B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/1120, 18/952
B29C 43/02 (2006.01) B27N 3/02 (2006.01) B27N 3/04 (2006.01) C08G 8/04 (2006.01) C08L 97/02 (2006.01)
Patent
CA 2018987
Abstract of the Disclosure In the process for the production of a molded body having a pressed core of solid inert particles which are coated with a thermoset phenolic resin, phenolic compounds on a basis of bisphenol, in particular a bis(hydroxyphenyl)alkane, and at least one compound which produces formaldehyde, and also a catalyst and optionally further additives customarily employed in the preparation of phenolic resins are mixed together with the inert particles The mixture of particles obtained, preferably after precompressing and preforming, is pressed to form the molded body. During pressing under the action of heat formaldehyde is set free and the phenolic resin is completely cross-linked.
Driessen Louis G.m.
Hemels Martin H.a.
Schuren Geert W.
Driessen Louis G.m.
Fetherstonhaugh & Co.
Hemels Martin H.a.
Hoechst Aktiengesellschaft
Schuren Geert W.
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