CN106633811A - Shape memory plastic paper and preparation method and application thereof - Google Patents

Shape memory plastic paper and preparation method and application thereof Download PDF

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Publication number
CN106633811A
CN106633811A CN201610963422.8A CN201610963422A CN106633811A CN 106633811 A CN106633811 A CN 106633811A CN 201610963422 A CN201610963422 A CN 201610963422A CN 106633811 A CN106633811 A CN 106633811A
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paper
shape memory
shape
plastic paper
plant fiber
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CN201610963422.8A
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CN106633811B (en
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陈少军
卓海涛
文豪
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Shenzhen University
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Shenzhen University
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04Polyurethanes
    • C08L75/06Polyurethanes from polyesters
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04Polyurethanes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04Polyurethanes
    • C08L75/14Polyurethanes having carbon-to-carbon unsaturated bonds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/12Shape memory

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)

Abstract

The invention is applicable to the field of composite materials and provides a shape memory plastic paper and preparation method and application thereof. The shape memory plastic paper contains a shape memory polymer, plant fiber paper and a surface active agent. The shape memory plastic paper has the advantages of large deformation amount based on the shape memory polymer, processing deformation, low cost, easily regulated shape recovery temperature and the like, the surface active agent is utilized to compound the shape memory polymer and the plant fiber paper, and accordingly the plant fiber paper has a corresponding shape memory function. The shape memory plastic paper has the function, a temporary shape can be fixed, and an initial shape can be also recovered under a certain outside stimulation condition.

