US4683171A
Expired / Lapsed
US
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Laminate and method for its preparation
Assignee: AGC Inc
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Filing: 1986-02-03
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Granted: 1987-07-28
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Expires: 2006-02-03
Abstract
Abstract A transparent laminate made of a transparent hard material having a soft synthetic resin layer on its surface, wherein the soft synthetic resin layer has, at its exposed surface side, a surface of cross-linked polyurethane type resin having a self-healing property with the surface reformed by impregnating an addition-polymerizable unsaturated compound into the cross-linked polyurethane resin surface and polymerizing the impregnated compound.
Inventors
- 👤 Kazuhiko Kuga
- 👤 Hiroshi Washita
- 👤 Hiroyuki Watanabe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:10
CPC Classifications
B; B32; B32B; B32B17/00; B32B17/06; B32B17/10; B32B17/10005; B32B17/10009; B32B17/10018; B32B17/1055; B32B17/1077; Y; Y10; Y10T; Y10T428/00; Y10T428/14; Y10T428/1414; Y10T428/28; Y10T428/2848; Y10T428/31; Y10T428/31504; Y10T428/31551; Y10T428/31554; Y10T428/31598; Y10T428/31601
Claims Analysis
Total Claims: 65
Claim 1
Independent Claim
63 words
A transparent laminate made of a transparent hard material having a soft synthetic resin layer on its surface, wherein the soft synthetic resin layer has, at its exposed surface side, a surface of a cross-linked polyurethane type resin having a self-healing property with the surface reformed by impregnating an additionpolymerizable unsaturated compound into the cross-linked polyurethane resin surface and polymerizing the impregnated compound.
Claim 2
Dependent Claim
63 words
A transparent laminate made of a transparent hard material having a soft synthetic resin layer on its surface, wherein the soft synthetic resin layer has, at its exposed surface side, a surface of a cross-linked polyurethane type resin having a self-healing property with the surface reformed by impregnating an additionpolymerizable unsaturated compound into the cross-linked polyurethane resin surface and polymerizing the impregnated compound.
Claim 3
Dependent Claim
41 words
The laminate according to claim 1, which comprises a layer of the transparent hard material, a layer of the cross-linked polyurethane type resin formed on one side thereof, and a layer of an adhesive material located between them and bonding them.
Claim 4
Dependent Claim
17 words
The laminate according to claim 1, wherein the transparent hard material is a sheet of inorganic glass.
Claim 5
Dependent Claim
15 words
The laminate according to claim 2, wherein the adhesive material is a thermoplastic synthetic resin.
Claim 6
Dependent Claim
25 words
The laminate according to claim 1, wherein the addition-polymerizable unsaturated compound is at least one compound selected from the group consisting of acrylates and methacrylates.
Claim 7
Dependent Claim
19 words
The laminate according to claim 1, wherein the addition polymerizable unsaturated compound is polymerized by irradiation of energy rays.
Claim 8
Dependent Claim
13 words
The laminate according to claim 6, wherein the energy rays are ultraviolet rays.
Claim 9
Dependent Claim
47 words
The laminate according to claim 1, wherein the cross-linked polyurethane type resin prior to the surface-reforming is a cross-linked polyurethane type resin having a self-healing property and having an elongation of at least about 250% and a breaking strength of at least about 300 kg/cm 2 .
Claim 10
Dependent Claim
133 words
The laminate according to claim 1, wherein the cross-linked polyurethane type resin is a cross-linked polyurethane type resin obtained by reacting (a) a relatively high molecular weight polyol comprising at least one diol and at least one tri- or higher valent polyol and having an equivalent ratio of the tri- or higher valent polyol to the diol of from about 0.1 to about 0.6 and an average hydroxyl value of from about 70 to about 150, (b) a substantially bivalent chain extender in an amount of from about 0.4 to about 1.8 equivalent relative to one equivalent of the above polyol, and (c) a substantially bivalent polyisocyanate compound in an amount of from about 0.8 to about 1.2 equivalent relative to one equivalent of the total of the above polyol and chain extender.
Claim 11
Dependent Claim
69 words
The laminate according to claim 9, wherein the relatively high molecular weight polyol is a relatively high molecular weight polyol comprising at least one diol having a hydroxyl value of from about 60 to about 130 and at least one tri- or higher valent polyol having a hydroxyl value of from about 150 to about 250, which has an average hydroxyl value of from about 80 to about 140.
