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A kind of vacuum suction plastic with high peeling strength and preparation method thereof

A vacuum suction and high peeling technology, which is applied in the field of plastic suction, can solve the problems of low peeling strength, achieve the effects of increasing peeling strength, reducing dependence, and improving interface performance

Active Publication Date: 2021-10-01
东莞市冠力胶业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing polyurethane blisters generally have the problem of low peel strength

Method used

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  • A kind of vacuum suction plastic with high peeling strength and preparation method thereof
  • A kind of vacuum suction plastic with high peeling strength and preparation method thereof
  • A kind of vacuum suction plastic with high peeling strength and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A preparation method of vacuum-absorbing plastic with high peel strength, comprising the steps of:

[0033] (1) Add 17.5 parts by weight of epoxidized soybean oil, 0.04 parts by weight of polymerization inhibitor and 0.07 parts by weight of triphenylphosphine in the reactor, heat up to 87 ° C, and slowly add 3 parts by weight of Acrylic acid, then heated up to 115°C, reacted for 6.8h, and then distilled under reduced pressure to obtain epoxy soybean oil acrylate;

[0034] (2) Get the epoxidized soybean oil acrylate obtained in step (1), 4 parts by weight of acrylic acid, 7 parts by weight of hydroxypropyl acrylate, and 0.4 parts by weight of emulsifier, add to 45 parts by weight of deionized water, after stirring, Add 0.15 parts by weight of an initiator, raise the temperature to 88° C., and react for 1.6 hours to obtain an epoxy soybean oil-modified polyacrylate mixed solution;

[0035] (3) Add 45 parts by weight of polycaprolactone triol, 15 parts by weight of polypr...

Embodiment 2

[0043] A preparation method of vacuum-absorbing plastic with high peel strength, comprising the steps of:

[0044] (1) Add 15 parts by weight of epoxidized soybean oil, 0.03 parts by weight of polymerization inhibitor and 0.05 parts by weight of triphenylphosphine in the reactor, raise the temperature to 85 ° C, and slowly add 2 parts by weight of Acrylic acid, then heated up to 110°C, reacted for 6.5h, and then distilled under reduced pressure to obtain epoxy soybean oil acrylate;

[0045] (2) Get the epoxidized soybean oil acrylate obtained in step (1), 3 parts by weight of acrylic acid, 6 parts by weight of hydroxypropyl acrylate, and 0.3 parts by weight of emulsifier, and add them to 40 parts by weight of deionized water, after stirring evenly, Add 0.1 parts by weight of an initiator, raise the temperature to 85° C., and react for 1.5 hours to obtain an epoxy soybean oil-modified polyacrylate mixed solution;

[0046] (3) Add 40 parts by weight of polycaprolactone triol, 1...

Embodiment 3

[0054] A preparation method of vacuum-absorbing plastic with high peel strength, comprising the steps of:

[0055] (1) Add 20 parts by weight of epoxidized soybean oil, 0.05 parts by weight of a polymerization inhibitor and 0.1 parts by weight of triphenylphosphine in the reactor, raise the temperature to 90°C, and slowly add 4 parts by weight of Acrylic acid, then heated up to 120°C, reacted for 7h, and then distilled under reduced pressure to obtain epoxy soybean oil acrylate;

[0056] (2) Get the epoxy soybean oil acrylate obtained in step (1), 5 parts by weight of acrylic acid, 8 parts by weight of hydroxypropyl acrylate, and 0.5 parts by weight of emulsifier, and add them to 50 parts by weight of deionized water, after stirring evenly, Add 0.2 parts by weight of an initiator, raise the temperature to 90°C, and react for 2 hours to obtain a mixed solution of epoxy soybean oil-modified polyacrylate;

[0057] (3) Add 50 parts by weight of polycaprolactone triol, 20 parts by...

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Abstract

The invention relates to the technical field of plastic absorbing plastics, in particular to a vacuum plastic absorbing plastic with high peel strength and a preparation method thereof, comprising the following raw materials: polycaprolactone triol, polypropylene glycol, diisocyanate, and epoxy soybean oil-modified polyacrylate Mixture, catalyst, acetone, chain extender, ethylenediamine, and deionized water. The vacuum-absorbing adhesive of the present invention has higher solid content and lower thermal activation temperature, so the curing speed is faster and the film-forming time is shorter.

Description

technical field [0001] The invention relates to the technical field of plastic suction, in particular to a vacuum plastic suction with high peel strength and a preparation method thereof. Background technique [0002] Vacuum blister technology is widely used in the manufacture of computer desks, dressing tables, cabinets, door panels and furniture. The construction process is to cover the PVC film on the density board that has been dried after spraying glue, heat and soften the PVC through a vacuum suction machine and activate the plastic suction glue, use vacuum to remove the air between the PVC film and the density board film, rely on the atmosphere The pressure makes the PVC film stick tightly to the MDF. The biggest feature of this process is that it does not need to spray paint or paint. It is a paint-free process. This feature is especially important in the preparation of door panels and furniture. [0003] The adhesive used in the vacuum suction process is called va...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G18/66C08G18/62C08G18/48C08G18/42C08G18/40C08G18/36C08G18/32C08G18/34C09J175/14
CPCC08G18/3228C08G18/348C08G18/36C08G18/3855C08G18/4018C08G18/4063C08G18/4277C08G18/48C08G18/6229C08G18/6629C09J175/14
Inventor 赵建国
Owner 东莞市冠力胶业有限公司
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