Description

A kind of shape memory plastic paper and its preparation method and application
Technical field
The invention belongs to field of compound material, more particularly to a kind of shape memory plastic paper and its preparation method and application.
Background technology
Paper is domestic and international application in the important materials of writing record, commonly using for paper, not only promotes books document money The rapid growth of material and the propagation of science and culture, and promote the development of calligraphy art, the transition of flourishing and Chinese character style.From ancient times Since, mainly with recording, packing, wiping three zones, common paper does not have stimuli responsive characteristic to paper.
In recent years, functional paper, i.e., increase a kind of Novel paper of function on the basis of the original performance of paper, becomes a kind of weight The lamellar new material wanted.People can by using methods such as functional fiber raw material, functional filler, paper conversion, printings, or Paper deodorization, antibacterial, heat-resisting, conductive, catalysis are given using hard-core technologies such as nanotechnology, microcapsule technology, microflow control techniques Etc. function.Therefore, functional paper has caused the wide of the fields such as medical treatment, biology, the energy, electronic technology as a kind of new material General concern, while also penetrating into the various aspects of people's life.
However, not studies have reported that the functional paper with shape memory function in the functional paper of research at present.
The content of the invention
The technical problem to be solved is to provide a kind of shape memory plastic paper and its preparation method and application, A kind of functional paper with shape memory function, the range of application of expanding function paper are aimed to provide, while improve shape memory gathering The performance of compound, enriches the species of shape memory polymer material.
The present invention is achieved in that a kind of shape memory plastic paper, and the shape memory plastic paper includes shape memory Polymer, plant fiber paper and surfactant.
Further, the mass ratio of the shape-memory polymer, plant fiber paper and surfactant is 10~50:10 ~50:1~10.
Further, the shape-memory polymer includes at least one in polyurethane, DMAPS-co-AA copolymers.
Further, the surfactant is that ionic surfactant is anionic surfactant, cation Type surfactant or zwitterionic surfactant.
Further, the thickness of the shape memory plastic paper is 0.05~0.2mm.
Present invention also offers a kind of preparation method of above-mentioned shape memory plastic paper, comprises the following steps:
Prepare shape-memory polymer solution and aqueous surfactant solution;
Plant fiber paper is placed in the aqueous surfactant solution and is soaked 10~30 minutes, and dried;
Plant fiber paper after drying is soaked 10~30 minutes in the shape-memory polymer solution;
Plant fiber paper after immersion treatment is taken out, is struck off, the liquid absorption for controlling the plant fiber paper is 10wt% ~200wt%, is then dried.
Further, the mass concentration of the shape-memory polymer solution is 1~20wt%.
Further, the mass concentration of the aqueous surfactant solution is 1~10wt%.
Further, the temperature of the drying and the drying is 50~80 DEG C.
Present invention also offers a kind of application of above-mentioned shape memory plastic paper, the application is by the shape memory Plastic paper is used to prepare textile, toy, medical supplies or stationery.
Compared with prior art, beneficial effect is the present invention:Shape memory plastic paper provided in an embodiment of the present invention, be The composite of shape-memory polymer and plant fiber paper, according to the deflection of shape-memory polymer is big, machining deformation, into The advantages of this is low, shape recovery temperature is easily dimmable, forms preferable absorption and makees using surface active agent ion and Plant fiber With, and other end strand will form the preferable compatibility with polymer, and shape-memory polymer is combined with Plant fiber's matter Together, the good absorption effect of shape-memory polymer and Plant fiber is realized, so that plant fiber paper has accordingly Shape memory function.This functional paper of shape memory plastic paper provided in an embodiment of the present invention, can fix temporary shapes, certain Under the conditions of environmental stimuli, original shape can be returned to again.
Description of the drawings
Fig. 1 is the SEM figures of the shape memory plastic paper that the embodiment of the present invention 1 is provided;
Fig. 2 a are that the embodiment of the present invention 2 the shape memory plastic paper for providing and the plant fiber paper for not carrying out test operation exist Mechanical property comparison schematic diagram on vertical ridge orientation, Fig. 2 b are that its mechanical property on horizontal ridge orientation compares signal Figure;
Fig. 3 a are the original shape schematic diagrams of the multiple shape memory plastic paper that the embodiment of the present invention 3 is provided, Fig. 3 b be it Schematic shapes after 80 DEG C of deformable foldings after 20 DEG C of coolings are fixed;
Fig. 4 be the embodiment of the present invention 3 provide shape memory plastic paper in temperature-rise period shape recovery process schematic diagram.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, it is right below in conjunction with drawings and Examples The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, and It is not used in the restriction present invention.
Embodiments provide a kind of shape memory plastic paper, the composite include shape-memory polymer, Plant fiber paper and surfactant.
Shape memory plastic paper provided in an embodiment of the present invention, is the composite wood of shape-memory polymer and plant fiber paper Material, according to the deflection of shape-memory polymer is big, machining deformation, low cost, easily dimmable shape recovery temperature the advantages of, profit Preferable attraction function is formed with surface active agent ion and Plant fiber, and other end strand will be formed preferably with polymer The compatibility, shape-memory polymer is combined with each other with Plant fiber's matter, realize shape-memory polymer and Plant fiber Good absorption effect so that plant fiber paper has corresponding shape memory function.Shape provided in an embodiment of the present invention Memory plastics paper this functional paper, can fix temporary shapes, under the conditions of certain environmental stimuli, original shape can be returned to again.
Specifically, the mass ratio of the shape-memory polymer, plant fiber paper and surfactant is 10~50:10~ 50:1~10.In the inventive solutions, when shape-memory polymer content is more, the shape-memory properties of composite And excellent in mechanical performance, dosage of surfactant improves and is conducive to the absorption of polymer.The shape-memory polymer includes poly- Urethane, DMAPS-co-AA copolymer (DMAPS:N, N- dimethyl (methylacryoyloxyethyl) ammonium propane sulfonic acid inner salt, co:Altogether It is poly-, AA:Acrylic acid) at least one.The surfactant is that anionic surfactant or cationic are lived Property agent.
