1. A method of forming a structure for treating a vessel, the method comprising:
arranging a plurality of filaments extending from individual carriers of a yarn wheel, at least one of the plurality of filaments being a shape memory filament and at least another of the plurality of filaments being a radiopaque filament;
providing a mandrel comprising:
a strand having a longitudinal axis, and
a plurality of balls coupled to the strand along the longitudinal axis,
pairs of the plurality of balls spaced along the longitudinal axis;
braiding the plurality of filaments around the mandrel including, during braiding,
forming a plurality of bulbs around the plurality of balls, and
forming necks between pairs of the plurality of balls;
after braiding the plurality of filaments, heat treating the plurality of filaments on the mandrel; and
after heat treating the plurality of filaments on the mandrel, removing the plurality of filaments from the mandrel, the structure comprising the heat-treated plurality of filaments including the plurality of bulbs and the necks.
2. The method of claim 1, further comprising, before heat treating the plurality of filaments on the mandrel, securing portions of the braided plurality of filaments to the mandrel.
3. The method of claim 2, wherein securing the portions of the braided plurality of filaments to the mandrel comprises using at least one of bangles, wire, and adhesive.
4. The method of claim 1, comprising, during braiding the plurality of filaments around the mandrel, rearranging the plurality of filaments.
5. The method of claim 1, further comprising attaching an end of each of the filaments to a puller over the mandrel, wherein braiding the plurality of filaments comprises:
rotating the yarn wheel;
rotating the individual carriers; and
longitudinally extending the puller along the mandrel away from the yarn wheel.
6. The method of claim 5, wherein braiding the plurality of filaments comprises varying a speed of at least one of rotating the yarn wheel, rotating the individual carriers, and longitudinally extending the puller along the mandrel away from the yarn wheel.
7. A method of forming a structure for treating a vessel, the method comprising:
providing a mandrel comprising:
a strand having a longitudinal axis, and
a plurality of balls coupled to the strand along the longitudinal axis,
pairs of the plurality of balls spaced along the longitudinal axis;
braiding a plurality of filaments around the mandrel including, during braiding,
forming a plurality of bulbs around the plurality of balls, and
forming necks between pairs of the plurality of balls;
after braiding the plurality of filaments, shape setting the plurality of filaments on the mandrel, the shape-set plurality of filaments including the plurality of bulbs and the necks.
8. The method of claim 7, comprising, during braiding the plurality of filaments around the mandrel, rearranging the plurality of filaments.
9. The method of claim 8, wherein rearranging the plurality of filaments is from a symmetric pattern to an asymmetric pattern.
10. The method of claim 7, further comprising, before shape setting the plurality of filaments on the mandrel, securing portions of the braided plurality of filaments to the mandrel.
11. The method of claim 10, wherein securing the portions of the braided plurality of filaments to the mandrel comprises using at least one of bangles, wire, and adhesive.
12. The method of claim 7, further comprising securing portions of the braided plurality of filaments to the mandrel using wire.
13. A method of forming a structure for treating a vessel, the method comprising:
knitting a plurality of filaments into a textile;
wrapping the textile around a mandrel, the mandrel comprising:
a strand having a longitudinal axis, and
a plurality of balls coupled to the strand along the longitudinal axis,
pairs of the plurality of balls spaced along the longitudinal axis; and
heat treating the textile on the mandrel, the heat-treated textile including a plurality of bulbs around the plurality of balls and necks between pairs of the plurality of balls.
14. The method of claim 13, wherein the textile comprises a sheet.
15. The method of claim 14, further comprising, before wrapping the textile around the mandrel, heat treating the sheet into a tube.
16. The method of claim 14, wherein a length of the heat-treated textile includes stray filaments.
17. The method of claim 13, wherein knitting the plurality of filaments comprises weft knitting and the textile comprises a tube.
18. The method of claim 13, wherein knitting the plurality of filaments comprises forming interlocking loops.
19. The method of claim 13, further comprising, before heat treating the textile on the mandrel, securing portions of the textile to the mandrel.
