有机耐高温胶粘剂发展概况

本文叙述了各种耐高温胶粘剂发展概况及其特点，着重介绍了环氧树脂胶粘剂，室温硫化硅橡胶粘合剂，双马来酸亚胺胶粘剂及它们的固化和改性。     

脲醛树脂胶粘剂改性途径的探讨

简述了脲醛树脂胶粘剂的性能，分析了脲醛树脂胶游离甲醛含量高，耐水，耐老化性差的原因，并提出了改性途径。     

溶剂型单组份聚氨酯胶粘剂

论述了溶剂型单组份聚氨酯胶粘剂的合成原理、合成方法及具体实验步骤，讨论了聚酯多元醇、扩链二元醇、异氰酸酯、溶剂等合成原产对胶粘剂性能的 影响，采用混合多元醇、两种扩链剂及ＴＤＩ与ＭＤＩ的组合，于混溶剂中，在加热条件下，逐步加聚而合成了主性能聚氨酯胶粘剂。经测试，该胶粘剂对牛皮、ＰＶＣ及ＰＵ人地均有较高的粘结力和剥离强度。     

反应型热熔胶粘剂

反应型热熔胶粘剂系聚酯胶粘剂中的新族。其优异性能引入注目，各国胶粘剂制造得竞相研究开发，品种日增。本文概述了该类胶粘剂的特性、用途和制备方法等，并提出我国应从何着手开发。     

热塑性聚氨酯胶粘剂的研制

介绍用聚酯多元醇，二异氰酸酯，１，４－ＢＳ为主要原料合成热塑性聚酯胶粘剂的合成方法，并考查了聚酯品种和分子量，胶粘剂分子量，异氰酸酯指数，异氰酸酯品种等对胶粘剂粘接，贮存，机械性能的影响。     

聚氨酯结构胶粘剂的应用及其技术进展

详细地叙述了国外聚氨酯结构胶粘剂的应用情况，尤其是在纤维增强塑料材料，汽车，电梯镶板方面的应用，并简单介绍了近几年聚氨酯结构胶粘剂的技术进展。     

水溶性环氧胶粘剂的推广与应用

1前言随着船舶工业的发展，船舶建造中的装满要求也越来越高。因此，不论大小船舶的地板都采用了粘贴塑料方块或塑料地毯工艺。采用粘贴，必然要大量应用胶粘剂。选用什么样的胶粘剂，这是船舶系统一直研究和关注的问题。过去，大都采用202’、825＃、999＃等氯丁橡胶型胶粘剂，这些胶粘剂都有不可克服的缺点，如202＃胶、999#胶，其毒性大，且防火性差，在船舶施工中很不安全。825＃胶粘剂虽然改用了三氯乙烯作稀释剂，防火性能得到很大改善，但其毒性大，在各大船厂施工中均发生过程度不同的中毒现象。因此，研究出一种无毒或毒性小的胶粘…     

水下胶粘剂的研究与应用

水下胶粘剂是一种特种胶粘剂，它的研究与应用交关系到房屋、水土、地下建筑、医疗、仿生、养殖等各个领域的技术水平和经济效益，为此，系统地介绍了几种常用水下胶粘剂的配方、性能和应用，并重点介绍了最产析的复全胶粘剂－－能在海水中进行珊瑚活性移植的水下胶剂的应用情况。     

有机硅偶联剂在聚合物胶粘剂中的应用

有机硅偶联剂在聚合物胶粘剂中的应用廖俊，张治民，张先亮，张彦谦（武汉大学化工厂，武汉市，４３００７２）１前言目前，以化学工业为基础的胶粘剂工业得到了迅速发展，已在国民经济中产生越来越重要的作用。随着高分子材料的应用，对胶粘剂的性能及粘接技术提出了新的...     

