A kind of solvent-resistant and colorless and transparent cross-linked polyimide film and preparation method

A polyimide film, cross-linked technology, applied in the field of optical materials, can solve the problems of the decline of the solvent resistance of the polyimide resin, the reduction of the dimensional stability of the film, the light transmittance, and the limitation of the application in the optical field. The effect of improving light transparency, colorless and transparent solvent resistance, colorless and transparent heat resistance and mechanical properties
CN111073282BActive Publication Date: 2022-05-31浙江中科玖源新材料有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
浙江中科玖源新材料有限公司
Publication Date
2022-05-31

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Abstract

The invention provides a solvent-resistant, colorless and transparent cross-linked polyimide film, the transmittance of the 400nm wavelength light can reach more than 80% and the solvent resistance index is within 1%. At the same time, the present invention also proposes to use the cross-linked polyimide film for photoelectric display devices and other products and components that have high requirements for light transmission and solvent resistance.
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Description

Solvent-resistant, colorless and transparent cross-linked polyimide film and preparation method thereof technical field The present invention relates to the technical field of optical materials, in particular to a kind of solvent-resistant and colorless and transparent cross-linked polyimide Amine film and preparation method. Background technique Polyimide is one of the materials with the best heat resistance in existing polymers, and aromatic polyimide is Molecular chain structure and strong intermolecular force, in addition to excellent heat resistance, it also has thermal stability, dimensional stability properties, mechanical properties, chemical stability and radiation resistance. In addition, the designability of polyimide molecules and the special two-step reaction Its characteristics make it more advantageous in processing, application and research than other rigid chain polymers, so polyimide It has become one of the best choices for OLED display cover an...

Claims

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