20. The method of claim 19, wherein securing the portions of the textile to the mandrel comprises using at least one of bangles, wire, and adhesive.
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 thickened oil composition which comprises
(1) an oil, and
(2) uniformly dispersed in the oil as a crystallized solid, a side chain crystalline (SCC) polymer which
(a) is substantially free of fluorine atoms, carboxylic acid groups, carboxylic acid salt groups, sulfonic acid groups, sulfonic acid salt groups, amido groups, pyrrolidino groups and imidazole groups; and
(b) contains 10-30% by weight of repeating units containing hydroxyl groups.
2. A thickened oil composition which comprises
(1) an oil, and
(2) uniformly dispersed in the oil as a crystallized solid, a side chain crystalline (SCC) polymer which
(a) has a crystalline melting point, Tp, of 40-50\xb0 C.;
(b) consists essentially of
(i) 70-99% by weight of repeating units derived from at least one n-alkyl acrylate or methacrylate ester in which the n-alkyl group contains 16 to 22 carbon atoms,
(ii) 1-30% by weight of repeating units derived from at least one acrylate or methacrylate ester in which the ester group contains a hydroxyl-substituted alkyl group containing less than 12 carbon atoms, and
(iii) 0-30% by weight of repeating units derived from at least one acrylate or methacrylate ester in which the ester group contains an unsubstituted alkyl group containing less than 16 carbon atoms; and
(c) is substantially free of fluorine atoms, carboxylic acid groups, carboxylic acid salt groups, sulfonic acid groups, sulfonic acid salt groups, amido groups, pyrrolidino groups and imidazole groups.
3. A thickened oil composition which comprises
(1) an oil, and
(2) uniformly dispersed in the oil as a crystallized solid, an SCC polymer which
(a) consists essentially of
(i) 70-99% by weight of repeating units derived from at least one n-alkyl acrylate or methacrylate ester in which the n-alkyl group contains 16 to 22 carbon atoms,
(ii) 1-30% by weight of repeating units derived from at least one acrylate or methacrylate ester in which the ester group contains a hydroxyl-substituted alkyl group containing less than 12 carbon atoms, and
(iii) 0-29% by weight of repeating units derived from at least one acrylate or methacrylate ester in which the ester group contains an unsubstituted alkyl group containing less than 16 carbon atoms; and
(b) is substantially free of fluorine atoms, carboxylic acid groups, carboxylic acid salt groups, sulfonic acid groups, sulfonic acid salt groups, amido groups, pyrrolidino groups and imidazole groups.
4. A composition according to claim 3 wherein the SCC polymer contains 10-30% by weight of the repeating units derived from at least one acrylate or methacrylate ester in which the ester group contains a hydroxyl-substituted alkyl group containing less than 12 carbon atoms.
5. A thickened oil composition which is at a temperature Ts of 15 to 25\xb0 C., and which comprises
(1) an oil, and
(2) a side chain crystalline (SCC) polymer which
(a) is uniformly dispersed in the oil as a crystallized solid
(b) has a crystalline melting point, Tp, of 43 to 48\xb0 C.,
(c) consists essentially of
(i) 70-99% by weight of repeating units derived from at least one n-alkyl acrylate or methacrylate ester in which the n-alkyl group contains 16 to 22 carbon atoms,
(ii) 1-30% by weight of repeating units derived from at least one acrylate or methacrylate ester in which the ester group contains a hydroxyl-substituted alkyl group containing less than 12 carbon atoms, and
(iii) 0-29% by weight of repeating units derived from at least one acrylate or methacrylate ester in which the ester group contains an unsubstituted alkyl group containing less than 16 carbon atoms; and
(d) is substantially free of fluorine atoms, carboxylic acid groups, carboxylic acid salt groups, sulfonic acid groups, sulfonic acid salt groups, amido groups, pyrrolidino groups and imidazole groups.
