Abstract: A flame-retardant polyester artificial hair filaments according to the present invention comprises: (A) 100 parts by weight of a thermoplastic polyester resin; (B) 10-20 parts by weight of a polymeric brominated polystyrene flame retardant; (B) 5-10 parts by weight of a polymeric phosphorus flame retardant; (D) 0.1-3 parts by weight of a chain extender; and (E) 0.5-3 parts by weight of sodium antimonate.
Type:
Grant
Filed:
June 14, 2016
Date of Patent:
November 13, 2018
Assignee:
UNO & COMPANY LTD.
Inventors:
Jong Chun Kim, Sung Min Oh, Chan Young Kim, Sung Hyun Lee
Abstract: A flame-retardant polyester artificial hair filaments according to the present invention comprises: (A) 100 parts by weight of a thermoplastic polyester resin; (B) 10-20 parts by weight of a polymeric brominated polystyrene flame retardant; (B) 5-10 parts by weight of a polymeric phosphorus flame retardant; (D) 0.1-3 parts by weight of a chain extender; and (E) 0.5-3 parts by weight of sodium antimonate.
Type:
Application
Filed:
June 14, 2016
Publication date:
December 14, 2017
Applicant:
UNO & COMPANY LTD.
Inventors:
JONG CHUN KIM, SUNG MIN OH, CHAN YOUNG KIM, SUNG HYUN LEE
Abstract: A flame-retardant polyester artificial hair filaments is provided which comprises: (A) 100 parts by weight of a thermoplastic polyester resin; (B) 10-30 parts by weight of a polymeric phosphorus-based flame retardant; (C) 0.1-3 parts by weight of a chain extender; and (D) 0.5-3 parts by weight of sodium antimonate. The polymeric phosphorus-based flame retardant (B) may be a flame retardant having a repeat unit of formula 1 and a weight-average molecular weight ranging from 80,000 to 150,000. The flame-retardant polyester artificial hair filaments can be prepared by: extruding a composition comprising a mixture of a polyester resin, a polymeric phosphorus-based flame retardant, a chain extender and sodium antimonate to form a pellet; drying the pellet to a water content of 500 ppm or less; melt-spinning the dried pellet to prepare a undrawn yarn; drawing the undrawn yarn at a draw ratio of 2-5; and heat-treating the drawn yarn in a heat treatment device heated to a temperature of 150˜280° C.
Type:
Grant
Filed:
January 16, 2014
Date of Patent:
February 23, 2016
Assignee:
Uno & Company, Ltd.
Inventors:
Jong Chun Kim, Sung Min Oh, Chan Young Kim
Abstract: The present invention provides a polyphenylene sulfide synthetic hair filament. The synthetic hair filament comprises (A) a polyphenylene sulfide resin; and (B) an inorganic particle quencher additive, wherein said PPS resin melt index range is 60˜110, wherein said inorganic quencher additive is added at 0.1˜2.0 parts by weight on a 100 parts by weight PPS resin. The synthetic hair filament has a filament size of about 30 to about 80 dtex. The polyphenylene sulfide resin (A) has a p-phenylene sulfide repeating unit above 85% mole. The inorganic particle quencher additive may be of silicon dioxide, talc or the combinations thereof. A suitable inorganic particle quencher additive has an average diameter range of 0.01˜3.0 ?m.
Type:
Application
Filed:
October 7, 2010
Publication date:
February 2, 2012
Applicant:
UNO & COMPANY LTD.
Inventors:
Jong Chun Kim, Hwan Chul Kim, Chan Young Kim, Seung Min Oh