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US4710403A Expired / Lapsed US ⏱️ 0.0 years remaining

Metallized polymers

Assignee: 3M Co
•
Filing: 1986-05-05
•
Granted: 1987-12-01
•
Expires: 2006-05-05
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Abstract

Abstract Formation of well-adhered metal layers on aromatic polymeric substrates through a two-step process is based upon reversible charge storage in the electroactive center-containing polymeric substrate. Articles particularly useful for electronic, imaging and solar applications are produced. The process disclosed may be a totally additive process such that articles can be produced in a continuous manner.

Inventors

  • 👤 Larry J. Krause
  • 👤 Jack A. Rider

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 20:02
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; H; H05; H05K; H05K3/00; H05K3/10; H05K3/18; H05K3/181; C23C18/52

Claims Analysis

Total Claims: 42
Claim 1
Independent Claim 188 words
A process for the deposition of metal layers onto at least one polymeric surface having electroactive sites therein comprising contacting said at least one polymeric surface with a first solution wherein at least 10 molar percent of all negative charge intercalation ions within said first solution are selected from the group consisting of monoatomic ions and complexed transition metals as negative charge intercalation ions and wherein the half-wave potential of said at least 10 molar percent of said negative charge intercalation ions is negative with respect to the half-wave potential of the electroactive sites in said polymer surface, thereby reducing the polymer of said at least one polymeric surface without substantial plating of metal onto said at least one polymeric surface, then contacting said at least one surface of the reduced polymer with a second solution having reducible metal cations therein so that the reduced polymer of said at least one polymeric surface reduces the metallic ion to form metal in a form selected from the group consisting of metal film on said at least one polymer surface and metal particles within said at least one polymer surface.
Claim 2
Dependent Claim 188 words
A process for the deposition of metal layers onto at least one polymeric surface having electroactive sites therein comprising contacting said at least one polymeric surface with a first solution wherein at least 10 molar percent of all negative charge intercalation ions within said first solution are selected from the group consisting of monoatomic ions and complexed transition metals as negative charge intercalation ions and wherein the half-wave potential of said at least 10 molar percent of said negative charge intercalation ions is negative with respect to the half-wave potential of the electroactive sites in said polymer surface, thereby reducing the polymer of said at least one polymeric surface without substantial plating of metal onto said at least one polymeric surface, then contacting said at least one surface of the reduced polymer with a second solution having reducible metal cations therein so that the reduced polymer of said at least one polymeric surface reduces the metallic ion to form metal in a form selected from the group consisting of metal film on said at least one polymer surface and metal particles within said at least one polymer surface.
Claim 3
Dependent Claim 34 words
The process of claim 1 wherein said monatomic ions and transition metal complexes as negative charge intercalation ions comprise at least 60 molar percent of all negative charge intercalation ions in said first solution.
Claim 4
Dependent Claim 34 words
The process of claim 1 wherein said monoatomic ions and transition metal complexes as negative charge intercalation ions comprise at least 90 molar percent of all negative charge intercalation ions in said first solution.
Claim 5
Dependent Claim 44 words
The process of claim 1 wherein said monatomic ions and transition metal complexes as negative charge intercalation ions comprise 100 molar percent of the negative charge intercalation ions in said first solution and said first solution is free of Zintl complexes and Zintl anions.
Claim 6
Dependent Claim 19 words
The process of claim 1 wherein said ions are selected from Te 2- ions, and Co(I) and V(II) complexes.
Claim 7
Dependent Claim 19 words
The process of claim 2 wherein said ions are selected from Te 2- ions, and Co(I) and V(II) complexes.
Claim 8
Dependent Claim 15 words
The process of claim 3 wherein said ions are selected from Co(I) and V(II) complexes.
Claim 9
Dependent Claim 19 words
The process of claim 4 wherein said ions are selected from Te 2- ions, and Co(I) and V(II) complexes.
Claim 10
Dependent Claim 20 words
The process of claim 1 wherein metal particles are deposited within the polymer of said at least one polymeric surface.