6. A composition according to claim 5 wherein the SCC polymer contains 15-25% by weight of the repeating units derived from at least one acrylate or methacrylate ester in which the ester group contains a hydroxyl-substituted alkyl group.
7. A composition according to claim 5 wherein the SCC polymer consists essentially of
(i) 70-99% by weight of the repeating units derived from at least one n-alkyl acrylate or methacrylate ester in which the n-alkyl group contains 16 to 22 carbon atoms, and
(ii) 1-30% by weight of the repeating units derived from at least one acrylate or methacrylate ester in which the ester group contains a hydroxyethyl, hydroxypropyl, or hydroxybutyl group.
8. A composition according to claim 7 wherein the SCC polymer contains 15-25% by weight of the repeating units derived from at least one acrylate or methacrylate ester in which the ester group contains a hydroxyl-substituted alkyl group.
9. A composition according to claim 5 which contains less than 1% by weight of surface active agents, based on weight of the oil.
10. A composition which is a water-in-oil emulsion or an oil-in-water emulsion and which comprises
(1) water,
(2) an oil, and
(3) uniformly dispersed in the oil as a crystallized solid, a side chain crystalline (SCC) polymer which is substantially free of fluorine atoms, carboxylic acid groups, carboxylic acid salt groups, sulfonic acid groups, sulfonic acid salt groups, amido groups, pyrrolidino groups and imidazole groups.
11. A composition according to claim 10, which is at a temperature Ts, where Ts is from 15 to 25\xb0 C., and wherein the SCC polymer has a crystalline melting point, Tp, which is 10 to 30\xb0 C. above Ts.
12. A composition according to claim 10 wherein Tp is 40 to 80\xb0 C.
13. A composition according to claim 10 wherein Tp is 40 to 50\xb0 C.
14. A thickened oil composition according to claim 10 wherein the SCC polymer has a heat of fusion of at least 20 Jg, and an onset-of-melting point To such that Tp-To is less than 10\xb0 C.
15. A composition according to claim 10 which contains 0.5 to 5% by weight of the SCC polymer, based on weight of the composition.
16. A thickened oil composition which comprises
(1) at least one oil selected from the group consisting of hydrogenated polyisobutylene; triglycerides; purcellin oil; isopropyl myristate; butyl myristate; cetyl myristate; isopropyl palmitate; butyl palmitate; ethyl-2-hexyl palmitate; isopropyl stearate; butyl stearate; octyl stearate; hexadecyl stearate; isocetyl stearate; decyl oleate; hexyl laurate; propylene glycol dicaprylate, diisopropyl adipate; animal oils; silicone oils; oleyl alcohol; linoleyl alcohol; linolenyl alcohol; isostearyl alcohol; octyl dodecanol; esters derived from lanolic acid; and acetyl glycerides; and
(2) uniformly dispersed in the oil as a crystallized solid, a side chain crystalline (SCC) polymer which is substantially free of fluorine atoms, carboxylic acid groups, carboxylic acid salt groups, sulfonic acid groups, sulfonic acid salt groups, amido groups, pyrrolidino groups and imidazole groups.
17. A composition according to claim 16, which is at a temperature Ts, where Ts is from 15 to 25\xb0 C., and wherein the SCC polymer has a crystalline melting point, Tp, which is 10 to 30\xb0 C. above Ts.
18. A composition according to claim 16 wherein Tp is 40 to 50\xb0 C.
19. A composition according to claim 16 wherein Tp is 40 to 80\xb0 C.
20. A composition according to claim 16 wherein the SCC polymer has a heat of fusion of at least 20 Jg, and an onset-of-melting point To such that Tp-To is less than 10\xb0 C.
