CN104066875B - The polyester type conjugate fiber of thermal insulation and excellent color reproducing performance - Google Patents
The polyester type conjugate fiber of thermal insulation and excellent color reproducing performance Download PDFInfo
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- CN104066875B CN104066875B CN201380006484.4A CN201380006484A CN104066875B CN 104066875 B CN104066875 B CN 104066875B CN 201380006484 A CN201380006484 A CN 201380006484A CN 104066875 B CN104066875 B CN 104066875B
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- 239000000835 fiber Substances 0.000 title claims abstract description 110
- 238000009413 insulation Methods 0.000 title claims abstract description 53
- 229920000728 polyester Polymers 0.000 title claims abstract description 23
- 239000000203 mixture Substances 0.000 claims abstract description 72
- 239000000463 material Substances 0.000 claims abstract description 47
- 238000009877 rendering Methods 0.000 claims abstract description 32
- 229920000642 polymer Polymers 0.000 claims abstract description 20
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 8
- 239000004744 fabric Substances 0.000 claims description 18
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 16
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 16
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 14
- 239000000377 silicon dioxide Substances 0.000 claims description 8
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000011787 zinc oxide Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 description 29
- 230000000694 effects Effects 0.000 description 25
- 238000009987 spinning Methods 0.000 description 25
- 238000000034 method Methods 0.000 description 14
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 9
- 239000002245 particle Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 6
- 239000004745 nonwoven fabric Substances 0.000 description 6
- -1 polypropylene Polymers 0.000 description 6
- 238000007747 plating Methods 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 238000002310 reflectometry Methods 0.000 description 4
- 239000004952 Polyamide Substances 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 3
- 238000003556 assay Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 229910052809 inorganic oxide Inorganic materials 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 230000002087 whitening effect Effects 0.000 description 3
- SVTBMSDMJJWYQN-UHFFFAOYSA-N 2-methylpentane-2,4-diol Chemical compound CC(O)CC(C)(C)O SVTBMSDMJJWYQN-UHFFFAOYSA-N 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004043 dyeing Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000002074 melt spinning Methods 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002759 woven fabric Substances 0.000 description 2
- 229920001634 Copolyester Polymers 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 229920000305 Nylon 6,10 Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- ORLQHILJRHBSAY-UHFFFAOYSA-N [1-(hydroxymethyl)cyclohexyl]methanol Chemical compound OCC1(CO)CCCCC1 ORLQHILJRHBSAY-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 1
- 229940106691 bisphenol a Drugs 0.000 description 1
- CDQSJQSWAWPGKG-UHFFFAOYSA-N butane-1,1-diol Chemical compound CCCC(O)O CDQSJQSWAWPGKG-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000013068 control sample Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229940051250 hexylene glycol Drugs 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
- D01F1/106—Radiation shielding agents, e.g. absorbing, reflecting agents
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2927—Rod, strand, filament or fiber including structurally defined particulate matter
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Multicomponent Fibers (AREA)
Abstract
Under the invention provides a kind of IR wavelength (such as 800 ~ 3000nm) being easy to be converted into heat energy, there is high reflectance and there is the polyester type conjugate fiber with the colour rendering of existing polyester fiber same degree.Described polyester type conjugate fiber is the quality ratio of core composition and sheath composition is the sheath-core type conjugate fiber of 10:90 ~ 30:70, wherein, core composition is thermoplastic polymer, and it contains more than 8 % by weight and the sunshine that the average grain diameter of less than 70 % by weight is less than 0.5 μm covers material; Sheath composition is polyester polymer, and it contains more than 0.5 % by weight and the thermal insulation particulate that can keep colour rendering of less than 10 % by weight, and the average grain diameter of this thermal insulation particulate is less than 0.1 μm and is less than the average grain diameter that described sunshine covers material.
Description
association request
The priority of the Japanese Patent Application 2012-014682 that on January 27th, 2012 proposes in Japan is advocated in this case, with reference to its full content, it can be used as the part that forms the application and quotes.
Technical field
The present invention relates to a kind of polyester type conjugate fiber, it is being easy to have high reflectance under the ultrared wavelength (such as 800 ~ 3000nm) being converted into heat energy thus is possessing thermal insulation and have the colour rendering with existing polyester fiber same degree.
Background technology
All the time, the cloth and silk much with refrigerant sense is proposed.Such as, have the shape of fiber or braid method designed and given refrigerant sense by effect of heat insulation method (patent document 1), use the cloth and silk implementing silver-colored plating cover fiber surface come reflected infrared ray method (patent document 2), by carrying out the method for the wavelength (800 ~ 3000nm) of reflected infrared ray in core composition and sheath composition containing titanium oxide.
Record in patent document 1: by using by the polyester multifilament crimped filament of meristogenetic specific large volume, comprise large quantity of air in strand inside and play effect of heat insulation, the goods of cooling excellence can be obtained, described monofilament entirety covers material containing the sunshine of more than 3 % by weight, and the content covering material at the sunshine in sheath portion is less than 0.8 % by weight.
