CN104066875A - Polyester composite fiber with excellent heat-shielding property and coloration - Google Patents
Polyester composite fiber with excellent heat-shielding property and coloration Download PDFInfo
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- CN104066875A CN104066875A CN201380006484.4A CN201380006484A CN104066875A CN 104066875 A CN104066875 A CN 104066875A CN 201380006484 A CN201380006484 A CN 201380006484A CN 104066875 A CN104066875 A CN 104066875A
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- composite fibre
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- 239000000835 fiber Substances 0.000 title claims abstract description 109
- 239000002131 composite material Substances 0.000 title claims abstract description 57
- 229920000728 polyester Polymers 0.000 title claims abstract description 23
- 229920000642 polymer Polymers 0.000 claims abstract description 20
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims description 91
- 238000009413 insulation Methods 0.000 claims description 50
- 239000000463 material Substances 0.000 claims description 45
- 238000009877 rendering Methods 0.000 claims description 30
- 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
- 239000002245 particle Substances 0.000 abstract description 11
- 239000000126 substance Substances 0.000 abstract description 4
- 239000000306 component Substances 0.000 abstract 2
- 239000008358 core component Substances 0.000 abstract 2
- 239000010419 fine particle Substances 0.000 abstract 1
- 238000009987 spinning Methods 0.000 description 25
- 230000000694 effects Effects 0.000 description 24
- 238000000034 method Methods 0.000 description 17
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000004745 nonwoven fabric Substances 0.000 description 6
- 238000007747 plating Methods 0.000 description 5
- -1 polypropylene Polymers 0.000 description 5
- 239000012209 synthetic fiber Substances 0.000 description 5
- 229920002994 synthetic fiber Polymers 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
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 3
- 238000003556 assay Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 150000001875 compounds Chemical class 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
- 238000007670 refining Methods 0.000 description 3
- 239000003507 refrigerant Substances 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
- 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
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 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
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 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
- 239000001361 adipic acid Substances 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly 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
- 238000001816 cooling Methods 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
- 230000003631 expected effect Effects 0.000 description 1
- 229940051250 hexylene glycol Drugs 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
- 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
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- 238000012545 processing Methods 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
- 244000149079 tacso Species 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
Provided is a polyester composite fiber which has a high reflectance at the wavelengths of infrared rays (e.g., 800-3,000 nm) that are readily converted to heat energy and which has coloration comparable to that of conventional polyester fibers. The polyester composite fiber is a core/sheath type composite fiber in which the core component is a thermoplastic polymer that contains 8-70 wt% sunlight-shielding substance having an average particle diameter of 0.5 [mu]m or smaller, the sheath component is a polyester polymer containing 0.5-10 wt% heat-shielding fine particles that have an average particle diameter of 0.1 [mu]m or smaller, are smaller than the sunlight-shielding substance, and can maintain the coloration, and the mass ratio of the core component to the sheath component is 10:90 to 30:70.
Description
association request
The priority of Japanese Patent Application 2012-014682 that on January 27th, 2012 proposes in Japan is advocated in this case, with reference to its full content, sets it as and forms the application's a part and quote.
Technical field
The present invention relates to a kind of polyester type conjugate fiber, its be easy to be converted into the ultrared wavelength of heat energy (for example 800～3000nm) thus under there is high reflectance and possess thermal insulation and have and the colour rendering of existing polyester fiber same degree.
Background technology
All the time, proposed much to have the cloth and silk of refrigerant sense.For example, have the shape of pair fiber or braid method designs and by effect of heat insulation give the method (patent documentation 1) of refrigerant sense, with the cloth and silk of having implemented silver-colored plating cover fiber surface carry out the method (patent documentation 2) of reflected infrared ray, by contain the method for the wavelength (800～3000nm) that titanium oxide carrys out reflected infrared ray in core composition and sheath composition.
In patent documentation 1, record: by using the polyester multifilament crimped filament by meristogenetic specific large volume, comprise large quantity of air and bring into play effect of heat insulation in strand inside, can obtain the goods of refrigerant property excellence, the sunshine that described monofilament entirety contains more than 3 % by weight covers material, and the content that covers material at the sunshine of sheath portion is below 0.8 % by weight.
