Claims
- 1. A cement reinforcing fiber prepared by a process comprising:
- impregnating a carbon fiber with from 50 to 200% by weight, relative to said fiber, of a thermosetting epoxy resin;
- coating the impregnated carbon fiber with from 10 to 200% by weight, relative to said fiber, of a styrene-butadiene rubber latex; and then curing said coated fiber.
- 2. The cement reinforcing fiber of claim 1, wherein said styrene butadiene rubber latex contains a vulcanizing agent and a vulcanizing accelerator.
- 3. The cement reinforcing fiber of claim 1, wherein said styrene-butadiene rubber latex is a self-crosslinking modified rubber latex.
- 4. The cement reinforcing fiber of claim 1, wherein said fiber is coated with said styrene-butadiene rubber latex after the thermosetting epoxy resin has partially cured.
- 5. The cement reinforcing fiber of claim 1, wherein said rubber latex has a filler dispersed therein.
Priority Claims (2)
Number |
Date |
Country |
Kind |
61-93670 |
Apr 1986 |
JPX |
|
61-103479 |
May 1986 |
JPX |
|
Parent Case Info
This is a continuation of Ser. No. 038,899, filed 4/16/87, now abandoned.
US Referenced Citations (6)
Continuations (1)
|
Number |
Date |
Country |
Parent |
38899 |
Apr 1987 |
|