Flame retardant biogenic building insulation materials from hemp fiber

Jadhav, Porus Sunil; Sarkar, Arpita; Zhu, Long; Ren, Shenqiang

doi:10.1002/app.55137

Flame retardant biogenic building insulation materials from hemp fiber

Journal Article · Wed Dec 27 00:00:00 EST 2023 · Journal of Applied Polymer Science

DOI:https://doi.org/10.1002/app.55137· OSTI ID:2263379

Jadhav, Porus Sunil ^[1]; ^[1]; Zhu, Long ^[1]; ^[1]

Univ. of Maryland, College Park, MD (United States)

Biogenic thermal insulation materials are in high demand because of its carbon-sequestration nature. However, high flammability, moisture condensation, and relatively high thermal conductivity of biogenic material are major concerns for sustainable building applications. In this study, we report the fire-retardant cellulose xerogel insulation nanocomposites derived from hemp fiber recycling and silica xerogel, in which the boric acid treatment improves its fire retardancy. The as-prepared materials show a low thermal conductivity of 31.3 mW/m K, high flexural modulus of 665 MPa, hydrophobicity with the water contact angle of 115°, and fire retardancy with 30% weight loss over a period of burning time 10 min. Overall, this work provides an effective method for the synthesis of fire-retardant biogenic thermal insulation materials and shows a promising way for next-generation bio-based insulation materials.

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Research Organization:: Univ. of Maryland, College Park, MD (United States)

Sponsoring Organization:: USDOE; USDOE Advanced Research Projects Agency - Energy (ARPA-E)

Grant/Contract Number:: AR0001771

OSTI ID:: 2263379

Alternate ID(s):: OSTI ID: 2263381
OSTI ID: 2575847

Journal Information:: Journal of Applied Polymer Science, Journal Name: Journal of Applied Polymer Science Journal Issue: 12 Vol. 141; ISSN 0021-8995; ISSN 1097-4628

Publisher:: WileyCopyright Statement

Country of Publication:: United States

Language:: English

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