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专利名称：Process for the preparation of expandable
polyvinylarene particles
发明人：Michel Florentine Jozef Berghmans,Karel
Cornelis Bleijenberg,Alphonsus CatharinaGerardus Metsaars
申请号：US09786792申请日：20010822公开号：US06573306B1公开日：20030603
摘要：Process for the preparation of expandable polyvinylarene particles in whichcompact polyvinylarene particles are impregnated by an inorganic N- and/or O-containing gas at a temperature below 95° C. and at a pressure of 100 to 2,000 kPagauge.
申请人：NOVA CHEMICAL (INTERNATIONAL) S.A.
代理人：Suzanne Kikel
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