High strength polyester fibrous products

Details High strength polyester fibrous products High strength polyester fibrous products

1978-04-18

1979-08-14

Petrakes, John

Textiles: spinning, twisting, and twining

Strand structure

Plied

57243, 57902, 528308, D02G 348

Patent

active

041641140

ABSTRACT:
A high strength polyester fibrous product reduced in heat build-up and improved in durability and useful for reinforcing rubber materials, which can be prepared by twisting drawn yarns obtained by (1) melt spinning a polymeric composition comprising polyethylene terephthalate as the main polymer component and at least one methylene group-containing polyester in such an amount that the proportion of the total number of methylene groups to the total number of terephthalic acid residues in all the polymer components is more than 2.0 and less than 2.5,

REFERENCES:
patent: 3216187 (1965-11-01), Chantry et al.
patent: 3429117 (1969-02-01), Sherer
patent: 3564835 (1971-02-01), Keefe, Jr. et al.
patent: 3854515 (1974-12-01), Takemura et al.
patent: 3869427 (1975-03-01), Meschke et al.
patent: 3869430 (1975-03-01), Blades
patent: 3929180 (1975-12-01), Kawase et al.
patent: 3977172 (1976-08-01), Kerawalla

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