CN100381621C - Method of in situ encapsulation preparing phase-change energy-storage fibre - Google Patents
Method of in situ encapsulation preparing phase-change energy-storage fibre Download PDFInfo
- Publication number
- CN100381621C CN100381621C CNB2006100216054A CN200610021605A CN100381621C CN 100381621 C CN100381621 C CN 100381621C CN B2006100216054 A CNB2006100216054 A CN B2006100216054A CN 200610021605 A CN200610021605 A CN 200610021605A CN 100381621 C CN100381621 C CN 100381621C
- Authority
- CN
- China
- Prior art keywords
- phase
- fiber
- solution
- spinning
- change
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The invention relates to a method for producing phase-variable energy storage fiber via capsule, which is characterized in that: mixing the phase-variable material, encystation monomer and initiator into phase-uniform solution; dispersing the solution into polymer spinning original solution; the original solution via spinning obtains original fiber to be physically and chemically processed to make the encystation monomer pack the phase-variable in the fiber substrate to form micro capsule, to be processed to obtain the phase-variable energy storage fiber. The size of fiber is 1-30dtex, the strength of it is 1-10cN/dtex, the phase-variable temperature is 10-120Deg. C and the phase-variable enthalpy is 5-100J/g.
Description
Technical field
The present invention relates to a kind of method of original position encapsulation preparing phase-change energy-storage fibre, belong to the preparation field of intelligent fiber.
Background context
The method of multiple phase-change temperature control material and fiber composite is known by people, and fiber is by having temp regulating function with phase-change material compound.The phase-change energy-storage fibre that the phase transition temperature of change energy storage material obtains having different temperature control scopes.
Phase change material directly is mixed into carries out spinning in polymer melt or the spinning solution, obtain having the composite phase change fiber of skin-core structure.Among the United States Patent:5885475 paraffin hydro carbons phase-change material is mixed certain SiO 2 powder, carry out melt spinning, obtain the temperature-regulating fiber of phase transition temperature between 15 ℃-65 ℃ with polyolefin.But the spinnability variation of polymer behind the adding phase-change material, phase-change material is stability decreases in polymer melt, phase-change material in fiber core phase-change material in processes such as dyeing and finishing, back arrangement is easily overflowed, and phase-change material belongs to solid-liquid phase change, and is bigger to the fibre strength influence.
Utilize the hole in the doughnut, phase-change material is immersed, obtain the phase-change temperature control fiber.Among UnitedStates Patent:4908238 and the United States Patent:4871615 doughnut being filled phase-change material has a detailed description.Doughnut is immersed in the solution or melt of polyethylene glycol or plastic crystal material, makes the polyethylene glycol plastic crystal enter fibrous inside, obtain having the fiber of phase-change characteristic-40～60 ℃ of temperature ranges.The temperature-regulating fiber diameter that the doughnut filling makes is bigger, and phase change material residues in fiber surface, and phase change material is easy to ooze out and wash out, and uses significant limitation in addition as taking fiber.
Adopt the method for coating or back arrangement that phase-change material is mixed other auxiliary agent obtains to have temperature adjustment function attached to textile surface textiles.The thermal control paint that Tianjin University of Technology adopts vulcabond, ethylene glycol and polyethylene glycol polymeric to obtain having waterproof and moisture permeability is coated in textile surface acquisition temperature adjustment function, with polyethylene glycol and N, N-dimethoxy-N, N-dihydroxy ethylidene-urea finishing agent mix cellulosic fabrics such as arrangement linen-cotton.Under the acidic catalyst effect, through padding-bake the lining that technology obtains having certain temperature adjustment function.
Phase change material is coated on gives phase change material application prospect widely in the microcapsules.Capsule wall offers stable enclosed environment of phase-change material, can strengthen the stability of phase-change material, can make solid-liquid phase change change the solid-solid phase-change that is as the criterion simultaneously, makes compound the becoming of phase-change material and fiber textile be easy to more carry out.Phase-change material also has better heat conductivity because of being dispersed into granule.Diameter is dispersed in polymer melt or the polymer spun silk stock solution at the phase-change material micro-capsule below 5 microns, obtains the phase-changing and temperature-regulating fiber through spinning.The Outlast temperature-regulating fiber of the U.S. is exactly the typical case representative of this method, and the Outlast fiber is that the paraffin hydrocarbon that will have suitable phase transition temperature is coated on and carries out melt spinning in the microcapsules or solvent spinning makes, and its fiber has certain phase-changing and temperature-regulating ability.But because employing with the phase-change material and the polyblend spinning technique of microencapsulation, therefore also has certain shortcoming at aspects such as capsule addition and spinnabilitys.