In patent document 2 record: the Woven fabric product with infrared reflectivity is used for interim camp formula fabrication, dome type fabrication roof Material, leisure camp time, regulate by reflecting the internal temperature of infrared ray to building of solar heat, described Woven fabric product employs the cloth and silk raw material made at the fiber of the coated silver-colored plating of fiber surface.
Record in patent document 3: by containing the titanium oxide that the average grain diameter of more than 3 % by weight is 0.8 ~ 1.8 μm at core, and the average grain diameter containing 0.5 ~ 10 % by weight in sheath portion is the titanium oxide of less than 0.4 μm, reflection can be easy to the IR wavelength being converted into heat energy, thus obtain effect of heat insulation.
A kind of knitted fabric is disclosed in patent document 4, it comprises the core-sheath composite fiber of more than 40 % by weight, and infrared absorbent is adhered to equably, the content that described core-sheath composite fiber has an inorganic oxide particle to be the core of 3 ~ 20 % by weight and the content of inorganic oxide particle be less than 2 % by weight sheath portion, for this knitted fabric, core-sheath composite fiber reflect visible light, ultraviolet can be utilized, and by making infrared absorbent adhere to, ultrared transmission can be prevented.
But in patent document 1, in order to increase the volume of silk, need high orientation undrawn yarn being supplied to heat-treating machine, after carrying out overfeeding (overfeed) process, carry out the operation stretched, false twisting is processed, cost uprises.
In patent document 2, must use the cloth and silk having carried out silver-colored plating, due to required silver-colored plating operation, not only cost uprises, and owing to implementing silver-colored plating on cloth and silk, also there is the shortcoming of shading.
In patent document 3, because containing the titanium oxide of 0.5 ~ 10 % by weight in sheath portion, therefore there is the shortcoming that the colour rendering because dyeing caused reduces.
In patent document 4, because of core only containing 3 ~ 20 % by weight inorganic oxide particle, insufficient to infrared reflectivity by adopt infrared absorbent this fact also can specify this independent core-sheath composite fiber to knitted fabric.
Prior art document
Patent document
Patent document 1: Japanese Unexamined Patent Publication 8-158186 publication
Patent document 2: Japanese Unexamined Patent Publication 8-92842 publication
Patent document 3: Japanese Unexamined Patent Publication 2011-241530 publication
Patent document 4: Japanese Unexamined Patent Publication 2008-223171 publication
Summary of the invention
The problem that invention will solve
The present invention solves above-mentioned problems of the prior art and completes.
The object of the present invention is to provide a kind of sheath-core type conjugate fiber, its not only reflected infrared ray, there is effect of heat insulation, and can not cause because of the color exception caused by whitening, distinct colour developing can be carried out.
Another object of the present invention is to provide a kind of sheath-core type conjugate fiber, not only spinnability is good for it, and can realize excellent thermal insulation and colour rendering.
The method of dealing with problems
Present inventor etc. in order to solve above-mentioned problem and through further investigation, found that: although cover material if be considered to all the time containing sunshine, then can cover due to sunshine the reflectivity that material has, fiber generation whitening and colour rendering cannot be improved, if but in core composition, cover material containing the sunshine with specific average grain diameter when (i), simultaneously, (ii) in sheath composition, comprise the thermal insulation particulate with the specific average grain diameter being less than core composition average grain diameter, and combine (iii) sheath composition larger relative to core composition, then core composition can reflected sunlight effectively, on the other hand, not only sheath composition can improve thermal insulation, and can colour rendering be kept, this completes the present invention.
Namely, the invention provides a kind of sheath-core type conjugate fiber, it comprises core composition (A composition) and sheath composition (B component), this core composition (A composition) is thermoplastic polymer, and it contains more than 8 % by weight and the average grain diameter of less than 70 % by weight is less than 0.5 μm that the sunshine of (preferably greater than 0.1 μm and less than 0.5 μm) covers material; This sheath composition (B component) is polyester polymer, it contains more than 0.5 % by weight and the thermal insulation particulate that can keep colour rendering of 10 % by weight, and the average grain diameter of this thermal insulation particulate is less than 0.1 μm and is less than the average grain diameter that described sunshine covers material.The quality ratio of core composition and sheath composition is 10:90 ~ 30:70.Described core composition can containing more than 20 % by weight and the sunshine of less than 70 % by weight covers material.The standard aqueous rate of optimum fiber entirety is more than 0.3%.
Described sunshine covers material and can be at least one be selected from titanium oxide, zinc oxide and barium sulfate.In addition, thermal insulation particulate can be at least one be selected from silica and barium sulfate.
Further preferably: in above-mentioned sheath-core type conjugate fiber, be set to R by from the focus point G of fiber cross section to the air line distance in the solstics of fiber peripheral part, when the air line distance from focus point G to the solstics of core composition is set to r, can be R/r >=1.8.
