I glued a gauze sheet to my spider's breeding container (made of PP) with UHU superglue. After applying the glue and attaching the web, I read that the glue isn't suitable for PP. Does anyone know what's going to happen now? I don't want toxic gases or anything like that to start developing. The plastic looks foggy around the glued surface.
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The second adhesive adheres badly to polypropylene (PP) because the plastic does not have any groups capable of reacting with the adhesive on the surface. Secondary adhesive needs moisture and pores for holding, among others, OH groups or traces. Both PP cannot offer. Therefore, only the form-fit, which offers hardly more adhesion than glued to it with wax, remains.
The coating can be adhesive vapor which has precipitated in the environment and has used fingerprints and dust as condensation germ.
Toxic gases do not occur but PP with “normal” second glue stick does not work either because PP can only be glued with special adhesives.
The two-component custom adhesive “Plastix PP” from Pattex should work.
https://www.architekturbedarf.de/klebstoffe/plastic glue/setec-pattex-plastik-4ml?gclid=EAIaIQobChMImsLvk57r_gIVjwiLCh0r-wFTEAQYASABEgLcXfD_BwE
Thank you very much
Very welcome
LG
The solvent of the adhesive dissolves the plastic.
Does it result in the evaporation of toxic gases?
No, these are two false assumptions in one sentence!
Polypropylene is inert to almost all solvents. Therefore, screw caps for chemical bottles are made from them.
Secondary adhesive contains NO solvent. It consists of a monomer which polymerizes during curing.