CN1202303C - Making process of high-density super-thin fiber base cloth - Google Patents
Making process of high-density super-thin fiber base cloth Download PDFInfo
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- CN1202303C CN1202303C CNB021406979A CN02140697A CN1202303C CN 1202303 C CN1202303 C CN 1202303C CN B021406979 A CNB021406979 A CN B021406979A CN 02140697 A CN02140697 A CN 02140697A CN 1202303 C CN1202303 C CN 1202303C
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Abstract
The present invention relates to a manufacture method for high-density superfine fiber base cloth. Organic solvents, lye or water-soluble polymer (A) with high degree of crystallinity and polymer (B) with low degree of crystallinity are spun into superfine fiber by a blend spinning method or a composite spinning method so as to manufacture base cloth, and the base cloth is processed by using the property that fibers are shrunk by heating so as to increase the compactness of the base cloth; subsequently, the base cloth is processed by reduction so as to manufacture base cloth with contractibility and high density, or the polymer (B) with low degree of crystallinity and polymer (C) with high degree of crystallinity are spun into the superfine fibers by a mode of annular interval arrangement so as to manufacture the base cloth, and the base cloth is processed by shrinkage so as to manufacture superfine fiber base cloth with high compactness, contractibility and high density.
Description
Technical field
The invention relates to a kind of manufacture method of base cloth, particularly utilize fiber this base cloth of retractable property processed that is heated, to increase the base cloth manufacture method of base cloth compactness.
Background technology
Tradition base cloth major part is made with fiber as one of fibre fineness 1-30 DENIER, but because its fiber is thick excessively, thereby cause its artificial leather that processes or cloth to have rough surface, sense of touch to reach the shortcoming of compactness and flexibility difference too firmly.
The composite ultrafine fiber Nonwovens of the similar corium of Taiwan patent application case number 78107985 (80/03/01 bulletins), the superfine fiber and the method for making thereof of Taiwan patent application case number No. 89121271 (91/04/01 bulletins), and United States Patent (USP) 4,587, the ARTIFICAL GRAIN LEATHER patent of No. 142 (1986/5/6), it discloses the artificial leather that processes less than the compound ultra tiny fiber base cloth of 1 DENIER with fibre fineness, its method for making is similar to island shape type composite fibre manufacture method, be after the composite fibre that partly is the dissolving of organic solvent or alkali lye is made Nonwovens, through resin finishing, decrement processing, sanding processing and post processing are processed and are made, wherein decrement processing is meant and utilizes organic solvent or alkali lye that composition one of in this composite fibre is removed, and makes the bundle dividing of other composition be split into superfine fiber.Its major defect is:
The artificial leather that uses above-mentioned composite ultrafine fiber base cloth to process, though the artificial leather that general base cloth processes is good, still, it is poor than corium still at aspects such as compactness, flexibility, intensity and texture.
The base cloth that general in addition fiber or superfine fibre are made, its compactness is low, so the organic resin coating of must arranging in pairs or groups in addition presents abundant sense of touch.Its major defect is:
Owing to need quite a large amount of resin and organic solvent in the processing procedure, thereby make the method for making of this base cloth not have a feature of environmental protection.
Summary of the invention
Main purpose of the present invention provides a kind of manufacture method of shrinkage high density base cloth, utilizes the fiber retractable property that is heated, and with hot water, hot blast or this base cloth of steam processed, reaches the purpose that makes this base cloth have preferable compactness.
Second purpose of the present invention provides a kind of manufacture method of shrinkage high density base cloth, reaches manufactured goods and exactly likes very much in the tissue of corium and the purpose of sense of touch.
The 3rd purpose of the present invention provides a kind of manufacture method of shrinkage high density base cloth, make the water-base resin processing of the apparatus feature of environmental protection by collocation, can present abundant sense of touch or a kind of ultrahigh density fabric is provided, reach and have the remarkable water proofing property and the purpose of windproof property.