And the ultrared average reflectance of above-mentioned sheath-core type conjugate fiber to wavelength 800 ~ 1200nm can be more than 70%.In addition, L* value can be less than 16.5.
It should be noted that, in the present invention, so-called " can colour rendering be kept ", refer to and keep the chromaticity of fiber and do not reduce in fact the identical implication of colour rendering, such as titanium oxide can hinder the colour rendering of fiber as delustering agent, therefore is not included in this thermal insulation particulate.In addition, when also having the function of covering sunshine while keeping colour rendering, sunshine covers the inorganic compound that material and thermal insulation particulate can be identical type.
In addition, any combination of at least 2 inscapes disclosed in claims and/or description is all contained in the present invention.Particularly, any combination of more than 2 claims recorded in claims is also all contained in the present invention.
Invention effect
In the present invention, for core sheath composite fibre, sheath composition uses the polyester polymer comprising the thermal insulation particulate with specified particle diameter and ratio, core composition uses and comprises the thermoplastic polymer that the sunshine with specified particle diameter and ratio covers material, and there is the sheath composition particular kind of relationship larger relative to the quality ratio of core composition, therefore sheath-core type conjugate fiber is being easy to have high reflectance under the IR wavelength being converted into heat energy, thus effect of heat insulation can be obtained, and the colour rendering with existing polyester same degree can be had.
In the present invention, owing to there is the sheath composition particular kind of relationship larger relative to the quality ratio of core composition, therefore, a large amount of cover material even if be mixed in core composition, still can keep colour rendering and the spinnability of fiber.
In addition, when sheath-core type conjugate fiber has specific standard aqueous rate, effect of heat insulation can be improved.
Further, when sheath-core type conjugate fiber has specific sectional shape, the colour rendering of fiber can be improved.
Accompanying drawing explanation
With reference to accompanying drawing, the preferred embodiment of the present invention is described.But embodiment and accompanying drawing, only for diagram and explanation, are not determined of the present invention being limited in scope.Scope of the present invention is determined by claim.
Fig. 1 is the schematic diagram of an example of the section morphology representing composite fibre of the present invention.
Fig. 2 is the cross-section photograph of an example of the compound cross-section form representing fiber of the present invention.
Detailed description of the invention
The thermoplastic polymer of the core composition (A composition) of sheath-core type conjugate fiber of the present invention to be the average grain diameter containing specified quantitative the be sunshine of less than 0.5 μm covers material, sheath composition (B component) is the polyester polymer that can keep the thermal insulation particulate of fiber colour rendering containing specified quantitative, the average grain diameter of described thermal insulation particulate is less than 0.1 μm and is less than the average grain diameter that described sunshine covers material, and the quality ratio of core composition and sheath composition is 10:90 ~ 30:70.
[core composition (A composition)]
For form sheath-core type conjugate fiber of the present invention core composition (A composition), the thermoplastic polymer (below sometimes referred to as A component polymer) that covers material containing sunshine is described.A component polymer (namely covering the thermoplastic polymer of material containing sunshine) can use polyamide, polyester, polypropylene etc.Wherein, material is covered and price and the high viewpoint of versatility, the polyester such as preferred polyamide or polyethylene terephthalate based on sunshine high can be filled.
In addition, material (preferred infrared ray covers material) is covered as sunshine so-called in the present invention, ultrared wavelength (800 ~ 3000nm, the especially 800 ~ 1200nm) reflection or transmission and the high particulate be filled in thermoplastic polymer of energy that can not make to be easy to convert to heat energy must be used.Such as titanium oxide, zinc oxide, barium sulfate etc. and their mixture can be enumerated.Particularly preferably use and the high titanium oxide of versatility as delustering agent.
In addition, the present invention by A component polymer containing more than 8 % by weight and the sunshine that the average grain diameter of less than 70 % by weight is less than 0.5 μm covers material, reflect efficiently and be easy to the IR wavelength being converted into heat energy, play effect of heat insulation thus.When the content that sunshine covers material is less than 8 % by weight, can reflect IR wavelengths efficiently, sufficient effect of heat insulation cannot be obtained.On the contrary, if sunshine covers the content of material more than 70 % by weight, the reeling off raw silk from cocoons property not only during spinning can extremely worsen, and colour rendering during dyeing also can reduce.Be preferably more than 10 % by weight, more preferably above 20 % by weight.On the other hand, based on the viewpoint making spinnability good, the content that sunshine covers material is preferably less than 60 % by weight, is more preferably less than 50 % by weight.
In addition, if the average grain diameter that sunshine covers material is greater than 0.5 μm, then not only throwing can reduce, and cannot reflect IR wavelengths efficiently, cannot obtain sufficient effect of heat insulation.The average grain diameter that sunshine covers material is preferably less than 0.4 μm, is more preferably less than 0.3 μm.In addition, as long as sunshine covers material energy reflect IR wavelengths, then its average grain diameter not circumscribed, more than 0.05 μm is preferably, can more preferably above 0.1 μm.
