知搜-全球专利检索

  1. 登录
  2. 注册
发明授权
CN101760989B 一种高不透明度、透气度和撕裂指数混合浆及其制备的文化用纸 有权 转让 质押

一种高不透明度、透气度和撕裂指数混合浆及其制备的文化用纸
摘要：
本发明涉及一种高不透明度、透气度和撕裂指数混合浆及其含有该混合浆的纸。所述的高效草浆透气度为300～6500ml/min，不透明度为88～100％，撕裂指数为3.5～6mN.m2/g；优选透气度为500～5500ml/min，不透明度为90～99％，撕裂指数为4.6～5.6mN.m2/g；更优选透气度为1000～5000ml/min，不透明度为94～98％，撕裂指数为4.8～5.4mN.m2/g。本发明所提供的混合浆的不透明度、撕裂指数和透气度较高，从而使其含有该混合浆的纸的不透明度提高，增加了纸的挺度等，透气度的提高使其抄纸速度大大提高。
摘要（英）：

The invention relates to mixed pulp with high opacity, air permeability and tearing index and paper with the mixed pulp. The air permeability of the high-efficient straw pulp is between 300 and 6500 ml/min, the opacity is between 88 to 100 percent, and the tearing index is between 3.5 and 6 mN*m<2>/g; preferably, the air permeability is between 500 and 5500 ml/min, the opacity is between 90 and 99 percent, and the tearing index is between 4.6 and 5.6 mN*m<2>/g; more preferably, the air permeability is between 1000 and 5000 ml/min, the opacity is between 94 and 98 percent, and the tearing index is between 4.8 and 5.4 mN*m<2>/g. The mixed pulp provided by the invention has high opacity, air permeability and tearing index, so the opacity of the paper with the mixed pulp is improved, and the stiffness and the like of the paper are improved. Because of the improvement of the air permeability, the papermaking speed is greatly improved.

公开/授权文献
0/0