The object of the present invention is achieved like this: a kind of manufacture method of high density superfine fiber fabric is characterized in that: it comprises the following step:
(a) will be at least more than one available organic solvent, alkali lye or water-soluble high-crystallinity copolymer (A) and at least a above another low crystallinity polymers (B) be spun into fiber with blend spinning method or composite spinning method;
(b) this fiber is made base cloth;
(c) utilize this fiber to be subjected to heat-shrinkable, use hot water, hot blast or steam that the base cloth of step (b) is done the contraction processed;
(d) with organic solvent, alkali lye or water this polymer (A) is removed from the base cloth of step (c) through shrinking processing, and stayed this polymer (B); This contraction processing makes the percentage reduction of area of this base cloth reach 3-70%, effectively promotes the compactness of this base cloth;
(e) wherein, this polymer (A) is the polymer of water dissolvable, and then this base cloth is made the hot water shrink process and added man-hour, simultaneously the polymer (A) of water dissolvable is removed.
The degree of crystallinity of this high-crystallinity copolymer (A) is 40-95%, is to be selected from polyolefin polymers, polyester polymer thermoplastic elastomer polymer or polyvinyl alcohol polymer wherein a kind of.The degree of crystallinity of this polymer (B) is 1-25%, it is meant that one of monomer is adipic acid, azelaic acid, terephthalic acid (TPA), M-phthalic acid, cyclohexane-1,4-dicarboxylic acids, 1,6 hexamethylene diamines, trimethyl-1,6 hexamethylene diamines, 4,4 '-diaminourea-dicyclohexyl methyl hydride, 4,4 '-diaminourea-3,3 '-dimethyl-dicyclohexyl methyl hydride, 4,4 '-diaminourea-dicyclohexyl propane, isophorone diamine, caprolactam, lauric lactam, 4, the polyamide polymer of 4 '-methyl diphenylene diisocyanate or toluene di-isocyanate(TDI).This degree of crystallinity is that 1-25% polymer (B) is meant the polyester polymers of one of monomer for dioctyl phthalate, P-hydroxybenzoic acid, M-phthalic acid, glycol, dimethanol or diester.This degree of crystallinity is that 1-25% polymer (B) is meant and contains nylon 6, nylon 66, nylon 11, nylon 12, NYLON610 or 4 in the composition, the polyamide co-polymer of 4 '-diaminourea-dicyclohexyl methyl hydride 6.Mix in this step (b) and make base cloth together with the general fiber of fibre fineness 1-30 DENIER.This step (c) is with 40-100 ℃ of hot water, 80-250 ℃ hot blast or 0.1-10kg/cm
2This base cloth of steam treated.Its hot water shrinkage temperature of this step (e) is 50-100 ℃.
The present invention also provides the manufacture method of another kind of high density superfine fiber fabric, it is characterized in that: it comprises the following step:
(a) more than one the low crystallinity polymers (B) and the polymer (C) of high-crystallinity are spun into fiber in ring-type interval mode side by side at least;
(b) this fiber is made base cloth;
(c) utilize this fiber to be subjected to heat-shrinkable, with hot water, hot blast or steam the base cloth of step (b) is done the contraction processed, when shrinking processed, polymer side by side can separate at interval, reaches the branch fibre; This contraction processing makes the percentage reduction of area of this base cloth reach 3-70%, effectively promotes the compactness of this base cloth;
(d) wherein, this polymer (C) is the polymer of water dissolvable, and then this base cloth is only done hot blast shrink process processing, simultaneously the polymer (C) of water dissolvable is removed avoiding.
