摘要:
The present disclosure, in one aspect, relates to a polyamide solution including an aromatic polyamide and a solvent, wherein the aromatic polyamide includes at least two types of constitutional units, and a change rate of coefficient of thermal expansion (CTE) of a cast film produced by casting the polyamide solution on a glass plate and CTE of the same cast film after being subjected to a heat treatment at temperature of 200° C. to 450° C. (=CTE after heat treatment/CTE before heat treatment) is 1.3 or less.
摘要:
The present disclosure, in one aspect, relates to a polyamide solution including an aromatic polyamide and a solvent, wherein the aromatic polyamide includes at least two types of constitutional units, and a change rate of coefficient of thermal expansion (CTE) of a cast film produced by casting the polyamide solution on a glass plate and CTE of the same cast film after being subjected to a heat treatment at temperature of 200° C. to 450° C. (=CTE after heat treatment/CTE before heat treatment) is 1.3 or less.
摘要:
This disclosure, viewed from one aspect, relates to a solution of polyamide comprising: an aromatic polyamide; and a solvent; wherein elastic modulus at 30.0° C. of a cast film formed by applying the solution onto a glass plate is 5.0 GPa or less, and coefficient of thermal expansion (CTE) of the cast film is more than 30 ppm/K, and wherein the aromatic copolyamide comprises at least two repeat units, and at least one of the repeat units has one or more free carboxyl groups.
摘要:
In an aspect, the present disclosure relates to a polyamide solution including aromatic polyamide and a solvent. A dimension change gap between a cast film of the polyamide solution and the cast film after being subjected to a heat treatment is not more than a predetermined value. In another aspect, the present disclosure relates to a method for manufacturing a display element, an optical element, an illumination element or a sensor element, including a step of forming a polyamide film by using the polyamide solution.
摘要:
Provided are a resin composition and a substrate that are capable of being used for manufacturing an electronic device including a transparent resin film having an excellent display property, a method of manufacturing such a resin composition and a method of manufacturing the electronic device using such a substrate and the electronic device. The resin composition of the present invention contains an aromatic polyamide, an aromatic multifunctional compound having two or more functional groups including a carboxyl group or an amino group, and a solvent dissolving the aromatic polyamide.
摘要:
Provided are a resin composition and a substrate that are capable of being used for manufacturing an electronic device having excellent light extraction efficiency. The resin composition contains a polymer and a solvent dissolving the polymer. The resin composition is used to form a layer, and when refractive indexes of the layer along two perpendicular in-plane directions thereof are respectively defined as “Nx” and “Ny” and a refractive index of the layer along a thickness direction thereof is defined as “Nz”, Nx, Ny and Nz satisfy a relationship of “(Nx+Ny)/2−Nz”>0.01. Further, a method of manufacturing the electronic device by using such a substrate, and the electronic device are also provided.