WO2018076278A1 - 一种形状记忆塑料纸及其制备方法和应用 - Google Patents

一种形状记忆塑料纸及其制备方法和应用 Download PDF

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WO2018076278A1
WO2018076278A1 PCT/CN2016/103755 CN2016103755W WO2018076278A1 WO 2018076278 A1 WO2018076278 A1 WO 2018076278A1 CN 2016103755 W CN2016103755 W CN 2016103755W WO 2018076278 A1 WO2018076278 A1 WO 2018076278A1
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shape memory
paper
surfactant
memory plastic
plant fiber
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PCT/CN2016/103755
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English (en)
French (fr)
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陈少军
卓海涛
文豪
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深圳大学
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Priority to PCT/CN2016/103755 priority Critical patent/WO2018076278A1/zh
Publication of WO2018076278A1 publication Critical patent/WO2018076278A1/zh

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • C08L75/06—Polyurethanes from polyesters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • C08L75/14—Polyurethanes having carbon-to-carbon unsaturated bonds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L97/00—Compositions of lignin-containing materials
    • C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse

Definitions

  • the invention belongs to the field of composite materials, and in particular relates to a shape memory plastic paper and a preparation method and application thereof.
  • Paper is an important material used in text recording at home and abroad.
  • the universal use of paper not only promotes the rapid growth of books and literature and the spread of science and culture, but also promotes the development and prosperity of calligraphy art and the change of Chinese fonts. Since ancient times, paper has three main functions of recording, packaging and wiping. Plain paper does not have stimulating response characteristics.
  • the technical problem to be solved by the present invention is to provide a shape memory plastic paper and a preparation method and application thereof, aiming to provide a functional paper having a shape memory function, expanding the application range of the functional paper and improving the performance of the shape memory polymer. , rich in shape memory material types.
  • the present invention is achieved by a shape memory plastic paper comprising a shape memory polymer, a vegetable fiber paper, and a surfactant.
  • the mass ratio of the shape memory polymer, the vegetable fiber paper and the surfactant is 10 to 50:10 to 50:1 to 10.
  • the shape memory polymer comprises at least one of a polyurethane, a DMAPS-co-AA copolymer.
  • the surfactant is an ionic surfactant, an anionic surfactant, a cationic surfactant or a zwitterionic surfactant.
  • the shape memory plastic paper has a thickness of 0.05 to 0.2 mm.
  • the invention also provides a preparation method of the above shape memory plastic paper, comprising the following steps:
  • the soaked plant fiber paper is taken out, flattened, and the plant fiber paper is controlled to have a liquid absorption of 10% by weight to 200% by weight, and then dried.
  • the shape memory polymer solution has a mass concentration of 1 to 20% by weight.
  • the aqueous solution of the surfactant has a mass concentration of 1 to 10% by weight.
  • drying and drying temperatures are both 50 to 80 °C.
  • the present invention also provides an application of the shape memory plastic paper described above for use in the preparation of textiles, toys, medical supplies or stationery.
  • the present invention has the beneficial effects that the shape memory plastic paper provided by the embodiment of the invention is a composite material of a shape memory polymer and a plant fiber paper, and has a large deformation amount and a processing deformation according to the shape memory polymer.
  • Low cost, easy recovery of shape recovery temperature, etc. the surfactant ion and plant fiber form a better sucking effect, while the other end of the molecular chain will form a good compatibility with the polymer, the shape memory polymer and
  • the plant fiber is compounded together to achieve a good sucking effect of the shape memory polymer and the plant fiber, so that the plant fiber paper has a corresponding shape memory function.
  • the functional paper of shape memory plastic paper provided by the embodiment of the invention can fix the temporary shape and can return to the original shape under certain external stimulation conditions.
  • Example 1 is an SEM image of a shape memory plastic paper provided in Example 1 of the present invention.
