CN104911724A - Environment-friendly energy storage and temperature regulation fiber and preparation method thereof - Google Patents
Environment-friendly energy storage and temperature regulation fiber and preparation method thereof Download PDFInfo
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- CN104911724A CN104911724A CN201510299133.8A CN201510299133A CN104911724A CN 104911724 A CN104911724 A CN 104911724A CN 201510299133 A CN201510299133 A CN 201510299133A CN 104911724 A CN104911724 A CN 104911724A
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Abstract
The invention provides an environment-friendly energy storage and temperature regulation fiber and a preparation method thereof. The environment-friendly energy storage and temperature regulation fiber is characterized by comprising a first part and a second part, the second part is arranged in the first part, the first part is made from materials including spinning-grade polymer, the second part is made from materials including matrix polymer, phase-change medium, azodicarbonamide foaming agent, zinc oxide activating agent and auxiliary crosslinking agent, the second part is provided with closed-cell structures, and the phase-change medium is stored in and among the closed-cell structure. The environment-friendly energy storage and temperature regulation fiber prepared by the invention is provided with a sheath-core-imitating structure or a double-constituent structure, the core layer or fibrils of the environment-friendly energy storage and temperature regulation fiber are provided with uniform closed-cell structures, and the phase-change medium is stored in the closed-cell spaces or embedded among the cell walls. The closed cell in the structure not only can anchor the phase-change medium, but also can seal the air, so that the environment-friendly energy storage and temperature regulation fiber achieves the effect of insulation synergy.
Description
Technical field
The invention belongs to the preparation field of intelligent temperature adjusting fiber, particularly a kind of environment protection type energy storage temperature-regulating fiber and preparation method thereof.
Background technology
Along with the development of social demand, the change day by day of living environment, people are to take and household textiles proposes the demand of multifunctional intelligent.In the comfortableness of skin contact, human body warm is particularly important.Warming-type intelligent temperature adjusting fiber can utilize fiber self to the storage of heat and discharge to reach the object regulating microenvironment between human body and fabric.
The preparation method of current thermo-regulated fiber has microcapsules wet spinning process, doughnut completion method, fiber surface completion method etc.There is preparation process and pollute large in microcapsules wet spinning process, the drawback that operation is numerous and diverse; , there is the shortcoming that phase-change material is easily revealed in doughnut completion method; There is the defect of washability difference in fiber surface coating.Doughnut is put into hopper by patent of invention CN 103710964 A, carries out the filling of phase-change material, the end-blocking existing problems of its fiber ends.Patent of invention CN 101906670 B discloses spinning equipment of a kind of melt-spun type solid-liquid composite phase change fiber and preparation method thereof, liquid state phase change material is directly stored in fibrous inside in liquid form, also there is unstable problem in liquid state phase change material fusingization.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of environment protection type energy storage temperature-regulating fiber and preparation method thereof, fibre section prepared by the method is rendered as imitation leather cored structure or two structure separation structure, its sandwich layer or fibril have even hole-closing structure, and phase transformation medium storing is in closed pore space or be embedded in the middle of hole wall.Intelligent energy storage temperature-regulating fiber of the present invention have cost low, pollute little, that enthalpy is high, energy-saving and temperature-regulating ability is strong advantage, the functional modification field of environment-friendly function fiber can be applied in preferably, meet chemical fibre industry Production requirement.
In order to solve the problems of the technologies described above, the invention provides a kind of environment protection type energy storage temperature-regulating fiber, it is characterized in that, comprise Part I and Part II, described Part II is located at Part I inside, described Part I is made up of the raw material comprising spinning-grade polymer, described Part II is made up of the raw material comprising matrix polymer, phase change medium, blowing agent Celogen Az, activator and assistant crosslinking agent, described Part II has hole-closing structure, and phase change medium is stored in hole-closing structure and between hole-closing structure.
Preferably, it is cortex that described Part I and Part II form Part I, and Part II is the skin-core structure of sandwich layer or forms two structure separation structures that Part II is dispersed in Part I inside.
Preferably, described spinning-grade polymer is the one in Merlon, PLA, polyhydroxyalkanoate and poly butylene succinate.
Preferably, described matrix polymer is that melting temperature is the polymer of 90 ~ 130 DEG C at one atm.
Preferably, described matrix polymer is Merlon, PLA, polyhydroxyalkanoate or poly butylene succinate.
Preferably, described phase change medium is one or more in polyethylene glycol, paraffin, stearic acid, laurate, SA, polyethylene glycol monoacrylate, stearyl chloride, lauroyl chloride and certain herbaceous plants with big flowers diacid chloride.
