| 摘要 |
A composition and method for protecting pipeline joints is disclosed. A mold covers the exposed pipeline joint. A reaction composition including a polyol , an isocyanate, and an ester, preferably 2,2,4-trimethyl-1,2-pentanediol diisobutyrate, is added to the mold and allowed to react to form a polymer.< /SDOAB> |