  • FIG. 2a is a schematic view showing the comparison of the mechanical properties of the shape memory plastic paper provided by the embodiment 2 of the present invention and the vegetable fiber paper which is not subjected to the test operation in the vertical grain direction
  • FIG. 2b is a schematic view showing the comparison of the mechanical properties in the horizontal grain direction
  • FIG. 3a is a schematic view showing the initial shape of the complex shape memory plastic paper provided in Embodiment 3 of the present invention
  • FIG. 3b is a schematic view showing the shape of the complex shape memory plastic paper after being deformed and folded at 80 ° C;
  • FIG. 4 is a schematic view showing the shape recovery process of the shape memory plastic paper provided in Embodiment 3 of the present invention during the temperature rising process.
  • Embodiments of the present invention provide a shape memory plastic paper comprising a shape memory polymer, a vegetable fiber paper, and a surfactant.
  • the shape memory plastic paper provided by the embodiment of the invention is a composite material of a shape memory polymer and a plant fiber paper, and the surface memory polymer has the advantages of large deformation amount, processing deformation, low cost, easy shape adjustment temperature, and the like.
  • the active agent ion forms a good sucking effect with the plant fiber, and the other end of the molecular chain will form a good compatibility with the polymer, and the shape memory polymer is compounded with the plant fiber to realize the shape memory polymer and The good sucking effect of the plant fiber, so that the plant fiber paper has a corresponding shape memory function.
  • the functional paper of shape memory plastic paper provided by the embodiment of the invention can fix the temporary shape and can return to the original shape under certain external stimulation conditions.
  • the mass ratio of the shape memory polymer, the plant fiber paper, and the surfactant is 10 to 50:10 to 50:1 to 10.
  • the shape memory polymer includes polyurethane, DMAPS-co-AA At least one of a copolymer (DMAPS: N,N-dimethyl(methacryloyloxyethyl)ammonium propanesulfonic acid inner salt, co: copolymerization, AA: acrylic acid).
  • the surfactant is an anionic surfactant or a cationic surfactant.
  • the shape memory plastic paper has a thickness of 0.05 to 0.2 mm.
  • the embodiment of the invention further provides a method for preparing the above shape memory plastic paper, comprising the following steps:
  • the soaked plant fiber paper is taken out, flattened, and the plant fiber paper is controlled to have a liquid absorption of 10% by weight to 200% by weight, and then dried.
  • the solvent in the shape memory polymer solution is dimethylformamide, tetrahydrofuran or dimethyl sulfoxide, and the solution has a mass concentration of 1 to 20% by weight.
  • the aqueous solution of the surfactant has a mass concentration of 1 to 10% by weight.
  • the drying and drying temperatures are both 50 to 80 °C.
  • the mass concentration of the shape memory polymer solution is too low, the paper sucks less on the polymer; the higher the concentration, the more the paper absorbs the polymer; the higher the surfactant concentration is beneficial to the polymer adsorption, the polymer
  • Embodiments of the present invention also provide an application of the shape memory plastic paper described above, which is to use the shape memory plastic paper for the preparation of textiles, toys, medical supplies or stationery.
  • a novel shape memory polyurethane/paper composite prepared mainly from a composite of 50 parts by weight of shape memory polyurethane resin, 40 parts by weight of dust-free paper, and 10 parts by weight of sodium dodecylbenzene sulfonate (SD);
  • the memory polyurethane uses 65 wt% of a weight fraction of polybutylene adipate as a soft segment phase, and 35 wt% of a hard segment phase composed of diphenylmethane diisocyanate and butanediol.
  • the specific preparation method is as follows: 1) firstly dissolving shape memory polyurethane (SMPU) in N, N-dimethylformamide (DMF) solvent to prepare 10 wt% SMPU/DMF solution for use; 2) dust-free paper at 10 wt% Soak for 20 minutes in an aqueous solution of sodium dodecylbenzene sulfonate and dry at 80 ° C; 3) soak the dried dust-free paper in SMPU/DMF solution for 30 minutes; 4) after soaking The dust-free paper is taken out, flattened with a glass rod, and the liquid absorption amount of the plant fiber paper is controlled; 5) the dust-free paper is dried in a blast oven at 80 ° C to obtain a composite material of SMPU/paper, which is a shape memory plastic.
