| 摘要 |
<p>POLYMERS ARE DESCRIBED THAT ARE PREPARED FROM DI AND MONO-FUNCTIONAL SILICONE AND SILANE MONOMERS OF FORMULA 1 IN WHICH Y REPRESENTS A DIRECT BOND OR A OXY GROUP; R1 REPRESENTS AN OPTIONALLY SUBSTITUTED ORGANO GROUP WITH AT LEAST ONE DOUBLE BOND WHICH OPTIONALLY MAY BE AN ACTIVATED UNSATURATED MOIETY SUCH AS A (METH) ACRYLATE GROUP:FOR EXAMPLE 1-N-PROPOXY(ACRYLATE) OR ETHENYL; AND R2 AND R3 EACH SEPARATELY, AND INDEPENDENTLY WITHIN EACH OPTIONAL REPEAT UNIT, REPRESENT AN OPTIONALLY SUBSTITUTED HYDROCARBO, HYDROCARBO(OXY) , HYDROSILICO AND/OR HYDROSILICO(OXY) GROUPS; OR EXAMPLE, METHYL; OR TRIMETHYLSILOXY; R4 INDEPENDENTLY REPRESENTS AN OPTIONALLY SUBSITITUTED ORGANO GROUP WITH AT LEAST ONE DOUBLE BOND (SUCH AS R1 ABOVE) AN OPTIONALLY SUBSITITUTED HYDROCARBO, AND/OR HYDROSILICO GROUP FOR EXAMPLE TRIMETHYLSILYL OR ETHENYL; AND N IS FROM ABOUT 0 TO ABOUT 2000; PREFERABLY FROM ABOUT 1 TO ABOUT 100, FOR EXAMPLE N IS 1. SUCH POLYMER PRECURSORS CAN BE USED TO PREPARE FLOW MODIFYING AGENTS, DEFOAMERS AND/OR PRESSURE SENSITIVE ADHESIVES.</p> |
