Prepare an extruded polymeric foam by extruding a foamable polymer composition through a foaming die and allowing the foamable polymer composition to expand into a polymer foam as it travels through and is constrained in its thickness dimension by at least two constraining sections, the first having opposing essentially parallel forming plates and the second constraining section having forming plates spaced further apart than the first constraining section.
申请公布号
WO2010101747(A3)
申请公布日期
2011.02.24
申请号
WO2010US25187
申请日期
2010.02.24
申请人
DOW GLOBAL TECHNOLOGIES LLC;WURTZ, BERTRAND;VO, VAN-CHAU