  • SMPU shape memory polyurethane
  • DMF N, N-dimethylformamide
  • the special paper of the dust-free paper is loose, has many holes, and has less impurities.
  • the SEM image (electron scanning image) of the surface of the dust-free paper fiber (ie composite material) treated by SMPU is shown in Figure 1. Compared with the original fiber surface, the polymer is clearly observed to adhere to the fiber surface. Formed a solid SMPU/paper composite.
  • a novel shape memory copolymer/paper composite material mainly prepared by compounding 50 parts by weight of shape memory polyurethane resin, 45 parts by weight of printing paper and 5 parts by weight of sodium dodecylbenzene sulfonate (SD).
  • the memory copolymer is mainly composed of 80 wt% of a weight fraction of N,N-dimethyl(methacryloyloxyethyl)ammonium propanesulfonic acid inner salt (DMAPS) and 20 wt% of a weight fraction of acrylic acid (AA).
  • DMAPS N,N-dimethyl(methacryloyloxyethyl)ammonium propanesulfonic acid inner salt
  • AA acrylic acid
  • the specific preparation method is as follows: 1) First put DMAPS-co-AA The copolymer is dissolved in deionized water to prepare a 10 wt% solution for use; 2) the printing paper is immersed in an aqueous solution containing 10 wt% sodium dodecylbenzene sulfonate for 20 minutes, and dried at 50 ° C for standby; 3) dried The printed paper is immersed in DMAPS-co-AA aqueous solution for 20 minutes; 4) the immersed printing paper is taken out, and flattened with a glass rod to control the liquid absorption of the vegetable fiber paper; 5) blast oven at 80 ° C The medium is dried and printed, that is, the shape memory copolymer/paper composite material is a shape memory plastic paper.
  • the mechanical properties of the prepared shape memory copolymer/paper composite compared to paper are shown in Figures 2a and 2b.
  • the paper before the shape memory polymer treatment has an elongation at break of about 10% in the horizontal grain direction and an elongation at break of about 20% in the direction of the vertical grain, after the shape memory copolymer is processed, in the horizontal grain direction.
  • the elongation at break is increased to 50%, and the breaking strength is also shown to increase; while the elongation at break in the direction of the vertical grain is increased to 40%.
  • the mechanical properties test results show that the mechanical strength and elongation at break of the composites are significantly improved after the introduction of the polymer.
  • a novel zwitterionic shape memory polyurethane/paper composite mainly comprising 50 parts by weight of zwitterionic shape memory polyurethane and 25 parts by weight of neutral filter paper, the zwitterionic shape memory polyurethane mainly composed of N-methyldiethanolamine ( MDEA), hexamethylene diisocyanate (HDI), 1,4-butanediol (BDO), and Prepared from 1,3-propyl sultone (PS), containing 50% by weight of MDEA-PS content, 50% by weight HDI-BDO content.
  • MDEA N-methyldiethanolamine
  • HDI hexamethylene diisocyanate
  • BDO 1,4-butanediol
  • PS 1,3-propyl sultone
  • the specific preparation method of the zwitterionic shape memory polyurethane/paper composite is as follows: 1) dissolving the zwitterionic shape memory polyurethane in DMF to prepare a 10 wt% solution for use; 2) the neutral filter paper in the zwitterionic shape memory polyurethane solution. Soak for 15 minutes; 4) Remove the zwitterionic shape memory polyurethane after soaking, smooth it with a glass rod, and control the amount of liquid absorption; 5) Dry the neutral filter paper in a blast oven at 80 ° C to obtain a zwitterionic shape.
  • Memory polyurethane/paper composite which is shape memory plastic paper.
