| 摘要 |
1509133 Diphenylthioureas to stabilize polyethylene RUHRCHEMIE AG 26 Jan 1976 [1 Feb 1975] 2903/76 Heading C3K Polyethylene having a molecular weight above 1,000,000 is stabilized by the incorporation therein of diphenyl thiourea of formula wherein R1 and R2 are each H, C1-8 alkyl, or C1-4 alkoxy provided that at least one of R1 and R2 is not H. |
