水性聚氨酯
- 网络wpu;pud;wpua
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水性聚氨酯(WPU)是以水代替有机溶剂作为分散介质的新型聚氨酯体系,结合了溶剂型聚氨酯的高性能和水性乳液的低VOC含量,是优异的环境友好型材料。
WPU is a novel PU system dispersed into water instead of organic solvents , so it is a kind of environmentally friendly materials which combines the high performance of solvent-type PU with little or no volatile organic compounds ( VOCs ) .
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水性聚氨酯材料在使用过程中易发生火灾,容易造成重大的人员伤亡事故。
The WPU material is easy to fire , likely to cause major personnel casualties in the use .
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基于HIT的可UV固化水性聚氨酯的合成与性能研究
Synthesis and performance study of UV-curable water-borne PU based on HIT
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水性聚氨酯丙烯酸酯预聚物UV固化的涂膜性能研究
Study on Water Soluble Prepolymer UV Cure and Its Coating Film Behaviour
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淀粉基可生物降解水性聚氨酯的合成及其NMR研究
Synthesis and NMR Studies of Starch-Based Biodegradable Water-Borne Polyurethane
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水性聚氨酯及纳米SiO2/WPU复合材料制备与表征
Preparation and Study on Waterborne Polyurethane and SiO_2 / WPU Nanocomposites
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测试结果表明,水性聚氨酯经纳米二氧化硅click改性后,其热稳定性、耐水性、耐候性、硬度等性能得到改善。
The properties of click modified WPUs such as thermal stability , water resistance , weather resistance and hardness of WPUs were improved .
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阳离子水性聚氨酯固色剂LH的合成与应用
Synthesis and application of cationic waterborne polyurethane fixing agent LH
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亲水链段PEG分子量对水性聚氨酯浇铸膜结晶性的影响
Effect of PEG Molecular Weight in Hydrophilic-segment on the Crystallization of Cast Film of Water-borne Polyurethane
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采用丙烯酸树脂(PA或PA′)对水性聚氨酯(PU)改性,研究了丙烯酸树脂改性的水性聚氨酯的性能与结构。
The property and structure of water-borne polyurethane modified with acrylic resin was studied in this paper .
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探讨了肼基、酰胺基的含量对水性聚氨酯(PU)乳液、苯丙(PA)乳液性能的影响以及交联反应对漆膜性能的影响。
The effect of the content of the keto group and the hydrazine group and the crosslinking reaction on the emulsions was discussed .
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HDI三聚体改性水性聚氨酯复合分散体的研究
Research on HDI Trimer Modified Hybrid Waterborne Polyurethane Dispersion
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采用新型催化剂合成Span及其乳化性能的研究乳化工艺对水性聚氨酯乳液及性能的影响
Study on Synthesis of Fatty Acid Esters of Sorbitan Using New Catalyst System and Their Emulsification ; Effects of Shear Emulsification Process on Waterborne Polyurethane Emulsion and Film Properties
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胶膜的ATR红外光谱表现为水性聚氨酯典型的红外特征。
The ATR IR spectrum of the membrane was demonstrated to be that typical to waterborne polyurethanes .
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研究水性聚氨酯(PU)弹性树脂、水性聚氨酯/丙烯酸酯(PU/PA)复合弹性树脂及其建筑防水涂料的合成与制备。
Study has been made on synthesis and preparation of aqueous polyurethane ( polyurethane / polyacrylate ) elastic resin and its architectural waterproof coating .
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实验证明:水性聚氨酯乳液聚合破乳方法包覆RDX,能够显著提高RDX的钝感性能。
Experiments proved that coating RDX by polymerization-depositing WPU latex can enhance the desensitization performance of RDX .
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所制备的高固含量水性聚氨酯表现出优越的粘接性能,未加固化剂的单组分水性聚氨酯剥离强度(PVC/PVC)高达8.8N/mm。
Without external cure agents , the unique one-component waterborne polyurethane displays excellent adhesive properties , T-peel strength test ( PVC / PVC ) yielded a maximum value of 8.8N/mm .
