US5397637A
Expired / Lapsed
US
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Thermoplastic resin film with excellent offset printability and offset prints thereof
Assignee: Mitsubishi Chemical Corp
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Filing: 1993-06-16
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Granted: 1995-03-14
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Expires: 2013-06-16
Abstract
Abstract A thermoplastic resin film having a coated layer thereon, the coating layer comprising a quaternary ammonium salt copolymer comprising (a) a structural unit represented by formula (I): <IMAGE> (I) wherein A represents -O- or -NH-; R1 represents a hydrogen atom or a methyl group; R2 represents an alkylene group having from 2 to 4 carbon atoms or -CH2CH(OH)-CH2-; R3, R4, R5, and R6, which may be the same or different, each represents an alkyl group having from 1 to 3 carbon atoms; R7 represents an alkyl group having from 1 to 10 carbon atoms or an aralkyl group having from 7 to 10 carbon atoms; n represents an integer of from 1 to 3; and X represents a chlorine atom, a bromine atom or an iodine atom, (b) a structural unit represented by formula (II): <IMAGE> (II) wherein R8 represents a hydrogen atom or a methyl group; and R9 represents an alkyl group having from 1 to 22 carbon atoms, an aralkyl group having from 7 to 22 carbon atoms or a cycloalkyl group having from 5 to 22 carbon atoms, and (c) a structural unit derived from a monomer copolymerizable with monomers providing structural units (a) and (b) at a (a):(b):(c) weight ratio of 30 to 70:30 to 70:0 to 40. The thermoplastic resin film exhibits excellent offset printability and excellent antistatic properties.
Inventors
- 👤 Koichi Asami
- 👤 Hironobu Amagai
- 👤 Yukio Saitoh
- 👤 Isao Itoh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:26
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/50; B41M5/52; B41M5/5245; C; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/044; C08J2433/00; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/31504; Y10T428/31721; Y10T428/31725; Y10T428/3175; Y10T428/31855; Y10T428/31909; Y10T428/31928
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
226 words
A thermoplastic resin film with satisfactory printability having a coated layer comprising a quaternary ammonium salt copolymer comprising (a) a structural unit represented by formula (I): ##STR9## wherein A represents --O-- or --NH--; R 1 represents a hydrogen atom or a methyl group; R 2 represents an alkylene group having from 2 to 4 carbon atoms or --CH 2 CH(OH)--CH 2 --; R 3 , R 4 , R 5 , and R 6 , which may be the same or different, each represents an alkyl group having from 1 to 3 carbon atoms; R 7 represents an alkyl group having from 1 to 10 carbon atoms or an aralkyl group having from 7 to 10 carbon atoms; n represents an integer of from 1 to 3; and X represents a chlorine atom, a bromine atom or an iodine atom, (b) a structural unit represented by formula (II): ##STR10## wherein R 8 represents a hydrogen atom or a methyl group; and R 9 represents an alkyl group having from 1 to 22 carbon atoms, an aralkyl group having from 7 to 22 carbon atoms or a cycloalkyl group having from 5 to 22 carbon atoms, and (c) a structural unit derived from a monomer copolymerizable with monomers providing structural units (a) and (b) at a (a):(b):(c) weight ratio of 30 to 70:30 to 70:0 to 40.
Claim 2
Dependent Claim
226 words
A thermoplastic resin film with satisfactory printability having a coated layer comprising a quaternary ammonium salt copolymer comprising (a) a structural unit represented by formula (I): ##STR9## wherein A represents --O-- or --NH--; R 1 represents a hydrogen atom or a methyl group; R 2 represents an alkylene group having from 2 to 4 carbon atoms or --CH 2 CH(OH)--CH 2 --; R 3 , R 4 , R 5 , and R 6 , which may be the same or different, each represents an alkyl group having from 1 to 3 carbon atoms; R 7 represents an alkyl group having from 1 to 10 carbon atoms or an aralkyl group having from 7 to 10 carbon atoms; n represents an integer of from 1 to 3; and X represents a chlorine atom, a bromine atom or an iodine atom, (b) a structural unit represented by formula (II): ##STR10## wherein R 8 represents a hydrogen atom or a methyl group; and R 9 represents an alkyl group having from 1 to 22 carbon atoms, an aralkyl group having from 7 to 22 carbon atoms or a cycloalkyl group having from 5 to 22 carbon atoms, and (c) a structural unit derived from a monomer copolymerizable with monomers providing structural units (a) and (b) at a (a):(b):(c) weight ratio of 30 to 70:30 to 70:0 to 40.
