WebProvided is a biodegradable material, formed by blending a linear polylactic acid or polylactic acid copolymer having high molecular weight with a biodegradable crosslinking agent to conduct crosslinked polymerization. The biodegradable crosslinking agent is formed through the connection between a crosslinkable photoactive group and the hydroxy or … WebMoisture/water absorption is the capacity of a plastic or a polymer to absorb moisture from its environment. Absorbed moisture has been shown to act as a plasticizer, reducing the …
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WebTrimethylborane is a strong Lewis acid. B (CH 3) 3 can form an adduct with ammonia: (NH 3 ):B (CH 3) 3. [13] as well as other Lewis bases. The Lewis acid properties of B (CH 3) 3 … WebMay 7, 2024 · It is a microporous mesh made up of a co-polymer of trimethylcarbonate and polyglycolic acid. In the last few years, they have refabricated it into a softer, stronger, and more pliable material ... magrath clinic
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WebDec 1, 2015 · In brief, the ring-opening polymerization of trimethylcarbonate (TMC) was carried out at 110 °C for 24 h with PEO-PPO-PEO as the initiator and stannous octoate as the catalyst. The resulting polydiols were used as soft segment and reacted with 1,6-diisocyanatohexane (HDI) at 75 °C for 4 h under continuous stirring in 15 wt% toluene. WebPluronic L31 (EO2ePO16eEO2,MWw1100, BASF) and trimethylcarbonate (TMC, Boehringer Ingelheim) were vacuum dried overnight prior to use. Butanediisocya-nate (BDI, Fluka) and putrescine (Aldrich) were vacuum distilled before synthesis. Stannous octoate (Sigma) and dimethyl sulfoxide (DMSO) were dried over 4 Å WebApr 2, 2013 · Suprathel is a synthetic monolayer acellular synthetic wound dressing produced from copolymers DL-lactide, trimethylcarbonate, and alpha-caprolactone. Indications for use include split-thickness skin graft donor site coverage and dressing of partial-thickness burns. magrath chemotherapy