By using property of separating out water at high temperature for polyvinyl alcohol formaldehyde solution, kaolin and light calcium carbonate can be directly added, and technique is simplified.
在制备方法上利用聚乙烯醇缩甲醛溶液高温析水的性质，直接加入高岭土、轻质碳酸钙制胶，简化了工艺。
Said cup liner features light weight, low cost and capable of substituting for kaolin to make the liner of the thermal insulation cup.
且具有质轻，成本低，可以替代陶土材料制造保温杯胆的特点。
Said cup liner features light weight, low cost and capable of substituting for kaolin to make the liner of the thermal insulation cup.
且具有质轻，成本低，可以替代陶土材料制造保温杯胆的特点。
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