Document M4dpJj2mn1G7d4Ny94qMgjDnj

St. Louis - General Offices December 23, 1965 . Waychoff/pastorino/Orem/lyiuschlck --- JFQ Research J. R. Darby - JFQ Research R. M. Parks Pete Draghetti Monsanto Company R P & R Division Springfield, Massachusetts We appreciate your help and agreement to compare four Monsanto ` plasticizers with competitive plasticizers now being used for permanence in PVAc adhesives. Santicizers 262. 278_, 462 and are the products we would like to have compared with Reso- flex 296, Hereoflex 900 _and Harflex 34.P- Samples of these seven products have been sent to Dan Sullivan. . Our objective is to provide a permanent plasticizer for PVAc adhesives. The properties we would like to have compared are compatibility, volatility, migration, water resistance, wet tack and bond strength. There are probably other properties that you know of that are important for this application. We would appreciate evaluations of any other properties you feel should be checked such as dispersability, etc. In addition to the comparison data, vie would appreciate your opinion and comments as to the advantage's and disadvantages of our plasticizers versus the competitive products. Do we have a good product from these four condidates? Would you please let me know when this work can be completed? Thank you again for your help and cooperation? Ray Pastorino Plasticizer Sales STLCOPCB4092312