Download Paper: Designing Plasticizer-Free Soft TPU

Copilot said: Alt text (short): Clear liquid being poured from a laboratory beaker into a larger glass beaker filled with liquid, with laboratory glassware blurred in the background.

This paper introduces KURARAY POLYOL P-XX50 series, polyester polyols based on MPD and bio-based sebacic acid, and discusses its potential for designing plasticizer-free soft TPU with heat resistance and low water absorption.

Why KURARAY POLYOL P-XX50 series (MPD/Sebacic acid-based polyester polyols)?

Liquid at room temperature
Low viscosity and easy handling
Contributes to flexibility
Low water absorption
Bio-based raw materials

Benefits for soft TPU design

Softness without relying on plasticizers
Heat resistance
Low water absorption
Broad molecular-weight lineup (500 to 6,000)

Paper title

Unique features of plasticizer-free soft-TPU made with bio-based polyol from 3-methy-1,5-pentanediol and sebacic acid

Research presented at the Polyurethanes Technical Conference, organized by the Center for the Polyurethanes Industry (CPI) of the American Chemistry Council, has now been published in "PU Magazine", an international trade publication for the polyurethane industry.

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