FIELD: production of heat- and hydroinsulation materials for protection of steel underground heat conductor against losses of heat and against affection of aggressive medium. SUBSTANCE: polymer-concrete mixture comprises, mas. %: polyisocyanate, 150-160; diethylene glycol, 43-60; triethanolamine, 5-15; talc, 200-450; acetone, 5-20. Heat resistance of coating is 423-443 K, coefficient of heat conductivity is 0.061 Wt/mK. EFFECT: improved quality of desired material.
| Title | Year | Author | Number |
|---|---|---|---|
| FOAMPOLYMERIC COMPOUND | 1993 |
|
RU2057097C1 |
| IMPREGNATED POLYMERCONCRETE MIX | 0 |
|
SU1047867A1 |
| COMPOSITION FOR PREPARING POLYMER CONCRETE INSULATION | 1996 |
|
RU2116272C1 |
| PROCESS FOR MANUFACTURE OF INSULATING POLYMER CONCRETE MATERIAL | 1992 |
|
RU2005731C1 |
| POLYMER-CONCRETE MIXTURE | 0 |
|
SU678039A1 |
| POLYMERIC MINERAL COMPOSITION | 1999 |
|
RU2151116C1 |
| EXPANDED POLYMER-MINERAL COMPOSITION | 2001 |
|
RU2214375C2 |
| POLYMER CONCRETE MIX FOR HEAT AND HYDRAULIC INSULATION OF PIPELINES | 0 |
|
SU1551691A1 |
| POLYMERIC CONCRETE MIX | 0 |
|
SU1010090A1 |
| POLYMER-CONCRETE MIX | 0 |
|
SU1470709A1 |
