Cultural paper surface sizing agent

Abstract

The invention discloses a cultural paper surface sizing agent. The raw material of the cultural paper surface sizing agent comprises the following main components in percentage by weight: 0.3 to 0.5 percent of carboxymethyl chitosan, 20 to 25 percent of zircon salt, 2 to 5 percent of acid solution and the balance of deionized water. In preparation, solution of carboxymethyl chitosan is prepared first by dissolving the carboxymethyl chitosan in the acid solution; then solution of zircon salt is prepared by dissolving the zircon salt in the deionized water; and finally, the solution of carboxymethyl chitosan is dripped into the solution of zircon salt slowly, the mixed solution is stirred uniformly, and thus, the cultural paper surface sizing agent is obtained. The paper made by using the cultural paper surface sizing agent of the invention is insusceptible to picking and duslting, low in cost and environmentally friendly.

Description

【Technical field】

[0001] The invention belongs to the field of papermaking chemicals and relates to a surface sizing agent for cultural paper. 【Background technique】

[0002] Surface sizing agents for papermaking can be roughly divided into two categories: the first category is natural polymer surface sizing agents; the second category is synthetic polymer surface sizing agents. The sizing principle of natural polymer surface sizing agent and synthetic polymer surface sizing agent is to form a thin film on the paper, so as to improve the water resistance, stiffness and sizing degree of the paper.

[0003] At present, the domestic papermaking industry generally adopts natural polymer modified sizing agent, which has little pollution and low cost, but after sizing paper, it is prone to hair loss and powder loss in the printing process, especially not suitable for the current high-speed printing industry. There are four types of synthetic polymer surface sizing agents, styren...

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