Phenol formaldehyde

Phenol formaldehyde

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  Phenol Formaldehyde Presentation by Primary InformationServices www.primaryinfo.com mailto:[email protected]
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  Phenol Formaldehyde Resin isspecially formulated for ablative applications. These are synthetic polymers by the reaction of phenol or substituted phenol with formaldehyde. Phenolic resin is ideal for production of circuit boards, laboratory counterparts, pool balls and as adhesives and coatings. These resins possesses 60-65% solid content and solvent is ethanol. The resin is extensively demanded for manufacturing prepregs based on carbon fabric that is broadly used in diverse aerospace, space and defense applications. These resins are available in pale cream and brown (light & dark) colors.
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  Based on production, phenolformaldehyde resins can be categorized into two types. These are called Novolacs and Resoles. Novolac resins are produced under acidic condition with excess phenol, while resol resins are produced under basic conditions with excess formaldehyde. Novolacs are phenol-formaldehyde resin with a formaldehyde to phenol molar ratio of less than one.
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  Phenol-formaldehyde resin, alsocalled phenolic resin, any of a number of synthetic resins made by reacting phenol (an aromatic alcohol derived from benzene) with formaldehyde (a reactive gas derived from methane). Phenol-formaldehyde resin Plant
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  Database https://www.primaryinfo.com/phenol-formaldehyde.htm
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