Method for producing syntactic polyurethane

Details Method for producing syntactic polyurethane Method for producing syntactic polyurethane

2005-10-18

2005-10-18

Ortiz, Angela (Department: 1732)

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

C264S054000, C264S240000, C264S260000

Reexamination Certificate

active

06955778

ABSTRACT:
Syntactic polyurethanes are prepared by mixing hollow microspheres with polyurethanes by a process in which, in a first step, the polyurethane system components are reacted and, in a second step, the feeding of the hollow microspheres is effected in a mixing apparatus, the mixing apparatus being free of dead space and comprisingi) a mixing pot,ii) a feed for polyurethane,iii) a feed for hollow microspheres,iv) a stirring element andv) an outlet orifice.

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