from goldschmidt eb dose 30 kgy pvsc poly vinyl stearylcarbamate average molecular mass about 90 000 g mol softening point 92 107 u00b0 c mettler fp800 for the materials listed in the above table the release forces with respect to the abovementioned adhesive composition were determined and the number of tears was determined comparatively in the practical bonding test likewise mentioned above the results obtained are listed below ______________________________________no release force tears practical test ______________________________________1 gt 10 n cm 802 0 04 u00b1 0 01 n cm 03 0 04 u00b1 0 01 n cm 04 0 085 u00b1 0 015 n cm5 0 14 u00b1 0 02 n cm 106 0 04 u00b1 0 01 n cm 07 2 0 u00b1 1 0 n cm 308 0 04 u00b1 0 01 n cm 09 n cm ______________________________________ by using the release coated films a drastic reduction in the tearing tendency is achieved in accordance with the tearing test described above the following pieces of adhesive film were investigated ______________________________________ number of tears grip central gripno grip tab a grip tab b tab a region tab b______________________________________1 25 u03bcm petp 25 u03bcm petp 5 0 5no release no releasecoating coating2 25 u03bcm petp 12 u03bcm petp 5 0 5no release no releasecoating coating3 25 u03bcm petp 25 u03bcm bopp 5 0 5no release no releasecoating coating4 25 u03bcm petp 25 u03bcm petp 9 0 1no release siliconecoating coating c5 25 u03bcm petp 25 u03bcm petp 10 0 0no release siliconecoating coating b6 25 u03bcm petp 25 u03bcm petp 10 0 0no release no siliconecoating coating a7 25 u03bcm petp 25 u03bcm petp 5 0 5silicone siliconecoating c coating c8 25 u03bcm petp 25 u03bcm petp 10.