CN103524702A - Polyurethane, fabric structure with shape memory function and fabrication method of fabric structure - Google Patents
Polyurethane, fabric structure with shape memory function and fabrication method of fabric structure Download PDFInfo
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- CN103524702A CN103524702A CN201210227881.1A CN201210227881A CN103524702A CN 103524702 A CN103524702 A CN 103524702A CN 201210227881 A CN201210227881 A CN 201210227881A CN 103524702 A CN103524702 A CN 103524702A
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- shape memory
- temperature range
- polyurethane
- natural
- manufacture method
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/10—Animal fibres
- D06M2101/12—Keratin fibres or silk
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/34—Polyamides
Abstract
The invention relates to a fabric structure with a shape memory function. The fabric structure comprises a plurality of natural fibers, wherein the ratio of the natural fibers is between 50% and 100%; the natural fibers are soaked by polyurethane of which the weight percent concentration is 20-50%, then molded after being dried at a first temperature range, and then subjected to shape memory molding at a second temperature range, so as to generate the natural fiber structure with the shape memory function.
Description
Technical field
The present invention relates to a kind of fabric construction, particularly relate to fabric construction and the manufacture method thereof of the shape memory of a kind of polyurethane(s) and a kind of including natural fibers.
Background technology
Intelligent material is a kind ofly can respond to external stimulus, and the new type functional material of self judgment and response, in this century, be subject to studying quite widely and possessing potential using value, from daily life, Information of Science and Technology, national defense industry all can be got a glimpse of its trace even.Generally speaking, intelligent material possesses following feature: extraneous or self the residing envrionment conditions of (one) response characteristic-can perception, as intensity and the variation thereof of load, stress, strain, vibration, heat, optical, electrical, magnetic, chemistry, nuclear radiation etc.; (2) respond characteristic-can change according to external environment and interior condition instant dynamic response; (3) characteristic-can see through adaptation or regenerative system is repaired in self-control, repair some local damage or destruction.
In textile industry, in order to make the cloth can be after cleaning, originally embossing or scrimp when again recovering cloth and dispatching from the factory, the cloth of the material meeting choice for use man-made fiber of common cloth, because man-made fiber can utilize high-temperature high-pressure to print off decorative pattern or scrimp, although and these decorative patterns or scrimp are after cleaning, and still can revert to decorative pattern and scrimp originally while dispatching from the factory.Yet natural fiber is without this characteristic, so the decorative pattern that makes of natural fiber and scrimp cloth are after cleaning, and cannot recover decorative pattern and scrimp originally again.In view of this, industry is used macromolecular material (Polymer) conventionally: it can be divided into chemically crosslinked and physical crosslinking two classes, chemically crosslinked part: early than nineteen sixty, polyethylene (Polyethylene, abbreviation PE) utilize covalent cross-linking bond, can be used as heat-shrink tube and be coated on cable, its principle is that the process of deformation is driven by the crystalline melt point (Melting temperature) of PE, and covalent cross-linking bond is played the part of fixedly deformation role, polyvinyl chloride (Poly (vinyl chloride) and for example, be called for short PVC) utilize heating can obtain highly cross-linked structure, identical also possess shape memory characteristic.Physical crosslinking part: as gel (Gel) system, utilize its susceptibility to pH value, solvent species and ionic strength to change high molecular volume and the profit degree (Swelling) of splashing, but its main drawback is bad mechanical strength.
Yet; although natural fiber can utilize resin material to carry out shape sizing; but these resin materials often can cause dress material, really up to the mark being not suitable for cannot be recovered original shape (amorphism memory effect) after the problem of dressing and deformation; therefore, in industry, for can be used to, make dress material sizing and can not cause the demand of dress material shape-memory material really up to the mark still to exist.
Summary of the invention
Main purpose of the present invention, is under specified temp, can recover shape by organic urethane via shape memory, and can provide processibility good and easily improve the functions such as material.