It should be noted that, because the near infrared wavelength from fiber surface incidence can pass through fibrillar center because refractive index is different, therefore, cover compared with material is scattered in fiber with sunshines such as making titanium oxide, by its height is filled in core composition, can reflect near IR line efficiently, obtain the effect of heat insulation of height.In addition, when the concentration that the sunshine in core composition covers material is higher than thermal insulation particle concentration in sheath composition, can not only colour rendering be kept, also can keep throwing.
[sheath composition (B component)]
Then, for form sheath-core type conjugate fiber of the present invention sheath composition (B component), polyester polymers (below sometimes referred to as B component polymer) containing thermal insulation particulate is described.
At B component polymer, namely containing keeping, in the polyester polymers of thermal insulation particulate of colour rendering, preferably using the polyesters such as polyethylene terephthalate, polybutylene terephthalate (PBT); Or more state polyester as main body framework, and with aliphatic dibasic acids such as aromatic acid, adipic acid, decanedioic acid such as M-phthalic acid, the M-phthalic acids with metal sulfamate ester group, the 3rd such compositions such as polyalcohol such as diethylene glycol, butanediol, hexylene glycol, cyclohexanedimethanol, bisphenol-A, poly alkylene glycol, pentaerythrite have carried out the copolyester class of modification.
In addition, the thermal insulation particulate contained in so-called B component in the present invention is expected to use the inorganic particles that can keep colour rendering, particularly preferably uses silica, barium sulfate etc. and their mixture.
The average grain diameter of thermal insulation particulate is less than 0.1 μm, is preferably less than 0.08 μm and more than 0.03 μm.
In addition, the present invention contains more than 0.5 % by weight by B component and the thermal insulation particulates such as the silica of less than 10 % by weight (being preferably less than 10 % by weight), can not only keep the existing dyeability of polyester, and can play effect of heat insulation.When thermal insulation particulate is less than 0.5 % by weight, not only throwing can reduce, and cannot obtain the effect of heat insulation because thermal insulation particulate brings.On the contrary, if the content of thermal insulation particulate is more than 10 % by weight, then reeling off raw silk from cocoons property during spinning can worsen terrifically.Even if or can spinning but the problem that fracture of wire occurs can be produced in stretching process, still gratifying quality cannot to be obtained after stretching in addition sometimes.Be preferably more than 0.5 % by weight and less than 8 % by weight, be more preferably l more than % by weight and less than 7 % by weight.
[sheath-core type conjugate fiber]
Sheath-core type conjugate fiber of the present invention can manufacture according to manufacture method described later, and the standard aqueous rate of sheath-core type conjugate fiber entirety of the present invention is preferably more than 0.4%.When the standard aqueous rate of this composite fibre is less than 0.3%, the evaporation latent heat with the evaporation of contained humidity is little, therefore cannot obtain sufficient effect of heat insulation sometimes.
As shown in Figure l, in the present invention, R is set to from the focus point G of fiber cross section to the air line distance in the solstics of fiber peripheral part, when the air line distance from focus point G to the solstics of core composition is set to r, preferred R/r >=2, more preferably R/r >=3.As R/r<1.8, the sunshine sometimes because containing in core composition covers the impact of material (such as titanium oxide), cause the colour rendering of this composite fibre be deteriorated and not preferred.
In addition, in sheath-core type conjugate fiber of the present invention, the quality ratio of A composition and B component is 10:90 ~ 30:70, is preferably 10:90 ~ 25:75, is more preferably 10:90 ~ 20:80.When the quality ratio of A component polymer is less than 10%, not preferred due to the effect of heat insulation step-down of core composition.In addition, when the quality ratio of A component polymer is more than 30%, the colour rendering of this composite fibre is deteriorated and not preferred.
In above-mentioned composite fibre, and be not particularly limited the thickness of fiber, arbitrary thickness can be become, but in order to obtain the good fiber of colour rendering, preferably make the filament denier of composite fibre become about 0.3 ~ 11dtex in advance.In addition, long fiber is not only, even staple fibre also can expect effect of the present invention.
The infrared reflection rate of sheath-core type conjugate fiber of the present invention is high, such as, can be more than 70% to the ultrared average reflectance that wavelength is 800 ~ 1200nm, is preferably more than 70.5%, is more preferably more than 71%.
Sheath-core type conjugate fiber of the present invention can suppress the color exception because of the color caused by whitening, and such as L* value can be less than 16.5, is preferably less than 16.
The change of composite fibre obtained in the present invention is faded, additionally pollute, the color fastness to washing of liquid contamination is preferably more than 4 grades.When wherein one of any be below 3 grades time, from the view point of operability, not preferably as conventional dress material purposes.
