PATENT ASSIGNEE'S COUNTRY | USA |
UPDATE | 02.00 |
PATENT ASSIGNEE | Air Products & Chemicals |
PATENT CLAIMS |
Method for making microcellular foam by reacting an organic polyisocyanate with diamine in the presence of blowing agent, which comprises making polyurea microcellular elastomeric foam having d. = 20-65 lb/cubic.ft (320-1041 kg/ cubic.M) by reacting polyisocyanate with - Oligomeric diamine which is a di-(para-aminobenzoate) of an oligomeric diol, a di-(aminobenzamide) of an oligome ric diamine or di-(aminobenzoate/amide) of an oligomeric compd having both -OH & -NH2 groups |
PATENT PHOTOCOPY | Available on request |
Want more information ? Interested in the hidden information ? Click here and do your request. |