For reaching above-mentioned object, the polyurethane(s) of the sizing of the shape memory for fabric construction of the present invention comprises polyisocyanates and polyol.This polyurethane(s) comprises carbamate groups (NH-CO-O-) and urea groups (NH-CO-NH-).Polyisocyanates comprises at least one straight chain aliphatic diester of at least one aromatic series dicarboxylester of 30 to 99 % by mole and 70 to 1 % by mole or containing imide diester.Polyol comprises at least one straight chain aliphatic diols, and wherein, this polyisocyanates and this polyol comprise respectively at least one amide group and at least one amido.
For reaching above-mentioned object, the fabric construction of shape memory of the present invention, it comprises a plural number natural fiber.The shared ratio of those natural fibers is between 50% to 100%, wherein, after the polyurethane(s) immersion of those natural fibers via 20% to 50% weight percent concentration, after drying with one first temperature range, carry out plastotype, and carry out shape memory sizing and produce the natural fibre construction of a shape memory with one second temperature range.
For reaching above-mentioned object, the manufacture method of shape memory fabric construction of the present invention, it is characterized in that, plural number props up the shared ratio of natural fiber between 50% to 100%, wherein, after those natural fibers soak via the polyurethane(s) of 20% to 50% weight percent concentration, after drying with one first temperature range, carry out plastotype, and carry out shape memory sizing and produce the natural fibre construction of a shape memory with one second temperature range.
Summarized quite widely technical characterictic of the present invention above, the detailed description of the present invention by below, can obtain better understanding.Other technical characterictic that forms claim of the present invention will be described in below.Persond having ordinary knowledge in the technical field of the present invention should be appreciated that, can quite easily utilize below disclosed concept modify with specific embodiment or design other structure or operation and realize the object identical with the present invention.Persond having ordinary knowledge in the technical field of the present invention also should be appreciated that, this class equivalence construction cannot depart from the spirit and scope of the present invention that accompanying claims define.
Accompanying drawing explanation
Fig. 1 means the schematic diagram of molding process of the fabric construction of shape memory of the present invention.
Embodiment
The direction that the present invention inquires at this is shape memory fabric construction and manufacture method thereof.In order to understand up hill and dale the present invention, will detailed step and structure be proposed in following description.Apparently, the present invention is not defined in the specific details that those skilled in the relevant art have the knack of.On the other hand, well-known structure or step are not described in details, with the restriction of avoiding causing the present invention unnecessary.More preferably embodiment of the present invention can be described in detail as follows, yet except these are described in detail, the present invention can also be implemented in other embodiment widely, and protection scope of the present invention circumscribed not, and its scope with claims is as the criterion.
Consult shown in Fig. 1, Thermally stimulated shape memory polymer material can be after processing excipient, be heated to certain temperature, be subject to External Force Acting after strain, cooling and frozen strss under deformation state, when being again heated to certain temperature, the stress relief of material, can automatically restore to original excipient state.The fabric construction of shape memory of the present invention comprises a plural number natural fiber, and in this embodiment, those natural fibers are selected from cotton, fiber crops and wool.The shared ratio of those natural fibers is between 50% to 100%, and this ratio also can be between 60% to 95%, 75% to 85%, 55% to 89%.Those natural fibers are via the polyurethane(s) (shape memory high molecule material of 20% to 50% weight percent concentration, now the solvent of polyurethane(s) is water) soak after, after drying with the first temperature range, carry out plastotype, wherein, this first temperature range is between 110 ℃ to 130 ℃.In this embodiment, the weight percent concentration of polyurethane(s) also can be between 22% to 48%, 25% to 45%, 30% to 47%, 39% to 46%.In addition, this first temperature range also can be between 89 ℃ to 132 ℃, 95 ℃ to 125 ℃, 107 ℃ to 121 ℃.The object of the first Temperature Setting is by being dried and fabric construction being formed finalize the design almost to remember predefined shape.
