Study on wood vinegars for use as coagulating and antifungal agents on the production of natural rubber sheets

Baimark, Yodthong; Niamsa, Noi

doi:10.1016/j.biombioe.2009.04.001

Cited by 89 publications

(68 citation statements)

References 8 publications

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“…The wood vinegars produced from biomasses such as inner coconut shells, bamboo and Eucalyptus wood effectively controlled fungal growth. The antifungal efficiency of wood vinegars was reported to be strongly dependent on their phenolic compounds contents [44]. Importance of phenolic components of vinegar pyrolysed from wood chips has also been reported by Inoue et al [45].…”

Section: Fungicidementioning

confidence: 64%

History and Use of Wood Pyrolysis Liquids as Biocide and Plant Protection Product

Tiilikkala¹,

Fagernäs²,

Tiilikkala³

2010

TOASJ

152

107

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Archeological studies have found that pyrolysis liquids were already used in the time of the Neanderthal. Wood vinegar and other slow pyrolysis liquids are produced as a by-product of charcoal production. However, future business ideas may be the other way round as pyrolysis liquids may replace synthetic chemicals in the form of pesticides and biocides.Directives and regulations related to the sustainable use of pesticides govern and direct plant protection strategies towards a lower use of synthetic chemicals. It is hoped that many mega trends of global policies will boost the use of plant based products given that a reduced reliance on fossil fuel is a general target in the global food and feed production economy. Pyrolysis technology has been actively studied and developed around the world and is linked to the development of the knowledge based bio-economy. The importance and social impact of pyrolysis technologies will also be enhanced because it is a practicable technique in the sustainable use of wastes and biomasses. However, very little scientific evidence is available to support efficacy claims of wood vinegar and toxicology assessments of the products used. Wood tar has been investigated a bit more thoroughly. The aim of this review was to clarify the potential of slow pyrolysis liquids in agricultural use, in particular, in pesticide applications. In addition, some of the main challenges in developing novel bio control technologies are discussed and the barriers in the commercialization of biological control agents are revealed.

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Section: Fungicidementioning

confidence: 64%

History and Use of Wood Pyrolysis Liquids as Biocide and Plant Protection Product

Tiilikkala¹,

Fagernäs²,

Tiilikkala³

2010

TOASJ

152

107

View full text Add to dashboard Cite

show abstract

“…Moreover, as the antifungal efficiency of wood vinegars was reported to be strongly dependent on the phenolic compound contents (Baimark and Niamsaa 2009), it is recommended that further studies should be conducted on the chemistry and reactive sites of wood vinegar volatile compounds. a Dilution indicates deionized water : wood vinegar on a volume basis b Degree of discoloration was calculated based on a rating of 0 (no stain) to 100 (completely discolored).…”

Section: Resultsmentioning

confidence: 99%

Laboratory Evaluation of the Anti-stain Efficacy of Crude Wood Vinegar for Pinus densiflora

Salim¹,

Shahomlail²,

Choi³

et al. 2013

BioResources

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“…Nilai PRI karet alam murni yang sangat rendah dapat disebabkan karena terjadinya reaksi biokimia dalam lateks selama penyimpanan akibat adanya kontaminasi bakteri (Bonfils et al, 2005;Fri et al, 2007). Bakteri dapat menguraikan antioksidan alami yang terkandung dalam lateks sebagai bahan non karet (Baimark & Niamsa, 2009). Selain itu akibat dari terdekomposisinya ikatan rangkap C=C dalam rantai molekul karet alam murni pada suhu tinggi yang dipercepat dengan adanya oksigen saat pengujian PRI.…”

Section: Hasil Dan Pembahasanunclassified

Katalitik transfer hidrogenasi lateks karet alam dengan senyawa diimida pada skala semi pilot

Puspitasari

Cifriadi

2017

MKKP

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Improvement on thermal oxidative resistance of natural rubber can strenghten its application especially on the ABSTRAKPeningkatan ketahanan oksidasi termal karet alam dapat memperluas aplikasinya terutama untuk pembuatan produk karet yang diaplikasikan di luar ruangan. Karet alam tahan oksidasi termal dapat dibuat secara hidrogenasi menggunakan senyawa diimida yang dihasilkan secara insitu dari oksidasi hidrasina hidrat oleh hidrogen peroksida. Pada riset ini dipelajari kondisi optimum reaksi hidrogenasi lateks karet alam pada skala semi pilot berkapasitas 2,5 kg lateks pekat/batch berkatalis asam borat. Sistem kestabilan koloid lateks selama reaksi dipertahankan dengan penambahan kombinasi surfaktan anionik/nonionik. Variabel yang ditetapkan dalam reaksi meliputi suhu (40 dan 50 o C) dan rasio konsentrasi hidrasina hidrat (40 dan 42,5 phr) terhadap hidrogen peroksida (30 dan 35 phr). Berdasarkan hasil analisis kualitatif dan kuantitatif terhadap karet terhidrogenasi diketahui bahwa kondisi optimal reaksi hidrogenasi lateks karet alam dicapai pada suhu 50 o C dengan rasio konsentrasi hidrasina hidrat/hidrogen peroksida sebesar 42,5/35 phr. Pada kondisi reaksi tersebut, karet terhidrogenasi memiliki sifat ketahanan oksidasi termal yang lebih baik dibandingkan karet alam murni yang ditunjukkan dengan wujud bertekstur kokoh, keras, dan tidak lengket, indeks ketahanan plastisitas tertinggi sebesar 38,5% dan derajat hidrogenasi sebesar 60,48%. Karet hidrogenasi tersebut juga memiliki kadar gel yang rendah sebesar 56,98%.Kata kunci: Diimida, karet alam, ketahanan oksidasi termal, hidrogenasi.

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Study on wood vinegars for use as coagulating and antifungal agents on the production of natural rubber sheets

Cited by 89 publications

References 8 publications

History and Use of Wood Pyrolysis Liquids as Biocide and Plant Protection Product

History and Use of Wood Pyrolysis Liquids as Biocide and Plant Protection Product

Laboratory Evaluation of the Anti-stain Efficacy of Crude Wood Vinegar for Pinus densiflora

Katalitik transfer hidrogenasi lateks karet alam dengan senyawa diimida pada skala semi pilot

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