190993
Poly(4-methyl-1-pentene)
medium molecular weight
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About This Item
Formula condensata:
(CH2CH[CH2CH(CH3)2])n
Numero CAS:
Numero MDL:
Codice UNSPSC:
12162002
ID PubChem:
NACRES:
NA.23
Prodotti consigliati
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Forma fisica
solid
Indice di fluidità
26 g/10 min (260°C/5kg)
Resistenza all’urto
3 kg.cm/cm2 (Izod, ASTM D 256)
Costante dielettrica
2.12, 100 MHz (ASTM D 150)
Durezza
80 (Rockwell R, ASTM D 758)
Indice di rifrazione
n20/D 1.463
Punto di fusione
235 °C
Temp. transizione
softening point 178 °C (Vicat, ASTM D 1525)
Densità
0.835 g/mL at 25 °C
Stringa SMILE
CC(C)CC=C
InChI
1S/C6H12/c1-4-5-6(2)3/h4,6H,1,5H2,2-3H3
WSSSPWUEQFSQQG-UHFFFAOYSA-N
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Categorie correlate
Applicazioni
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.
Caratteristiche e vantaggi
Very low specific gravity, high transparency, resistant to oxidation and prone to stress cracking. Good electrical insulator.
Stato fisico
Crystalline, isotactic.
Codice della classe di stoccaggio
11 - Combustible Solids
Classe di pericolosità dell'acqua (WGK)
WGK 3
Punto d’infiammabilità (°F)
Not applicable
Punto d’infiammabilità (°C)
Not applicable
Dispositivi di protezione individuale
Eyeshields, Gloves, type N95 (US)
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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
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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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