Summary of the invention
The objective of the invention is to provide a kind of method of original position encapsulation preparing phase-change energy-storage fibre, be characterized in that spinning solution comprises solvent, fibre-forming polymer, phase-change material, encystation monomer and initator at the deficiencies in the prior art.The mixed liquor of encystation monomer, initator and phase-change material is dispersed in the fibre-forming polymer spinning solution with the form of droplet, this spinning solution is spun into fiber through wet spinning, as-spun fibre is handled under physicochemical environment, makes the encystation monomer polymerization in the droplet that is dispersed in the fiber be wrapped to form capsule to the phase-change material original position.Fiber obtains phase-change energy-storage fibre through post processing.
Purpose of the present invention is realized by following technical measures: wherein said raw material umber is parts by weight except that specified otherwise.
1. the preparation of phase-change accumulation energy spinning solution
(1): the preparation of solution A
With 20～100 parts of heating and meltings of phase-change material, add 5～50 parts of encystation monomers, add 0～1 part of initator.The formation solution A that stirs,
(2): the preparation of solution B
100 parts of fibre-forming polymers are dissolved in 200～900 parts of solvents, stir solution B,
(3): the mixing of solution A and solution B
The droplet form that solution A is stirred with particle diameter 0.1～100 μ m is dispersed in the solution B, forms spinning solution;
2. the spinning of phase-change accumulation energy spinning solution
Utilize the wet spinning spinning head of aperture 0.07～0.20mm, with after spinning solution pressure filtration, the deaeration under 10～100 ℃ of temperature through measuring pump, filter, from the spinning head ejection, dynamic analysis of spinning is coagulation forming in coagulating bath.
Coagulating bath is not dissolved or micro dissolution phase-change material, encystation monomer and initator.Coagulating bath does not react with phase-change material, encystation monomer, initator.30～60 ℃ saturated aqueous sodium sulfate is selected in the coagulating bath of polyvinyl alcohol for use, and the sodium thiocyanate water solution of-5～30 ℃ of concentration 5%～50% is selected in the coagulating bath of polyacrylonitrile for use.
In the as-spun fibre original position of decentralized photo from encystation
As-spun fibre is statically placed in the polymerizing condition of encystation monomer and handles down, treatment temperature is higher than the boiling point that the phase-change material fusing point is lower than the encystation monomer, and the polymer that obtains behind the monomer polymerization deposits between phase-change material and fibrous matrix polymer interface phase-change material parcel original position is formed microcapsules;
With ethyl orthosilicate, MTES, hydroxy silicon oil are that the fiber of encystation monomer was handled 0.1～48 hour in the fiber protection of pH=1～6.5 of 10～90 ℃ of temperature or pH=7.5～13 is bathed; With (methyl) methyl acrylate, (methyl) ethyl acrylate, (methyl) butyl acrylate, divinylbenzene and styrene be the fiber of encystation monomer under nitrogen atmosphere, in the fiber protection of 30～120 ℃ of temperature is bathed, handled 0.1～10 hour;
The fiber protection of polyvinyl alcohol is bathed and is selected 8%～40% aqueous sodium persulfate solution for use, and the fiber protection of polyacrylonitrile is bathed and selected 0～8% sodium thiocyanate water solution for use;
4. the post processing of as-spun fibre.