The degree of crystallinity of this high-crystallinity copolymer (C) is 40-95%, and it is be selected from polyester polymers, polyamide polymer, polyolefin polymer or thermoplastic elastomer polymer and polyvinyl alcohol polymer wherein a kind of.The degree of crystallinity of this polymer (B) is 1-25%, it is meant that one of monomer is adipic acid, azelaic acid, terephthalic acid (TPA), M-phthalic acid, cyclohexane-1,4-dicarboxylic acids, 1,6 hexamethylene diamines, trimethyl-1,6 hexamethylene diamines, 4,4 '-diaminourea-dicyclohexyl methyl hydride, 4,4 '-diaminourea-3,3 '-dimethyl-dicyclohexyl methyl hydride, 4,4 '-diaminourea-dicyclohexyl propane, isophorone diamine, caprolactam, lauric lactam, 4, the polyamide polymer of 4 '-methyl diphenylene diisocyanate or toluene di-isocyanate(TDI).The degree of crystallinity of this polymer (B) is 1-25%, and it is meant the polyester polymers of one of monomer for dioctyl phthalate, P-hydroxybenzoic acid, M-phthalic acid, glycol, dimethanol or diester.The degree of crystallinity of this polymer (B) is 1-25%, and it is meant contains nylon 6, nylon 66, nylon 11, nylon 12, NYLON610 or 4, the polyamide co-polymer of 4 '-diaminourea-dicyclohexyl methyl hydride 6 in the composition.Mix in this step (b) and make base cloth together with the general fiber of fibre fineness 1-30 DENIER or the superfine fibre of fibre fineness 0.3-0.0001 DENIER.This step (c) is with 40-100 ℃ of hot water, 40-250 ℃ hot blast or 0.1-10kg/cm
2This base cloth of steam treated.The base cloth that this step (b) is made is to roll or the non-woven base fabric of tailor's cushion by water, or the base cloth that utilizes loom or knitting machine to interweave.
The present invention provides a kind of with the manufacture method of fibre fineness less than the shrinkage high density base cloth of 1 DENIER, it is that available organic solvent, alkali lye or water-soluble high-crystallinity copolymer (A) and low crystallinity polymers (B) at first are spun into retractable fibre with blend spinning method or composite spinning method for the shrinkage superfine fibre, after it makes base cloth, handle with contraction procedure of processing of the present invention and decrement procedure of processing, can obtain shrinking the high density base cloth.
What the present invention was different with traditional method for making is: the invention is characterized in the above-mentioned contraction procedure of processing of extra increase, this contraction procedure of processing is with hot water, this base cloth of hot blast or steam treated, because meeting heat, can shrink in this polymer (B) in its composition, thereby can significantly promote the compactness of this base cloth, this decrement processing then is to utilize organic solvent, alkali lye or water are removed this polymer (A), make the fibre bundle of this polymer (B) further be separated into superfine fiber, if use the polymer (A) of water dissolvable and low crystallinity polymers (B) to be spun to retractable fibre, need not carry out other decrement processing, shrink and add man-hour in handling hot water, just can be simultaneously with polymer (A) dissolving of water dissolvable.
Another kind of shrinkage superfine fiber fabric, be that polymer (C) with low crystallinity polymers (B) and high-crystallinity is spaced with ring-type and is spun into retractable fibre, make base cloth, after contraction procedure of processing of the present invention is handled, can obtain shrinkage high density base cloth.When this shrinks in the processing with this base cloth of hot water, hot blast or steam treated, not only can significantly promote the compactness (can shrink 3-70%) of this base cloth because this polymer (B) in its composition is met heat, more can utilize its difference of forming degree of shrinkage in addition, make fiber bundle dividing and superfine fiber.
General resin finishing, decrement processing, after sanding processing and the post processing processing, can obtain one and exactly like the tissue of corium and the artificial leather or the fabric of sense of touch, what wherein the present invention was different with traditional method for making is: the invention is characterized in the above-mentioned contraction procedure of processing of extra increase, this contraction procedure of processing is with hot water, this base cloth of hot blast or steam treated, because meeting heat, (B) in its composition can shrink 3-70%, thereby significantly promote the compactness of this base cloth, and because its compactness height, so the water-base resin processing that makes the apparatus feature of environmental protection of only need arranging in pairs or groups can present abundant sense of touch.This decrement processing then further utilizes organic solvent, alkali lye or water that available organic solvent, alkali lye or water-soluble polymer are removed, and makes bundle dividing be split into superfine fiber, makes the artificial leather of making exactly like very much the tissue and the sense of touch of corium.
Describe in detail below in conjunction with the preferred embodiment conjunction with figs..
Description of drawings
Fig. 1 is that tradition is the micro-enlarged photograph of section of the artificial leather made of base cloth with 3 denier fibers.