Claim 11
Dependent Claim 22 words
The process of claim 9 wherein at least some of said metal particles are deposited at a depth greater than 1 micron.
Claim 12
Dependent Claim 20 words
The process of claim 4 wherein metal particles are deposited within the polymer of said at least one polymeric surface.
Claim 13
Dependent Claim 22 words
The process of claim 11 wherein at least some of said metal particles are deposited at a depth greater than 1 micron.
Claim 14
Dependent Claim 20 words
The process of claim 5 wherein metal particles are deposited within the polymer of said at least one polymeric surface.
Claim 15
Dependent Claim 20 words
The process of claim 8 wherein metal particles are deposited within the polymer of said at least one polymeric surface.
Claim 16
Dependent Claim 22 words
The process of claim 14 wherein at least some of said metal particles are deposited at a depth greater than 1 micron.
Claim 17
Dependent Claim 19 words
The process of claim 1 wherein said polymer of said at least one polymeric surface contains imide electroactive sites.
Claim 18
Dependent Claim 19 words
The process of claim 4 wherein said polymer of said at least one polymeric surface contains pyromellitimide electroactive sites.
Claim 19
Dependent Claim 19 words
The process of claim 15 wherein said polymer of said at least one polymeric surface contains pyromellitimide electroactive sites.
Claim 20
Dependent Claim 19 words
The process of claim 1 wherein said polymer of said at least one polymeric surface contains pyromellitimide electroactive sites.
Claim 21
Dependent Claim 17 words
The process of claim 1 wherein said polymer of said at least one polymeric surface comprises polyimide.
Claim 22
Dependent Claim 17 words
The process of claim 15 wherein said polymer of said at least one polymeric surface comprises polyimide.
Claim 23
Dependent Claim 29 words
The process of claim 1 wherein after at least 25% of the reduced polymer is oxidized by the metallic ion to form metal, a second metallization process is begun.
Claim 24
Dependent Claim 29 words
The process of claim 1 wherein after at least 50% of the reduced polymer is oxidized by the metallic ion to form metal, a second metallization process is begun.
Claim 25
Dependent Claim 29 words
The process of claim 1 wherein after at least 90% of the reduced polymer is oxidized by the metallic ion to form metal, a second metallization process is begun.
Claim 26
Dependent Claim 28 words
The process of claim 1 wherein after substantially all of the reduced polymer is oxidized by the metallic ion to form metal, a second metallization process is begun.
Claim 27
Dependent Claim 29 words
The process of claim 5 wherein after at least 25% of the reduced polymer is oxidized by the metallic ion to form metal, a second metallization process is begun.
Claim 28
Dependent Claim 28 words
The process of claim 8 wherein after substantially all of the reduced polymer is oxidized by the metallic ion to form metal, a second metallization process is begun.
Claim 29
Dependent Claim 29 words
The process of claim 10 wherein after at least 25% of the reduced polymer is oxidized by the metallic ion to form metal, a second metallization process is begun.
Claim 30
Dependent Claim 29 words
The process of claim 11 wherein after at least 90% of the reduced polymer is oxidized by the metallic ion to form metal, a second metallization process is begun.
Claim 31
Dependent Claim 28 words
The process of claim 15 wherein after substantially all of the reduced polymer is oxidized by the metallic ion to form metal, a second metallization process is begun.
Claim 32
Dependent Claim 29 words
The process of claim 16 wherein after at least 25% of the reduced polymer is oxidized by the metallic ion to form metal, a second metallization process is begun.
Claim 33
Dependent Claim 29 words
The process of claim 17 wherein after at least 25% of the reduced polymer is oxidized by the metallic ion to form metal, a second metallization process is begun.
Claim 34
Dependent Claim 29 words
The process of claim 18 wherein after at least 25% of the reduced polymer is oxidized by the metallic ion to form metal, a second metallization process is begun.
Claim 35
Dependent Claim 29 words
The process of claim 16 wherein after at least 90% of the reduced polymer is oxidized by the metallic ion to form metal, a second metallization process is begun.
Claim 36
Dependent Claim 29 words
The process of claim 18 wherein after at least 90% of the reduced polymer is oxidized by the metallic ion to form metal, a second metallization process is begun.
Claim 37
Dependent Claim 28 words
The process of claim 16 wherein after substantially all of the reduced polymer is oxidized by the metallic ion to form metal, a second metallization process is begun.
Claim 38
Dependent Claim 28 words
