Method for producing outer bag paper of apple fruit growing bag by coating method
A fruit-growing bag and coating technology, which is applied in the field of manufacturing apple fruit-growing bag outer bag paper, can solve the problems of large environmental pollution in the workshop, complicated process flow, and high production cost, and achieve pollution reduction, easy adjustment of process parameters, and The effect of high utilization
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[0010] Example 1:
[0011] 1) Papermaking of base paper: beat the natural wheat straw chemical pulp and bleached hardwood pulp to 50~55°SR and 28-40°SR respectively, and then mix 60% of the pulped natural wheat straw chemical pulp and 40% of the After the bleached hardwood pulp is mixed, it is placed in the same headbox to obtain a mixed pulp, and then the mixed pulp is added to the mixing tank, and then 5% filler talcum powder of the absolute dry mass of the mixed pulp is added to the mixing tank, and 1% sizing Reagent paraffin wax-rosin glue, 5% aluminum sulfate, 0.05% wet strength agent PAE and dye direct orange 600 g / ton paper are mixed uniformly, and the base paper of outer bag paper is obtained after wire forming, pressing dehydration and drying. The basis weight is 45g / m 2 ;
[0012] 2) Preparation of paint: Mix the dispersion of 20% solid content sodium hexametaphosphate with water to make a 2% solid content dispersion liquid, then add china clay and carbon black to the di...
Example Embodiment
[0015] Example 2:
[0016] 1) Raw paper making: beat waste paper pulp and bleached hardwood pulp to 50~55°SR and 28~40°SR respectively, and then 70% of the beaten waste paper pulp and 30% bleached hardwood pulp according to mass parts After mixing, place the mixed slurry in the same head box, and then add the mixed slurry into the mixing tank, and then add 2% filler talcum powder with absolute dry mass of the mixed slurry and 1.5% sizing agent paraffin-rosin to the mixing tank. Glue, 3% aluminum sulfate, 0.08% wet strength agent PAE, and dye direct orange 600 g / ton paper are mixed uniformly, and then the outer bag paper base paper is obtained after wire forming, pressing dehydration and drying. The basis weight is 45g / m 2 ;
[0017] 2) Preparation of paint: Mix the dispersion of 30% solid content sodium hexametaphosphate with water to make a 3% solid content dispersion liquid, then add china clay and carbon black to the dispersion liquid, stir and disperse to obtain a mixed liquid,...
Example Embodiment
[0020] Example 3:
[0021] 1) Raw paper making: beat the natural wheat straw chemical pulp and bleached hardwood pulp to 50~55°SR and 28~40°SR respectively, and then mix 80% of the beating natural wheat straw chemical pulp and 20% of the After the bleached hardwood pulp is mixed, it is placed in the same headbox to obtain the mixed pulp, and then the mixed pulp is added to the mixing tank, and then 4% filler talcum powder of the absolute dry mass of the mixed pulp is added to the mixing tank, 2.5% sizing Reagent paraffin wax-rosin glue, 4% aluminum sulfate, 0.1% wet strength agent PAE and dye direct orange 600 g / ton paper are mixed uniformly, and then the outer bag paper base paper is obtained after the mesh is formed, pressed and dehydrated, and dried. The basis weight is 45g / m 2 ;
[0022] 2) Preparation of paint: Mix the 25% solid content dispersion sodium hexametaphosphate with water to prepare a 4% solid content dispersion liquid, then add china clay and carbon black to the d...
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