(1) Beating treatment: After the long fiber wood pulp a […]
(1) Beating treatment: After the long fiber wood pulp and the short fiber chemical mechanical wood pulp are fully mixed, they are put into a hydraulic pulper and water is added for mixing and disintegration treatment. After disintegration treatment for 10 minutes, chemical fibers are added to continue pulping for 5 minutes. Then put it into the pre-refining slurry tank, and perform slight beating through two double-disc refiners in series, the beating concentration is 3.0%-3.5%, the beating degree is 15~20°SR, the wet weight is 10~15g, and the beating is completed. Pulp, and then output the pulp to the mixing tank.
(2) Add wet strength agent: Add wet strength agent to the pulp in the mixing tank, and stir evenly.
(3) Papermaking processing: The pulp in the pulping tank is made into base paper using a Fourdrinier paper machine or a cylinder paper machine. …
(4) Coating treatment: the finished base paper is dip coated with coated latex, the coating concentration is 25%-30%, and the coating machine speed is 110m/min.
(5) Drying: The coated base paper is dried in a suspension oven and dried in a drying cylinder in sequence. During drying, the temperature of the suspension oven is 120-140℃, and the temperature of the drying cylinder is 90-110℃.
(6) Calender slitting: The coated base paper is then subjected to multi-roll calendering treatment, and finally the finished masking paper base paper is obtained by slitting. The fiber length of softwood bleached pulp is 2-3.5mm, and the fiber length of short fiber chemical mechanical wood pulp is 0.8~1.1mm.
Masking tape base paper and its production method, the raw materials include long fiber wood pulp, short fiber chemical mechanical wood pulp and chemical fiber. Combining long fiber wood pulp and short fiber chemical mechanical wood pulp, long fibers can solve the problem of insufficient short fibers, and short fibers can solve the problem of long fibers fragile, thereby solving the problem of low strength and tear resistance of Micron paper base paper The problem of poor performance makes the Micron Paper base paper produced with high strength and strong tear resistance. The addition of chemical fibers enables long fibers and short fibers to strengthen the bonding ability, tighten the tightness, make the combination of long fibers and short fibers better, and improve their adhesion. The three are combined with each other to increase the service life of Micron paper base paper and enhance In addition to its tear resistance, it can also improve the adhesive absorption, ensure the uniformity of the coated latex, improve the color effect, and ensure that the peeling will not leave residual glue and is not easy to age. Adding a wet strength agent to the raw material is mainly to improve the wet strength effect. The prepared Micron paper base paper can have excellent dry and wet strength and delamination resistance, which can meet the strength requirements of subsequent processing and actual use.
Taizhou Rose Paper Co.,Ltd. is Masking Tape Paper Manufacturers