Fiber that can spontaneously transporting fluids
Fiber that can spontaneously transporting fluids
 CN 1,046,361 A
 Filed: 04/04/1990
 Published: 10/24/1990
 Est. Priority Date: 04/04/1989
 Status: Abandoned Application
First Claim
Patent Images
1. , a kind of synthetic fiber that can its surperficial moisture content of automatic transport, wherein said fiber satisfies equation(1xcos θ
 a)＜
0θ
a is pushing ahead and contact angle of the water measured on a planar film in the formula, and this planar film if handle, then passes through same surface treatment by making with the fiber identical materials,X is the form factor of fiber cross section, establishes an equation under satisfyingX=(Pw)/(4r+ (π
2) D)Pw is the wetted girth of fiber in the formula, and r is the external circle radius that limits fiber cross section, and D is the minor axis length of crossing fiber cross section.
Chinese PRB Reexamination
Abstract
Disclosed by the invention is can its lipdeep some fluid of automatic transport, as if the fiber of the such aqueous fluid of water.In order to transport fluid into the absorption region of the goods that can more be made full use of, can be with fiber, especially fibre bundle is put into absorbing products such as diaper.

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No References
28 Claims

1. , a kind of synthetic fiber that can its surperficial moisture content of automatic transport, wherein said fiber satisfies equation
(1xcos θ  a)＜
0θ
a is pushing ahead and contact angle of the water measured on a planar film in the formula, and this planar film if handle, then passes through same surface treatment by making with the fiber identical materials,X is the form factor of fiber cross section, establishes an equation under satisfying X=(Pw)/(4r+ (π
2) D)Pw is the wetted girth of fiber in the formula, and r is the external circle radius that limits fiber cross section, and D is the minor axis length of crossing fiber cross section.
 a)＜

2. the fiber of claim 1, wherein 2 (r)/(D) are 1.55.

3. the fiber of claim 1, this fiber establishes an equation under satisfying:

4. the fiber of claim 1, wherein X is about 1.25.

5. the fiber of claim 1, wherein the dawn number of single fiber is 1070.

6. the fiber of claim 1, by being selected from polyester, polypropylene, polyethylene, a kind of material in a kind of cellulose esters and a kind of nylon constitutes.

7. the fiber of claim 6, coated one deck hydrophilic lubricant on it.

8. the fiber of claim 1, wherein the width of each groove at arbitrary groove depth place is equal to or less than the width at notch place on the fiber cross section.

9. , comprise fiber and a kind of absorbing products of the claim 1 that two parts or two parts are above, wherein the described fiber of at least a portion is positioned near the absorbing products center, and the described fiber of another part is positioned at position away from the absorbing products center at least;
 Wherein near the described fiber the absorbing products center can contact for 10 seconds at least with aqueous fluid;
Wherein in absorbent article away from the article center place, have one or more absorption cave to contact with described fiber.
 Wherein near the described fiber the absorbing products center can contact for 10 seconds at least with aqueous fluid;

10. , a kind of fibre bundle that comprises the fiber of many claims 1.

11. , have major axis and minor axis a kind of comprising, and length is longer than the diaper of width or the absorbing products of incontinence pad, these goods comprise upper epidermis, bottom and contain the absorptive core of one deck absorbed layer at least, and wherein said goods also comprise the fibre bundle of claim 10.

12. the goods of claim 11, wherein said fibre bundle is evenly distributed to the whole or partial width of goods, and the fiber of fibre bundle is arranged essentially parallel to the major axis of goods, and extends to whole basically length from 1/2 of goods length.

13. the goods of claim 11, wherein the fiber of fibre bundle is arranged essentially parallel to the major axis of diaper, and extends to the whole length of diaper basically.

14. the goods of claim 11, wherein said absorptive core comprise fluffy paper pulp and super absorption powder.

15. the absorbing products of claim 11, these goods are fibre bundle and the diapers that contain up to 3 claims 10, and wherein each fibre bundle is positioned at around between diaper major axis ±
 30 °
, and wherein fibre bundle is positioned near below the upper epidermis, or fully mix with absorptive core, or with the bottom adjacency.
 30 °

16. claim 1 is described, a large amount of staple fibers of cutout.

17. , a kind of absorbing products, comprise that belt length axle and minor axis and length is longer than the diaper or the incontinence pad of width, these goods comprise upper surface, bottom and contain the absorptive core of one deck absorbed layer at least that wherein said core body comprises the staple fiber and the wellmixed mixture of fluffy paper pulp of claim 12.

