Water-borne paper-plastic laminating adhesive and preparation method thereof

A paper-plastic composite, water-based technology, applied in the direction of monocarboxylate copolymer adhesive, adhesive type, ester copolymer adhesive, etc., can solve the problems of restricting the application of composite technology, achieve high smoothness and environmental protection Good protection and good composite fastness

Inactive Publication Date: 2011-11-23
范会生
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These shortcomings have severely limited the application of this type of composite process

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] Formula: 45Kg butyl acrylate, 45Kg vinyl acetate, 5Kg acrylic acid, 2Kg crosslinking monomer, 1Kg ammonium persulfate, 3Kg other functional monomers;

[0015] The cross-linking monomer is a polyamino compound, and the molecular structure of the polyamino compound is H 2 N-(CH 2 O)16CH 2 -NH 2 ;

[0016] The other functional monomers are a mixture of methacrylic acid and hydroxypropyl acrylate, with a mixing ratio of 1:3;

[0017] The preparation method comprises the following steps:

[0018] 1) The monomers are mixed according to the formula, sent to the homogenizer for emulsification for 15 minutes, and the pre-emulsion is obtained in 15 minutes;

[0019] 2) Add 6% of the pre-emulsion and 30% of the initiator ammonium persulfate at 80 degrees, and carry out a 15-minute seed reaction in the reactor;

[0020] 3) Add the remaining emulsion pre-chemical solution and initiator dropwise, and finish adding dropwise in 100 minutes;

[0021] 4) keep warm for 1 hour;

[...

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PUM

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Abstract

The invention discloses a water-borne paper-plastic laminating adhesive and a preparation method thereof. The laminating adhesive comprises 30 to 50 parts of butyl acrylate, 40 to 50 parts of vinyl acetate, 3 to 10 parts of acrylic acid, 2 to 3 parts of crosslinking monomer and 0 to 3 parts of other functional monomers. The invention hast the advantages that: the water-borne paper-plastic laminating adhesive is safe, nontoxic, non-combustible and nonexplosive, and has good weatherability and good laminating fastness; and a laminated product has high finishment and good performance.

Description

technical field [0001] The invention relates to the field of adhesive products, in particular to a water-based paper-plastic composite glue and a preparation method thereof. Background technique [0002] Paper-plastic composite is an important technical process of packaging. After the paper is coated with a composite polymer film (such as BOPP, PET, PVC), it can resist moisture, prevent dirt, increase stiffness, and make the color more colorful. Upward trend. There are many kinds of paper-plastic compounding techniques, among which the most widely used and dominant one is the compounding of solvent-based glue using toluene as a solvent. This type of glue is made of toluene as a solvent, dissolving SBS, rosin, terpene and other polymer materials. The solid content of the finished product is about 45%, and it is diluted with toluene to a concentration of about 25% when used. These solvents are finally discharged into the air, causing serious toxic pollution and serious fire...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J133/08C09J131/04C08F220/18C08F218/08C08F220/06
Inventor 范会生
Owner 范会生
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