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EXPANDABLE BEADS BASED ON A POLYMER OF A VINYLAROMEXPANDABLE BEADS BASED ON A POLYMER OF A VINYLAROMATIC COMPOUND CONTAINING BLOWING AGENT AND PLASTICATIC COMPOUND CONTAINING BLOWING AGENT AND PLASTICIZER IZER
EXPANDABLE BEADS BASED ON A POLYMER OF A VINYLAROMEXPANDABLE BEADS BASED ON A POLYMER OF A VINYLAROMATIC COMPOUND CONTAINING BLOWING AGENT AND PLASTICATIC COMPOUND CONTAINING BLOWING AGENT AND PLASTICIZER IZER
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机译:含弹剂的弹塑性复合体含吹塑剂的弹塑性复合体含吹塑剂和塑化剂的塑性体
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摘要
The present invention relates to expandable beads based on a polymer of a vinylaromatic compound containing a blowing agent and, in an amount of 0.1 up to 2% wt, preferably 0.3 up to 1.5% wt calculated on the beads, of a plasticizer that is based on oligomers of styrene and/or alpha-methylstyrene having a number-average molecular weight (Mn) in the range of 200 to 500, preferably of 260 to 460; and a process for preparing these expandable beads.
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