A. the post processing of polyvinyl alcohol based fibre:
The hot-stretch typing: 150～280 ℃ of heat setting temperatures, 2～10 times of hot-stretchs, heat-setting time 2～10 minutes,
Acetalation is handled: adopts formaldehyde, acetaldehyde, butanedial or glutaraldehyde to carry out acetal and handles, and 50～90 ℃ of hydroformylation temperature, concentration 20～80g/L, 0.1～2 hour time,
Washing: water is clean with sulfate, aldehyde, the pickling of fiber surface,
Dry: through the multistage moisture of removing on the fiber that bakes;
B. the post processing of pan based fibers
Washing: water is removed sodium sulfocyanate remaining in the fiber, makes the sodium sulfocyanate residual volume be lower than 0.1wt%,
Damp and hot stretching: fiber stretches in 90～100 ℃ hot water 2～10 times,
Dry: by the multistage moisture of removing in the fiber that bakes,
HEAT SETTING: fiber was finalized the design under 90～200 ℃ hot-airs or vapours 1～10 minute under lax or nervous condition;
Obtain finished fiber after post processing, the fiber number of fiber is 1～30dtex, and intensity is 1～10cN/dtex, and the phase transition temperature of fiber is 10～120 ℃, and enthalpy of phase change is 5～100J/g.
Phase-change material is a phase transition temperature at 10～120 ℃ paraffin, the higher fatty acids of C10～C20, any in the high-grade aliphatic ester of C10～C20.
The encystation monomer is an ethyl orthosilicate, at least a in MTES, hydroxy silicon oil, (methyl) methyl acrylate, (methyl) ethyl acrylate, (methyl) butyl acrylate, divinylbenzene and the styrene.
Initator is azo-compound or peralcohol.
Fibre-forming polymer is polyvinyl alcohol or polyacrylonitrile.
Solvent is water or sodium thiocyanate water solution.
The present invention has advantage specific as follows:
1. the present invention is applied to solvent spinning with the phase-change accumulation energy spinning solution and has better spinnability.Because capsule is becoming fine back to form, it is liquid that phase-change material becomes in spinning process, and the plug-hole phenomenon seldom appears in spinning.
2. phase-change energy-storage fibre has higher heat content, because phase-change material adds with liquid form, the addition of phase-change material is bigger.
3. phase-change energy-storage fibre has higher intensity, because the phase transformation capsule forms in position, capsule combines closely with fibrous matrix, has chemical bond to connect.
4. the phase-change energy-storage fibre that obtains of phase-change energy-storage fibre and traditional microcapsules co-blended spinning method has good stability equally, and phase-change material is difficult for running off.
5. save the preparation process of addition type microcapsules in the fiber production process, help suitability for industrialized production.
6. the fiber that makes of the present invention has good temp regulating function; coat object temperature control material within the specific limits by the melting range production of regulating phase-change material, be applied to protective material and the fiber of taking under the requirement of production distinct temperature with adjustment effect.
The specific embodiment
Below by example the present invention is specifically described; be necessary to be pointed out that at this following examples only are used for the present invention is further specified; can not be interpreted as limiting the scope of the invention, the person skilled in the art in this field can make some nonessential improvement and adjustment to the present invention according to the foregoing invention content.
Embodiment 1
Preparation spinning solution: get and be melt into homogeneous phase solution A after the paraffin of 30 ℃ of 10g phase transition temperatures and 10g ethyl orthosilicate mix, the polyvinyl alcohol of getting the 40g degree of polymerization 2200 alcoholysis degrees 99% is dissolved in the 182g water and obtains solution B, solution A under agitation is dispersed in the drop of particle diameter 0.5～50 μ m obtains the phase-change accumulation energy spinning solution in the solution B.Keep 90～97 ℃ of former liquid temps.
The spinning of spinning solution: with above-mentioned obtain spinning solution filter, deaeration is after the ejection of the spinneret orifice in 0.1mm aperture adopts 40～60 ℃ of saturated sodium sulphate coagulating bath wet spinnings to obtain as-spun fibre.
The original position of phase-change material is encapsulated in the as-spun fibre: the as-spun fibre of above-mentioned gained is statically placed under tense situation in the fiber protection bath of 70 ℃ of temperature, and fiber protection bath is 15% aqueous sodium persulfate solution, and regulates pH=2～5 with hydrochloric acid.After 48 hours the fiber taking-up is dried.
The post processing of fiber: the fiber to above-mentioned original position after encapsulated 220 ℃ of stretch down 3～5 times, HEAT SETTING 2～5min.Obtain the phase-change energy-storage fibre of finished product PVA base after hydroformylation, the washing.
