US5798397A
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Active energy ray-curable composition, recording medium and image-forming method employing the same
Assignee: Canon Inc
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Filing: 1996-12-24
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Granted: 1998-08-25
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Expires: 2016-12-24
Abstract
Abstract Provided is a composition curable by active energy rays, comprising a cationic polyacryloyl compound having two or more acryloyl groups and one or more cation groups in a molecule, represented by any of General Formulae (1) to (6) ##STR1## wherein Z 1 to Z 6 represent independently a residue derived from a polyhydric alcohol or a polyepoxide, K 1 represents independently a radical of the formula ##STR2## K 2 represents a radical of the formula ##STR3## R 1 represents independently a radical of the formula ##STR4## wherein R 3 is independently H-- or CH 3 --, and R 2 represents independently a radical of the formula CH.sub.2 ═CHCOO--, or CH.sub.2 ═C(CH.sub.3)COO--.
Inventors
- 👤 Hiromichi Noguchi
- 👤 Makiko Kimura
- 👤 Masato Katayama
- 👤 Akio Kashiwazaki
- 👤 Yoshie Nakata
- 👤 Yuko Nishioka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:24
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/50; B41M5/52; C; C09; C09D; C09D4/00; G; G03; G03F; G03F7/00; G03F7/004; G03F7/027; G03F7/028; B41M2205/00; B41M2205/12; B41M5/502; B41M5/508; B41M5/5209; B41M5/5236; B41M5/5245; B41M5/5254; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/31504; Y10T428/31551; Y10T428/31565; Y10T428/31573; Y10T428/31591; Y10T428/31678; Y10T428/31692; Y10T428/31696; Y10T428/31855; Y10T428/3188; Y10T428/31895; Y10T428/31971
Claims Analysis
Total Claims: 31
Claim 1
Independent Claim
119 words
A composition curable by active energy rays, comprising an initiator and which is activated by activated energy rays a cationic polyacryloyl compound having two or more acryloyl groups and one or more cation groups in a molecule, represented by any of General Formulae (1) to (6) ##STR27## wherein Z 1 to Z 6 represent independently a residue derived from a polyhydric alcohol or a polyepoxide, K 1 represents independently a radical of the formula ##STR28## K 2 represents a radical of the formula ##STR29## R 1 represents independently a radical of the formula ##STR30## wherein R 3 is independently H-- or CH 3 --, and R 2 represents independently a radical of the formula CH.sub.2 ═CHCOO--, or CH.sub.2 ═C(CH.sub.3)COO--.
Claim 2
Dependent Claim
119 words
A composition curable by active energy rays, comprising an initiator and which is activated by activated energy rays a cationic polyacryloyl compound having two or more acryloyl groups and one or more cation groups in a molecule, represented by any of General Formulae (1) to (6) ##STR27## wherein Z 1 to Z 6 represent independently a residue derived from a polyhydric alcohol or a polyepoxide, K 1 represents independently a radical of the formula ##STR28## K 2 represents a radical of the formula ##STR29## R 1 represents independently a radical of the formula ##STR30## wherein R 3 is independently H-- or CH 3 --, and R 2 represents independently a radical of the formula CH.sub.2 ═CHCOO--, or CH.sub.2 ═C(CH.sub.3)COO--.
Claim 3
Dependent Claim
25 words
The composition according to claim 1, wherein the polyacryloyl compound is contained in an amount of not less than 25% by weight of the composition.
Claim 4
Dependent Claim
25 words
The composition according to claim 1, wherein the polyacryloyl compound is contained in an amount of not less than 50% by weight of the composition.
Claim 5
Dependent Claim
25 words
The composition according to claim 1, wherein the polyacryloyl compound is contained in an amount of from 55% to 98% by weight of the composition.
Claim 6
Dependent Claim
22 words
The composition according to claim 1, wherein the acryloyl compound is selected from the compounds of the formulae (a) to (g) ##STR31##
Claim 7
Dependent Claim
34 words
The composition according to claim 1, wherein the composition comprises the polymerization initiator in an amount of from 1 to 10 parts by weight based on 100 parts by weight of the polyacryloyl compound.
Claim 8
Dependent Claim
24 words
The composition according to claim 1, wherein the composition further comprises a photopolymerizable compound having two or more acryloyl groups but no cationic group.
Claim 9
Dependent Claim
38 words
The composition according to claim 7, wherein the photopolymerizable compound is selected from the group consisting of (meth)acrylic esters of polyhydric alcohols, glycols, polyethylene glycols, polyesterpolyols, polyetherpolyols, and urethane-modified polyethers or polyesters; and (meth)acrylate esters of epoxy resins.
Claim 10
Dependent Claim
34 words
The composition according to claim 7, wherein the composition comprises the photopolymerizable compound in an amount of from 10 to 200 parts by weight based on 100 parts by weight of the polyacryloyl compound.
Claim 11
Dependent Claim
14 words
The composition according to claim 1, wherein the composition further comprises a water-soluble polymer.
