초록 ▼

Disclosed is an extruded, open-cell microcellular alkenyl aromatic polymer foam useful in insulating applications. The foam has an open cell content of about 70 percent or more. The foam has an average cell size of about 70 micrometers or less. The foam is particularly useful in evacuated or vacuum

Disclosed is an extruded, open-cell microcellular alkenyl aromatic polymer foam useful in insulating applications. The foam has an open cell content of about 70 percent or more. The foam has an average cell size of about 70 micrometers or less. The foam is particularly useful in evacuated or vacuum insulation panels. Further disclosed is a process for making the open-cell foam. Further disclosed is a fabricated foam article.

대표청구항 ▼

[ What is claimed is:] [1.] An extruded, open-cell microcellular alkenyl aromatic polymer foam, comprising: an alkenyl aromatic polymer material comprising greater than 50 percent by weight of alkenyl aromatic monomeric units, the foam having an open cell content of about 70 percent or more, the foa

[ What is claimed is:] [1.] An extruded, open-cell microcellular alkenyl aromatic polymer foam, comprising: an alkenyl aromatic polymer material comprising greater than 50 percent by weight of alkenyl aromatic monomeric units, the foam having an open cell content of about 70 percent or more, the foam having an average cell size of about 70 micrometers or less and the foam having a thickness of 0.95 centimeters or more.