Fig. 2 is that tradition is the micro-enlarged photograph of section of the artificial leather made of base cloth with 0.05-0.0001 DENIER superfine fibre.
Fig. 3 is the present invention with 0.05-0.0001 DENIER shrinkage superfine fibre is the micro-enlarged photograph of section of the artificial leather made of base cloth.
Fig. 4 is the micro-enlarged photograph of the section of corium leather.
The specific embodiment
The invention relates to a kind of manufacture method of shrinkage high density base cloth, shrinkage high density base cloth is after retractable fibre is made base cloth, after contraction processing of the present invention and decrement processing, promptly obtains shrinkage high density base cloth.
Above-mentioned retractable fibre has two or more heterogeneities at least, it comprises at least a above organic solvent of using, alkali lye or water-soluble high-crystallinity copolymer (A) and at least a above another low crystallinity polymers (B), this high-crystallinity copolymer (A) is a kind of available organic solvent, alkali lye or water-soluble degree of crystallinity are the high-crystallinity copolymer of 40-95%, for example: the polyolefin polymers of available tetrachloro-ethylene dissolving, the polyester polymer that can be dissolved by highly basic, the thermoplastic elastomer polymer that can be dissolved by dimethyl formamide, or can be by water-soluble thermoplasticity polyvinyl alcohol polymer.
This low crystallinity polymers (B) is the low crystallinity polymers of degree of crystallinity 1-25%, one of monomer whose diacid of selecting oneself, azelaic acid, terephthalic acid (TPA), M-phthalic acid, cyclohexane-1, the 4-dicarboxylic acids, 1,6 hexamethylene diamines, trimethyl-1,6 hexamethylene diamines, 4,4 '-diaminourea-dicyclohexyl methyl hydride (PACM), 4,4 '-diaminourea-3,3 '-dimethyl-dicyclohexyl methyl hydride, 4,4 '-diaminourea-dicyclohexyl propane, isophorone diamine, caprolactam, lauric lactam, 4, the polyamide polymers of 4 '-methyl diphenylene diisocyanate or toluene di-isocyanate(TDI).
In addition, one of monomer of this low crystallinity polymers (B) also can be selected from the polyester polymer of dioctyl phthalate, P-hydroxybenzoic acid, M-phthalic acid, glycol, dimethanol or diester;
Or this low crystallinity polymers (B) also can be selected from the low-crystallinity polyamide polymer of degree of crystallinity 1-25%, contain nylon 6, nylon 66, nylon 11, nylon 12, NYLON610 or 4 in its composition, the polyamide-based co-polymer of 4 '-diaminourea-dicyclohexyl methyl hydride 6 (PCAM 6).
Aforementioned two or more heterogeneity polymer via blend spinning method or composite spinning method, can be spun the retractable fibre that the fiber section is arranged in the island shape; If via the blend spinning method, it is to extrude after utilizing extruder to make its even fusion in these two or more heterogeneity polymer, and be spun into filament through the special mouth that spins, get final product retractable fibre, this moment this island shape composition quantity about 30-5000, it makes base cloth, after contraction processing of the present invention and decrement processing, its percentage reduction of area the best can reach 70%, and the fibre fineness after the decrement can reach the 0.05-0.0001 DENIER, and base cloth density can reach 0.8g/cm
3
If via composite spinning method, it is to extrude after distinctly utilizing extruder to make its fusion earlier in these two or more heterogeneity polymer, and indivedual polymer that flow mouthful are joined spinning by the special mouth that spins, respin into filament, get final product retractable fibre, the about 6-600 of this island shape composition quantity this moment, it makes base cloth after contraction processing of the present invention and the processing of general decrement, its percentage reduction of area the best can reach 70%, fibre fineness after the decrement can reach the 0.5-0.001 DENIER, and base cloth density can reach 0.6g/cm
3This step of making base cloth can be mixed with the general fiber of fibre fineness 1-30 DENIER and be made base cloth together in addition, and the retractable fibre proportion can be adjusted in the scope of 5-100% according to need in this base cloth.