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TMP含量的增加可有效改善水性聚氨酯胶膜的耐水性和力学性能,但是w(TMP)大于2.0%时,乳液趋于不稳定。
Increasing TMP content can improve water resistance and mechanical property of WPU films , the proper w ( TMP ) is 2 % .
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主要研究了SiO2/水性聚氨酯(WPU)无机-有机纳米复合物的制备方法。
Preparation of silica / waterborne polyurethane ( WPU ) inorganic organic nanocomposites was studied .
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适度交联对水性聚氨酯压敏胶性能的影响增黏树脂与弹性体SBS的相容性以及与热熔压敏胶性能的关系
EFFECT OF SUITABLE CROSSLINKING ON PROPERTIES OF WATERBORNE POLYURETHANE PRESSURE-SENSITIVE ADHESIVE Compatibility between tackifying resins and elastomer SBS as well as their relation to HMPSA performance
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用丙酮分别和乙二胺、己二胺反应制备酮亚胺,并以其作为潜伏性扩链剂改善水性聚氨酯(PU)的性能。
Ketimine , which is prepared by acetone and ethylene diamine or hexamethylene diamine was used as potential chain extender to improve the properties of aqueous polyurethane resin .
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水性聚氨酯的合成及其对CL-20的包覆
Synthesis of Waterborne Polyurethane and Its Coating on CL-20
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水性聚氨酯乳液可作为包覆壁材应用于NEPE推进剂中。
So latex of waterborne polyurethane can be used as cliff material to coat stuffing in NEPE propellant .
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水性聚氨酯与PVDF基疏水涂层的制备、结构及性能2.对一种PVDF涂层的聚酯纤维膜材进行实验研究。
Synthesis , Characterization and Performances of Waterborne Polyurethane Coatings and PVDF Based Hydrophobic Coatings 2 . A kind of PVDF membrane material was experimentally studied .
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水性聚氨酯(WPU)胶黏剂是聚氨酯溶于水或分散在水中形成的胶粘剂。
Waterborne polyurethane ( WPU ) adhesive is prepared by dispersing polyurethane particles in the media of water .
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讨论了聚氨酯(PU)的合成、“封闭”、“解封”以及聚氨酯与纤维羟基之间的反应对封闭型水性聚氨酯纸张的增强作用;
This paper discussed the synthesis , blocking and unblocking of polyurethane as well as the effect of blocked polyurethane reacting with fiber hydroxyl on its performance for improving paper strength .
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由聚醚,甲苯二异氰酸酯(TDI),二羟甲基丙酸(DMPA)等为原料制备水性聚氨酯乳液胶粘剂。
An Aqueous polyurethane emulsion was prepared from polyether glycol , diisocyantotolucl ( TDI ) and dimethylol propionic acid ( DMPA ) etc.
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结果表明:预聚体的NCO含量不同即硬段含量不同对阳离子型水性聚氨酯的微相结构和阻尼行为有很大的影响。
It is found that different NCO contents had a great influence on the microphase morphology and damping property of polyurethane dry films .
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以水性聚氨酯PU为种子,加入丙烯酸酯单体进行无皂乳液聚合,合成了聚氨酯/聚丙烯酸酯(PUA)复合乳液。
Polyurethane / Polyacrylate ( PUA ) hybrid latexes were prepared by seeded surfactant-free emulsion polymerization , the polyurethane aqueous dispersions were used as seed particles .
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在阴离子水性聚氨酯体系中,首先讨论了交联剂三羟甲基丙烷(TMP)用量对乳液耐介质性能和胶膜力学性能的影响。
In anionic waterborne polyurethane system , the effects of the crosslinking agent content on medium-resistance properties of emulsion and mechanical properties of the film were studied .