Claims
- 1. A process for producing foamed, cured EPDM compositions comprising:
- mixing EPDM, a carbon black having a CTAB of 50 to 60 m.sup.2 /g, and a DBP of 90 to 115 cc/100 g and a blowing agent, and
- foaming and curing the resulting mixture,
- wherein the carbon black is present in an amount of 50-250 phr.
- 2. The process of claim 1 further comprising the step of extruding or shaping the resulting mixture of the EPDM, the carbon black and the blowing agent prior to foaming and curing.
- 3. The process of claim 1 wherein the mixture is cured utilizing UHF microwaves.
- 4. The process of claim 2 wherein the mixture is cured utilizing UHF microwaves.
- 5. The process of claim 4 wherein the carbon black is present in an amount of 100-200 phr.
- 6. A process for weatherstripping a surface comprising:
- sealing the surface with a foamed, cured EPDM composition comprising EPDM and a carbon black having a CTAB of 50 to 60 m.sup.2 /g, and a DBP of 90 to 115 cc/100 g,
- wherein the carbon black is present in an amount of 50-250 phr.
- 7. The process for weatherstripping of claim 6 wherein carbon black is present in an amount of 100-200 phr.
Parent Case Info
This application is a divisional of application U.S. Ser. No. 08/317,208, filed Oct. 3, 1994, now U.S. Pat. No. 5,700,845.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
5262471 |
Akao |
Nov 1993 |
|
5700845 |
Chung et al. |
Dec 1997 |
|
Foreign Referenced Citations (2)
Number |
Date |
Country |
4246440 |
Sep 1992 |
JPX |
WO 9321270 |
Oct 1993 |
WOX |
Non-Patent Literature Citations (1)
Entry |
International Search Report from European Patent Office mailed Jan. 22, 1996, in PCT/US95/11640 (based on U.S. Appln. Serial No. 08/317,208). |
Divisions (1)
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Number |
Date |
Country |
Parent |
317208 |
Oct 1994 |
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