Claim 12
Dependent Claim
23 words
The laminate according to claim 9, wherein at least a part of the relatively high molecular weight polyol is a polycarbonate type polyol.
Claim 13
Dependent Claim
23 words
The laminate according to claim 11, wherein the relatively high molecular weight polyol comprises the polycarbonate type polyol and a polyester type polyol.
Claim 14
Dependent Claim
19 words
The laminate according to claim 12, wherien the diol comprises a polycarbonate type diol and a polyester type diol.
Claim 15
Dependent Claim
21 words
The laminate according to claim 13, wherein the diol contains at least about 15% by weight of the polycarbonate type diol.
Claim 16
Dependent Claim
21 words
The laminate according to claim 12, wherein the trior higher valent polyol is a tri- or higher valent polyester type polyol.
Claim 17
Dependent Claim
54 words
The laminate according to claim 9, wherein the surface reformed cross-linked polyurethane type resin layer is a layer of a sheet obtained by surface-reforming one side of a cross-linked polyurethane type resin sheet obtained by cast molding a material of the cross-linked polyurethane type resin as defined in claim 9 by a one-shot method.
Claim 18
Independent Claim
95 words
A method for preparing a transparent laminate which comprises laminating a transparent hard material and a pre-laminated sheet including a soft synthetic resin layer, in which the pre-laminated sheet has, at its one side, a surface of an adhesive material layer and, at the other side, a surface of a cross-linked polyurethane type resin having a self-healing property with the surface reformed by the impregnation and polymerization of an addition-polymerizable unsaturated compound, and the pre-laminated sheet is laminated onto the transparent hard material with the surface of said adhesive material layer being the lamination surface.
Claim 19
Independent Claim
95 words
A method for preparing a transparent laminate which comprises laminating a transparent hard material and a pre-laminated sheet including a soft synthetic resin layer, in which the pre-laminated sheet has, at its one side, a surface of an adhesive material layer and, at the other side, a surface of a cross-linked polyurethane type resin having a self-healing property with the surface reformed by the impregnation and polymerization of an addition-polymerizable unsaturated compound, and the pre-laminated sheet is laminated onto the transparent hard material with the surface of said adhesive material layer being the lamination surface.
Claim 20
Dependent Claim
17 words
The method according to claim 17, wherein the transparent hard material is a sheet of inorganic glass.
Claim 21
Dependent Claim
15 words
The method according to claim 17, wherein the adhesive material is a thermoplastic synthetic resin.
Claim 22
Dependent Claim
25 words
The method according to claim 17, wherein the addition-polymerizable unsaturated compound is at least one compound selected from the group consisting of acrylates and methacrylates.
Claim 23
Dependent Claim
18 words
The method according to claim 17, wherein the addition-polymerizable unsaturated compound is polymerized by irradiation of energy rays.
Claim 24
Dependent Claim
13 words
The method according to claim 21, wherein the energy rays are ultraviolet rays.
Claim 25
Dependent Claim
46 words
The method according to claim 17, wherein the cross-linked polyurethane resin prior to the surface-reforming is a cross-linked polyurethane type resin having a self-healing property and having an elongation of at least about 250% and a breaking strength of at least about 300 kg/cm 2 .
Claim 26
Dependent Claim
133 words
The method according to claim 23, wherein the cross-linked polyurethane type resin is a cross-linked polyurethane type resin obtained by reacting (a) a relatively high molecular weight polyol comprising at least one diol and at least one tri- or higher valent polyol and having an equivalent ratio of the tri- or higher valent polyol to the diol being from about 0.1 to about 0.6 and an average hydroxyl value of from about 70 to about 150, (b) a substantially bivalent chain extender in an amount of from about 0.4 to about 1.8 equivalent relative to one equivalent of the above polyol, and (c) a substantially bivalent polyisocyanate compound in an amount of from about 0.8 to about 1.2 equivalent relative to one equivalent of the total of the above polyol and chain extender.
Claim 27
Dependent Claim
69 words
The method according to claim 24, wherein the relatively high molecular weight polyol is a relatively high molecular weight polyol comprising at least one diol having a hydroxyl value of from about 60 to about 130 and at least one tri- or higher valent polyol having a hydroxyl value of from about 150 to about 250, which has an average hydroxyl value of from about 80 to about 140.
Claim 28
Dependent Claim
23 words
The method according to claim 24, wherein at least a part of the relatively high molecular weight polyol is a polycarbonate type polyol.