In patent documentation 2, record: when the Woven fabric product with infrared reflectivity is used to camp for roof Material, the leisure of interim camp formula fabrication, dome type fabrication, can regulate the internal temperature of building by the infrared ray of reflection solar heat, described Woven fabric product has used at fiber surface and has been coated the cloth and silk raw material that the fiber of silver-colored plating is made.
In patent documentation 3, record: be the titanium oxide of 0.8～1.8 μ m by the average grain diameter containing at core more than 3 % by weight, and the average grain diameter that contains 0.5～10 % by weight in sheath portion is the titanium oxide below 0.4 μ m, can reflection be easy to be converted into the IR wavelength of heat energy, thereby obtain effect of heat insulation.
In patent documentation 4, disclose a kind of knitted fabric, it comprises core-sheath-type synthetic fiber more than 40 % by weight, and infrared absorbent is adhered to equably, the content that described core-sheath-type synthetic fiber have inorganic oxide particle is that the core of 3～20 % by weight and the content of inorganic oxide particle are the sheath portion below 2 % by weight, for this knitted fabric, core-sheath-type synthetic fiber reflect visible light, ultraviolet ray can be utilized, and by infrared absorbent is adhered to, ultrared transmission can be prevented.
But, in patent documentation 1, in order to increase the volume of silk, need to be supplied to heat-treating machine height is orientated to undrawn yarn, carry out after overfeeding (overfeed) processes, stretch, the operation of false twisting processing, cost uprises.
In patent documentation 2, must use the cloth and silk that has carried out silver-colored plating, due to essential silver-colored plating operation, not only cost uprises, and owing to implementing silver-colored plating on cloth and silk, also has the shortcoming of shading.
In patent documentation 3, because of the titanium oxide that contains 0.5～10 % by weight in sheath portion, therefore exist because of dyeing due to colour rendering reduce shortcoming.
In patent documentation 4, because core only contains the inorganic oxide particle of 3～20 % by weight, by adopt this fact of infrared absorbent also can specify these independent core-sheath-type synthetic fiber to infrared reflectivity insufficient to knitted fabric.
Prior art document
Patent documentation
Patent documentation 1: Japanese kokai publication hei 8-158186 communique
Patent documentation 2: Japanese kokai publication hei 8-92842 communique
Patent documentation 3: TOHKEMY 2011-241530 communique
Patent documentation 4: TOHKEMY 2008-223171 communique
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 core-sheath-type composite fibre, its not only reflected infrared ray, there is effect of heat insulation, and can not cause because of the color exception due to whitening, can carry out distinct colour developing.
Another object of the present invention is to provide a kind of core-sheath-type composite fibre, not only spinnability is good for it, and can realize good thermal insulation and colour rendering.
The method of dealing with problems
Present inventor etc. in order to solve above-mentioned problem through further investigation, found that: cover material although contain sunshine if be considered to all the time, can be because sunshine covers the reflectivity that material has, fiber generation whitening and cannot improve colour rendering, if but cover material when (i) contains the sunshine with specific average grain diameter in core composition, simultaneously, (ii) in sheath composition, comprise the thermal insulation particulate with the specific average grain diameter that is less than core composition average grain diameter, and combination (iii) sheath composition larger with respect to core composition, core composition reflected sunlight effectively, on the other hand, not only sheath composition can improve thermal insulation, and can keep colour rendering, complete thus the present invention.
; the invention provides a kind of core-sheath-type composite fibre; it comprises core composition (A composition) and sheath composition (B composition); this core composition (A composition) is thermoplastic polymer, and it contains 8 % by weight average grain diameter above and below 70 % by weight is that the sunshine that (preferably exceedes 0.1 μ m and 0.5 μ m following) below 0.5 μ m covers material; This sheath composition (B composition) is polyester polymer, the thermal insulation particulate that can keep colour rendering that it contains above and 10 % by weight of 0.5 % by weight, the average grain diameter of this thermal insulation particulate is the average grain diameter that 0.1 μ m is following and be less than described sunshine and cover material.The quality ratio of core composition and sheath composition is 10:90～30:70.Described core composition can contain and exceed 20 % by weight and the sunshine below 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 being selected from titanium oxide, zinc oxide and barium sulfate.In addition, thermal insulation particulate can be at least one being selected from silica and barium sulfate.
