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PVC (polyvinyl chloride) adhesive film and preparation method thereof

A PVC film and adhesive film technology, applied in the direction of adhesives, film/sheet adhesives, graft polymer adhesives, etc., can solve the problems of poor temperature resistance, high moisture absorption, poor water resistance, etc. To achieve the effects of excellent atmospheric aging resistance, rapid drying and molding, and excellent chemical resistance

Active Publication Date: 2015-11-25
FUJIAN SINOSHIELD IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing solvent-based acrylic adhesive or solvent-based polyurethane adhesive cannot be well attached to the PE film, and a single solvent-based acrylic adhesive has poor temperature resistance and high moisture absorption; a single solvent Type polyurethane adhesive has poor water resistance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0040] The preparation method of PVC adhesive film is characterized in that, comprises the steps:

[0041] Step 1. Prepare the following raw materials in parts by weight: 36-38 parts of poly-1,4-butylene adipate diol, 32-34 parts of 4,4-methylene diphenyl diisocyanate, triethylamine 4-6 parts, 32-35 parts of dimethylol propionic acid, 44-46 parts of butyl acrylate, 44-46 parts of methyl methacrylate, 4-6 parts of glycidyl methacrylate, 1 hydroxypropyl acrylate ~3 parts, 3~9 parts of acrylic acid, 90~100 parts of N,N-dimethylformamide, 1~3 parts of potassium persulfate;

[0042] Add 4,4-methylene diphenyl diisocyanate and hydroxypropyl acrylate to the reactor and react at 48-50 degrees Celsius for 1-2 hours, then add polyadipate 1,4-butylene glycol ester diol and Dimethylol propionic acid and continue to react at 75-85 degrees Celsius for 3-5 hours, then cool down to 50-60 degrees Celsius, then add triethylamine, N,N-dimethylformamide and stir evenly, then add methacrylic acid...

Embodiment 1

[0048] Step 1. Prepare the following raw materials in parts by weight: 36 parts of 1,4-butylene adipate diol, 32 parts of 4,4-methylene diphenyl diisocyanate, 4 parts of triethylamine, two 32 parts of methylol propionic acid, 44 parts of butyl acrylate, 44 parts of methyl methacrylate, 4 parts of glycidyl methacrylate, 1 part of hydroxypropyl acrylate, 3 parts of acrylic acid, N, N-dimethylformaldehyde 90 parts of amide, 1 part of potassium persulfate;

[0049] Add 4,4-methylene diphenyl diisocyanate and hydroxypropyl acrylate to the reactor and react at 48 degrees Celsius for 1 hour, then add polyadipate 1,4-butylene glycol ester diol and dimethylol Propionic acid and continue to react at 75 degrees Celsius for 3 hours and then cool down to 50 degrees Celsius. At this time, add triethylamine, N, N-dimethylformamide and stir evenly, then add glycidyl methacrylate, butyl acrylate, methyl Mix methyl acrylate and acrylic acid evenly, add potassium persulfate, raise the temperatu...

Embodiment 2

[0054] Step 1. Prepare the following raw materials in parts by weight: 38 parts of 1,4-butylene adipate diol, 34 parts of 4,4-methylene diphenyl diisocyanate, 6 parts of triethylamine, two 35 parts of methylol propionic acid, 46 parts of butyl acrylate, 46 parts of methyl methacrylate, 6 parts of glycidyl methacrylate, 3 parts of hydroxypropyl acrylate, 9 parts of acrylic acid, N, N-dimethylformaldehyde 100 parts of amide, 3 parts of potassium persulfate;

[0055] Add 4,4-methylene diphenyl diisocyanate and hydroxypropyl acrylate to the reactor and react at 50 degrees Celsius for 2 hours, then add polyadipate 1,4-butylene glycol ester diol and dimethylol Propionic acid and continue to react at 85 degrees Celsius for 5 hours and then cool down to 60 degrees Celsius. At this time, add triethylamine, N, N-dimethylformamide and stir evenly, then add glycidyl methacrylate, butyl acrylate, methyl Mix methyl acrylate and acrylic acid evenly, add potassium persulfate, raise the tempe...

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Abstract

The invention provides a PVC (polyvinyl chloride) adhesive film which is used for packing matte plastic-powder baking-finish workpieces and has good water resistance, high viscosity and good atmosphere aging resistance. The PVC adhesive film comprises a PVC film and an adhesive adhering to the PVC film, wherein the adhesive is prepared from raw materials as follows: poly-1,4-butylene adipate glycol, 4,4 methylene diphenyl diisocyanate, triethylamine, dimethylolpropionic acid, butyl acrylate, methyl methacrylate, glycidyl methacrylate, hydroxypropyl acrylate, acyclic acid, N, N-dimethylformamide and potassium peroxodisulfate. The invention further provides a preparation method of the PVC adhesive film. The PVC adhesive film and the preparation method thereof have the benefits as follows: acrylic resin is modified by adopting polyurethane, N, N-dimethylformamide is taken as a medium, glycidyl methacrylate is taken as a cross-linking agent, the prepared adhesive cooperates with the PVC film, and the PVC adhesive film with low water absorption, high adhesive strength and excellent atmosphere aging resistance can be obtained.

Description

technical field [0001] The invention relates to the field of packaging films, in particular to a PVC adhesive film used for packaging sanded and baked varnish workpieces and a preparation method thereof. Background technique [0002] There are two main types of fire doors, one is bright baking varnish, and the other is matt plastic powder baking varnish. Fire doors need to be packed with special packaging film before leaving the factory. PE water-adhesive film is a commonly used packaging film for fire doors with glossy paint, but it is not suitable for fire doors with matt plastic powder paint. The purpose of the product. So now we can only use double-sided tape to paste the PE water film on the fire door, and then pack the fire door with matt plastic powder baking paint in a packaging bag. This packaging method is not only time-consuming and labor-intensive, but also cannot guarantee the packaging. reliability. [0003] The above-mentioned PE water glue film is made by...

Claims

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Application Information

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IPC IPC(8): C09J7/02C09J151/08C08F283/00C08F220/32C08F220/18C08F220/14C08F220/06C08G18/76C08G18/67C08G18/66C08G18/42C08G18/34
Inventor 吴相林蔡才生
Owner FUJIAN SINOSHIELD IND CO LTD
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