Paper news media
A technology of news and media, which is applied in the field of newsprint, can solve the problems of environmental burden, newsprint cannot be recycled, etc., and achieve the effects of protecting the environment, enhancing strength, and reducing lint and dust.
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Embodiment 1
[0035] A kind of paper news medium, comprises the component of following weight portion: degree of beating is 60 parts by weight of deinking chemical pulp of 53 ° SR, degree of beating is 18 parts by weight of bamboo alkaline hydrogen peroxide mechanical pulp of 45 ° SR, beating Degree is 7 parts by weight of bamboo chemical thermomechanical pulp of 40 ° SR, beating degree is 15 parts by weight of poplar alkaline hydrogen peroxide thermomechanical pulp of 35 ° SR, 0.03 parts by weight of brightener, 8 parts by weight of filler, 0.5 parts by weight of strengthening agent, 0.3 parts by weight of retention and drainage aid, and 0.1 parts by weight of sizing agent.
[0036] Wherein, the filler is a mixture of neutral precipitated calcium carbonate, aluminum magnesium silicate, polyvinyl alcohol and titanium dioxide, and the mass ratio of neutral precipitated calcium carbonate: aluminum magnesium silicate: polyvinyl alcohol: titanium dioxide is 3:1:4:2. Neutral precipitated calcium...
Embodiment 2
[0043] A kind of paper news medium, comprises the component of following weight portion: degree of beating is 60 parts by weight of deinking chemical pulp of 54 ° SR, degree of beating is 18 parts by weight of bamboo alkaline hydrogen peroxide mechanical pulp of 46 ° SR, beating Degree is 7 parts by weight of bamboo chemical thermomechanical pulp of 41 ° SR, beating degree is 15 parts by weight of poplar alkaline hydrogen peroxide thermomechanical pulp of 36 ° SR, 0.04 part by weight of brightener, 9 parts by weight of filler, 0.6 parts by weight of strengthening agent, 0.4 parts by weight of retention and drainage aid, and 0.15 parts by weight of sizing agent.
[0044] Wherein, the filler is a mixture of neutral precipitated calcium carbonate, aluminum magnesium silicate, polyvinyl alcohol and titanium dioxide, and the mass ratio of neutral precipitated calcium carbonate: aluminum magnesium silicate: polyvinyl alcohol: titanium dioxide is 3:1:4:2. Neutral precipitated calcium...
Embodiment 3
[0050] A kind of paper news medium, comprises the component of following weight portion: degree of beating is 60 parts by weight of deinking chemical pulp of 55 ° SR, degree of beating is 18 parts by weight of bamboo alkaline hydrogen peroxide mechanical pulp of 47 ° SR, beating Degree is 7 parts by weight of bamboo chemical thermomechanical pulp of 42 ° SR, beating degree is 15 parts by weight of poplar alkaline hydrogen peroxide thermomechanical pulp of 37 ° SR, 0.05 parts by weight of whitening agent, 10 parts by weight of filler, 0.7 parts by weight of strengthening agent, 0.5 parts by weight of retention and drainage aid, and 0.2 parts by weight of sizing agent.
[0051] Wherein, the filler is a mixture of neutral precipitated calcium carbonate, aluminum magnesium silicate, polyvinyl alcohol and titanium dioxide, and the mass ratio of neutral precipitated calcium carbonate: aluminum magnesium silicate: polyvinyl alcohol: titanium dioxide is 3:1:4:2. Neutral precipitated c...
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