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Paints, wood stains, varnishes and colour
Published in Arthur Lyons, Materials for Architects and Builders, 2019
The binder solidifies to produce the paint film. Traditionally, the binder was natural linseed oil, which set by gradual oxidation on exposure to air. However, linseed oil has now largely been replaced by alkyd resins that oxidise in air, or vinyl and acrylic resins that solidify by drying. To ensure adequate fluidity of the paint during application by brushing or spraying, either water or organic solvents (hydrocarbons, ketones or esters) are incorporated; paint thinners have the same effect. The base material, usually white titanium dioxide, produces the required opacity, although the body of the paint may be increased by the incorporation of inert extenders such as silica, calcium carbonate, china clay or barytes. Colouring materials are frequently a mixture of organic and inorganic dyes and pigments. Driers that induce the polymerisation of the binder ensure a rapid drying process.
Polymerization of Natural Oils for a Quartz Crystal Microbalance-Based Gas Sensor Application
Published in Chin Hua Chia, Chin Han Chan, Sabu Thomas, Functional Polymeric Composites, 2017
Rashmi.T.A. Das, Panchan.A.N. Pramanik, Raj.I.B. Bandyopadhyay
Linseed oil is highly unsaturated oil, which is obtained from the seed and widely used as the drying oil in paint industries and as an ingredient for the modification of resins. This oil is obtained by solvent extraction method which contains low impurities and better quality.
Lead-induced modification of growth and yield of Linum usitatissimum L. and its soil remediation potential
Published in International Journal of Phytoremediation, 2023
Adnan Khan, Athar Ali Khan, Mohd Irfan, Mohd Sayeed Akhtar, Syed Aiman Hasan
Linum usitatissimum L. (Family Linaceae; vernacular Linseed or Alsi) is a widely cultivated fibrous crop plant commercially cultivated for its fabric, linseed oil, and nutraceuticals (Shim et al. 2014; Yan et al. 2014; Zainab et al. 2020). Fibers obtained from the stem of L. usitatissimum are used to make a high-quality fabric called linen and seeds are used as herbal medicines as a preventive against malignant tumors and for the management and treatment of hypertension, heart diseases, cancer, thrombosis, high cholesterol, and low-density lipoprotein levels in the blood (Jhala and Hall 2010; Saleem, Ali, et al. 2020). Cigarette papers and high-quality writing papers are made from stem fibers (Yan et al. 2014). Linseed oil is used in the production of printing inks and varnishes (Hill, 1952). India is also one of the major producers of flax in the world which produces around 8% of the world (Tandon et al. 2021). The flax plant is also used as an ornamental plant due to its attractive flowers (Saleem, Ali, et al. 2020).
Hydration of flax fibre-reinforced cementitious composites: influence of fibre surface treatments
Published in European Journal of Environmental and Civil Engineering, 2022
Jonathan Page, Fouzia Khadraoui, Moussa Gomina, Mohamed Boutouil
Linseed oil is a viscous liquid that hardens by oxidation with the air to form a solid film. This oil-drying nature explains its common use as a surface coating for waterproofing in wood industry (Lazko et al., 2011). This treatment has already been experimented to enhance the compatibility between cement and lignocellulosic particles (Monreal et al., 2011; Nozahic & Amziane, 2012). A linseed oil/fibre mass ratio of 0.25 was used for the treatment. This ratio results from an optimisation study carried out previously (J. Page et al., 2019). For this treatment, the fibres previously dried at 50 ± 0.1 °C were mixed with the linseed oil in a planetary mixer. The treated fibres were then placed in a ventilated oven at 50 ± 0.1 °C for 14 d. The fibres thus obtained are abbreviated LOF for linseed oil fibres.