Susceptor composite material patterned in neat polymer

• US 6,048,599 A
• Filed: 01/17/1997
• Issued: 04/11/2000
• Est. Priority Date: 01/17/1997
• Status: Expired due to Fees

• Current Assignee: 3M Innovative Properties Company (3M Company)
• Original Assignee: 3M Innovative Properties Company (3M Company)
• Inventors: Miklos, Richard L., Cosman, Armond D., Chu, Kwang H.
• Primary Examiner(s): Housel, James C.
• Assistant Examiner(s): DEVI, SARVAMANGALA J N
• Application Number:
  US08/785,564
• Time in Patent Office: 1,180 Days
• Field of Search: 428/114, 428/35.7, 428/349, 219/633, 219/634, 219/645, 219/759, 219/765, 219/690, 156/244.17, 156/272.4, 156/264, 156/272.2, 156/379.6
• US Class Current: 428/114
• CPC Class Codes: B29C 65/3612 comprising fillers
• CPC Class Codes: B29C 65/368 with a polymer coating
• CPC Class Codes: B29C 65/4815 Hot melt adhesives, e.g. thermoplastic adhesives
• CPC Class Codes: B29C 65/5007 characterised by the structure of said adhesive tape, threads or the like
• CPC Class Codes: B29C 65/5057 positioned between the surfaces to be joined B29C65/5035 takes precedence
• CPC Class Codes: B29C 66/1122 Single lap to lap joints, i.e. overlap joints B29C66/45, B29C66/472, B29C66/52272 take precedence
• CPC Class Codes: B29C 66/45 Joining of substantially the whole surface of the articles methods or apparatus for laminating B32B37/00
• CPC Class Codes: B29C 66/71 characterised by the composition of the plastics material of the parts to be joined welding bar compositions B29C65/125
• CPC Class Codes: B29C 66/712 the composition of one of the parts to be joined being different from the composition of the other part
• CPC Class Codes: B29C 66/72321 consisting of metals or their alloys
• CPC Class Codes: B29C 66/72341 for gases
• CPC Class Codes: B29C 66/72343 for liquids
• CPC Class Codes: B29C 66/7392 characterised by the material of at least one of the parts being a thermoplastic
• CPC Class Codes: B29C 66/73921 characterised by the materials of both parts being thermoplastics
• CPC Class Codes: B29C 66/7394 characterised by the material of at least one of the parts being a thermoset
• CPC Class Codes: B29K 2023/04 Polymers of ethylene
• CPC Class Codes: B29K 2023/065 HDPE, i.e. high density polyethylene
• CPC Class Codes: B29K 2023/12 PP, i.e. polypropylene
• CPC Class Codes: C09J 5/06 involving heating of the applied adhesive
• CPC Class Codes: Y10T 156/1075 of plural laminae from single stock and assembling to each other or to additional lamina
• CPC Class Codes: Y10T 428/1352 : Polymer or resin containing [i.e., natural or synthetic]
• CPC Class Codes: Y10T 428/24132 : including grain, strips, or filamentary elements in different layers or components parallel
• CPC Class Codes: Y10T 428/2826 : Synthetic resin or polymer

Abstract

A composite material for electromagnetic fusion bonding materials together includes interconnected first and second portions forming a patterned array. The first portions include layer absorptive magnetic particles in a polymer matrix. The second portions include a polymer positioned to separate each first portion from each other first portion.

Claims

1. A composite material for electromagnetic fusion bonding, comprising:

first and second phases comprising first ard second diverse polymers, respectively, said second phase having a plurality of electromagnetic susceptor particles disposed therein;

wherein said second phase is disposed in a patterned array with respect to said first phase.

2. The composite material of claim 1, wherein said composite material comprises alternating regions of said first and second phases.

3. The composite material of claim 1, wherein said composite material comprises a plurality of strips of said second phase disposed within a matrix of said first phase.

4. The composite material of claim 1, wherein said composite material comprises a plurality of strips of said second phase disposed upon a substrate comprising said first phase.

5. The composite material of claim 4, wherein said composite material comprises a plurality of strips of said second phase disposed upon opposing surfaces of a substrate comprising said first phase.

6. The composite material of claim 3, wherein each of said plurality of strips are separated from each other by said first phase.

7. The composite material of claim 4, wherein each of said plurality of strips are separated from each other by said first phase.

8. The composite material of claim 1, wherein said composite material comprises a plurality of strips of said second phase which are spaced apart and embedded into a substrate comprising said first phase.

9. The composite material of claim 1, wherein said composite material comprises a plurality of plate-like bodies of said second phase disposed within a matrix of said first phase.

10. The composite material of claim 1, wherein said composite material comprises a plurality of plate-like bodies of said second phase disposed upon a substrate comprising said first phase.

11. The composite material of claim 10, wherein said composite material comprises a plurality of plate-like bodies of said second phase disposed upon opposing surfaces of a substrate comprising said first phase.

12. The composite material of claim 9, wherein each of said plurality of strips are separated from each other by said first phase.

13. The composite material of claim 10, wherein each of said plurality of strips are separated from each other by said first phase.

14. The composite material of claim 1, comprising a sheet of alternating side-by-side strips of said first and second phases.

15. The composite material of claim 1, wherein said second phase comprises a plurality of layer absorptive magnetic particles compounded in a matrix of said second polymer.

16. The composite material of claim 1, wherein said second polymer is polyethylene.

17. The composite material as defined in claim 16, wherein said polymer is high density polyethylene.

18. The composite material of claim 1, wherein said second phase is disposed in criss-crossing strips which form a net-like pattern, said strips being spaced apart and embedded into a substrate of said first polymer.

19. A composite material for electromagnetic fusion bonding, comprising:

first and second phases comprising first and second diverse polymers, respectively, said second phase having a plurality of electromagnetic susceptor particles disposed therein;

wherein said second phase is disposed in a patterned array of elements with respect to said first phase and wherein said first phase is positioned to separate each second phase element from each other second phase element.