aqueous polyurethane
水性聚氨酯
2025-06-03 01:57 浏览次数 4
水性聚氨酯
however, most of the aqueous polyurethane membrane is bad water and solvent resistance, which limits its application.
大多数水性聚氨酯涂膜耐水性、耐溶剂性等较差,限制了其应用范围。
the preparation methods for aqueous polyurethane are introduced briefly. the properties of products prepared by acetone process and prepolymer mixing process are compared.
简述水性聚氨酯制备方法,并对丙酮法和预聚物分散法所制产品性能进行比较。
the classification preparation method, performance, use and development trend of aqueous polyurethane coatings are described in detail.
详细介绍了水性聚氨酯的分类、制备方法、特性、用途及其发展方向。
the methods of modification of aqueous polyurethane are introduced from the aspects of internal and external crosslink modification respectively.
分别从内交联改性和外交联改性的角度出发,较全面的介绍了当前水性聚氨酯的交联改性方法。
synthesis techniques of aqueous polyurethane for leather finishing and influencing factors on its properties were briefly introduced.
简述了水性聚氨酯人造革涂饰剂的合成工艺,并对影响其性能的基本因素进行了分析。
the modification of aqueous polyurethane dispersion is focused on crosslinking and compounding technologies. this article has reviewed the basic theoretic and practical methods.
交联改性和复合改性是近年来水性聚氨酯改性方法研究的重点,本文综述了各种改性技术的基本理论和实施方法。
an aqueous polyurethane emulsion was prepared from polyether glycol, diisocyantotolucl(tdi) and dimethylol propionic acid(dmpa) etc.
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 adhesive was prepared from epoxy resin, toluene diisocyanate (tdi) and dimethylol propionic acid (dmpa). the product structure was characterized by infrared spectrum.
以环氧树脂、甲苯二异氰酸酯(tdi)、二羟甲基丙酸(dmpa)等为原料合成了水性聚氨酯乳液胶粘剂,用红外光谱对产物结构进行了表征。
up to now, the synthesis and study of aqueous polyurethane dyes have been rarely reported in the previous literatures.
本论文研究工作涉及水性聚氨酯染料及相关很多领域,都建立在水性聚氨酯的理论和基础上。
on basis of preliminary analysis of related literatures and materials, the continuous process for synthesising aqueous polyurethane dispersions was introduced and recommended.
根据对有关文献资料的初步分析,推介使用连续法合成聚氨酯水分散体。
a series of anionic aqueous polyurethane were prepared, which were modified with epoxy silane by outer crosslinking.
合成阴离子型水性聚氨酯,使用环氧硅烷外交联改性水性聚氨酯。
the effects of n-methyl pyrrolidinone(nmp) on viscosity and stability of aqueous polyurethane emulsion, water absorbing ratio, contacting angle of glue film and t peel strength were studied.
研究了n-甲基吡咯烷酮(nmp)对水性聚氨酯乳液的粘度、稳定性、胶膜的吸水率、接触角、复合薄膜t剥离强度的影响。
the aqueous polyurethane emulsion was prepared through to use trimethylolpropane (tmp) as cross-linkers and acrylate as modified agents by emulsion co-polymerization.
以三羟甲基丙烷等作为交联剂,采用丙烯酸酯作为改性剂合成改性水性聚氨酯乳液。
the title aqueous acrylate modified polyurethane dispersion has been prepared with acrylate and aqueous polyurethane prepolymer that is blocked with hydroxyethyl methacrylate.
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 modification of waterborne polyurethane through chain extending, crosslinking and compounding with acrylate was studied. the aqueous polyurethane wood paint was also prepared.
研究了水性聚氨酯的扩链、交联、丙烯酸酯复合等改性方法以及水性聚氨酯木器漆的研制。
a aqueous polyurethane emulsion has been prepared based on polyether polyols and toluene diisocyanate.
以聚醚多元醇和甲苯二异氰酸酯合成了水性聚氨酯乳液。
a series of aqueous polyurethane dispersions (mcpu) with ionic groups in the soft segments were prepared with maleic anhydride modified castor oil(mco)of various hydroxyl functionality.
采用羟基官能度不同的马来酸酐改性蓖麻油(mco),合成了一系列软段含有离子基的聚氨酯水分散液(mcpu)。
the interaction between aqueous polyurethane resins and collagen was studied in this paper by ultraviolet spectroscopy.
本文采用紫外光谱法研究了阴、阳、非离子型水溶性聚氨酯树脂与胶原的相互作用。
it has shown that the aqueous polyurethane wood coatings based on this emulsion can provide good adhesion, water resistance and mechanical properties.
性能测定表明:以此乳液再配以其他助剂制得的水性聚氨酯建筑用木器涂料,具有优异的粘附力、耐水性和力学性能。
different factors such as hard segment and -cooh content, soft segment, chain extender, technics of preparation influence on the properties of aqueous polyurethane and their films have been studied.
分别研究了硬段及亲水基团的含量、软段及扩链剂的种类、制备的工艺对水性聚氨酯乳液及其涂膜性能的影响;
the modification of aqueous polyurethane dispersion is focused on crosslinking and compounding technologies. this article reviewed the basic theoretic and practical methods.
交联改性和复合改性是近年来水性聚氨酯改性方法研究的重点,论述了各种改性技术的基本理论和实施方法。
the composition, preparation and synthesis mechanism of the one pack self crosslinking aqueous polyurethane dispersion has been reviewed.
叙述了单组分自交联水性聚氨酯分散体的组成、制备及合成机理。
definition of aqueous polyurethane adhesives were introduced in this paper. the aqueous polyurethane adhesive can be widely used in villus, package, lumber, shoes and other fields.
简述了水性聚氨酯胶粘剂的定义,及其在植绒、多种层压制品、 复合包装、木材粘接、鞋用以及压敏胶等方面的应用。
aqueous polyurethane is environment friendly, it has excellent bonding properties, superior wet and gas penetration and comprehensive mechanical properties.
水性聚氨酯具有环保性的同时还具有优异的黏附力、良好的透湿透气及综合力学性能。
the mechanism of acrylic emulsion copolymerization in aqueous polyurethane dispersion system has been described.
讨论了在聚氨酯水分散体系中进行丙烯酸酯共聚物乳液合成的机理。
it is essential to find out aqueous polyurethane to instead the intrinsic products for sustainable development.
为适应可持续发展的需要,有必要寻找水性聚氨酯产品来替代原有产品。