| abstract |
The present invention relates to the use of tetraalkylpyrimellatenas a plasticizer for PVC for usenin biomedical subjects. The pyromellates are smallerntoxic from conventionally used phthalates andntrimellites and weights are extracted with biological fluids,nwith whom they are in contact. Items you cannmade of PVC, which is plasticized in this way,nthey include dialysis tubes, catheters and blood bags |