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Updated: Sep 16, 2025

Thin Film Composite Silicon Elastomers for Cell Culture and Skin Applications: Manufacturing and Characterization

Thin Film Composite Silicon Elastomers for Cell Culture and Skin Applications: Manufacturing and Characterization

Published on: July 3, 2018

Eco-Friendly Adhesion of Isosorbide-Based Polycarbonate.

Ruiqi Han¹, Kazuaki Matsumura¹, Masayuki Yamaguchi¹

¹Graduated School of Advanced Science and Technology, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi 923-1292, Ishikawa, Japan.

Molecules (Basel, Switzerland)

|July 12, 2025

Summary

Adding a small amount of a vinyl alcohol and butenediol copolymer to isosorbide-based polycarbonate (ISB-PC) significantly enhances its adhesion with biodegradable poly(vinyl alcohol) glue. This modification improves lap-shear strength while maintaining transparency.

Keywords:

adhesion biodegradable isosorbide poly(vinyl alcohol)polycarbonate

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Area of Science:

Materials Science
Polymer Chemistry
Adhesion Science

Background:

Isosorbide-based polycarbonate (ISB-PC) is a glassy polymer with potential applications in various fields.
Adhesion of polymers is crucial for many material applications, but challenges remain in achieving strong and durable bonds.
Environmental concerns regarding microplastics necessitate the development of biodegradable and sustainable adhesive solutions.

Purpose of the Study:

To investigate the practical adhesion between a conventional poly(vinyl alcohol) glue and a glassy isosorbide-based polycarbonate (ISB-PC).
To evaluate the effect of adding a copolymer of vinyl alcohol and butenediol on the adhesive properties of ISB-PC.
To explore a sustainable approach for enhancing the performance of ISB-PC in adhesive applications.

Main Methods:

Formulation of ISB-PC with varying concentrations of a vinyl alcohol and butenediol copolymer.
Preparation of adhesive joints using poly(vinyl alcohol) glue and modified ISB-PC.
Measurement of lap-shear strength to quantify adhesive performance.
Assessment of blend transparency and copolymer miscibility within the ISB-PC matrix.

Main Results:

The addition of 1 wt.% of the copolymer significantly improved the lap-shear strength of the ISB-PC/poly(vinyl alcohol) adhesive joint.
The enhanced adhesion is attributed to the dissolution of copolymer chains within the ISB-PC, facilitated by its low water droplet contact angle.
The modified ISB-PC blend maintained transparency, indicating good miscibility of the copolymer.

Conclusions:

A novel method for enhancing the adhesion of ISB-PC with biodegradable poly(vinyl alcohol) glue has been demonstrated.
The incorporation of a specific copolymer offers a promising strategy to improve the mechanical performance of ISB-PC in adhesive applications.
This technique presents an attractive solution for developing high-strength, transparent, and potentially more sustainable adhesive materials, addressing microplastic concerns.