(Meth)Acrylate Functionalized Poly(Meth)Acrylate-Block-Polyimide-Block-Poly(Meth)Acrylate Copolymer, Preparation Method and Use Thereof

#This invention relates to a (meth)acrylate-functionalized poly(meth)acrylate-block-polyimide-block-poly(meth)acrylate copolymer, preparation method and use thereof. The (meth)acrylate-functionalized poly(meth)acrylate-block-polyimide-block-poly(meth)acrylate copolymer according to the present invention exhibits outstanding thermal stability and excellent optical properties.

#Polyimides are known for their good thermal stability, chemical resistance and mechanical property, etc. However, applications of polyimides in adhesives have been limited due to their low solubility, poor compatibility with common components of adhesives, high melting point and extreme difficulty in processing.

#Many studies have been conducted to modify the thermal and mechanical properties of polyimides. For example, Fu-Ming Wang, etc. synthesized poly(acrylate-co-imide)-based gel polymer electrolytes. See “The network gel polymer electrolyte based on poly(acrylate-co-imide) and its transport properties in lithium ion batteries”, J Solid State Electrochem (2009) 13:1425-1431. Those poly(acrylate-co-imide)-based gel polymers are graft polymers. These grafted polymers are insoluble in most organic solvents. In addition, the bond between the imide moiety and the acrylate moiety is weak, which might impair the thermal stability of the graft polymer.

#Additional features and advantages of the disclosure will be apparent from the detailed description which follows, taken in conjunction with the accompanying drawing, which together illustrate, by way of example, features of the technology; and, wherein:

#FIG. 1 compares the UV-VIS transmission-wavelength plots of copolymers prepared according to Examples of the present invention and a Comparative Example.

#FIG. 2 compares the thermogravimetric analysis (TGA) curves of copolymers prepared according to Examples of the present invention and a Comparative Example.

#Reference will now be made to some illustrative examples, and specific language will be used herein to describe the same. It will nevertheless be understood that no limitation of the scope of the disclosure is thereby intended.

#In the following passages the present disclosure is described in more detail. Each aspect so described may be combined with any other aspect or aspects unless clearly indicated to the contrary. In particular, any feature indicated as being preferred or advantageous may be combined with any other feature or features indicated as being preferred or advantageous.

#In the context of the present disclosure, the terms used are to be construed in accordance with the following definitions, unless a context dictates otherwise.