In this embodiment, the formic acid of this polyurethane(s) is selected from terephthalic acid, phthalic acid, m-phthalic acid, tetrahydrophthalic acid.Particularly, polyurethane(s) is to carry out esterification and polycondensation reaction and the random copolyesters that obtains by polyisocyanates and excessive polyol, and this polyurethane(s) comprises carbamate groups (NH-CO-O-) and urea groups (NH-CO-NH-).This polyisocyanates comprises at least one straight chain aliphatic diester of at least one aromatic series dicarboxylester of 30 to 99 % by mole and 70 to 1 % by mole or containing imide diester; This polyol comprises at least one straight chain aliphatic diols, and wherein, this polyisocyanates and this polyol comprise respectively at least one amide group and at least one amido.Should be as follows containing the structure of imide diester:
After plastotype, natural fiber and polyurethane(s) be cooling and get back to original state, and carry out shape memory sizing and produce the natural fibre construction (post forming) of a shape memory with the second temperature range.This second temperature range is between 165 ℃ to 169 ℃, and this second temperature range also can be between 159 ℃ to 170 ℃, 166 ℃ to 168 ℃, 163 ℃ to 171 ℃.After the second temperature operation is processed, fabric construction has kenel memory effect, though after washing or external force cause type to become, temperature above through 60 degree or left and right just can be recovered original predefined shape memory (for example, smooth or concavo-convex or folding line).
The natural fibre construction of this shape memory is after plural number time washing, and meeting deformation is to deformation states.If can recover the natural fibre construction (predefined shape) of this shape memory after drying and processing, and this bake out temperature scope is between 65 ℃ to 90 ℃.In addition, this bake out temperature scope also can be between 69 ℃ to 97 ℃, 78 ℃ to 103 ℃, 83 ℃ to 92 ℃.
In other embodiment (not shown), the fabric construction of shape memory separately comprises a plural number regenerated fiber, the shared ratio of those regenerated fibers is between 49% to 0%, and this regenerated fiber ratio also can be between 42% to 12%, 37% to 7%, 28% to 24%.Those regenerated fibers are optional from polyethylene terephthalate (PET), tynex (NYLON) and cation dyeable copolyester (CATIONIC DYEABLE POLYESTER).Those natural fibers and regenerated fiber are via the polyurethane(s) (shape memory high molecule material of 20% to 50% weight percent concentration, now the solvent of polyurethane(s) is water) soak after, after drying with one first temperature range, carry out plastotype, wherein this first temperature range is between 110 ℃ to 130 ℃.The weight percent concentration of polyurethane(s) also can be between 22% to 48%, 25% to 45%, 30% to 47%, 39% to 46%.In addition, this first temperature range also can be between 89 ℃ to 132 ℃, 95 ℃ to 125 ℃, 107 ℃ to 121 ℃.
In this embodiment, the formic acid of this polyurethane(s) is selected from terephthalic acid, phthalic acid, m-phthalic acid, tetrahydrophthalic acid.After plastotype, coolingly will get back to original state, and carry out shape memory sizing and produce the natural fibre construction (post forming) of a shape memory with one second temperature range.This second temperature range is between 165 ℃ to 169 ℃.In addition, this second temperature range also can be between 159 ℃ to 170 ℃, 166 ℃ to 168 ℃, 163 ℃ to 171 ℃.The natural fiber of this shape memory and regenerated fiber structure, after plural number time washing, can be deflected into deformation state.If can recover natural fiber and the regenerated fiber structure (predefined shape) of this shape memory after drying and processing, wherein, this bake out temperature scope is between 65 ℃ to 90 ℃.In addition, this bake out temperature scope also can be between 69 ℃ to 97 ℃, 78 ℃ to 103 ℃, 83 ℃ to 92 ℃.
