US4959178A
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Actinic radiation-curable conductive polymer thick film compositions and their use thereof
Assignee: Acheson Industries Inc
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Filing: 1987-01-27
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Granted: 1990-09-25
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Expires: 2007-01-27
Abstract
Abstract An actinic radiation curable polymer thick film composition comprising by weight: (a) about 10 to about 20 parts of an unsaturated monomer capable of being polymerized by actinic radiation; (b) about 2.5 to about 8 parts of at least one thermoplastic polymer having a glass transition value of above about 100° F. and not capable of being substantially cross-linked with monomer (a) and said polymer (b) is dissolved in monomer (a); (c) about 68 to about 85 parts of conductive metal particles; and (d) about 0.1 to about 5 parts of at least one actinic radiation polymerization initiator.
Inventors
- 👤 Richard L. Frentzel
- 👤 Noel C. Peralta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:40
CPC Classifications
H; H05; H05K; H05K1/00; H05K1/02; H05K1/09; H05K1/092; H05K1/095; C; C09; C09D; C09D4/00; C09D4/06; C09D5/00; C09D5/24
Claims Analysis
Total Claims: 28
Claim 1
Independent Claim
102 words
An actinic radiation curable polymer thick film composition comprising by weight: (a) about 10 to about 20 parts of at least one mono-functional unsaturated monomer capable of being polymerized by actinic radiation; (b) about 2.5 to about 8 parts of at least one thermoplastic polymer having a glass transition value of above about 100° F. and not capable of being substantially cross-linked with polymerized monomer (a) and said polymer (b) is dissolved in monomer (a); (c) about 68 to about 85 parts of conductive metal particles; and (d) about 0.1 to about 5 parts of at least one actinic radiation polymerization initiator.
Claim 2
Dependent Claim
102 words
An actinic radiation curable polymer thick film composition comprising by weight: (a) about 10 to about 20 parts of at least one mono-functional unsaturated monomer capable of being polymerized by actinic radiation; (b) about 2.5 to about 8 parts of at least one thermoplastic polymer having a glass transition value of above about 100° F. and not capable of being substantially cross-linked with polymerized monomer (a) and said polymer (b) is dissolved in monomer (a); (c) about 68 to about 85 parts of conductive metal particles; and (d) about 0.1 to about 5 parts of at least one actinic radiation polymerization initiator.
Claim 3
Dependent Claim
11 words
The composition of claim 1 wherein said monomer (a) is N-vinyl-2-pyrrolidone.
Claim 4
Dependent Claim
16 words
The composition of claim 1 wherein said thermoplastic polymer (b) is a polyvinylidene chloride lacrylonitrile copolymer.
Claim 5
Dependent Claim
14 words
The composition of claim 1 wherein said thermoplastic polymer (b) is a polyester polymer.
Claim 6
Dependent Claim
13 words
The composition of claim 1 wherein said metal particles (c) are silver flakes.
Claim 7
Dependent Claim
14 words
The composition of claim 1 wherein said polymerization initiator (d) is a UV photoinitiator.
Claim 8
Dependent Claim
47 words
The composition of claim 1 wherein (a) is present in about 12 to about 18 parts; (b) is present in about 3 to about 6 parts; (c) is present in about 70 to about 82 parts; and (d) is present in about 0.3 to about 2 parts.
Claim 9
Dependent Claim
79 words
An actinic radiation curable composition comprising by weight: (a) about 12 to about 18 parts of N-vinyl-2-pyrrolidone; (b) about 3 to about 6 parts of at least one thermoplastic polymer having a glass transition value of above about 100° F. and not capable of substantially cross-linking with polymerized N-vinyl-2-pyrrolidone and said polymer (b) is dissolved in N-vinyl-2-pyrrolidone (c) about 70 to about 82 parts of silver particles; and (d) about 0.3 to about 2 parts of a UV photoinitiator.
Claim 10
Dependent Claim
79 words
An actinic radiation curable composition comprising by weight: (a) about 12 to about 18 parts of N-vinyl-2-pyrrolidone; (b) about 3 to about 6 parts of at least one thermoplastic polymer having a glass transition value of above about 100° F. and not capable of substantially cross-linking with polymerized N-vinyl-2-pyrrolidone and said polymer (b) is dissolved in N-vinyl-2-pyrrolidone (c) about 70 to about 82 parts of silver particles; and (d) about 0.3 to about 2 parts of a UV photoinitiator.
Claim 11
Dependent Claim
16 words
The composition of claim 8 wherein said thermoplastic polymer (b) is a polyvinylidene chloride lacrylonitrile copolymer.
Claim 12
Dependent Claim
14 words
The composition of claim 8 wherein said thermoplastic polymer (b) is a polyester polymer.
