Development of new adhesive additives for solvent based printing inks
(PresseBox) - The printing on polyolefin materials has always been a challenge. If separate methods for raising the surface tension such as flame treatment, corona or plasma treatment cannot be applied, it is necessary to add adhesive additives to the printing inks to obtain adequate adhesion with the polyolefin.
TRAMACO?s portfolio offers highly efficient adhesion promoters, which are extensively used by the automotive industry for varnish applications. Xylol, the standard solvent for TRAPYLEN
Solvent based printing inks generally are BTX-free and therefore difficult for many CPO applications. TRAPYLENg inks.
It is an important development objective of new adhesion promoter systems to improve the adhesion for polyolefin materials. This may be reached by lowering the chlorine content of CPOs. But a declining chlorine content causes continued reduction of solubility of a CPO in esters and ketones ? thus the development of new products for printing inks is a great challenge.
Another product of TRAMACO with good solubility in esters and ketones for printing ink applications is TRAPYLEN
This is the very reason for the importance of the further development of CPOs with even lower chlorine content to realize better adhesion on difficult substrates. Products with higher molecular weight are of the same importance to improve the resistance to chemicals ? on the assumption that the solubility in esters and ketones will not deteriorate.
Other products with a chlorine content of approx. 30 % and a molecular weight of about 100,000 g/mol even show promising results.
TRAMACO?s aqueous adhesion promoters are used for aqueous printing inks. These adhesive additives can be added directly to an aqueous printing ink due to the good compatibility.
TRAMACO GmbH is a company which produces and supplies chemical foaming agents, primers and additives for the plastic, rubber and coatings industry. An extensive product range comprises established branded products manufactured by TRAMACO like TRACELomers'' service during the entire business transaction, from the initial contact to the execution of the order. The qualified consulting concerning technical applications and the development of customised formulas complete TRAMACO''s portfolio, making the company a competent and reliable partner for the industry.
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TRAMACO GmbH is a company which produces and supplies chemical foaming agents, primers and additives for the plastic, rubber and coatings industry. An extensive product range comprises established branded products manufactured by TRAMACO like TRACEL®, TRAPUR®, TRAPYLEN®, basic raw materials from strong suppliers and customised products for applications in various industrial sectors. Since its foundation in 1973 TRAMACO GmbH has built up a global distribution and sales network and continues to develop dynamically. A motivated team is at customers'' service during the entire business transaction, from the initial contact to the execution of the order. The qualified consulting concerning technical applications and the development of customised formulas complete TRAMACO''s portfolio, making the company a competent and reliable partner for the industry.
Datum: 04.05.2021 - 08:59 Uhr
Sprache: Deutsch
News-ID 1566779
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Pharmaceuticals & Biotech
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