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Adhesive, also known as glue, cement, mucilage, or paste, is any non-metallic substance applied to one or both surfaces of two separate items that binds them together and resists their separation.
Epoxy is the family of basic components or cured end products of epoxy resins. Epoxy resins, also known as polyepoxides, are a class of reactive prepolymers and polymers which contain epoxide groups. The epoxide functional group is also collectively called epoxy. The IUPAC name for an epoxide group is an oxirane.
In materials science, a thermosetting polymer, often called a thermoset, is a polymer that is obtained by irreversibly hardening ("curing") a soft solid or viscous liquid prepolymer (resin). Curing is induced by heat or suitable radiation and may be promoted by high pressure or mixing with a catalyst. Heat is not necessarily applied externally, and is often generated by the reaction of the resin with a curing agent. Curing results in chemical reactions that create extensive cross-linking between polymer chains to produce an infusible and insoluble polymer network.
Lamination is the technique/process of manufacturing a material in multiple layers, so that the composite material achieves improved strength, stability, sound insulation, appearance, or other properties from the use of the differing materials, such as plastic. A laminate is a permanently assembled object created using heat, pressure, welding, or adhesives. Various coating machines, machine presses and calendering equipment are used.
Canada balsam, also called Canada turpentine or balsam of fir, is the oleoresin of the balsam fir tree of boreal North America. The resin, dissolved in essential oils, is a viscous, sticky, colourless or yellowish liquid that turns to a transparent yellowish mass when the essential oils have been allowed to evaporate.
The J-B Weld Company is an international company that produces epoxy products. The home office is based in Sulphur Springs, Texas. J-B Weld is the name of their flagship product: a specialized, high-temperature epoxy adhesive for use in bonding materials together. The company has run advertisements showing engine block repair with J-B Weld.
A binder or binding agent is any material or substance that holds or draws other materials together to form a cohesive whole mechanically, chemically, by adhesion or cohesion.
Thermal adhesive is a type of thermally conductive glue used for electronic components and heat sinks. It can be available as a paste or as a double-sided tape.
Fluorinated ethylene propylene (FEP) is a copolymer of hexafluoropropylene and tetrafluoroethylene. It differs from the polytetrafluoroethylene (PTFE) resins in that it is melt-processable using conventional injection molding and screw extrusion techniques. Fluorinated ethylene propylene was invented by DuPont and is sold under the brandname Teflon FEP. Other brandnames are Neoflon FEP from Daikin or Dyneon FEP from Dyneon/3M.
Wood glue is an adhesive used to tightly bond pieces of wood together. Many substances have been used as glues. Traditionally animal proteins like casein from milk or collagen from animal hides and bones were boiled down to make early glues. They worked by solidifying as they dried. Later, glues were made from plant starches like flour or potato starch. When combined with water and heated, the starch gelatinizes and forms a sticky paste as it dries. Plant-based glues were common for books and paper products, though they can break down more easily over time compared to animal-based glues. Examples of modern wood glues include polyvinyl acetate (PVA) and epoxy resins. Some resins used in producing composite wood products may contain formaldehyde. As of 2021, “the wood panel industry uses almost 95% of synthetic petroleum-derived thermosetting adhesives, mainly based on urea, phenol, and melamine, among others”.
Pressure-sensitive adhesive is a type of nonreactive adhesive which forms a bond when pressure is applied to bond the adhesive with a surface. No solvent, water, or heat is needed to activate the adhesive. It is used in pressure-sensitive tapes, labels, glue dots, stickers, sticky note pads, automobile trim, and a wide variety of other products.
Redux is the generic name of a family of phenol–formaldehyde/polyvinyl–formal adhesives developed by Aero Research Limited (ARL) at Duxford, UK, in the 1940s, subsequently produced by Ciba (ARL). The brand name is now also used for a range of epoxy and bismaleimide adhesives manufactured by Hexcel. The name is a contraction of REsearch at DUXford.
Aero Research Limited (ARL) was a British company that pioneered several new adhesives, intended initially for the aeronautical industry.
