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- Title
A Urethane Block Copolymer as Binder for Fire-Resist Palm-Based Fibreboard.
- Authors
Redwan, Amamer; Badri, Khairiah Haji; Baharum, Azizah
- Abstract
The mechanical properties and fire resistance of medium-density fibreboard (MDF) consisting of empty fruit bunch fibre (EFB) and palm-based pre-polyurethane (pPU) as the green binder were investigated. The EFB was in the size range of 300 to 500 μ m with ATH varied at 5, 10, and 15%w/w of the total mass of the resin and was added into the pPU matrix at a ratio of 65:35 of the EFB to pPU. This study discovered the significant of mixing sequence to the strength enhancement of the fibreboard. A direct proportionality was noted between the Shore D hardness and the amount of ATH with an increase up to 17% with increasing ATH content. Furthermore, this is contributed to well-disperse ATH in the pPU matrix which also increased the impact and flexural strengths. An increase in impact strength of 13, 20 and 33%, with increasing ATH loading percentage was observed. The maximum increase in flexural strength was 33%, which was associated to ATH content of 15%. On the other hand, the burning rate decreased from 6.0 to 3.2 mm·s-1 with increasing ATH content.
- Subjects
BLOCK copolymers; MEDIUM density fiberboard; POLYURETHANES; MECHANICAL behavior of materials; IMPACT strength
- Publication
Polymers & Polymer Composites, 2016, Vol 24, Issue 9, p681
- ISSN
0967-3911
- Publication type
Article
- DOI
10.1177/096739111602400902