The long–term stability of proton conductors is one the most important factors in evaluating materials. Guest molecules can act as “bridges” for conduction channels and reside covalent organic frameworks, but they are prone to leakage. Therefore, it develop with intrinsic conductivity. In this paper, we synthesized an intrinsically sulfonated framework, TpPa–SO3H, which has a more stable conduc...

This study investigated the effects of a crystalline admixture (CA) and superabsorbent polymer (SAP) on self-healing mechanical properties basalt fibre mortars. Uniaxial compression experiments were conducted mortar specimens to investigate two admixtures different ratios strength repair ability at maintenance ages after pre-cracking, microscopic observations cracks their healing products using...

To clarify the influencing mechanism of superabsorbent polymer (SAP) internal curing agent on carbonation resistance cement concrete, accelerated experiment was conducted to explore effect particle size and dosage SAP depth. The hydration performance internally cured concrete at different ages studied by Fourier transform infrared spectroscopy (FTIR) test X-ray diffraction (XRD) test. Combined ...

Heavy  metal  pollution  is  propagating  throughout  the  world  with  the  enlargement  of  industrial activities.  The  elimination  of  heavy  metal  ions  from  industrial  wastewaters  has  drawn  much attention  because  of  the  hazardous  effects  of  the  heavy  metal  ions  on  different  organisms. According to these facts, poly (2, 2, 3, 3- tetracyanocyclopropyl) phenyl acryl...

In the present paper, attention is paid to synthesis and investigation swelling behavior of a superabsorbent hydrogel composite based on Pectin (Pec) and polyacrylonitrile (PAN) in the presence Kaolin powder. The physical mixture of Pec, Kaolin and PAN were hydrolyzed by NaOH solution to yield H-Pec-poly (sodium acrylate-co-acrylamide)/Kaolin superabsorbent hydrogel composite. A proposed mechan...

Water scarcity is an important obstacle to the development and expansion of urban landscape in the arid and semi-arid regions of the world. Nowadays organic and artificial materials can be used to reducing water consumption without reducing the quality and quantity of urban landscape. In order to study of the effect of some mulch type on the reduce of irrigation interval on a popular seasonal p...