190993
Poly(4-methyl-1-pentene)
medium molecular weight
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About This Item
Linear Formula:
(CH2CH[CH2CH(CH3)2])n
CAS Number:
MDL number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23
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Quality Level
form
solid
melt index
26 g/10 min (260°C/5kg)
impact strength
3 kg.cm/cm2 (Izod, ASTM D 256)
dielectric constant
2.12, 100 MHz (ASTM D 150)
hardness
80 (Rockwell R, ASTM D 758)
refractive index
n20/D 1.463
mp
235 °C
transition temp
softening point 178 °C (Vicat, ASTM D 1525)
density
0.835 g/mL at 25 °C
SMILES string
CC(C)CC=C
InChI
1S/C6H12/c1-4-5-6(2)3/h4,6H,1,5H2,2-3H3
InChI key
WSSSPWUEQFSQQG-UHFFFAOYSA-N
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Application
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.
Features and Benefits
Very low specific gravity, high transparency, resistant to oxidation and prone to stress cracking. Good electrical insulator.
Physical form
Crystalline, isotactic.
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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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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