21. A composition according to claim 10 wherein each of the following conditions is fulfilled by the SCC polymer:
(1) at most 1% of the carbon atoms are substituted by one or more fluorine atoms;
(2) at most 0.2 mol % of the repeating units contain a carboxyl group, a carboxyl salt group, a sulfonic acid group, or a sulfonic acid salt group;
(3) at most 0.5% by weight of the repeating units contain a carboxyl group, a carboxyl salt group, a sulfonic acid group, or a sulfonic acid salt group;
(4) the polymer has an acidity of less than 0.07 meqg;
(5) at most 1 mol % of the repeating units are derived from acrylamide
(6) at most 0.2 mol % of the repeating units are derived from N-vinylpyrrolidone;
(7) at most 0.2 mol % of the repeating units are derived from N-vinylimidazole.
22. A composition according to claim 10 wherein each of the following conditions is fulfilled by the SCC polymer:
(1) none of the carbon atoms are substituted by one or more fluorine atoms;
(2) none of the repeating units contain a carboxyl group, a carboxyl salt group, a sulfonic acid group, or a sulfonic acid salt group;
(3) none of the repeating units contain a carboxyl group, a carboxyl salt group, a sulfonic acid group, or a sulfonic acid salt group;
(4) the polymer has an acidity of less than 0.07 meqg;
(5) none of the repeating units are derived from acrylamide;
(6) none of the repeating units are derived from N-vinylpyrrolidone;
(7) none of the repeating units are derived from N-vinylimidazole.
23. A composition according to claim 16 wherein each of the following conditions is fulfilled by the SCC polymer:
(1) at most 1% of the carbon atoms are substituted by one or more fluorine atoms;
(2) at most 0.2 mol % of the repeating units contain a carboxyl group, a carboxyl salt group, a sulfonic acid group, or a sulfonic acid salt group;
(3) at most 0.5% by weight of the repeating units contain a carboxyl group, a carboxyl salt group, a sulfonic acid group, or a sulfonic acid salt group;
(4) the polymer has an acidity of less than 0.07 meqg;
(5) at most 1 mol % of the repeating units are derived from acrylamide
(7) at most 0.2 mol % of the repeating units are derived from N-vinylpyrrolidone;
(7) at most 0.2 mol % of the repeating units are derived from N-vinylimidazole.
24. A composition according to claim 16 wherein each of the following conditions is fulfilled by the SCC polymer:
(1) none of the carbon atoms are substituted by one or more fluorine atoms;
(2) none of the repeating units contain a carboxyl group, a carboxyl salt group, a sulfonic acid group, or a sulfonic acid salt group;
(3) none of the repeating units contain a carboxyl group, a carboxyl salt group, a sulfonic acid group, or a sulfonic acid salt group;
(4) the polymer has an acidity of less than 0.07 meqg;
(5) none of the repeating units are derived from acrylamide;
(6) none of the repeating units are derived from N-vinylpyrrolidone;
(7) none of the repeating units are derived from N-vinylimidazole.
25. A thickened oil composition which comprises
(1) an oil, and
(2) uniformly dispersed in the oil as a crystallized solid, a side chain crystalline (SCC) polymer which consists essentially of
(i) 70-99% by weight of repeating units derived from at least one n-alkyl acrylate or methacrylate ester in which the n-alkyl group contains 16 to 50 carbon atoms,
(ii) 1-30% by weight of repeating units derived from hydroxyethyl acrylate, and
(iii) 0-29% by weight of repeating units derived from at least one acrylate or methacrylate ester in which the ester group contains an unsubstituted alkyl group containing less than 16 carbon atoms.
26. A composition according to claim 25 wherein the SCC polymer contains 15-25% by weight of the repeating units derived from hydroxyethyl acrylate.
27. A composition according to claim 10 which contains 0.5 to 5% by weight of the SCC polymer.
28. A thickened oil composition which is a lipstick, deodorant, nail varnish, sun cream, protective hand cream, night renewal cream, body milk, body lotion, light facial cream, protective day cream, or moisturizing emulsion, and which comprises
(1) an oil, and
(2) uniformly dispersed in the oil as a crystallized solid, a side chain crystalline (SCC) polymer which has a crystalline melting point Tp and which is substantially free of fluorine atoms, carboxylic acid groups, carboxylic acid salt groups, sulfonic acid groups, sulfonic acid salt groups, amido groups, pyrrolidino groups and imidazole groups.
