Polymer compositions and uses thereof
OwnerJo Ann Arceneaux, Peter Weissmaninventors
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Abstract
A process comprising the steps of a) reacting in an esterification reaction (i) a plurality of different plyols with; (ii) a plurality of different polycarboxylic acids and/or precursors therefor; in a manner to retain a plurality of free hydroxy groups in the resultant polyester(s) and retain substantial amounts of un-crosslinked polyesters in the resultant product; followed by b) reacting substantially all of the free hydroxy groups present in the resultant mixture of polyesters with an acrylating agent; to form a mixture having a hydroxy (OH) number (measured using ASTM E222-73) of no more than about 100 mg KOH/g. Use of the mixture as a composition for lithographic or flexographic inks. 1
Claims20
A composition comprising at least one compound of Formula 1:
- 4
- in which
- n and/or m independently represent 0 or 1;
- and/or q independently represent an integer from 1 to 5;
- R1 to R3 represent independently, H, optional substituent(s) and/or C1-30organo;
- Y1 and y2 independently represent oxy, thioxy and/or optionally organo substituted imino;
- Z1 and Z2 independently represent a divalent moiety selected from an optional substituent and/or C1-60organo;
- and
- W1 represents a mono to hexavalent C1-30organo moiety where each of the Y1 and the Y2 moiet(ies) may be attached to the same and/or different atoms thereon;
- with the proviso(s) that the composition comprises:
- (a) at least three different compounds of Formula 1;
- (b) at least one compound of Formula 1 where at least three of the moieties attached to W1 are different;
- and/or
- (c) further comprises at least two different polyols derivable from a compound of Formula 1 and/or a component thereof.
A composition according to claim 9, in which Y1 and Y2 are independently —O— or —NH—.
A composition according to claim 10, in which Y1 and Y2 are both —O—.
A composition comprising
- (I) a plurality of different compounds and/or polymers each compound and/or polymer comprising two terminal organo moieties and a central organo moiety;
- where each terminal moiety comprises three hydrocarbylidenylcarbonyloxy groups and each terminal moiety is attached to the central moiety via an oxycarbonyl group;
- (III) a plurality of different end capping reagents comprising at least three hydrocarbylidenylcarbonyloxy groups;
- where the mixture comprises at least one polymer or compound having different terminal groups thereon.
A process comprising the steps of
- (a) reacting in an esterification reaction
- (i) a plurality of different polyols with;
- (iii) a plurality of different polycarboxylic acids and/or precursors therefor;
- in an manner to retain a plurality of (preferably three) free hydroxy groups in the resultant polyester(s) and retain substantial amounts of un-cross-linked polyesters in the resultant product;
- followed by
- (b) reacting substantially all of the free hydroxy groups present in the resultant mixture of polyesters with an acrylating agent;
- to form mixture comprising:
- at least one acrylated polyester having terminal ester groups thereon derived from different polyols;
- and a plurality of acrylated polyols;
- the mixture having a hydroxy (OH) number (measured using ASTM E222-73) of no more than about 100 mg KOH/g, optionally the mixture being substantially free of hydroxy comprising species.
A method of preparing an ink comprising the steps of mixing a composition as claim in any preceding claim with a suitable carrier medium.
Dependencies are inferred from the claim text.