Paper pulp made from bamboo fiber, preparation method thereof, and paper product made from paper pulp

Abstract

The invention discloses paper pulp made from bamboo fiber, a preparation method of the paper pulp, and a paper product made from the paper pulp and belongs to the field of pulp making and papermaking technology. The whiteness of the paper pulp made from bamboo fiber ranges from 20% to 40% ISO, the tensile index is larger than or equal to 7.9 N*m / g, the folding strength ranges from 15 times to 200 times, the fracture length ranges from 5 km to 10 km, the ash content is smaller than or equal to 1%, the tearing strength ranges from 200 mN to 650 mN, and the beating degree ranges from 10 degree SR to 25 degree SR. The preparation method of the paper pulp made from bamboo fiber includes the steps of raw material breaking, stewing, defibering, defibrination, screening and washing. The paper pulp made from bamboo fiber can be used for making culture paper or paper for daily use. The paper pulp has a good performance parameter, can replace conventional wood pulp and is superior to the conventional wood pulp; the preparation method of the paper pulp has the advantages of being high in yield, easy to operate, convenient to produce, low in cost and environmentally friendly, and the 100% natural features of bamboo fiber are kept.

Description

technical field [0001] The invention belongs to the technical field of pulping and papermaking, and in particular relates to pulp prepared from bamboo fibers, a preparation method thereof and a paper product prepared therefrom. Background technique [0002] Due to the increasing shortage of wood resources in the world, it has become the goal pursued by various paper-making enterprises to produce pulp and paper without destroying forests and the environment. As a solution to this problem, the technology of making pulp from non-wood plant fibers using annual or biennial plants such as: farmland waste, bamboo, sugarcane stalks discarded after sugar production, rice and wheat straw, etc. as the main material has been attracting attention. [0003] Usually cultural paper refers to printing paper, also known as offset paper, or the abbreviation of lightweight coated paper, generally between 60 grams and 120 grams, less than 60 grams is writing paper, and more than 120 grams are co...

AI Technical Summary

Problems solved by technology

[0004] There are many disadvantages in the cultural paper and household paper of the prior art, mostly using native wood pulp, which seriously affects the ecological balance of the environment and leads to long-term adverse consequences due to the need to cut down a large amount of wood; part of the cultural paper prepared from native wood pulp The tensile strength, softness, and water absorption of the paper do not meet the specified standards; and in the prior art, in order to increase the whiteness of the paper, European-style pulping is produced using bleached pulp as raw materials in the pulping process, and the bleaching pulp used for bleaching is There are mainly two kinds of oxidants and reducing agents; at present, oxidants are mainly used, and chlorine, hypochlorite, chlorine dioxide, etc. are more commonly used; dioxins, furans, etc. contained in organic chlorides produced in production have carcinogenic properties. sex, mutagenicity, teratogenicity, multiple cranial neuropathy and acute toxicity, and the discharged sewage has a greater adverse effect on the water environment received

After the pulp is bleached by a strong oxidant, the fiber strength will be damaged in different ways, and the strength and toughness will decrease. The products produced are prone to hair loss, powder loss, and wet strength reduction during use.