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Combined Effects of Microwaves, Electron Beams and Polyfunctional Monomers on Rubber Vulcanization
Journal of Microwave Power and Electromagnetic Energy ( IF 0.9 ) Pub Date : 2008-01-01 , DOI: 10.1080/08327823.2008.11688616
Elena Manaila 1 , Diana Martin , Daniela Zuga Stelescu , Gabriela Craciun , Daniel Ighigeanu , Constantin Matei
Affiliation  

Thispaperpresents comparative results obtained by conventional vulcanization with benzoyl peroxide (CV-BP), separate electron beam vulcanization (EB-V) and simultaneous electron beam and microwave vulcanization (EB+MW-V) applied to two kind of rubber samples: EVA (ethylene vinyl acetate) rubber-sample (EVA-sample) and EPDM (ethylene-propylene terpolymer) rubber-sample (EPDM-sample). The EVA-samples contain 61,54% EVA Elvax 260, 30.77% carbon black, 1.85% TAC (triallylcyanurate) polyfunctional monomer and 5.84% filler (zinc oxide, stearic acid, polyetylen glycol and antioxydant). The EPDM-samples contain 61.54% EPDM Nordel 4760, 30.77% carbon black, 1.85% TMPT (trimethylopropane trimethacrylate) polyfunctional monomer and 5.84% filler (zinc oxide, stearic acid, polyetylen glycol and antioxydant). The rubber samples designedfor different vulcanization methods were obtainedfrom raw rubber mixtures, as compressed sheets of 2 mm in the polyethylene foils to minimize oxidation. For EB and EB+MW treatments the sheets were cut in rectangular shape 0.15 x 0.15 m2. The physical properties of samples obtained by CV-BP, EV-V and EB+MW-V methods were evaluated by measuring the tearing strength, residual elongation, elongation at break, tensile strength, 300% modulus, 100% modulus, elasticity and hardness. The obtained results demonstrate an improvement of rubber several properties obtained by EB and EB+MW processing as compared to classical procedure using benzoyl peroxide.

中文翻译:

微波、电子束和多官能单体对橡胶硫化的综合影响

本文介绍了使用过氧化苯甲酰 (CV-BP)、单独电子束硫化 (EB-V) 和同步电子束和微波硫化 (EB+MW-V) 应用于两种橡胶样品的比较结果:EVA(乙烯醋酸乙烯酯)橡胶样品(EVA 样品)和 EPDM(乙烯-丙烯三元共聚物)橡胶样品(EPDM 样品)。EVA 样品含有 61.54% EVA Elvax 260、30.77% 炭黑、1.85% TAC(氰尿酸三烯丙酯)多官能单体和 5.84% 填料(氧化锌、硬脂酸、聚乙二醇和抗氧化剂)。EPDM 样品包含 61.54% EPDM Nordel 4760、30.77% 炭黑、1.85% TMPT(三甲基丙烷三甲基丙烯酸酯)多官能单体和 5.84% 填料(氧化锌、硬脂酸、聚乙二醇和抗氧化剂)。为不同硫化方法设计的橡胶样品是从生橡胶混合物中获得的,作为聚乙烯箔中 2 毫米的压缩片材,以尽量减少氧化。对于 EB 和 EB+MW 处理,将片材切成 0.15 x 0.15 平方米的矩形。通过测量撕裂强度、残余伸长率、断裂伸长率、拉伸强度、300% 模量、100% 模量、弹性和硬度来评价通过 CV-BP、EV-V 和 EB+MW-V 方法获得的样品的物理性能. 所获得的结果表明,与使用过氧化苯甲酰的经典程序相比,通过 EB 和 EB+MW 加工获得的橡胶的几种性能有所改善。对于 EB 和 EB+MW 处理,将片材切成 0.15 x 0.15 平方米的矩形。通过测量撕裂强度、残余伸长率、断裂伸长率、拉伸强度、300% 模量、100% 模量、弹性和硬度来评价通过 CV-BP、EV-V 和 EB+MW-V 方法获得的样品的物理性能. 所获得的结果表明,与使用过氧化苯甲酰的经典程序相比,通过 EB 和 EB+MW 加工获得的橡胶的几种性能有所改善。对于 EB 和 EB+MW 处理,将片材切成 0.15 x 0.15 平方米的矩形。通过测量撕裂强度、残余伸长率、断裂伸长率、拉伸强度、300% 模量、100% 模量、弹性和硬度来评价通过 CV-BP、EV-V 和 EB+MW-V 方法获得的样品的物理性能. 所获得的结果表明,与使用过氧化苯甲酰的经典程序相比,通过 EB 和 EB+MW 加工获得的橡胶的几种性能有所改善。
更新日期:2008-01-01
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