Mechanochromic polyurethane elastomers containing main-chain naphthalimide moieties

Tomoya Tada; Tetsuma Inaoka; Hiromitsu Sogawa; Fumio Sanda

doi:10.1039/d6py00353b

January 1, 2026Polymer Chemistry

Mechanochromic polyurethane elastomers containing main-chain naphthalimide moieties

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Key Points

The aim is to synthesize novel mechanochromic polyurethane elastomers utilizing naphthalimide as a mechanofluorophore.
Synthesis of polyurethane elastomers using naphthalimide as a mechanofluorophore.
Connection of two naphthalimide units with an ethynylene-phenyleneethynylene unit to extend π-conjugation.
Measurement of light absorption at specific wavelengths.
The synthesized elastomers exhibited significant mechanochromic properties.
Light absorption was observed at 402 nm.
The insertion of the conjugated unit enhanced the elastic properties.

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Implication

Novel mechanochromic polyurethane elastomers were synthesized, indicating potential for advanced materials.

Abstract

Novel mechanochromic polyurethane elastomers were synthesized using naphthalimide as a mechanofluorophore. Connection of two naphthalimide units with an ethynylene-phenyleneethynylene unit extended the π-conjugation. The polyurethanes absorbed light at 402 nm...

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Cite This Study

Tada et al. (2026) studied this question.

synapsesocial.com/papers/6a28fe716f82f25be989bbe9 https://doi.org/10.1039/d6py00353b

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Mechanochromic polyurethane elastomers containing main-chain naphthalimide moieties

Key Points

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

Mechanochromic polyurethane elastomers containing main-chain naphthalimide moieties

Key Points

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

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