Claim 3
Dependent Claim
34 words
The thermoplastic resin film as claimed in claim 1, wherein a thermoplastic resin film to be coated with the coated layer is synthetic paper comprising a stretched polyolefin film containing a fine inorganic powder.
Claim 4
Dependent Claim
43 words
The thermoplastic resin film as claimed in claim 2, wherein said fine inorganic powder is selected from the group consisting of calcined clay, diatomaceous earth, titanium oxide, vermiculite, calcium carbonate and talc each having a particle size of from 0.05 to 10 μm.
Claim 5
Dependent Claim
29 words
The thermoplastic resin film as claimed in claim 1, wherein a coating composition for said coated layer has a solids content of from 0.01 to 8 g/m 2 .
Claim 6
Dependent Claim
69 words
The thermoplastic resin film as claimed in claim 1, wherein said structural unit (b) is a combination between a unit derived from a lower alkyl methacrylate monomer selected from the group consisting of methyl methacrylate and ethyl methacrylate and a unit derived from a monomer selected from the group consisting of an alkyl methacrylate having from 4 to 22 carbon atoms in the alkyl moiety thereof and cyclohexyl methacrylate.
Claim 7
Dependent Claim
31 words
The thermoplastic resin film as claimed in claim 1, wherein said quaternary ammonium salt copolymer is a salt obtained by modifying a dimethylaminoethyl methacrylate-ethyl methacrylate-cyclohexyl methacrylate-stearyl methacrylate copolymer with 3-chloro-2-hydroxypropyltrimethylammonium chloride.
Claim 8
Dependent Claim
29 words
The thermoplastic resin film as claimed in claim 1, wherein said quaternary ammonium salt copolymer is a salt obtained by modifying a dimethylaminopropyl methacrylamide-methyl methacrylate-butyl methacrylate with 3-chloro-2-hydroxypropyltrimethylammonium chloride.
Claim 9
Dependent Claim
30 words
The thermoplastic resin film as claimed in claim 1, wherein said quaternary ammonium salt copolymer is a salt obtained by modifying a dimethylaminoethyl methacrylate-methyl methacrylate-ethyl methacrylate copolymer with 3-chloro-2-hydroxypropyldimethylbenzylammonium chloride.
Claim 10
Dependent Claim
20 words
The thermoplastic resin film as claimed in claim 1, wherein said coated layer further contains polyethyleneimine or a modified polyethyleneimine.
Claim 11
Dependent Claim
61 words
The thermoplastic resin film as claimed in claim 1, wherein said coated layer comprises (A) 100 parts by weight of said quaternary ammonium salt copolymer, (B) from 20 to 100 parts by weight of polyethyleneimine, (C) from 20 to 100 parts by weight of a polyaminepolyamide-epichlorohydrin adduct, and (D) from 5 to 20 parts by weight of a water-soluble inorganic salt.
Claim 12
Dependent Claim
244 words
An offset print comprising synthetic paper comprising a stretched polyolefin film containing a fine inorganic powder having formed thereon a coated layer comprising a quaternary ammonium salt copolymer comprising (a) a structural unit represented by formula (I): ##STR11## wherein A represents --O-- or --NH--; R 1 represents a hydrogen atom or a methyl group; R 2 represents an alkylene group having from 2 to 4 carbon atoms or --CH 2 CH(OH)--CH 2 --; R 3 , R 4 , R 5 , and R 6 , which may be the same or different, each represents an alkyl group having from 1 to 3 carbon atoms; R 7 represents an alkyl group having from 1 to 10 carbon atoms or an aralkyl group having from 7 to 10 carbon atoms; n represents an integer of from 1 to 3; and X represents a chlorine atom, a bromine atom or an iodine atom, (b) a structural unit represented by formula (II): ##STR12## wherein R 8 represents a hydrogen atom or a methyl group; and R 9 represents an alkyl group having from 1 to 22 carbon atoms, an aralkyl group having from 7 to 22 carbon atoms or a cycloalkyl group having from 5 to 22 carbon atoms, and (c) a structural unit derived from a monomer copolymerizable with monomers providing structural units (a) and (b) at a (a):(b):(c) weight ratio of 30 to 70:30 to 70:0 to 40, said coating layer having been offset printed.
