Polymerizable compositions containing fluorochemicals to reduce melting temperature

• US 5,908,874 A
• Filed: 06/18/1996
• Issued: 06/01/1999
• Est. Priority Date: 06/18/1996
• Status: Expired due to Term

• Current Assignee: 3M Innovative Properties Company (3M Company)
• Original Assignee: 3M Innovative Properties Company (3M Company)
• Inventors: Brostrom, Myles L., Fong, Bettie C.
• Primary Examiner(s): Nguyen, Nam
• Assistant Examiner(s): VERSTEEG, STEVEN H
• Application Number:
  US08/665,613
• Time in Patent Office: 1,078 Days
• Field of Search: 522/74, 522/79, 522/187, 522/182, 522/96
• US Class Current: 522/74
• CPC Class Codes: C08F 2/02 Polymerisation in bulk
• CPC Class Codes: C08F 2/06 Organic solvent

Abstract

A polymerizable composition has added thereto a fluorochemical in sufficient quantities to reduce the melting temperature of the composition compared with that of the composition absent the fluorochemical.

Claims

1. A radiation polymerizable composition that is a solid at room temperature including a fluorochemical of a variety and in an amount effective to reduce the melting temperature of said composition below that of said composition absent said fluorochemical.

2. The polymerizable composition of claim 1 wherein said composition comprises a mixture of acrylic monomers and oligomers.

3. The polymerizable composition of claim 1 wherein said radiation is ultraviolet.

4. The polymerizable composition of claim 1 wherein said radiation is an electron beam.

5. The polymerizable composition of claim 1 wherein said fluorochemical is a surfactant.

6. The polymerizable composition of claim 1 wherein said fluorochemical is a polymerizable monomer.

7. The polymerizable composition of claim 1 wherein said fluorochemical is added in sufficient quantity to reduce the melting temperature of the said composition by at least 15°

C.

8. The polymerizable composition of claim 1, which comprises an acrylate.

9. The polymerizable composition of claim 8, wherein the acrylate has a hard segment and a soft segment.

10. The polymerizable composition of claim 1, wherein the melting temperature of said composition with said fluorochemical is no more than about 40°

C.

11. A polymerizable composition of claim 1, which consists essentially of one or more radiation-polymerizable components and the fluorochemical.

12. A polymerizable composition of claim 11, wherein the radiation-polymerizable components consists essentially of one or more acrylates.

13. A method of reducing the melting temperature of a radiation polymerizable composition that is solid at room temperature comprising the steps of

melting said composition;

and

adding to said melted composition a fluorochemical of a variety and in an amount effective to reduce the melting temperature of said composition.

14. A material formed by radiation polymerizing a radiation polymerizable composition that is a solid at room temperature including a fluorochemical of a variety and in an amount effective to reduce the melting temperature of said composition below that of said composition absent said fluorochemical.

15. The material of claim 14, which is an optical product.

16. A method of making a polymer material comprising the steps of

adding to a radiation polymerizable composition that is solid at room temperature a fluorochemical of a variety and in an amount effective to reduce the melting temperature of said composition;

and

polymerizing said composition.

17. A material formed by the method of claim 16.

18. A method as claimed in claim 16, wherein the radiation polymerizable composition comprises an acrylate.

19. A method as claimed in claim 16, wherein the fluorochemical comprises a surfactant or a polymerizable monomer.

20. A method as claimed in claim 16, wherein the polymer material is an optical material.