In addition, the light fastness of obtained in the present invention composite fibre is preferably more than 4 grades.When color fastness to light is below 3 grades, from the view point of operability, not preferably as conventional dress material purposes.
Sheath-core type conjugate fiber of the present invention also has abundant intensity in practical use in fracture strength, the fracture strength that the loading-extension curve obtained by using Instron (Instron) type cupping machine is tried to achieve is such as about 1.5 ~ 10cN/dtex, be preferably about 1.8 ~ 8CN/dtex, more preferably can be about 2 ~ 6cN/dtex.
Sheath-core type conjugate fiber of the present invention also has sufficient percentage elongation in practicality in elongation at break, the elongation at break that the loading-extension curve obtained by using Instron type cupping machine is tried to achieve is such as about 10 ~ 80%, be preferably about 20 ~ 70%, be more preferably about 30 ~ 60%.
Manufacture method below for composite fibre of the present invention is described.
First with different extruders, A component polymer and B component polymer melting are extruded respectively, and be directed into respective spinneret, via the spinning metallic nozzle forming each target compound shape, its melt spinning is manufactured.In addition, pass through property in order to ensure the quality required by end article and good operation, optimal spinning and drawing process can be selected.More specifically, no matter the 2 step modes stretched in the spinning stretching mode or carry out with other operation after taking spinning precursor of carrying out spin-draw with 1 step, and do not carry out stretching and directly extract non-stretching silk and be in the speed of more than the 2000m/ minute mode of batching with speed, by carrying out goods after arbitrary silk manufacturing procedure, this composite fiber product with good effect of heat insulation and colour rendering can be obtained thus.
In the spinning process of manufacture method of the present invention, use common melt spinning device, spun by metallic nozzle.In addition, cross sectional shape and the diameter of obtained fiber can be set arbitrarily according to the shape of metallic nozzle and size.
Composite fibre obtained in the present invention can be used as various fiber assembly (fibrous structure thing) and uses.So-called fiber assembly herein, certainly the braided fabric, the nonwoven fabric that are only obtained by fiber of the present invention is comprised, also can be the part braided fabric that uses fiber of the present invention to make or nonwoven fabric, such as with the interwoven of other fibers such as natural fabric, chemical fibre, synthetic fiber, or as braided fabric, mixed continuous nonwoven fabric etc. that blended ratio, combined yarn use, the ratio of fiber of the present invention shared by braided fabric or nonwoven fabric is more than 10 % by weight, is preferably more than 30 % by weight.
The main application of fiber of the present invention, can be used alone long fiber or part use long fiber to make braided fabric etc., make the dress material raw material representing excellent handle.On the other hand, with regard to staple fibre, there are dress material artificial cotton, dry type nonwoven fabric and Wet-laid non-woven fabric etc., are not only for dress material, are also applicable to the non-dress material purposes such as various life material, industry material.
By the following examples in detail the present invention is described in detail, but the present invention is not by any restriction of these embodiments.It should be noted that, the measured value in embodiment measures in accordance with the following methods.
< thermal insulation evaluates >
(△ T measures)
About △ T, after the adjustment evenly of fiber footpath, this obtained composite fibre is used to be 200g/m to weight per unit area
2cylindrical fabric refining after, irradiate reflector lamp, measure the temperature immediately below sample after 15 minutes.Temperature uses the attaching type sensor TNA-8A of TascoJapan Co., Ltd. to measure, and evaluates according to following enforcement: namely contain 0.05 % by weight TiO to relative to control sample
2pet fiber demonstrate the high temperature of which kind of degree, evaluate with temperature difference (△ T DEG C).
(reflection and transmissivity)
About reflection and transmissivity, by the adjustment of fiber footpath evenly, use this obtained composite fibre to after the weight per unit area cylindrical fabric refining that is 200g/ ㎡, use determinator shown below to measure.
Spectral reflectance analyzer: spectrophotometer HITACHI
C-2000SColorAnalyzer
< colouring method >
Dyestuff: DiacrylBlackBSL-F7%omf
Dispersing aid: DisperTL (Ming Cheng chemical industry Co., Ltd. system) lg/l
PH conditioning agent: ULTRAMT grade lg/l
Bath raio: 1:50 temperature: 130 DEG C × 40 minutes
Reduction cleaning
Sulfohydrate lg/l
AMILADIN (the first industrial pharmaceutical) lg/l
NaOHlg/l
Bath raio: 1:30 temperature: 80 DEG C × 120 minutes
< colour rendering >
(L* value)
Its value obtained product dyed thereby measured for using Hitachi 307 type color analysis device (Hitachi: automatic recording spectrophotometer).
< color fastness to washing >
Measure according to the assay method of JISL-0844.
< color fastness to light >
Measure according to the assay method of JISL-0842.
< fiber number >
Measure according to the assay method of JISL-1013.
