PU gel and production process thereof

Abstract

The invention discloses a PU gel and a production process thereof. The PU gel comprises a PET film, wherein the upper end face and the lower end face of the PET film are respectively coated with oil glue and PU glue, and the upper side of the oil glue is covered with double-sided release paper, and the surface of the PU glue is covered with PET release paper. Compared with the conventional liquidglue, the PU gel is more convenient to use, non-toxic and harmless, low in production cost and price and convenient to use due to the fact that the PU gel can be used immediately after unpacked. Compared with the existing double-sided adhesive, the PU gel has high bonding strength and can keep a bonding effect for long time. The double-sided adhesive has different components and is applicable to bonding of objects in different materials and good in bonding effect.

Description

technical field [0001] The invention belongs to the gel field, and more specifically relates to a PU gel. Simultaneously, the invention also relates to a production process of PU gel. Background technique [0002] At present, most of the glues on the market contain a certain amount of formaldehyde and benzene solution. This kind of glue has the following disadvantages: one is high cost and expensive; the other is harmful to human body, long-term contact can cause various nerves Systemic diseases affect the physical and mental health of users; three are not conducive to widespread use, let alone environmental protection. Although there are also various glues in the prior art, they cannot be disassembled and used immediately, and it is inconvenient to use. The existing double-sided adhesive tape has poor bonding effect, weak bonding strength, and the glue components on both sides are the same, but in When using it, it is often encountered that items of different materials ar...

AI Technical Summary

Problems solved by technology

[0002] At present, most of the glues on the market contain a certain amount of formaldehyde and benzene solution. This kind of glue has the following disadvantages: one is high cost and expensive; the other is harmful to human body, long-term contact can cause various nerves Systemic diseases affect the physical and mental health of users; three are not conducive to widespread use, let alone the use of environmental protection

Although there are also various glues in the prior art, they cannot be disassembled and used immediately, and it is inconvenient to use. The existing double-sided adhesive tape has poor bonding effect, weak bonding strength, and the glue components on both sides are the same, but in When using it, it is often encountered that items of different materials are pasted together, so a PU gel with different ingredients on both sides of the glue is needed

Images