Preparation method of composite kraft paper
A kraft paper and waste paper pulp technology, applied in chemical instruments and methods, paper, papermaking, etc., can solve the problems of not being novel enough, unique, polluting the contents of the package, unpleasant sensory experience, etc. Conducive to reuse and environmental protection
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Embodiment 1
[0037] A composite kraft paper composed of a bottom layer, a core layer, a surface layer and a decorative layer in sequence, wherein,
[0038] The bottom layer is made by mixing waste paper pulp, bamboo wood pulp and softwood pulp in a weight ratio of 5:2:1;
[0039] The core layer is made of the first sizing agent and essence, the first sizing agent is made of polyvinyl alcohol and dextrin in a weight ratio of 2:3, and the consumption of the first sizing agent is 0.5 g / m 2 , the essence, which is microcapsule powder essence, its consumption is 0.01g / m 2 ;
[0040] The surface layer is made by mixing waste paper pulp, softwood pulp and hardwood pulp in a weight ratio of 2:1:1;
[0041] The decorative layer is made of a second sizing agent and dried flowers, the second sizing agent is a styrene-acrylic adhesive, and its consumption is 2g / m 2 , the dried flowers, which are made by drying fresh flowers through microwave drying and hot air drying, and the dosage is 30 flowers / ...
Embodiment 2
[0055] A composite kraft paper composed of a bottom layer, a core layer, a surface layer and a decorative layer in sequence, wherein,
[0056] The bottom layer is made by mixing waste paper pulp, bamboo wood pulp and softwood pulp in a weight ratio of 5:2:1;
[0057] The core layer is made of the first sizing agent and essence, the first sizing agent is made of polyvinyl alcohol and dextrin in a weight ratio of 2:3, and the consumption of the first sizing agent is 0.5 g / m 2 , the essence, which is microcapsule powder essence, its consumption is 0.02g / m 2 ;
[0058] The surface layer is made by mixing waste paper pulp, softwood pulp and hardwood pulp in a weight ratio of 2:1:1;
[0059] The decorative layer is made of a second sizing agent and dried flowers, the second sizing agent is a styrene-acrylic adhesive, and its consumption is 2g / m 2 , the dried flowers, which are made by drying fresh flowers through microwave drying and hot air drying, and the dosage is 10 flowers / ...
Embodiment 3
[0075] A composite kraft paper composed of a bottom layer, a core layer, a surface layer and a decorative layer in sequence, wherein,
[0076] The bottom layer is made by mixing waste paper pulp, bamboo wood pulp and softwood pulp in a weight ratio of 5:2:1;
[0077] The core layer is made of the first sizing agent and essence, the first sizing agent is made of polyvinyl alcohol and dextrin in a weight ratio of 2:3, and the consumption of the first sizing agent is 1g / m 2 , the essence, which is a microcapsule powder essence, its consumption is 0.3g / m 2 ;
[0078] The surface layer is made by mixing waste paper pulp, softwood pulp and hardwood pulp in a weight ratio of 2:1:1;
[0079] The decorative layer is made of a second sizing agent and dried flowers, the second sizing agent is a styrene-acrylic adhesive, and its consumption is 2.5g / m 2 , the dried flowers, which are made by drying fresh flowers through microwave drying and hot air drying, and the dosage is 30 flowers...
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