US4533685A
Expired / Lapsed
US
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Polymer-metal blend
Assignee: Princeton Polymer Laboratories Inc
•
Filing: 1983-07-26
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Granted: 1985-08-06
•
Expires: 2003-07-26
Abstract
Abstract Metallized polymers are made by melting the metal and polymer together. The products have improved impact resistance and electrical and thermal conductivity. They can also be used for electromagnetic interference shielding.
Inventors
- 👤 Donald E. Hudgin
- 👤 Mohammad A. Semsarzadeh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:51
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/02; C08K3/08; H; H01; H01B; H01B1/00; H01B1/20; H01B1/22
Claims Analysis
Total Claims: 35
Claim 1
Independent Claim
29 words
Electrically conducting metallized organic polymer blend prepared by melting the metal with the polymer, the metal having a melting point within the softening to molten range of the polymer.
Claim 2
Dependent Claim
29 words
Electrically conducting metallized organic polymer blend prepared by melting the metal with the polymer, the metal having a melting point within the softening to molten range of the polymer.
Claim 3
Dependent Claim
16 words
Electrically conducting metallized polymer blend according to claim 1 wherein the polymer is a thermoplastic resin.
Claim 4
Dependent Claim
16 words
Electrically conducting metallized polymer blend according to claim 1 wherein the polymer is a thermosetting polymer.
Claim 5
Dependent Claim
15 words
Electrically conducting metallized thermoset polymer blend prepared by curing the metallized polymer of claim 3.
Claim 6
Dependent Claim
26 words
Electrically conducting metallized polymer blend according to claim 1 containing 20 to 50% by weight of the metal based on the total of polymer and metal.
Claim 7
Dependent Claim
15 words
A composition consisting essentially of the electrically conducting metallized organic polymer blend of claim 1.
Claim 8
Dependent Claim
16 words
A composition comprising the electrically conducting metallized organic polymer blend of claim 1 and a filler.
Claim 9
Dependent Claim
17 words
A composition comprising the electrically conducting metallized organic polymer blend of claim 1 containing a fibrous filler.
Claim 10
Dependent Claim
17 words
A composition comprising the electrically conducting metallized organic polymer blend of claim 1 containing a non-fibrous filler.
Claim 11
Dependent Claim
20 words
A blend according to claim 1 wherein the metal is 5 to 70% of the total of metal and polymers.
Claim 12
Dependent Claim
14 words
Electrically conducting metallized polymer blend prepared by melting both the metal and the polymer.
Claim 13
Dependent Claim
14 words
Electrically conducting metallized polymer blend prepared by melting both the metal and the polymer.
Claim 14
Dependent Claim
15 words
Electrically conducting metallized polymer according to claim 11 wherein the polymer is a thermoplastic resin.
Claim 15
Dependent Claim
14 words
Electrically conducting metallized polymer according to claim 11 wherein the polymer is an elastomer.
Claim 16
Dependent Claim
15 words
Electrically conducting metallized polymer according to claim 11 wherein the polymer is a thermosetting resin.
Claim 17
Dependent Claim
15 words
Electrically conducting metallized thermoset polymer blend prepared by curing the metallized polymer of claim 14.
Claim 18
Dependent Claim
26 words
Electrically conducting metallized polymer blend according to claim 11 containing 20 to 50% by weight of the metal based on the total of polymer and metal.
Claim 19
Dependent Claim
15 words
A composition consisting essentially of the electrically conducting metallized organic polymer blend of claim 11.
Claim 20
Dependent Claim
16 words
A composition comprising the electrically conducting metallized organic polymer blend of claim 11 and a filler.
Claim 21
Dependent Claim
17 words
A composition comprising the electrically conducting metallized organic polymer blend of claim 11 and a fibrous filler.
Claim 22
Dependent Claim
17 words
A composition comprising the electrically conducting metallized organic polymer blend of claim 11 and a non-fibrous filler.
Claim 23
Dependent Claim
20 words
A blend according to claim 11 wherein the metal is 5 to 70% of the total of metal and polymer.
Claim 24
Dependent Claim
42 words
A process of preparing an electrically conducting metallized plastic blend comprising incorporating a molten metal in an organic polymer matrix at a temperature within the softening to molten range of the polymer and continuing the incorporation until the blend is electrically conducting.
Claim 25
Dependent Claim
42 words
A process of preparing an electrically conducting metallized plastic blend comprising incorporating a molten metal in an organic polymer matrix at a temperature within the softening to molten range of the polymer and continuing the incorporation until the blend is electrically conducting.
Claim 26
Dependent Claim
18 words
A process according to claim 22 comprising working the metal into strands of metal throughout the polymer matrix.
Claim 27
Dependent Claim
23 words
A process according to claim 22 comprising intimately mixing particles of the metal with particles of the polymer prior to melting the metal.
Claim 28
Dependent Claim
16 words
A process according to claim 22 comprising melting the metal prior to admixing with the polymer.
Claim 29
Dependent Claim
15 words
A process according to claim 25 wherein the molten metal is mixed with molten polymer.
Claim 30
Dependent Claim
19 words
An electrically conducting metallized organic polymer blend according to claim 1 wherein the metal is present in fibrous form.
Claim 31
Dependent Claim
34 words
An electrically conducting metallized organic polymer blend according to claim 27 wherein the fibrous metal is in the form of strands of metal which are continuously touching over long distances throughout the polymer matrix.
Claim 32
Dependent Claim
28 words
An electrically conducting metallized polymer blend according to claim 1 containing about 50% of metal and having about the same electrically conductivity as 100% of the same metal.
Claim 33
Dependent Claim
49 words
An electrically conducting metallized organic polymer blend according to claim 1 having a DC resistivity of not more than 28 ohms measured on a sample in the form of a disc having a diameter of 4.8 centimeter and a thickness of 0.4 centimeter and held by aluminum sample holders.
Claim 34
Dependent Claim
22 words
An electrically conducting metallized organic polymer blend according to claim 30 wherein the metal of the blend is present in fibrous form.
Claim 35
Dependent Claim
34 words
An electrically conducting metallized organic polymer blend according to claim 31 wherein the fibrous metal is in the form of strands of metal which are continuously touching over long distances throughout the polymer matrix.
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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) | 1988-08-05 | 1989-02-04 | 1989-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-08-05 | 1993-02-04 | 1993-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-08-05 | 1997-02-04 | 1997-08-06 | $7700.00 | Window Closed / Lapsed |