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Water-based dry-type complex film adhesive and preparation method thereof

A laminating adhesive, dry technology, applied in the direction of adhesive type, hydrocarbon copolymer adhesive, etc., can solve the problems of poor ink affinity, poor powder coating, and unsatisfactory performance. Reduce the content of VOC, improve the effect of poor powder coating, and improve the bonding strength

Active Publication Date: 2011-07-27
NANTONG GAOMENG NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the water-based laminating adhesives on the market have problems such as low bonding strength, poor covering powder, and poor affinity for inks. Their performance is not up to the standard of oil-based laminating adhesives. Some products add The additives are not environmentally friendly, and there are safety hazards in the process of use

Method used

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  • Water-based dry-type complex film adhesive and preparation method thereof
  • Water-based dry-type complex film adhesive and preparation method thereof
  • Water-based dry-type complex film adhesive and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] This embodiment provides a kind of water-based dry-type laminating glue, which is made of monomer, emulsifier, initiator, buffer, deionized water, pH regulator and water-based auxiliary agent as raw materials, pre-emulsified, seeded The laminating adhesive with a solid content of 45-55% is prepared by each step of reaction, polymerization and compounding;

[0021] The monomers in the above-mentioned laminating glue include hard monomers, soft monomers and functional monomers, wherein the hard monomers are styrene (St), and the soft monomers are composed of butyl acrylate (BA) and isooctyl acrylate (EHA ), the functional monomer is composed of any one of acrylic acid (AA) or methacrylic acid (MAA), any one of hydroxyethyl acrylate (HEA) or hydroxypropyl acrylate (HPA) and phthalic acid di Allyl ester (DAP) is composed of three kinds; based on the total weight of each raw material of the monomer as 100%, the weight percentage of each raw material of the monomer is: styren...

Embodiment 2

[0034] This embodiment provides a water-based dry laminating adhesive, which can be used in paper / plastic interface compounding. The laminating adhesive includes the following raw materials:

[0035]

[0036]

[0037] The preparation method of above-mentioned laminating glue, carry out according to the following steps:

[0038] (1) Pre-emulsification: put into the emulsification kettle the deionized water accounting for 40% of the total weight of deionized water, the alkyl ether ammonium sulfate accounting for 50% of the total weight of alkyl ether ammonium sulfate in the emulsifier, accounting for sodium sulfosuccinate The total weight of 50% sodium sulfosuccinate, all the sodium allyloxysulfonate, and all the monomers was stirred and emulsified for more than 30 minutes to prepare a pre-emulsion;

[0039] (2) Seed reaction: drop into the deionized water accounting for 50% of the total weight, the remaining alkyl ether ammonium sulfate in the emulsifier and the remaining s...

Embodiment 3

[0043] This embodiment provides a water-based dry laminating adhesive, which can be used in paper / plastic interface compounding. The laminating adhesive includes the following raw materials:

[0044]

[0045] The preparation method of above-mentioned laminating glue, carry out according to the following steps:

[0046] (1) Pre-emulsification: In the emulsification kettle, drop into the deionized water accounting for 45% of the total weight of deionized water, the alkyl ether ammonium sulfate accounting for 55% of the total weight of alkyl ether ammonium sulfate in the emulsifier, and the sulfosuccinate of 55% sodium sulfonate, all sodium allyloxysulfonate, and all monomers, and started stirring and emulsifying for more than 30 minutes to prepare a pre-emulsion;

[0047] (2) Seed reaction: drop into polymerization reactor and account for deionized water of 45% of deionized water gross weight, remaining alkyl ether ammonium sulfate in emulsifier and remaining sodium sulfosucc...

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Abstract

The invention discloses a water-based dry-type complex film adhesive and a preparation method thereof, belonging to the field of preparation of adhesive. The preparation method of the complex film adhesive comprises the following steps: by using monomers, an emulsifier, an initiator, a buffering agent, deionized water, a pH regulator and water-based assistants as raw materials, emulsifying, carrying out seed reaction and polymerization reaction, and compounding to obtain the complex film adhesive of which the solid content is 45-55%, wherein the monomers comprise a hard monomer, soft monomers and functional monomers; the hard monomer is styrene; the soft monomers comprise butyl acrylate and 2-ethylhexyl acrylate; the functional monomers comprise acrylic acid or methacrylic acid, 2-hydroxyethyl acrylate or 2-hydroxypropyl acrylate, and diallyl phthalate; and the emulsifier comprises ammonium alkyl ether sulfate, sodium sulfosuccinate and sodium allyloxysulfonate in a weight ratio of 2:1:(0.4-0.8). The complex film adhesive has the advantages of high bonding strength, favorable affinity and covering performance for ink, and environment protection since the content of VOCs (volatile organic compounds) is lowered.

Description

technical field [0001] The invention relates to the field of adhesive manufacturing, in particular to a water-based dry laminating adhesive and a preparation method thereof. Background technique [0002] Paper-plastic composite is the use of adhesives to combine polypropylene (BOPP for short) or polyester (PET for short) film with paper printed matter, which combines the advantages of paper and plastic film, so that the surface of printed matter is brighter and smoother, and the color is more vivid. And full of three-dimensional effect, it also plays the role of moisture-proof, anti-fouling, anti-counterfeiting, folding and wear-resistant, etc. It is widely used in decorative building materials, packaging materials, hardcover books, product advertisements or manuals, etc. With the development of market economy and the improvement of consumption level, film covering is quite extensive. The adhesive used in paper-plastic composite is called paper-plastic composite adhesive, r...

Claims

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Application Information

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IPC IPC(8): C09J125/14C08F212/08C08F220/18C08F220/06C08F220/28C08F222/14C08F2/24
Inventor 陈小锋沈峰邓煜东
Owner NANTONG GAOMENG NEW MATERIAL
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