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Effect of synthesis variables on tack in urea-formaldehyde resinAuthor(s): R.J. Leicht; C.Y. Hse; R.C. Tang
Source: Journal of Adhesion 25:31-44
Publication Series: Miscellaneous Publication
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DescriptionThe degree of tack-the ability of resin to adhere to another surface under light pressure and over short time- in urea-formaldehyde resin varies throughout the particle board manufacturing process and affects mill maintenance and board quality. A three-part study was conducted to evaluate the effects of certain synthesis variables- molar formaldehyde:urea ratio, ingredient concentration, reaction pH, and reaction catalyst- on tack of urea-formaldehyde resin in particle board manufacturing. Southern pine particleboard mats were formed and prepressed in the laboratory, and tack was evaluated with the push-off method. Reaction pH significantly affected tack and viscosity, which were highly related.
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CitationLeicht, R.J.; Hse, C.Y.; Tang, R.C. 1988. Effect of synthesis variables on tack in urea-formaldehyde resin. Journal of Adhesion 25:31-44
KeywordsParticleboard, reaction catalyst, reaction pH, tack, urea-formaldehyde resin, effect of resin-synthesis variables
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