US5015259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stain resistant polymeric composition
Assignee: Peach State Labs Inc
•
Filing: 1990-05-10
•
Granted: 1991-05-14
•
Expires: 2010-05-10
Abstract
Abstract A stain resistant composition for fibers having polyamide linkages prepared by polymerizing an α-substituted acrylic acid or ester in the presence of a sulfonated aromatic formaldehyde condensation polymer, and methods for making and applying the composition.
Inventors
- 👤 Thomas H. Moss, III
- 👤 Ralph R. Sargent
- 👤 Michael S. Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:23
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/41; D06M15/412; D06M15/21; D06M15/263
Claims Analysis
Total Claims: 36
Claim 1
Independent Claim
85 words
A stain resistant carpet comprising: (i) fibers containing polyamide linkages; and (ii) a polymeric composition applied to the fibers that is prepared by polymerizing H 2 C═C(R)CO 2 X, where R is a hydrocarbon, halogenated hydrocarbon, or sulfonated hydrocarbon of from C 1 to C 15 , phenol, naphthol, sulfonated phenol, sulfonated naphthol or a halogen, and X is H or a hydroxylated, ethoxylated, sulfonated, or halogenated hydrocarbon of C 1 to C 15 , in the presence of a sulfonated aromatic formaldehyde condensation polymer.
Claim 2
Dependent Claim
85 words
A stain resistant carpet comprising: (i) fibers containing polyamide linkages; and (ii) a polymeric composition applied to the fibers that is prepared by polymerizing H 2 C═C(R)CO 2 X, where R is a hydrocarbon, halogenated hydrocarbon, or sulfonated hydrocarbon of from C 1 to C 15 , phenol, naphthol, sulfonated phenol, sulfonated naphthol or a halogen, and X is H or a hydroxylated, ethoxylated, sulfonated, or halogenated hydrocarbon of C 1 to C 15 , in the presence of a sulfonated aromatic formaldehyde condensation polymer.
Claim 3
Dependent Claim
31 words
The carpet of claim 1 wherein the ratio of grams of H 2 C═C(R)CO 2 X to grams of condensation polymer in the polymerization mixture is between approximately 30:1 to 1:1.
Claim 4
Dependent Claim
28 words
The carpet of claim 1 wherein the ratio of grams of H 2 C═C(R)CO 2 X to grams of condensation polymer in the polymerization mixture is approximately 8:1.
Claim 5
Dependent Claim
26 words
The carpet of claim 1 wherein R is selected from the group consisting of methyl, ethyl, propyl, butyl, phenyl, phenol, sulfonated phenol, naphthol, chloro, and fluoro.
Claim 6
Dependent Claim
9 words
The carpet of claim 1 wherein X is hydrogen.
Claim 7
Dependent Claim
26 words
The carpet of claim 5 wherein the aromatic moiety in the condensation polymer is selected from the group consisting of phenyl, phenol, naphthol, napthalene, and 4,4'-dihydroxydiphenylsulfone.
Claim 8
Dependent Claim
20 words
The carpet of claim 1 wherein between approximately 30% and 70% of the units of the condensation polymer are sulfonated.
Claim 9
Dependent Claim
24 words
The carpet of claim 1 wherein the polyamide fibers are selected from the group consisting of nylon, wool, silk, natural leather, and synthetic leather.
Claim 10
Dependent Claim
31 words
The carpet of claim 1 wherein the polymeric product is applied to the polyamide in an amount of at least 2.0 grams of polymeric product per 100 grams of polyamide article.
Claim 11
Independent Claim
82 words
A method of preparing a stain resistant carpet comprising applying to fibers containing polyamide linkages a stain resistant composition prepared by polymerizing H 2 C═C(R)CO 2 X, wherein R is a hydrocarbon, halogenated hydrocarbon, or sulfonated hydrocarbon of from C 1 to C 15 , phenol, naphthol, sulfonated phenol, sulfonated naphthol or a halogen, and X is H or a hydroxylated, ethoxylated, sulfonated or halogenated hydrocarbon of C 1 to C 15 in the presence of a sulfonated aromatic formaldehyde condensation polymer.
