发明名称 |
POLYSTYRENE FOAM EXTRUSION |
摘要 |
This invention relates to a process for producing economically shaped article of polystyrene foam with a small wall thickness and sufficient strength by a continuous simple operation including a short forming cycle in which the sheet of polystyrene foam having a bulk density of 0.15 to 0.7 g/cm3, a thickness of 0.3 to 1.0 mm, 5 to 20 cell membranes widthwise of the sheet and a draw ratio of up to 1.25 and containing 0.03 to 0.3 mole/kg of the residual gas of the blowing agent is formed by an extruder and utilized to produce the shaped article. |
申请公布号 |
AU548484(B2) |
申请公布日期 |
1985.12.12 |
申请号 |
AU19810079016 |
申请日期 |
1981.12.24 |
申请人 |
SEKISUI KASEIHIN KOGYO K.K. |
发明人 |
NOBUYUKI KOMATSUZAKI;MASAHIRO TSUBONE;BON MACHIDA |
分类号 |
C08J9/12;B29C44/50;B29C44/56;B29C51/00;B65D81/00;B65D81/113;C08J9/00;C08J9/14 |
主分类号 |
C08J9/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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