  • a rectangular spline is cut out from the prepared zwitterionic shape memory polyurethane/paper composite material, as shown in Fig. 3a; the paper strip is deformed at 80 ° C and then cooled and fixed at 20 ° C to obtain the shape shown in Fig. 3b.
  • Good shape fixing performance Fixed folded paper strips placed at temperatures above 50 Under the °C environment, it can be clearly seen that the paper strip gradually recovers from the temperature as the temperature rises, as shown in Fig. 4. Finally, it can be completely restored to the original shape at 80 °C, showing better shape recovery effect, indicating The prepared zwitterionic shape memory polyurethane/paper composite has better heat-induced shape memory properties.

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  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
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Abstract

一种形状记忆塑料纸及其制备方法和应用，形状记忆塑料纸包括形状记忆聚合物、植物纤维纸及表面活性剂。该形状记忆塑料纸，依据形状记忆聚合物的变形量大、加工变形、成本低、形状恢复温度容易调节等优点，利用表面活性剂将形状记忆聚合物与植物纤维质复合在一起，从而使植物纤维纸具有相应的形状记忆功能。该形状记忆塑料纸，能固定临时形状，在一定外界刺激条件下，又能恢复到初始形状。

Description

一种形状记忆塑料纸及其制备方法和应用 技术领域
本发明属于复合材料领域，尤其涉及一种形状记忆塑料纸及其制备方法和应用。
背景技术
纸是国内外应用于文字记录的重要材料，纸的普遍使用，不但促进了书籍文献资料的快速增长和科学文化的传播，而且促进书法艺术的发展、繁荣和汉字字体的变迁。自古以来，纸主要具有记录、包装、擦试三大功能，普通纸不具有刺激响应特性。
近年来，功能纸，即在纸张原有性能的基础上增添功能的一种新型纸，成为一种重要的片状新材料。人们可以通过使用功能性纤维原料、功能性填料、纸加工、印刷等方法，或利用纳米技术、微胶囊技术、微流控技术等尖端科技赋予纸张除臭、抗菌、耐热、导电、催化等功能。因此，功能纸作为一种新型材料已经引起了医疗、生物、能源、电子技术等领域的广泛关注，同时也渗透到人们生活的各个方面。
然而，目前研究的功能纸中，并没有研究报道具有形状记忆功能的功能纸。
 技术问题
本发明所要解决的技术问题在于提供一种形状记忆塑料纸及其制备方法和应用，旨在提供一种具有形状记忆功能的功能纸，拓展功能纸的应用范围，同时改善形状记忆聚合物的性能，丰富形状记忆聚合物材料的种类。
技术解决方案
本发明是这样实现的，一种形状记忆塑料纸，所述形状记忆塑料纸包括形状记忆聚合物、植物纤维纸及表面活性剂。
