The physical form specification for this product is listed as 'Powder or Solid or Chunk(s)'. The appearance is reported on a lot-specific basis. Please see the link below to review a sample Certificate of Analysis:
https://www.sigmaaldrich.com/certificates/COFA/76/764590/764590-BULK_______MKCN1974__.pdf
764590
Poly(L-lactide)
average Mn 5,000, PDI ≤1.2
Sinônimo(s):
PLLA, Polylactide, L-Lactide polymer, PLA, Poly(L-Lactic acid)
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About This Item
Fórmula linear:
H(C3H4O2)nOCH3
Código UNSPSC:
12162002
NACRES:
NA.23
Preço e disponibilidade não estão disponíveis no momento.
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Formulário
solid
Nível de qualidade
atividade óptica
[α]22/D -147°, c = 0.5% in chloroform
peso molecular
average Mn 5,000
prazo de degradação
>3 years
temperatura de transição
Tm 149-154 °C
PDI
≤1.2
temperatura de armazenamento
2-8°C
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Descrição geral
Poly (L-lactide) is a semi-crystalline polymer which exhibits strong optical rotation and good mechanical properties. It is mostly used in the synthesis of degradable polymers which are used in orthopaedic devices, in dental applications, as scaffolds for autografted new skin, wound covers, anastomose systems and stents. They are biodegradable since the polyester backbone degrades by simple hydrolysis to form non-toxic compounds.[1]
Aplicação
Características e benefícios
High initial strength, good strength retention and high amount of crystallinity as much as 70% which in turn is responsible for the very slow degradation rate.[1]
Código de classe de armazenamento
11 - Combustible Solids
Classe de risco de água (WGK)
WGK 3
Ponto de fulgor (°F)
Not applicable
Ponto de fulgor (°C)
Not applicable
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Synthesis and thermal properties of novel star-shaped poly (l-lactide)s with starburst PAMAM-OH dendrimer macroinitiator.
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本製品の形状はsolidとありますが、パウダーでしょうか？それよりも大きなフレーク状でしょうか？
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