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Colombia Forestal
versión impresa ISSN 0120-0739
Resumen
MENDOZA-VARGAS, Lina Paola y JIMENEZ-FORERO, Javier Alexander. Effect of inclusion of anticoagulants during the benefit of Hevea brasiliensis (Willd. ex A.Juss.) Müll. Arg. Colomb. for. [online]. 2018, vol.21, n.1, pp.91-101. ISSN 0120-0739. https://doi.org/10.14483/2256201x.11878.
The effect of the inclusion in the field of an anticoagulant agent in the latex of the rubber tree (Hevea brasiliensis) was evaluated. The content of latex total solids (TSC) and dry rubber content (DRC) were characterized. Four treatments of anticoagulants were evaluated in the field: (T1) ammonia, (T2) borax, (T3) ammonia-borax, and (T0) without anticoagulant. Five dilutions (v/v) of the latex in water were evaluated in the rubber sheets, D1 (100%), D2 (75%), D3 (50%), D4 (25%) and D5 (0%). The obtained sheets were analyzed with tension, compression and thickness tests. The latex had a TSC of 37.1% (+0.27), and a DRC of 34.3% (+0.19). We found in T3D1 higher tensile strength up to breaking point of 13.37 KgF, compression of 5 KgF, and lower thickness of 1.52 mm, without significant differences between treatments T3 and T2 and dilutions D1 a D2, enabling to reduce the water consumption (25%), and the production of gravel (38%) with anticoagulants, without negatively affecting its mechanical properties.
Palabras clave : compression; thickness; dilutions; latex; ripio; tension..