The results showed that OCPS ABT-263 chemical structure could be dispersed well at molecular level when its content was less than 3 wt % and began to crystallize in PLLA matrix when the content increased to 5 wt %. DSC study revealed that OCPS acted as a plasticizer to decrease both T(g) and T(m) of the PLLA matrix at various heating rates. The addition of OCPS did not change the crystal form of PLLA, while had an great influence on the cold crystallization and melting behaviors of PLLA in the second heating cycles. Moreover, the initial crystallinity of OCPS/PLLA was higher than that of pure

PLLA. The results suggested that OCPS could be an effective heterogeneous nucleating reagent to promote the crystallization of PLLA. TGA showed that the PLLA thermal degradation mechanism remained unchanged, whereas the weight loss temperatures

and residual weights were improved. Tensile tests indicated that the incorporation of OCPS into PLLA matrix changed the tensile behavior of the hybrid films from brittle to ductile, and the strain at break was improved remarkably as a result of the plasticizer effect of OCPS. (c) 2011 Wiley Periodicals, Inc. J Appl Polym Sci 122: 296-303, 2011″
“The application of bariatric surgery has recently spread among obese women including women of reproductive age.

We sought to present three cases of obese women undergoing bariatric surgery, their monitoring and complications during pregnancy.

We Napabucasin suggest that conception should be postponed for at least 18 months after bariatric operation to avoid complications

concerning both mother and fetus mainly associated with nutritional deficiencies due to the anatomical and physiological changes of such operations.”
“Curing kinetics and mechanism determine the structure and property of thermosetting resins and related composites. The curing kinetics and RSL3 mouse mechanism of a novel high performance resin system based on hyper-branched polysiloxane (HBPSi), 2,2′-diallylbisphenol A modified bismaleimide (BD), and cyanate ester (CE) resins for Resin Transfer Molding (RTM) technique were systemically studied by Differential Scanning Calorimetry (DSC), Fourier Transform Infrared (FTIR) spectra, and torque rheometer. Results show that the addition of HBPSi to BD/CE resin not only decreases the initial curing temperature and apparent activation energy, but also changes the curing mechanism, and thus the structure and properties of resultant crosslinked networks. An “”Interpenetrating network (IPN)-coupling structure”" is proposed to be formed in the HBPSi/BD/CE system, which is different from traditional “”IPN”" structure in BD/CE resin. The simulation of curing reaction suggests that the variety of the curing activity leads to the difference between the curing behaviors of BD/CE and HBPSi/BD/CE resins, which is in good agreement with FTIR and DSC analyses. (c) 2011 Wiley Periodicals, Inc.