Rheology of adhesives. Part IV: Rigidity of adhesive gels

Narayanamurti, D. ; Gupta, R. C. (1958) Rheology of adhesives. Part IV: Rigidity of adhesive gels Progress in Colloid and Polymer Science, 158 (1). pp. 47-49. ISSN 0340-255X

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Official URL: http://www.springerlink.com/content/q771841783251r...

Related URL: http://dx.doi.org/10.1007/BF01744659


The development of rigidity in adhesive solutions, viz. gelatin, casein, urea-formaldehyde, resorcinalformaldehyde and tannin formaldehyde, was followed with the help of the Saunders and Ward apparatus. The shape of the curves shows that the development of rigidity differs with the type of adhesive. The influence of temperatures was also studied with ureaformaldehyde, the "gelation time" is almost halved for every 5°C rise of temperature. Finally the compressive strength of the set gels is also reported.

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