Topic
Liquid paraffin
About: Liquid paraffin is a research topic. Over the lifetime, 6185 publications have been published within this topic receiving 52956 citations.
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TL;DR: In this article, the critical load required to form a hertzian fracture in sliding is markedly influenced by the liquid environment in which sliding takes place, and it is shown that critical load in some environments can be predicted in agreement with experimental results provided that the critical loads in a certain environment is known.
Abstract: The critical load required to form a hertzian fracture in sliding is markedly influenced by the liquid environment in which sliding takes place. The presence of an active environment (water and phosphoric acid) reduces the critical load by 65 to 70%, while the presence of a less-active environment (liquid paraffin) reduces the friction and increases the critical load. It is shown that the critical load in some environments can be predicted in agreement with experimental results provided that the critical load in a certain environment is known.
22 citations
22 citations
TL;DR: A novel biodemulsifying oxalate decarboxylase (OxdC) secreted by Bacillus mojavensis XH1 exhibited a strong demulsification capacity and significantly outperformed the model protein Bacillus subtilis 168 OxdC, which shared a high amino acid similarity but showed limited demulsifier ability.
22 citations
TL;DR: In this paper, a new liquid thermal stabilizer (LTS) was prepared using rosin and fatty acids as feedstock and evaluated for its stabilizing effects on polyvinyl chloride (PVC).
22 citations
TL;DR: In this article, a new kind of ultra-high molecular weight polyethylene (UHMWPE)/woven fabric composite microporous membrane via a thermally induced phase separation (TIPS) method was demonstrated.
Abstract: We demonstrate a new kind of ultra-high molecular weight polyethylene (UHMWPE)/woven fabric composite microporous membrane via a thermally induced phase separation (TIPS) method. A dilute UHMWPE/liquid paraffin (LP) solution with a concentration lower than 8 wt% was used in the preparation of the composite membrane. The polyester-cotton (P-C) blended woven fabric was pretreated to remove the polyester component and then the UHMWPE/LP solution was pressed into the interstices of the pretreated woven fabric and wrapped the cotton fibers, then the composite membrane was prepared via the TIPS method. The cloud points and dynamic crystallization temperatures of the UHMWPE/LP solution were determined by optical microscopy and differential scanning calorimetry (DSC), respectively. The results show that the cloud points were similar to the crystallization temperatures, indicating that only solid–liquid (S–L) phase separation occurred during the thermally induced phase separation (TIPS) method of the UHMWPE/LP solution. The mechanical properties and thermal stability of composite membranes were also tested. The parameters such as the concentration and the viscosity molecular weight (Mη) of UHMWPE were optimized and a type of composite microporous membrane was prepared with good penetrating pore flow, dramatically high water flux and excellent bovine serum albumin (BSA) rejection. The composite membrane prepared from 5 wt% UHMWPE with a Mη of 4000000 had the largest BSA rejection of 76% and extremely high water flux of 621 L m−2 h−1. The antifouling effect of the composite membrane was also assessed in bovine serum albumin (BSA) aqueous solution.
22 citations