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190993

Sigma-Aldrich

Poly(4-methyl-1-pentene)

medium molecular weight

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About This Item

Linear Formula:
(CH2CH[CH2CH(CH3)2])n
CAS Number:
25068-26-2
MDL number:
MFCD00084382
UNSPSC Code:
12162002
PubChem Substance ID:
24851464
NACRES:
NA.23
Pricing and availability is not currently available.

Quality Level

100

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

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This Item
SLGPB5010SLFGL25BSSLFG02550
Millex™ polyethersulfone inline filter pore size 0.22 μm, diam. 50 mm, sterile, hydrophilic, 1/4-1/2 in. hose barb

SLGP05010

Millex™ polyethersulfone inline filter

Millex™ polyethersulfone inline filter pore size 0.22 μm, diam. 50 mm, sterile, hydrophilic, 1/4-1/2 in. hose barb with outlet bell

SLGPB5010

Millex™ polyethersulfone inline filter

Millex™ hydrophobic PTFE syringe filter pore size 0.2 μm, diam. 25 mm, sterile, male Luer-Lok® outlet

SLFGL25BS

Millex™ hydrophobic PTFE syringe filter

Millex™ hydrophobic PTFE syringe filter pore size 0.2 μm, diam. 25 mm, non-sterile, sterilization compatible with autoclavable

SLFG02550

Millex™ hydrophobic PTFE syringe filter

material

methacrylate-butadiene-styrene (MBS) housing, polyethersulfone membrane

material

methacrylate-butadiene-styrene (MBS) housing, polyethersulfone membrane

material

PTFE membrane, blue PVC housing

material

PTFE membrane, polypropylene housing

pore size

0.22 μm

pore size

0.22 μm

pore size

0.2 μm

pore size

0.2 μm

diam.

50 mm

diam.

50 mm

diam.

25 mm

diam.

25 mm

manufacturer/tradename

Millex™

manufacturer/tradename

Millex™

manufacturer/tradename

Millex™

manufacturer/tradename

Millex™

fitting

inlet/outlet hose barb (1/4-1/2 in., with Female Luer slip interior)

fitting

inlet stepped hose barb (1/4-1/2 in, with Female Luer slip interior), outlet filling bell

fitting

female Luer-Lok® inlet, male Luer-Lok® outlet

fitting

female Luer-Lok® inlet, male Luer outlet slip

sterility

γ-irradiated, sterile

sterility

γ-irradiated, sterile

sterility

ethylene oxide treated, sterile

sterility

non-sterile

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

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
MKCQ6864
MKCL6123
MKCL1841
MKCC2047
MKBV7799V

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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
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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