Claim 12
Dependent Claim
50 words
The composition according to claim 10, wherein the water-soluble polymer is selected from the group consisting of polyvinyl alcohol, cation-modified polyvinyl alcohol, cationized starch, water-soluble resins having a cationic monomer unit at a ratio of 15 mol % or more, polyacrylamides, poly-N-vinylpyrrolidone, polyethylene oxide, and polyethylene oxide/propylene oxide block copolymers.
Claim 13
Dependent Claim
26 words
The composition according to claim 10, wherein the composition comprises the water-soluble polymer in an amount of from 5% to 50% by weight of the composition.
Claim 14
Dependent Claim
16 words
The composition according to claim 1, wherein the composition further comprises a white pigment dispersed therein.
Claim 15
Dependent Claim
26 words
The composition according to claim 13, wherein the composition comprises the white pigment in an amount of from 3% to 30% by weight of the composition.
Claim 16
Dependent Claim
15 words
The composition according to claim 1, further comprising a monomer other than the polyacryloyl compound.
Claim 17
Dependent Claim
142 words
A process for producing a recording medium comprising applying a composition curable by active energy rays on a base material, and irradiating the composition with activating energy rays, said composition comprising an initiator which is activated by active energy rays and a cationic polyacryloyl compound having two or more acryloyl groups and one or more cation groups in a molecule, represented by any of General Formulae (1) to (6) ##STR32## wherein Z 1 to Z 6 represent independently a residue derived from a polyhydric alcohol or a polyepoxide, K 1 represents independently a radical of the formula ##STR33## K 2 represents a radical of the formula ##STR34## R 1 represent independently a radical of the formula ##STR35## wherein R 3 is independently H-- or CH 3 --, and R 2 represents independently a radical of the formula CH.sub.2 ═CHCOO--, or CH.sub.2 ═C(CH.sub.3)COO--.
Claim 18
Dependent Claim
142 words
A process for producing a recording medium comprising applying a composition curable by active energy rays on a base material, and irradiating the composition with activating energy rays, said composition comprising an initiator which is activated by active energy rays and a cationic polyacryloyl compound having two or more acryloyl groups and one or more cation groups in a molecule, represented by any of General Formulae (1) to (6) ##STR32## wherein Z 1 to Z 6 represent independently a residue derived from a polyhydric alcohol or a polyepoxide, K 1 represents independently a radical of the formula ##STR33## K 2 represents a radical of the formula ##STR34## R 1 represent independently a radical of the formula ##STR35## wherein R 3 is independently H-- or CH 3 --, and R 2 represents independently a radical of the formula CH.sub.2 ═CHCOO--, or CH.sub.2 ═C(CH.sub.3)COO--.
Claim 19
Dependent Claim
25 words
The composition according to claim 16, wherein the polyacryloyl compound is contained in an amount of not less than 25% by weight of the composition.
Claim 20
Dependent Claim
25 words
The composition according to claim 16, wherein the polyacryloyl compound is contained in an amount of not less than 50% by weight of the composition.
Claim 21
Dependent Claim
25 words
The composition according to claim 16, wherein the polyacryloyl compound is contained in an amount of from 55% to 98% by weight of the composition.
Claim 22
Dependent Claim
34 words
The process according to claim 16, wherein the composition comprises the polymerization initiator in an amount of from 1 to 10 parts by weight based on 100 parts by weight of the polyacryloyl compound.
Claim 23
Dependent Claim
24 words
The process according to claim 16, wherein the composition further comprise a photopolymerizable compound having two or more acryloyl groups but no cationic group.
Claim 24
Dependent Claim
38 words
The process according to claim 21, wherein the photopolymerizable compound is selected from the group consisting of (meth)acrylic esters of polyhydric alcohols, glycols, polyethylene glycols, polyesterpolyols, polyetherpolyols, and urethane-modified polyethers or polyesters and (meth)acrylate esters of epoxy resins.
Claim 25
Dependent Claim
34 words
The process according to claim 21, wherein the composition comprises the photopolymerizable compound in an amount of from 10 to 200 parts by weight based on 100 parts by weight of the polyacryloyl compound.
Claim 26
Dependent Claim
14 words
The process according to claim 16, wherein the composition further comprises a water-soluble polymer.
Claim 27
Dependent Claim
51 words
The process according to claim 24, wherein the water-soluble polymer is selected from the group consisting of polyvinyl alcohol, cation-modified polyvinyl alcohol, cationic starch, water-soluble cationic resins having a cationic monomer unit at a ratio of 15 mol % or more, polyacrylamides, poly-N-vinylpyrrolidone, polyethylene oxide, and polyethylene oxide/propylene oxide block copolymers.
Claim 28
Dependent Claim
15 words
The process according to claim 16, further comprising a monomer other than the polyacryloyl compound.
Claim 29
Dependent Claim
13 words
The process according to claim 16, wherein the base material is not ink-absorbent.
Claim 30
Dependent Claim
14 words
The process according to claim 27, wherein the base material is a plastic material.
Claim 31
Dependent Claim
14 words
The process according to claim 16, wherein the base material is a paper sheet.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-08-24 | 2002-02-23 | 2002-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-08-24 | 2006-02-23 | 2006-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-08-24 | 2010-02-23 | 2010-08-25 | $7700.00 | Window Closed / Lapsed |