纸吸管原纸制备工艺研究.

The paper straw base paper was prepared from bleached softwood pulp and hardwood pulp, and the optimum preparation technology was determined by studying the influence of size ratio, wet strength agent and sizing agent dosage on the general performance index of the base paper. The safety of paper straw base paper was measured by measuring the content of warm water extract. The results showed that the best ratio of raw materials for lining paper and face paper is 30 : 70 and 40 : 60(softwood : hardwood)，the dosage range of wet strength agent for lining paper and face paper is 0. 50% 〜0. 75% and 0. 75 % 〜1. 00% respectively，and the dosage range of sizing agent is 0. 25% 〜0. 30%. Under this condition， the base paper has betterwet strength，tensile strength，absorption，etc. When the dosage of APMP is 30% ,the stiffness of lining paper and face paper increased by 3. 51% and 2.23%, respectively. The water extraction content of lining paper and face paper is only 0. 218% and 0. 206 % respectively, which satisfied the safety of pipette base paper. [ABSTRACT FROM AUTHOR]