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利用阳离子分散松香胶分别对纤维素纤维和粉煤灰纤维进行浸渍处理后,研究纤维的疏水处理对纸张抗水性和强度的影响。结果表明,粉煤灰纤维与植物纤维配抄的纸张经阳离子分散松香胶浸渍前后的施胶度均随粉煤灰纤维加入量的增加而降低,但纸张接触角随着改性纤维加入量的增加而提高,且纸张反面接触角要高于正面。松香胶浸渍粉煤灰纤维配抄纸张的施胶度要远远大于松香胶浸渍植物纤维所抄纸张的施胶度及相应未浸渍纸张的施胶度。随着松香胶浸渍植物纤维和粉煤灰纤维及未浸渍粉煤灰纤维加入量的增加,所抄纸张的抗张强度都会减小,并且浸渍植物纤维的抗张强度要高于浸渍粉煤灰纤维和未改性粉煤灰纤维所抄纸张的抗张强度。
The effects of hydrophobic treatment of fibers on the water resistance and strength of paper were studied by impregnating cellulose fibers and fly ash fibers respectively with cationic dispersion rosin gum. The results showed that the sizing degree of paper with fly ash fiber and plant fiber before and after impregnated with cationic dispersant rosin decreased with the addition of fly ash fiber. However, the contact angle of paper with the addition of modified fiber Increase and increase, and the reverse side of the paper contact angle is higher than the front. The sizing degree of rosin-impregnated fly ash fiber with paper is much larger than the sizing degree of rosin-impregnated plant fiber and the corresponding un-impregnated paper. With the rosin-impregnated plant fiber and fly ash fiber and un-impregnated fly ash increased fiber loading, the paper tensile strength will be reduced, and the tensile strength of the impregnated plant fiber is higher than that of impregnated fly ash Tensile strength of paper made from fibers and unmodified fly ash fibers.