to Polymers
to Adhesives
Dr. Dmitri Kopeliovich
There is no universal adhesive, which is suitable for all possible applications.
Correct selection of an adhesive is determined by optimal combinations of various factors:
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Required bonding strength;
Required elasticity of the adhesive joint;
Environmental conditions (water, temperature range, chemicals);
Service temperature;
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Biodegradability;
Cost effectiveness.
Adhesives for different materials:
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Very good resistance to chemicals (acids, alkalis);
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Good resistance to water;
Very good thermal resistance;
Strong durable bonding;
Low shrinkage;
Ability to fill wide gaps;
Brittleness (poor elasticity);
Poor peel strength.
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Good resistance to acids;
Moderate resistance to alkalis;
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Good thermal resistance;
Fast cure;
Good elasticity at low temperatures;
Characteristic odor (non-toxic).
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Very good thermal resistance;
Good resistance to chemicals (acids, alkalis);
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Good resistance to water;
Suitable for outdoor applications;
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Polyvinyl acetate (PVA)
High degree of instant stickiness (tack);
Good resistance to chemicals (acids, alkalis);
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Moderate resistance to water;
Suitable for indoor applications;
Used with porous substrates;
Unable to fill wide gaps.
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