Claim 13
Independent Claim
140 words
A method of preparing a polymer thick film on a substrate comprising the steps of: (1) providing a polymer thick film composition comprising: (a) about 10 to about 20 parts of at least one mono-functional unsaturated monomer capable of being polymerized by actinic radiation; (b) about 2.5 to about 8 parts of at least one thermoplastic polymer having a glass transition value of above about 100° F. and not capable of being substantially cross-linked with polymerized monomer (a) and said polymer (b) is dissolved in monomer (a); (c) about 68 to about 85 parts of conductive metal particles; and (d) about 0.1 to about 5 parts of at least one actinic radiation polymerization initiator. (2) applying said composition to a substrate, and (3) curing said composition onto said substrate by exposing said mixture to a sufficient amount of actinic radiation.
Claim 14
Independent Claim
140 words
A method of preparing a polymer thick film on a substrate comprising the steps of: (1) providing a polymer thick film composition comprising: (a) about 10 to about 20 parts of at least one mono-functional unsaturated monomer capable of being polymerized by actinic radiation; (b) about 2.5 to about 8 parts of at least one thermoplastic polymer having a glass transition value of above about 100° F. and not capable of being substantially cross-linked with polymerized monomer (a) and said polymer (b) is dissolved in monomer (a); (c) about 68 to about 85 parts of conductive metal particles; and (d) about 0.1 to about 5 parts of at least one actinic radiation polymerization initiator. (2) applying said composition to a substrate, and (3) curing said composition onto said substrate by exposing said mixture to a sufficient amount of actinic radiation.
Claim 15
Dependent Claim
14 words
The method of claim 11 wherein said applying step (2) comprises a screening operation.
Claim 16
Dependent Claim
13 words
The method of claim 11 wherein said actinic radiation is UV light energy.
Claim 17
Dependent Claim
10 words
The method of claim 11 wherein said substrate is rigid.
Claim 18
Dependent Claim
10 words
The method of claim 11 wherein said substrate is flexible.
Claim 19
Dependent Claim
76 words
A cured polymer thick film composition consisting essentially of by weight: (a) about 10 to about 20 parts of at least one polymerized mono-functional monomer, said monomer polymerized by means of actinic radiation; (b) about 2.5 to about 8 parts of at least one thermoplastic polymer having a glass transition value of about 100° F.; (c) about 68 to about 85 parts of conductive metal particles; and wherein substantially no cross-linking occurs between (a) and (b).
Claim 20
Dependent Claim
76 words
A cured polymer thick film composition consisting essentially of by weight: (a) about 10 to about 20 parts of at least one polymerized mono-functional monomer, said monomer polymerized by means of actinic radiation; (b) about 2.5 to about 8 parts of at least one thermoplastic polymer having a glass transition value of about 100° F.; (c) about 68 to about 85 parts of conductive metal particles; and wherein substantially no cross-linking occurs between (a) and (b).
Claim 21
Dependent Claim
12 words
The cured composition of claim 16 wherein said monomer (a) is N-vinyl-2-pyrrolidone.
Claim 22
Dependent Claim
17 words
The cured composition of claim 16 wherein said thermoplastic polymer (b) is a polyvinylidene chloride lacrylonitrile copolymer.
Claim 23
Dependent Claim
15 words
The cured composition of claim 16 wherein said thermoplastic polymer (b) is a polyester polymer.
Claim 24
Dependent Claim
14 words
The cured composition of claim 16 wherein said metal particles (c) are silver flakes.
Claim 25
Dependent Claim
37 words
The cured composition of claim 16 wherein (a) is present in about 12 to about 18 parts; (b) is present in about 3 to about 6 parts; (c) is present in about 70 to about 82 parts.
Claim 26
Dependent Claim
80 words
A substrate having a conductive polymer thick film coating thereon which consists essentially of by weight: (a) about 10 to about 20 parts of a polymerized mono-functional monomer, said monomer polymerized by means of actinic radiation; (b) about 2.5 to about 8 parts of at least one thermoplastic polymer having a glass transition value of above about 100° F.; (c) about 68 to about 85 parts of conductive metal particles; and wherein substantially no cross-linking occurs between (a) and (b).
Claim 27
Dependent Claim
80 words
A substrate having a conductive polymer thick film coating thereon which consists essentially of by weight: (a) about 10 to about 20 parts of a polymerized mono-functional monomer, said monomer polymerized by means of actinic radiation; (b) about 2.5 to about 8 parts of at least one thermoplastic polymer having a glass transition value of above about 100° F.; (c) about 68 to about 85 parts of conductive metal particles; and wherein substantially no cross-linking occurs between (a) and (b).
Claim 28
Dependent Claim
11 words
The coated substrate of claim 22 wherein said substrate is flexible.
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1993-09-24 | 1994-03-26 | 1994-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-09-24 | 1998-03-26 | 1998-09-25 | $3760.00 | Window Closed / Lapsed |
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