特用化學品

VYLONAL MD-1480 is a waterbased, high molecular weight copolyesters. VYLONAL MD-1480 series have a Low Tg, are 100% solvent free and have Good adhesion strength on PET. VYLONAL MD-1480 series are compliant with FDA 175.105 and EC 10/2011.

ROSKYDAL E 70 is a flexibilising resin for wax-free polyesters, UV-curing styrene systems and spray, roller and knifing fillers. Even in a ratio of 6 : 4, clear or pigmented combinations of ROSKYDAL 500 A and ROSKYDAL E 70 have excellent scratch resistance and gloss. This mixing ratio yields highly flexible coatings and improves the polishability of films based on ROSKYDAL 500 A. ROSKYDAL E 70 is also suitable for use as a flexibilizer in photo-polymerizing ROSKYDAL systems and in clear coats, roller primers and highly filled roller fillers based on ROSKYDAL 300/1. ROSKYDAL E 70 is a highly effective flexibilizer. The systems to which it is added are easier to sand because they abrade more readily. Adding larger amounts of ROSKYDAL E 70 to spray fillers based on wax-free polyesters such as ROSKYDAL 500 A or 620 yields excellent adhesion on medium-density fiberboard, metal car body components and some plastics. ROSKYDAL E 70 can also be used to flexibilize amine-accelerated grades such as ROSKYDAL K 14 M, K 36 and K 40 T.

ROSKYDAL K 27 LV is a binder for highly filled knifing fillers and stoppers for marble and stone. Fillers based on ROSKYDAL K 27 LV cure fully whether applied in thin or thick coats. They are used in applications requiring hard adhesives and fillers. Formulation Combinations of talc, dolomite/calcite and powdered barytes with low iron content have proved suitable as extenders, with talc as the main component because it improves the adhesion to the substrate. The more spherical extenders such as dolomite, chalk and barytes ensure dense packing.

ROSKYDAL® 502 BA is a formulation of clear and pigmented, monomer-free coatings for applying thin finishes to wood and furniture. The coatings can be cured by conventional methods or UV radiation and have good resistance to solvents and other chemicals and yellowing in both light and dark conditions. ROSKYDAL® 502 BA permits the formulation of monomer-free coatings for applying thin finishes to wood and furniture. The application rate should not exceed 100 g/m2. The coatings can be cured by conventional methods or, after addition of photo-initiators, by UV radiation. The resultant films are hard and resistant to scratching, to solvents and other chemicals and to yellowing in both light and dark conditions. The requirements of, for example, DIN 68 861, Group B, are thus satisfied. The drying of the coatings can be accelerated by the addition of nitrocellulose. Inadequate compatibility with cellulose acetobutyrate results in clouding of the film. Coatings based on ROSKYDAL® 502 BA can be applied using conventional methods, e.g. spraying, roller coating or curtain coating. Conventional curing: curing by conventional methods requires the addition of a cobalt accelerator (e.g. cobalt octoate) and peroxide. For curing at room temperature or temperatures up to approx. 60 °C we recommend the use of cyclohexanone peroxide. Tertiary butyl peroctoate should be used at higher curing temperatures because it results in a longer pot life. Even small amounts of styrenewill significantly reduce the pot life of a coating containing cobalt/peroxide.