Further preferably: in above-mentioned core-sheath-type composite fibre, the focus point G from fiber cross section, to the air line distance in the solstics of fiber peripheral part is made as R, when the air line distance in the solstics to core composition from focus point G is made as to r, be can be to R/r >=1.8.
And above-mentioned core-sheath-type composite fibre can be more than 70% the ultrared average reflectance of wavelength 800～1200nm.In addition, L* value can be below 16.5.
It should be noted that, in the present invention, so-called " can keep colour rendering ", refer to and keep the chromaticity of fiber and do not reduce in fact the implication that colour rendering is identical, for example titanium oxide can hinder the colour rendering of fiber as delustering agent, therefore be not included in this thermal insulation particulate.In addition, in the case of also having in keeping colour rendering the function of covering sunshine, sunshine covers material and thermal insulation particulate and can be the inorganic compound of identical type.
In addition, in claims and/or description, any combination of disclosed at least 2 inscapes is all contained in the present invention.Any combination of more than 2 claim of particularly, recording 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 that comprises the thermal insulation particulate with specified particle diameter and ratio, core composition uses the thermoplastic polymer that comprises the sunshine with specified particle diameter and ratio and cover material, and there is the particular kind of relationship that sheath composition is larger with respect to the quality ratio of core composition, therefore core-sheath-type composite fibre has high reflectance under the IR wavelength that is easy to be converted into heat energy, thereby can obtain effect of heat insulation, and can have and the colour rendering of existing polyester same degree.
In the present invention, owing to there is the particular kind of relationship that sheath composition is larger with respect to the quality ratio of core composition, therefore, even if sneak into a large amount of materials that covers in core composition, still can keep colour rendering and the spinnability of fiber.
In addition,, when core-sheath-type composite fibre has in the situation of specific standard aqueous rate, can improve effect of heat insulation.
Further, when core-sheath-type composite fibre has in the situation of specific sectional shape, can improve the colour rendering of fiber.
Brief description of the drawings
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 that represents an example of the section morphology of composite fibre of the present invention.
Fig. 2 is the cross-section photograph that represents an example of the compound cross-section form of fiber of the present invention.
Detailed description of the invention
The core composition (A composition) of core-sheath-type composite fibre of the present invention is that the average grain diameter that contains specified quantitative is the thermoplastic polymer that sunshine below 0.5 μ m covers material, sheath composition (B composition) is the polyester polymer of the thermal insulation particulate that can keep fiber colour rendering that contains specified quantitative, the average grain diameter of described thermal insulation particulate is the average grain diameter that 0.1 μ m is following and be less than described sunshine and cover material, and the quality ratio of core composition and sheath composition is 10:90～30:70.
[core composition (A composition)]
For form core-sheath-type composite fibre of the present invention core composition (A composition), contain the thermoplastic polymer (below sometimes referred to as A composition polymer) that sunshine covers material and describe.The A composition polymer thermoplastic polymer of material (contain sunshine cover) can use polyamide, polyester, polypropylene etc.Wherein, cover the viewpoint that material and price and versatility are high, the polyester such as preferred polyamide or polyethylene terephthalate based on sunshine can highly be filled.
In addition, cover material (preferably infrared ray covers material) as so-called sunshine in the present invention, must use can not make to be easy to ultrared wavelength (800～3000nm, the especially 800～1200nm) reflection of energy transform into heat energy or transmission and can the high particulate being filled in thermoplastic polymer.Can enumerate such as titanium oxide, zinc oxide, barium sulfate etc. and their mixture.Particularly preferably use and the high titanium oxide of versatility as delustering agent.
In addition, the present invention is that sunshine below 0.5 μ m covers material by the average grain diameter contain 8 % by weight in A composition polymer more than and below 70 % by weight, and reflection is efficiently easy to be converted into the IR wavelength of heat energy, brings into play thus effect of heat insulation.When the content that covers material when sunshine is less than 8 % by weight, reflected infrared ray wavelength efficiently, cannot obtain sufficient effect of heat insulation.On the contrary, exceed 70 % by weight if sunshine covers the content of material, not only reeling off raw silk from cocoons property when spinning can extremely worsen, and colour rendering when dyeing also can reduce.More than being preferably 10 % by weight, more preferably exceed 20 % by weight.On the other hand, based on making the good viewpoint of spinnability, the content that sunshine covers material is preferably below 60 % by weight, more preferably below 50 % by weight.
