1460910808-79e32eb1-1611-47a6-b880-7dff66aa0686

1. A low frequency generating poultice comprising:
a poultice sheet;
a contact fabric that is adhered to a non-medicated surface (top surface) of the poultice sheet;
a release sheet that is attached to a medicated surface (bottom surface) of the poultice sheet;
a low frequency oscillator that generates a low frequency;
a pair of left and right first through holes that are formed opposite to each other at the edges of one side of the poultice sheet, the contact fabric, and the release sheet at predetermined intervals;
a pair of left and right second through holes that are formed in the poultice sheet, the contact fabric, and the release sheet so as to be opposite to the outside of the pair of left and right first through holes at predetermined intervals from the pair of left and right first through holes; and
a left clip portion and a right clip portion that have one end fixed to a bottom surface of the low frequency oscillator and the other end passing through the pair of left and right first through holes to be coupled to the poultice sheet through the pair of left and right second through holes and electrically connected to the low frequency oscillator, and have a cathode terminal and an anode terminal, respectively, such that a low frequency cathode current and a low frequency anode current flow through the poultice sheet.
2. The low frequency generating poultice of claim 1,
wherein the pair of left and right first through holes are cut in a slit shape, such that the left and right clip portions pass through the pair of left and right first through holes.
3. The low frequency generating poultice of claim 1,
wherein the pair of left and right second through holes are cut in a circular shape, such that snap-shaped portions of the cathode terminal and the anode terminal pass through the poultice sheet and are electrically connected to the low frequency oscillator.
4. The low frequency generating poultice of claim 1,
wherein the cathode and anode terminals include a pair of left and right connection plates formed at one side thereof and a pair of left and right connection protrusions formed at the other side thereof, and
the pair of left and right connection plates are respectively coupled to the left and right clip portions and adhered to a bottom surface of the poultice sheet, and the pair of left and right connection protrusions are connected to a pair of left and right connection grooves formed on a bottom surface of the low frequency oscillator so as to be attached to or detached from the pair of left and right connection grooves by a snap and perform a control operation such that the low frequency cathode current and the low frequency anode current flow through the poultice sheet.
5. The low frequency generating poultice of claim 1,
wherein the left and right clip portions as nonconductors include a pair of left and right coupling portions formed at one side thereof and a pair of left and right flat portions formed at the other side thereof, and
the pair of left and right coupling portions protrude to be fixed to a bottom surface of a body of the low frequency oscillator, and the pair of left and right flat portions are formed such that the cathode and anode terminals are fixed thereon.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. A curable polyurethane composition, comprising:
A) at least one curing agent which contains uretdione groups and is derived from aliphatic, (cyclo)aliphatic, cycloaliphatic, or aromatic polyisocyanates, or mixtures thereof, and one or more hydroxyl-containing compounds, and has a free NCO content of less than about 5% by weight, based on the total weight of component A), and a uretdione content of from about I% to about 18% by weight, based on the total weight of component A);
B) one or more catalysts selected from the group consisting of
1) catalysts of the formula NR1R2R3R4+ R5COO\u2212, wherein R1 to R4 are each independently, an alkyl, aryl, aralkyl, heteroaryl or alkoxyalkyl radical having 1 to 18 carbon atoms, and in each case are independently linear or branched, unbridged or bridged with one or more other radicals R1, R2, R3 and R4, to form a monocyclic, bicyclic or tricyclic system, and wherein the bridging atom(s) optionally include not only carbon, but also heteroatoms, and additionally, each radical R1, R2, R3 and R4, optionally has one or more alcohol, amino, ester, keto, thio, urethane, urea or allophanate groups, double bonds, triple bonds or halogen atoms, or mixtures thereof; and wherein R5 is an alkyl, aryl, aralkyl, heteroaryl or alkoxyalkyl radical having 1 to 18 carbon atoms, and is linear or branched, and additionally, optionally has one or more alcohol, amino, ester, keto, thio, acid, urethane, urea or allophanate groups, double bonds, triple bonds or halogen atoms, or mixtures thereof;
