Cyanoacrylate-based adhesives

Autor: N. G. Senchenya, Yu. G. Gololobov, T. I. Guseva
Rok vydání: 2007
Předmět:
Zdroj: Polymer Science Series C. 49:235-239
ISSN: 1555-614X
1811-2382
DOI: 10.1134/s181123820703006x
Popis: The effect the curing conditions on the properties of adhesive joints formed using cyanoacrylate-based adhesives is investigated. The temperature dependences of relative rigidity and mechanical loss tangent are studied by torque analysis for poly(ethyl-, allyl-, allyloxyethyl-, allyloxyisopropyl-, propargyloxyethyl-, and propargyl-) cyanoacrylates after their thermal treatment in the temperature range of 20–250°C. The glass transition parameters of polycyanoacrylates and the dependence of the curing intensity on the structure of initial monomers and polymers are determined. It is established that the elastic modulus decreases with the lengthening of alkyl radicals in side chains. A list is experimentally determined of monomers used to obtain adhesive compositions with stable physicomechanical properties and heat resistances of up to 250°C.
Databáze: OpenAIRE
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