In addition, be greater than 0.5 μ m if sunshine covers the average grain diameter of material, not only throwing can reduce, and reflected infrared ray wavelength efficiently, cannot obtain sufficient effect of heat insulation.The average grain diameter that sunshine covers material is preferably below 0.4 μ m, more preferably below 0.3 μ m.In addition, sunshine covers material and needs only energy reflected infrared ray wavelength, and not circumscribed of its average grain diameter, more than being preferably 0.05 μ m, can more preferably exceed 0.1 μ m.
It should be noted that, because the near infrared wavelength from fiber surface incident can pass through because refractive index is different fibrillar center, 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 efficiently near infrared ray, obtain the effect of heat insulation of height.In addition, the concentration of covering material when the sunshine in core composition during higher than thermal insulation particle concentration in sheath composition, can not only keep colour rendering, also can keep throwing.
[sheath composition (B composition)]
Then, describe for the sheath composition polyester polymers (B composition), that contain thermal insulation particulate (below sometimes referred to as B composition polymer) that forms core-sheath-type composite fibre of the present invention.
At B composition polymer, contain in the polyester polymers of thermal insulation particulate that can keep colour rendering, preferably use the polyesters such as polyethylene terephthalate, polybutylene terephthalate (PBT); Or using above-mentioned polyester as main body framework, and with M-phthalic acid, there is the aliphatic dibasic acids such as aromatic acid, adipic acid, decanedioic acid such as the M-phthalic acid of metal sulfamate ester group, the copolyester class that the 3rd such compositions such as polyalcohol such as diethylene glycol, butanediol, hexylene glycol, cyclohexanedimethanol, bisphenol-A, poly alkylene glycol, pentaerythrite have carried out modification.
In addition, the thermal insulation particulate containing in so-called B composition 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 below 0.1 μ m, is preferably below 0.08 μ m and more than 0.03 μ m.
In addition, the thermal insulation particulates such as the silica that the present invention contains above and 10 % by weight following (being preferably less than 10 % by weight) of 0.5 % by weight by B composition, can not only keep the existing dyeability of polyester, and can bring into play effect of heat insulation.In the time that thermal insulation particulate is less than 0.5 % by weight, not only throwing can reduce, and cannot obtain the effect of heat insulation bringing because of thermal insulation particulate.On the contrary, if the content of thermal insulation particulate exceedes 10 % by weight, reeling off raw silk from cocoons property when spinning can worsen terrifically.Even if or can spinning but can produce the problem that fracture of wire occurs in stretching process, cannot obtain sometimes in addition after stretching still gratifying quality.More than being preferably 0.5 % by weight and below 8 % by weight, more preferably more than l % by weight and below 7 % by weight.
[core-sheath-type composite fibre]
Core-sheath-type composite fibre of the present invention can be according to manufacture method manufacture described later, and the standard aqueous rate of core-sheath-type composite fibre entirety of the present invention is preferably more than 0.4%.In the time that the standard aqueous rate of this composite fibre is less than 0.3%, follow the evaporation latent heat of evaporation of contained humidity little, therefore cannot obtain sometimes sufficient effect of heat insulation.
As shown in Figure l, in the present invention, by the focus point G from fiber cross section to the air line distance in the solstics of fiber peripheral part is made as R, when the air line distance in the solstics to core composition from focus point G is made as to r, preferably R/r >=2, more preferably R/r >=3.In the time of R/r<1.8, cover sometimes the impact of material (for example titanium oxide) because of the sunshine containing in core composition, cause the colour rendering variation of this composite fibre and not preferred.
In addition,, in core-sheath-type composite fibre of the present invention, the quality ratio of A composition and B composition is 10:90～30:70, is preferably 10:90～25:75, more preferably 10:90～20:80.In the time that the quality ratio of A composition 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 composition polymer is 30% when above, the colour rendering variation of this composite fibre and not preferred.
