Claims
- 1. A film based on (i) a polyamide consisting essentially of polyamide-6 or polyamide-6,6 and (ii) a polymer containing polyamide blocks and polyether blocks, and having a structure of a polyamide matrix in which nodules of the polymer (ii) are dispersed, wherein the nodules of the polymer (ii) are smaller than 0.3 .mu.m; the polyamide blocks consisting essentially of polyamide-6 or polyamide-6,6 and the polyether blocks consisting essentially of polytetramethylene; and the ratio of the polyamide/polyether in the polymer (ii) is in the range of from 50/50 to 95/5.
- 2. The film according to claim 1, wherein the impact strength according to ISO 7765-1 (Method B) is higher than that of a film based on polyamide consisting essentially of polyamide-6, or polyamide-6,6.
- 3. The film according to claim 1, wherein the transparency is at least equal to that of a film based on polyamide consisting essentially of polyamide-6, or polyamide-6,6.
- 4. The film according to claim 1, wherein the ratio of polyamide/polyether in the polymer (ii) is in the range of between 60/40 and 75/25.
- 5. The film according to claim 2, wherein the ratio of the polyamide/polyether in the polymer (ii) is in the range of between 60/40 and 75/25.
- 6. The film according to claim 1, wherein the polyamide in (i) is the same as in the polyamide blocks of (ii).
- 7. The film according to claim 1, wherein the nodules of the polymer (ii) are about 0.1 .mu.m.
Priority Claims (1)
Number |
Date |
Country |
Kind |
94 14521 |
Dec 1994 |
FRX |
|
Parent Case Info
This application is a continuation of PCT/FR95/01586, filed Dec. 1, 1995, and now under 35 USC 371.
PCT Information
Filing Document |
Filing Date |
Country |
Kind |
102e Date |
371c Date |
PCT/FR95/01586 |
12/1/1995 |
|
|
10/15/1996 |
10/15/1996 |
Publishing Document |
Publishing Date |
Country |
Kind |
WO96/17003 |
6/6/1996 |
|
|
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
4970274 |
Chacko et al. |
Nov 1990 |
|
5239004 |
Pyke et al. |
Aug 1993 |
|
Foreign Referenced Citations (2)
Number |
Date |
Country |
63-063748 |
Mar 1988 |
JPX |
655941 |
May 1986 |
CHX |