1. A polymer composition comprising:
(i) A silane-functionalized polyolefin,
(ii) A polyfunctional alcohol wherein the polyfunctional alcohol is \u03b1,\u03b1,\u03b1\u2032,\u03b1\u2032-tetramethyl-1,3-benzenedimethanol and,
(iii) A blocked, strong acid,
the composition characterized in that the dehydration of the alcohol accelerates moisture-induced crosslinking of the composition at a temperature from 120\xb0 C. to 200\xb0 C. relative to a composition comprising only the silane-functionalized polyolefin and the blocked, strong acid and having the same weight percentage of the blocked, strong acid.
2. The composition of claim 1 wherein the silane-functionalized polyolefin is a copolymer of ethylene and vinyl trialkoxy silane monomers.
3. The composition of claim 1 wherein the blocked strong acid is an alkylated aryl disulfonic acid.
4. The composition of claim 3 wherein the alkylated aryl disulfonic acid has one of the following structures:
wherein each of R1 and R2 is the same or different and is a linear or branched alkyl group with 6 to 16 carbons, y is 0 to 3, z is 0 to 3 with the proviso that y +z is 1 to 4, n is 0 to 3, X is a divalent moiety selected from the group consisting of \u2014C(R3)(R4)\u2014, wherein each of R3 and R4 is hydrogen or independently a linear or branched alkyl group of 1-4 carbons and n is 1; \u2014C(\u2550O)\u2014, wherein n is 1; \u2014O\u2014 wherein n is 1 to 3; and \u2014S(O)2\u2014, wherein n is 1.
5. The composition of claim 1 wherein the polyfunctional alcohol is present in an amount ranging from about 0.01 to about 5 wt %, based on the total weight of the composition.
6. The composition of claim 1 wherein the acid is present in an amount ranging from about 0.01 to about 5 wt %, based on the total weight of the composition.
7. A fabricated article comprising the polymer composition of claim 1.
8. The article of claim 7 in which the article is a cable sheath or cable jacket.
9. The article of claim 7 in which the article is a fiber, ribbon, sheet, tape, tube, pipe, weather-stripping, seal, gasket, foam, footwear or bellows.
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. An absorbent structure, which comprises a liquid-diffusing member and a water-absorbent resin, with the absorbent structure being characterized in that when the capillary absorption index of the liquid-diffusing member at a height of 40 cm is referred to as A (A0.10), the capillary absorption index B of the water-absorbent resin at a height of 40 cm satisfies the following equation:
BA0.7(equation 1)
2. An absorbent structure, which comprises a liquid-diffusing member and a water-absorbent resin, with the absorbent structure being characterized in that when the capillary absorption capacity of the liquid-diffusing member at a height of 40 cm is referred to as C (C2.0 (gg)), the capillary absorption capacity D of the water-absorbent resin at a height of 40 cm satisfies the following equation:
DC0.7(equation 2)
3. An absorbent structure according to claim 1 or 2, wherein the water-absorbent resin displayes a capillary absorption capacity D of not less than 15 (gg) at a height of 40 cm.
4. An absorbent structure, which comprises a liquid-diffusing member and a liquid-storing member, with the absorbent structure being characterized in that: a member displaying a suction height of not lower than 30 cm is used as the liquid-diffusing member; and a water-absorbent resin displaying a capillary absorption capacity D of not less than 15 (gg) at a height of 40 cm is used as the liquid-storing member.
5. An absorbent structure, which comprises a liquid-diffusing member and a liquid-storing member, with the absorbent structure being characterized in that: a member displaying a suction height of not lower than 30 cm is used as the liquid-diffusing member; and a surface-crosslinking-treated water-absorbent resin having a weight-average particle diameter of not larger than 250 m is used as the liquid-storing member.
6. An absorbent structure according to any one of claims 1 to 5, wherein the liquid-diffusing member is a porous polymer obtained by a process including the step of polymerizing a high-internal-phase emulsion.
7. An absorbent structure, which comprises a liquid-diffusing member and a water-absorbent resin including a crosslinked poly(acrylic acid (salt)) polymer in a major proportion, with the absorbent structure being characterized in that: the liquid-diffusing member is a porous polymer obtained by a process including the step of polymerizing a high-internal-phase emulsion; and the weight ratio of the water-absorbent resin is in the range of 75 to 90 weight % relative to the total weight of the liquid-diffusing member and the water-absorbent resin.
8. An absorbent structure according to claim 7, wherein the water-absorbent resin displays a capillary absorption capacity D of not less than 15 (gg) at a height of 40 cm.