Claim 29
Dependent Claim
23 words
The method according to claim 24, wherein the relatively high molecular weight polyol comprises the polycarbonate type polyol and a polyester type polyol.
Claim 30
Dependent Claim
19 words
The method according to claim 27, wherein the diol comprises a polycarbonate type diol and a polyester type diol.
Claim 31
Dependent Claim
21 words
The method according to claim 27, wherein the diol contains at least about 15% by weight of the polycarbonate type diol.
Claim 32
Dependent Claim
21 words
The method according to claim 27, wherein the trior higher valent polyol is a tri- or higher valent polyester type polyol.
Claim 33
Dependent Claim
61 words
The method according to claim 24, wherein the pre-laminated sheet is a sheet obtained by cast-molding a material of the cross-linked polyurethane type resin as defined in claim 24 by a one-shot method and forming a layer of an adhesive material on one side of the cross-linked polyurethane type resin sheet thus obtained and surface-reforming the other side of the sheet.
Claim 34
Dependent Claim
42 words
A pre-laminated sheet of a cross-linked polyurethane type resin having, at one side, a surface reformed by the impregnation and polymerization of an addition-polymerizable unsaturated compound and having a self-healing property and, at the other side, a layer of an adhesive material.
Claim 35
Dependent Claim
42 words
A pre-laminated sheet of a cross-linked polyurethane type resin having, at one side, a surface reformed by the impregnation and polymerization of an addition-polymerizable unsaturated compound and having a self-healing property and, at the other side, a layer of an adhesive material.
Claim 36
Dependent Claim
15 words
The sheet according to claim 32, wherein the adhesive material is a thermoplastic synthetic resin.
Claim 37
Dependent Claim
25 words
The sheet according to claim 32, wherein the addition-polymerizable unsaturated compound is at least one compound selected from the group consisting of acrylates and methacrylates.
Claim 38
Dependent Claim
18 words
The sheet according to claim 32, wherein the addition-polymerizable unsaturated compound is polymerized by irradiation of energy rays.
Claim 39
Dependent Claim
13 words
The sheet according to claim 35, wherein the energy rays are ultraviolet rays.
Claim 40
Dependent Claim
47 words
The sheet according to claim 32, wherein the cross-linked polyurethane type resin prior to the surface-reforming is a cross-linked polyurethane type resin having a self-healing property and having an elongation of at least about 250% and a breaking strength of at least about 300 kg/cm 2 .
Claim 41
Dependent Claim
133 words
The sheet according to claim 37, wherein the cross-linked polyurethane type resin is a cross-linked polyurethane type resin obtained by reacting (a) a relatively high molecular weight polyol comprising at least one diol and at least one tri- or higher valent polyol and having an equivalent ratio of the tri- or higher valent polyol to the diol being from about 0.1 to about 0.6 and an average hydroxyl value of from about 70 to about 150, (b) a substantially bivalent chain extender in an amount of from about 0.4 to about 1.8 equivalent relative to one equivalent of the above polyol, and (c) a substantially bivalent polyisocyanate compound in an amount of from about 0.8 to about 1.2 equivalent relative to one equivalent of the total of the above polyol and chain extender.
Claim 42
Dependent Claim
69 words
The sheet according to claim 38, wherein the relatively high molecular weight polyol is a relatively high molecular weight polyol comprising at least one diol having a hydroxyl value of from about 60 to about 130 and at least one tri- or higher valent polyol having a hydroxyl value of from about 150 to about 250, which has an average hydroxyl value of from about 80 to about 140.
Claim 43
Dependent Claim
23 words
The sheet according to claim 38, wherein at least a part of the relatively high molecular weight polyol is a polycarbonate type polyol.
Claim 44
Dependent Claim
23 words
The sheet according to claim 40, wherein the relatively high molecular weight polyol comprises the polycarbonate type polyol and a polyester type polyol.
Claim 45
Dependent Claim
19 words
The sheet according to claim 41, wherein the diol comprises a polycarbonate type diol and a polyester type diol.
Claim 46
Dependent Claim
21 words
The sheet according to claim 42, wherein the diol contains at least about 15% by weight of the polycarbonate type diol.
Claim 47
Dependent Claim
22 words
The sheet according to claim 41, wherein the tri- or higher valent polyol is a tri- or higher valent polyester type polyol.
Claim 48
Dependent Claim
41 words
The sheet according to claim 38, wherein the cross-linked polyurethane type resin sheet is a cross-linked polyurethane type resin sheet obtained by cast molding a material of the cross-linked polyurethane type resin as defined in claim 38, by a one-shot method.
