查询词典 polyester resin

An anionic phenol-formaldehyde resin which synthesized by phenol, formaldehyde and diethylene triamine was studied in this paper, and this modified phenol-formaldehyde resin was used in papermaking as an intensifier.

结果表明，单独使用改性酚醛树脂时增强效果不显著；改性酚醛树脂和阳离子淀粉共同使用能有效提高纸张的抗张指数和环压指数。

Amine terminated polyurethane resin has been synthesized with diethylene triamine and isocyanate terminated polyurethane resin mentioned above.

4利用二乙烯三胺和自制的端异氰酸酯聚氨酯预聚物合成端氨基聚氨酯树脂。

In application of modified phenol-formaldehyde resin in OCC pulp, firstly the application effictiveness of phenol-formaldehyde resin modified by triethylamine and diethylene triamine in OCC pulp was researched, and the optimum application effictiveness was gotten through mon- factor trial.

通过对改性酚醛树脂在OCC废纸浆中的应用研究，考察了二乙烯三胺和三乙胺改性酚醛树脂在OCC废纸浆中的应用效果，并通过单因素实验得到了改性酚醛树脂的最佳应用效果。

It has shown that the tensile index and ring crush index of handsheets were increased by 15.90% and 9.65%, when phenol-formaldehyde resin modified by diethylene triamine was used in OCC pulp alone (the dosage of resin was 1.0%), and then adding cationic starch to pulp (the dosage of starch was 1.0%), the tensile index and ring crush index of handsheets were increased by 32.81% and 29.29%.

实验结果表明，二乙烯三胺改性的酚醛树脂单独作用于OCC废纸浆时(用量为1.0%)，抗张指数和环压指数分别增加了15.90%和9.65%，当加入阳离子淀粉时(用量为1.0%)，抗张指数和环压指数分别增加了32.81%和29.29%。

Considering the strength enhancing efficiency of phenol-formaldehyde resin modified by triethylamine and diethylene triamine in OCC pulp, the efficiency of phenol-formaldehyde resin modified by diethylene triamine was better than triethylamine.

综合考察二乙烯三胺和三乙胺改性的酚醛树脂的增强作用，二乙烯三胺作为改性剂时改性的酚醛树脂要优于三乙胺改性的酚醛树脂。

The best technology of purified lycopene oil resin was, lycopene oil resin:Trimethylene glycol:Potassium hydroxide:Water 3.5:4.5:1.5:1.5,saponification temperature 70℃, saponification time 2h. The content of lycopene is 3.4%, extraction rate is22.48%.

较优的工艺条件为，番茄红素油树脂：丙二醇：氢氧化钾：水的比例为3.5：4.5：1.5：1.5，皂化温度为70℃，皂化时间2小时，所得番茄红素的含量为3.4％。

A composite rigid shell, with an aerodynamic profile, elongated longitudinally along the span of the blade, one longitudinal end of which is turnable towards a hub of the rotor and includes a blade root, said shell including at least one layer of reinforcing fibres agglomerated by a matrix comprising a synthetic rigidifying resin and laminated upper-surface and lower-surface skins extending from a leading edge to a trailing edge of the blade, each of said laminated skins comprising, from an inside towards an outside of the shell, a film of polyetherimide resin, at least one layer of plies of long and unidirectional fibres oriented substantially along a longitudinal axis of the blade, and at least one layer of fibre fabric, in which the directions of weft and warp yarns are oriented substantially at 45.degree.

复合刚性外壳，与气动的个人资料，拉长纵向沿跨度刀片，一纵年底，这是对回转中心的转子和包括叶根表示，蚬壳，其中至少1层加固纤维烧结由一个矩阵组成的一个综合rigidifying树脂和复合材料层合上表面和低表面皮肤延长，从领先到尾缘的刀片，每个说，叠层皮组成，从内对外界的壳，一个电影聚醚酰亚胺树脂，至少有一个层的层长和单向纤维导向的大幅沿长轴的叶片，并至少有一个层的纤维织物，在该方向的纬纱和经纱是面向大幅在45.degree 。

Methods:The porcelain specimens etched for 0 to 210 s and then bonded with composite resin. After storage in 37 ℃ water for 24 h the shear bond strength was measured.Results:Unetched porcelain did not bond to composite resin. Different etching time resulted in diferent bond strength.

他们之所以能够成功的被应用于临床上，与目前在瓷与树脂粘结方面所取得的成功是分不开的，瓷与树脂产生的牢固结合力是获得成功的必由之路。

A process for manufacturing a sole for shoes composed of a tread sole made of vulcanised rubber provides, for the vulcanizable rubber, a mixture composed of a vulcanizable nitrile rubber, at least one hydroxyl acrylic resin, at least one hydrocarbon resin, at least one reinforcing filler, and at least one vulcanization accelerator.

一种制造鞋底的方法，该鞋底具有结合到聚氨酯中底的硫化橡胶构成的外底，用于硫化橡胶的混合物包括：可硫化丁腈橡胶；至少一种羟基丙烯酸树脂；至少一种烃类树脂；至少一种增强填料；至少一种硫化促进剂。

Water is the main agents of prefilming resin, usually synthetic resin, which affect the physical properties of all kinds of deep and film for quality, such as luster, attachthemselves, xerotic, etc.

主剂。水性上光油的主剂是成膜树脂，通常是合成树脂，它影响和支配着深层的各种物理性能和膜层的上光品质，如光泽性、附着性、干燥性等。

However it can often be frust ating for a child when people are unable to pronounce their name.

但它往往可以令人沮丧的一个孩子当人们无法断言他们的名字。

All these compounds were obtained from this genus for the first time. Compound, 4-cumylphenol, was a new nature product.

所有化合物均为首次从本属海藻中分离得到，其中4cumylphenol为新天然产物。