Fiberglass sheet laminating is the process of taking a thin fiberglass sheet and laminating it to another material in order to provide strength and support to that material.
Aerolite is a urea-formaldehyde gap filling adhesive which is water- and heat-resistant. It is used in large quantities by the chipboard industry and also by wooden boat builders for its high strength and durability. It is also used in joinery, veneering and general woodwork assembly. Aerolite has also been used for wooden aircraft construction, and a properly made Aerolite joint is said to be three times stronger than spruce wood.
A thermoset polymer matrix is a synthetic polymer reinforcement where polymers act as binder or matrix to secure in place incorporated particulates, fibres or other reinforcements. They were first developed for structural applications, such as glass-reinforced plastic radar domes on aircraft and graphite-epoxy payload bay doors on the Space Shuttle.
Norman Adrian de Bruyne FRS was born in Punta Arenas Chile on 8 November 1904, and baptised on 19 March 1905 at the Anglican St. James Church, by the Rev. Edwin Aspinall. His father was Dutch and his mother English. He grew up in England, studied science at the University of Cambridge and became a physics researcher. Around 1930, he became interested in aviation. de Bruyne was the first student of the new flying school which Arthur Marshall established in Cambridge in 1931.
The pull-off test, also called stud pull test in which an adhesive connection is made between a stud and the carrier by using a glue, possibly an epoxy or polyester resin, that is stronger than the bond that needs to be tested. The force required to pull the stud from the surface, together with the carrier, is measured. Simple mechanical hand-operated loading equipment has been developed for this purpose. When higher accuracy is required, tests can be performed with more advanced equipment called a bond tester. A bond tester provides more control and possibly automation. Applying the glue automatically and curing with UV light is the next step in automation. This methodology can also be used to measure direct tensile strength or/and the bond strength between two different layers.
Adhesive bonding is a joining technique used in the manufacture and repair of a wide range of products. Along with welding and soldering, adhesive bonding is one of the basic joining processes. In this technique, components are bonded together using adhesives. The broad range of types of adhesives available allows numerous materials to be bonded together in products as diverse as vehicles, mobile phones, personal care products, buildings, computers and medical devices.
Akemi GmbH is a company in the chemical industry which is active worldwide. Its headquarters are in Nuremberg in Germany and its core competence is the manufacturing of two-component adhesive systems. The chemical-technical specialist factory manufactures adhesives, fillers as well as cleaning and care products for the natural stone sector. In addition, it produces fillers and repair materials, sealants, protective coatings, varnishes as well as cleaning and car care products for the automotive branch.
References
- ↑ "The History of Araldite®". www.go-araldite.com. Retrieved 2021-03-19.
- ↑ "Epoxy Chemistry - Understanding WEST SYSTEM Marine-Grade Epoxy". WEST SYSTEM. Retrieved 2021-03-19.
- ↑ Seymour, Raymond B. (April 1981). "History of the Development and Growth of Thermosetting Polymers". Journal of Macromolecular Science, Part A. 15 (6): 1165–1171. doi:10.1080/00222338108066459.
- ↑ Jones, Peter (2006). Ove Arup . Yale University Press. pp. 215, 248. ISBN 0-300-11296-3.
- ↑ Murray, Peter (2004). The Saga of Sydney Opera House. Taylor & Francis. p. 54. ISBN 0-415-32521-8.
- ↑ "Armour uses Araldite". The Engineer Online. 15 January 2000. Archived from the original on 12 September 2012.
- ↑ "Araldite Adhesive of Choice". EPPM Magazine. 5 (3). April 2003. Archived from the original on 2008-01-13.
- ↑ "In Style". Adhesives & Sealants Industry. 1 February 2008. Retrieved 2015-06-30.
- ↑ Hayat, M. A. (2000). Principles and Techniques of Electron Microscopy: Biological Applications. Cambridge University Press. p. 98. ISBN 0-521-63287-0.
- ↑ "Paco Peña, Desert Island Discs - BBC Radio 4". BBC.
- ↑ "Experts 2007". BBC.
- ↑ Images of original adverts