< fracture strength >
Obtained by the loading-extension curve using Instron type cupping machine to obtain.
< elongation at break >
Obtained by the loading-extension curve using Instron type cupping machine to obtain.
< spinnability >
Spinnability evaluation is carried out according to following benchmark.
◎: through carrying out the continuous spinning of 24 hours, any fracture of wire does not occur during spinning, and do not produce fine hair, looped pile etc. completely in this obtained composite fibre, spinnability is very good
Zero: through carrying out the continuous spinning of 24 hours, during spinning, the frequency of fracture of wire occurring is less than 1 time, does not produce fine hair, looped pile completely in this obtained composite fibre, though or to produce a little spinnability substantially good
△: through carrying out the continuous spinning of 24 hours, during spinning, fracture of wire as many as 3 times occur, spinnability is bad
×: through carrying out the continuous spinning of 24 hours, fracture of wire occurs more than 3 times during spinning, spinnability is very bad
(embodiment 1)
Be the recombination rate (quality ratio) of the polyethylene terephthalate (B component polymer) containing the silica of 1.0 % by weight in polyamide (A component polymer) and the sheath composition of the titanium oxide of 0.4 μm containing the average grain diameter of 70 % by weight in core composition be under the condition of 10:90, use hole count is the nozzle of 24 (aperture 0.25mm φ), with spinning temperature 260 DEG C, single hole spray volume=1.42g/ minute spins, by temperature 25 DEG C, the cooling air of humidity 60% with the speed winding-up of 0.4m/ second to spinning strand, strand is become after below 60 DEG C, import the long 1.0m being arranged on the position of 1.2m below spinning-nozzle, entrance guide rod footpath 8mm, outlet guide rod footpath 10mm, internal diameter 30mm φ tubular heater (interior temperature 185 DEG C), after stretching in tubular heater, with atomizer to the strand oil supply sent by tubular heater, batched with the speed of 4000m/ minute by 2 extraction roll, this composite fibre silk (intensity 2.53cN/dtex of obtained 84T/24f, percentage elongation 40.2%).After using this obtained composite fibre to carry out the cylindrical fabric of refining weight per unit area for 200g/ ㎡, implement various mensuration.The focus point G of composite fibre cross section is since then set to R to the air line distance in the solstics of fiber peripheral part, when air line distance from focus point G to the solstics of core composition is set to r, R/r=3.2, is shown in table 1 by L* value now, reflectivity, △ T (DEG C) and spinnability.The L* value of this composite fibre obtained with manufacture method of the present invention is 15.56, the colour rendering of display and existing polyester fiber same degree.In addition, the high effect of heat insulation of △ T=-3.6 DEG C is shown.In addition, color fastness to washing and color fastness to light are more than 4 grades.
(embodiment 2 ~ 11)
Change interpolation particle and the content of the polymer of A composition and B component, A composition and B component, carry out spinning in the same manner as in Example 1, this composite fibre silk of obtained 84T/24f.The physical property of obtained fiber is shown in table 1.Being good L* value, △ T, is the quality without any problem.In addition, in embodiment 10, by using barium sulfate as the particulate contained in sheath composition, under the state keeping colour rendering, high effect of heat insulation can be obtained.In addition, the color fastness to washing of arbitrary fiber and color fastness to light are more than 4 grades.
(embodiment 12 ~ 13)
Change the core sheath ratio of this composite fibre, carry out spinning in the same manner as in Example 1, this composite fibre silk of obtained 84T/24f.All showing excellent thermal insulation and colour rendering, is the quality without any problem.In addition, the washing fastness of arbitrary fiber and fast light fastness are more than 4 grades.
(comparative example 1 ~ 8)
Change interpolation particle and the content of the polymer of A composition and B component, A composition and B component, carry out spinning in the same manner as in Example 1, this composite fibre silk of obtained 84T/24f.The physical property of obtained fiber is shown in table 1.
In comparative example 1, the titanium oxide contained in core composition is 0%, therefore, cannot obtain effect of heat insulation.In addition, in comparative example 2, the content of titanium oxide is too much, and up to 80 % by weight, therefore, reeling off raw silk from cocoons property during spinning extremely worsens, and cannot carry out spinning.
In comparative example 3, the silica contained in sheath composition is 0%, and therefore, effect of heat insulation is insufficient, and different from embodiment 1 ~ 13, cannot obtain fiber with 1 step of spin-draw.In addition, in comparative example 4, the content of silica is too much, and up to 15 % by weight, therefore, reeling off raw silk from cocoons property during spinning extremely worsens, and cannot carry out spinning.
In comparative example 5, the quality ratio of core sheath composition is 50:50, though show good effect of heat insulation, because the content of core composition is more, result lacks colour rendering.
In comparative example 6, owing to containing titanium oxide in sheath composition, though show good effect of heat insulation, colour rendering is poor.
