Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Process of treating scrap or waste product containing solid...
Patent
1997-08-21
1999-04-06
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Process of treating scrap or waste product containing solid...
521 495, 521 54, 521137, C08J 1104, C08J 9236
Patent
active
058919279
ABSTRACT:
Polyurethanes are recycled by comminution to particle sizes of from 0.01 to 2 mm and addition to the polyaddition mixture for preparing polyurethanes from
REFERENCES:
patent: 3256218 (1966-06-01), Knox
patent: 4692470 (1987-09-01), Bauman et al.
European Search Report Dated Jan. 20, 1998.
English Translation of EPO Search Report.
"Polyurethane Recycling-Status Report," K.W. Kroesen and D.A. Hicks, 1993, Cellular Polymers, Paper 16, pp. 1-6.
"Naphthalene-1,5-Diisocyanate as a Building Block for High Performance Polyurethane Elastomers" E.C. Prolingheuer, J.J. Lindsey, and H. Kleimann, 1989, Journal of Elastomers and Plastics, 21, 100-121.
Bruns Ute
Jeschke Torsten
Kriesmann Arne
Luderwald Michael-Christian
Peuker Hartmut
BASF - Aktiengesellschaft
Borrego Fernando A.
Foelak Morton
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