In addition, the present invention also discloses a kind of manufacture method of shape memory fabric construction, it is characterized in that, plural number props up the shared ratio of natural fiber between 50% to 100%.On the contrary, the shared ratio of regenerated fiber is between 49% to 0%.Wherein, after those natural fibers soak via the polyurethane(s) of 20% to 50% weight percent concentration (weight percent concentration of polyurethane(s) also can between between 22% to 48%, 25% to 45%, 30% to 47%, 39% to 46%), after drying with one first temperature range, carry out plastotype, and carry out shape memory sizing and produce the natural fibre construction of a shape memory with one second temperature range.Wherein, the formic acid of this polyurethane(s) is selected from terephthalic acid, phthalic acid, m-phthalic acid, tetrahydrophthalic acid, and those natural fibers are selected from cotton, fiber crops and wool.This first temperature range is between 110 ℃ to 130 ℃, this first temperature range also can be between 89 ℃ to 132 ℃, 95 ℃ to 125 ℃, 107 ℃ to 121 ℃, and this second temperature range is between 165 ℃ to 169 ℃, and this second temperature range also can be between 159 ℃ to 170 ℃, 166 ℃ to 168 ℃, 163 ℃ to 171 ℃.When the natural fibre construction of this shape memory after inferior washing, can be recovered the natural fibre construction of this shape memory through plural number after drying and processing.And this bake out temperature scope is between 65 ℃ to 90 ℃.This bake out temperature scope also can be between 69 ℃ to 97 ℃, 78 ℃ to 103 ℃, 83 ℃ to 92 ℃.
Technology contents of the present invention and technical characterstic are open as above, yet, persond having ordinary knowledge in the technical field of the present invention should be appreciated that, within not deviating from the spirit and scope of the invention that appended claims defines, and teaching of the present invention and openly can do all replacements and modification.For example, above-disclosed many operations can be implemented or be replaced with other operation by diverse ways, or adopt the combination of above-mentioned two kinds of modes.
In addition, the application's protection domain is not limited to operation, board, the manufacture of above-disclosed specific embodiment, composition, device, method or the step of material.Persond having ordinary knowledge in the technical field of the present invention should be appreciated that, composition, device, method or step based on teaching of the present invention and disclosed operation, board, manufacture, material, no matter existed now or developer in the future, it is disclosed with the embodiment of the present application is to carry out in the identical mode of essence the function that essence is identical, and reach the result that essence is identical, also can be used in the present invention.Therefore, following claims are composition, device, method or the steps that contain this type of operation, board, manufacture, material.
Claims (19)
1. a polyurethane(s), its sizing of shape memory for fabric construction, it comprises:
Polyisocyanates, comprises at least one straight chain aliphatic diester of at least one aromatic series dicarboxylester of 30 to 99 % by mole and 70 to 1 % by mole or containing imide diester; And
Polyol, comprises at least one straight chain aliphatic diols,
And this polyisocyanates and this polyol comprise respectively at least one amide group and at least one amido, this polyurethane(s) comprises carbamate groups (NH-CO-O-) and urea groups (NH-CO-NH-).
2. a fabric construction for shape memory, it comprises:
A plural number natural fiber, the shared ratio of those natural fibers is between 50% to 100%, and after the polyurethane(s) immersion of those natural fibers via 20% to 50% weight percent concentration, after drying with one first temperature range, carry out plastotype, and carry out shape memory sizing and produce the natural fibre construction of a shape memory with one second temperature range.
3. fabric construction according to claim 2, wherein, further comprises a plural number regenerated fiber, and the shared ratio of those regenerated fibers is between 49% to 0%.
4. fabric construction according to claim 3, wherein, described regenerated fiber is selected from polyethylene terephthalate, tynex and cation dyeable copolyester.
5. fabric construction according to claim 2, wherein, the formic acid of described polyurethane(s) is selected from terephthalic acid, phthalic acid, m-phthalic acid, tetrahydrophthalic acid.
6. fabric construction according to claim 2, wherein, described natural fiber is selected from cotton, fiber crops and wool.
