FIELD: polymeric materials. SUBSTANCE: composition has, wt.-%: milled waste of phenoplast (particle size is 0.25 mm, not more), phenolformaldehyde resin 20-30; urotropin 4.3-5.0; calcium or zinc stearate 1.2-1.8; phenoplast 27-30, and lime 0.8-1.1. EFFECT: diminished utilization of deficient raw, improved ecology. 1 tbl
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METHOD FOR MANUFACTURING GRANULATER GLASS-REINFORCED PHENOPLASTS BY UTILIZATION WASTE PRODUCTS OF PROPORTIONING GLASS-FIBER MATERIALS | 0 |
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Authors
Dates
1994-08-15—Published
1992-05-26—Filed