Claim 49
Independent Claim
69 words
A method for preparating a pre-laminated sheet which comprises forming a layer of an adhesive material on one side of a sheet of a cross-linked polyurethane type resin having a self-healing property, protecting the surface of the adhesive material layer with a removable protective film or sheet, and then impregnating an addition-polymerizable unsaturated compound into the exposed side of the cross-linked polyurethane resin sheet and polymerizing the impregnated compound.
Claim 50
Independent Claim
69 words
A method for preparating a pre-laminated sheet which comprises forming a layer of an adhesive material on one side of a sheet of a cross-linked polyurethane type resin having a self-healing property, protecting the surface of the adhesive material layer with a removable protective film or sheet, and then impregnating an addition-polymerizable unsaturated compound into the exposed side of the cross-linked polyurethane resin sheet and polymerizing the impregnated compound.
Claim 51
Dependent Claim
15 words
The method according to claim 46, wherein the adhesive material is a thermoplastic synthetic resin.
Claim 52
Dependent Claim
25 words
The method according to claim 46, wherein the addition-polymerizable unsaturated compound is at least one compound selected from the group consisting of acrylates and methacrylates.
Claim 53
Dependent Claim
18 words
The method according to claim 46, wherein the addition-polymerizable unsaturated compound is polymerized by irradiation of energy rays.
Claim 54
Dependent Claim
13 words
The method according to claim 49, wherein the energy rays are ultraviolet rays.
Claim 55
Dependent Claim
47 words
The method according to claim 46, wherein the cross-linked polyurethane type resin prior to the surface-reforming is a cross-linked polyurethane type resin having a self-healing property and having an elongation of at least about 250% and a breaking strength of at least about 300 kg/cm 2 .
Claim 56
Dependent Claim
133 words
The method according to claim 51, wherein the cross-linked polyurethane type resin is a cross-linked polyurethane type resin obtained by reacting (a) a relatively high molecular weight polyol comprising at least one diol and at least one tri- or higher valent polyol and having an equivalent ratio of the tri- or higher valent polyol to the diol being from about 0.1 to about 0.6 and an average hydroxyl value of from about 70 to about 150, (b) a substantially bivalent chain extender in an amount of from about 0.4 to about 1.8 equivalent relative to one equivalent of the above polyol, and (c) a substantially bivalent polyisocyanate compound in an amount of from about 0.8 to about 1.2 equivalent relative to one equivalent of the total of the above polyol and chain extender.
Claim 57
Dependent Claim
69 words
The method according to claim 52, wherein the relatively high molecular weight polyol is a relatively high molecular weight polyol comprising at least one diol having a hydroxyl value of from about 60 to about 130 and at least one tri- or higher valent polyol having a hydroxyl value of from about 150 to about 250, which has an average hydroxyl value of from about 80 to about 140.
Claim 58
Dependent Claim
23 words
The method according to claim 52, wherein at least a part of the relatively high molecular weight polyol is a polycarbonate type polyol.
Claim 59
Dependent Claim
23 words
The method according to claim 54, wherein the relatively high molecular weight polyol comprises the polycarbonate type polyol and a polyester type polyol.
Claim 60
Dependent Claim
19 words
The method according to claim 55, wherein the diol comprises a polycarbonate type diol and a polyester type diol.
Claim 61
Dependent Claim
21 words
The method according to claim 56, wherein the diol contains at least about 15% by weight of the polycarbonate type diol.
Claim 62
Dependent Claim
21 words
The method according to claim 55, wherein the tri-or higher valent polyol is a tri- or higher valent polyester type polyol.
Claim 63
Dependent Claim
40 words
The method according to claim 52, wherein the cross-linked polyurethane type resin sheet is a cross-linked polyurethane type resin sheet obtained by cast-molding a material of the cross-linked polyurethane type resin as defined in claim 52, by a one-shot method.
Claim 64
Dependent Claim
20 words
The method according to claim 46, wherein the removable protective film or sheet is made of a polyolefin type resin.
Claim 65
Dependent Claim
30 words
The method according to claim 46, wherein the removable protective film or sheet has fine emboss at least on the surface in contact with the layer of the adhesive material.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-07-27 | 1991-01-26 | 1991-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-07-27 | 1995-01-26 | 1995-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-07-27 | 1999-01-26 | 1999-07-28 | $7700.00 | Window Closed / Lapsed |