Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Production method for high-bulk packing board

A packaging cardboard and production method technology, applied in the direction of packaging paper, wrapping paper, packaging, etc., can solve the problems of unfavorable environment and resource protection, reduction of white cardboard thickness and stiffness, and large consumption of fiber resources, etc., to achieve favorable Protection of the environment and resources, reduction of wood consumption, and high printing adaptability

Active Publication Date: 2012-10-31
江苏博汇纸业有限公司
View PDF2 Cites 15 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the relatively large quantity of white cardboard, the amount of pulp and other pulp used in the production process of white cardboard is relatively large, and the corresponding consumption of fiber resources is also relatively large, which is not conducive to the protection of the environment and resources.
However, if the weight is simply reduced, it will lead to a decrease in the thickness and stiffness of the white cardboard, which does not meet the requirements for use.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Production method for high-bulk packing board

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Embodiment 1: A kind of production method of high-bulk packaging cardboard (white cardboard), its specific production process is:

[0016] (1) Prepare the slurries required for the surface layer, lining layer, core layer and bottom layer respectively by disintegration, screening, purification, flotation, heat dispersion, bleaching and refining;

[0017] (2) When mixing the slurry of the lining layer and the core layer in the mixing tank, add bulk thickness ≥ 2.0m to the waste paper pulp used to prepare the lining layer and the core layer 3 / g of mechanical pulp, and mix uniformly to form the mixed pulp required for each layer, wherein in the mixed pulp of the lining layer: the weight percentage of mechanical pulp is 50%, and the weight percentage of chemical pulp and waste paper pulp is 50%. , in the mixed pulp of the core layer: the weight percentage of mechanical pulp is 59%, the weight percentage of chemical pulp and waste paper pulp is 41%;

[0018] (3) Prepare the...

Embodiment 2

[0021] Embodiment 2: A kind of production method of high-bulk packaging cardboard (white cardboard), its specific production process is:

[0022] (1) Prepare the slurries required for the surface layer, lining layer, core layer and bottom layer respectively by disintegration, screening, purification, flotation, heat dispersion, bleaching and refining;

[0023] (2) When mixing the slurry of the lining layer and the core layer in the mixing tank, add bulk thickness ≥ 2.0m to the waste paper pulp used to prepare the lining layer, core layer and bottom layer 3 / g of mechanical pulp, and mix uniformly to form the mixed pulp required for each layer, wherein in the mixed pulp of the lining layer: the weight percentage of mechanical pulp is 60%, and the weight percentage of chemical pulp and waste paper pulp is 40%. In the mixed pulp of the core layer: the weight percentage of mechanical pulp is 73%, the weight percentage of chemical pulp and waste paper pulp is 27%, and in the mixed ...

Embodiment 3

[0027] Embodiment 3: A kind of production method of high-bulk packaging cardboard (white cardboard), its specific production process is:

[0028] (1) Prepare the slurries required for the surface layer, lining layer, core layer and bottom layer respectively by disintegration, screening, purification, flotation, heat dispersion, bleaching and refining;

[0029] (2) When mixing the slurry of the lining layer and the core layer in the mixing tank, add bulk thickness ≥ 2.0m to the waste paper pulp used to prepare the lining layer, core layer and bottom layer 3 / g of mechanical pulp, and mix uniformly to form the mixed pulp required for each layer, wherein in the mixed pulp of the lining layer: the weight percentage of mechanical pulp is 42%, and the weight percentage of chemical pulp and waste paper pulp is 58%. , in the mixed pulp of the core layer: the weight percentage of mechanical pulp is 53%, the weight percentage of chemical pulp and waste paper pulp is 47%;

[0030] (3) P...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a production method for high-bulk packing board, which is characterized in that during preparing the pulp required by linings and cores, mechanical pulp is added into the waste paper pulp for preparing the linings and the cores during pulp mixing, and the binder formed by mixing starch and reinforcing agent is added to the mesh part of a paper machine during compounding the paper pulp layers, so as to compound the paperboard. The invention has the advantages that compared with the white cardboard processed through traditional method, the high-bulk packing board, (mainly the white cardboard) processed through the method has high bulk, (namely less quantitative property under the same thickness or high thickness under the same quantitative property), high interlayer strength, high printing applicability and excellent deflection, reduces the fiber consumption, reduces the consumption of the wood, and facilitates the protection of the environment and resources.

Description

technical field [0001] The invention relates to a production method of cardboard in the papermaking industry, in particular to a production method of high bulk packaging cardboard. Background technique [0002] With the development of social economy, the demand for paper and its products is increasing, but the forest resources are limited, and the contradiction between the limited forest resources and the increasing demand is prominent. With the rapid development of my country's paper industry and the rapid growth of total paper output, the supply of paper-making raw material resources has become the biggest problem that plagues the development of my country's paper industry. [0003] At present, many products on the market are packaged in cartons, and white cardboard is widely used in product packaging because of its firmness, thickness, and large quantity. It is a large amount of packaging cardboard. However, due to the relatively large ration of white cardboard, the amou...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): D21H27/10
Inventor 白树华黄俊彦吴泰坤毛华平
Owner 江苏博汇纸业有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com