Claimed Artificial Hair Fibers With Flame Retardant
1
Pre-Compounded Materials and Extracted Flame Retardant
2
Pre-Compounded Materials
Finished Fibers
Hair Fiber ProcessingPET (Polyester)
Flame Retardant
Claim 1 of the ’429 Patent
3
’429 PatentThe invention claimed is:1. A flame retardant polyester artificial hair, comprising
100 parts by weight of (A) a polyester made of one or more of polyalkylene terephthalate or copolymer polyester, which comprises polyalkylene terephthalate as a main component, and [5 to 30 parts by weight of (B) a linear tetrabrominated epoxy flame retardant—including impurities ordinarily associated with polymer chemistry related to flame retardants—having a repeating unit represented by]:
wherein m represents 30 to 150, and having a monofilament size of 30 to 80 dtex.
PTX 0001, ’429 Patent, Claim 1
Claim 1 of the ’430 Patent
4
’430 Patent
DTX1002, ’430 Patent, Claim 1
The invention claimed is:1. A hair product comprising flame retardant polyester
fiber and [60% or less‒but more than 0%‒of human hair], the fiber comprising 100 parts by weight of (A) a polyester made of one or more of polyalkylene terephthalate or copolymer polyester, which comprises polyalkylene terephthalate as a main component, and [5 to 30 parts by weight of (B) a linear tetrabrominated epoxy flame retardant—including impurities ordinarily associated with polymer chemistry related to flame retardants—having a repeating unit represented by]:
wherein the hair product is selected from a wig, a hair wig and a hair extension.
Artificial Hair Fibers Are Comprised of Polymeric Materials
5
Polyester Polymers
Flame Retardant Polymers
Fiber
Wig
Brominated Epoxy Flame Retardants Are Polymeric Materials
6
Fiber
degree of polymerization = number of beads in one moleculemolecular weight = weight of all beads in one molecule
c
Monomers React to Form Polymer Molecules
7
monomerspolymermolecule
Claim 1 of the ’429 Patent
8
’429 PatentThe invention claimed is:1. A flame retardant polyester artificial hair, comprising
100 parts by weight of (A) a polyester made of one or more of polyalkylene terephthalate or copolymer polyester, which comprises polyalkylene terephthalate as a main component, and [5 to 30 parts by weight of (B) a linear tetrabrominated epoxy flame retardant—including impurities ordinarily associated with polymer chemistry related to flame retardants—having a repeating unit represented by]:
wherein m represents 30 to 150, and having a monofilament size of 30 to 80 dtex.
PTX 0001, ’429 Patent, Claim 1
Pre-Compounded Flame Retardant
Extracted Flame Retardant
Fiber Processing
Polyesters Are All Around Us
’429 Patent
The invention claimed is:1. A flame retardant polyester artificial hair, comprising
100 parts by weight of (A) a polyester made of one or more of polyalkylene terephthalate or copolymer polyester, which comprises polyalkylene terephthalate as a main component, and [5 to 30 parts by weight of (B) a linear tetrabrominated epoxy flame retardant—including impurities ordinarily associated with polymer chemistry related to flame retardants—having a repeating unit represented by]:
wherein m represents 30 to 150, and having a monofilament size of 30 to 80 dtex.
(including PET and PBT)
PTX 0001, ’429 Patent, Claim 1
9
Brominated Epoxy Flame Retardants Are Common
’429 Patent
The invention claimed is:1. A flame retardant polyester artificial hair, comprising
100 parts by weight of (A) a polyester made of one or more of polyalkylene terephthalate or copolymer polyester, which comprises polyalkylene terephthalate as a main component, and [5 to 30 parts by weight of (B) a linear tetrabrominated epoxy flame retardant—including impurities ordinarily associated with polymer chemistry related to flame retardants—having a repeating unit represented by]:
wherein m represents 30 to 150, and having a monofilament size of 30 to 80 dtex.
PTX 0001, ’429 Patent, Claim 1
5 to 30 parts by weight of (B) a linear tetrabrominated epoxy flame retardant
10
’429 Patent
Kaneka’s Patents Claim a Linear Flame Retardant
11
The invention claimed is:1. A flame retardant polyester artificial hair, comprising
100 parts by weight of (A) a polyester made of one or more of polyalkylene terephthalate or copolymer polyester, which comprises polyalkylene terephthalate as a main component, and [5 to 30 parts by weight of (B) a linear tetrabrominated epoxy flame retardant—including impurities ordinarily associated with polymer chemistry related to flame retardants—having a repeating unit represented by]:
wherein m represents 30 to 150, and having a monofilament size of 30 to 80 dtex.
Linear, counted towards 5 to 30 parts by weight
Branched, NOT counted towards 5 to 30parts by weight
CLAIMED
NOT CLAIMED
PTX 0001, ’429 Patent, Claim 1
[5 to 30 parts by weight of (B) a linear tetrabrominated epoxy flame retardant…]
The Flame Retardant in FireblockIs More Branched After Processing
12
4 4.2 4.4 4.6 4.8 5 5.2 5.4 5.6 5.8 6-1.4
-1.2
-1
-0.8
-0.6
-0.4
-0.2
0
4 4.2 4.4 4.6 4.8 5 5.2 5.4 5.6 5.8 6-1.4
-1.2
-1
-0.8
-0.6
-0.4
-0.2
0
molecular weight
visc
osi
ty
Increased Branching:
Extracted Fireblock Flame Retardant
Pre-Compounded Blend
4 4.2 4.4 4.6 4.8 5 5.2 5.4 5.6 5.8 6-1.4
-1.2
-1
-0.8
-0.6
-0.4
-0.2
0
The Flame Retardant in FireblockIs Extensively Branched
13
Linear
molecular weight
visc
osi
ty
Branched: Extracted Fireblock
Flame Retardant
4.5 5.0 5.5 6.0-2.22044604925031E-16
0.0999999999999998
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
1.1
1.2
1.3
1.4
Branching Index Shows Extent of Branching in Fireblock
14
molecular weight
Branched: Extracted Fireblock
Flame Retardant
Linear
g’
more branchedbranched
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