2) catalysts of the formula NR1R2R3R4+ R5\u2212, wherein R1 to R4 are each independently, an alkyl, aryl, aralkyl, heteroaryl or alkoxyalkyl radical having 1 to 18 carbon atoms, and in each case are independently linear or branched, unbridged or bridged with one or more other radicals R1, R2, R3 and R4, to form a monocyclic, bicyclic or tricyclic system, and wherein the bridging atom(s) optionally include not only carbon, but also heteroatoms, and additionally, each radical R1, R2, R3 and R4, optionally has one or more alcohol, amino, ester, keto, thio, acid, urethane, urea or allophanate groups, double bonds, triple bonds or halogen atoms, or mixtures thereof; and
wherein R5is either OH or F;

3) catalysts of the formula M (OR1)n(OR2)m(OR3)o(OR4)p(OR5)q(OR6)r, wherein M is a metal in any positive oxidation state, and is identical to the sum n+m+o+p+q+r, and wherein each of n, m, o, p, q, and r is an integer from 0 to 6, such that the sum n+m+o+p+q+r=1 to 6, and wherein the radicals R1 to R6 are each independently, hydrogen or an alkyl, aryl, aralkyl, heteroaryl or alkoxyalkyl radical having 1 to 8 carbon atoms, and wherein the radicals are independently linear or branched, unbridged or bridged with one or more other radicals, R1, R2, R3, R4, R5 and R6, to form a monocyclic, bicyclic or tricyclic system, and wherein the bridging atom(s) may optionally, in addition to carbon, also be heteroatoms, and wherein each of R1, R2, R3, R4, R5 and R6, optionally has one or more alcohol, amino, ester, keto, thio, acid, urethane, urea or allophanate groups, double bonds, triple bonds or halogen atoms, or mixtures thereof;
4) and mixtures thereof;

C) optionally, at least one hydroxyl-containing polymer having an OH number between about 20 and 500 mg KOHgram, at least one amino-containing polymer of comparable amine content, or mixtures thereof;
D) optionally, at least one compound which is reactive toward acid groups, and has a weight fraction, based on the total composition, from about 0.1% to about 10%;
E) optionally one or more acids in monomeric form, polymeric form, or mixtures thereof, in a weight fraction, based on the total composition, from about 0. 1% to about 10%; and
F) optionally one or more auxiliaries, additives, or mixtures thereof; and
wherein the fraction of the one or more catalysts under B) is from about 0.001% to about 5% by weight, based on the total amount of the components, and
wherein the composition has a melting point above about 40\xb0 C., and wherein components A), and, when present, C) are present in a proportion, such that for each hydroxyl andor amine group of component C), there is more than 1 uretdione group of component A).
2. The composition of claim 1, wherein the one or more catalysts are surrounded by, or mixed within, an inert shell.
3. The composition of claim 1, wherein the polyisocyanates of component A) are selected from isophorone diisocyanate (IPDI), hexamethylene diisocyanate (HDI), 2-methylpentane diisocyanate (MPDI), 2,2,4-trimethylhexamethylene diisocyanate2,4,4-trimethylhexamethylene diisocyanate (TMDI), norbomane diisocyanate (NBDI), methylenediphenyl diisocyanate (MDI), tetramethylxylylene diisocyanate (TMXDI) or mixtures thereof.
4. The composition of claim 3, wherein the polyisocyanate is selected from IPDI, HDI, or mixtures thereof.
5. The composition of claim 1, wherein the hydroxyl-containing compounds of component A) are selected from hydroxyl-containing monomers, hydroxyl-containing polymers, or mixtures thereof.
6. The composition of claim 5, wherein the hydroxyl-containing compounds are selected from polythioethers; polyethers; polycaprolactams; polyepoxides; polyesteramides; polyurethanes; low molecular mass di-, tri- or tetraalcohols as chain extenders; or mixtures thereof.
7. The composition of claim 6, wherein the hydroxyl-containing compounds further comprise monoamines, monoalcohols, or mixtures thereof, as chain terminators.
8. The composition of claim 1, wherein the at least one curing agent A) has a free NCO content of less than about 2% by weight, and a uretdione group content of from about I% to about 18% by weight (calculated as C2N2O2, molecular weight 84).
9. The composition of claim 1, wherein the at least one curing agent A) further contains one or more structures selected from isocyanurate, biuret, allophanate, urethane, urea, or combinations thereof.
