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KNOWLEDGE — INNOVATION — SOLUTIONS
INSTANT ADHESIVES (CYANOACRYLATES)
INSTANT ADHESIVES (CYANOACRYLATES)

Strong, fast, and durable instant adhesives for multiple purposes.

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HOT MELT ADHESIVES
HOT MELT ADHESIVES

Fast, cost-effective, versatile, and reliable hot-melt adhesive bonds.

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UV CURING ADHESIVES
UV CURING ADHESIVES

Light-cured adhesives for strength and longer lifetimes.

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STRUCTURAL EPOXY AND INDUSTRIAL ADHESIVE
STRUCTURAL EPOXY AND INDUSTRIAL ADHESIVE

Maximum Tensile and Shear Strength in non-solvent and solvent-based technologies.

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INDUSTRIAL TAPES
INDUSTRIAL TAPES

Single or double-sided VHA tapes, from removable to permanent strength.

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EPOXIES, ELECTRICAL POTTING COMPOUND
EPOXIES, ELECTRICAL POTTING COMPOUND

UL approved products in a variety of ratios and viscosities.

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SEALANTS, ANAEROBIC THREADLOCKER, RETAINING COMPOUNDS
SEALANTS, ANAEROBIC THREADLOCKER, RETAINING COMPOUNDS

Tough, Resilient, Flexible, High temperature resistant, MIL-spec and ASTM specifications available.

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DISPENSING EQUIPMENT
DISPENSING EQUIPMENT

Soft-squeeze bottles, UV Curing equipment, robots and semi-automatic adhesive dispensing systems.

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2019-09-13
Instant Adhesives and…Medicine?

Instant Adhesives and…Medicine?

Now that we have a baseline understanding of cyanoacrylates, we will take a look at their role in an area you may not have immediately come to associate with instant adhesives – medicine.

 

We are all familiar with a particular hazard surrounding these adhesives - warning users that the glue can bond to skin in a few seconds. However, this is precisely what forms the basis of their selling point for applications in medicine.

 

While this idea may sound novel, an article published in the journal of World Neurology by CARTON et al. (1960) shows treatment protocols as far back as the 1960s.

 

Although a novel idea at the time, cyanoacrylates now exhibit commonplace usage among A&E departments worldwide.

 

Clinical Advantages

Wound healing methods such as sutures, while they certainly have their place, are known for sometimes imparting dehiscence amongst wound sites.

 

On the other hand, an uninterrupted seal, with equally distributed loading, forms along the wound when using instant adhesives. Additional benefits can be seen as they inherently form a barrier against bacteria, leading to a reduction in the formation of scarred tissue.

 

The Bonding Process

Just how does this adhesion occur on wound sites? To understand this question, we need to take a look at the two mechanisms that instant adhesives exploit in order to form a bond:

 

Covalent Bonding - chemical reactions take place on a molecular level when the cyanoacrylate is applied on to the substrate i.e. wound site tissue. The proteins found within tissue (e.g. amine groups) are a prerequisite for covalent bonding to ultimately occur.

 

Mechanical Bonding - the low viscosity of cyanoacrylate monomers allow for relatively straightforward penetration of the substrative tissue, due to their porous nature; interlocking once the adhesive sets and polymerises.

 

This interplay and combination of chemical and mechanical bonding are what ultimately act as determinants for the strength of the bond when used for wound healing.

 

REFERENCES

CARTON, C. A. et al. (1960) ‘A plastic adhesive method of small blood vessel surgery.’, World neurology. United States, 1, pp. 356–362.

 


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