초록 ▼

The present invention provides compositions and method of using an aldimine oxazolidine compound having the formula: [Figure] wherein: R1, R2, R3, R4, R5, R6, R7 and R8 are, individually, a hydrogen atom, a methyl or methylol group, an ethyl or ethylol group, a straight chain or branched chain alkyl

The present invention provides compositions and method of using an aldimine oxazolidine compound having the formula: [Figure] wherein: R1, R2, R3, R4, R5, R6, R7 and R8 are, individually, a hydrogen atom, a methyl or methylol group, an ethyl or ethylol group, a straight chain or branched chain alkyl or alkanol group, a cycloalkyl group, or an aryl group, including any of the above groups substituted by nitro, halogen, thiol and amino functional groups, such that when R5, R6, R7 and R8 are hydrogen atoms, R3 and R4 are not hydrogen atoms, further, R7 and R8 cannot simultaneously be hydrogen atoms; m and n are integers of one to three, and m+n is between two and four; and X is a covalent bond between the nitrogen atom of the aldimine group and the nitrogen atom of the oxazolidine group or an (m+n-valent methylene group, ethylene group, straight chain or branched chain alkylene group, cycloalkylene group, or arylene group, including any of the above X

대표청구항 ▼

A method of improving the pot life of a polyisocyanate composition, comprising admixing with the composition, an effective amount of an aldimine oxazolidine compound having the formula: [Figure] wherein: R1, R2, R3, R4, R5, R6, R7 and R8 are, individually, a hydrogen atom, a methyl or methylol group

A method of improving the pot life of a polyisocyanate composition, comprising admixing with the composition, an effective amount of an aldimine oxazolidine compound having the formula: [Figure] wherein: R1, R2, R3, R4, R5, R6, R7 and R8 are, individually, a hydrogen atom, a methyl or methylol group, an ethyl or ethylol group, a straight chain or branched chain alkyl or alkanol group, a cycloalkyl group, or an aryl group, including any of the above groups substituted by nitro, halogen, thiol and amino functional groups, such that when both R7 and R8 are hydrogen atoms, neither R3 nor R4 are hydrogen atoms; m and n are integers of one to three, and m+n is between two and four; and X is a covalent bond between the nitrogen atom of the aldimine group and the nitrogen atom of the oxazolidine group or an (m+n)-valent methylene group, ethylene group, straight chain or branched chain alkylene group, cycloalkylene group, or arylene group, including any of the above X groups substituted by nitro, halogen, thiol and amino functional groups.