Process of making a flat yarn from polyoxymethylene film

Details Process of making a flat yarn from polyoxymethylene film Process of making a flat yarn from polyoxymethylene film

2006-04-04

2006-04-04

Tentoni, Leo B. (Department: 1732)

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Production of continuous or running length

C264S147000, C264S210500, C264S210800, C264S235600

Reexamination Certificate

active

07022280

ABSTRACT:
A flat yarn of a high strength and a high modulus of elasticity, being excellent in solvent resistance, thermal stability and resistance to bending fatigue is provided. The flat yarn comprises polyoxymethylene copolymer containing 0.5 to 10 moles of specified oxyalkylene units per 100 moles of oxymethylene units in the polymer chain principally comprising repeating oxymethylene units and having a melt index at 190° C. with load of 2160 g of 0.3 to 20 g/10 min.

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