WS—Y型盐酸水解淀粉胶粘剂的研制

根据胶粘剂市场发展和需要，研制出盐酸水解淀粉胶粘剂。文中对材料选择，配方设计和工艺条件进行了论述。各项性能指标进行了测试和试用，实验证明，效果良好。     

Adhesion of Polypropylene Sheet with Steel Plates

Adhesion of polypropylene sheet with steel plate was investigated using a mixed adhesive which was composed of a sitane coupling agent with peroxide. This adhesive was applied to both surfaces of polypropylene sheet by brushing or spraying. A steel/polypropylene/steel laminated structure was formed at around 200°C. The effects of the bonding conditions on peel strength were investigated in the laminates. Considerable reduction of the amount of the adhesive used was achieved by adopting a spraying technique, and excellent peel strength was attained.     

Adhesion of Polypropylene Sheet with Steel Plates

Adhesion of polypropylene sheet with steel plate was investigated using a mixed adhesive which was composed of a sitane coupling agent with peroxide. This adhesive was applied to both surfaces of polypropylene sheet by brushing or spraying. A steel/polypropylene/steel laminated structure was formed at around 200°C. The effects of the bonding conditions on peel strength were investigated in the laminates. Considerable reduction of the amount of the adhesive used was achieved by adopting a spraying technique, and excellent peel strength was attained.     

Failure behavior of adhesive bonded interface between steel and bamboo plywood

Bamboo–steel composite structure is constructed with bamboo plywood and cold-formed thin-walled steel, which are bonded by structural adhesive. To investigate the failure behavior of the adhesive bonded interface between bamboo plywood and steel, both experimental and numerical analyses were performed. An adhesive bonded member was designed to observe the failure behavior through the variation of stress distribution on steel sheet under tension. Further analysis of failure behavior was carried out by the numerical model through the stress analysis at the adhesive bonded interfaces. The experimental and numerical analyses revealed the failure mainly occurred at the adhesive bonding interface, caused by the stress concentration at the end of the overlap. The influences of modulus of elasticity of bamboo plywood in the parallel to grain direction and the thickness of steel sheet on the stress distribution at the adhesive bonding interface were investigated, which indicated the stress distribution had a major effect on the load-carrying capacity of the composite structural member. It also suggests enlarging the geometry properly and choosing the bamboo plywood with large modulus of elasticity in the parallel to grain direction are effective to increase the load-carrying capacity.     

Structure Mechanical Property Changes Occurring in Ethylene Acrylic Acid Copolymer Adhesive During Aging of Bimetallic Laminates

The increase in peel strength after thermal aging of aluminum and copper to tin-plated steel laminates was studied using adhesive samples recovered from copper to tin-plated steel laminates. Morphological changes of the ethylene acrylic acid copolymer adhesive were observed. Calorimetric and dynamic mechanical measurements on adhesive copolymers recovered from Cu-tin plated steel laminates suggest that the crystallinity of EAA increases due to thermal aging as well as oxidative processes. A higher degree of crystallinity and effective crosslink density are consistent with the higher elastic (E') modulus for aged specimens. Increase in crystallinity of an ethylene-acrylic acid copolymer resulted in a higher tensile strength, which appears related to the increase in peel strength of the laminate.     

Durability of bimetallic-adhesive laminate with ethylene–acid copolymer adhesives

A broadband multicoaxial cable has been developed, based upon the use of ethylene copolymer thermoplastic adhesives to bond tin-plated steel to copper. The characteristics of the adhesive and the integrity of the bond formed between the dissimilar metals were of prime interest. The copolymers of ethylene examined as adhesives were ethylene–acrylic acid (EAA) and ethylene–methacrylic acid (EMAA). The influence of high humidity on the durability of bimetallic laminates of copper or aluminum with tin-plated steel and ethylene–acid copolymer adhesives has been studied. Infrared spectrometric and differential thermal analysis data had shown that a contributing cause to failure of bonds between EAA copolymers and copper is the solubilization of an underlying weak copper oxide layer under condition of the test. Electrolytic chromate-treated copper and immersion chromate-treated aluminum bonded to degreased tin-plated steel resulted in joints having comparable durability under stress and humid environments. These results reflect the durability of tin–tin bonded specimens. These materials engineering studies have shown that ethylene–acid copolymer adhesive, properly used and stabilized, can be employed with confidence in adhesive joints.     