10. The composition of claim 1, wherein the group 1 catalysts of formula NR1R2R3R4+ R5COO\u2212, are selected from tetramethylammonium formate, tetramethylammonium acetate, tetramethylammonium propionate, tetramethylammonium butyrate, tetramethylammonium benzoate, tetraethylammonium formate, tetraethylammonium acetate, tetraethylammonium propionate, tetraethylammonium butyrate, tetraethylammonium benzoate, tetrapropylammonium formate, tetrapropylammonium acetate, tetrapropylammonium propionate, tetrapropylammonium butyrate, tetrapropylammonium benzoate, tetrabutylammonium formate, tetrabutylammonium acetate, tetrabutylammonium propionate, tetrabutylammonium butyrate, tetrabutylammonium benzoate, or mixtures thereof.
11. The composition of claim 1, wherein the group 2 catalysts of the formula NR1R2R3R4+ R5\u2212, are selected from methyltributylammonium hydroxide, methyltriethylammonium hydroxide, tetramethylammonium hydroxide, tetraethylammonium hydroxide, tetrapropylammonium hydroxide, tetrabutylammonium hydroxide, tetra-pentylammonium hydroxide, tetrahexylammonium hydroxide, tetraoctylammonium hydroxide, tetradecylammonium hydroxide, tetradecyltrihexylammonium hydroxide, tetra-octadecylammonium hydroxide, benzyltrimethylammonium hydroxide, benzyltriethyl-ammonium hydroxide, trimethylphenylammonium hydroxide, triethylmethylammonium hydroxide, trimethylvinylammonium hydroxide, tetramethylammonium fluoride, tetraethyl-ammonium fluoride, tetrabutylammonium fluoride, tetraoctylammonium fluoride, benzyltrimethylammonium fluoride, or mixtures thereof.
12. The composition of claim 1, wherein the group 3 catalysts of the formula M (OR1)n(OR2)m(OR3)o(OR4)p(OR5)q(OR6)r, are selected from lithium hydroxide, sodium hydroxide, potassium hydroxide, rubidium hydroxide, cesium hydroxide, beryllium hydroxide, magnesium hydroxide, calcium hydroxide, strontium hydroxide, barium hydroxide, aluminum hydroxide, zinc hydroxide, lithium methoxide, sodium methoxide, potassium methoxide, magnesium methoxide, calcium methoxide, barium methoxide, lithium ethoxide, sodium ethoxide, potassium ethoxide, magnesium ethoxide, calcium ethoxide, barium ethoxide, lithium propoxide, sodium propoxide, potassium propoxide, magnesium propoxide, calcium propoxide, barium propoxide, lithium isopropoxide, sodium isopropoxide, potassium isopropoxide, magnesium isopropoxide, calcium isopropoxide, barium isopropoxide, lithium 1-butoxide, sodium 1-butoxide, potassium 1-butoxide, magnesium 1-butoxide, calcium 1-butoxide, barium 1-butoxide, lithium 2-butoxide, sodium 2-butoxide, potassium 2-butoxide, magnesium 2-butoxide, calcium 2-butoxide, barium 2-butoxide, lithium isobutoxide, sodium isobutoxide, potassium isobutoxide, magnesium isobutoxide, calcium isobutoxide, barium isobutoxide, lithium tert-butoxide, sodium tert-butoxide, potassium tert-butoxide, magnesium tert-butoxide, calcium tert-butoxide, barium tert-butoxide, lithium phenoxide, sodium phenoxide, potassium phenoxide, magnesium phenoxide, calcium phenoxide, barium phenoxide, or mixtures thereof.
13. The composition of claim 1, wherein the one or more catalysts are selected from tetraethylammonium benzoate, tetrabutylammonium hydroxide, or mixtures thereof.
14. The composition of claim 13, wherein the one or more catalysts are present in an amount from about 0.001% to about 5% by weight, based on the total amount of the components.
15. The composition of claim 1, wherein the at least one hydroxyl-containing or amino-containing polymer of component C) is selected from polyesters, polyethers, polyacrylates, polyurethanes, polyamidoamines, polycarbonates, or mixtures thereof, and wherein the respective polymers have an OH number of from about 20 to about 500 (in mg KOHgram) or a comparable amine content.
16. The composition of claim 15, wherein the at least one hydroxyl-containing polymer is selected from polyesters having an OH number of from about 30 to about 150, and an average molecular weight of from about 500 to about 6000 gmol.
17. The composition of claim 1, wherein the at least one compound reactive toward acid groups of component D) is selected from epoxy compounds; carbodiimides; hydroxyalkylamides; 2-oxazolines; inorganic salts, such as hydroxides, hydrogencarbonates andor carbonates, or mixtures thereof.