Specifically, the thickness of the shape memory plastic paper is 0.05~0.2mm.
The embodiment of the present invention additionally provides a kind of preparation method of above-mentioned shape memory plastic paper, comprises the following steps:
Prepare shape-memory polymer solution and aqueous surfactant solution;
Plant fiber paper is placed in the aqueous surfactant solution and is soaked 10~30 minutes, and dried;
Plant fiber paper after drying is soaked 10~30 minutes in the shape-memory polymer solution;
Plant fiber paper after immersion treatment is taken out, is struck off, the liquid absorption for controlling the plant fiber paper is 10wt% ~200wt%, is then dried.
Specifically, the solvent in the shape-memory polymer solution is dimethylformamide, tetrahydrofuran or dimethyl Sulfoxide, the mass concentration of the solution is 1~20wt%.The mass concentration of the aqueous surfactant solution is 1~10wt%. The temperature of the drying and the drying is 50~80 DEG C.The mass concentration of shape-memory polymer solution is too low, and paper is to poly- The absorption amount of compound is less;Concentration is higher, and paper increases the absorption amount of polymer;Surfactant qualities concentration height is conducive to gathering Compound adsorbs, and polymer absorption amount is more, and required surfactant concentration is bigger;Baking temperature with selected solvent it is different and not Together.
The embodiment of the present invention additionally provides a kind of application of above-mentioned shape memory plastic paper, and the application is by the shape Memory plastics paper is used to prepare textile, toy, medical supplies or stationery.
Embodiment 1
A kind of new shape memory polyurethane/paper composites, mainly by the shape memory polyurethane resin of 50 parts of weight, The dodecylbenzene sodium sulfonate (SD) of the dust-free paper of 40 parts of weight and 10 parts of weight is compound to be prepared;The shape memory polyurethane is adopted Poly adipate succinic acid ester with 65wt% weight fractions is soft section phase, and 35wt% weight fractions are by diphenylmethane diisocyanate The hard section phase that ester and butanediol are constructed.Concrete preparation method is as follows:1) first shape memory polyurethane (SMPU) is dissolved in N, N- The SMPU/DMF solution for standby of 10wt% is made in dimethylformamide (DMF) solvent;2) dust-free paper in 10wt% concentration ten Soak 20 minutes in the aqueous solution of dialkyl benzene sulfonic acids sodium, and 80 DEG C of dry for standby;3) by the dust-free paper after drying in SMPU/ Soak 30 minutes in DMF solution;4) dust-free paper after immersion treatment is taken out, is struck off with Glass rod, control plant fiber paper Liquid absorption;5) dust-free paper is dried in 80 DEG C of convection ovens, obtains final product the composite of SMPU/ paper, as shape memory plastic paper. The special plant paper of the dust-free paper, loose, hole is more, and impurity is few.Dustless paper fiber (i.e. composite wood Jing after SMPU process Material) surface SEM figures (electron scanning imaging figure) as shown in figure 1, compared with pristine fibre surface, can substantially observe polymerization Thing is tightly adhered to fiber surface, defines the composite of firm SMPU/ paper.
Embodiment 2
A kind of new shape memory copolymer/paper composites, mainly by the shape memory polyurethane resin of 50 parts of weight, The dodecylbenzene sodium sulfonate (SD) of the printing paper of 45 parts of weight and 5 parts of weight is compound to be prepared, shape memory copolymerization owner Will adopt 80wt% weight fractions N, N- dimethyl (methylacryoyloxyethyl) ammonium propane sulfonic acid inner salt (DMAPS) and Acrylic acid (AA) copolymerization of 20wt% weight fractions is formed.Concrete preparation method is as follows:1) it is first that DMAPS-co-AA copolymers is molten Solution is made into the solution for standby of 10wt% in deionized water;2) printing paper is in the aqueous solution containing 10wt% dodecylbenzene sodium sulfonate Middle immersion 20 minutes, and 50 DEG C of dry for standby;3) printing paper after drying is soaked in DMAPS-co-AA aqueous solutions 20 points Clock;4) printing paper after immersion treatment is taken out, is struck off with Glass rod, control the liquid absorption of plant fiber paper;5) in 80 DEG C of drums Printing paper is dried in wind baking oven, shape memory copolymer/paper composites, as shape memory plastic paper are obtained final product.Prepared The Mechanics Performance Testing that shape memory copolymer/paper composites are contrasted with paper is as shown in Figure 2 a and 2 b.Without Jing shapes note Recall elongation at break about 10% of the paper before polymer treatment in horizontal ridge orientation, and the fracture on vertical ridge orientation Percentage elongation about 20%, Jing after the process of shape memory copolymer, the elongation at break of horizontal ridge orientation is promoted to 50%, and fracture is strong Degree displays that raising;And the elongation at break of vertical ridge orientation is promoted to 40%.Mechanical experimental results show, polymer After introducing, the mechanical strength and elongation at break of composite is significantly improved.
Embodiment 3
A kind of new type amphoteric ion shape memory polyurethane/paper composites, the main amphion comprising 50 parts of weight Prepared by the neutral filter paper of shape memory polyurethane and 25 parts of weight, the amphion shape memory polyurethane is mainly by N- methyl Diethanolamine (MDEA), hexamethylene diisocyanate (HDI), BDO (BDO), and 1,3- propyl sulfonic acid lactone (PS) it is prepared from, content containing 50wt%MDEA-PS, 50wt%HDI-BDO contents.Amphion shape memory polyurethane/paper The concrete preparation method of composite is as follows:1) first amphion shape memory polyurethane is dissolved in DMF and is made into 10wt% Solution for standby;2) neutral filter paper soaks 15 minutes in amphion shape memory polyurethane solution;4) immersion treatment Amphion shape memory polyurethane afterwards takes out, and is struck off with Glass rod, controls liquid absorption;5) dry in 80 DEG C of convection ovens Neutral filter paper, obtains final product amphion shape memory polyurethane/paper composites, as shape memory plastic paper.From what is prepared A rectangular specimens are cut in amphion shape memory polyurethane/paper composites, as shown in Figure 3 a;The 80 DEG C of changes of pattern bar The shapes for obtaining as shown in Figure 3 b after shape folding after 20 DEG C of coolings are fixed, with preferable shape fixability energy.After fixation The pattern bar of folding is placed on temperature higher than under 50 DEG C of environment, it can clearly be seen that pattern bar is raised with temperature, heat progressively occurs Cause shape to recover, as shown in figure 4, original shape finally can be completely recovered under the conditions of 80 DEG C, show preferable shape and recover Effect, shows that prepared amphion shape memory polyurethane/paper composites have preferable thermal shape memory performance.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.

