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发明公开
CN107459867A 一种超高固含量低粘度的水性聚氨酯复合油墨 有权

一种超高固含量低粘度的水性聚氨酯复合油墨
摘要：
本发明提供一种超高固含量低粘度的水性聚氨酯复合油墨，按重量份计，其包括以下A组分和B组分，其中所述A组分包括：水性丙烯酸树脂2-8份，N-甲基-2-吡咯烷酮5-8份，金红石钛白粉40-50份，pH调节剂0.2-0.8份，降粘剂0.1-0.3份，高岭土0.2-0.8份，乙醇1-5份，水8-15份；其中所述B组分包括：水性聚氨酯树脂20-40份，纳米粒子0.1-0.3份，流变助剂0.1-0.5份，乙醇0.5-1.5份，水5-8份；其中所述水性丙烯酸树脂为阴离子型水性丙烯酸树脂。本发明的油墨具有更高的固含量、更低的粘度，更好的油墨印刷适性和印刷稳定性。
摘要（英）：

The invention provides a waterborne polyurethane compound printing ink with ultra-high solid content and low viscosity. The printing ink comprises a component A and a component B, wherein the component A comprises the following ingredients in parts by weight: 2-8 parts of waterborne acrylic resin, 5-8 parts of N-methyl-2-pyrrolidone, 40-50 parts of Rutile titanium dioxide, 0.2-0.8 part of a pH regulator, 0.1-0.3 part of a viscosity reducer, 0.2-0.8 part of kaolin, 1-5 parts of ethanol and 8-15 parts of water; the component B comprises the following ingredients in parts by weight: 20-40 parts of waterborne acrylic resin, 0.1-0.3 part of nano-particles, 0.1-0.5 part of a rheological additive, 0.5-1.5 part of ethanol and 5-8 parts of water; the waterborne acrylic resin is anionic waterborne acrylic resin. The printing ink provided by the invention has higher solid content, lower viscosity and better printing oink printability and printing stability.

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