Adhesive formulations for PVC products

formula

Component dosage /g component dosage /g
Protective Glue Copolymer (30% Solids) Acrylic 10 Methacrylic Acid 30
Butyl Methacrylate 50 Octadecyl Methacrylate 20


Preparation A copolymer was prepared in the amount of the above components. The copolymer was neutralized with liquid ammonia (20 g/h) and water (80 g/h). This was mixed with EVA (100 g/h) in an extruder to obtain a dispersion containing EVA 53% and a pH of 8. 10 parts (parts by mass) of the dispersion were mixed with 90 parts (parts by mass) of the PVC dispersion (the two parts were evenly measured in terms of solids) to obtain a binder.

Use The glue is used for heat sealing bonding of PVC containers and their lids.

Source: 21st Century Fine Chemicals Network

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