Dicyclohexyl-3,4,3',4'-tetracarboxylic dianhydride (HBPDA)

CAS Number 122640-83-9

Chemistry Building Blocks, Diamines and Dianhydrides, Heterocyclic Building Blocks, Monomers

Dicyclohexyl-3,4,3',4'-tetracarboxylic dianhydride (HBPDA) MSDS

Dicyclohexyl-3,4,3',4'-tetracarboxylic dianhydride (HBPDA) CAS 122640-83-9

An non-conjugated alicyclic dianhydride

Applied for polyimides synthesis in application of high-performance polymer, photovoltaics, and optoelectronics

Overview
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Dicyclohexyl-3,4,3',4'-tetracarboxylic dianhydride (HBPDA), CAS number 122640-83-9, is a dianhydride building block with a flexible bicyclohexyl core. The polyimides synthesized form dicyclohexyl-3,4,3',4'-tetracarboxylic dianhydride are often transparent, because of the flexible polymer backbones. Thus, it can be used as shielding layers in photovoltaics. The refractive index of the polyimides can be tuned by TiO2 fillers for matching the ZnO layer (the electron transport layer), to reduce the reflection losses at the ZnO interface.

HBPDA based polyimides are solution-processable, owing to the bicyclohexyl moiety. The polyimides are biodegradable, exhibiting 90% weight-average molecular weight changed after 49 days of degradation by porcine pancreatic lipase.

General Information

CAS Number	122640-83-9
Chemical Formula	C₁₆H₁₈O₆
Full Name	Dicyclohexyl-3,4,3',4'-tetracarboxylic dianhydride
Molecular Weight	306.31 g/mol
Synonyms	Dodecahydro-[5,5'-biisobenzofuran]-1,1',3,3'-tetraone
Classification / Family	Dianhydride building block, Photovoltaics, Optoelectronics, High performance polymers

Chemical Structure

Product Details

Purity	>99%
Melting Point	T_m = 208 °C
Appearance	White to off-white powder/crystal

MSDS Documentation

Dicyclohexyl-3,4,3',4'-tetracarboxylic dianhydride (HBPDA) MSDS Sheet

Literature and Reviews

Assessment of optical and thermal properties of polyimide/metal oxide composites for photovoltaic uses, A. Barzic et al., Bull. Mater. Sci., 46, 18(2023); DOI: 10.1007/s12034-023-02889-4.
Development of solution-processable, optically transparent polyimides with ultra-low linear coefficients of thermal expansion, M. Hasegawa, Polymers, 9, 520(2017); DOI: 10.3390/polym9100520.
Polyimides containing aliphatic/alicyclic segments in the main chains, Y. Zhuang et al., Prog. Polym. Sci., 92, 35-88(2019); DOI: 10.1016/j.progpolymsci.2019.01.004.
Preparation, characterization, and bio-degradation studies of high-performance bio-based polyimides based on bicylic diamines derived from citric acid, X. Jiang et al., J. Mater. Chem. C, 11, 1082-1094(2023); DOI: 10.1039/D2TC03639H.
Solution-processable colorless polyimides derived from hydrogenated pyromellitic dianhydride: strategies to reduce the coefficients of thermal expansion by maximizing the spontaneous chain orientation behavior during solution casting, M. Hasegawa et al., Polymers, 14, 1131(2022); DOI: 10.3390/polym14061131.

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