Multilayer polymer pipe
US5716684A · kind A · utility
10Cited by
6References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 26, 1995 |
| Grant date | Feb 10, 1998 |
| Priority date | — |
| Expiry date | May 26, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31743
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The present invention relates to polyamide/polyvinylidine fluoride blends and multilayer tubes made therefrom. The blends have spherical morphology and a polyamide matrix with dispersed polyvinylidine fluoride phases; with the polyamide of the polyamide/polyvinylidine fluoride blend having a shear viscosity of 1.5 to 7 times greater than that of the polyvinylidine fluoride of blend.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.