7. fabric construction according to claim 2, wherein, described the first temperature range is between 110 ℃ to 130 ℃.
8. fabric construction according to claim 2, wherein, described the second temperature range is between 165 ℃ to 169 ℃.
9. fabric construction according to claim 2, wherein, the natural fibre construction of described shape memory, after plural number time washing, can be recovered the natural fibre construction of this shape memory after drying and processing.
10. fabric construction according to claim 9, wherein, described bake out temperature scope is between 65 ℃ to 90 ℃.
The manufacture method of 11. 1 kinds of shape memory fabric constructions, it is characterized in that, plural number props up the shared ratio of natural fiber between 50% to 100%, after the polyurethane(s) immersion of those natural fibers via 20% to 50% weight percent concentration, after drying with one first temperature range, carry out plastotype, and carry out shape memory sizing and produce the natural fibre construction of a shape memory with one second temperature range.
12. manufacture method according to claim 11, wherein, further comprise plural number regenerated fiber, and the shared ratio of those regenerated fibers is between 49% to 0%.
13. manufacture method according to claim 12, wherein, described regenerated fiber is selected from polyethylene terephthalate, tynex and cation dyeable copolyester.
14. manufacture method according to claim 11, wherein, the formic acid of described polyurethane(s) is selected from terephthalic acid, phthalic acid, m-phthalic acid, tetrahydrophthalic acid.
15. manufacture method according to claim 11, wherein, described natural fiber is selected from cotton, fiber crops and wool.
16. manufacture method according to claim 11, wherein, described the first temperature range is between 110 ℃ to 130 ℃.
17. manufacture method according to claim 11, wherein, described the second temperature range is between 165 ℃ to 169 ℃.
18. manufacture method according to claim 11, wherein, the natural fibre construction of described shape memory, after plural number time washing, can be recovered the natural fibre construction of this shape memory after drying and processing.
19. manufacture method according to claim 18, wherein, described bake out temperature scope is between 65 ℃ to 90 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210227881.1A CN103524702A (en) | 2012-07-04 | 2012-07-04 | Polyurethane, fabric structure with shape memory function and fabrication method of fabric structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210227881.1A CN103524702A (en) | 2012-07-04 | 2012-07-04 | Polyurethane, fabric structure with shape memory function and fabrication method of fabric structure |
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| CN103524702A true CN103524702A (en) | 2014-01-22 |
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| CN201210227881.1A Pending CN103524702A (en) | 2012-07-04 | 2012-07-04 | Polyurethane, fabric structure with shape memory function and fabrication method of fabric structure |
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| CN1912230A (en) * | 2005-08-08 | 2007-02-14 | 香港理工大学 | Fibric finishing agent with shape memory function and preparation method thereof |
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| CN101747486A (en) * | 2009-12-24 | 2010-06-23 | 浙江大学 | Light-induced shape-memory polymer and preparation method thereof |
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2012
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| US4990545A (en) * | 1988-09-05 | 1991-02-05 | Sanyo Chemical Industries, Ltd. | Articles with polyurethane resin having memory shape characteristics and method of utilizing same |
| CN1648143A (en) * | 2004-01-30 | 2005-08-03 | 香港理工大学 | Polyurethane with shape memory property, composition containing it and shape memory fabric prepared therefrom |
| CN1912230A (en) * | 2005-08-08 | 2007-02-14 | 香港理工大学 | Fibric finishing agent with shape memory function and preparation method thereof |
| CN101709197A (en) * | 2009-11-20 | 2010-05-19 | 广州市纺织工业研究所 | Temperature-sensitive hydrophilic cross-linking crystal type polyurethane coating agent, preparation method thereof and application thereof |
| CN101747486A (en) * | 2009-12-24 | 2010-06-23 | 浙江大学 | Light-induced shape-memory polymer and preparation method thereof |
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Application publication date: 20140122 |