Size-stable seawater impermeable material and preparation method thereof
A dimensionally stable, waterproofing membrane technology, applied in the field of seawater anti-seepage waterproofing membrane and its preparation, can solve the problems affecting the scope of application, difficulty in simultaneously improving the dimensional stability and mechanical properties of PE-HD, poor stability of the waterproofing membrane, etc. , to achieve the effect of reducing the impact of construction errors
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Embodiment 1
[0025] Example 1: PE-HD / EPDM rubber powder is combined to prepare a waterproof membrane with good dimensional stability
[0026] The produced waterproof membrane contains the following components (wt.%): PE-HD:6898, Sinopec Yangzi Petrochemical Co., Ltd.; EPDM rubber 3960Q, Lanxess, Germany; PE-HD-g-MAH, self-made; white Carbon black, Degussa; ethylene vinyl acetate, commercially available general product; softener MESAMOLL, commercially available general product. The ratio is (parts by weight): 60:15:1.5:20:1:2.5. The specific production steps are as follows:
[0027] 1. Preparation of PE-HD-g-MAH. First, add 100 parts by mass of PE-HD, 3 parts by mass of MAH and 100 parts by mass of solvent acetone into a four-necked flask, gradually increase the temperature and heat to 115° C., and cool to room temperature naturally after the solvent. Then add 3 parts by mass of dodecylbenzenesulfonic acid (interface agent C18H30O3S), and heat up again, and add 0.3 parts by mass of initi...
Embodiment 2
[0030] Example 2: PE-HD / EPDM rubber is used to prepare a waterproof membrane with good dimensional stability
[0031] PE-HD: 6898; EPDM rubber; PE-HD-g-MAH; All the other are the same as in Example 1.
Embodiment 3
[0032] Embodiment 3: PE-HD / EPDM rubber is used to prepare waterproof membrane with good dimensional stability
[0033] PE-HD: 6898; EPDM rubber; PE-HD-g-MAH; white carbon black; ethylene vinyl acetate; All the other are identical with embodiment 1.
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