In above-mentioned composite fibre, and be not particularly limited the thickness of fiber, can become thickness arbitrarily, but in order to obtain the good fiber of colour rendering, preferably make in advance the filament fiber number of composite fibre become 0.3～11dtex left and right.In addition, be not only long fiber, even staple fibre also can be expected effect of the present invention.
The infrared reflection rate of core-sheath-type composite fibre of the present invention is high, and the ultrared average reflectance that is for example 800～1200nm to wavelength can be more than 70%, is preferably more than 70.5%, more preferably more than 71%.
Core-sheath-type composite fibre of the present invention can suppress the color exception because of the color due to whitening, and for example L* value can be below 16.5, is preferably below 16.
The color fastness to washing that pollution, liquid contamination are faded, add in the change of the composite fibre making in the present invention is preferably more than 4 grades.When wherein one of any be below 3 grades time, from the viewpoint of operability, not preferably as conventional dress material purposes.
The light fastness of the composite fibre making in the present invention in addition, is preferably more than 4 grades.When color fastness to light is below 3 grades time, from the viewpoint of operability, not preferably as conventional dress material purposes.
Core-sheath-type composite fibre of the present invention is in the abundant intensity also having aspect fracture strength in practicality, the fracture strength that the loading-extension curve obtaining by using Instron (Instron) type cupping machine is tried to achieve is for example 1.5～10cN/dtex left and right, be preferably 1.8～8CN/dtex left and right, more preferably can be 2～6cN/dtex left and right.
Core-sheath-type composite fibre of the present invention also has sufficient percentage elongation in practicality aspect elongation at break, the elongation at break that the loading-extension curve obtaining by using Instron type cupping machine is tried to achieve is for example 10～80% left and right, be preferably 20～70% left and right, more preferably 30～60% left and right.
Describe for the manufacture method of composite fibre of the present invention below.
First with different extruders, A composition polymer and B composition polymer melting are extruded respectively, and be directed into spinneret separately, via the spinning metallic nozzle that forms each target compound shape, its melt spinning is manufactured.In addition,, in order to ensure the desired quality of end article and good operation trafficability characteristic, can select optimal spinning and drawing process.More specifically, no matter be the 2 step modes that stretch with other operation after carrying out the spinning stretching mode of spinning-stretching with 1 step or taking spinning precursor, and do not stretch and directly extract non-stretching silk and taking speed as 2000m/ minute more than the speed mode of batching in, by carrying out goods after silk manufacturing procedure arbitrarily, can obtain thus this composite fiber product with good effect of heat insulation and colour rendering.
In the spinning process of manufacture method of the present invention, use common melt spinning device, spun by metallic nozzle.In addition can set arbitrarily according to the shape of metallic nozzle and size, cross sectional shape and the diameter of the fiber making.
The composite fibre making in the present invention can be used as various fiber assemblies (fibrous structure thing) and uses.So-called fiber assembly herein, certainly comprise the braided fabric, the nonwoven fabric that are only made by fiber of the present invention, also can be braided fabric or the nonwoven fabric that part is used fiber of the present invention to make, for example, with the interwoven of other fibers such as natural fabric, chemical fibre, synthetic fiber, or the braided fabric, the mixed continuous nonwoven fabric etc. that use as blended ratio, combined yarn, fiber of the present invention shared ratio in braided fabric or nonwoven fabric is more than 10 % by weight, more than being preferably 30 % by weight.
The main application of fiber of the present invention, can be used alone long fiber or part are made braided fabric etc. with long fiber, make the dress material raw material that represents excellent handle.On the other hand, with regard to staple fibre, there are artificial cotton for dress material, dry type nonwoven fabric and Wet-laid non-woven fabric etc., are not only for dress material, also applicable to non-dress material purposes such as various life materials, industry materials.
The present invention is described in detail in detail by the following examples, but the present invention is not subject to any restriction of these embodiment.It should be noted that, the measured value in embodiment is measured in accordance with the following methods.
