نتایج جستجو برای: super absorbent polymers
تعداد نتایج: 122867 فیلتر نتایج به سال:
Abstract Superabsorbent polymers (SAP) are a new, promising class of chemical admixtures which offer new possibilities in respect influencing the properties cement-based materials fresh, hardening, and hardened states. Much research work has been done last two decades to set stage for introducing this truly multipurpose agent into practice construction. In particular, three RILEM Technical Comm...
Aging in super glassy polymers such as poly(trimethylsilylpropyne) (PTMSP), poly(4-methyl-2-pentyne) (PMP), and polymers with intrinsic microporosity (PIM-1) reduces gas permeabilities and limits their application as gas-separation membranes. While super glassy polymers are initially very porous, and ultra-permeable, they quickly pack into a denser phase becoming less porous and permeable. This...
Adopting environmentally friendly or green technology and incorporating new alternative substrates for a sustainable agricultural industry has garnered the attention of numerous researchers. Although super absorbent hydrogels have exhibited great potential, natural hydrogel-based absorbents gained more interest due to their safe properties. The sources novel polymer are easily obtained from was...
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