Claims
- 1. A disc jacket for a magnetic disc comprising a disc jacket and a flexible magnetic disc retained in the disc jacket, said disc jacket having openings for operating the magnetic disc from outside, wherein the improvement comprises a fibrous layer containing antistatic agents attached to the inner surface of the jacket, said antistatic agent being selected from the group consisting of anionic type antistatic agents having a composition formula of (C.sub.18 H.sub.35 OCO.COOH.H.sub.2 NC.sub.18 H.sub.35), cationic type antistatic agents having a composition formula of ##STR11## and amphoteric type antistatic agents having a composition formula of ##STR12##
- 2. A disc jacket as claimed in claim 1 wherein said fibrous layer has a thickness of from about 20 to about 2,000 .mu.m.
- 3. A disc jacket as claimed in claim 1 wherein about 1 to about 30 parts by weight of said antistatic agents are contained per 100 parts by weight of said fibrous layer.
Priority Claims (1)
Number |
Date |
Country |
Kind |
52/25001 |
Mar 1977 |
JPX |
|
Parent Case Info
This is a continuation of application Ser. No. 881,436, filed Feb. 27, 1978, now abandoned.
US Referenced Citations (5)
Foreign Referenced Citations (1)
Number |
Date |
Country |
2545091 |
Aug 1976 |
DEX |
Continuations (1)
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Number |
Date |
Country |
Parent |
881436 |
Feb 1978 |
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