Laminated articles and methods of making and using the same
Described herein are laminated articles along with methods of making and/or using the same, including a continuous process for making laminated articles.
1. A laminated gown body comprising:
a barrier material comprising a pin-hole free microporous film and/or monolithic film; and
a fabric, wherein a surface of the barrier material is laminated to a surface of the fabric,
wherein the laminated gown body has a first width defined by the fabric and the barrier material has a second width, and the second width is less than the first width,
wherein the barrier material has a length that extends from a top edge of the laminated gown body to a bottom edge of the laminated gown body, and
wherein the laminated gown body does not comprise a seam or reinforcement, and wherein the laminated gown body has no selvage.
2. The laminated gown body of claim 1 , wherein the barrier material is adhesively and/or thermally laminated to a surface of the fabric.
3. The laminated gown body of claim 1 , wherein the pin-hole free microporous film and/or monolithic film comprises a polypropylene, polyethylene, polyvinyl chloride (PVC), polyvinyl alcohol (PVOH), ethylene vinyl alcohol (EVOH), polyvinylidene chloride, polyvinylidene fluoride, polyethylene terephthalate (PET), polybutylene terephthalate (PBT), PET/PBT blend, ethylene vinyl acetate, and/or polyurethane.
4. The laminated gown body of claim 1 , wherein the pin-hole free microporous film and/or monolithic film comprises a polypropylene, polyvinyl chloride (PVC), polyvinyl alcohol (PVOH), polyvinylidene chloride, polyvinylidene fluoride, polybutylene terephthalate (PBT), and/or polyurethane.
5. The laminated gown body of claim 1 , wherein the fabric is a woven fabric or a nonwoven fabric.
6. The laminated gown body of claim 1 , wherein the fabric is a spunlace fabric, spunbond fabric, resin bonded fabric, thermal bonded fabric, air-laid pulp fabric, stitchbonded fabric, spunbond-meltblown (SM), spunbond-meltblown-spunbond (SMS), and/or needlepunch fabric.
7. The laminated gown body of claim 1 , wherein the fabric comprises a polypropylene fiber, optionally a fluorochemical-treated polypropylene fiber.
8. The laminated gown body of claim 1 , wherein the barrier material further comprises a barrier fabric.
9. The laminated gown body of claim 1 , wherein the barrier material including the pin-hole free microporous film and/or monolithic film comprises a laminated construct, and the laminated construct comprises a high-barrier fabric laminated to a base fabric, a high-barrier fabric laminated to the film, a base fabric laminated to the film, a first base fabric laminated to the film that is laminated to a second base fabric, a first high-barrier fabric laminated to the film that is laminated to a high-barrier fabric, and/or a high barrier fabric laminated to the film to laminated to a base fabric, wherein the high barrier fabric is a barrier fabric having a moisture/vapor transfer rate (MVTR) of less than 15,000 cfm/sf.
10. The laminated gown body of claim 1 , wherein the laminated gown body has an area, and the fabric has an area that is the same as the area of the laminated gown body and the barrier material has an area that is less than the area of the laminated gown body.
11. The laminated gown body of claim 1 , wherein the barrier material makes up about 30% to about 85% of the area of the laminated gown body.
12. The laminated gown body of claim 1 , wherein the laminated gown body further comprises a second fabric, and the barrier material is positioned between the fabric and the second fabric, optionally wherein the second fabric comprises the same material as the fabric.
13. The laminated gown body of claim 1 , wherein at least a portion of the laminated gown body is impermeable to fluids and/or gases, at least a portion of the laminated gown body is permeable to moisture vapor and impermeable to liquid fluids, and/or at least a portion of the laminated gown body is permeable to gases.
14. The laminated gown body of claim 1 , wherein the barrier material has a thickness in a range of about 0.0001 inches to about 0.036 inches.
15. The laminated gown body of claim 1 , wherein the barrier material has a hydrohead value of at least 140 cm and the fabric has a hydrohead value of less than 100 cm, each as measured using INDA IST 80.6.
16. The laminated gown body of claim 1 , wherein the barrier material has an air permeability of less than 0.5 cfm/sf and the fabric has an air permeability of greater than 10 cfm/sf, each as measured using ASTM D737.
17. The laminated gown body of claim 1 , wherein the laminated gown body has a cross direction (XD) grab tensile strength of at least 8 lbs as measured using modified ASTM D5034 and/or a machine direction (MD) trap tear of at least 3 lbs as measured using modified ASTM D5733.
18. A method of manufacturing the laminated gown body of claim 1 , the method comprising:
laminating a barrier material to a fabric to form a laminate, wherein the fabric has a first width and the barrier has a second width, and the first width is different than the second width;
providing the laminate in the form of a roll stock; and
optionally cutting the laminate from an unrolled portion of the roll stock to form the laminated gown body; and
optionally wherein the laminating step and the cutting step may be carried out in a continuous process.
19. The method of claim 18 , wherein the laminating step comprises adhesively laminating and/or thermally laminating the barrier material to the fabric.