进一步地，所述形状记忆聚合物、植物纤维纸及表面活性剂的质量比为10~50:10~50:1~10。
进一步地，所述形状记忆聚合物包括聚氨酯、DMAPS-co-AA 共聚物中的至少一种。
进一步地，所述表面活性剂为离子型表面活性剂为阴离子型表面活性剂、阳离子型表面活性剂或两性离子表面活性剂。
进一步地，所述形状记忆塑料纸的厚度为0.05~0.2mm。
本发明还提供了一种上述的形状记忆塑料纸的制备方法，包括以下步骤：
配制形状记忆聚合物溶液和表面活性剂水溶液；
将植物纤维纸置于所述表面活性剂水溶液中浸泡10～30分钟，并烘干；
将烘干后的植物纤维纸在所述形状记忆聚合物溶液中浸泡10～30分钟；
把浸泡处理后的植物纤维纸取出，刮平，控制所述植物纤维纸的吸液量为10wt%～200wt%，然后干燥。
进一步地，所述形状记忆聚合物溶液的质量浓度为1～20wt%。
进一步地，所述表面活性剂水溶液的质量浓度为1～10wt%。
进一步地，所述烘干及所述干燥的温度均为50～80℃。
本发明还提供了一种上述的形状记忆塑料纸的应用，所述应用为将所述形状记忆塑料纸用于制备纺织品、玩具、医疗用品或文具。
 有益效果
本发明与现有技术相比，有益效果在于：本发明实施例提供的形状记忆塑料纸，为形状记忆聚合物与植物纤维纸的复合材料，依据形状记忆聚合物的变形量大、加工变形、成本低、形状恢复温度容易调节等优点，利用表面活性剂离子与植物纤维形成较好的吸咐作用，而另一端分子链将与聚合物形成较好的相容性，将形状记忆聚合物与植物纤维质复合在一起，实现形状记忆聚合物与植物纤维的良好吸咐效果，从而使植物纤维纸具有相应的形状记忆功能。本发明实施例提供的形状记忆塑料纸这一功能纸，能固定临时形状，在一定外界刺激条件下，又能恢复到初始形状。
附图说明
图1是本发明实施例1提供的形状记忆塑料纸的SEM图；
图2a是本发明实施例2提供的形状记忆塑料纸与未进行试验操作的植物纤维纸在垂直纹路方向上的力学性能比较示意图，图2b是其在水平纹路方向上的力学性能比较示意图；
图3a是本发明实施例3提供的复形状记忆塑料纸的初始形状示意图，图3b是其在80℃变形折叠后在20℃冷却固定后的形状示意图；
图4是本发明实施例3提供的形状记忆塑料纸在升温过程中形状恢复过程示意图。
 本发明的实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
本发明实施例提供了一种形状记忆塑料纸，所述复合材料包括形状记忆聚合物、植物纤维纸及表面活性剂。
本发明实施例提供的形状记忆塑料纸，为形状记忆聚合物与植物纤维纸的复合材料，依据形状记忆聚合物的变形量大、加工变形、成本低、形状恢复温度容易调节等优点，利用表面活性剂离子与植物纤维形成较好的吸咐作用，而另一端分子链将与聚合物形成较好的相容性，将形状记忆聚合物与植物纤维质复合在一起，实现形状记忆聚合物与植物纤维的良好吸咐效果，从而使植物纤维纸具有相应的形状记忆功能。本发明实施例提供的形状记忆塑料纸这一功能纸，能固定临时形状，在一定外界刺激条件下，又能恢复到初始形状。
具体地，所述形状记忆聚合物、植物纤维纸及表面活性剂的质量比为10~50:10~50:1~10。在本发明的技术方案中，当形状记忆聚合物含量多时，复合材料的形状记忆性能及力学性能优异，表面活性剂用量提高有利于聚合物的吸咐。所述形状记忆聚合物包括聚氨酯、DMAPS-co-AA 共聚物（DMAPS：N，N-二甲基（甲基丙烯酰氧乙基）铵基丙磺酸内盐，co：共聚，AA：丙烯酸）中的至少一种。所述表面活性剂为阴离子型表面活性剂或阳离子型表面活性剂。
具体地，所述形状记忆塑料纸的厚度为0.05~0.2mm。
本发明实施例还提供了一种上述形状记忆塑料纸的制备方法，包括以下步骤：
配制形状记忆聚合物溶液和表面活性剂水溶液；
将植物纤维纸置于所述表面活性剂水溶液中浸泡10～30分钟，并烘干；
