摘要
综述了生产热塑性酚醛树脂覆膜砂的原材料 ,混砂工艺 ,再生砂和理论进展等 ,并提出今后覆膜砂的发展方向。
The present situation and the recent progress of novolak type phenolic resin coated sand used for shell moulding were reviewed,including raw material,mixing method,reclaimed resin coated sand and theoretic progress. The developing tendency was also discussed in this paper.
出处
《高分子通报》
CAS
CSCD
2004年第3期99-105,共7页
Polymer Bulletin
