Claims
- 1. A composition comprised of
- (a) about 85 to 99 weight percent polyacetal,
- (b) 0 to 5 weight percent polytetrafluoroethylene fibers,
- (c) about 0.5 to 5 weight percent of an ethylene methyl acrylate copolymer having a number average particle size of less than 15 microns, and
- (d) about 0.5 to 5 weight percent of at least one lubricant, with said percents being based upon the total weight of components (a), (b), (c), and (d) only.
- 2. The composition of claim 1 wherein the polyacetal is an acetal homopolymer.
- 3. The composition of claim 1 wherein the polyacetal is an acetal copolymer.
- 4. The composition of claim 1 wherein the lubricant is selected from the group consisting of paraffin wax, paraffin oil, fatty esters, fatty amides, silicon gum, silicon oil, and polyether glycol.
- 5. The composition of claim 1 further comprising at least one of thermal stabilizers, co-stabilizers, antioxidants, colorants, toughening agents, reinforcing agents, ultraviolet light stabilizers, nucleating agents, glass, fillers, or mixtures thereof.
- 6. The composition of claim 1, wherein the composition comprises from 1 to 4 weight percent polytetrafluoroethylene fibers.
Parent Case Info
This is a continuation-in-part of application Ser. No. 08/243,611, filed May 16, 1994, now abandoned, which was a continuation of application Ser. No. 08/035,062filed Mar. 22, 1993, now abandoned.
US Referenced Citations (4)
Number |
Name |
Date |
Kind |
4436200 |
Hodlewsky et al. |
Mar 1995 |
|
4649172 |
Yanase et al. |
Mar 1987 |
|
4666995 |
Auerbach et al. |
May 1987 |
|
5173532 |
Endo et al. |
Dec 1992 |
|
Continuations (1)
|
Number |
Date |
Country |
Parent |
35062 |
Mar 1993 |
|
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
243611 |
May 1994 |
|