29. A composition according to claim 28, which is at a temperature Ts, where Ts is from 15 to 25\xb0 C., and wherein the SCC polymer has a crystalline melting point, Tp, which is 10 to 30\xb0 C. above Ts.
30. A composition according to claim 28 wherein Tp is 40 to 80\xb0 C.
31. A composition according to claim 28 wherein Tp is 40 to 50\xb0 C.
32. A composition according to claim 28 wherein the SCC polymer has a heat of fusion of at least 20 Jg, and an onset-of-melting point To such that Tp-To is less than 10\xb0 C.
33. A composition according to claim 28 wherein each of the following conditions is fulfilled by the SCC polymer:
(1) at most 1% of the carbon atoms are substituted by one or more fluorine atoms;
(2) at most 0.2 mol % of the repeating units contain a carboxyl group, a carboxyl salt group, a sulfonic acid group, or a sulfonic acid salt group;
(3) at most 0.5% by weight of the repeating units contain a carboxyl group, a carboxyl salt group, a sulfonic acid group, or a sulfonic acid salt group;
(4) the polymer has an acidity of less than 0.07 meqg;
(5) at most 1 mol % of the repeating units are derived from acrylamide
(8) at most 0.2 mol % of the repeating units are derived from N-vinylpyrrolidone;
(7) at most 0.2 mol % of the repeating units are derived from N-vinylimidazole.
34. A composition according to claim 28 wherein each of the following conditions is fulfilled by the SCC polymer:
(1) none of the carbon atoms are substituted by one or more fluorine atoms;
(2) none of the repeating units contain a carboxyl group, a carboxyl salt group, a sulfonic acid group, or a sulfonic acid salt group;
(3) none of the repeating units contain a carboxyl group, a carboxyl salt group, a sulfonic acid group, or a sulfonic acid salt group;
(4) the polymer has an acidity of less than 0.07 meqg;
(5) none of the repeating units are derived from acrylamide;
(6) none of the repeating units are derived from N-vinylpyrrolidone;
(9) none of the repeating units are derived from N-vinylimidazole.
35. A thickened oil composition which comprises
(1) an oil, and
(2) uniformly dispersed in the oil as a crystallized solid, a side chain crystalline (SCC) polymer which
(a) is substantially free of fluorine atoms, carboxylic acid groups, carboxylic acid salt groups, sulfonic acid groups, sulfonic acid salt groups, amido groups, pyrrolidino groups and imidazole groups; and
(b) contains repeating units containing hydroxyl groups.
36. A composition according to claim 35 wherein the SCC polymer contains 5-30% by weight of the repeating units containing hydroxyl groups.
37. A composition according to claim 35 wherein the SCC polymer has a crystalline melting point, Tp, of 40-80\xb0 C.
38. A composition according to claim 35 wherein the SCC polymer has a heat of fusion of at least 20 Jg and an onset-of-melting point, To, such that (Tp-To) is less than 10\xb0 C.
39. A composition according to claim 35 wherein each of the following conditions is fulfilled by the SCC polymer:
(1) at most 1% of the carbon atoms are substituted by one or more fluorine atoms;
(2) at most 0.2 mol % of the repeating units contain a carboxyl group, a carboxyl salt group, a sulfonic acid group, or a sulfonic acid salt group;
(3) at most 0.5% by weight of the repeating units contain a carboxyl group, a carboxyl salt group, a sulfonic acid group, or a sulfonic acid salt group;
(4) the polymer has an acidity of less than 0.07 meqg;
(5) at most 1 mol % of the repeating units are derived from acrylamide
(6) at most 0.2 mol % of the repeating units are derived from N-vinylpyrrolidone;
(7) at most 0.2 mol % of the repeating units are derived from N-vinylimidazole.
