Active polymer compositions
View Patent ↗The instant invention generally provides an activated polymer composition containing an active agent (i.e., a chemically- or biologically-active agent), an activated fiber comprising the activated polymer composition, an activated-fiber composite comprising the activated fiber and a fiberweb support, processes of fabricating the activated fiber and activated-fiber composition, and an article comprising the activated polymer composition. The instant invention also generally provides a highly filled polymer filler composite comprising a molecularly self-assembling (MSA) material and a mineral filler or conductive filler dispersed in the MSA material, and a process of making and article comprising the highly filled polymer filler composite.
1. An activated polymer composition comprising a molecularly self-assembling material and one or more active agents, wherein each active agent independently comprises an odor control material, polyelectrolyte, chelating agent, microspheres, non-peptidic antimicrobial substance selected from the group consisting of 10,10′-oxybisphenoxarsine; 2-(normal-octyl)-4-isothiazolin-3-one; 4,5-dichloro-2-(normal-octyl)-4-isothiazolin-3-one; 2,4,4′-trichloro-2′-hydroydiphenyl ether, an anti-clotting compound, a clotting compound, or a wound healing promoter, wherein the molecularly self-assembling material comprises repeat units of formula I:
and at least one second repeat unit selected from the ester-amide units of Formula II and III:
and the ester-urethane units of Formula IV:
wherein:
R is at each occurrence, independently a C 2 -C 20 non-aromatic hydrocarbylene group, a C 2 -C 20 non-aromatic heterohydrocarbylene group, or a polyalkylene oxide group having a group molecular weight of from about 100 grams per mole to about 5000 grams per mole;
R 1 at each occurrence independently is a bond or a C 1 -C 20 non-aromatic hydrocarbylene group;
R 2 at each occurrence independently is a C 1 -C 20 non-aromatic hydrocarbylene group;
R N is —N(R 3 )—Ra—N(R 3 )—, where R 3 at each occurrence independently is H or a C 1 -C 6 alkylene and Ra is a C 2 -C 20 non-aromatic hydrocarbylene group, or R N is a C 2 -C 20 heterocycloalkyl group containing the two nitrogen atoms, wherein each nitrogen atom is bonded to a carbonyl group according to formula (III) above;
n is at least 1 and has a mean value less than 2; and
w represents the ester mol fraction of Formula I, and x, y and z represent the amide or urethane mole fractions of Formulas II, III, and IV, respectively, where w+x+y+z=1.
2. An activated polymer composition of claim 1 , wherein the molecularly self-assembling material comprises self-assembling units comprising multiple hydrogen bonding arrays.
3. An activated polymer composition of claim 1 , wherein the number average molecular weight (Mn) of the molecularly self-assembling material is between about 1000 grams per mole (g/mol) and about 50,000 g/mol, inclusive.
4. An activated polymer composition of claim 3 , wherein the M n of the molecularly self-assembling material is less than 5,000 g/mol.
5. An activated polymer composition of claim 1 , wherein each active agent independently comprises the odor control material.
6. An activated polymer composition of claim 1 , wherein each active agent independently comprises the non-peptidic antimicrobial substance, anti-clotting compound, clotting compound, or wound healing promoter.
7. An activated polymer composition of claim 1 , wherein the one or more active agents comprises a total of from 0.0001 weight percent (wt %) to 75 wt % of the activated polymer composition based on total weight of the activated polymer composition.
8. An article comprising the activated polymer composition of claim 1 .