Etpu Mat Patent

The glass mat thermoplastic can be prepared for example by a contacting a continuous glass mat with etpu film or sheet or between etpu films or sheets with sufficient pressure and heat to form a multilayered.

Etpu mat patent.

The present invention provides a glass mat thermoplastic comprising a glass mat impregnated with an engineering thermoplastic polyurethane etpu having a t g of at least 50 c. A process for forming a shaped three dimensional article comprising the steps of deforming an intermediate form 10 including a plurality of thermoplastic elongated members that are initially movable relative to each other while displaceably clamping the intermediate form during the deforming in such a way that while a force is applied for deforming the intermediate form the. The present invention provides a glass mat thermoplastic comprising a glass mat impregnated with an engineering thermoplastic polyurethane etpu having a t g of at least 50 c. The glass mat thermoplastic can be prepared for example by a contacting a continuous glass mat with etpu film or sheet or between etpu films or sheets with sufficient pressure and heat to form a multilayered structure which contains a wetted out glass mat layer sandwiched between an etpu layer and a glass mat layer b thermoforming or compression molding the multilayered structure with.

Furthermore the etpu particles comprising 61 2 parts by mass of polytetrahydrofuran having an average molecular weight mw of 1000 g mol 31 8 parts by mass of diphenylmethane 4 4 diisocyanate having a total nco content of 33 6 parts by mass 6 parts by mass of 1 4 butanediol having a hydroxyl number of 1245 mg g and also 0 1 part by mass of uv stabilizer corresponding to their total.