Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
46 words
A heat transfer printing sheet comprising a substrate sheet and a thermally-expandable ink layer formed thereon, said thermally-expandable ink layer comprising as an expanding agent a thermally-expandable micro-capsule containing therein an easily-volatilizable hydrocarbon, and a binder resin having a number-average molecular weight of 1,000 to 30,000.
Claim 2
Dependent Claim
46 words
A heat transfer printing sheet comprising a substrate sheet and a thermally-expandable ink layer formed thereon, said thermally-expandable ink layer comprising as an expanding agent a thermally-expandable micro-capsule containing therein an easily-volatilizable hydrocarbon, and a binder resin having a number-average molecular weight of 1,000 to 30,000.
Claim 3
Dependent Claim
24 words
The heat transfer printing sheet according to claim 1, further comprising a release-property-controlling layer formed between the thermally-expandable ink layer and the substrate sheet.
Claim 4
Dependent Claim
24 words
The heat transfer printing sheet according to claim 1, further comprising a heat-sensitive adhesive layer formed on the surface of the thermally-expandable ink layer.
Claim 5
Dependent Claim
20 words
The heat transfer printing sheet according to claim 3, wherein the heat-sensitive adhesive layer has cracks on the surface thereof.
Claim 6
Dependent Claim
39 words
The heat transfer printing sheet according to claim 3, wherein the heat-sensitive adhesive layer has cracks on the surface thereof, and the thermally-expandable ink layer has cracks on the surface thereof on which the heat-sensitive adhesive layer is formed.
Claim 7
Dependent Claim
17 words
The heat transfer printing sheet according to claim 1, wherein the binder resin is a polyester resin.
Claim 8
Dependent Claim
33 words
The heat transfer printing sheet according to claim 1, wherein the amount of the thermally-expandable micro-capsule is from 30 to 200 parts by weight for 100 parts by weight of the binder resin.
Claim 9
Dependent Claim
20 words
The heat transfer printing sheet according to claim 1, wherein the thermally-expandable ink layer has cracks on the surface thereof.
Claim 10
Dependent Claim
33 words
The heat transfer printing sheet according to claim 1, further comprising a hot-melt coloring layer formed on the thermally-expandable ink layer, the hot-melt coloring layer comprising a coloring material and a hot-melt binder.
Claim 11
Dependent Claim
22 words
The heat transfer printing sheet according to claim 9, wherein the hot-melt binder has a number-average molecular weight of 200 to 1,000.
Claim 12
Dependent Claim
43 words
The heat transfer printing sheet according to claim 9, further comprising a hot-melt layer formed on the outer surface of the hot-melt coloring layer, the hot-melt layer comprising as a main component a hot-melt material whose number-average molecular weight is 1,000 or less.
Claim 13
Dependent Claim
24 words
The heat transfer printing sheet according to claim 9, further comprising a release-property-controlling layer formed between the thermally-expandable ink layer and the substrate sheet.
Claim 14
Dependent Claim
26 words
The heat transfer printing sheet according to claim 9, further comprising a heat-sensitive adhesive layer formed between the thermally-expandable ink layer and the hot-melt coloring layer.
Claim 15
Dependent Claim
45 words
The heat transfer printing sheet according to claim 9, wherein the melting point, mp1, of the binder resin contained in the thermally-expandable ink layer and the melting point, mp2, of the hot-melt binder contained in the hot-melt coloring layer are in the relationship of mp1>mp2.
Claim 16
Dependent Claim
35 words
The heat transfer printing sheet according to claim 1, further comprising a hot-melt coloring layer comprising a coloring material and a hot-melt binder, provided on the substrate sheet in sequence to the thermally-expandable ink layer.
Claim 17
Dependent Claim
24 words
The heat transfer printing sheet according to claim 15, further comprising a release-property-controlling layer formed between the thermally-expandable ink layer and the substrate sheet.
Claim 18
Dependent Claim
24 words
The heat transfer printing sheet according to claim 15, further comprising a heat-sensitive adhesive layer formed on the surface of the thermally-expandable ink layer.