醋酸乙烯酯

Products are based on polyurethane, acrylic, rubber, ethylene vinyl acetate, epoxy, polyvinyl acetate and starch and dextrin chemistries.

产品基于聚氨酯，丙烯酸树脂，橡胶，乙烯醋酸乙烯，环氧，聚醋酸乙烯酯和淀粉和糊精化学品。

The efficacy of three formulations to B.germanica was evaluated with a small container and a quadr-cage olfactometer system. Results The linalool deploied with aethylenum-Vac granule and activated alumina granule had obvious repellency to B.germanica, and 97.7% repellency of the former was more effective than the latter.

结果 芳樟醇-乙烯醋酸乙烯酯颗粒剂与活性氧化铝颗粒剂对德国小蠊有明显的驱避性，其中芳樟醇-乙烯醋酸乙烯酯颗粒剂优于后者，驱避性高达97.7%，而芳樟醇。

For the veneering with 0.3mm thick veneer over a graduated particleboard, the optimum processing conditions were a UF adhesive level at 78g/m~2 over the board, a PVAC adhesive level at 42g/m~2 over the veneers and 4.6 percent 36％ HCL ...

用0.3mm厚的水曲柳薄木对渐变结构刨花板饰面时，其最佳工艺条件为：脲醛树脂胶在刨花板上的涂胶量为78g/m~2，聚醋酸乙烯酯乳液在薄木上的涂胶量为42g/m~2，38％盐酸用量为聚醋酸乙烯酯乳液重量的4.6％。

A random copolymer of poly(vinyl acetate-co-isopropenyl acetate) with number-average molecular weight of 9600 and relatively narrow molecular weight distribution （MWD, M w/ M n=2.03）was prepared by free radical copolymerization of vinyl acetate with isopropenyl acetate using AIBN as initiator.

通过自由基共聚合方法，以AIBN为引发剂引发醋酸乙烯酯和醋酸异丙烯酯共聚，得到两者的无规共聚物聚。

Furthermore,using oxaldehyde,make the emulsion crosslinked and form a kind of net structure,thus a new kind of water-resistant adhesive is created.

通过醋酸乙烯酯共聚改性的方法，用醋酸乙烯与丙烯酸系单体共聚，采用无皂乳液聚合，然后用乙二醛交联，使乳液形成网络结构，制备了一种新型耐水性胶粘剂，研究了共聚单体对乳液性能的影响，并采用DSC、透射电镜等对乳液结构及性能进行了测试。

A new kind of non-formaldehyde water-resistant emulsion is prepared by modifying polyvinyl acetate with the surfactant-free copolymerization to polymerize vinyl acetate and the acrylic acid monomers,and then by using oxaldehyde to make the emulsion crosslinked to form a kind of net structure.

通过醋酸乙烯酯共聚的改性方法，用醋酸乙烯与丙烯酸系单体共聚，采用无皂乳液聚合，后用乙二醛交联，使乳液形成网络结构，制备了一种无甲醛的新型耐水性乳液。

The optimum reaction condition of NaClO oxidative pretreating and viny acetate acetylating technique has been determined according to sizing property, that further improves the function of acetylated starch size and expands its application in warp sizing .

对醋酸淀粉酯的变性工艺进行了系统的研究和探讨，以浆纱性能为依据，确定了次氯酸钠氧化预处理工艺和醋酸乙烯酯乙酰化工艺的最佳反应条件，进一步提高了醋酸淀粉酯浆料的性能，扩大了醋酸淀粉酯在纺织经纱上浆中的应用

A new technology was put forward of grafting vinyl acetate and starch acetate with high degrees of substitution copolymerized to prepare a kind of biodegradable material.

提出了以高替代率的淀粉醋酸酯与醋酸乙烯酯接枝共聚制备生物降解淀粉塑料的新工艺，研究了不同工艺条件对共聚反应的影响。

The purpose of this work is to synthesize hydrophilic photosensitive polymers which possess high photosensitivity and at the same time high water resistance to fulfill the requirements of making screen printing plate for manufacturing electronic circuit board and thick film for integrated circuit and so on.

本文用重氮树脂为光敏剂，用聚乙烯醇和聚醋酸乙烯酯为成膜剂制作了感光性树脂，研究了聚醋酸乙烯酯对提高感光性树脂的耐水性的作用以及其对体系感度的影响。

The purpose of this work is to synthesize hydrophilic photosensitive polymers which possess high photosensitivity and at the same time high water resistance to fulfill the requirements of making screen printing plate for manufacturing electronic circuit board and thick film for integrated circuit and so on.

用重氮树脂为光敏剂、聚乙烯醇和聚醋酸乙烯酯为成膜剂制作了感光性树脂，研究了聚醋酸乙烯酯对提高感光性树脂的耐水性的作用以及其对体系感度的影响。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。