Modification of rosin, preparation and selection of rosin emulsifier and rosin precipitating agent were introduced in this paper, so that the rosin sizing agent can be used under neutral condition.

综述分散松香胶在中性条件下施胶中松香改性、松香乳化剂、松香助留剂的制备和选择。

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Hexadecylketene dimer is added to paper stock under neutral or alkaline medium to achieve its sizing effect.

它可在中性或弱碱性的条件下应用，能够增加纸的强度和耐久性能。

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As an important group of paper chemicals, internal sizing agents can mainly be divided into two dispensable groups comprising acidic sizing agents and neutral-to-alkaline sizing agents.

造纸施胶剂是一种十分重要的造纸助剂，可主要分为浆内施胶剂与表面施胶剂两大类。

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