< thermal insulation is evaluated >
(△ T mensuration)
About △ T, by after fiber footpath adjustment evenly, using this composite fibre making is 200g/m to weight per unit area
2cylindrical fabric refining after, irradiate reflector lamp, after 15 minutes, measure the temperature under sample.Temperature is to measure with the attaching type sensor TNA-8A of Tasco Japan Co., Ltd., evaluates according to following enforcement: to contain 0.05 % by weight TiO with respect 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 even the adjustment of fiber footpath, use after the cylindrical fabric refining that this composite fibre of making is 200g/ ㎡ to weight per unit area, measure with determinator shown below.
Spectral reflectance analyzer: spectrophotometer HITACHI
C-2000S Color Analyzer
< colouring method >
Dyestuff: Diacryl Black BSL-F7%omf
Dispersing aid: Disper TL (Ming Cheng chemical industry Co., Ltd. system) lg/l
PH conditioning agent: ULTRA MT grade lg/l
Bath raio: 1:50 temperature: 130 DEG C × 40 minutes
Reduction cleaning
Sulfohydrate lg/l
AMILADIN (the first industrial pharmacy) lg/l
NaOH lg/l
Bath raio: 1:30 temperature: 80 DEG C × 120 minutes
< colour rendering >
(L* value)
Its value for using Hitachi's 307 type color analysis devices (Hitachi: automatic recording spectrophotometer) to measure the product dyed thereby making.
< color fastness to washing >
Assay method according to JIS L-0844 is measured.
< color fastness to light >
Assay method according to JIS L-0842 is measured.
< fiber number >
Assay method according to JIS L-1013 is measured.
< fracture strength >
By obtaining by loading-extension curve that Instron type cupping machine obtains.
< elongation at break >
By obtaining by loading-extension curve that Instron type cupping machine obtains.
< spinnability >
Carry out spinnability evaluation according to following benchmark.
◎: through carrying out the continuous spinning of 24 hours, any fracture of wire does not occur when spinning, and do not produce fine hair, looped pile etc. completely in this composite fibre making, spinnability is very good
Zero: through carrying out the continuous spinning of 24 hours, the frequency that fracture of wire occurs when spinning is below 1 time, in this composite fibre making, does not produce fine hair, looped pile completely, though or to produce a little spinnability substantially good
△: through carrying out the continuous spinning of 24 hours, fracture of wire as many as occurs 3 times when spinning, spinnability is bad
×: through carrying out the continuous spinning of 24 hours, fracture of wire occurs more than 3 times when spinning, spinnability is very bad
(embodiment 1)
The average grain diameter that contains 70 % by weight in core composition is that the compound ratio (quality ratio) of the polyethylene terephthalate (B composition polymer) of the silica that contains 1.0 % by weight in polyamide (A composition polymer) and the sheath composition of the titanium oxide of 0.4 μ m is under the condition of 10:90, using hole count is the nozzle of 24 (aperture 0.25mm φ), with 260 DEG C of spinning temperatures, single hole spray volume=1.42g/ minute spins, by 25 DEG C of temperature, the cooling air of humidity 60% is jetted to spinning strand with the speed of 0.4m/ second, make strand become 60 DEG C following after, importing is arranged on the long 1.0m of the position of spinning-nozzle below 1.2m, entrance guide rod footpath 8mm, outlet guide rod footpath 10mm, internal diameter 30mm φ tubular heater (185 DEG C of interior temperature), after tubular heater in-draw, with atomizer to the strand oil supply of being sent by tubular heater, extracting roller by 2 batches with the speed of 4000m/ minute, make this composite fibre silk (intensity 2.53cN/dtex of 84T/24f, percentage elongation 40.2%).Come, after cylindrical fabric that refining weight per unit area is 200g/ ㎡, to implement various mensuration with this composite fibre making.The focus point G of composite fibre cross section is since then made as to R to the air line distance in the solstics of fiber peripheral part, when the air line distance in the solstics to core composition from focus point G is made as to r, R/r=3.2, by L* value now, reflectivity, △ T (DEG C) and spinnability be shown in table 1.The L* value of this composite fibre making taking manufacture method of the present invention is 15.56, shows the colour rendering with existing polyester fiber same degree.In addition show, the high effect of heat insulation of T=-3.6 DEG C of △.In addition, color fastness to washing and color fastness to light are more than 4 grades.
