Unlock instant, AI-driven research and patent intelligence for your innovation.

Environment protection self-adhering paper

An environmentally friendly and self-adhesive technology, which is applied in special paper, paper, papermaking, etc., can solve the problems of affecting additive retention, reducing adhesive adhesion, and greatly affecting the bonding performance of water-soluble adhesives. Negative impact, reduction of waste of resources, effect of cost reduction

Inactive Publication Date: 2008-08-06
ZHEJIANG SCI-TECH UNIV
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the former is difficult to find a balance point between the two because the increase of mechanical strength is the adhesiveness of the adhesive; Water-soluble binders tend to remain in the pulp after dissolution, which will affect the retention of additives in the papermaking process

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
  • Environment protection self-adhering paper
  • Environment protection self-adhering paper

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0010] A specific description will be made below with regard to the implementation of the present invention,

[0011] First select the following materials: copper (II) ethylenediamine complex, starch, sodium polyacrylate (MW 2100), commercial base paper, hot melt adhesives HBF1, HBF2, HBF3, HBF4 and water latex HBF5, water latex Techcryl 2077.

[0012] Treatment of commercial base paper and its compounding with pressure-sensitive adhesives: use sodium polyacrylate or starch aqueous solution to coat a layer of sodium polyacrylate and starch on the paper, and then dry it. The thickness of the coating is 2.5g / m 2 . Then the adhesive is transferred and compounded to the water-soluble polymer surface of the treated base paper to form a self-adhesive label paper, which is ready for use.

[0013] Finally, the screening rate of pressure-sensitive adhesives was measured: pulp screening is the most common process in the pulp purification process. Through this process, large particle...

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 green self-adhesive paper includes one base paper layer, one pressure sensitive adhesive layer and one water soluble polymer layer in between. When used self-adhesive paper is re-pulped, the adhesive layer will be stripped off wholly to form pellet under the action of water owing to the presence of the polymer, and this makes the adhesive is easy to eliminate. The present invention has the advantage of greatly reducing the negative effect of pressure sensitive adhesive on waste paper reuse to reduce waste in resource and environmental pollution. The green self-adhesive paper may be used in various office articles.

Description

technical field [0001] The invention relates to an environment-friendly self-adhesive paper, in particular to an environment-friendly self-adhesive paper whose pressure-sensitive adhesive has little influence on waste paper recycling. Background technique [0002] At present, the consumption of paper is continuously increasing, and the main raw materials for paper production are natural resources such as wood. In order to protect forests, the reuse of paper has been valued by various countries. The development of pressure-sensitive adhesive materials that do not affect the secondary recycling of cellulose fibers is a hot spot in the field of industrial research 1-6 . Since waste paper is an important raw material for paper production, recycled waste paper has increased substantially worldwide, from 85 million tons in 1990 to 188 million tons in 2005. 7 . The problem of pressure sensitive adhesive (PSA) pollution is the biggest technical challenge for waste paper recycling...

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 Patents(China)
IPC IPC(8): D21H21/14D21H19/00D21H27/00
Inventor 王新平
Owner ZHEJIANG SCI-TECH UNIV