Preferably, described assistant crosslinking agent is cumyl peroxide or di-tert-butyl peroxide.
Preferably, described Part I and the mass ratio of Part II are 1/3 ~ 9/1.
Preferably, the raw material of described Part II is made up of the matrix polymer of phase change medium 20 ~ 60wt%, blowing agent Celogen Az 0.5 ~ 5wt%, activator 0.5 ~ 1wt%, assistant crosslinking agent 0.2 ~ 1wt% and surplus.
Preferably, the hole ratio of the hole-closing structure of described Part II is 20 ~ 50%, and aperture is 0.1 ~ 1 μm.
Present invention also offers the preparation method of above-mentioned environment protection type energy storage temperature-regulating fiber, it is characterized in that, concrete steps comprise: the raw material of Part I and the raw material of Part II are added and have in the composite spinning system of two singe screw, adopt bicomponent fiber assembly or two structure to divide fiber sprinning assembly to carry out melt spinning.
The present invention utilizes imitation leather cored structure bicomponent fiber or two structure to divide the method for fiber, utilizes uniform hole-closing structure in sandwich layer or fibrillar structure, seal up for safekeeping, and partial phase change material directly can be embedded in the middle of hole wall to phase transformation medium.
Compared with prior art, the invention has the beneficial effects as follows:
(1) the environment protection type energy storage temperature-regulating fiber that prepared by the present invention has imitation leather cored structure or two structure separation structure, and its sandwich layer or fibril have even hole-closing structure, and phase transformation medium storing is in closed pore space or be embedded in the middle of hole wall.Closed pore in this structure both can grappling phase change medium, can seal air up for safekeeping again, made it reach the effect of insulation cooperative effect.
(2) environment protection type energy storage temperature-regulating fiber of the present invention have cost low, pollute little, that enthalpy is high, energy-saving and temperature-regulating ability is strong advantage, the functional modification field of general fiber can be applied in preferably, meet chemical fibre industry Production requirement.
Accompanying drawing explanation
The skin-core structure schematic diagram of the environment protection type energy storage temperature-regulating fiber of Fig. 1 a prepared by the present invention.
The skin-core structure sectional view of the environment protection type energy storage temperature-regulating fiber of Fig. 1 b prepared by the present invention.
Two structure separation structure schematic diagrames of the environment protection type energy storage temperature-regulating fiber of Fig. 2 a prepared by the present invention.
Two structure separation structure sectional views of the environment protection type energy storage temperature-regulating fiber of Fig. 2 b prepared by the present invention.
In figure, 1 be Part I, 2 for Part II, 3 is phase change medium.
Detailed description of the invention
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
Polyethylene glycol monoacrylate described in various embodiments of the present invention is with reference to national inventing patent CN102516471B synthesis, and its number-average molecular weight is 1000 ~ 10000.Phase transformation enthalpy in various embodiments of the present invention is measured by DSC and obtains.
Embodiment 1
A kind of environment protection type energy storage temperature-regulating fiber, be made up of Part I and Part II, described Part II is located at Part I inside, described Part I is made up of spinning-grade polymer, described Part II is made up of matrix polymer, phase change medium, blowing agent Celogen Az, activator and assistant crosslinking agent, described Part II has hole-closing structure, and phase change medium is stored in hole-closing structure and between hole-closing structure.
It is cortex that described Part I and Part II form Part I, and Part II is the skin-core structure of sandwich layer.Described spinning-grade polymer is Merlon.Described matrix polymer is that melting temperature is the Merlon of 130 DEG C at one atm.Described phase change medium is polyethylene glycol monoacrylate.Described assistant crosslinking agent is cumyl peroxide.
The preparation method of above-mentioned environment protection type energy storage temperature-regulating fiber is: first, 50 weight part polycarbonate sections are added in the first singe screw of composite spinning system having two singe screw, the polyethylene glycol monoacrylate of 30 weight portions is added in the second singe screw of composite spinning system having two singe screw, the Celogen Az of 2.5 weight portions, the nano zine oxide (particle diameter 50 ~ 200nm) of 0.5 weight portion, the cumyl peroxide of 0.5 weight portion, the fusing point of 16.5 weight portions is the pre-composition of 130 DEG C of Merlon, the wherein head pressure of the second singe screw 0.5 ~ 1MPa higher than the head pressure of the first singe screw.Utilize and have the bi-component sheath-core filament spinning component of the composite spinning system of two singe screw to carry out melt spinning acquisition environment protection type energy storage temperature-regulating fiber, spinning temperature is 300 ~ 315 DEG C, spinning speed is 500 ~ 3000m/min, as seen in figure la and lb, wherein the hole ratio of Part II 2 for being about 50% and aperture is about 1 μm of even hole-closing structure.Experiment finds, the phase transformation enthalpy preparing fiber reaches 15 ~ 25J/g.