In comparative example 7, because the silica contained in core composition is not that sunshine of the present invention covers material, therefore effect of heat insulation is poor.
In comparative example 8, the particle diameter due to the titanium oxide contained in core composition is more than 0.5 μm, therefore cannot obtain effect of heat insulation.
industrial applicibility
According to the composite fibre that the present invention obtains, be easy to the ultrared wavelength (such as 800 ~ 3000nm being converted into heat energy, particularly 800 ~ 1200nm) under there is high reflectance, and there is the colour rendering with existing polyester same degree, be therefore suitable for whole dress material.
As mentioned above, with reference to accompanying drawing preferred embodiments of the present invention have been disclosed for illustrative, as long as those skilled in the art, with reference to description of the present invention, can change places at clear and definite the range content various change of presumption and correction.Therefore, this kind changes and revises and be interpreted as in the scope of invention that can be determined by claim.
Claims (7)
1. a sheath-core type conjugate fiber, wherein, the quality ratio of core composition and sheath composition is 10:90 ~ 30:70,
Described core composition is thermoplastic polymer, and it contains more than 8 % by weight and the sunshine that the average grain diameter of less than 70 % by weight is less than 0.5 μm covers material,
Described sheath composition is polyester polymer, and it contains more than 0.5 % by weight and the thermal insulation particulate that can keep colour rendering of less than 10 % by weight, and the average grain diameter of described thermal insulation particulate is less than 0.1 μm and is less than the average grain diameter that described sunshine covers material,
It is be selected from least one in titanium oxide, zinc oxide and barium sulfate that described sunshine covers material,
Described thermal insulation particulate is selected from least one in silica and barium sulfate.
2. sheath-core type conjugate fiber according to claim 1, wherein, core composition contains more than 20 % by weight and the sunshine of less than 70 % by weight covers material.
3. sheath-core type conjugate fiber according to claim 1 and 2, wherein, the standard aqueous rate of fabric integer is more than 0.4%.
4. sheath-core type conjugate fiber according to claim 1 and 2, wherein, sunshine covers the average grain diameter of material more than 0.1 μm.
5. sheath-core type conjugate fiber according to claim 1 and 2, wherein, is set to R by from the focus point G of fiber cross section to the air line distance in the solstics of fiber peripheral part, when the air line distance from focus point G to the solstics of core composition is set to r, and R/r >=1.8.
6. sheath-core type conjugate fiber according to claim 1 and 2, it is more than 70% to the ultrared average reflectance of wavelength 800 ~ 1200nm.
7. sheath-core type conjugate fiber according to claim 1 and 2, its L* value is less than 16.5.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
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| JP2012-014682 | 2012-01-27 | ||
| JP2012014682 | 2012-01-27 | ||
| PCT/JP2013/050752 WO2013111661A1 (en) | 2012-01-27 | 2013-01-17 | Polyester composite fiber with excellent heat-shielding property and coloration |
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| Publication Number | Publication Date |
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| CN104066875A CN104066875A (en) | 2014-09-24 |
| CN104066875B true CN104066875B (en) | 2015-12-30 |
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| CN201380006484.4A Expired - Fee Related CN104066875B (en) | 2012-01-27 | 2013-01-17 | The polyester type conjugate fiber of thermal insulation and excellent color reproducing performance |
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| Country | Link |
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| US (1) | US20140335354A1 (en) |
| EP (1) | EP2808428B1 (en) |
| JP (1) | JP6005070B2 (en) |
| CN (1) | CN104066875B (en) |
| TW (1) | TWI580831B (en) |
| WO (1) | WO2013111661A1 (en) |
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| JP6212822B2 (en) * | 2013-11-22 | 2017-10-18 | 平岡織染株式会社 | Thermal barrier film material with excellent daylighting |
| JP6355388B2 (en) * | 2014-03-31 | 2018-07-11 | Ｋｂセーレン株式会社 | Composite fiber |
