ONE-PACK CURING COMPOSITION
Improved single pack curing compsn. comprises a cpd. (a) which has two or more structural gps. of general formula (I) (where R1, R2 and R3 are 1-6C alkyl, phenyl or chloromethyl) per molecule, and polymer (b) which has two or more isocyanate gps. per molecule. The mol. wt. of (a) lies between 200 an...
Gespeichert in:
Hauptverfasser: | , , , |
---|---|
Format: | Patent |
Sprache: | eng |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | Improved single pack curing compsn. comprises a cpd. (a) which has two or more structural gps. of general formula (I) (where R1, R2 and R3 are 1-6C alkyl, phenyl or chloromethyl) per molecule, and polymer (b) which has two or more isocyanate gps. per molecule. The mol. wt. of (a) lies between 200 and 10,000 and (a) is liq. at 20 deg.C. Compound (a) pref. has at least one structural part of (R5-O)s and -NHC(O)O- or -NHC(O)S- and (CH2-CH2OCH2OCH2CH2Sz)q, where R5 is 2-3C alkylene; s is 1-50 ; q is 1-25; and z is 1-4 with mean value of 2. (b) Has a mol. wt. of 500-20,000 and is the reaction product between an active hydrogen-contg. cpd. and polyisocyanate. |
---|