Melt viscosity depressant for polyester resin and polyester resi

Details Melt viscosity depressant for polyester resin and polyester resi Melt viscosity depressant for polyester resin and polyester resi

1992-07-23

1994-08-23

Kight, III, John

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

528293, 528295, 528296, 528298, 528300, 528302, 528304, 528307, 528308, 5283086, 528373, 525437, 428364, B27C 4700, C08F 2000

Patent

active

053405218

ABSTRACT:
A new melt viscosity depressant for a polyester resin having a structure of an aromatic carbonyl compound is disclosed.
Addition of the melt viscosity depressant to a polyester resin reduces the melt viscosity of the resin remarkably, thereby facilitating mold processing and melt-spinning of the polyester resin composition, from which high strength polyester molding products and polyester fibers can be obtained.

REFERENCES:
patent: 4273942 (1981-06-01), Mark et al.
patent: 4282134 (1981-08-01), Mark et al.
CA116(6):43029x.
CA115(6):50412z.
CA99(6):39742n.
CA116(2):7128v.

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