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1. 发明申请

WO1991001212A1 PROCESS FOR THE PRODUCTION OF CELLULAR PLASTIC 审中-公开
标题翻译：生产细胞塑料的方法
公开(公告)号：WO1991001212A1
公开(公告)日：1991-02-07
申请号：PCT/NO1990000118
申请日：1990-07-16
申请人： SCANDINOR A/S , SPYDEVOLD, Baard
发明人： SCANDINOR A/S
IPC分类号： B29C67/20
CPC分类号： B29C47/126 , B29C44/3442 , B29C47/0009 , B29C47/788 , B29C47/86 , B29C47/864 , B29C47/8805 , B29C47/90 , B29C47/904
摘要： A process for the continuous or semi-continuous production of cellular plastic material from a plastic compound containing a blowing agent and, optionally, other process-regulative substances and additives, comprising: (a) feeding of the raw materials to a plastic processing machine; (b) kneading of the raw materials in the plastic processing machine under conditions of temperature and pressure which will produce an expanding compound upon release of pressure alone; (c) transfer of the plastic compound directly to a cooling zone; (d) cooling of the compound in the cooling zone to a continuous stock having high viscosity and rigidity and an approximately flat velocity profile under pressure formed by an upstream-directed pressure component; (e) optionally, stepless transfer to a braking-retaining zone; (f) build-up of the upstream-directed pressure component until the pressure in the plastic mass in the upstream located zones is sufficient to prevent expansion of the plastic compound; (g) control to expand the compound to the desired density after transfer to a heating/expansion/forming zone.
摘要翻译：一种由含有发泡剂和任选的其它过程调节性物质和添加剂的塑料化合物连续或半连续生产多孔塑料材料的方法，包括：（a）将原料进料到塑料加工机器; （b）在温度和压力的条件下在塑料加工机中捏合原料，该压力将在释放压力时产生膨胀化合物; （c）将塑料化合物直接转移至冷却区; （d）将冷却区中的化合物冷却至具有高粘度和刚性的连续坯料以及由上游定向压力组分形成的压力下的近似平坦的速度分布; （e）可选地，无级转移到制动保持区; （f）上游定向压力部件的积聚直到上游定位区域内的塑料质量的压力足以防止塑料化合物膨胀; （g）在转移到加热/膨胀/形成区之后控制将化合物膨胀至所需的密度。

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