HYDROXY-TERMINATED COPOLYMERS OF BUTADIENE AND ACRYLATES

• US 3,847,882 A
• Filed: 08/19/1971
• Issued: 11/12/1974
• Est. Priority Date: 11/25/1969
• Status: Expired due to Term

• Current Assignee: Baldwin M, Reed S
• Original Assignee: Baldwin M, Reed S
• Inventors: BALDWIN M, REED S
• Application Number:
  US05/173,282
• Time in Patent Office: 1,181 Days
• US Class Current: 526/241
• CPC Class Codes: C06B 23/007 Ballistic modifiers, burning rate catalysts, burning rate depressing agents, e.g. for gas generating
• CPC Class Codes: C06B 45/10 the organic component containing a resin
• CPC Class Codes: C08F 236/06 Butadiene
• CPC Class Codes: C08F 30/04 containing a metal

Abstract

1. THE HYDROXY-TERMINATED COPOLYMERS OF BUTADIENE AND FERROCENYL METHYL ACRYLATE PREPARED BY REACTING FERROCENYL METHYL ACRYLATE AND A SUITABLE POLYMERIZATION INITIATOR IN AN INERT ORGANIC SLVENT WITH BUTADIENE AT A REACTION TEMPERATURE AND FOR A REACTION TIME PERIOD SUFFICIENT FOR SAID REACTION TO TAKE PLACE ABOUT WHICH SOLVENT REMOVAL IS EFFECTED AND SAID COPOLYMERS ARE DRIED AT A SUITABLE DRYING TEMPERATURE WHILE UNDER REDUCED PRESSURE; SAID INITIATOR BEING SELECTED FROM AZO-BIS-(2-METHYL-5-HYDROGENVALERONITRILE), AND AZO-BIS(HYDROXYETHYL-2-METHYL PROPIONATE), TRILE), AND AZO-BIS(HYDROXYETHYL-2-METHYL PROPIONATE), SAID INERT ORGANIC SOLENT BEING SELECTD FROM TOLUENE, DIOXANE, AND DIMETHYL FORMAMIDE, SAID REACTION TEMPERATURE BEING IN THE RANGE OF ABOUT 60*C. TO ABOUT 80*C, SAID REACTION TIME BEING FROM ABOUT 24 HOURS TO ABOUT 120 HOURS, SAID DRYING IS ACCOMPLISHED AT A SUITABLE TEMPERATURE IN THE RANGE OF ABOUT 70*C. TO ABOUT 75*C. AND SAID REDUCED PRESSURE IS IN THE RANGE OF ABOUT 1 MILLIMETER, SAID COPOLYMERS BEING CHARACTERIZED BY A MOLECULAR WEIGHT IN THE RANGE FROM ABOUT 1000 TO ABOUT 10,000, HYDROXY-END GROUP CONTENT OF ABOUT 0.1 WEIGHT PERCENT TO ABOUT 2.5 WEIGHT PERCENT, AND AN IRON CONTENT OF ABOUT 0.74 PERCENT WEIGHT PERCENT TO ABOUT 12.0 WEIGHT PERCENT.

Claims

1. THE HYDROXY-TERMINATED COPOLYMERS OF BUTADIENE AND FERROCENYL METHYL ACRYLATE PREPARED BY REACTING FERROCENYL METHYL ACRYLATE AND A SUITABLE POLYMERIZATION INITIATOR IN AN INERT ORGANIC SLVENT WITH BUTADIENE AT A REACTION TEMPERATURE AND FOR A REACTION TIME PERIOD SUFFICIENT FOR SAID REACTION TO TAKE PLACE ABOUT WHICH SOLVENT REMOVAL IS EFFECTED AND SAID COPOLYMERS ARE DRIED AT A SUITABLE DRYING TEMPERATURE WHILE UNDER REDUCED PRESSURE;

SAID INITIATOR BEING SELECTED FROM AZO-BIS-(2-METHYL-5-HYDROGENVALERONITRILE), AND AZO-BIS(HYDROXYETHYL-2-METHYL PROPIONATE), TRILE), AND AZO-BIS(HYDROXYETHYL-2-METHYL PROPIONATE), SAID INERT ORGANIC SOLENT BEING SELECTD FROM TOLUENE, DIOXANE, AND DIMETHYL FORMAMIDE, SAID REACTION TEMPERATURE BEING IN THE RANGE OF ABOUT 60*C. TO ABOUT 80*C, SAID REACTION TIME BEING FROM ABOUT 24 HOURS TO ABOUT 120 HOURS, SAID DRYING IS ACCOMPLISHED AT A SUITABLE TEMPERATURE IN THE RANGE OF ABOUT 70*C. TO ABOUT 75*C. AND SAID REDUCED PRESSURE IS IN THE RANGE OF ABOUT 1 MILLIMETER, SAID COPOLYMERS BEING CHARACTERIZED BY A MOLECULAR WEIGHT IN THE RANGE FROM ABOUT 1000 TO ABOUT 10,000, HYDROXY-END GROUP CONTENT OF ABOUT 0.1 WEIGHT PERCENT TO ABOUT 2.5 WEIGHT PERCENT, AND AN IRON CONTENT OF ABOUT 0.74 PERCENT WEIGHT PERCENT TO ABOUT 12.0 WEIGHT PERCENT.