Contraction procedure of processing of the present invention is meant with 40-100 ℃ of hot water, 80-250 ℃ hot blast or 0.1-10kg/cm
2This base cloth of steam treated can shrink because the low crystallinity polymers (B) in its composition is met heat, and its percentage reduction of area can reach 3-70%, thereby can promote the compactness of this base cloth significantly.
This decrement processing is meant with organic solvent, alkali lye or water, optionally should available organic solvent, alkali lye or water-soluble polymer (A) are removed, make the bundle dividing of other composition be split into superfine fiber, for example: when the polymer of available organic solvent dissolution is polystyrene, then available tetrachloro-ethylene is removed this polystyrene, if when containing the polyester polymer of sulfonate sodium, then the available hydrogen sodium hydroxide solution is removed this polyester polymer, if during thermoplasticity elasticity polyurethane (TPU), then available dimethyl formamide is removed this polyurethane, if during the thermoplasticity polyvinyl alcohol polymer, then available water is removed this polyvinyl alcohol polymer.
The method of another kind of shrinkage high density base cloth, be that the polymer (C) of the high-crystallinity of low crystallinity polymers (B) and degree of crystallinity 40-95% is made base cloth with the retractable fibre that the spaced mode of ring-type is spun into, and after contraction procedure of processing of the present invention is handled, get final product shrinkage high density base cloth.
Above-mentioned retractable fibre has two or more heterogeneities at least, it comprises a kind of low crystallinity polymers (B) at least, and comprise another kind of high-crystallinity copolymer (C) at least, for example: high-crystallinity copolymers such as polyester polymer, polyamide polymers, polyolefin polymers, thermoplastic elastomer polymer or thermoplasticity polyvinyl alcohol polymer;
These two or more heterogeneity polymer are joined at the special mouth that spins in the ring-type interval mode side by side that is similar to general exfoliated composite fibre method for making, can spin the fiber section and be arranged in the retractable fibre of radial or strip, and the base cloth of making is after contraction procedure of processing of the present invention is handled, its percentage reduction of area the best can reach 70%, and the polymer that two degree of crystallinity are different divides the fibre fineness behind the fibre can reach the 0.8-0.01 DENIER, and base cloth density can reach 0.4g/cm
3
This step of making base cloth can be mixed with the general fiber of fibre fineness 1-30 DENIER or the superfine fibre of fibre fineness 0.3-0.0001 DENIER and be made base cloth together in addition, and the retractable fibre proportion can be adjusted in the scope of 5-100% according to need in this base cloth.
Contraction procedure of processing of the present invention is meant with 40-100 ℃ of hot water, 80-250 ℃ hot blast or 0.1-10kg/cm
2This base cloth of steam treated can shrink because the low crystallinity polymers (B) in its composition is met heat, and its percentage reduction of area can reach 3-70%, thereby can significantly promote the compactness of this base cloth; In addition because it forms the difference that is subjected to degree of heat-shrinkage of polymer, therefore can heat make it divide fine and superfine fiber, it does not need to divide with organic solvent or alkali lye fine, so have the advantage of environmental protection.
So the invention provides the method that a kind of utilization is subjected to the heat-shrinkable difference and reaches effective branch fibre, it is different from conventional art really and utilizes chemical substance processing such as alcohol, makes polymer generation expansion in various degree, to reach the method for branch fibre.
The above retractable fibre base cloth can resin finishing, sanding processing, rub line processing and post processing processing, and can obtain exactly liking the artificial leather or the fabric of dermal tissue and sense of touch.
Resin finishing is meant that doing resin surface with this base cloth of processor pair handles, or with lathering machine this base cloth is done resin impregnation (as acryl resin, polyurethane resin etc.);
In addition because this base cloth has preferable compactness after shrinking processing, so water-base resin (as being the polyurethane resin of solvent with the aqueous solution) processing that only need arrange in pairs or groups and make the apparatus feature of environmental protection can present abundant sense of touch.
This sanding processing is meant optionally does surface grinding with sand paper.
This is rubbed line processing and is meant with boarding machine or falls soft machine and do pliability and handle.
