Method for treating failure glue by using constant-temperature water bath

A technology of constant temperature water bath and complete failure, which is applied in the field of solid glue to achieve the effects of reducing waste rate, saving resources and reducing environmental pollution

Inactive Publication Date: 2020-02-07
琼台师范学院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But little research has been done on how to restore stickiness to dead glue sticks

Method used

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  • Method for treating failure glue by using constant-temperature water bath
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  • Method for treating failure glue by using constant-temperature water bath

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Embodiment Construction

[0020] The technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0021] A kind of method utilizing constant temperature water bath to process invalid glue, comprises the following steps,

[0022] (1) To invalidate the stickiness of the glue stick: take a stick with a mass of m s The glue stick marked No. 1 was exposed to the air, and the remaining mass was measured every 2 days, recorded as m n (n is 2, 4, 6...), when the glue stick fails completely, the quality record is m t , to calculate the mass remaining rate and mass loss change rate of the glue stick...

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Abstract

The invention discloses a method for treating failure glue by using a constant-temperature water bath. The method comprises the following steps: enabling the viscosity of a glue stick to fail: exposing one glue stick with the mass of ms marked as No. 1 to air, placing the other glue stick in a blast electric heating constant-temperature drying box, and baking to fail, wherein the glue stick is marked as No. 2; placing the failed No. 2 glue stick on gauze, placing the gauze on a digital display constant-temperature water bath kettle, covering glue blocks with a large beaker, adjusting the temperature of the water bath kettle, setting different times, respectively taking out the glue blocks, and checking the effect of viscosity recovery; measuring the bonding performance; storing the glue blocks recovered in viscosity at an ambient temperature of 20 to 40 DEG C for a certain period of time, and examining the use effects. The method has the beneficial effects that the water temperature of80 DEG C is steamed for 30 min in the constant-temperature water bath kettle, the viscosity recovery effect is good, the viscosity of the glue stick is recovered in a simple and easy way, and the waste rate of the product is reduced, and the method has certain significance for saving resources and reducing environmental pollution.

Description

technical field [0001] The invention relates to the technical field of solid glue, in particular to a method for treating invalid glue by using a constant temperature water bath. Background technique [0002] In recent years, the development of adhesives has been extensive, such as nano-adhesives, high-temperature-resistant adhesives, ultra-low-temperature adhesives, conductive adhesives, magnetic-conductive adhesives, sealing adhesives, photosensitive adhesives, etc. . Solid glue is also a kind of adhesive. Nowadays, solid glue is widely used, and solid glue is used in offices and when students are doing homework. Most of the main components of solid glue used in our daily life are polyvinyl alcohol. Polyvinyl alcohol (PVA) has good adhesion to porous and hydrophilic surfaces such as wood, paper, textiles and leather surfaces, and is widely used in the production of adhesives, coatings, emulsifiers, textiles, and paper processing products such as agents and plastic film...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J9/00
CPCC09J9/005
Inventor 曹阳许天委张晓琳丁兆建吴小霞
Owner 琼台师范学院
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