Environmental-friendly black paperboard and production method thereof
A black cardboard, environmentally friendly technology, applied in the field of papermaking, can solve the problems of unstable hue on the bottom surface and troublesome stickies, etc., and achieve the effects of low production cost, high color fastness and excellent printing performance
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Embodiment 1
[0016] Main production equipment: four-layer fourdrinier board paper machine, 4-pass doctor blade coater
[0017] Production process and process conditions:
[0018] The waste paper pulping system used in this environmentally friendly black cardboard adopts the introduction of international advanced pulping and screening and purification equipment. Containerboard and old book pulp, with a back layer of old newsprint pulp for dyeing.
[0019] The wire part of the paper machine adopts four-layer laminated wire forming technology, and the paper forming uniformity is excellent. Different quantitative environmental protection black cardboard can be made according to the requirements, and the 250g / m 2 Taking environmental black cardboard as an example, the quantitative distribution of each layer of pulp is as follows: the quantitative distribution of the surface layer is 25g / m 2 , the lining weight is 35g / m 2 , the weight of the core layer is 110g / m 2 , the weight of the back la...
Embodiment 2
[0023] Main production equipment: four-layer fourdrinier board paper machine, 4-pass doctor blade coater
[0024] Production process and process conditions:
[0025] The waste paper pulping system used in this environmentally friendly black cardboard adopts the introduction of international advanced pulping and screening and purification equipment. Containerboard and old book pulp, with a back layer of old newsprint pulp for dyeing.
[0026] The wire part of the paper machine adopts four-layer laminated wire forming technology, and the paper forming uniformity is excellent. Different quantitative environmental protection black cardboard can be made according to the requirements, and the 300g / m 2 Taking environmental black cardboard as an example, the quantitative distribution of each layer of pulp is as follows: the quantitative distribution of the surface layer is 25g / m 2 , the lining weight is 40g / m 2 , the weight of the core layer is 150g / m 2 , the weight of the back la...
Embodiment 3
[0030] Main production equipment: four-layer fourdrinier board paper machine, 4-pass doctor blade coater
[0031] Production process and process conditions:
[0032] The waste paper pulping system used in this environmentally friendly black cardboard adopts the introduction of international advanced pulping and screening and purification equipment. Containerboard and old book pulp, with a back layer of old newsprint pulp for dyeing.
[0033] The wire part of the paper machine adopts four-layer laminated wire forming technology, and the paper forming uniformity is excellent. Different quantitative environmental protection black cardboard can be made according to requirements. 2 Taking environmental black cardboard as an example, the quantitative distribution of each layer of pulp is as follows: the quantitative distribution of the surface layer is 25g / m 2 , the lining weight is 45g / m 2 , the weight of the core layer is 190g / m 2 , the weight of the back layer is 40g / m 2 . ...
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