190993
聚（4-甲基-1-戊烯）
medium molecular weight
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线性分子式:
(CH2CH[CH2CH(CH3)2])n
化学文摘社编号:
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12162002
MDL number:
产品名称
聚（4-甲基-1-戊烯）, medium molecular weight
InChI key
WSSSPWUEQFSQQG-UHFFFAOYSA-N
SMILES string
CC(C)CC=C
InChI
1S/C6H12/c1-4-5-6(2)3/h4,6H,1,5H2,2-3H3
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
Quality Level
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Application
用于微波炉和传统烤箱的纸制食品容器涂层。用于食品和合成革的防粘涂层。用于模制医疗实验室器具。用于装饰性层压板和印刷电路板的薄膜。
Features and Benefits
极低的比重、极高的透明性以及抗氧化性，并且易于应力开裂。绝佳的电绝缘体。
Physical form
晶体，全同立构体。
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
D M Wang et al.
Journal of controlled release : official journal of the Controlled Release Society, 50(1-3), 187-195 (1998-08-01)
In this study, asymmetric poly(4-methyl-1-pentene) (TPX) membranes, fabricated by the dry/wet inversion method, were applied to transdermal delivery of nitroglycerin (NTG), a drug for treating angina pectoris. The flux of NTG through the TPX membrane was measured in vitro by
Sang-Chul Shin et al.
International journal of pharmaceutics, 234(1-2), 67-73 (2002-02-13)
The pharmacokinetics and bioavailability of triprolidine, antihistamines, were studied to determine the feasibility of enhanced transdemal delivery of triprolidine from the poly(4-methyl-1-pentene) (TPX) matrix system containing polyoxyethylene-2-oleyl ether in rabbits. The triprolidine-TPX matrix (50 mg/kg) was applied to abdominal skin
G H Hsiue et al.
Biomaterials, 15(3), 163-171 (1994-02-01)
A poly(2-hydroxyethyl methacrylate) (pHEMA)-grafted polymer film was prepared by plasma-induced graft copolymerization onto an elastic material, silicone rubber, and a plastic material, poly(4-methyl-1-pentene) (TPX). The control, Ar plasma-treated and pHEMA-grafted silicone rubber and TPX surfaces were characterized by ESCA, FTIR-ATR
LaNetra M Clayton et al.
Journal of nanoscience and nanotechnology, 6(8), 2520-2524 (2006-10-14)
Poly(4-methyl-1-pentene), PMP, a high melting polymer composed of hydrogen and carbon, has the potential to become an alternative to polyethylene (PE) as shielding material against Galactic Cosmic Radiation (GCR). PMP exhibits higher thermal stability than PE and is transparent in
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
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