Resources Contact Us Home
Polypropylene fibers having improved heat-shrinkability and tenacity

Image Number 2 for United States Patent #4560734.

Polypropylene fibers having a much improved percentage heat shrinkage and also an improved tenacity are provided, which fibers comprise a polypropylene resin having a density of 0.905 or more, an isotactic pentad ratio of boiling n-heptane-insoluble portion (P.sub.0) of 0.960 or more and a ratio of pentad having two different kinds of configurations (P.sub.2), of 0.002 (0.2%) or less.

  Recently Added Patents
Vehicle display system or projection display for a motor vehicle, and calibration method
High-frequency-link power-conversion system having direct double-frequency ripple current control and method of use
Method to quantify siRNAs, miRNAs and polymorphic miRNAs
Multiple angle bend for high-voltage lines
Connector with shielding device and method for manufacturing connector
Prevention and reduction of blood loss
Tag-based apparatus and methods for neural networks
  Randomly Featured Patents
High-power battery
Method of making forms for investment casting and products produced therefrom
Water sweeper
Magnetic heading simulator
Finger ring
Automobile ventilator
Developing device, process cartridge, and image forming apparatus
Illuminator for aquarium tank
System and method for managing power consumption for a plurality of processors based on a supply voltage to each processor, temperature, total power consumption and individual processor power
Hybrid mushroom strain J9277 and its descendants