Claims (10)

1. a kind of shape memory plastic paper, it is characterised in that the shape memory plastic paper includes shape-memory polymer, plant Fibrous paper and surfactant.
2. shape memory plastic paper as claimed in claim 1, it is characterised in that the shape-memory polymer, Plant fiber The mass ratio of paper and surfactant is 10~50:10~50:1~10.
3. shape memory plastic paper as claimed in claim 1, it is characterised in that the shape-memory polymer includes poly- ammonia At least one in ester, DMAPS-co-AA copolymers.
4. shape memory plastic paper as claimed in claim 1, it is characterised in that the surfactant is that ion-type surface is lived Property agent be anionic surfactant, cationic surface active agent or zwitterionic surfactant.
5. shape memory plastic paper as claimed in claim 1, it is characterised in that the thickness of the shape memory plastic paper is 0.05~0.2mm.
6. a kind of preparation method of the shape memory plastic paper as described in claim 1 to 5 any one, it is characterised in that bag Include following steps:
Prepare shape-memory polymer solution and aqueous surfactant solution;
Plant fiber paper is placed in the aqueous surfactant solution and is soaked 10~30 minutes, and dried;
Plant fiber paper after drying is soaked 10~30 minutes in the shape-memory polymer solution;
Plant fiber paper after immersion treatment is taken out, is struck off, control the liquid absorption of the plant fiber paper for 10wt%~ 200wt%, is then dried.
7. preparation method as claimed in claim 6, it is characterised in that the mass concentration of the shape-memory polymer solution is 1~20wt%.
8. preparation method as claimed in claim 6, it is characterised in that the mass concentration of the aqueous surfactant solution is 1 ~10wt%.
9. preparation method as claimed in claim 6, it is characterised in that the temperature of the drying and the drying is 50~80 ℃。
10. a kind of application of the shape memory plastic paper as described in claim 1 to 5 any one, it is characterised in that described to answer With for by the shape memory plastic paper be used for prepare textile, toy, medical supplies or stationery.
CN201610963422.8A 2016-10-28 2016-10-28 Shape memory plastic paper and preparation method and application thereof Active CN106633811B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018076278A1 (en) * 2016-10-28 2018-05-03 深圳大学 Shape memory plastic paper, preparation method therefor and application thereof
CN110563906A (en) * 2019-08-15 2019-12-13 深圳大学 Shape memory polyurethane and preparation method and application thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0834067A (en) * 1994-07-22 1996-02-06 Shin Etsu Polymer Co Ltd Shape memory paper
CN104193893A (en) * 2014-07-24 2014-12-10 深圳大学 Shape memory polymer based on betaine and preparation method of shape memory polymer
CN105524289A (en) * 2015-11-26 2016-04-27 哈尔滨工业大学 Preparation method and application of shape memory polyurethane film laminating solution

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0834067A (en) * 1994-07-22 1996-02-06 Shin Etsu Polymer Co Ltd Shape memory paper
CN104193893A (en) * 2014-07-24 2014-12-10 深圳大学 Shape memory polymer based on betaine and preparation method of shape memory polymer
CN105524289A (en) * 2015-11-26 2016-04-27 哈尔滨工业大学 Preparation method and application of shape memory polyurethane film laminating solution

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018076278A1 (en) * 2016-10-28 2018-05-03 深圳大学 Shape memory plastic paper, preparation method therefor and application thereof
CN110563906A (en) * 2019-08-15 2019-12-13 深圳大学 Shape memory polyurethane and preparation method and application thereof
CN110563906B (en) * 2019-08-15 2021-11-16 深圳大学 Shape memory polyurethane and preparation method and application thereof

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