INTERPENETRATING POLYMER NETWORKS BASED ON CASTOR-OIL .18.

被引：37

作者：

PATEL, P ^{[1
]}

SHAH, T ^{[1
]}

SUTHAR, B ^{[1
]}

机构：

[1] SARDAR PATEL UNIV,DEPT CHEM,VALLABH VIDYANAGAR 388120,GUJARAT,INDIA

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 1990年 / 40卷 / 5-6期

关键词：

D O I：

10.1002/app.1990.070400535

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Castor oil—a renewable resource—is abundantly grown in tropical countries. It is a triglyceride of glycerol and ricinoleic acid containing hydroxyl functionality. These hydroxyls were reacted with 4,4′‐diphenyl methane diisocyanate to form prepolyurethanes with different NCO/OH ratios. The prepolyurethane was swollen in ethyl methacrylate monomer containing 1% ethylene glycol dimethacrylate as crosslinker by radical polymerization initiated with benzoyl peroxide. The polyurethane/poly(ethyl methacrylate) interpenetrating polymer networks (IPNs) PU/PEMA were obtained as tough films by casting into glass molds. These IPNs were characterized by their resistance to chemical reagents, optical properties (% transmittance), thermogravimetric analysis and mechanical properties, dynamic storage modulus (ϵ′), loss modulus (ϵ″), and loss tangent (tan δ) by dynamic mechanothermal analysis, morphology by scanning electron microscopy, and dielectric properties (σ, ϵ′, ϵ″ and tan δ) at different temperatures. Copyright © 1990 John Wiley & Sons, Inc.

引用

页码：1037 / 1047

页数：11

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