...Xingbing Yang; Xinye Wang; Wei Li; Tingting Zhang; Mengmeng Yan; Xue Fu Purpose This paper aims to study the direct synthesis of imino methyl ether amino resin using commercially available formaldehyde, melamine and methanol through one-step two-stage catalysis. Design/methodology/approach...

...Ümran Burcu Alkan; Nilgün Kızılcan; Başak Bengü Purpose The purpose of this study is the development of sustainable and low-formaldehyde emission wood adhesive formulations. Design/methodology/approach Three-step urea formaldehyde (UF) resin has been in situ modified with calcium...

...Selda Sert; Nilgün Kızılcan Purpose Cyclohexanone-formaldehyde resin (CFR) was in situ modified with olive pomace (OP) in the presence of sodium hydroxide. The purpose of this study is to produce eco-friendly OP modified cyclohexanone composite resins (OPCFCR) with a one-step method...

...Nilgun Kızılcan; Selda Sert Purpose Cyclohexanone-formaldehyde resin (CFR) was in situ modified with tannin (T) in the presence of sodium hydroxide. The purpose of this study is to produce eco-friendly tannin-modified cyclohexanone resins (TCFR) with a one-step method that has higher...

...Yusuf Yivlik; Nilgun Kizilcan; Ahmet Akar Purpose Cyclohexanone–formaldehyde resin (CFR) was in situ modified with isocyanuric acid (ICA) in the presence of hydrochloric acid or p-toluenesulfonic acid by condensation polymerization. The purpose of this study is to produce...

..., then converted into poly[allyl amino bis(methylene phosphonic acid)-ran-acrylic acid]s by the Mannich reaction with a mixture of formaldehyde and phosphonic acid. In the second route, allyl amino bis(methylene phosphonic acid) monomer was synthesized and copolymerised with acrylic acid. The aim of this work...

...Altaf H. Basta; Houssni El-Saied; Emad M. Deffallah Purpose The purpose of this paper is to examine the effects of denaturised rice bran (RB) and route of its incorporation during synthesis of urea-formaldehyde adhesive, on the performance of the resulting adhesive, especially viscosity, free...

...N. Kizilcan; B. Erson Purpose – This paper aims to report the synthesis of resins having fluorescence properties, with the help of phenylacetylene (PhAc) by one-step method of in situ modification of ketonic resin. Cyclohexanone-formaldehyde resin (CFR) and acetophenone formaldehyde...

... synthesised by esterification reaction of thiophene-2-carbonyl chloride (ThCCl) and hydroxyl groups of cyclohexanone formaldehyde resin (CFR). Thiophene-containing cyclohexanone formaldehyde resin (Th-CFR) was then polymerised by ferric salt. The structures of the specimens were characterised by means...

... by esterification reaction of thiophene-2-carbonyl chloride (ThCCl) and hydroxyl groups of cyclohexanone formaldehyde resin (CFR). Th-CFPDMSR was then polymerised by ferric salt. Thiophene modified ketonic resins (Th-CFPDMSR) as comonomers were characterised by common techniques such as gel permeation...

...Esin Ateş; Nurseli Uyanık; Nilgün Kızılcan Purpose The purpose of the research was as follows. In situ modified urea formaldehyde resins were prepared from clay (montmorillonite) and organoclay in the presence of base catalyst. Different clay contents (1 wt%, 3 wt%, 6 wt%) were used...

...Nilgün Kizilcan; Esin Ateş Purpose The purpose of this paper was as follows. The in situ chemical oxidation (ICO) of vinyl aniline modified cyclohexanone formaldehyde resin (CFVAnR) in the presence of potassium persulphate salt (K₂S₂O₈) was accomplished...

...Esin Ateş; Nilgün Kızılcan Purpose The purpose of this paper is to investigate in situ modification of cyclohexanone‐formaldehyde resins (CFR) by 4‐vinyl aniline (Van). The roles of the reaction temperature, the conductivity, thermal properties, and molecular weight of the product were...

...Nilgün Kızılcan Purpose The purpose of this paper is to describe how lignosulphonate modified ketone formaldehyde resins containing functional groups such as hydroxyl, carbonyl, phenol, were produced via in situ modification of ketone/formaldehyde resins. Cyclohexanone‐formaldehyde (CF‐R...

...Nilgün Kızılcan; Özlem Tamküpeli Koşar Purpose The purpose of this paper is to report the synthesis of resins having conducting and fluorescence properties, with carbazole and oligocarbazole with a one step method of in situ modification of ketonic resin. Cyclohexanone‐formaldehyde (CFR...

...A.M.A. Nada; M.A. Yousef; K.A. Shaffei; A. Salah Bagasse and rice straw lignins undergo different treatments, e.g. acid hydrolysis, oxidation with hydrogen peroxide and thermal treatment, before being used as a partial replacement for phenol in phenol formaldehyde resin. These treatments improved...

...V.D. Athawale; A.V. Chamankar Reports a comprehensive study of the effects of blend ratios (aliphatic alkyd and cyclohexanone formaldehyde resins) on coating properties. Solvent and drier systems used for preparation of blends are also included in the present work. The properties studied were...

...A.M.A. Nada; M.A. Yousef; K.A. Shaffei; A.M. Salah Lignin precipitated from different black liquors wasted from the cooking of rice straw, bagasse and cotton stalks, to produce pulp and paper, can replace phenol by up to 40 per cent in phenol formaldehyde resin. The properties of the resin produced...