Desmophen® 1700 is a branched, solvent-free saturated polyester resin normally only used as a plasticizing resin with other polyesters. It is soluble in aromatic hydrocarbons and has no solubility in aliphatic hydrocarbons. This product has an equivalent weight of approx. 1310, a viscosity at 23°C of 17,500 ± 2,500 mPa·s, and a pour point of approx. -5°C.
Combinations of Desmophen® 1700 with various polyisocyanates yield highly flexible coatings. For this reason, the product is normally used as the flexibilizing component in combination with other Desmophen® grades. In certain combinations, e.g. with Desmophen® 800, the addition of Desmophen® 1700 increases the toughness and resistance to wear and abrasion of the paint films. Such combinations can be used to coat furniture, floors and parquet.
Covestro (formerly Bayer MaterialScience) manufactures adhesive raw materials for use in the production of contact and heat-activated adhesives, as well as reactive and hot-melt adhesives for the transportation, furniture, footwear, packaging, and construction markets. Bayer offers a comprehensive range based on polyurethane and polychloroprene, with specialty raw materials that offer UV light and weather resistance.
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