Slats serving as protection against light
AssigneeHoechst Aktiengesellschaft
InventorsJoachim Gotting, Heiner Zimmermann
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Abstract
Slats made from linear synthetic polyester fibers, which serve as protection against light, characterized in that they consist of shrunk flat textile structures that have been stiffened permanently by plastification.
Claims6
Slat means for protecting against light comprising a textile slat made from linear synthetic polyester fibers, said slat being stiffened permanently by heat shrinkage and containing a flame-retarding agent which consists of said polyester containing chain members having structural units of the formula ##STR2## in which R is saturated, open-chain or cyclic alkylene, arylene or aralkylene and R.sub.1 is alkyl with up to 6 carbon atoms, aryl or aralkyl, that have been incorporated into the polyester chains by condensation.
Dependencies are inferred from the claim text.