40. A composition according to claim 35 wherein each of the following conditions is fulfilled by the SCC polymer:
(1) none of the carbon atoms are substituted by one or more fluorine atoms;
(2) none of the repeating units contain a carboxyl group, a carboxyl salt group, a sulfonic acid group, or a sulfonic acid salt group;
(3) none of the repeating units contain a carboxyl group, a carboxyl salt group, a sulfonic acid group, or a sulfonic acid salt group;
(4) the polymer has an acidity of less than 0.07 meqg;
(5) none of the repeating units are derived from acrylamide;
(6) none of the repeating units are derived from N-vinylpyrrolidone;
(7) none of the repeating units are derived from N-vinylimidazole.
41. A thickened oil composition which is a pretanning lotion, sunscreen lotion, sun tan lotion, after-sun lotion, makeup remover, hair-treating oil, hairdressing preparation, shampoo, foam bath, bath oil, skin cleanser, skin foundation, perfumed gel, mascara or eye makeup, and which comprises
(1) an oil, and
(2) uniformly dispersed in the oil as a crystallized solid, a side chain crystalline (SCC) polymer which has a crystalline melting point Tp and which is substantially free of fluorine atoms, carboxylic acid groups, carboxylic acid salt groups, sulfonic acid groups, sulfonic acid salt groups, amido groups, pyrrolidino groups and imidazole groups.
42. A composition according to claim 41 wherein the SCC polymer has a crystalline melting point, Tp, of 40-80\xb0 C.
43. A composition according to claim 4 wherein the SCC polymer has a heat of fusion of at least 20 Jg and an onset-of-melting point, To, such that (Tp-To) is less than 10\xb0 C.
44. A composition according to claim 4 wherein each of the following conditions is fulfilled by the SCC polymer:
(1) at most 1% of the carbon atoms are substituted by one or more fluorine atoms;
(2) at most 0.2 mol % of the repeating units contain a carboxyl group, a carboxyl salt group, a sulfonic acid group, or a sulfonic acid salt group;
(3) at most 0.5% by weight of the repeating units contain a carboxyl group, a carboxyl salt group, a sulfonic acid group, or a sulfonic acid salt group;
(4) the polymer has an acidity of less than 0.07 meqg;
(5) at most 1 mol % of the repeating units are derived from acrylamide
(6) at most 0.2 mol % of the repeating units are derived from N-vinylpyrrolidone;
(7) at most 0.2 mol % of the repeating units are derived from N-vinylimidazole.
45. A composition according to claim 4 wherein each of the following conditions is fulfilled by the SCC polymer:
(1) none of the carbon atoms are substituted by one or more fluorine atoms; (2) none of the repeating units contain a carboxyl group, a carboxyl salt group, a sulfonic acid group, or a sulfonic acid salt group;
(3) none of the repeating units contain a carboxyl group, a carboxyl salt group, a sulfonic acid group, or a sulfonic acid salt group;
(4) the polymer has an acidity of less than 0.07 meqg;
(5) none of the repeating units are derived from acrylamide;
(6) none of the repeating units are derived from N-vinylpyrrolidone;
(7) none of the repeating units are derived from N-vinylimidazole.
46. A composition which comprises
(1) an oil,
(2) uniformly dispersed in the oil as a crystallized solid, a side chain crystalline (SCC) polymer which (i) has a crystalline melting point Tp and (ii) is substantially free of fluorine atoms, carboxylic acid groups, carboxylic acid salt groups, sulfonic acid groups, sulfonic acid salt groups, amido groups, pyrrolidino groups and imidazole groups; and
(3) at least one additive selected from the group consisting of sunscreen agents, deodorants, pharmaceuticals and antiseptic agents.
47. A composition according to claim 46 wherein the SCC polymer has a crystalline melting point, Tp, of 40-80\xb0 C.
48. A composition according to claim 46 wherein the SCC polymer has a heat of fusion of at least 20 Jg and an onset-of-melting point, To, such that (Tp-To) is less than 10\xb0 C.