18. be placed into the fiber of the claim 1 in following one or more the goods:
 tampon, absorbing sweat snood or cuff, surgical textiles or wound dressing, footwear are with absorbing sweat and Ventilated shoepad, and wiper is used for the fabric softener band in the suit dried device, wound discharging tube or surgery conduit, tissue, geotextiles, sports socks, trotteur, the cosmetic applicators which device, furniture polishing applicator, soft diet smear sampler, throat cultures thing sampler, the blood analysis testing element, ink tube, family expenses and industrial deodoriser, the fogger fabric, the excreting dampness medium, orthopedic mould liner, or the fusion powder connects works.

19. , have a kind of spinning head in aperture as shown in Figure 3 basically at least, wherein W is 0.064mm0.12mm;
 X _{2}Be 4W ^{+ 4W}_{1W};
X _{4}Be 2W ±
0.5W;
X _{6}Be 6W ^{+ 4W}_{2W};
X _{8}Be 6W ^{+ 5W}_{2W};
X _{10}Be 7W ^{+ 5W}_{2W};
X _{12}Be 9W ^{+ 5W}_{1W};
X _{14}Be 10W ^{+ 5W}_{2W};
X _{16}Be 11W ^{+ 5W}_{2W};
X _{18}Be 6W ^{+ 5W}_{2W};
θ
_{2}=30 °
±
30 °
;
θ
_{4}=45 °
±
45 °
;
θ
_{6}=30 °
±
30 °
;
θ
_{8}=45 °
±
45 °
.
 X _{2}Be 4W ^{+ 4W}_{1W};

20. , a kind ofly have a spinning head in aperture as shown in Figure 4 basically at least, wherein W is 0.064mm0.12mm;
 X _{20}Be 17W ^{+ 5W}_{2W};
X _{22}Be 3W ±
W;
X _{24}Be 4W ±
2W;
X _{26}Be 60W ^{+ 8W}_{4W};
X _{28}Be 17W ^{+ 5W}_{2W};
X _{30}Be 2W ±
0.5W;
X _{32}Be 72W ^{+ 10W}_{2W}, θ
_{10}=45 °
±
15 °
,
 X _{20}Be 17W ^{+ 5W}_{2W};

21. , a kind of at least with the spinning head in aperture as shown in Figure 5 basically, wherein W is 0.064mm0.12mm, X _{34}2W ±
 0.5W;
X _{36}Be 58W ^{+ 20W}_{10W};
X _{38}Be 24W ^{+ 20}_{6W};
θ
_{12}=20 °
^{+ 15 °}_{10 °};
θ
_{14}Be (180 °
2 θ
_{12})/(n1);
Number=the 26 of the per 180 °
of BC posts of n=.
 0.5W;

22. , a kind of at least with the spinning head in aperture as shown in Figure 6 basically, wherein W is 0.064mm0.12mm;
 X _{42}Be 6W ^{+ 4W}_{2W};
X _{44}Be 11W ±
5W;
X _{46}Be 11W ±
5W;
X _{48}Be 24W ±
10W;
X _{50}Be 38W ±
13W;
X _{52}Be 3W ^{+ 3W}_{1W};
X _{54}Be 6W ^{+ 6W}_{2W};
X _{56}Be 11W ±
5W;
X _{58}Be 7W ±
5W;
X _{60}Be 17W ±
7W;
X _{62}Be 28W ±
11W;
X _{64}Be 24W ±
10W;
X _{66}Be 17W ±
7W;
X _{68}Be 2W ±
0.5W;
θ
_{16}It is 45 °
^{+ 30 °}_{50 °};
θ
_{18}It is 45 °
±
15 °
;
θ
_{20}It is 45 °
±
15 °
.
 X _{42}Be 6W ^{+ 4W}_{2W};

23. , a kind of at least with the spinning head in aperture as shown in Figure 7 basically, wherein W is 0.064mm0.12mm;
 X _{2}Be 4W ^{+ 4W}_{1W};
X _{4}Be 2W ±
0.5W;
X _{6}Be 6W ^{+ 4W}_{2W};
X _{8}Be 6W ^{+ 5W}_{2W};
X _{10}Be 7W ^{+ 5W}_{2W};
X _{12}Be 9W ^{+ 5W}_{1W};
X _{14}Be 10W ^{+ 5W}_{2W};
X _{16}Be 11W ^{+ 5W}_{2W};
X _{18}Be 6W ^{+ 5W}_{2W};
θ
_{2}It is 30 °
±
30 °
;
θ
_{4}It is 45 °
±
45 °
;
θ
_{6}It is 30 °
±
30 °
;
θ
_{8}It is 45 °
±
45 °
.
 X _{2}Be 4W ^{+ 4W}_{1W};

