Production method of high-performance latex paper

Abstract

The invention discloses a method for producing latex paper by using a circular-net multi-cylinder paper machine. 50 to 60 percent of bleached sulfate soft wood pulp, 35 to 45 percent of non-bleached sulfate soft wood pulp and 5 percent of manmade fiber are adopted, and the following technology is used at the same time so as to make the product better: defibrinating by using a previous-low-concentration fiberizer and a rear-middle-concentration fiberizer so that the beating degree is higher and the length of the fiber can be retained to the maximum extent, and the body paper has higher tensilestrength and flexibility and is hard to break during use; besides the two different soft wood pulps, a certain amount of manmade fiber is added into the fiber raw material, so that the strength and the anti-abrasion performance of latex paper are enhanced; the body paper subjected to dipping treatment according to an optimized latex formula has higher strength and water, oil and high temperature resistance performance; a specific surface coating and back coating mode is performed on the dipped body paper, so the tensile strength, the bending resistance and the liquid resistance of the finished paper are enhanced; meanwhile, the latex paper is softer and durable, and higher in the surface strength.

Description

technical field

[0001] The invention relates to the field of special paper production, in particular to a production method of high-performance latex paper. Background technique

[0002] Latex paper, also known as high-quality water-resistant sandpaper base paper, is the base material of high-performance latex sandpaper. After the base material is bonded with abrasive grains with adhesive, it is used for grinding and polishing the surface of various objects.

[0003] At present, the latex paper produced in China generally has problems such as poor wear resistance, water resistance, high temperature resistance, solvent resistance, and low surface smoothness and dimensional stability of the paper, which cannot meet the actual use requirements; while domestic production of high-grade sandpaper uses All latex paper is imported from developed countries. Although the quality meets the requirements, the cost is relatively high. CN101182694A discloses a kind of production method of...