49. A composition according to claim 46 wherein each of the following conditions is fulfilled by the SCC polymer:
(1) at most 1% of the carbon atoms are substituted by one or more fluorine atoms;
(2) at most 0.2 mol % of the repeating units contain a carboxyl group, a carboxyl salt group, a sulfonic acid group, or a sulfonic acid salt group;
(3) at most 0.5% by weight of the repeating units contain a carboxyl group, a carboxyl salt group, a sulfonic acid group, or a sulfonic acid salt group;
(4) the polymer has an acidity of less than 0.07 meqg;
(5) at most 1 mol % of the repeating units are derived from acrylamide
(6) at most 0.2 mol % of the repeating units are derived from N-vinylpyrrolidone;
(7) at most 0.2 mol % of the repeating units are derived from N-vinylimidazole.
50. A composition according to claim 46 wherein each of the following conditions is fulfilled by the SCC polymer:
(1) none of the carbon atoms are substituted by one or more fluorine atoms;
(2) none of the repeating units contain a carboxyl group, a carboxyl salt group, a sulfonic acid group, or a sulfonic acid salt group;
(3) none of the repeating units contain a carboxyl group, a carboxyl salt group, a sulfonic acid group, or a sulfonic acid salt group;
(4) the polymer has an acidity of less than 0.07 meqg;
(5) none of the repeating units are derived from acrylamide;
(6) none of the repeating units are derived from N-vinyl pyrrolidone;
(7) none of the repeating units are derived from N-vinylimidazole.
51. A thickened oil composition which comprises
(1) a silicone oil, and
(2) uniformly dispersed in the oil as a crystallized solid, a side chain crystalline (SCC) polymer which contains units derived from a monomer containing silicon and which is substantially free of fluorine atoms, carboxylic acid groups, carboxylic acid salt groups, sulfonic acid groups, sulfonic acid salt groups, amido groups, pyrrolidino groups and imidazole groups.
52. A composition according to claim 51 wherein the SCC polymer is a block copolymer containing SCC blocks and polysiloxane blocks.
53. A composition according to claim 51 wherein the SCC polymer has a crystalline melting point, Tp, of 40-80\xb0 C.
54. A composition according to claim 51 wherein the SCC polymer has a heat of fusion of at least 20 Jg and an onset-of-melting point, To, such that (Tp-To) is less than 10\xb0 C.
55. A composition according to claim 51 wherein each of the following conditions is fulfilled by the SCC polymer:
(1) at most 1% of the carbon atoms are substituted by one or more fluorine atoms;
(2) at most 0.2 mol % of the repeating units contain a carboxyl group, a carboxyl salt group, a sulfonic acid group, or a sulfonic acid salt group;
(3) at most 0.5% by weight of the repeating units contain a carboxyl group, a carboxyl salt group, a sulfonic acid group, or a sulfonic acid salt group;
(4) the polymer has an acidity of less than 0.07 meqg;
(5) at most 1 mol % of the repeating units are derived from acrylamide
(6) at most 0.2 mol % of the repeating units are derived from N-vinylpyrrolidone;
(7) at most 0.2 mol % of the repeating units are derived from N-vinylimidazole.
56. A composition according to claim 51 wherein each of the following conditions is fulfilled by the SCC polymer:
(1) none of the carbon atoms are substituted by one or more fluorine atoms;
(2) none of the repeating units contain a carboxyl group, a carboxyl salt group, a sulfonic acid group, or a sulfonic acid salt group;
(3) none of the repeating units contain a carboxyl group, a carboxyl salt group, a sulfonic acid group, or a sulfonic acid salt group;
(4) the polymer has an acidity of less than 0.07 meqg;
(5) none of the repeating units are derived from acrylamide;
(5) none of the repeating units are derived from N-vinylpyrrolidone;
(6) none of the repeating units are derived from N-vinylimidazole.