24. , a kind of at least with the spinning head in aperture as shown in Figure 8 basically, wherein W is 0.064mm0.12mm;
 X _{2}Be 4W ^{+ 4W}_{1W};
X _{4}Be 2W ±
0.5W;
X _{6}Be 6W ^{+ 4W}_{2W};
X _{8}Be 6W ^{+ 5W}_{2W};
X _{10}Be 7W ^{+ 5W}_{2W};
X _{12}Be 9W ^{+ 5W}_{1W};
X _{14}Be 10W ^{+ 5W}_{2W};
X _{16}Be 11W ^{+ 5W}_{2W};
X _{18}Be 6W ^{+ 5W}_{2W};
θ
_{2}It is 30 °
±
30 °
;
θ
_{4}It is 45 °
±
45 °
;
θ
_{6}It is 30 °
±
30 °
;
θ
_{8}It is 45 °
±
45 °
.
 X _{2}Be 4W ^{+ 4W}_{1W};

25. , a kind of at least with the spinning head in aperture as shown in Figure 6A basically, wherein W is 0.064mm0.12mm, X _{72}Be 8W ^{+ 4W}_{2W};
 X _{74}Be 8W ^{+ 4W}_{2W};
X _{76}Be 12W ±
4W;
X _{78}Be 8W ±
4W;
X _{80}Be 24W ±
12W;
X _{82}Be 18W ±
6W;
X _{84}Be 8W ^{+ 4W}_{2W};
X _{86}Be 16W ±
6W;
X _{88}Be 24W ±
12W;
X _{90}Be 18W ±
6W;
X _{92}Be 2W ±
0.5W;
θ
_{22}Be 135 °
±
30 °
, θ
_{24}It is 90 °
^{+ 45 °}_{30 °};
θ
_{26}Be 45 °
±
15 °
, θ
_{28}Be 45 °
±
15 °
, θ
_{30}Be 45 °
±
15 °
, θ
_{32}Be 45 °
±
15 °
, θ
_{34}Be 45 °
±
15 °
, θ
_{36}Be 45 °
±
15 °
, θ
_{38}It is 45 °
±
15 °
.
 X _{74}Be 8W ^{+ 4W}_{2W};

26. , a kind of fiber and method that establishes an equation down that satisfy that prepare:

(1Xcos θ
a)＜
0θ
a is the contact angle of pushing ahead of the water measured on a planar film in the formula, and this planar film is by making with the fiber identical materials and through same surface treatment.X is the form factor of fiber cross section, establishes an equation under satisfying; X=(Pw)/(4r+(π
2) D)Pw is the wetted girth of fiber in the formula, and r is the external circle radius that limits fiber cross section, and D is the minor axis length of crossing fiber cross section. This method is included in this material of heating under the melting point of the material of making fiber or the above temperature of melting point, and usefulness has at least one spinning head that can make the aperture of required fiber and extrudes that this is materialtobeheated, and carries out suitable surface treatment.


27. , a kind of method of automatic transport aqueous fluid, this method comprise makes a kind of synthetic fiber that can the lipdeep water of automatic transport contact with aqueous fluid, and wherein said fiber satisfies equation:

(1X cos θ
a)＜
0θ
a is the contact angle of pushing ahead of the water measured on a planar film in the formula, and if this planar film then passes through same surface treatment by making treated with the fiber identical materials.X is the form factor of fiber cross section, establishes an equation under satisfying; X=(Pw)/(4r+(π
2) D)Pw is the wetted girth of fiber in the formula, and r is the external circle radius that limits fiber cross section, and D is the minor axis length of crossing fiber cross section.


28. , a kind of automatic transport contains the method for pure fluid, and this method comprises makes a kind of synthetic fiber that can its lipdeep water of automatic transport contact with containing pure fluid, and wherein said fiber satisfies equation:

(1Xcos θ
a)＜
0θ
a is the contact angle of pushing ahead of the water measured on a planar film in the formula, and this planar film is by making with the fiber identical materials and if handle, then passing through same surface treatment.X is the form factor of fiber cross section, establishes an equation under satisfying; X=(Pw)/(4r+(π
+2) D)Pw is the wetted girth of fiber in the formula, and r is the external circle radius that limits fiber cross section, and D is the minor axis length of crossing fiber cross section.

Specification(s)