文章信息/Info

Title:

Research Progress on Polyvinyl Alcohol�睟ased Phase Change Composites

文章編號:

1674-3962(2020)03-0234-09

作者:

師文釗1; 劉瑾姝1; 2; 邢建偉1; 陸少鋒1; 馬超群1

（1. 西安工程大學(xué)紡織科學(xué)與工程學(xué)院，陜西 西安 710048）（2. 西北工業(yè)大學(xué) 空間應(yīng)用物理與化學(xué)教育部重點實驗室 陜西省高分子科學(xué)與技術(shù)重點實驗室，陜西 西安 710129）

Author(s):

SHI Wenzhao1;  LIU Jinshu1; 2;  XING Jianwei1;  LU Shaofeng1;  MA Chaoqun1

(1. School of Textile Science and Engineering, Xi’an Polytechnic University, Xi‘a(chǎn)n 710048, China) (2. The Key Laboratory of Space Applied Physics and Chemistry, Ministry of Education, the Key Laboratory of Polymer Science and Technology, Northwestern Polytechnic University, Xi‘a(chǎn)n 710129, China)

關(guān)鍵詞:

聚乙烯醇; 相變; 物理共混; 化學(xué)接枝; 纖維; 膜; 多孔材料

Keywords:

polyvinyl alcohol;  phase change;  physical blending;  chemical grafting;  fiber;  film;  porous material

分類號:

TB34

DOI:

10.7502/j.issn.1674-3962-201902015

文獻(xiàn)標(biāo)志碼:

A

摘要:

親水性聚乙烯醇（PVA）具有相對較好的可加工性、安全性及生物可降解性，被廣泛用作支撐材料，可將相變材料封裝在其三維網(wǎng)狀結(jié)構(gòu)中以解決相變組分泄露的問題并使復(fù)合材料獲得良好的導(dǎo)熱性�；�于此，綜述了分別利用分子間作用力、共價鍵將PVA基體與相變材料復(fù)合的物理共混法及化學(xué)接枝法，對比了兩種方法用于封裝相變材料的優(yōu)缺點；總結(jié)了目前PVA基相變復(fù)合材料的類型、成型方法及性能，包括經(jīng)濕法紡絲、干法紡絲及靜電紡絲等方法制備的相變復(fù)合纖維，經(jīng)物理共混法制備的相變復(fù)合膜以及經(jīng)一步法原位復(fù)合制備的相變復(fù)合多孔材料；分析了復(fù)合材料中相變組分及成型工藝等對材料結(jié)構(gòu)及相變蓄熱、力學(xué)及熱穩(wěn)定性等性能的影響；同時展望了功能化PVA基相變復(fù)合材料的研究方向及發(fā)展前景。

Abstract:

Due to the relatively better processability, safety and biodegradability, hydrophilic polyvinyl alcohol (PVA) is widely used as supporting material to encapsulate phase change materials（PCMs） in its three-dimensional network structure, to solve the problem of the leakage of phase change components and make the composites obtain good thermal conductivity. On the basis of that, the methods compounding PCMs with PVA matrix through intermolecular forces of physical blending or covalent bonds of chemical grafting were reviewed. The advantages and disadvantages of both methods for encapsulating PCMs were compared. The types, forming methods and properties of PVA-based phase change composite were summarized. It includes phase change composite fibers prepared by wet spinning, dry spinning and electrostatic spinning, phase change composite films prepared by physical blending, and phase change composite porous materials prepared by one-step in-situ compounding. The effects of phase change components and forming process on the structure, thermal properties, mechanical performance and thermal stability of composites were analyzed. The research direction and development prospect of functional PVA-based phase change composites were also pointed out.