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2007•Journal of Functional PolymersRequires access

Characterization and Transesterification Kinetics of Novel Allyl Oligomer Ester Optical Resin

NI Li-zhong

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Abstract

Novel allyl ester oligomer was produced by transesterification of diallyl phthalate(DAP) with 1,3-propanediol(PDO) in the present of catalyst(DBTO),and the structure was characterized by FT-IR、()~1H-NMR、GPC and measuring the value of double bond.This new type of optical resins has excellent optical performance: YI=3.0,transmittance 99.5% at 550 nm,refractive index 1.533 at 20 ℃,viscosity 80 mPa·s at 25 ℃.The kinetics of transesterification was studied by the allyl alcohol withdrawn from the reactor and the value of double bond of DAP-AEO during(reactions) at different time.A model to explain the transesterification reaction was prosposed.

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Novel allyl ester oligomer was produced by transesterification of diallyl phthalate(DAP) with 1,3-propanediol(PDO) in the present of catalyst(DBTO),and the structure was characterized by FT-IR、()~1H-NMR、GPC and measuring the value of double bond.This new type of optical resins has excellent optical performance: YI=3.0,transmittance 99.5% at 550 nm,refractive index 1.533 at 20 ℃,viscosity 80 mPa·s at 25 ℃.The kinetics of transesterification was studied by the allyl alcohol withdrawn from the reactor and the value of double bond of DAP-AEO during(reactions) at different time.A model to explain the transesterification reaction was prosposed.

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Available abstract

Novel allyl ester oligomer was produced by transesterification of diallyl phthalate(DAP) with 1,3-propanediol(PDO) in the present of catalyst(DBTO),and the structure was characterized by FT-IR、()~1H-NMR、GPC and measuring the value of double bond.This new type of optical resins has excellent optical performance: YI=3.0,transmittance 99.5% at 550 nm,refractive index 1.533 at 20 ℃,viscosity 80 mPa·s at 25 ℃.The kinetics of transesterification was studied by the allyl alcohol withdrawn from the reactor and the value of double bond of DAP-AEO during(reactions) at different time.A model to explain the transesterification reaction was prosposed.

Key concepts: Transesterification, Oligomer, Materials science, Double bond, Kinetics, Allyl alcohol, Catalysis, Organic chemistry

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