Claims
- 1. A polyester resin, formed from:
- a dicarboxylic acid selected from the group consisting of terephthalic acid, isophthalic acid and mixtures thereof;
- a diol of the formula (I): ##STR11## wherein each of R.sub.1 and R.sub.2 represents an alkylene group having from one to twelve carbon atoms; and
- a cross-linking agent having an acryloyloxy group or a methacryloyloxy group which is cured by an activating energy ray.
- 2. A recording medium for a sublimation-type heat-sensitive transfer recording process, comprising:
- a substrate, and
- a dye receptive layer comprising the polyester resin of claim 1.
- 3. A polyester resin, formed from:
- a dicarboxylic acid selected from the group consisting of terephthalic acid, isophthalic acid and mixtures thereof;
- a diol component comprising 40-80 molar % with respect to the total diol component of a diol of the formula (I): ##STR12## wherein each of R.sub.1 and R.sub.2 represents a alkylene group having from one to twelve carbon atoms; and
- a cross-linking agent having an acryloyloxy group or a methacryloyloxy group which is cured by an activating energy ray.
- 4. The polyester resin of claim 1, wherein said diol is selected from the group consisting of 1,4-cyclohexanedimethanol, 1,4-cyclohexanediethanol, 1,4-cyclohexanediisopropanol, 1,4-cyclohexanedipropanol, 1,4-cyclohexanedihexanol, and 1,4-cyclohexanedidodecanol.
- 5. The polyester resin of claim 4, wherein said diol is 1,4-cyclohexanedimethanol.
- 6. A polyester resin, formed from:
- a dicarboxylic acid selected from the group consisting of terephthalic acid, isophthalic acid and mixtures thereof;
- a diol component comprising 5-80 molar % with respect to the total diol component of a diol of the formula I): ##STR13## wherein each of R.sub.1 and R.sub.2 represents an alkylene group having from one to twelve carbon atoms, and 95-20 molar % with respect to the total diol component of a diol of the formula (II):
- HO--R.sub.3 --OH (II)
- wherein R.sub.3 represents a straight-chain alkylene group having form 1 to 3 carbon atoms, which may be substituted with one or two methyl groups; and
- a cross-linking agent having an acryloyloxy group or a methacryloyloxy group which is cured by an activating energy ray.
- 7. The polyester resin of claim 1, having an intrinsic viscosity of 0.3-0.8 dl/g, measured at 25.degree. C. in a 1/1 phenol/1,1,2,2-tetrachloroethane mixture.
- 8. The polyester resin of claim 7, wherein said intrinsic viscosity is 0.4-0.6 dl/g.
- 9. The polyester resin of claim 1, wherein said cross-linking agent is a polyether acrylate, a polyester (meth)acrylate, a polyol (meth)acrylate, an epoxy (meth)acrylate, an amidourethane (meth)acrylate, a urethane (meth)acrylate, a spiroacetal (meth)acrylate or a polybutadiene (meth)acrylate.
- 10. The polyester resin of claim 1, wherein said cross-linking agent is a compound of the formula (III): ##STR14## wherein m1 is an integer of 1-4, and at least three of the X groups are a group of the formula (IIIa):
- CH.sub.2 .dbd.CH--COO--R.sub.4 -- (IIIa)
- wherein R.sub.4 is a single bond or an alkylene group having from 1 to 8 carbon atoms, and the remainder of the X groups are selected from the group consisting of a hydroxyl group, an amino group, and groups of the formulas (IIIb) and (IIId):
- --(OR.sub.5).sub.m2 --H (IIIb)
- --(OCOR.sub.5).sub.m2 --H (IIId)
- wherein R.sub.5 is an alkylene group having from 1 to 8 carbon atoms and m2 is a positive integer.
- 11. A recording medium for a sublimation-type heat-sensitive transfer recording process, comprising:
- a substrate, and
- a dye receptive layer comprising the polyester resin of claim 3.
- 12. The recording medium of claim 2, wherein said diol of said polyester resin is selected from the group consisting of 1,4-cyclohexanedimethanol, 1,4-cyclohexanediethanol, 1,4-cyclohexanediisopropanol, 1,4-cyclohexanedipropanol, 1,4-cyclohexanedihexanol, and 1,4-cyclohexanedidodecanol.
- 13. The recording medium of claim 12, wherein said diol is 1,4-cyclohexanedimethanol.
- 14. A recording medium for a sublimation-type heat-sensitive transfer recording process, comprising:
- a substrate, and
- a dye receptive layer comprising the polyester resin of claim 6.
- 15. The recording medium of claim 2, wherein said polyester resin has an intrinsic viscosity of 0.3-0.8 dl/g, measured at 25.degree. C. in a 1/1 phenol/1,1,2,2-tetrachloroethane mixture.
- 16. The recording medium of claim 15, wherein said intrinsic viscosity is 0.4-0.6 dl/g.
- 17. The recording medium of claim 2, wherein said cross-linking agent is a polyether acrylate, a polyester (meth) acrylate, a polyol (meth) acrylate, an epoxy (meth)acrylate, an amidourethane (meth)acrylate, a urethane (meth)acrylate, a spiroacetal (meth)acrylate or a polybutadiene (meth)acrylate.
- 18. The polyester resin of claim 1, wherein said cross-linking agent has an acryloyloxy group.
- 19. The polyester resin of claim 1, wherein said cross-linking agent has a methacryloyloxy group.
- 20. The recording medium of claim 2, wherein said polyester resin contains an acryloyloxy group.
- 21. The recording medium of claim 2, wherein said polyester resin contains a methacryloyloxy group.
Priority Claims (3)
Number |
Date |
Country |
Kind |
4-066406 |
Mar 1992 |
JPX |
|
4-226258 |
Aug 1992 |
JPX |
|
4-307364 |
Nov 1992 |
JPX |
|
Parent Case Info
This is a continuation of application Ser. No. 08/035,807, filed Mar. 23, 1993, now abandoned.
US Referenced Citations (6)
Foreign Referenced Citations (3)
Number |
Date |
Country |
0364900 |
Apr 1990 |
EPX |
0464921 |
Jan 1992 |
EPX |
0475633 |
Mar 1992 |
EPX |
Continuations (1)
|
Number |
Date |
Country |
Parent |
35807 |
Mar 1993 |
|