18. The composition of claim 17, wherein the at least one compound reactive toward acid groups of component D) is selected from triglycidyl ether isocyanurate (TGIC), EPIKOTE\xae 828 (diglycidyl ether of bisphenol A, Shell), Versatic acid glycidyl esters, ethylhexyl glycidyl ether, butyl glycidyl ether, Polypox R16 (pentaerythritol tetraglycidyl ether, UPPC AG), hydroxyalkylamide, phenylenebisoxazoline, 2-methyl-2-oxazoline, 2-hydroxyethyl-2-oxazoline, 2-hydroxypropyl-2-oxazoline, 5-hydroxypentyl-2-oxazoline, sodium carbonate, calcium carbonate, or mixtures thereof.
19. The composition of claim 1, wherein the one or more acids of component E) are selected from sulfuric acid, acetic acid, benzoic acid, malonic acid, terephthalic acid, copolyesters or copolyamides having an acid number of at least about 20, or mixtures thereof.
20. The composition of claim 1, wherein the one or more auxiliaries or additives of component F) are selected from leveling agents, light stabilizers, fillers, pigments, or mixtures thereof.
21. The composition of claim 1, further comprising one or more additional catalysts selected from organometallic catalysts or tertiary amines.
22. A process for preparing the polyurethane composition of claim 1, comprising heating the components of the composition of claim 1 in a heatable apparatus at temperatures below about 130\xb0 C.
23. A process for producing coatings on metal, plastic, glass, wood or leather substrates, other heat-resistant substrates, or combinations thereof, comprising applying the composition of claim 1 onto the respective substrate or substrates.
24. A process for producing adhesive bonds on metal, plastic, glass, wood, leather substrates, other heat-resistant substrates, or combinations thereof, comprising applying the composition of claim 1 onto the respective substrate or substrates.
25. An article comprising the composition of claim 1 coated onto metal wood, glass, leather or plastics substrates, or other heat-resistant substrates, or combinations thereof.
26. A process for preparing a polyurethane composition, comprising, combining with a polyurethane, one or more catalysts selected from the group consisting of
1) catalysts of the formula NR1R2R3R4+ R5COO\u2212, wherein R1 to R4 are each independently, an alkyl, aryl, aralkyl, heteroaryl or alkoxyalkyl radical having 1 to 18 carbon atoms, and in each case are independently linear or branched, unbridged or bridged with one or more other radicals R1, R2, R3 and R4, to form a monocyclic, bicyclic or tricyclic system, and wherein the bridging atom(s) optionally include not only carbon, but also heteroatoms, and additionally, each radical R1, R2, R3 and R4 optionally has one or more alcohol, amino, ester, keto, thio, urethane, urea or allophanate groups, double bonds, triple bonds or halogen atoms, or mixtures thereof; and wherein R5 is an alkyl, aryl, aralkyl, heteroaryl or alkoxyalkyl radical having 1 to 18 carbon atoms, and is linear or branched, and additionally, optionally has one or more alcohol, amino, ester, keto, thio, acid, urethane, urea or allophanate groups, double bonds, triple bonds or halogen atoms, or mixtures thereof;
2) catalysts of the formula NR1R2R3R4+ R5\u2212, wherein R1 to R4 are each independently, an alkyl, aryl, aralkyl, heteroaryl or alkoxyalkyl radical having 1 to 18 carbon atoms, and in each case are independently linear or branched, unbridged or bridged with one or more other radicals R1, R2, R3 and R4, to form a monocyclic, bicyclic or tricyclic system, and wherein the bridging atom(s) optionally include not only carbon, but also heteroatoms, and additionally, each radical R1, R2, R3 and R4, optionally has one or more alcohol, amino, ester, keto, thio, acid, urethane, urea or allophanate groups, double bonds, triple bonds or halogen atoms, or mixtures thereof; and wherein R5 is either OH or F;
3) catalysts of the formula M (OR1)n(OR2)m(OR3)o(OR4)p(OR5)q(OR6)r, wherein M is a metal in any positive oxidation state, and is identical to the sum n+m+o+p+q+r, and wherein each of n, m, o, p, q, and r is an integer from 0 to 6, such that the sum n+m+o+p+q+r=1 to 6, and wherein the radicals R1 to R6 are each independently, hydrogen or an alkyl, aryl, aralkyl, heteroaryl or alkoxyalkyl radical having 1 to 8 carbon atoms, and wherein the radicals are independently linear or branched, unbridged or bridged with one or more other radicals, R1, R2, R3, R4, R5, and R6, to form a monocyclic, bicyclic or tricyclic system, and wherein the bridging atom(s) may optionally, in addition to carbon, also be heteroatoms, and wherein each of R1, R2, R3, R4, R5 and R6, optionally has one or more alcohol, amino, ester, keto, thio, acid, urethane, urea or allophanate groups, double bonds, triple bonds or halogen atoms, or mixtures thereof;
4) and mixtures thereof; and
wherein the composition has a melting point above about 40\xb0 C.