9. An absorbent article, which comprises the absorbent structure as recited in any one of claims 1 to 8.
10. An absorbent structure, which comprises a liquid-acquiring member and a water-absorbent resin layer having a scattering amount of not smaller than 250 gm2 of the water-absorbent resin, with the absorbent structure being characterized in that when the capillary absorption index of the liquid-acquiring member at a height of 40 cm is referred to as E (E<0.1), the capillary absorption index B of the. water-absorbent resin at a height of 40 cm satisfies the following equation:
BE10(equation 3)
11. An absorbent structure, which comprises a liquid-acquiring member and a water-absorbent resin layer having a scattering amount of not smaller than 250 gm2 of the water-absorbent resin, with the absorbent structure being characterized in that when the capillary absorption index of the liquid-acquiring member at a height of 40 cm is referred to as E (E<0.1), the capillary absorption index F of the water-absorbent resin layer at a height of 40 cm satisfies the following equation:
FE10(equation 4)
12. An absorbent structure, which comprises a liquid-acquiring member and a water-absorbent resin layer having a scattering amount of not smaller than 250 gm2 of the water-absorbent resin, with the absorbent structure being characterized in that: the liquid-acquiring member displays a capillary absorption capacity G of not more than 1.0 (gg) at a height of 40 cm; and a water-absorbent resin displaying a capillary absorption capacity D of not less than 5 (gg) at a height of 40 cm is used as the water-absorbent resin.
13. An absorbent structure, which comprises a liquid-acquiring member and a water-absorbent resin layer having a scattering amount of not smaller than 250 gm2 of the water-absorbent resin, with the absorbent structure being characterized in that: the liquid-acquiring member displays a capillary absorption capacity G of not more than 1.0 (gg) at a height of 40 cm; and the water-absorbent resin layer displays a capillary absorption capacity H of not less than 5 (gg) at a height of 40 cm.
14. An absorbent structure according to any one of claims 10 to 13, wherein the weight ratio of the water-absorbent resin layer is not less than 70 weight % relative to the total weight of the liquid-acquiring member and the water-absorbent resin layer.
15. An absorbent structure according to any one of claims 10 to 14, wherein the weight ratio of the liquid absorption quantity of the water-absorbent resin layer is not less than 80 weight % relative to the saturated liquid absorption quantity of the absorbent structure.
16. An absorbent structure according to any one of claims 10 to 15, wherein the liquid-acquiring member and the water-absorbent resin layer are comprised of one layer each.
17. An absorbent article, which comprises the absorbent structure as recited in any one of claims 10 to 16.
18. Water-absorbent resin particles, which are obtained by a process including the step of granulating a water-absorbent resin having a weight-average particle diameter of 50 to 300 m and displaying a space ratio of 30 to 50% and an average space radius of 80 to 150 m as to spaces between particles when saturation-swollen with a physiological saline (a 0.9 weight % aqueous NaCl solution) without load; with the water-absorbent resin particles being characterized by having a weight-average particle diameter as increased by not less than 50% of that before the granulating step.
19. Water-absorbent resin particles according to claim 18, which have a weight-average particle diameter of 150 to 600 m and display a capillary absorption capacity of not less than 7 (gg) at a height of 40 cm.
20. Water-absorbent resin particles according to claim 18 or 19, in which the ratio of particles having particle diameters of not larger than 150 m is not more than 50% of that before the granulating step, and which display a capillary absorption capacity of not less than 7 (gg) at a height of 40 cm.
21. Water-absorbent resin particles, which comprise a crosslinked poly(acrylic acid (salt)) polymer in a major proportion and display a capillary absorption capacity D of not less than 25 (gg) at a height of 40 cm.
22. A production process for water-absorbent resin particles, which is characterized by comprising the step of adding a dispersion of water-dispersible fine particles to a water-absorbent resin, thereby increasing the weight-average particle diameter of the water-absorbent resin by not less than 50%, wherein the water-absorbent resin has a weight-average particle diameter of 50 to 300 m and displays a space ratio of 30 to 50% and an average space radius of 80 to 150 m as to spaces between particles when saturation-swollen with a physiological saline (a 0.9 weight % aqueous NaCl solution) without load.
23. A production process for water-absorbent resin particles according to claim 22, wherein a powder having a weight-average primary particle diameter of not larger than 3 m is used as the water-dispersible fine particles.
24. An absorbent article, which comprises the water-absorbent resin particles as recited in any one of claims 18 to 21.
25. A water-absorbent resin, which comprises a crosslinked poly(acrylic acid (salt)) polymer in a major proportion and displays a capillary absorption capacity D of not less than 25 (gg) at a height of 40 cm.
26. An absorbent article, which comprises the water-absorbent resin as recited in claim 25.
27. An evaluation method for a water-absorbent resin, which comprises the step of measuring an absorption capacity for a liquid as absorbed by the water-absorbent resin within a predetermined time in a state where the liquid-absorbing position height H1 is in a position higher than the liquid surface height H2 in a liquid-storing receptacle.
28. An evaluation method for a water-absorbent resin according to claim 27, wherein the height difference between the liquid-absorbing position height H1 and the liquid surface height H2 in the liquid-storing receptacle is in the range of 20 to 60 cm.