The basic meaning of green chemistry includes microscopic,macroscopic and engineering significances.Green chemistry and green technology play an important role in social production and life,reform and innovation of traditional chemical industry,full utilization and recycle of resources,green purification and monitoring,environmental protection and development.The implementation of green chemistry and green system engineering technology can make social production and life greening,realize the friendly dialogue between human and environment,build environment friendly home,and create environment harmonious life.And this is an important measure for sustainable development and scientific development,and also the great challenge and opportunity facing human in present world.

This paper reviews the developing status of hot melt pressure sensitive adhesive（HMPSA）,mainly introduces the types,synthesis and application of polyacrylate series pressure sensitive adhesives,andexpects the market prospect of HMPSA in social life.

Chemistry teaching content is one of the fundamental factors in teaching system.It shows ahigh teaching art for teacher to handle chemistry teaching content with the strategy of the affective art.Thereare two strategies of the affective art handling.Firstly,teacher artfully handles the teaching content so as toadjust students learning emotion,which includes the strategies of psychological matching and beyond expectation.Secondly,teacher effectively makes use of the affective resource in teaching content to edify studentssentiment,which involves the strategies of revealing affection,tapping affection,inducing affection,awardingaffection.