Hydrolytic resistance and oxidative resistance of polyhexymethylene carbonate urethane urea (PCUU) from our laboratory were studied by hydrolysis in hot water at (96±4) ℃ and oxidation in NaClO solution compared with polyether urethane(Pellethane, Pe) from Dow Chemical Co and polycarbonate urethane urea (Chronoflex, Chro) from PolyMedica Co.
研究了本实验室合成的聚六亚甲基碳酸酯聚氨酯脲(PCUU)的耐水解和耐氧化性能,并与Pel-lethane(Pe)和Chronoflex(Chro)对照。
The result shows that under the optimal conditions,the content of double carbon bond in product reduced,and the comprehensive properties,especially,the oxidative resistance improved greatly.
结果表明:在此条件下加氢,产物碳碳双键含量减少,其综合性能特别是高温耐氧化性得到了显著提高。
PBp and its derivatives had the properties of thermal and oxidation resistance.
用PBp衍生物的溶液浸渍石墨制品,经热处理后,在800℃空气中,保温6h氧化损失率与同等条件下的未浸渍的石墨制品相比,小一倍多,大大提高了石墨制品的高温耐氧化性。
The result shows: Rubia Cordifolia L. pigment apt to dissolve on water and have strong one acidproof and alkaline able to bear personning who reduce , able to bear personning who oxidize and able to bear all.
结果表明:茜草色素易溶于水且具有较强的耐酸碱性、耐还原性、耐氧化性和耐光性。
Tough and chemical resistance of epoxy resin.
具有环氧树脂的坚硬性耐化学品性。
Study on Abrasiveness of Titanium and Titanium Alloys MAO Modification Surface;
钛合金微弧氧化表面改性耐磨性研究
The Research on the Aging Resistant Performance and Improvement of Epoxy Structural Adhesive;
环氧结构胶的耐老化性能及改性研究
Study on the Preparation and Anticorrosion of the Epoxy/SiO_2 Hybrid Materials;
环氧/二氧化硅杂化材料的制备及耐蚀性能研究
Corrosion Resistance of Sintered Ceramics in Seawater
氧化铝-氧化锆烧结陶瓷的耐海水腐蚀性能
WEAR-AND CORROSION-RESISTANCE OF NANO-SiO_2 COMPOSITE EPOXY AND POLYURETHANE COATINGS
纳米氧化硅复合环氧和聚氨酯涂料耐磨性与耐蚀性研究
testing methods of resistance to ozone cracking for vulcanized rubber
硫化橡胶耐臭氧龟裂性试验方法
RESEARCH PROGRESS ON OXIDATION RESISTANCE OF Al_2O_3-C REFRACTORIES
Al_2O_3-C耐火材料抗氧化性研究进展
Corrosion resistance of ME20 magnesium alloy anodic films
ME20镁合金阳极氧化膜耐蚀性研究
QTL mapping of rice leaf photooxidation tolerance control
控制水稻耐光氧化特性的QTL定位
Study on Oxidation Resistance of Fe-Cr Based Heat-resisting Steel at 1250℃
Fe-Cr基耐热钢1250℃的抗氧化性能研究
THE AGING RESISTANCE PERFORMANCE OF THE EPOXY STRUCTURAL ADHESIVE FOR STRUCTURE STRENGTHENING
工程加固中环氧结构胶的耐老化性能
The Changes of Antioxidant Enzyme Activities of Fig( Ficus carica L.) Cell Lines with Different Salt Tolerances
无花果细胞系耐盐性与抗氧化酶活性的变化
The paint exhibits toughness and chemical resistance of epoxy as well as seawater resistance of tar.
该漆具有环氧树脂的坚硬性耐化学品性,又具有沥青的耐海水性。
Results indicated that wear resistance and corrosion resistance of black TiN coating were higher than that of black oxide film or phosphatizing films.
结果表明,其耐磨损、耐腐蚀性能均高于氧化和磷化黑色膜层。
The Study of Strengthen the Wearability of Phosphate Coatings with n-Al_2O_3;
纳米三氧化二铝增强磷化膜耐磨性的研究
The Oxidation Resistance of Surface Nanostructures in 1Cr17 Stainless Steel at High Temperature;
1Cr17不锈钢表面纳米化组织耐高温氧化性研究