| 摘要 |
FIELD: manufacture of building materials. ^ SUBSTANCE: invention relates to polymer-concrete mix employed as coating to protect building structures against aggressive media, including climatic factors. Mix is composed of, wt %: epoxide resin "ED-20" 36.8-44.8, polyethylene-polyamine 3.68-4.48, dibutyl phthalate 7.36-8.96, oak dust additive 1.85-4.39, quartz sand with specific surface area 300 cm2/g (aggregate) 38.54-49.51. ^ EFFECT: increased endurance of polymer-concrete mixes under UV irradiation conditions with high bend and compaction strengths preserved. ^ 2 tbl, 6 ex |
