Experiment conditions of polyethylene glycol and acrylic acid under different mole ratio,catalyst,reaction temperature and time are studied and it is determined to adopt acrylic acid all continuous drip feed esterification process,mole ratio of alcohol acid1:1.

Experiment conditions of polyethylene glycol with different molecular weights and acrylic acid under different molar ratios,reaction temperatures,polymerization inhibitor contents,catalyst contents,and reaction time were studied and it was determined to adopt acrylic acid all continuous drip feed esterification process,molecular weight of polyethylene glycol 1 000,molar ratio of acid alcohol 1.

0% by the process of organic ester cured new modified wat.

Explore on teaching and reform of chemical technology course;

This passage analyses how to use the following ways teaching the typical chemical technology, guiding the students to edit technology and discuss it, improving the testing ways and introducing how to use Internet to improve the students' comprehensive ability and train their creative thinking.

This paper discusses the necessity of introducing project-based teaching method into the chemical technology course,and some basic requirements of designing the project.

This article points out that it is necessary and practicable t o implement higher vocational education of 5-year chemical engineering technology in chemical indus try according to the challenges of chemical industry which faces after China's entry into the WTO and the characteristics of chemical manufacture technology.

Forming technology optimization of a multi-step part;

The technology optimization of CT-191 based on artificial neural network and genetic algorithm;

The technology optimization of continuous hot narrow strip rolling;