The finished fiber fiber number that obtains is 2～5dtex, and intensity is 1.5～4cN/dtex, enthalpy of phase change 15J/g.Phase transition temperature: heat up 31～33 ℃, lower the temperature 27～29 ℃.
Embodiment 2
Preparation spinning solution: get and be melt into homogeneous phase solution A after the paraffin of 35 ℃ of 22g phase transition temperatures and 15g ethyl orthosilicate mix, get in the sodium thiocyanate water solution that the 40g acrylonitrile is dissolved in 227g52% and obtain solution B, solution A under agitation is dispersed in the drop of particle diameter 0.5～100 μ m obtains the phase-change accumulation energy spinning solution in the solution B.Keep 20～40 ℃ of former liquid temps.
The spinning of spinning solution: with above-mentioned obtain spinning solution filter, deaeration is after the ejection of the spinneret orifice in 0.2mm aperture adopts 0～5 ℃ 9% sodium thiocyanate water solution to obtain as-spun fibre as the coagulating bath wet spinning.
The original position of phase-change material is encapsulated in the as-spun fibre: the as-spun fibre of above-mentioned gained is statically placed under tense situation in the fiber protection bath of 70 ℃ of temperature, and protection is bathed and is water, and regulates pH=2～5 with hydrochloric acid.After 48 hours the fiber taking-up is dried.
The post processing of fiber: fiber 4～6 times of the damp and hot stretchings in 95 ℃ water to above-mentioned original position after encapsulated, hot-air typing 2～5min.Obtain the phase-change energy-storage fibre of finished product polypropylene itrile group after the washing.
The finished fiber fiber number of gained is 2～6dtex, and intensity is 0.5～2cN/dtex, enthalpy of phase change 35J/g, phase transition temperature: heat up 35～37 ℃, lower the temperature 33～35 ℃.
Embodiment 3
The preparation spinning solution: paraffin, 12g methyl methacrylate, 1.5g divinylbenzene, the 0.04g benzoyl peroxide of getting the 40g phase transition temperature and be 30 ℃ are mixed into homogeneous phase solution A; the polyvinyl alcohol of getting the 40g degree of polymerization 1700 alcoholysis degrees 99% is dissolved in the 293g water and obtains solution B, solution A under agitation is dispersed in the drop of particle diameter 0.5～5 μ m obtains the phase-change accumulation energy spinning solution in the solution B.Temperature remains on below 40 degrees centigrade in the mixing.
The spinning of spinning solution: with above-mentioned obtain spinning solution filter, deaeration is after the ejection of the spinneret orifice in 0.1mm aperture adopts 40～60 ℃ of saturated sodium sulphate coagulating bath wet spinnings to obtain as-spun fibre.
The original position of phase-change material is encapsulated in the as-spun fibre: the as-spun fibre of above-mentioned gained is statically placed under tense situation during 90 degrees centigrade fiber protection bathes, and it is 30% aqueous sodium persulfate solution that protection is bathed.After 5 hours fiber is taken out.
The post processing of fiber: the fiber to above-mentioned original position after encapsulated stretches, obtain the phase-change energy-storage fibre of finished product PVA base after the HEAT SETTING, hydroformylation, washing.
The finished fiber fiber number that obtains between 1～3dtex, intensity between 0.5～2.5cN/dtex, enthalpy of phase change 12J/g, phase transition temperature: heat up 35～37 degrees centigrade, lower the temperature 33～35 degrees centigrade.
Embodiment 4
Preparation spinning solution: get 20g laurate, 3g styrene, 0.01g benzoyl peroxide and be mixed into homogeneous phase solution A; the polyvinyl alcohol of getting the 40g degree of polymerization 1700 alcoholysis degrees 99% is dissolved in the 176g water and obtains solution B, solution A under agitation is dispersed in the drop of particle diameter 0.5～50 μ m obtains the phase-change accumulation energy spinning solution in the solution B.Temperature remains on below 60 degrees centigrade in the mixing.
The spinning of spinning solution: with above-mentioned obtain spinning solution filter, deaeration is after the ejection of the spinneret orifice in 0.1mm aperture adopts 40～60 ℃ of saturated sodium sulphate coagulating bath wet spinnings to obtain as-spun fibre.
