than 250°C, and the hygroscopicity of the heat-resistant liquid crystal polymer film is less than... The dielectric loss (Df) of the heat-resistant liquid crystal polymer film is less than 0.005 under the conditions of 10 GHz frequency and 65% RH humidity; the linear thermal expansion coefficient (CTE) of the heat-resistant liquid crystal polymer film is less than 20 ppm/℃ under the conditions of 50~200℃; the storage modulus (E’) of the heat-resistant liquid crystal polymer film is greater than 0.2 Gpa under the conditions of 310℃; and the glass transition temperature (Tg) of the heat-resistant liquid crystal polymer film is greater than 220℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW113126025A TWI892749B (en) | 2024-07-11 | 2024-07-11 | Heat-resistant liquid crystal polymer film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW113126025A TWI892749B (en) | 2024-07-11 | 2024-07-11 | Heat-resistant liquid crystal polymer film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TWI892749B TWI892749B (en) | 2025-08-01 |
| TW202603071A true TW202603071A (en) | 2026-01-16 |
Family
ID=97523911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW113126025A TWI892749B (en) | 2024-07-11 | 2024-07-11 | Heat-resistant liquid crystal polymer film |
Country Status (1)
| Country | Link |
|---|---|
| TW (1) | TWI892749B (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI650358B (en) * | 2017-09-14 | 2019-02-11 | 佳勝科技股份有限公司 | Liquid crystal polymer composition and high frequency composite substrate |
| CN119875271A (en) * | 2020-06-12 | 2025-04-25 | 日铁化学材料株式会社 | Resin composition, resin film, metal-clad laminate, and printed wiring board |
-
2024
- 2024-07-11 TW TW113126025A patent/TWI892749B/en active
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