The process of claim 18 wherein after substantially all of the reduced polymer is oxidized by the metallic ion to form metal, a second metallization process is begun.
Claim 39
Dependent Claim 207 words
A process for the deposition of metal layers onto at least one polymeric surface having electroactive sites therein comprising contacting said at least one polymeric surface with a first solution wherein at least 10 molar percent of all negative charge intercalation ions within said first solution are selected from the group consisting of monoatomic ions and complexed transition metals as negative charge intercalation ions and wherein the half-wave potential of said at least 10 molar percent of said negative charge intercalation ions is negative with respect to the half-wave potential of the polymer in said polymer surface, thereby reducing the polymer of said at least one polymeric surface without substantial plating of metal onto said at least one polymeric surface, then contacting said at least one surface of the reduced polymer with a second solution having reducible metal cations therein so that the reduced polymer of said at least one polymeric surface reduces the metallic ion to form metal in a form selected from the group consisting of metal film on said at least one polymer surface and metal particles within said at least one polymer surface, said at least 10 molar percent of said negative charge intercalation ions being exclusive of Zintl complexes and Zintl anions.
Claim 40
Dependent Claim 207 words
A process for the deposition of metal layers onto at least one polymeric surface having electroactive sites therein comprising contacting said at least one polymeric surface with a first solution wherein at least 10 molar percent of all negative charge intercalation ions within said first solution are selected from the group consisting of monoatomic ions and complexed transition metals as negative charge intercalation ions and wherein the half-wave potential of said at least 10 molar percent of said negative charge intercalation ions is negative with respect to the half-wave potential of the polymer in said polymer surface, thereby reducing the polymer of said at least one polymeric surface without substantial plating of metal onto said at least one polymeric surface, then contacting said at least one surface of the reduced polymer with a second solution having reducible metal cations therein so that the reduced polymer of said at least one polymeric surface reduces the metallic ion to form metal in a form selected from the group consisting of metal film on said at least one polymer surface and metal particles within said at least one polymer surface, said at least 10 molar percent of said negative charge intercalation ions being exclusive of Zintl complexes and Zintl anions.
Claim 41
Dependent Claim 132 words
A process for the deposition of meta layers onto at least one polymeric surface hasving electroactive sites therein comprising contacting said at least one polymeric surface with a first ionic solution wherein the ions are selected from the group consisting of Co(I) and V(II) complexes, thereby reducing the polymer of said at least one polymeric surfaces without substantial plating of metal onto sasid at least one polymeric surace, then contacting said at least one polymeric surface with a second solution having reducible metal cations therein so that the reduced polymer of said at least one polymeric surface reduces the metallic ions tO form metal in a form selected from the group consisting of metal film on said at leat one polymer surface and metal particles within said at least one polymer surface.
Claim 42
Dependent Claim 132 words
A process for the deposition of meta layers onto at least one polymeric surface hasving electroactive sites therein comprising contacting said at least one polymeric surface with a first ionic solution wherein the ions are selected from the group consisting of Co(I) and V(II) complexes, thereby reducing the polymer of said at least one polymeric surfaces without substantial plating of metal onto sasid at least one polymeric surace, then contacting said at least one polymeric surface with a second solution having reducible metal cations therein so that the reduced polymer of said at least one polymeric surface reduces the metallic ions tO form metal in a form selected from the group consisting of metal film on said at leat one polymer surface and metal particles within said at least one polymer surface.

References Cited (Backward Citations)

US4459330A Cited
US4617204A Cited
US4512855A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1990-11-30 1991-06-01 1991-12-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1994-11-30 1995-06-01 1995-12-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1998-11-30 1999-06-01 1999-12-01 $7700.00 Window Closed / Lapsed

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