The original position of phase-change material is encapsulated in the as-spun fibre: the as-spun fibre of above-mentioned gained is statically placed under tense situation during fiber protection under 90 degrees centigrade bathes, and it is 30% aqueous sodium persulfate solution that protection is bathed.After 5 hours fiber is taken out.
The post processing of fiber: the fiber to above-mentioned original position after encapsulated stretches, obtain the phase-change energy-storage fibre of finished product PVA base after the HEAT SETTING, hydroformylation, washing.
The finished fiber fiber number that obtains between 1～3dtex, intensity between 0.5～2.5cN/dtex, enthalpy of phase change 53J/g, phase transition temperature: heat up 44～46 degrees centigrade, lower the temperature 41～43 degrees centigrade.
Claims (6)
1. the method for an original position encapsulation preparing phase-change energy-storage fibre is characterized in that this method may further comprise the steps:
(1) preparation of phase-change accumulation energy spinning solution
A. the preparation of solution A
With phase-change material 20～100 weight portion heating and meltings, add 5～50 weight portion encystation monomers, add initator 0～1 weight portion, the formation solution A that stirs,
B. the preparation of solution B
Fibre-forming polymer 100 weight portions are dissolved in 200～900 parts by weight solvent, stir, form solution B,
C. the mixing of solution A and solution B
The droplet form that solution A is stirred with particle diameter 0.1～100 μ m is dispersed in the solution B, forms spinning solution,
(2) spinning of phase-change accumulation energy spinning solution
Utilize the wet spinning spinning head of aperture 0.07～0.20mm, with after spinning solution pressure filtration, the deaeration under 10～100 ℃ of temperature through measuring pump, filter, from the spinning head ejection, dynamic analysis of spinning is coagulation forming in the coagulating bath of strong coagulation ability,
30～60 ℃ saturated aqueous sodium sulfate is selected in the coagulating bath of polyvinyl alcohol for use, and the sodium thiocyanate water solution of-5～30 ℃ of concentration 5～50wt% is selected in the coagulating bath of polyacrylonitrile for use;
(3) in the as-spun fibre original position of decentralized photo from encystation
The polymerizing condition that as-spun fibre is statically placed in the encystation monomer is handled down, treatment temperature is higher than the boiling point that the phase-change material fusing point is lower than the encystation monomer, and the polymer that obtains behind the monomer polymerization deposits between phase-change material and fibrous matrix polymer interface phase-change material parcel original position is formed microcapsules;
With ethyl orthosilicate, MTES, hydroxy silicon oil are that the fiber of encystation monomer was handled 0.1～48 hour in the fiber protection of pH=1～6.5 of 10～90 ℃ of temperature or pH=7.5～13 is bathed: with (methyl) methyl acrylate, (methyl) ethyl acrylate, (methyl) butyl acrylate, divinylbenzene and styrene be the fiber of encystation monomer under nitrogen atmosphere, in the fiber protection of 30～120 ℃ of temperature is bathed, handled 0.1～10 hour;
The aqueous sodium persulfate solution of selecting 8～40wt% for use is bathed in the fiber protection of polyvinyl alcohol, and the sodium thiocyanate water solution of selecting 0～8wt% for use is bathed in the fiber protection of polyacrylonitrile;
(4) post processing of as-spun fibre
A. the post processing of polyvinyl alcohol based fibre:
The hot-stretch typing: 150～280 ℃ of heat setting temperatures, 2～10 times of hot-stretchs, heat-setting time 2～10 minutes,
Acetalation is handled: adopts formaldehyde, acetaldehyde, butanedial or glutaraldehyde to carry out acetal and handles, and 50～90 ℃ of hydroformylation temperature, concentration 20～80g/L, 0.1～2 hour time,
Washing: water is clean with sulfate, aldehyde, the pickling of fiber surface,
Dry: through the multistage moisture of removing on the fiber that bakes;
B. the post processing of pan based fibers
Washing: water is removed sodium sulfocyanate remaining in the fiber, makes the sodium sulfocyanate residual volume be lower than 0.1wt%,
Damp and hot stretching: fiber stretches in 90～100 ℃ hot water 2～10 times,
Dry: by the multistage moisture of removing in the fiber that bakes,
HEAT SETTING: fiber was finalized the design under 90～200 ℃ hot-airs or vapours 1～10 minute under lax or nervous condition;
Obtain finished fiber after post processing, the fiber number of fiber is 1～30dtex, and intensity is 1～10cN/dtex, and the phase transition temperature of fiber is 10～120 ℃, and enthalpy of phase change is 5～100J/g.
