聚氨酯预聚体

该胶以端异氰酸酯基聚氨酯预聚体为A组分，以端羟基聚氨酯预聚体和其它固化剂为B组分。

Hydroxyl-Terminated polyurethane prepolymer is the mainly component of A , B is made of Isocyanate-Terminated polyurethane prepolymer and other curing agents .

低游离TDI聚氨酯预聚体的研制

Research on Low Free TDI of PU Prepolymer Volume Graphics Body Image Depression

以HDI为异氰酸酯组分，制备聚醚型脂肪族聚氨酯预聚体。

Using HDI as isocyanate component , aliphatic polyether PU prepolymer was prepared .

制备聚氨酯预聚体用的聚醚多元醇，其官能度一般为2-3，相对分子质量在400-4000之间，异氰酸酯则使用MDI预聚物。

Polyols for making prepolymers are polyether polyols , with 2-3 functionality and molecular weight is between 400 and 4000 .

详细叙述了用气相色谱法测定聚氨酯预聚体中微量游离TDI的操作方法和技巧。

The article gave a minute description of operational method and skill in measuring trace free TDI in polyurethane prepolymer by gas chromatography .

研究了以含柔性链的多元醇及甘油、蓖麻油等与多异氰酸酯（TDI）合成的聚氨酯预聚体对环氧树脂的改性。

In this paper the epoxy resin modified by polyurethane synthesised by diethylene glycol and toluene-2,4-diisocyanate ( TDI ) or glycerol castor oil and TDI has been studied .

通过聚氨酯预聚体法合成出硅烷KH-550封端的聚氨酯热熔胶（SPUR），并制备了一系列不同封端率的硅烷化聚氨酯热熔胶。

Silylated hot melt moisture cured polyurethane adhesive ( SPUR ) was prepared with KH-550 , and a series of polymer was synthesized with different silane ending ratio .

研究了聚氨酯预聚体合成过程中，TDI滴加速度、NCO/OH（当量比）和PPG分子量等因素的影响。

Influences of drop-velocity of TDI , NCO / OH ( equivalent ratio ) and the molecular weight of PPG in the synthesis Process of urethane-prepolymers were studied .

红外光谱（FTIR）表明异氰酸酯封端的聚氨酯预聚体与环氧树脂中的仲羟基完全反应，同时考察了活性稀释剂用量对树脂黏度的影响及固化过程中温度的变化。

The FTIR indicates that the reaction between isocyanate group-terminated PU prepolymer and the secondary hydroxy in epoxy resin has completed . Effect of PU content on viscosity of resin and the change of temperature in curing process was investigated .

对反应条件的研究结果表明，优化的反应条件为：合成亲水性聚氨酯预聚体时，甲苯二异氰酸酯（TDI）与聚醚多元醇（PPG）的反应温度70℃，-NCO/-OH的摩尔比2.4～3.5；

Results showed that the appropriate reaction temperature is 70 ℃, and the suitable molar ratio of - NCO to - OH is 2.4 ~ 3.5 when tolylene diisocyanate ( TDI ) reacted with polyoxypropylene glycol ( PPG ) .

影响聚醚型聚氨酯预聚体合成的因素

The Factors that Influence Synthesis of Polyether - Polyol Polyurethane Prepolymer

大豆油基聚氨酯预聚体的制备及其性能研究

Preparation and Properties of Soya Bean Oil Based Polyurethane Prepolymer

聚氨酯预聚体的合成及其在木材粘接领域的应用

Synthesis of Polyurethane Prepolymers and Their Application in Wood Adhesion

有机硅与聚氨酯预聚体或甲基丙烯酸丁酯化学共混物的相结构

Phase structures of blends - of polysiloxane and polyurethane prepolymer or butyl methacrylate

聚氨酯预聚体对涤纶的亲水整理及其效果评定

Hydrophilic Finishing of Polyester Fibre with Urethane Prepolymer and Its Finishing Effect Estimation

使用该聚氨酯预聚体对环氧树脂进行了改性。

The epoxy resin was modified by the polyurethane .

本文研究了聚氨酯预聚体的合成工艺。

In this study , the synthetic technology of different polyurethane prepolymers was investigated .

端异氰酸酯基聚氨酯预聚体的合成与表征聚氨酯预聚体中异氰酸酯基团含量的测定

Content Test of Isocyanate Group in Polyurethane Prepolymer

通过使用，表明该类相容剂能使石油沥青与聚氨酯预聚体有很好的相容性。

Its practice shows the compatilizers of this kind can make and polyurethane well compatible .

端氨基聚（醚-氨酯-酰胺）配体及磁共振成像造影剂研究端异氰酸酯基聚氨酯预聚体的合成与表征

Studies on amino group terminated poly ( etherurethane-amide ) ligand and magnetic resonance imaging contrast agent

本文利用丙烯酸酯与带有活性官能团的聚氨酯预聚体反应，生成了水分散的丙烯酸酯改性聚氨酯分散体。

The acrylate-modified waterborne polyurethane dispersion was prepared through reaction of acrylate and polyurethane prepolymer with reactive groups .

用甲苯二异氰酸酯和聚醚多元醇合成了聚氨酯预聚体，并讨论了异氰酸根含量、反应温度、催化剂用量对预聚体质量的影响。

The influences of the isocyanate content 、 reaction temperature and catalyst amount were discussed on prepolymer performance .

通过聚氨酯预聚体和环氧丙烯酸酯反应，制备了一种改性环氧丙烯酸酯灌浆材料。

Polyurethane modified epoxy acrylate resin grouting material was prepared by reaction of polyurethane prepolymer and epoxy acrylate resin .

在合成聚氨酯预聚体时，添加含有17个碳原子的长链脂肪烃的硬脂酸单甘油酯，在聚氨酯大分子侧链上引入强疏水性基团脂肪烃基。

Aliphatic alkyl saturated containing seventeen carbons as power hydrophobic group is introduced in the side chain of polyurethane .

用甲基丙烯酸羟乙酯封端的水性聚氨酯预聚体与丙烯酸酯发生聚合，制备丙烯酸酯改性水性聚氨酯分散体。

The title aqueous acrylate modified polyurethane dispersion has been prepared with acrylate and aqueous polyurethane prepolymer that is blocked with hydroxyethyl methacrylate .

聚氨酯预聚体分散体胶粒的形成与扩链结论：针对大、中学生网络成瘾的影响因素，干预时应采取综合措施。

Conclusion : Considering the influencing factors of IAD in middle school and college students , the effective comprehensive interventions should be developed .

对水性聚氨酯预聚体中异氰酸酯基团的容量测定进行了研究。

Content of isocyanate group in waterborne polyurethane prepolymer is tested with acetone as solvent , n-dibutylamine-toluene solution as reaction liquid and ethyl acetate as thinner .

本文讨论了反应温度，物质的量比和聚氨酯预聚体对乙二醇单烷基醚的封闭反应速度的影响。

The effects of reaction temperature , ratio of amount of substance , polyurethane prepolymers on rate of blocking reaction of ethylene glycol monoalkyl ethers were studied .

以异氰酸酯和多元醇为原料，合成了聚氨酯预聚体，经过扩链反应制备了自乳化水性聚氨酯聚合物。

The polymer of polyaminoester was synthesized with isocyanate and polyol as feed stock and the selfmulsifying aqueous polyaminoester was prepared through the process of expending chain .

研究了以聚氨酯预聚体为主要组分制成的密封剂中游离&NCO含量对其性能影响。

Study was made of the influence of flee - NCO contained in the sealant prepared with polyurethane prepolymer as its principal constituent on the sealant properties .