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Dyed foamable polystyrene beads prepn. - comprises heating slurry of undyed foamable polymer beads and water with alcohol-soluble dye
Dyed foamable polystyrene beads prepn. - comprises heating slurry of undyed foamable polymer beads and water with alcohol-soluble dye
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机译:染色的可发泡聚苯乙烯珠粒制备。 -包括将未染色的可发泡聚合物珠粒和水与醇溶性染料加热的浆液
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摘要
Foamable, undyed polystyrene beads are charged to a vessel with sufficient water to form an aq. bead slurry and with an alcohol-soluble dye. The vessel content is heated to =50 degrees C, then cooled, and the ready-to-foam, dyed polymer beads are finally sepd. from the remaining content of vessel. Gelling of vessel contents is prevented. Dye penetration is even.
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