Structure Mechanical Property Changes Occurring in Ethylene Acrylic Acid Copolymer Adhesive During Aging of Bimetallic Laminates

The increase in peel strength after thermal aging of aluminum and copper to tin-plated steel laminates was studied using adhesive samples recovered from copper to tin-plated steel laminates. Morphological changes of the ethylene acrylic acid copolymer adhesive were observed. Calorimetric and dynamic mechanical measurements on adhesive copolymers recovered from Cu-tin plated steel laminates suggest that the crystallinity of EAA increases due to thermal aging as well as oxidative processes. A higher degree of crystallinity and effective crosslink density are consistent with the higher elastic (E′) modulus for aged specimens. Increase in crystallinity of an ethylene-acrylic acid copolymer resulted in a higher tensile strength, which appears related to the increase in peel strength of the laminate.     

SBS胶黏剂在制鞋定型中的应用

苯乙烯-丁二烯-苯乙烯的三嵌段共聚物（SBS）,可很好地溶于非苯混合溶剂,特别适宜制作环保型胶黏剂。SBS售价大致是氯丁橡胶售价的一半偏上,具有明显的价格优势。用SBS胶黏剂在制鞋领域取代氯丁胶黏剂的研究非常活跃。研究了增黏树脂的种类、SBS类型及配比、增黏树脂与SBS配比、同含量和JQ-6等对各种制鞋面料与化学片粘接性能的影响。SBS801与SBS792的质量比为1：3～2：1较为适宜,增黏树脂占25％～30％为宜,理论固含量为25％-30％为宜,JQ-6用量为0．5％左右为宜,所制得SBS胶黏剂对各种制鞋面料与化学片粘接性能超过氯丁胶,且耐水、耐盐性能良好。     

150℃磁钢片用高强度胶黏剂的研制

电机工作温度对电机的性能和稳定性有很大的影响,目前国外采用耐高温绝缘磁钢片产品制作电机定子转子,可有效降低电机工作温度,提高电机性能和稳定性。合成了一种耐150℃高温无溶剂聚氨酯胶黏剂,配合相应的处理工艺,成功应用于高温大功率小体积电机磁钢片。使用该种电机磁钢片可以使电机的工作温度降低30℃左右,接近国外同类产品水平,提高了电机系统的耐温水平和使用稳定性,减少了经济损失,填补了国内空白。     

改性氰酸酯类耐高温胶粘剂的研究

以双马来酰亚胺(BMI)、双酚A型氰酸酯(BADCy)和苯并噁嗪(BOZ)树脂为基体树脂,纳米二氧化硅(nano-SiO2)为填料,制备耐高温胶粘剂。采用非等温差示扫描量热(DSC)法、Kissinger法和Ozawa法研究了nano-SiO2/BOZ/BMI/BADCy共聚物的固化动力学过程。结果表明:当m(BOZ)∶m(BMI)∶m(BADCy)=1∶1∶2、w(nano-SiO2)=3%时,相应BOZ/BMI/BADCy胶粘剂的表观活化能(47.82 kJ/mol)低于无nano-SiO2体系(59.17 kJ/mol),并具有良好的耐高温性能;在250℃时用该胶粘剂胶接硅钢片,胶接件经250℃老化1 000 h后,其剪切强度仍保持稳定。     

Tailoring the adhesion properties of polyacrylamide-based hydrogels. Application for skin contact

In the present study, we investigated the adhesive performances of polyacrylamide-based hydrogels intended to be used as dermatological patches. Accordingly, we have prepared conventional copolymer poly(acrylamide-co-hydroxyethyl methacrylate) hydrogels and nanocomposite copolymer poly(acrylamide-co-hydroxyethyl methacrylate) hydrogels filled with poly(butyl acrylate) nanoparticles. We evaluated their adhesive properties when they were applied to different substrates (equivalent human skin, stainless steel) using a probe tack test. The adhesion energy was found to be related to the chemical composition and the rheological properties of the hydrogels which were also measured.