Embodiment 2
A kind of environment protection type energy storage temperature-regulating fiber, be made up of Part I and Part II, described Part II is located at Part I inside, described Part I is made up of spinning-grade polymer, described Part II is made up of matrix polymer, phase change medium, blowing agent Celogen Az, activator and assistant crosslinking agent, described Part II has hole-closing structure, and phase change medium is stored in hole-closing structure and between hole-closing structure.
It is cortex that described Part I and Part II form Part I, and Part II is the skin-core structure of sandwich layer.Described spinning-grade polymer is PLA.Described matrix polymer is that melting temperature is 90 DEG C of Merlon at one atm.Described phase change medium is polyethylene glycol (number-average molecular weight (2000 ~ 6000)) and SA.Described assistant crosslinking agent is di-tert-butyl peroxide.
The preparation method of above-mentioned environment protection type energy storage temperature-regulating fiber is: first, 50 weight portion polylactic acid slice are added in the first singe screw of composite spinning system having two singe screw, the polyethylene glycol of 15 weight portions is added in the second singe screw of composite spinning system having two singe screw, the SA of 15 weight portions, the Celogen Az of 2.5 weight portions, the nano zine oxide (particle diameter 50 ~ 200nm) of 0.5 weight portion, the di-tert-butyl peroxide of 0.5 weight portion, the fusing point of 16.5 weight portions is the pre-composition of 90 DEG C of Merlon, the wherein head pressure of the second singe screw 0.5 ~ 1MPa higher than the head pressure of the first singe screw.Utilize and have the bi-component sheath-core filament spinning component of the composite spinning system of two singe screw to carry out melt spinning acquisition environment protection type energy storage temperature-regulating fiber, spinning temperature is 200 ~ 240 DEG C, spinning speed is 500 ~ 3000m/min, as seen in figure la and lb, wherein the hole ratio of Part II 2 for being about 20% and aperture is about 0.1 μm of even hole-closing structure.Experiment finds, the phase transformation enthalpy preparing fiber reaches 6 ~ 15J/g.
Embodiment 3
A kind of environment protection type energy storage temperature-regulating fiber, be made up of Part I and Part II, described Part II is located at Part I inside, described Part I is made up of spinning-grade polymer, described Part II is made up of matrix polymer, phase change medium, blowing agent Celogen Az, activator and assistant crosslinking agent, described Part II has hole-closing structure, and phase change medium is stored in hole-closing structure and between hole-closing structure.
Described Part I and Part II form two structure separation structures that Part II is dispersed in Part I inside.Described spinning-grade polymer is PLA.Described matrix polymer is that melting temperature is 130 DEG C of PLAs at one atm.Described phase change medium is paraffin.Described assistant crosslinking agent is cumyl peroxide.
The preparation method of above-mentioned environment protection type energy storage temperature-regulating fiber is: first, 90 weight portion polylactic acid slice are added in the first singe screw of composite spinning system having two singe screw, the paraffin of 2 weight portions is added in the second singe screw of composite spinning system having two singe screw, the Celogen Az of 0.05 weight portion, the nano zine oxide (particle diameter 50 ~ 200nm) of 0.05 weight portion, the cumyl peroxide of 0.02 weight portion, the fusing point of 7.88 weight portions is the pre-composition of 130 DEG C of polylactic acid slice, the wherein head pressure of the second singe screw 0.5 ~ 1MPa higher than the head pressure of the first singe screw.Utilize and have two structures of the composite spinning system of two singe screw to divide filament spinning component to carry out melt spinning acquisition environment protection type energy storage temperature-regulating fiber, spinning temperature is 200 ~ 240 DEG C, spinning speed is 500 ~ 3000m/min, as shown in figures 2 a and 2b, wherein the hole ratio of Part II 2 class fibrillar structure for being about 50% and aperture is about 1 μm of even hole-closing structure.Experiment finds, the phase transformation enthalpy preparing fiber reaches 3 ~ 10J/g.
Embodiment 4
A kind of environment protection type energy storage temperature-regulating fiber, be made up of Part I and Part II, described Part II is located at Part I inside, described Part I is made up of spinning-grade polymer, described Part II is made up of matrix polymer, phase change medium, blowing agent Celogen Az, activator and assistant crosslinking agent, described Part II has hole-closing structure, and phase change medium is stored in hole-closing structure and between hole-closing structure.
