Fibers made from long chain branched syndiotactic vinyl aromatic

Details Fibers made from long chain branched syndiotactic vinyl aromatic Fibers made from long chain branched syndiotactic vinyl aromatic

1998-03-10

1999-10-12

Sellers, Robert E.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

428290, 428413, 4284735, 428500, 428516, 428901, 525122, 525184, 525422, C08F 1208, B32B 2702, C08L 6302

Patent

active

059656824

ABSTRACT:
Fibers having increased strength and small diameters can be produced from compositions comprising long chain branched syndiotactic vinyl aromatic polymers derived from the polymerization of a vinyl aromatic monomer in the presence of from 10 to 1000 ppm, based on the amount of vinyl aromatic monomer, of a multifunctional monomer having more than one olefinic functionality. Due to the increased fiber strength, less strand breakage occurs during processing which increases process productivity and yield.

REFERENCES:
patent: 4313832 (1982-02-01), Shimizu et al.
patent: 5021288 (1991-06-01), Jezic
patent: 5079075 (1992-01-01), Yamasaki et al.
patent: 5145631 (1992-09-01), Jezic
patent: 5156797 (1992-10-01), Yamasaki et al.
patent: 5202402 (1993-04-01), Funaki et al.
patent: 5610455 (1997-03-01), Allen et al.
Research Disclosure 390037 A, Oct. 10, 1996, Syndiotactic polystyrene for filters and nonwovens.

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