POLYPROPYLEN-LEICHTFOLIE UND VERFAHREN ZU DEREN HERSTELLUNG.
摘要
<p>A thermoformable, rigid or semi-rigid polypropylene foam sheet having a smooth surface and a uniform cell structure and a density of at least 2.5 lbs/ft3 is prepared by extruding a mixture of a nucleating agent, a physical blowing agent and a polypropylene resin having a high melt strength and high melt elasticity.</p>
申请公布号
DE69109860(D1)
申请公布日期
1995.06.22
申请号
DE1991609860
申请日期
1991.03.13
申请人
JAMES RIVER CORP., RICHMOND, VA., US
发明人
GAYLORD, NORMAN, G., NEW PROVIDENCE, NJ 07974, US;KATZ, LEON, STAMFORD, CT 06903, US;PARK, JOHN, P., NEENAH, WI 54956, US