Claim 12
Independent Claim
82 words
A method of preparing a stain resistant carpet comprising applying to fibers containing polyamide linkages a stain resistant composition prepared by polymerizing H 2 C═C(R)CO 2 X, wherein R is a hydrocarbon, halogenated hydrocarbon, or sulfonated hydrocarbon of from C 1 to C 15 , phenol, naphthol, sulfonated phenol, sulfonated naphthol or a halogen, and X is H or a hydroxylated, ethoxylated, sulfonated or halogenated hydrocarbon of C 1 to C 15 in the presence of a sulfonated aromatic formaldehyde condensation polymer.
Claim 13
Dependent Claim
16 words
The method of claim 10 further comprising initiating the polymerization with a free radical producing agent.
Claim 14
Dependent Claim
25 words
The method of claim 11 wherein the free radical producing agent is selected from the group consisting of potassium persulfate, ammonium persulfate, and sodium persulfate.
Claim 15
Dependent Claim
24 words
The method of claim 10 further comprising polymerizing the H 2 C═C(R)CO 2 X at a temperature of between 50° C. and 100° C.
Claim 16
Dependent Claim
20 words
The method of claim 10 further comprising polymerizing the H 2 C═C(R)CO 2 X until less than 1% monomer remains.
Claim 17
Dependent Claim
34 words
The method of claim 10 further comprising providing a ratio of grams of H 2 C═C(R)CO 2 X to grams of condensation polymer solids in the polymerization mixture of between approximately 30:1 and 1:1.
Claim 18
Dependent Claim
29 words
The method of claim 15 wherein the ratio of grams of H 2 C═C(R)CO 2 H to grams of condensation polymer solids in the polymerization mixture is approximately 8:1.
Claim 19
Dependent Claim
28 words
The method of claim 10 further comprising selecting R from the group consisting of methyl, ethyl, propyl, butyl, phenyl, phenol, naphthol, sulfonated naphthol, sulfonated phenol, fluoro, and chloro.
Claim 20
Dependent Claim
11 words
The method of claim 10, further comprising selecting X as H.
Claim 21
Dependent Claim
21 words
The method of claim 18 further comprising selecting the hydroxyaromatic from the group consisting of phenyl, phenol, naphthol, napthalene, and 4,4'-dihydroxydiphenylsulfone.
Claim 22
Dependent Claim
19 words
The method of claim 10 further comprising providing between approximately 30% and 70% sulfonated units in the condensation polymer.
Claim 23
Dependent Claim
24 words
The method of claim 10 further comprising selecting the polyamide fibers from the group consisting of nylon, wool, silk, natural leather, and synthetic leather.
Claim 24
Dependent Claim
23 words
The method of claim 10 wherein the fibers are nylon further comprising applying the stain resistant composition before extrusion of the polyamide fibers.
Claim 25
Dependent Claim
30 words
The method of claim 10 further comprising applying the stain resistant composition in combination with a compound selected from the group consisting of anionic surfactant, nonionic surfactants, and antistatic agents.
Claim 26
Dependent Claim
17 words
The method of claim 10 further comprising applying the composition in combination with a foam generating surfactant.
Claim 27
Dependent Claim
14 words
The method of claim 10 further comprising selecting ammonium laurel sulfate as the surfactant.
Claim 28
Dependent Claim
13 words
The method of claim 10 further comprising applying the composition to dyed fiber.
Claim 29
Dependent Claim
13 words
The method of claim 10 further comprising applying the composition to undyed fiber.
Claim 30
Dependent Claim
11 words
The method of claim 10 further comprising applying a fluorochemical coating.
Claim 31
Dependent Claim
13 words
The method of claim 10 further comprising applying the composition by batch exhaust.
Claim 32
Dependent Claim
13 words
The method of claim 10 further comprising applying the composition by continuous exhaust.
Claim 33
Dependent Claim
14 words
The method of claim 10 further comprising applying the composition by heat and dry.
Claim 34
Dependent Claim
24 words
The method of claim 10 further comprising applying between approximately 1.5 and 7.0% of the polymer composition based on the weight of the fiber.
Claim 35
Dependent Claim
10 words
The carpet of claim 1 further comprising a fluorochemical coating.
Claim 36
Dependent Claim
21 words
The carpet of claim 1 comprising between approximately 1.7 and 7.0% of polymer composition based on the weight of the fiber.
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