将烘干后的植物纤维纸在所述形状记忆聚合物溶液中浸泡10～30分钟；
把浸泡处理后的植物纤维纸取出，刮平，控制所述植物纤维纸的吸液量为10wt%～200wt%，然后干燥。
具体地，所述形状记忆聚合物溶液中的溶剂为二甲基甲酰胺、四氢呋喃或二甲基亚砜，所述溶液的质量浓度为1～20wt%。所述表面活性剂水溶液的质量浓度为1～10wt%。所述烘干及所述干燥的温度均为50～80℃。形状记忆聚合物溶液的质量浓度太低，纸对聚合物的吸咐量较少；浓度较高，纸对聚合物的吸咐量增加；表面活性剂质量浓度高有利于聚合物吸附，聚合物吸咐量越多，所需表面活性剂浓度越大；干燥温度随所选用溶剂不同而不同。
本发明实施例还提供了一种上述形状记忆塑料纸的应用，所述应用为将所述形状记忆塑料纸用于制备纺织品、玩具、医疗用品或文具。
实施例1
一种新型形状记忆聚氨酯/纸复合材料，主要由50份重量的形状记忆聚氨酯树脂、40份重量的无尘纸以及10份重量的十二烷基苯磺酸钠(SD)复合制备；该形状记忆聚氨酯采用65wt%重量分数的聚己二酸丁二醇酯为软段相，35wt%重量分数由二苯基甲烷二异氰酸酯及丁二醇构筑的硬段相。具体制备方法如下：1）先把形状记忆聚氨酯（SMPU）溶解于N,N-二甲基甲酰胺(DMF)溶剂中配成10wt%的SMPU/DMF溶液备用；2）无尘纸在10wt%浓度的十二烷基苯磺酸钠的水溶液中浸泡20分钟，并80℃烘干备用；3）将烘干后的无尘纸在SMPU/DMF溶液中浸泡30分钟；4）把浸泡处理后的无尘纸取出，用玻璃棒刮平，控制植物纤维纸的吸液量；5）在80℃鼓风烘箱中烘干无尘纸，即得SMPU/纸的复合材料，即为形状记忆塑料纸。所述无尘纸特殊的植物纸，疏松，孔洞多，杂质少。经SMPU处理后的无尘纸纤维（即复合材料）表面的SEM图（电子扫描显像图）如图1所示，与原始纤维表面相比，可以明显观察到聚合物牢固粘附在纤维表面，形成了稳固的SMPU/纸的复合材料。
实施例2
一种新型形状记忆共聚物/纸复合材料，主要由50份重量的形状记忆聚氨酯树脂、45份重量的打印纸以及5份重量的十二烷基苯磺酸钠(SD)复合制备，该形状记忆共聚物主要采用80wt%重量分数的N，N-二甲基（甲基丙烯酰氧乙基）铵基丙磺酸内盐（DMAPS）和20wt%重量分数的丙烯酸（AA）共聚而成。具体制备方法如下：1）先把DMAPS-co-AA 共聚物溶解于去离子水中配成10wt%的溶液备用；2）打印纸在含10wt%十二烷基苯磺酸钠的水溶液中浸泡20分钟，并50℃烘干备用；3）将烘干后的打印纸在DMAPS-co-AA水溶液中浸泡20分钟；4）把浸泡处理后的打印纸取出，用玻璃棒刮平，控制植物纤维纸的吸液量；5）在80℃鼓风烘箱中烘干打印纸，即得形状记忆共聚物/纸复合材料，即为形状记忆塑料纸。所制备的形状记忆共聚物/纸复合材料与纸对比的力学性能测试如图2a和图2b所示。没有经形状记忆聚合物处理之前的纸在水平纹路方向的断裂伸长率约10%,而在垂直纹路方向上的断裂伸长率约20%，经形状记忆共聚物处理后，水平纹路方向的断裂伸长率提升至50%，断裂强度也显示提高；而垂直纹路方向的断裂伸长率提升至40%。力学性能测试结果表明，聚合物引入后，显著提高了复合材料的力学强度及断裂伸长率。
实施例3
一种新型两性离子形状记忆聚氨酯/纸复合材料，主要包含50份重量的两性离子形状记忆聚氨酯与25份重量的中性过滤纸制备，该两性离子形状记忆聚氨酯主要由N-甲基二乙醇胺（MDEA），六亚甲基二异氰酸酯（HDI），1，4-丁二醇（BDO），以及 1，3-丙基磺酸内酯（PS）制备而成，含50wt% MDEA-PS含量，50wt% HDI-BDO含量。两性离子形状记忆聚氨酯/纸复合材料的具体制备方法如下：1）先把两性离子形状记忆聚氨酯溶解于DMF中配成10wt%的溶液备用；2）中性过滤纸在两性离子形状记忆聚氨酯溶液中浸泡15分钟；4）把浸泡处理后的两性离子形状记忆聚氨酯取出，用玻璃棒刮平，控制吸液量；5）在80℃鼓风烘箱中烘干中性过滤纸，即得两性离子形状记忆聚氨酯/纸复合材料，即为形状记忆塑料纸。