Raw paper of positioning paper and production method of same
A technology for positioning paper and base paper, which is applied in the field of papermaking, can solve the problems of poor acid and alkali resistance, poor high temperature resistance, and hard paper that is easy to delaminate, and achieve poor high temperature resistance, good absorption performance, and evenness good effect
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Embodiment 1
[0030] This positioning paper base paper is made of the following raw material proportions by weight: 60 parts of long-fiber wood pulp, 20 parts of hemp pulp, 5 parts of chemical fiber, 1 part of wet strength agent, 20 parts of latex for coating, poplar bud extraction 3 servings.
[0031] Further, the long-fiber wood pulp is softwood bleached wood pulp.
[0032] Further, hemp pulp is Manila hemp pulp.
[0033] Further, the chemical fiber is high-strength polyester.
[0034] Further, the wet strength agent is polyester amide.
[0035] Further, the coating latex is styrene-acrylic latex.
[0036] The production method of above-mentioned positioning paper base paper, comprises the steps:
[0037] The first step, beating treatment, first add long-fiber wood pulp and hemp pulp to the Dutch beater, add chemical fiber after 40 minutes of beating with a medium knife, and then beat with a light knife for 15 minutes, the beating concentration is 3.0%, and the wet weight is 20g , af...
Embodiment 2
[0044] This positioning paper base paper is made of the following raw material proportions by weight: 65 parts of long fiber wood pulp, 25 parts of hemp pulp, 10 parts of chemical fiber, 2 parts of wet strength agent, 25 parts of coated latex, poplar bud extract 5 servings.
[0045] Further, the long-fiber wood pulp is softwood bleached wood pulp.
[0046] Further, hemp pulp is Manila hemp pulp.
[0047] Further, the chemical fiber is high-strength polyester.
[0048] Further, the wet strength agent is polyester amide.
[0049] Further, the coating latex is styrene-acrylic latex.
[0050] The production method of above-mentioned positioning paper base paper, comprises the steps:
[0051] The first step, beating treatment, first add long-fiber wood pulp and hemp pulp to the Dutch beater, add chemical fiber after 40 minutes of beating with a medium knife, and then beat with a light knife for 15 minutes, the beating concentration is 3.2%, and the wet weight is 23g , after th...
Embodiment 3
[0058] This positioning paper base paper is made of the following raw material proportions by weight: 70 parts of long fiber wood pulp, 30 parts of hemp pulp, 15 parts of chemical fiber, 3 parts of wet strength agent, 30 parts of coated latex, poplar bud extract 7 servings.
[0059] Further, the long-fiber wood pulp is softwood bleached wood pulp.
[0060] Further, hemp pulp is Manila hemp pulp.
[0061] Further, the chemical fiber is high-strength polyester.
[0062] Further, the wet strength agent is polyester amide.
[0063] Further, the coating latex is styrene-acrylic latex.
[0064] The production method of above-mentioned positioning paper base paper, comprises the steps:
[0065] The first step, beating treatment, first add long-fiber wood pulp and hemp pulp to the Dutch beater, add chemical fiber after 40 minutes of beating with a medium knife, and then beat with a light knife for 15 minutes, the beating concentration is 3.5%, and the wet weight is 25g , after the ...
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