Lanxess’ new blocked, one com­po­nent ure­thane sys­tems for large or com­plex elas­tomeric parts

Chemical Industry Digest - - News & Views -

Lanxess an­nounced new blocked prod­ucts for cast elas­tomers. Mar­keted un­der the brand name Adiprene K the blocked sys­tems are based on LANXESS’s lead­ing Low Free ( LF) iso­cyanate tech­nol­ogy. They of­fer three key ben­e­fits: Im­proved in­dus­trial hy­giene, con­trolled cur­ing and ex­cel­lent per­for­mance for broader range of ap­pli­ca­tions.

Adiprene K blocked sys­tems have in­her­ently good in­dus­trial hy­giene, due to the in­cor­po­ra­tion of low haz­ard in­gre­di­ents and the block­ing of al­ready low lev­els of resid­ual iso­cyanate. As a one-com­po­nent sys­tem, work­ers do not have to han­dle a sep­a­rate cu­ra­tive, im­prov­ing pro­duc­tiv­ity and worker safety.

Adiprene K blocked sys­tems are avail­able as fully-for­mu­lated re­ac­tive sys­tems. Cur­ing of th­ese pre­poly­mers is trig­gered at a pre­cisely de­fined tem­per­a­ture re­sult­ing in a con­trolled cure. “With th­ese sys­tems, we are tar­get­ing large and com­plex parts and man­ual pro­cess­ing, which is used for very low vol­ume pro­duc­tion,” says Eck­ert. Po­ten­tial ap­pli­ca­tions in­clude the im­preg­na­tion of fab­ric belts, the coat­ing of in­dus­trial rollers, and ex­tremely large parts for the in­dus­trial, min­ing and oil and gas in­dus­tries. Th­ese blocked sys­tems also ex­tend the use of ure­thane pre­poly­mers into ro­ta­tional mold­ing and liq­uid in­jec­tion mold­ing ap­pli­ca­tions.

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