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.

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. Thermoplastic polyurethane tpu is any of a class of polyurethane plastics with many properties including elasticity transparency and resistance to oil grease and abrasion technically they are thermoplastic elastomers consisting of linear segmented block copolymers composed of hard and soft segments. 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.

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.