从制备的两性离子形状记忆聚氨酯/纸复合材料中剪出一条长方形样条，如图3a所示；纸样条80℃变形折叠后在20℃冷却固定后的得到如图3b所示的形状，具有较好形状固定性能。固定后的折叠的纸样条放在温度高于50 ℃环境下，可以明显看到纸样条随着温度升高，逐步发生热致形状恢复，如图4所示，最后在80℃条件下可以完全恢复到初始形状，表现较好形状恢复效果，表明所制备的两性离子形状记忆聚氨酯/纸复合材料具有较好的热致形状记忆性能。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种形状记忆塑料纸，其特征在于，所述形状记忆塑料纸包括形状记忆聚合物、植物纤维纸及表面活性剂。
  2. 如权利要求1所述的形状记忆塑料纸，其特征在于，所述形状记忆聚合物、植物纤维纸及表面活性剂的质量比为10~50:10~50:1~10。
  3. 如权利要求1所述的形状记忆塑料纸，其特征在于，所述形状记忆聚合物包括聚氨酯、DMAPS-co-AA 共聚物中的至少一种。
  4. 如权利要求1所述的形状记忆塑料纸，其特征在于，所述表面活性剂为离子型表面活性剂为阴离子型表面活性剂、阳离子型表面活性剂或两性离子表面活性剂。
  5. 如权利要求1所述的形状记忆塑料纸，其特征在于，所述形状记忆塑料纸的厚度为0.05~0.2mm。
  6. 一种如权利要求1至5任意一项所述的形状记忆塑料纸的制备方法，其特征在于，包括以下步骤：
    配制形状记忆聚合物溶液和表面活性剂水溶液；
    将植物纤维纸置于所述表面活性剂水溶液中浸泡10～30分钟，并烘干；
    将烘干后的植物纤维纸在所述形状记忆聚合物溶液中浸泡10～30分钟；
    把浸泡处理后的植物纤维纸取出，刮平，控制所述植物纤维纸的吸液量为10wt%～200wt%，然后干燥。
  7. 如权利要求6所述的制备方法，其特征在于，所述形状记忆聚合物溶液的质量浓度为1～20wt%。
  8. 如权利要求6所述的制备方法，其特征在于，所述表面活性剂水溶液的质量浓度为1～10wt%。
  9. 如权利要求6所述的制备方法，其特征在于，所述烘干及所述干燥的温度均为50～80℃。
  10. 一种如权利要求1至5任意一项所述的形状记忆塑料纸的应用，其特征在于，所述应用为将所述形状记忆塑料纸用于制备纺织品、玩具、医疗用品或文具。
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Publication number Priority date Publication date Assignee Title
CN101003652A (zh) * 2007-01-10 2007-07-25 冷劲松 纤维增强形状记忆复合材料及其应用
CN101016708A (zh) * 2007-03-07 2007-08-15 冷劲松 形状记忆聚合物纸的应用及其制造方法
CN106633811A (zh) * 2016-10-28 2017-05-10 深圳大学 一种形状记忆塑料纸及其制备方法和应用

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101003652A (zh) * 2007-01-10 2007-07-25 冷劲松 纤维增强形状记忆复合材料及其应用
CN101016708A (zh) * 2007-03-07 2007-08-15 冷劲松 形状记忆聚合物纸的应用及其制造方法
CN106633811A (zh) * 2016-10-28 2017-05-10 深圳大学 一种形状记忆塑料纸及其制备方法和应用

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