This post processing processing is meant optionally and with the little applying processing of make-up machine or surface treatment, dyeing processing or WATER REPELLENT TREATMENT etc.
The compactness effect of below more traditional base cloth and base cloth of the present invention.
Consulting shown in Figure 1ly, is that tradition is the micro-enlarged photograph of section of the artificial leather made of base cloth with 3 denier fibers, can find out obviously that the fiber in the photo is thick and scattered.
Consulting shown in Figure 4ly, is the micro-enlarged photograph of section of general corium leather, can obviously find out fiber finer in the photo and densification.
Consulting shown in Figure 2ly, is that tradition is the micro-enlarged photograph of section of the artificial leather made of base cloth with 0.05-0.0001 DENIER superfine fibre, but though obviously find out fiber in the photo than the fiber finer of Fig. 1, relatively obviously compactness is relatively poor with Fig. 4.
Consult shown in Figure 3, be the present invention with 0.05-0.0001 DENIER shrinkage superfine fibre be the micro-enlarged photograph of section of the artificial leather made of base cloth, can obviously find out fiber in the photo not only than the fiber finer among Fig. 1, compactness is obviously higher than the fiber of Fig. 4.
Therefore shrinkage high density base cloth of the present invention, it not only has the advantage of ultra tiny fiber, and after it stands thermal contraction processing, has more preferable compactness, and compactness is relatively shown in subordinate list.
Subordinate list: Nonwovens density comparison sheet
| Kinds of fibers | General fiber | Superfine fibre | Superfine fibre of the present invention |
| Fibre fineness (den) | More than 1 | 0.01-0.001 | 0.01-0.001 |
| Shrinkage | Do not shrink | Do not shrink | Can shrink |
| Base cloth density (g/cm 3) | 0.1-0.3 | 0.3-0.4 | 0.4-0.8 |
Artificial leather or the fabric be processed into shrinkage high density base cloth of the present invention in addition, it not only has the advantage of ultra tiny fiber, more because the base cloth made of the present invention stands to have preferable compactness after the thermal contraction processing, so the artificial leather that makes exactly likes the tissue of corium and sense of touch very much or the fabric that makes has good generous sense and water proofing property, windproof property.Or it is also fine to be applied to high its effect of microfiltration material with the present invention.
The present invention is because base cloth stands after the thermal contraction processing preferable compactness is arranged in addition, so when resin finishing, only need arrange in pairs or groups and use a spot of water-base resin can present abundant sense of touch, so can have the feature of environmental protection (, and avoiding with an organic solvent) concurrently because of the consumption of its resin is low.
The present invention is further described below in conjunction with specific embodiment.
Embodiment 1
Polyethylene terephthalate (degree of crystallinity 50%) with the sulfonate sodium that contains 5% molar percentage is marine origin part, and the polyethylene terephthalate (degree of crystallinity 5%) that contains the M-phthalic acid of 8% molar percentage is the island composition, the shrinkage superfine fibre fabric of making, it is the polyethylene terephthalate with the M-phthalic acid that contains 8% molar percentage of the polyethylene terephthalate of the sulfonate sodium that contains 5% molar percentage of 30% percentage by weight and 70% percentage by weight, extrude after earlier distinctly utilizing extruder to make its fusion, and the polymer that flows out of the ordinary mouthful is joined spinning by the special mouth that spins, be spun into the filament of 16 island shapes, with 290 ℃ melting temperature and the spinning of 3200m/min coiling speed, can get single fiber fineness 3 DENIER, intensity 3.5g/dpf, the part of degree of stretching 60% is extended silk (POY), partly extending the silk specification is 72den/24f, this is partly extended silk (POY) with 150 ℃ of draft temperatures, stretching ratio 150%, speed 50m/min, the condition of twist 25t/m is carried out false twisting processing, can get fibre strength 4.5g/dpf, the false twist yarn of degree of stretching 35% (DTY), with this processing silk with through close 200 pieces/inch, the kind sedan-chair Pu of 100 pieces/inch merchants of filling density, make fabric shrink with 90 ℃ of hot water, shrink the back fabric through 280 pieces/inch of Mi Keda, 140 pieces/inch of filling densities, remove sea (polyethylene terephthalate of sulfonate sodium) composition with the sodium hydroxide solution of concentration 5% again, the single fiber fineness of opening behind the fibre is 0.15 DENIER, fabric through 4480 pieces/inch of Mi Keda, 2240 pieces/inch of filling densities, grind with sand paper at last, dyeing, promptly get the extraordinary base cloth of sense of touch this moment, because Density is very high, therefore good waterproof is arranged also, windproof and wiping effect.
