Joining PET with PET (nonbranded solvent based please)

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A user is seeking a solvent-based liquid glue to bond two transparent PET sheets without causing opacity. Previous attempts with chloroform and dichloromethane resulted in a white fog on the sheets. Another participant suggests using potassium hydroxide (KOH) in a specific ratio to achieve better results, noting that it can reduce viscosity for clearer bonding. However, there is skepticism about the solubility of solid KOH in chloroform or dichloromethane, raising concerns about whether a homogeneous solution can be achieved. The discussion emphasizes the need for caution when using KOH due to its harmful nature and seeks clarification on how to effectively combine these substances for optimal adhesion.
tonny chandra
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Hi all! I am searching for solvent based liquid glue for adhering 2 transparent PET sheets together. I tried chloroform and dichloromethane, the PET sheets were adhered but resulting of opaque white fog on my transparent PET sheets. Could someone please advice me another nonbranded chemical liquid to adhere them? I am looking for a nice clear bonding result.
 
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I used to face the same problem as you are.Of course you can't adhered pet material with chloroform or even dichloromethane without facing the whiten surface cases,You have to combine them with other material which reduce the viscocity to get the best result.I used to use potassium hydroxide by 20 to 80 percentage,and it got the best results.but please careful since this's a harmful substances,hope this helpful for you.
 
potassium hydroxide? You do mean solid KOH flakes,don't you. I am not sure that it will dissolve in either choloroform or dicholoromethane,even with heating. The KOH powder will surely inhibit the solvent property of the choloroform,if applied in the form of such suspension,won't it. Could you please tell me how did you have a homogene solution of the liquid choloroform and the solid KOH? Or did you have a specific way to apply them to get a nice bonding result?
 
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