2. the method for original position encapsulation preparing phase-change energy-storage fibre according to claim 1 is characterized in that phase-change material is a phase transition temperature at 10～120 ℃ paraffin, the higher fatty acids of C10～C20, any in the high-grade aliphatic ester of C10～C20.
3. the method for original position encapsulation preparing phase-change energy-storage fibre according to claim 1, it is characterized in that the encystation monomer is an ethyl orthosilicate, at least a in MTES, hydroxy silicon oil, (methyl) methyl acrylate, (methyl) ethyl acrylate, (methyl) butyl acrylate, divinylbenzene and the styrene.
4. the method for original position encapsulation preparing phase-change energy-storage fibre according to claim 1 is characterized in that initator is azo-compound or peralcohol.
5. the method for original position encapsulation preparing phase-change energy-storage fibre according to claim 1 is characterized in that fibre-forming polymer is polyvinyl alcohol or polyacrylonitrile.
6. the method for original position encapsulation preparing phase-change energy-storage fibre according to claim 1 is characterized in that solvent is water or sodium thiocyanate water solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100216054A CN100381621C (en) | 2006-08-16 | 2006-08-16 | Method of in situ encapsulation preparing phase-change energy-storage fibre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100216054A CN100381621C (en) | 2006-08-16 | 2006-08-16 | Method of in situ encapsulation preparing phase-change energy-storage fibre |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1908257A CN1908257A (en) | 2007-02-07 |
| CN100381621C true CN100381621C (en) | 2008-04-16 |
Family
ID=37699479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100216054A Expired - Fee Related CN100381621C (en) | 2006-08-16 | 2006-08-16 | Method of in situ encapsulation preparing phase-change energy-storage fibre |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100381621C (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102002771B (en) * | 2010-10-21 | 2012-06-06 | 大连工业大学 | Phase-change microcapsule heat storage and temperature adjustment polyacrylonitrile fiber and wet spinning preparation method thereof |
| CN102733192A (en) * | 2012-04-09 | 2012-10-17 | 福建众和股份有限公司 | Finishing technology of nano-grade phase-change microcapsule heat-accumulation temperature-adjustment intelligent textile fabric printed cloth |
| CN103320887B (en) * | 2013-06-21 | 2016-03-02 | 仲杰 | A kind of production method of functional polyethylene monofilament |
| CN104562268B (en) * | 2015-01-13 | 2016-11-30 | 四川大学 | There is phase-change energy-storage fibre of isolation chamber and preparation method thereof |
| CN104928781B (en) * | 2015-06-03 | 2017-06-30 | 东华大学 | A kind of preparation method of the energy-saving and temperature-regulating fiber with far-infrared functional |
| CN105316789A (en) * | 2015-09-30 | 2016-02-10 | 贵州华益能环保科技有限公司 | Preparation method and application of inorganic composite phase-change energy storage filament |
| CN106048761B (en) * | 2016-05-27 | 2018-02-23 | 浙江凯悦纺织有限公司 | A kind of capsule and the regenerated cellulose phase change fiber of networking and preparation method thereof |
| CN108774758B (en) * | 2018-05-28 | 2021-01-26 | 泽塔纳米科技（苏州）有限公司 | Preparation method of nano-fiber |
| CN109265711B (en) * | 2018-09-03 | 2021-12-03 | 胡权 | Preparation method of polymer particles |
| CN113403704B (en) * | 2021-06-01 | 2022-06-28 | 深圳减字科技有限公司 | Preparation method of temperature-adjusting fiber, temperature-adjusting fiber and fabric |
| CN113913160B (en) * | 2021-11-09 | 2023-08-15 | 青岛尼希米生物科技有限公司 | Double-layer capsule wall energy storage temperature adjustment microcapsule, polyacrylonitrile fiber and preparation method thereof |
| CN114561745B (en) * | 2021-12-13 | 2023-03-17 | 杭州诺邦无纺股份有限公司 | Phase-change non-woven material with temperature adjusting function |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58163724A (en) * | 1982-03-24 | 1983-09-28 | Nok Corp | Hollow fiber filled with latent heat-storing agent |
