190993
Poly(4-methyl-1-pentene)
medium molecular weight
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About This Item
Fórmula linear:
(CH2CH[CH2CH(CH3)2])n
Número CAS:
Número MDL:
Código UNSPSC:
12162002
ID de substância PubChem:
NACRES:
NA.23
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Nível de qualidade
Formulário
solid
índice de fusão
26 g/10 min (260°C/5kg)
potência de impacto
3 kg.cm/cm2 (Izod, ASTM D 256)
constante dielétrica
2.12, 100 MHz (ASTM D 150)
dureza
80 (Rockwell R, ASTM D 758)
índice de refração
n20/D 1.463
pf
235 °C
temperatura de transição
softening point 178 °C (Vicat, ASTM D 1525)
densidade
0.835 g/mL at 25 °C
cadeia de caracteres SMILES
CC(C)CC=C
InChI
1S/C6H12/c1-4-5-6(2)3/h4,6H,1,5H2,2-3H3
chave InChI
WSSSPWUEQFSQQG-UHFFFAOYSA-N
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Categorias relacionadas
Aplicação
Coating for paper food containers for microwave and conventional ovens. Release coatings for food and synthetic leather. Molded into medical labware. Film for decorative laminates and printed circuit boards.
Características e benefícios
Very low specific gravity, high transparency, resistant to oxidation and prone to stress cracking. Good electrical insulator.
forma física
Crystalline, isotactic.
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
Equipamento de proteção individual
Eyeshields, Gloves, type N95 (US)
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Michael T Demko et al.
ACS nano, 6(8), 6890-6896 (2012-07-18)
Soft lithography methods are emerging as useful tools for high-resolution, three-dimensional patterning of polymers and nanoparticles. However, the low Young's modulus of the standard template material, poly(dimethylsiloxane) (PDMS), limits attainable resolution, fidelity, and alignment capability. While much research has been
Elimination of sevoflurane is reduced in plasma-tight compared to conventional membrane oxygenators.
C Prasser et al.
European journal of anaesthesiology, 25(2), 152-157 (2007-07-28)
It has been demonstrated that volatile anaesthetics have cardioprotective properties during open-heart procedures, especially when administered continuously. European Council Directive 93/42/EEC concerning medical devices bans the supplementary incorporation of anaesthetic vaporizers in the bypass circuit. Since the uptake of volatile
Sang-Chul Shin et al.
International journal of pharmaceutics, 235(1-2), 141-147 (2002-03-07)
Triprolidine-containing matrix was fabricated with poly(4-methyl-1-pentene) (TPX) polymer to control the release of the drug. Effect of penetration enhancer and stripping of skin on the permeation of triprolidine through the excised mouse skin was studied. Penetrating enhancers showed the increased
Ayano Chiba et al.
Physical review. E, Statistical, nonlinear, and soft matter physics, 85(2 Pt 1), 021807-021807 (2012-04-03)
High-pressure in situ x-ray diffraction and specific-volume measurements on isotactic poly(4-methyl-1-pentene) melt have uncovered abrupt changes in the pressure dependence of microscopic structure as well as that of macroscopic density. The first sharp diffraction peak of the polymer melt, which
Sang-Chul Shin et al.
International journal of pharmaceutics, 232(1-2), 131-137 (2002-01-16)
Oral administration of triprolidine, antihistamines, may cause many adverse effects such as dry mouth, sedation, dizziness and transdermal drug delivery was considered. Poly(4-methyl-1-pentene) (TPX) membrane, which has good mechanical strength was fabricated by the casting method. TPX membranes was a
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