Embodiment 2
With thermoplasticity polyvinyl alcohol (degree of crystallinity 60%) is that marine origin part and the polyethylene terephthalate that contains the M-phthalic acid of 8% molar percentage (degree of crystallinity 5%) are island shape composition, the shrinkage superfine fibre artificial leather of making, it is the polyethylene terephthalate with the M-phthalic acid that contains 8% molar percentage of the thermoplasticity polyvinyl alcohol of 50% percentage by weight and 50% percentage by weight, extrude after earlier distinctly utilizing extruder to make its fusion, and make the polymer that flows out of the ordinary be spun into the filament of 200 island shapes spinning mouthful to join by the special mouth that spins, cutting cotton engineering through extension, can to get fineness be 6 DENIER, length 38mm, intensity 2.5g/den, the short fiber of degree of stretching 60%, it is rolled into weight is 600g/m
2Nonwovens, behind 90 ℃ of these Nonwovenss of hot water treatment, its shrinkage factor is 50%, simultaneously polyvinyl alcohol is also removed by hot water is molten, the fibre fineness of opening behind the fibre is 0.015 DENIER, base cloth density is 0.54g/cm
3, do impregnation processing with the polyurethane resin again, to grind with sand paper at last, dyeing promptly gets the tissue that exactly likes very much corium and the artificial leather of sense of touch this moment.
Embodiment 3
With low density polyethylene (LDPE) (degree of crystallinity 60%) is that marine origin part and the polyethylene terephthalate that contains the M-phthalic acid of 5% molar percentage (degree of crystallinity 8%) are island shape composition, the shrinkage superfine fibre artificial leather of making, it is that the polyethylene terephthalate of the M-phthalic acid that contains 5% molar percentage of 50% low density polyethylene (LDPE) and 50% is mixed earlier, extrude after utilizing extruder to make its fusion, and mouthful make polymer be spun into the filament of 500 island shapes by special spinning, cut cotton engineering through extension and can get the short fiber that fineness is 5 DENIER, it is rolled into the Nonwovens that thickness is 2.0mm, its percentage reduction of area is 50% behind 80 ℃ of these Nonwovenss of hot water treatment, again with the polyurethane resin finishing, then remove low density polyethylene (LDPE) with tetrachloro-ethylene, the fibre fineness of opening behind the fibre is 0.005 DENIER, grind with sand paper at last, it is thick to cut open into 1.0mm through splitting machine again, promptly gets the tissue that exactly likes very much corium and the artificial leather of sense of touch this moment.
Though the present invention discloses with above-mentioned preferred embodiment, so it is not in order to limiting the present invention, anyly has the knack of this skill person, and without departing from the spirit and scope of the present invention, various changes and the modification done all belongs among protection scope of the present invention.
Claims (8)
1, a kind of manufacture method of high density superfine fiber fabric, it is characterized in that: it comprises the following step:
(a) will be at least more than one available organic solvent, alkali lye or water-soluble degree of crystallinity be that the high-crystallinity copolymer (A) of 40-95% and low crystallinity polymers (B) that at least a another above degree of crystallinity is 1-25% are spun into fiber with blend spinning method or composite spinning method, wherein the percentage by weight of (A), (B) is 30/70-50/50;
(b) this fiber is made base cloth;
(c) utilize this fiber to be subjected to heat-shrinkable, use hot water, hot blast or steam that the base cloth of step (b) is done the contraction processed;
(d) with organic solvent, alkali lye or water this polymer (A) is removed from the base cloth of step (c) through shrinking processing, and stayed this polymer (B); This contraction processing makes the percentage reduction of area of this base cloth reach 3-70%, effectively promotes the compactness of this base cloth;
(e) wherein, this polymer (A) is the polymer of water dissolvable, and then this base cloth is made the hot water shrink process and added man-hour, simultaneously the polymer (A) of water dissolvable is removed.