(embodiment 2～11)
The interpolation particle and the content that change polymer, A composition and the B composition of A composition and B composition, carry out spinning with the method identical with embodiment 1, makes this composite fibre silk of 84T/24f.The physical property of the fiber making is shown in to 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 containing, can keep, under the state of colour rendering, obtaining high effect of heat insulation in sheath composition.In addition, the color fastness to washing of arbitrary fiber and color fastness to light are more than 4 grades.
(embodiment 12～13)
The core sheath ratio that changes this composite fibre, carries out spinning with the method identical with embodiment 1, makes this composite fibre silk of 84T/24f.All showing good 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)
The interpolation particle and the content that change polymer, A composition and the B composition of A composition and B composition, carry out spinning with the method identical with embodiment 1, makes this composite fibre silk of 84T/24f.The physical property of the fiber making is shown in to table 1.
In comparative example 1, the titanium oxide containing 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 when spinning extremely worsens, and cannot carry out spinning.
In comparative example 3, the silica containing 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 spinning-stretching.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 when 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 containing in core composition is not that sunshine of the present invention covers material, therefore effect of heat insulation is poor.
In comparative example 8, because the particle diameter of the titanium oxide containing in core composition is more than 0.5 μ m, therefore cannot obtain effect of heat insulation.
industrial applicibility
The composite fibre making according to the present invention, for example, at the ultrared wavelength (800～3000nm that is easy to be converted into heat energy, particularly 800～1200nm) under there is high reflectance, and have and the colour rendering of existing polyester same degree, be therefore suitable for whole dress materials.
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 and infer various changes and correction at clear and definite range content.Therefore, this kind changes and revises in the scope of invention that is interpreted as being determined by claim.
Claims (9)
1. a core-sheath-type composite fibre, wherein, the quality ratio of core composition and sheath composition is 10:90～30:70,
Described core composition is thermoplastic polymer, and the average grain diameter more than it contains 8 % by weight and below 70 % by weight is that the sunshine below 0.5 μ m covers material,
Described sheath composition is polyester polymer, and it contains the above and thermal insulation particulate that can keep colour rendering below 10 % by weight of 0.5 % by weight, and the average grain diameter of described thermal insulation particulate is the average grain diameter that 0.1 μ m is following and be less than described sunshine and cover material.
2. core-sheath-type composite fibre according to claim 1, wherein, core composition contains and exceedes 20 % by weight and the sunshine below 70 % by weight covers material.
3. core-sheath-type composite fibre according to claim 1 and 2, wherein, the standard aqueous rate of fabric integer is more than 0.4%.
4. according to the core-sheath-type composite fibre described in any one in claim 1～3, wherein, it is at least one being selected from titanium oxide, zinc oxide and barium sulfate that sunshine covers material.
5. according to the core-sheath-type composite fibre described in any one in claim 1～4, wherein, thermal insulation particulate is at least one being selected from silica and barium sulfate.
6. according to the core-sheath-type composite fibre described in any one in claim 1～5, wherein, the average grain diameter that sunshine covers material exceedes 0.1 μ m.
7. according to the core-sheath-type composite fibre described in any one in claim 1～6, wherein, by the focus point G from fiber cross section to the air line distance in the solstics of fiber peripheral part is made as R, when the air line distance in the solstics to core composition from focus point G is made as to r, R/r >=1.8.
8. according to the core-sheath-type composite fibre described in any one in claim 1～7, its ultrared average reflectance to wavelength 800～1200nm is more than 70%.
9. according to the core-sheath-type composite fibre described in any one in claim 1～8, its L* value is below 16.5.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104066875A true CN104066875A (en) | 2014-09-24 |
| CN104066875B CN104066875B (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
Country Status (6)
| Country | Link |
|---|---|
| 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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| 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 |
| WO2019091447A1 (en) * | 2017-11-10 | 2019-05-16 | 东丽纤维研究所（中国）有限公司 | High-transparency-resistance 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| 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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Also Published As
| 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 |
| WO2013111661A1 (en) | 2013-08-01 |
| CN104066875B (en) | 2015-12-30 |
| EP2808428A1 (en) | 2014-12-03 |
| EP2808428A4 (en) | 2015-09-23 |
| TWI580831B (en) | 2017-05-01 |
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