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Aqueous adhesive for non-woven fabric composite membrane and preparation method of aqueous adhesive

A composite film and adhesive technology, applied in the direction of adhesive types, ester copolymer adhesives, hydrocarbon copolymer adhesives, etc., can solve the problems of poor environmental protection and damage to the health of users, and achieve good environmental protection. , The effect of improving adhesion and peeling strength

Inactive Publication Date: 2012-05-09
NANTONG GAOMENG NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The embodiment of the present invention provides a water-based adhesive for non-woven fabric composite film and its preparation method, which can solve the problems of poor environmental protection and damage to the health of users, which are mostly solvent-based adhesives used in non-woven fabric composite films.

Method used

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  • Aqueous adhesive for non-woven fabric composite membrane and preparation method of aqueous adhesive
  • Aqueous adhesive for non-woven fabric composite membrane and preparation method of aqueous adhesive
  • Aqueous adhesive for non-woven fabric composite membrane and preparation method of aqueous adhesive

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preparation example Construction

[0031] The above-mentioned preparation method for the water-based adhesive of the non-woven composite film specifically comprises the following steps:

[0032] Pre-emulsification: Put into the emulsification kettle the deionized water accounting for 40-50% of the total weight of deionized water, the alkylphenol ether phenol ammonium sulfate accounting for 50-60% of the total weight of alkylphenol ether phenol ammonium sulfate in the emulsifier, accounting for Sodium vinyl sulfonate with a total weight of 70-80% of sodium vinyl sulfonate and all monomers, started stirring and emulsifying for more than 30 minutes to obtain a pre-emulsion;

[0033] Seed reaction: put 40-45% of the total weight of deionized water into the reactor, the remaining ammonium alkylphenol ether ammonium sulfate in the emulsifier, the remaining sodium vinyl sulfonate, and buffering agent, start stirring and raise the temperature , when the temperature reaches 75°C, put 5-10wt% of the pre-emulsion obtained...

Embodiment 1

[0038] This embodiment provides a water-based adhesive for non-woven fabric composite film, which is a water-based composite adhesive with good wettability and better wettability with non-woven fabric, and can be used in non-woven fabric composite film , with high peel strength. The raw materials and consumption of this water-based adhesive are as follows:

[0039]

[0040] The preparation method of above-mentioned water-based adhesive is as follows:

[0041] (1) Pre-emulsification: drop into the emulsification kettle into deionized water accounting for 50% of the total weight of deionized water, alkylphenol ether ammonium sulfate accounting for 60% of the total weight of alkylphenol ether ammonium sulfate, accounting for the total weight of sodium vinylsulfonate 80% by weight of sodium vinyl sulfonate and all monomers, started stirring and emulsifying for more than 30 minutes to obtain a pre-emulsion;

[0042] (2) Seed reaction: drop into the reactor and account for 40% ...

Embodiment 2

[0046] This embodiment provides a water-based adhesive for non-woven fabric composite film, which is a water-based composite adhesive with good wettability and better wettability with non-woven fabric, and can be used in non-woven fabric composite film , with high peel strength. The raw materials and consumption of this water-based adhesive are as follows:

[0047]

[0048] The preparation method of above-mentioned water-based adhesive is as follows:

[0049] (1) Pre-emulsification: drop into the emulsification tank and account for 45% of the total weight of deionized water, and account for 55% of the total weight of alkylphenol ether ammonium sulfate. 75% by weight of sodium vinyl sulfonate and all monomers, started stirring and emulsifying for more than 30 minutes to obtain a pre-emulsion;

[0050] (2) Seed reaction: drop into the reactor and account for 45% of the total weight of deionized water, the remaining alkylphenol ether ammonium sulfate and the remaining sodium...

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Abstract

The invention discloses an aqueous adhesive for a non-woven fabric composite membrane and a preparation method of the aqueous adhesive, belonging to the field of manufacturing of adhesives. The adhesive comprises the following components of: deionized water, monomers, a composite emulsifier, an initiator, a buffering agent, a pH regulator and an aqueous addition agent, and the solid content of the adhesive is 40-50%. The monomers in the components of the adhesive comprise a hard monomer, soft monomers and functional monomers, wherein the hard monomer is styrene or methyl methacrylate, the soft monomers are butyl acrylate and iso-octyl acrylate, and the functional monomers are composed of crylic acid, hydroxy-propyl acrylate and N-methylol acrylamide. The monomers comprise the following components in percentage by mass: 20-40% of styrene or methyl methacrylate, 10-30% of iso-octyl acrylate, 30-50% of butyl acrylate, 1-5% of crylic acid, 1-5% of hydroxy-propyl acrylate and 1-5% of N-methylol acrylamide. The aqueous adhesive has the advantages of effectively improving wetting and flatting properties on the surface of a plastic film, ensuring that the plastic film has a better wettingproperty with the non-woven fabric, and enhancing the peeling strength.

Description

technical field [0001] The invention belongs to the field of adhesive manufacturing, in particular to a water-based adhesive for compounding non-woven fabrics and plastic films and a preparation method thereof. Background technique [0002] Non-woven fabrics do not have a weaving process. The fibers are terminated into fiber aggregates through mechanical, chemical or heat treatment methods, so the fiber aggregation can have diverse characteristics, and it is lighter than ordinary fibers and has excellent air permeability. It has been widely used in clothing. , filter materials, carpets, soft rags, wet wipes, etc., and non-woven fabrics are combined with plastic films (such as PE, PET, PVC films, etc.) to form medical disposable surgical gowns, disposable diapers, etc. There are products with better softness and breathability, and adhesives play a vital role in it. At present, solvent-based adhesives are commonly used. Although they have good bonding strength, due to the use...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J133/08C09J133/12C09J125/14C08F220/18C08F220/14C08F212/08C08F220/06C08F220/28C08F220/58C08F2/26C08F2/30
Inventor 陈小锋沈峰邓煜东
Owner NANTONG GAOMENG NEW MATERIAL
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