2, the manufacture method of high density superfine fiber fabric according to claim 1, it is characterized in that: this high-crystallinity copolymer (A) is to be selected from polyolefin polymers, polyester polymer, thermoplastic elastomer polymer or polyvinyl alcohol polymer wherein a kind of.
3, the manufacture method of high density superfine fiber fabric according to claim 1, it is characterized in that: this polymer (B) is meant that one of monomer is an adipic acid, azelaic acid, terephthalic acid (TPA), M-phthalic acid, cyclohexane-1, the 4-dicarboxylic acids, 1,6 hexamethylene diamines, trimethyl-1,6 hexamethylene diamines, 4,4 '-diaminourea-dicyclohexyl methyl hydride, 4,4 '-phenodiazine base-3,3 '-dimethyl-dicyclohexyl methyl hydride, 4,4 '-diaminourea-dicyclohexyl propane, isophorone diamine, caprolactam, lauric lactam, 4, the polyamide polymer of 4 '-methyl diphenylene diisocyanate or toluene di-isocyanate(TDI).
4, the manufacture method of high density superfine fiber fabric according to claim 1 is characterized in that: this polymer (B) is meant the polyester polymers of one of monomer for dioctyl phthalate, P-hydroxybenzoic acid, M-phthalic acid, glycol, dimethanol or diester.
5, the manufacture method of high density superfine fiber fabric according to claim 1, it is characterized in that: this polymer (B) is meant and contains nylon 6, nylon 66, nylon 11, nylon 12, NYLON610 or 4 in the composition, the polyamide co-polymer of 4 '-diaminourea-dicyclohexyl methyl hydride 6.
6, the manufacture method of high density superfine fiber fabric according to claim 1 is characterized in that: mix in this step (b) and make base cloth together with the general fiber of fibre fineness 1-30 DENIER.
7, the manufacture method of high density superfine fiber fabric according to claim 1 is characterized in that: this step (c) is with 40-100 ℃ of hot water, 80-250 ℃ hot blast or 0.1-10kg/cm
2This base cloth of steam treated.
8, the manufacture method of high density superfine fiber fabric according to claim 1 is characterized in that: its hot water shrinkage temperature of this step (e) is 50-100 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021406979A CN1202303C (en) | 2002-07-15 | 2002-07-15 | Making process of high-density super-thin fiber base cloth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021406979A CN1202303C (en) | 2002-07-15 | 2002-07-15 | Making process of high-density super-thin fiber base cloth |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1469003A CN1469003A (en) | 2004-01-21 |
| CN1202303C true CN1202303C (en) | 2005-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021406979A Expired - Fee Related CN1202303C (en) | 2002-07-15 | 2002-07-15 | Making process of high-density super-thin fiber base cloth |
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| Country | Link |
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| CN (1) | CN1202303C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI555893B (en) * | 2012-05-16 | 2016-11-01 | 儒鴻企業股份有限公司 | Method for manufacturing anti-wind knitting fabric and the composition thereof |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100418702C (en) * | 2005-05-27 | 2008-09-17 | 三芳化学工业股份有限公司 | Ultrafine fiber polishing sheet and its manufacturing method |
| KR101326214B1 (en) * | 2012-09-21 | 2013-11-11 | 주식회사 클렘본 | Fabrics with cut loop group, manufacturing method of the fabrics and textile goods using the same |
| WO2018110280A1 (en) | 2016-12-13 | 2018-06-21 | 株式会社クラレ | Napped artificial leather, polyester fiber, and non-woven fabric |
-
2002
- 2002-07-15 CN CNB021406979A patent/CN1202303C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI555893B (en) * | 2012-05-16 | 2016-11-01 | 儒鴻企業股份有限公司 | Method for manufacturing anti-wind knitting fabric and the composition thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1469003A (en) | 2004-01-21 |
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