Furfuryl alcohol polymerisation by iodine in methylene chloride

González, Regino; Figueroa, Juan Manuel; González, Hilda

doi:10.1016/s0014-3057(01)00090-8

Cited by 71 publications

(66 citation statements)

References 19 publications

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“…Various reactions have been proposed for the crosslinking of fufuryl alcohol resins [24][25][26], including reaction of carbocationic chain ends with preformed methylene links; see Scheme 4, Reaction (4). However, Choura et al found no evidence for Reaction (4) when tested with model compounds.…”

Section: Physical Appearances Of Cured Resins and Resin Blendsmentioning

confidence: 99%

Flame Retardance and Physical Properties of Novel Cured Blends of Unsaturated Polyester and Furan Resins

2015

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Novel blends of two furan resins with an unsaturated polyester have been prepared and cured by parallel free radical (for the unsaturated polyester) and acid-catalysed crosslinking (for the furan resin) to give co-cured composite materials. Although these materials have inferior physical properties, such as low Tg and low storage modulus compared with those of unsaturated polyester and furan resins alone, they show markedly improved flame retardance compared with that of the normally highly flammable unsaturated polyester. This increased flame retardance arises from a condensed phase mechanism in which the furanic component forms a semi-protective char, reducing rates of thermal degradation and total heat release and heat of combustion. The blends also burn with reduced smoke output compared with that from unsaturated polyester alone.

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Section: Physical Appearances Of Cured Resins and Resin Blendsmentioning

confidence: 99%

Flame Retardance and Physical Properties of Novel Cured Blends of Unsaturated Polyester and Furan Resins

2015

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“…FA is often obtained from agricultural waste such as sugar cane, corn cobs, sunflower or birch chips (Maciel et al 1982;Chuang et al 1984;González et al 1992González et al , 2002Lande et al 2008). According to Lande et al (2004), furfurylation of wood provides protection against bio-degradation (fungi, bacteria and marine borers) without reliance on biocidal treatments.…”

Section: Introductionmentioning

confidence: 99%

Furfurylated wood: impact onPostia placentagene expression and oxalate crystal formation

et al. 2016

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Modified wood can provide protection against a range of wood deteriorating organisms. Several hypotheses have been put forward regarding the protection mechanisms against wood decaying fungi including fungal enzyme inefficiency due to non-recognition, lower micropore size, and insufficient wood moisture content. The aim of this study was to obtain new insight into the protection manner of furfuryl alcohol (FA) modified Scots pine sapwood (W FA ), and to examine biochemical mechanisms and adaptive changes in gene expression utilised by Postia placenta during early colonisation of W FA . Samples were harvested after 2, 4, and 8 weeks of incubation. After 8 weeks, the mass loss (0.1%) and wood moisture content (21.0%) was lower inW FA , than in non-modified Scots pine sapwood samples (W), 26.1% and 46.1%, respectively. Microscopy revealed needle-shaped calcium oxalate crystals, at all harvesting points, most prominently present after 4 and 8 weeks, and only in the W FA samples. Among the findings based on gene profiles were indications of a possible shift toward increased expression, or at least no down regulation, of genes related to oxidative metabolism and concomitant reduction of several genes related to the breakdown of polysaccharides in W FA compared to W.

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“…The band at 2935 cm -1 suggests the presence of methyl groups and the band at 3120 cm -1 corresponds to C 3 and C 4 carbon. The position at 3413 cm -1 corresponds to OH stretch (νO-H) [15][16][17][18][19] . Figure 6a shows the FTIR spectra of cured PFA and PFA composites with 0.5, 1.0 and 2.0 wt% of functionalized CNTs.…”

Section: Characterizationmentioning

confidence: 99%

“…Many studies have been undertaken to develop thermoplastic and thermosetting polymer composites with multiwall carbon nanotubes (MWCNT) as the reinforcing element [5,6] . According to the literature [7][8][9][10] , by introducing small amounts of carbon nanotubes (CNTs), the mechanical, electrical and thermal properties of composite materials can be improved. However, it is generally known that CNTs are not compatible with most solvents available on the market because of the chemical inertness.…”

Section: Introductionmentioning

confidence: 99%

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Analysis of chemical polymerization between functionalized MWCNT and poly(furfuryl alcohol) composite

2018

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Furfuryl alcohol polymerisation by iodine in methylene chloride

Cited by 71 publications

References 19 publications

Flame Retardance and Physical Properties of Novel Cured Blends of Unsaturated Polyester and Furan Resins

Flame Retardance and Physical Properties of Novel Cured Blends of Unsaturated Polyester and Furan Resins

Furfurylated wood: impact onPostia placentagene expression and oxalate crystal formation

Analysis of chemical polymerization between functionalized MWCNT and poly(furfuryl alcohol) composite

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