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Method for reducing food packaging paper pulp molded product fiber dosage

A food packaging and pulp fiber technology, applied in textiles and papermaking, non-fibrous pulp addition, fiber raw material processing, etc., can solve problems such as easy loss, improve retention rate, reduce production cost, good moisture resistance and dryness The effect of strength properties

Active Publication Date: 2013-05-15
SHAONENG GRP GUANGDONG LVZHOU PAPER MOLD PACKING PROD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But food grade CaCO 3 Fillers are prone to loss during the pulp molding process, so to improve the food grade CaCO 3 The retention rate of fillers and plant fiber fine plant fiber components has become a key technical problem to be solved urgently in this technical field

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Prepare the paper mold product for packaging according to the following specific steps:

[0024] (1) Preparation of chemical modification solution: Add chemical additives including 0.1‰ cationic polyacrylamide (CPAM), 1% water repellent, 0.01% oil repellant in the mixing tank, mix and add pure Diluted with water, prepared into a chemical modification solution whose solid content of chemical additives accounts for 65% of the total solution weight;

[0025] (2) Preparation of pulp fiber: will include 5% food grade CaCO 3 The dry pulp fiber of filler and 95% dry plant fiber is dispersed, and is diluted with water to the pulp fiber that mass concentration is 1%;

[0026] (3) Mixing reaction: put the chemical modification solution prepared in step (1) and the pulp fiber prepared in step (2) into a reaction tank and mix them, stir evenly and fully react;

[0027] (4) Forming: inject the fully reacted mixture in step (3) into the material forming area of ​​the pulp molding d...

Embodiment 2

[0034] Prepare the paper mold product for packaging according to the following specific steps:

[0035] (1) Preparation of chemical modification solution: Add chemical additives including 0.5‰ cationic polyacrylamide (CPAM), 3% water repellent and 0.76% oil repellant to the mixing tank, mix and add pure Diluted with water to prepare a chemically modified solution whose solid content of chemical additives accounts for 90% of the total solution weight;

[0036] (2) Preparation of pulp fiber: will include 20% food grade CaCO 3 The dry pulp fiber of filler and 80% dry plant fiber is dispersed, and is diluted with water to the pulp fiber that mass concentration is 1%;

[0037] (3) Mixing reaction: put the chemical modification solution prepared in step (1) and the pulp fiber prepared in step (2) into a reaction tank and mix them, stir evenly and fully react;

[0038] (4) Forming: inject the fully reacted mixture in step (3) into the material forming area of ​​the pulp molding dev...

Embodiment 3

[0045] Prepare the paper mold product for packaging according to the following specific steps:

[0046] (1) Preparation of chemical modification solution: Add chemical additives including 0.4‰ cationic polyacrylamide (CPAM), 3% water repellent and 0.55% oil repellant in the mixing tank, mix and add pure Diluted with water, prepared into a chemical modification solution whose solid content of chemical additives accounts for 85% of the total solution weight;

[0047] (2) Preparation of pulp fiber: will include 12% food grade CaCO 3 The dry pulp fiber dispersion of filler and 88% dry plant fiber, and be diluted with water to the pulp fiber that mass concentration is 1%;

[0048] (3) Mixing reaction: put the chemical modification solution prepared in step (1) and the pulp fiber prepared in step (2) into a reaction tank and mix them, stir evenly and fully react;

[0049] (4) Forming: inject the fully reacted mixture in step (3) into the material forming area of ​​the pulp molding d...

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PUM

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Abstract

The invention provides a method for reducing food packaging paper pulp molded product fiber dosage. The method for reducing the food packaging paper pulp molded product fiber dosage can be achieved through the following technical scheme: in the process of paper pulp molding forming, adding an environment-friendly food grade CaCo3 padding to replace partial plant fiber, and supplementing cationic polyacrylamide (CPAM) of eight million molecular weight to use as a retention auxiliary agent; forming large-size flocculation perssad and achieving modified effect by mix and flocculation effects of the CPAM, the fiber and the CaCO3 padding. The CaCo3 padding and the fine plant fiber have good absorption capacity, the surface of the CaCo3 padding can be better absorbed with the plant fiber, and therefore the purposes of improving fiber retention and reducing pulp product fiber dosage are achieved. The method for reducing the food packaging paper pulp molded product fiber dosage has the advantages of being environment-friendly and high-efficiency, simple and practical, and high in application value.

Description

technical field [0001] The invention relates to a method for reducing the fiber weight of a paper mold product for food packaging, which is applied to the fields of food packaging and the like. Background technique [0002] my country's pulp molding industry is a sustainable and stable green packaging processing industry. Whether it is the state's support or specific measures, it has provided great development opportunities for domestic paper companies. However, the pulp molding products of most enterprises in my country have problems such as low technical content, high resource consumption, and low product profits in the production process, which greatly affects the healthy and stable development of my country's pulp molding industry. In recent years, in order to reduce costs, pulp molding products have been diversified and tend to be low-weight, which has an important role in promoting the saving of plant fiber consumption and reducing production costs. [0003] Fiber is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21J3/00D21H17/55D21H21/44D21H17/67D21H17/59
Inventor 刘保林邱平平叶建平
Owner SHAONENG GRP GUANGDONG LVZHOU PAPER MOLD PACKING PROD CO LTD
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