Paper for high-filler culture and production method thereof

Abstract

The invention provides paper for high-filler culture and a production method thereof. The method comprises the following steps of: beating and dispersing 25 to 60 weight parts of wood pulp, and then mixing the wood pulp and 40 to 75 weight parts of calcium silicate filler to obtain paper pulp; diluting the paper pulp by adding water to obtain mixed pulp A, wherein the paper pulp accounts for 5 to12 mass percent of the mixed pulp A; beating the mixed pulp A, and diluting the beaten pulp by adding water to obtain mixed pulp B, wherein the paper pulp accounts for 3 to 7 mass percent of the mixed pulp B; removing residue from the mixed pulp B, and then adding a reinforcing agent, a dispersant and a retention and filtration aid to obtain mixed pulp C; diluting the mixed pulp C by adding waterto obtain mixed pulp D, wherein the paper pulp accounts for 0.3 to 4 mass percent of the mixed pulp D; and manufacturing the paper for the culture with the mixed pulp D by using a papermaking machine. The paper for the high-filler culture solves the problem of low filler adding amount in the prior art.

Description

technical field [0001] The invention belongs to the technical field of papermaking, and in particular relates to a cultural paper with high filler and a production method thereof. Background technique [0002] Currently commonly used cultural paper is mainly made of a large amount of plant fiber pulp, and then 10% to 20% of mineral fillers such as calcium carbonate or talcum powder and a small amount of chemical additives are added. However, with the environmental pollution caused by the pulping process and the large consumption of plant raw materials, large water consumption, and large energy consumption, it is necessary to consider a papermaking process that reduces the amount of plant fiber but must ensure the performance of the paper itself. [0003] At present, there is a product called stone paper, which is made by mixing calcium carbonate powder and plastic to form a film. This method uses 50% to 80% calcium carbonate powder with a particle size of 800 mesh to 1200 me...

AI Technical Summary

Problems solved by technology

The quality of this kind of stone paper is very different from that of commonly used paper. It mainly has problems such as refractory degradation, difficult printing, small use area (large weight), and difficult recycling, which does not meet the requirements of cultural paper.

Can't realize the production of high filler cultural paper in the prior art thus