| CN1103385C (en) * | 2000-04-10 | 2003-03-19 | 天津工业大学 | Autoamtic temp-regulating fibre and its products |
-
2006
- 2006-08-16 CN CNB2006100216054A patent/CN100381621C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58163724A (en) * | 1982-03-24 | 1983-09-28 | Nok Corp | Hollow fiber filled with latent heat-storing agent |
| CN1103385C (en) * | 2000-04-10 | 2003-03-19 | 天津工业大学 | Autoamtic temp-regulating fibre and its products |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1908257A (en) | 2007-02-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100381621C (en) | Method of in situ encapsulation preparing phase-change energy-storage fibre | |
| CN100359055C (en) | Polyacrylonitrile temperature-regulating fiber, and its manufacturing method | |
| US5486418A (en) | Water-soluble heat-press-bonding polyvinyl alcohol binder fiber of a sea-islands structure | |
| KR102240535B1 (en) | Process for the production of acrylic fibers | |
| CN101392412B (en) | High strength vinylon and preparation method thereof | |
| CN100422404C (en) | Anti-wear polyvinyl alcohol aldehyde acetal fiber and its preparing method and use | |
| KR20040019982A (en) | High-absorbent polyvinyl alcohol fibers and nonwoven fabric comprising them | |
| Jiang et al. | Preparation of PVA/paraffin thermal regulating fiber by in situ microencapsulation | |
| KR100943419B1 (en) | A method for preparing polymer fibers comprising a phase change material and use thereof | |
| Mengjin et al. | Preparation of a new thermal regulating fiber based on PVA and paraffin | |
| CN102766917A (en) | Method for preparing cellulose/butyl methacrylate (BMA) graft copolymer oil absorbent fibers | |
| CN110331470A (en) | Band shape polyacrylonitrile carbon fiber and preparation method thereof | |
| CN107096395A (en) | A kind of reinforced type polyvinylidene fluoride hollow fiber miillpore filter and preparation method thereof | |
| CN104562268B (en) | There is phase-change energy-storage fibre of isolation chamber and preparation method thereof | |
| CN102046676A (en) | Acrylonitrile copolymer and method for manufacturing the same, and acrylonitrile copolymer solution and polyacrylonitrile precursor fiber for carbon fiber and method for manufacturing the same | |
| JPS6037202B2 (en) | water absorbent acrylic fiber | |
| CN102978740A (en) | Collagen and polyvinyl alcohol composite fiber and manufacturing method thereof | |
| CN108822343A (en) | A kind of preparation method of phase transformation material of regenerated cellulose | |
| CN102978739B (en) | Preparation method of polyethylene glycol/polyvinyl alcohol phase change energy storage fiber by in situ crosslinking | |
| CN104558422A (en) | Method for preparing thermoplastic cellulose based copolymer and application of thermoplastic cellulose based copolymer | |
| Khatri et al. | Dyeing of electrospun nanofibers | |
| US4997610A (en) | Process for producing filaments and fibers of acrylic polymers which contain carboxyl groups | |
| US5436275A (en) | Porous acrylonitrile polymer fiber | |
| JP2009528453A (en) | Process for producing acrylic fiber for textiles with little pilling formation and acrylic fiber thus obtained | |
| CN104060346A (en) | Hollow fiber for temperature response type curtain |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhoushan Xinxin Fiber Co., Ltd. Assignor: Sichuan University Contract fulfillment period: 2008.10.10 to 2016.10.10 contract change Contract record no.: 2009330000521 Denomination of invention: Method of in situ encapsulation preparing phase-change energy-storage fibre Granted publication date: 20080416 License type: Exclusive license Record date: 2009.4.1 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.10.10 TO 2016.10.10; CHANGE OF CONTRACT Name of requester: ZHOUSHAN XINXIN CHEMICAL FIBER CO., LTD. Effective date: 20090401 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080416 Termination date: 20160816 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |