| 摘要 |
<p>A RADIATION-CURABLE POWDER COMPOSITIONS FOR USE AS VARNISH OR PAINT WHICH COMPRISES AT LEAST ONE CRYSTALLINE POLYESTER CONTAINING END METHACRYLYL GROUPS COMPRISING THE REACTION PRODUCTS OF GLYCIDYL METHACRYLATE AND OF A CRYSTALLINE POLYESTER CONTAINING END CARBOXYL GROUPS IS DESCRIBED. THE SAID CRYSTALLINE POLYESTER CONTAINING END CARBOXYL GROUPS IS EITHER (A) A POLYESTER WHICH IS THE REACTION PRODUCT OF (1) AN ACID CONSTITUENT WHICH CONTAINS (A.1.1) 85 TO 100 MOL OF TEREPHTHALIC ACID OR OF 1,4-CYCLOHEXANEDICARBOXYLIC ACID AND (A.1.2) 0 TO 15 MOL OF AT LEAST ONE OTHER ALIPHATIC, CYCLOALIPHATIC OR AROMATIC DI- OR POLYCARBOXYLIC ACID HAVING FROM 4 TO 14 CARBON ATOMS, AND (2) AN ALCOHOL CONSTITUENT WHICH CONTAINS (A.1. 2) 85 TO 100 MOL OF A SATURATED, STRAIGHT-CHAIN,ALIPHATIC DIOL HAVING FROM 2 TO 12 CARBON ATOMS AND (A.2.2) 0 TO 15 MOL OF AT LEAST ONE OTHER ALIPHATIC OR CYCLOALIPHATIC DI- OR POLYOL HAVING FROM 2 TO 15 CARBON ATOMS; OR (B) A POLYESTER WHICH IS THE REACTION PRODUCT OF (1) AN ACID CONTITUENT WHICH CONTAINS (B.1.1) 85 TO 100 MOL OF A SATURATED, STRAIGHT-CHAIN, ALIPHATIC DICARBOXYLIC ACID HAVING FROM 4 TO 14 CARBON ATOMS AND (B.1.2) 0 TO 15 MOL OF AT LEAST ONE OTHER ALIPHATIC, CYCLOALIPHATIC OR AROMATIC DI- OR POLYCARBOXYLIC ACID HAVING FROM 4 TO 14 CARBON ATOMS, AND (2) AN ALCOHOL CONSTITUENT WHICH CONTAINS (B.2.1) 85 TO 100 MOL OF 1, 4-CYCLOHEXANEDIOL, OF 1, 4-CYCLOHEXANEDIMETHANOL OR OF ETHYLENE GLYCOL AND (B.2.2) 0 TO 15 MOL OF AT LEAST ONE OTHER ALIPHATIC OR CYCLOALIPHATIC DI- OR POLYOL HAVING FROM 2 TO 15 CARBON ATOMS.</p> |