Claim 13
Dependent Claim
244 words
An offset print comprising synthetic paper comprising a stretched polyolefin film containing a fine inorganic powder having formed thereon a coated layer comprising a quaternary ammonium salt copolymer comprising (a) a structural unit represented by formula (I): ##STR11## wherein A represents --O-- or --NH--; R 1 represents a hydrogen atom or a methyl group; R 2 represents an alkylene group having from 2 to 4 carbon atoms or --CH 2 CH(OH)--CH 2 --; R 3 , R 4 , R 5 , and R 6 , which may be the same or different, each represents an alkyl group having from 1 to 3 carbon atoms; R 7 represents an alkyl group having from 1 to 10 carbon atoms or an aralkyl group having from 7 to 10 carbon atoms; n represents an integer of from 1 to 3; and X represents a chlorine atom, a bromine atom or an iodine atom, (b) a structural unit represented by formula (II): ##STR12## wherein R 8 represents a hydrogen atom or a methyl group; and R 9 represents an alkyl group having from 1 to 22 carbon atoms, an aralkyl group having from 7 to 22 carbon atoms or a cycloalkyl group having from 5 to 22 carbon atoms, and (c) a structural unit derived from a monomer copolymerizable with monomers providing structural units (a) and (b) at a (a):(b):(c) weight ratio of 30 to 70:30 to 70:0 to 40, said coating layer having been offset printed.
Claim 14
Dependent Claim
42 words
The offset print as claimed in claim 11, wherein said fine inorganic powder is selected from the group consisting of calcined clay, diatomaceous earth, titanium oxide, vermiculite, calcium carbonate and talc each having a particle size of from 0.05 to 10 μm.
Claim 15
Dependent Claim
28 words
The offset print as claimed in claim 11, wherein a coating composition for said coated layer has a solids content of from 0.01 to 8 g/m 2 .
Claim 16
Dependent Claim
21 words
The offset print as claimed in claim 11, wherein said coated layer has been offset printed with an ultraviolet-curing offset ink.
Claim 17
Dependent Claim
68 words
The offset print as claimed in claim 11, wherein said structural unit (b) is a combination between a unit derived from a lower alkyl methacrylate monomer selected from the group consisting of methyl methacrylate and ethyl methacrylate and a unit derived from a monomer selected from the group consisting of an alkyl methacrylate having from 4 to 22 carbon atoms in the alkyl moiety thereof and cyclohexyl methacrylate.
Claim 18
Dependent Claim
30 words
The offset print as claimed in claim 15, wherein said quaternary ammonium salt copolymer is a salt obtained by modifying a dimethylaminoethyl methacrylate-ethyl methacrylate-cyclohexyl methacrylate-stearyl methacrylate copolymer with 3-chloro-2-hydroxypropyltrimethylammonium chloride.
Claim 19
Dependent Claim
28 words
The offset print as claimed in claim 15, wherein said quaternary ammonium salt copolymer is a salt obtained by modifying a dimethylaminopropyl methacrylamide-methyl methacrylate-butyl methacrylate with 3-chloro-2-hydroxypropyltrimethylammonium chloride.
Claim 20
Dependent Claim
29 words
The offset print as claimed in claim 11, wherein said quaternary ammonium salt copolymer is a salt obtained by modifying a dimethylaminoethyl methacrylate-methyl methacrylate-ethyl methacrylate copolymer with 3-chloro-2-hydroxypropyldimethylbenzylammonium chloride.
Claim 21
Dependent Claim
19 words
The offset print as claimed in claim 11, wherein said coated layer further contains polyethyleneimine or a modified polyethyleneimine.
Claim 22
Dependent Claim
60 words
The offset print as claimed in claim 11, wherein said coated layer comprises (A) 100 parts by weight of said quaternary ammonium salt copolymer, (B) from 20 to 100 parts by weight of polyethyleneimine, (C) from 20 to 100 parts by weight of a polyaminepolyamide-epichlorohydrin adduct, and (D) from 5 to 20 parts by weight of a water-soluble inorganic salt.
References Cited (Backward Citations)
US4906526A
Cited
EP0423829A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-03-13 | 1998-09-12 | 1999-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-03-13 | 2002-09-12 | 2003-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-03-13 | 2006-09-12 | 2007-03-14 | $7700.00 | Window Closed / Lapsed |