It is cortex that described Part I and Part II form Part I, and Part II is the skin-core structure of sandwich layer.Described spinning-grade polymer is polyhydroxyalkanoate.Described matrix polymer is that melting temperature is 100 DEG C of polyhydroxyalkanoates at one atm.Described phase change medium is stearic acid.Described assistant crosslinking agent is cumyl peroxide.
The preparation method of above-mentioned environment protection type energy storage temperature-regulating fiber is: first, 25 weight portion polyhydroxyalkanoate sections are added in the first singe screw of composite spinning system having two singe screw, the stearic acid of 22.5 weight portions is added in the second singe screw of composite spinning system having two singe screw, the Celogen Az of 2.25 weight portions, the nano zine oxide (particle diameter 50 ~ 200nm) of 0.75 weight portion, the cumyl peroxide of 0.375 weight portion, the fusing point of 49.125 weight portions is the pre-composition of 100 DEG C of polyhydroxyalkanoates, the wherein head pressure of the second singe screw 0.5 ~ 1MPa higher than the head pressure of the first singe screw.Utilize and have the bi-component sheath-core filament spinning component of the composite spinning system of two singe screw to carry out melt spinning acquisition environment protection type energy storage temperature-regulating fiber, spinning temperature is 180 ~ 210 DEG C, spinning speed is 500 ~ 3000m/min, as seen in figure la and lb, wherein the hole ratio of Part II 2 for being about 30% and aperture is about 0.5 μm of even hole-closing structure.Experiment finds, the phase transformation enthalpy preparing fiber reaches 8 ~ 18J/g.
Embodiment 5
A kind of environment protection type energy storage temperature-regulating fiber, be made up of Part I and Part II, described Part II is located at Part I inside, described Part I is made up of spinning-grade polymer, described Part II is made up of matrix polymer, phase change medium, blowing agent Celogen Az, activator and assistant crosslinking agent, described Part II has hole-closing structure, and phase change medium is stored in hole-closing structure and between hole-closing structure.
It is cortex that described Part I and Part II form Part I, and Part II is the skin-core structure of sandwich layer.Described spinning-grade polymer is polyhydroxyalkanoate.Described matrix polymer is that melting temperature is the polyhydroxyalkanoate of 90 DEG C at one atm.Described phase change medium is stearyl chloride and lauroyl chloride.Described assistant crosslinking agent is cumyl peroxide.
The preparation method of above-mentioned environment protection type energy storage temperature-regulating fiber is: first, 50 weight portion polyhydroxyalkanoate sections are added in the first singe screw of composite spinning system having two singe screw, the stearyl chloride of 20 weight portions is added in the second singe screw of composite spinning system having two singe screw, the lauroyl chloride of 10 weight portions, the Celogen Az of 2.5 weight portions, the nano zine oxide (particle diameter 50 ~ 200nm) of 0.5 weight portion, the cumyl peroxide of 0.5 weight portion, the fusing point of 16.5 weight portions is the pre-composition of the polyhydroxyalkanoate of 90 DEG C, the wherein head pressure of the second singe screw 0.5 ~ 1MPa higher than the head pressure of the first singe screw.Utilize and have the bi-component sheath-core filament spinning component of the composite spinning system of two singe screw to carry out melt spinning acquisition environment protection type energy storage temperature-regulating fiber, spinning temperature is 180 ~ 210 DEG C, spinning speed is 500 ~ 3000m/min, as seen in figure la and lb, wherein the hole ratio of Part II 2 for being about 40% and aperture is about 0.8 μm of even hole-closing structure.Experiment finds, the phase transformation enthalpy preparing fiber reaches 15 ~ 25J/g.
Embodiment 6
A kind of environment protection type energy storage temperature-regulating fiber, be made up of Part I and Part II, described Part II is located at Part I inside, described Part I is made up of spinning-grade polymer, described Part II is made up of matrix polymer, phase change medium, blowing agent Celogen Az, activator and assistant crosslinking agent, described Part II has hole-closing structure, and phase change medium is stored in hole-closing structure and between hole-closing structure.
It is cortex that described Part I and Part II form Part I, and Part II is the skin-core structure of sandwich layer.Described spinning-grade polymer is poly butylene succinate.Described matrix polymer is that melting temperature is the poly butylene succinate of 95 DEG C at one atm.Described phase change medium is certain herbaceous plants with big flowers diacid chloride.Described assistant crosslinking agent is cumyl peroxide.
