نتایج جستجو برای: vulcanization
تعداد نتایج: 464 فیلتر نتایج به سال:
Normally, raw and non-vulcanized polymer matrix is sticky, very soft, exhibits poor 10 mechanical, electrical, thermal properties. In order to improve such properties of matrix, 11 different nanofillers have been investigated as the reinforcements, carbon nanotube, graphene, 12 clay minerals, silica, processing techniques used, vulcanization. 13 Accordingly, uniformly mixed could significantly ...
In this paper, we review a host of methods used to model amorphous materials. We particularly describe methods which impose constraints on the models to ensure that the final model meets a priori requirements (on structure, topology, chemical order, etc). In particular, we review work based on quench from the melt simulations, the 'decorate and relax' method, which is shown to be a reliable sch...
Report of a case of erythema multiforme-like eruption due to the use of rubber gloves. After several complementary studies, including epicutaneous and skin prick tests, we concluded that the eruption was secondary to sensitization to carbamates and thiuram. The main differential diagnosis in this case was allergic contact dermatitis to latex in natural rubber gloves. This entity is less frequen...
In most synthetic elastomers, changing the physical properties by monomer choice also results in a change to the crystallinity of the material, which manifests through alteration of its mechanical performance. Using organocatalyzed stereospecific additions of thiols to activated alkynes, high-molar-mass elastomers were isolated via step-growth polymerization. The resulting controllable double-b...
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