Fluid resistant treatment and garments treated therewith
In one aspect, fabric materials are disclosed that have been treated with a fluid resistant treatment containing a water resistant composition and an oil resistant composition. The fluid resistant treatment may be substantially fluorocarbon free. Fire service garments can be made from the fabric materials that provide resistance to water and/or oil.
1 . A protective garment comprising:
a fabric material comprising a woven fabric, a knitted fabric, a nonwoven fabric, or a combination thereof, the fabric material comprising inherently flame resistant fibers in an amount greater than about 70 wt. %, the inherently flame resistant fibers being selected from at least one of para-aramid fibers, meta-aramid fibers, and polybenzimidazole fibers;
the fabric material being treated with a fluid resistant treatment, the fluid resistant treatment impregnating the fabric material, the fluid resistant treatment being substantially fluorocarbon free, the fluid resistant treatment comprising:
a water resistant composition;
an oil resistant composition, the oil resistant composition comprising a silicone-containing polymer;
one or more wetting agents, the one or more wetting agents and the oil resistant composition being present in the fluid resistant treatment in a weight ratio of about 1:5 to about 1:45; and
one or more cross-linking agents, the one or more cross-linking agents and the oil resistant composition being present in the fluid resistant treatment in a weight ratio of about 1:1 to about 1:8.
2 . The protective garment as defined in claim 1 , wherein the water resistant composition is present in the fluid resistant treatment in an amount from about 0.05 wt. % to about 40 wt. %.
3 . The protective garment as defined in claim 1 , wherein the water resistant composition comprises an acrylic emulsion.
4 . The protective garment as defined in claim 1 , wherein the water resistant composition is substantially fluorocarbon free.
5 . The protective garment as defined in claim 1 , wherein the oil resistant composition is present in the fluid resistant treatment in an amount from about 0.05 wt. % to about 40 wt. %.
6 . The protective garment as defined in claim 1 , wherein the oil resistant composition has a pH of from about 2 to about 8.
7 . The protective garment as defined in claim 1 , wherein the oil resistant composition is substantially fluorocarbon free.
8 . The protective garment as defined in claim 1 , wherein the one or more wetting agents comprise isopropyl alcohol.
9 . The protective garment as defined in claim 1 , wherein the one or more cross-linking agents comprise a polyurethane.
10 . The protective garment as defined in claim 1 , wherein the water resistant composition and the one or more wetting agents are present in the fluid resistant treatment in a weight ratio of about 4:1 to about 40:1.
11 . The protective garment as defined in claim 1 , wherein the water resistant composition and the one or more cross-linking agents are present in the fluid resistant treatment in a weight ratio of about 1:2 to about 15:1.
12 . The protective garment as defined in claim 1 , wherein the water resistant composition and the oil resistant composition are present in the fluid resistant treatment in a weight ratio of about 1:10 to about 10:1.
13 . The protective garment as defined in claim 1 , wherein the oil resistant composition comprises a cationically stabilized silicone-containing polymer.
14 . The protective garment as defined in claim 1 , wherein the oil resistant composition comprises one or more pendant groups having the following structure:
wherein, each of R 1 , R 2 , and R 5 are independently alkyl groups, alkoxy groups, aryl groups, hydroxyl groups, halogen groups, —O—SiR′ groups, or —O—SiOR′ groups, wherein R′ groups are independently chosen from alkyl groups and/or aryl groups;
wherein each L is a linking group comprising a —O— group, a —CH 2 — group, a —(CH 2 ) 2 — group, a —(CH 2 ) 3 — group, a —Si(CH 3 ) 2 O— group, a —OSi(CH 3 ) 2 O— group, a —CH 2 CH 3 O— group, a —OSi(CH 2 CH 3 ) 2 O— group, a —CH 2 O— group, a —(CH 2 ) 2 O— group, a —CH 2 C═O— group, a —OC═ONH— group, a —CH 2 N— group, a —CH 2 SO 2 — group, a
group, a
group, or a
group, where n is a value from 0 to 40.
15 . The protective garment as defined in claim 1 , wherein the oil resistant composition comprises one or more pendant groups having the following structure:
wherein, each of R 1 , R 2 , and R 5 are independently alkyl groups, alkoxy groups, aryl groups, hydroxyl groups, halogen groups, —O—SiR′ groups, —O—SiOR′ groups, or combinations thereof, wherein R′ groups are independently chosen from alkyl groups and/or aryl groups.
16 . The protective garment as defined in claim 1 , wherein the protective garment comprises a fire service garment.
17 . The protective garment as defined in claim 1 , wherein the treated fabric material comprises fluorine in an amount greater than about 0 ppm.
18 . The protective garment as defined in claim 17 , wherein the silicone-containing polymer has a hydroxyl value from about 5 mg KOH/g to about 150 mg KOH/g.
19 . The protective garment as defined in claim 1 , wherein:
the mass concentration of the one or more cross-linking agents in the fluid resistant treatment is from about 0.2% to about 8%;
the mass concentration of the one or more wetting agents in the fluid resistant treatment is from about 0.05% to about 5%;
the one or more wetting agents and the oil resistant composition are present in the fluid resistant treatment in a weight ratio of about 1:5 to about 1:35; and
the one or more cross-linking agents and the oil resistant composition are present in the fluid resistant treatment in a weight ratio of about 1:1 to about 1:6.