Contact type comprehensive protective agent for paper cultural relics as well as preparation method and application thereof

The invention discloses a contact type comprehensive protective agent for paper cultural relics. The contact type comprehensive protective agent for the paper cultural relics is selected from pimaricin and/or polyhexamethylene biguanide hydrochloride. The paper treated by the comprehensive protective agent is subjected to safety performance detection, the comprehensive protective agent compounded by the pimaricin and the polyhexamethylene biguanide hydrochloride has no obvious influence on the tension of the paper and has obvious deacidification and anti-aging effects, the maximum value of delta E of the treated paper does not exceed 1.5, and a practical basis is provided for developing safe and efficient paper cultural relic protection. 本发明公开接触型纸质文物综合保护剂。所述接触型纸质文物综合保护剂选自匹马霉素和/或聚六亚甲基双胍盐酸盐。经过本发明的综合保护剂处理的纸张，经过对纸张进行安全性能检测，匹马霉素和聚六亚甲基双胍盐酸盐复配组合的综合保护剂对纸张拉力无显著影响，有显著的脱酸和抗老化效果，对处理后纸张ΔE最大值不超过1.5，为研制安全高效的纸质文物保护提供实践基础。