| CN106319685A (en) * | 2015-06-19 | 2017-01-11 | 香港理工大学 | Heat insulation core-shell composite fiber for reflecting near infrared rays, and production method of fiber |
| CN109512038A (en) * | 2017-09-20 | 2019-03-26 | 绿能奈米科技有限公司 | Far infrared fiber promotes the purposes of the underpants of male's sexual in preparation |
| CN110637114A (en) * | 2017-11-10 | 2019-12-31 | 东丽纤维研究所（中国）有限公司 | High-penetration-prevention core sheath composite fiber and fabric |
| CN111455483A (en) * | 2020-04-05 | 2020-07-28 | 华中科技大学 | Radiation refrigeration fiber and preparation method of fabric thereof |
| TWI754922B (en) | 2020-04-28 | 2022-02-11 | 財團法人紡織產業綜合研究所 | Infrared reflecting fiber and fabricating method thereof |
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| JPH05222632A (en) * | 1992-02-13 | 1993-08-31 | Unitika Ltd | Fancy yarn having refreshing feeling |
| JPH05239724A (en) * | 1992-02-21 | 1993-09-17 | Unitika Ltd | Refreshing material bearing pattern effect |
| JPH0892842A (en) | 1994-09-21 | 1996-04-09 | Mitsufuji Seni Kogyo Kk | Cloth product having infrared reflectivity using silver-plated fiber |
| JP3464062B2 (en) | 1994-11-29 | 2003-11-05 | ユニチカ株式会社 | Bulky polyester crimped yarn with refreshing feeling |
| JPH11350256A (en) * | 1998-06-12 | 1999-12-21 | Kuraray Co Ltd | Special composite fiber |
| JP4357627B2 (en) * | 1999-03-30 | 2009-11-04 | 旭化成せんい株式会社 | UV shielding fabric |
| US7338877B1 (en) * | 2002-11-27 | 2008-03-04 | Fiber Innovation Technology, Inc. | Multicomponent fiber including a luminescent colorant |
| JP4228856B2 (en) * | 2003-09-22 | 2009-02-25 | 東レ株式会社 | Thermoplastic fibers, fabrics and textile products |
| JP2005273085A (en) * | 2004-03-25 | 2005-10-06 | Toray Ind Inc | Core-sheath type polyester conjugate fiber and method for producing the same |
| WO2006008785A1 (en) * | 2004-07-15 | 2006-01-26 | Sumitomo Metal Mining Co., Ltd. | Fiber containing boride microparticle and textile product therefrom |
| JP4355945B2 (en) * | 2004-11-08 | 2009-11-04 | 住友金属鉱山株式会社 | Near-infrared absorbing fiber and fiber product using the same |
| JP2006161248A (en) * | 2004-12-10 | 2006-06-22 | Kawashima Selkon Textiles Co Ltd | Heat-blocking fiber and heat-blocking and light-collecting fabric |
| JP2006249625A (en) * | 2005-03-14 | 2006-09-21 | Toray Ind Inc | Core-sheath type polyester fiber |
| CN1912199A (en) * | 2005-08-08 | 2007-02-14 | 东丽纤维研究所（中国）有限公司 | Two-component polyester sheath core compound fibre and production method |
| CN100395400C (en) * | 2005-09-29 | 2008-06-18 | 上海交通大学 | Method for preparing Nano composite material of polyester in use for fibers in deep dyed color |
| CN100355831C (en) * | 2005-10-28 | 2007-12-19 | 四川大学 | Phosphorus containing fire retardant copolyester/barium sulphate nano-composite material and its preparation method |
| CN101595255A (en) * | 2007-01-29 | 2009-12-02 | 株式会社Y.G.K | Luminescent composite yarn |
| JP2008223171A (en) * | 2007-03-13 | 2008-09-25 | Asahi Kasei Fibers Corp | Knitted fabric having excellent infrared transmission prevention property |
| CN101358387A (en) * | 2008-09-09 | 2009-02-04 | 江苏省纺织研究所有限公司 | White composite electric conductive fiber |
| CN101570901B (en) * | 2009-03-24 | 2011-01-26 | 舟山欣欣化纤有限公司 | Chemical fiber with high optical shielding |
| JP2011241529A (en) * | 2010-04-21 | 2011-12-01 | Kb Seiren Ltd | Sheath-core conjugate fiber |
| JP5777391B2 (en) | 2010-04-21 | 2015-09-09 | Ｋｂセーレン株式会社 | Interior interior materials |
| JP5379076B2 (en) * | 2010-05-26 | 2013-12-25 | Ｋｂセーレン株式会社 | Composite synthetic fiber |
| US20120289107A1 (en) * | 2011-04-22 | 2012-11-15 | OSUS, Inc. | Metal/polymer composite fibers |
-
2013
- 2013-01-17 WO PCT/JP2013/050752 patent/WO2013111661A1/en active Application Filing
- 2013-01-17 JP JP2013555230A patent/JP6005070B2/en active Active
- 2013-01-17 CN CN201380006484.4A patent/CN104066875B/en not_active Expired - Fee Related
- 2013-01-17 EP EP13741605.3A patent/EP2808428B1/en active Active
- 2013-01-24 TW TW102102570A patent/TWI580831B/en not_active IP Right Cessation
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| Publication number | Publication date |
|---|---|
| EP2808428B1 (en) | 2018-06-13 |
| TW201335451A (en) | 2013-09-01 |
| US20140335354A1 (en) | 2014-11-13 |
| JP6005070B2 (en) | 2016-10-12 |
| JPWO2013111661A1 (en) | 2015-05-11 |
| CN104066875A (en) | 2014-09-24 |
| WO2013111661A1 (en) | 2013-08-01 |
| EP2808428A1 (en) | 2014-12-03 |
| EP2808428A4 (en) | 2015-09-23 |
| TWI580831B (en) | 2017-05-01 |
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