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In contrast, pressure-sensitive adhesives (PSAs) form a bond simply by the application of light pressure to marry the adhesive with the adherend. Pressure-sensitive adhesives are designed with a balance between flow and resistance to flow. The bond forms because the adhesive is soft enough to flow, or wet, the adherend.
In 1977, the production of starch- and cellulose adhesives commenced and in 1990, these were followed by the first protein-based label adhesive. [4] Coca-Cola Deutschland, which was then based in Essen asked cph in 1990, to develop a special label adhesive for PET bottles. At this time the name of the company was changed to cph Deutschland GmbH.
The high tack material comprises about 95% of the adhesive and provides the majority of the adhesive's tackiness. [6] In addition to these 2 components, surfactants are often added to reduce the surface energy of the adhesive and facilitate adhesion to high surface energy substrates (metals, other polymeric materials). [ 11 ]
DELO Industrie Klebstoffe GmbH & Co. KGaA (inherent spelling: DELO; international brand name: DELO Industrial Adhesives) is a leading manufacturer of industrial adhesives and equipment for dispensing as well as curing adhesives. The company has its headquarters in Windach near Munich, Germany, and employs 780 people.
Tackifiers are chemical compounds used in formulating adhesives to increase tack, the stickiness of the surface of the adhesive. [1] They are usually low-molecular weight compounds with high glass transition temperature. At low strain rate, they provide higher stress compliance [clarification needed], and become stiffer at higher strain rates.
Henkel AG & Co. KGaA, commonly known as Henkel, is a German multinational chemical and consumer goods company headquartered in Düsseldorf, Germany.Founded in 1876, the DAX company is organized into two globally operating business units (Consumer Brands, Adhesive Technologies) and is known for brands such as Loctite, Persil, [2] Fa, Pritt, Dial and Purex.
Silicones are usually very thick (high viscosity), and must be vacuum degassed prior to pouring, to minimize bubble entrapment. If making a brush-on rubber mold, the curing time factor between coats is long (longer than urethanes or polysulfides, shorter than latex). Silicone components (A+B) must be mixed accurately by weight (scale required ...
Bostik products are also used in the packaging industry [11] and advanced packaging, as well as in the assembly sector and disposable hygiene products. [12] Bostik is also for the General Public with preparation, assembly and repair products as well as a range of adhesives and glues, stationery and artisanar for DIY and hobby (including Blu Tack).