PROCESSES FOR PRODUCING FIBER AND FABRICS WITH ZINC CONTENT
The present disclosure relates to a process for preparing fibers and/or fabrics having antimicrobial properties, the process comprising: determining an operating pressure limit; calculating an amount of zinc based on the operating pressure limit; forming a polyamide composition comprising: polyamide; and the calculated amount of zinc; forming fibers from the polyamide composition, wherein the forming is conducted at an operating pressure below the operating pressure limit.
1 . A process for preparing fibers or fabrics having antimicrobial properties, the process comprising:
determining an operating pressure limit;
calculating an amount of zinc based on the operating pressure limit;
forming a polyamide composition comprising:
polyamide; and
the calculated amount of zinc;
forming fibers from the polyamide composition, wherein the forming is conducted at an operating pressure below the operating pressure limit.
2 . The process of claim 1 , wherein the calculated amount of zinc ranges from 100 ppm to 4000 ppm.
3 . The process of claim 1 , further comprising calculating a polyamide RV range based on the operating pressure limit; and wherein the polyamide composition has an RV within the polyamide RV range.
4 . The process of claim 1 , wherein the RV of the polyamide composition ranges from 2 to 60.
5 . The process of claim 1 , wherein the operating pressure is the pressure at which the die is operated.
6 . The process of claim 1 , wherein the operating pressure limit is below 800 psi.
7 . A process for preparing fibers or fabrics having antimicrobial properties, the process comprising:
determining a polyamide RV range;
calculating an amount of zinc based on the polyamide RV range;
forming a polyamide composition comprising:
polyamide; and
the calculated amount of zinc; and
having an RV within the polyamide RV range forming fibers from the polyamide composition.
8 . The process of claim 7 , wherein the calculated amount of zinc ranges from 100 ppm to 4000 ppm.
9 . The process of claim 7 , wherein the forming is conducted at an operating pressure below 800 psi.
10 . The process of claim 7 , wherein the RV of the polyamide composition ranges from 2 to 60.
11 . A process for preparing fibers or fabrics having antimicrobial properties, the process comprising:
determining an operating pressure limit;
calculating a polyamide RV range based on the operating pressure limit;
forming a polyamide composition comprising polyamide and having an RV within the polyamide RV range;
forming fibers from the polyamide composition, wherein the forming is conducted at an operating pressure below the operating pressure limit.
12 . The process of claim 11 , wherein, during the forming, the RV of the polyamide composition is maintained within the polyamide RV range.
13 . The process of claim 11 , further comprising calculating an amount of zinc based on the operating pressure limit; and wherein the polyamide composition comprises polyamide and the calculated amount of zinc.
14 . A process for preparing fibers or fabrics having antimicrobial properties, the process comprising:
determining an operating pressure limit;
forming a polyamide composition comprising:
polyamide; and
from 100 ppm to 4000 ppm zinc; and
having an RV ranging from 2 to 60; and
forming fibers from the polyamide composition, wherein the forming is conducted at an operating pressure below the operating pressure limit.
15 . The process of claim 14 , further comprising calculating an amount of zinc based on the operating pressure limit, and wherein the polyamide composition comprises the calculated amount of zinc.
16 . The process of claim 14 , further comprising calculating a polyamide RV range based on the operating pressure limit, and wherein the polyamide composition has an RV within the polyamide RV range.
17 . The process of claim 14 , wherein the polyamide composition comprises less than 1000 ppm water.
18 . The process of claim 14 , wherein the fibers have an average fiber diameter of less than 1 micron.