Ester cured alkaline phenolic resin, which is synthesized by alkaline phenolic resin and organic ester, is a new type of binder used for molding and core making.
酯固化碱性酚醛树脂是一种新型的造型、制芯工艺，这种粘结剂体系由碱性酚醛树脂和有机酯两部分组成。
The penetration length of the core melt in sandwich injection molding was investigated by changing the viscosities of melts and process parameters.
以揭示材料粘度以及工艺参数对夹芯注塑成型过程中芯层熔体穿透深度的影响规律。
The melt front breakthrough of the core is the main cause of forming waster in the co-injection molding.
在塑料共注成型中，芯层熔体前沿突破是导致废品的主要原因，其成型机理至今尚未弄清。
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