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Emulsion polymer adhesive used for waterproof, oil-proof and antifriction thermal sensitive paper

A technology of emulsion polymer and adhesive, which is applied in papermaking, paper coating, textiles and papermaking, etc. It can solve the problems of product quality not meeting the requirements, low chroma of paper-based coating, waste, etc., and achieve strong printing adaptability, Long service life and good viscosity stability

Inactive Publication Date: 2010-11-17
XIANGTAN BAILI NEW MATERIAL RES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] 3. Low chroma of paper base coating
[0012] There are many kinds of chemicals used in thermal paper, but the research on adhesives for three-proof thermal paper is still blank. The key to the production of three-proof thermal paper is adhesives. At present, some thermal papers are produced using PVA modification, or other Adhesives, the product quality does not meet the requirements, resulting in a lot of waste

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] The total weight of the emulsion polymer adhesive used for three-proof heat-sensitive paper in this embodiment is 1000 kilograms, wherein 30 kilograms of PVA, 90 kilograms of acrylamide, 4 kilograms of methacrylic acid, 40 kilograms of butyl acrylate, 40 kilograms of methyl methacrylate, 15 kg of hydroxypropyl methacrylate and 30 kg of acrylonitrile. 0.5 kg of ammonium persulfate, 5 kg of sodium lauryl sulfate, 10 kg of N-methylolacrylamide, 735.5 kg of water, first add water to the reaction kettle, heat up to 90-95°C to dissolve PVA, and then cool to 80°C Add sodium lauryl sulfate, and start to drop the mixed monomers (acrylamide, acrylic acid, butyl acrylate, methyl methacrylate, hydroxypropyl methacrylate, acrylonitrile and N-methylol acrylamide) and Ammonium persulfate, drop in 3-4 hours, heat up to 90°C for 1 hour, cool to obtain the finished product.

Embodiment 2

[0031] The total weight of the emulsion polymer adhesive used in this embodiment for three-proof heat-sensitive paper is 1000 kilograms, wherein 40 kilograms of modified starch, 85 kilograms of acrylamide, 5 kilograms of methacrylic acid, 50 kilograms of butyl acrylate, methyl methacrylate 50 kg, 12 kg of hydroxypropyl methacrylate, 25 kg of acrylonitrile. 0.8 kg of potassium persulfate, 3 kg of sodium lauryl sulfate, 15 kg of methylol acrylamide, 714.2 kg of water, first add water to the reaction kettle, heat up to 90-95 ° C to gelatinize the modified starch, and then cool to 80 Add sodium lauryl sulfate at ℃, and start to drop mixed monomers (acrylamide, methacrylic acid, butyl acrylate, methyl methacrylate, hydroxypropyl methacrylate, acrylonitrile and N-methylol propylene amide) and potassium persulfate, drop it in 3-4 hours, raise the temperature to 90°C for 1 hour, and cool to obtain the finished product.

Embodiment 3

[0033] The total weight of the emulsion polymer adhesive used in the three-proof heat-sensitive paper in this embodiment is 1000 kilograms, wherein 50 kilograms of modified starch, 80 kilograms of acrylamide, 6 kilograms of acrylic acid, 45 kilograms of butyl acrylate, and 45 kilograms of methyl methacrylate , 10 kg of hydroxypropyl methacrylate, and 20 kg of acrylonitrile. Potassium persulfate 1 kg, sodium lauryl sulfate 6 kg, N-methylolacrylamide 20 kg, water 717 kg, first add water to the reaction kettle, heat up to 90-95 ° C to gelatinize the modified starch, and then cool Add sodium lauryl sulfate to 80°C, and start to drop mixed monomers (acrylamide, acrylic acid, butyl acrylate, methyl methacrylate, hydroxypropyl methacrylate, acrylonitrile and N-methylol propylene amide) and potassium persulfate, drop it in 3-4 hours, raise the temperature to 90°C for 1 hour, and cool to obtain the finished product.

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PUM

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Abstract

The invention belongs to chemical materials in the field of new materials, in particular to an emulsion polymer adhesive used for waterproof, oil-proof and antifriction thermal sensitive paper. The emulsion polymer adhesive comprises the following components in percentage by weight: acrylamide, acrylic acid or methacrylic acid, butyl acrylate, methyl methacrylate, hydroxypropyl methacrylate, acrylonitrile and the like. The emulsion polymer adhesive used for the waterproof, oil-proof and antifriction thermal sensitive paper has the advantages of high viscosity stability, heat resistance, bonding strength, color sensitivity and waterproof, oil-proof and antifriction performance and capability of meeting the environmental protection requirement.

Description

[0001] technical field [0002] The invention belongs to chemical materials in the field of new materials, in particular to an emulsion polymer adhesive used for three-proof heat-sensitive paper. Background technique [0003] Thermal paper was industrialized in the 1970s by NCR Corporation of the United States. The world’s thermal paper is increasing at a rate of 20-25% per year, and its application fields are constantly expanding, except for some commercial and household thermal faxes. Outside the machine, more thermal paper is also widely used in word processors, printing records of medical testing and industrial testing, printing of automatic cash payment machines and portable terminal printers, receipt records of highways, taxis, etc., and the rapid development thermal labels and tickets. Three-proof thermal paper is mainly used for thermal labels (food packaging, logistics label paper), train tickets, movie tickets, lottery tickets, plane boarding passes, etc. Three-p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F261/04C08F251/00C08F220/56C08F220/06C08F220/18C08F220/14C08F220/28C08F220/44C08F220/58D21H21/14D21H19/12
Inventor 谭立春
Owner XIANGTAN BAILI NEW MATERIAL RES
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