The preparation method of above-mentioned environment protection type energy storage temperature-regulating fiber is: first, 50 weight portion poly butylene succinate sections are added in the first singe screw of composite spinning system having two singe screw, the certain herbaceous plants with big flowers diacid chloride of 30 weight portions is added in the second singe screw of composite spinning system having two singe screw, the Celogen Az of 2.5 weight portions, the nano zine oxide (particle diameter 50 ~ 200nm) of 0.5 weight portion, the cumyl peroxide of 0.5 weight portion, the fusing point of 16.5 weight portions is the pre-composition of 95 DEG C of poly butylene succinates, the wherein head pressure of the second singe screw 0.5 ~ 1MPa higher than the head pressure of the first singe screw.Utilize and have the bi-component sheath-core filament spinning component of the composite spinning system of two singe screw to carry out melt spinning acquisition environment protection type energy storage temperature-regulating fiber, spinning temperature is 250 ~ 290 DEG C, spinning speed is 500 ~ 3000m/min, as seen in figure la and lb, wherein the hole ratio of Part II 2 for being about 45% and aperture is about 1 μm of even hole-closing structure.Experiment finds, the phase transformation enthalpy preparing fiber reaches 15 ~ 25J/g.
Claims (10)
1. an environment protection type energy storage temperature-regulating fiber, it is characterized in that, comprise Part I and Part II, described Part II is located at Part I inside, described Part I is made up of the raw material comprising spinning-grade polymer, described Part II is made up of the raw material comprising matrix polymer, phase change medium, blowing agent Celogen Az, activator and assistant crosslinking agent, described Part II has hole-closing structure, and phase change medium is stored in hole-closing structure and between hole-closing structure.
2. environment protection type energy storage temperature-regulating fiber as claimed in claim 1, it is characterized in that, it is cortex that described Part I and Part II form Part I, and Part II is the skin-core structure of sandwich layer or forms two structure separation structures that Part II is dispersed in Part I inside.
3. environment protection type energy storage temperature-regulating fiber as claimed in claim 1, it is characterized in that, described spinning-grade polymer is the one in Merlon, PLA, polyhydroxyalkanoate and poly butylene succinate.
4. environment protection type energy storage temperature-regulating fiber as claimed in claim 1, it is characterized in that, described matrix polymer is that melting temperature is the polymer of 90 ~ 130 DEG C at one atm.
5. environment protection type energy storage temperature-regulating fiber as claimed in claim 1, it is characterized in that, described matrix polymer is Merlon, PLA, polyhydroxyalkanoate or poly butylene succinate.
6. environment protection type energy storage temperature-regulating fiber as claimed in claim 1, it is characterized in that, described phase change medium is one or more in polyethylene glycol, paraffin, stearic acid, laurate, SA, polyethylene glycol monoacrylate, stearyl chloride, lauroyl chloride and certain herbaceous plants with big flowers diacid chloride.
7. environment protection type energy storage temperature-regulating fiber as claimed in claim 1, it is characterized in that, described assistant crosslinking agent is cumyl peroxide or di-tert-butyl peroxide.
8. environment protection type energy storage temperature-regulating fiber as claimed in claim 1, it is characterized in that, described Part I and the mass ratio of Part II are 1/3 ~ 9/1.
9. environment protection type energy storage temperature-regulating fiber as claimed in claim 1, it is characterized in that, the raw material of described Part II is made up of the matrix polymer of phase change medium 20 ~ 60wt%, blowing agent Celogen Az 0.5 ~ 5wt%, activator 0.5 ~ 1wt%, assistant crosslinking agent 0.2 ~ 1wt% and surplus.
10. the preparation method of the environment protection type energy storage temperature-regulating fiber according to any one of claim 1-9, it is characterized in that, concrete steps comprise: the raw material of Part I and the raw material of Part II are added and have in the composite spinning system of two singe screw, adopt bicomponent fiber assembly or two structure to divide fiber sprinning assembly to carry out melt spinning.
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| CN108018616A (en) * | 2017-10-25 | 2018-05-11 | 衢州福创工业设计有限公司 | A kind of antibacterial composite high-molecular fiber and preparation method |
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| CN104911724B (en) | 2017-12-26 |
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Application publication date: 20150916 Assignee: Zhejiang Wanzhou Holding Group Co., Ltd. Assignor: Donghua University Contract record no.: X2019980000234 Denomination of invention: Environment-friendly energy storage and temperature regulation fiber and preparation method thereof Granted publication date: 20171226 License type: Exclusive License Record date: 20191008 |
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