Writing paper prepared from non-wood type paper pulp and preparation method of writing paper
A non-wood and writing paper technology, applied in the field of writing paper and its preparation, can solve the problems of writing paper preparation method and lack of gloss, and achieve the effects of eye protection, good gloss and reduced beating degree
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Embodiment 1
[0048] A kind of writing paper made from non-wood pulp of the present invention, the slurry of the writing paper made from non-wood pulp is made from self-made grass pulp and self-made bamboo pulp, wherein the pulp made from non-wood pulp The quantification of the obtained writing paper is 30g / m 2 , the content of the synthetic papermaking auxiliary agent is 0.5% of the dry pulp, and the content of the inorganic filler is 25% of the dry pulp.
[0049] The synthetic papermaking auxiliary agent chitin is a chitin derivative chitosan papermaking auxiliary agent, and the content of the chitin derivative chitosan papermaking auxiliary agent is 0.5% of the dry pulp; the slurry The concentration is 0.3%,
[0050] The opacity of the writing paper made from non-wood pulp is 96%, the tensile index is 37N·m / g, and the tear index is 200mN·m 2 / g, burst resistance index 4kPa m 2 / g, folding endurance 20 times;
[0051] Described slurry is made up of the following components of weight p...
Embodiment 2
[0076] The difference between embodiment 2 and embodiment 1 is:
[0077] A kind of writing paper made from non-wood pulp of the present invention, the slurry of the writing paper made from non-wood pulp is made from self-made grass pulp and self-made bamboo pulp, wherein the pulp made from non-wood pulp The quantification of the obtained writing paper is 60g / m 2 , the content of the synthetic papermaking auxiliary agent is 0.8% of the dry pulp, and the content of the inorganic filler is 20% of the dry pulp.
[0078] The synthetic papermaking additive chitin is a chitin derivative chitosan papermaking additive, the concentration of the slurry is 0.5%, and the molecular weight of the chitosan is 80,000;
[0079] The opacity of the writing paper made from non-wood pulp is 86%, the tensile index is 35N·m / g, and the tear index is 180mN·m 2 / g, burst index 8kPa m 2 / g, folding endurance 40 times;
[0080] Described slurry is made up of the following components of weight percent:...
Embodiment 3
[0098] The difference between embodiment 3 and embodiment 1 is:
[0099] A kind of writing paper made from non-wood pulp of the present invention, the slurry of the writing paper made from non-wood pulp is made from self-made grass pulp and self-made bamboo pulp, wherein the pulp made from non-wood pulp The quantification of the obtained writing paper is 50g / m 2 , the content of the synthetic papermaking auxiliary agent is 1.0% of the dry pulp, and the content of the inorganic filler is 15% of the dry pulp.
[0100] The synthetic papermaking auxiliary chitin is a chitin derivative chitosan papermaking auxiliary, the concentration of the slurry is 0.4%, and the molecular weight of the chitosan is 10,000;
[0101] The opacity of the writing paper made from non-wood pulp is 80%, the tensile index is 32N·m / g, and the tear index is 150mN·m 2 / g, bursting index 10kPa m 2 / g, folding endurance 30 times;
[0102] Described slurry is made up of the following components of weight pe...
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