27. The process of claim 26, wherein the polyurethane composition is a polyurethane powder coating composition or a polyurethane adhesive composition.
28. A polyurethane powder coating composition or adhesive composition comprising the polyurethane composition of claim 1 and one or more additives.
29. The composition of claim 1, wherein component C) is present.
30. A cured composition, prepared from a composition comprising:
A) at least one curing agent which contains uretdione groups and is derived from aliphatic, (cyclo)aliphatic, cycloaliphatic, or aromatic polyisocyanates, or mixtures thereof, and one or more hydroxyl-containing compounds, and has a free NCO content of less than about 5% by weight, based on the total weight of component A), and a uretdione content of from about 1% to about 18% by weight, based on the total weight of component A);
B) one or more catalysts selected from the group consisting of
1) catalysts of the formula NR1R2R3R4+ R5COO\u2212, wherein R1 to R4 are each independently, an alkyl, aryl, aralkyl, heteroaryl or alkoxyalkyl radical having 1 to 18 carbon atoms, and in each case are independently linear or branched, unbridged or bridged with one or more other radicals R1, R2, R3 and R4, to form a monocyclic, bicyclic or tricyclic system, and wherein the bridging atom(s) optionally include not only carbon, but also heteroatoms, and additionally, each radical R1, R2, R3 and R4, optionally has one or more alcohol, amino, ester, keto, thio, urethane, urea or allophanate groups, double bonds, triple bonds or halogen atoms, or mixtures thereof; and wherein R5 is an alkyl, aryl, aralkyl, heteroaryl or alkoxyalkyl radical having 1 to 18 carbon atoms, and is linear or branched, and additionally, optionally has one or more alcohol, amino, ester, keto, thio, acid, urethane, urea or allophanate groups, double bonds, triple bonds or halogen atoms, or mixtures thereof;
2) catalysts of the formula NR1R2R3R4+ R5\u2212, wherein R1 to R4 are each independently, an alkyl, aryl, aralkyl, heteroaryl or alkoxyalkyl radical having 1 to 18 carbon atoms, and in each case are independently linear or branched, unbridged or bridged with one or more other radicals R1, R2, R3 and R4, to form a monocyclic, bicyclic or tricyclic system, and wherein the bridging atom(s) optionally include not only carbon, but also heteroatoms, and additionally, each radical R1, R2, R3 and R4, optionally has one or more alcohol, amino, ester, keto, thio, acid, urethane, urea or allophanate groups, double bonds, triple bonds or halogen atoms, or mixtures thereof; and wherein R5is either OH or F;
3) catalysts of the formula M (OR1)n(OR2)m(OR3)o(OR4)p(OR5)q(OR6)r, wherein M is a metal in any positive oxidation state, and is identical to the sum n+m+o+p+q+r, and wherein each of n, m, o, p, q, and r is an integer from 0 to 6, such that the sum n+m+o+p+q+r=1 to 6, and wherein the radicals R1 to R6 are each independently, hydrogen or an alkyl, aryl, aralkyl, heteroaryl or alkoxyalkyl radical having 1 to 8 carbon atoms, and wherein the radicals are independently linear or branched, unbridged or bridged with one or more other radicals, R1, R2, R3, R4, R5 and R6, to form a monocyclic, bicyclic or tricyclic system, and wherein the bridging atom(s) may optionally, in addition to carbon, also be heteroatoms, and wherein each of R1, R2, R3, R4, R5 and R6, optionally has one or more alcohol, amino, ester, keto, thio, acid, urethane, urea or allophanate groups, double bonds, triple bonds or halogen atoms, or mixtures thereof;
4) and mixtures thereof;