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Merck
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Key Documents

Otros documentos

428175

Sigma-Aldrich

Polypropylene

Amorphous

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About This Item

Fórmula lineal:
[CH2CH(CH3)]n
Número de CAS:
9003-07-0
MDL number:
MFCD00084447
UNSPSC Code:
12162002
PubChem Substance ID:
24866800
NACRES:
NA.23

Quality Level

100

form

pellets

hardness

18 dmm (Penetrometer, ASTM D 5)

viscosity

10 poise(190 °C, Brookfield Thermosel)(lit.)

transition temp

Tg -10 °C
softening point 155 °C (ring and ball, ASTM E 28)

density

0.9 g/mL at 25 °C (lit.)

SMILES string

CC=C

InChI

1S/C22H42O3/c1-2-3-4-5-11-14-17-20-21(25-20)18-15-12-9-7-6-8-10-13-16-19-22(23)24/h20-21H,2-19H2,1H3,(H,23,24)/t20-,21+/m1/s1

InChI key

NSYDMBURIUSUDH-RTWAWAEBSA-N

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Categorías relacionadas

Application

Base polymer in hot melt adhesives and paper-laminating, extender and viscosity modifier in caulks and sealants and waterproofing agent in wire and cable applications.

Features and Benefits

Low odor, good heat stability, low color and broad compatibility with elastomers, plastics and tackifying resins.

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)

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Polyethylene low density, melt index 25 g/10 min (190°C/2.16kg)

Sigma-Aldrich

428043

Polyethylene

F Cassiola et al.
Artificial organs, 24(3), 168-173 (2000-04-12)
The introduction of microporous polypropylene hollow fibers in recent years has brought considerable advances to blood oxygenators. However, lifetime and assembly problems are still unresolved. In this work we tried to rate the oxygen permeation velocity by turning the fibers
[Procedure for membrane oxygenation of blood over hydrophilic polymer membranes].
H Körber et al.
Biomedizinische Technik. Biomedical engineering, 43 Suppl, 338-340 (1998-12-22)
Simon J Gallagher et al.
Journal of drug targeting, 11(6), 373-379 (2003-12-12)
The aim of this study was to test the hypothesis that the most appropriate model for studying the diffusional release of an active from a topical formulation is one in which the membrane offers minimal resistance to release and involves
G Imanidis et al.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 47(3), 283-287 (1999-06-26)
The possibility to control the release rate of salbutamol through the hydrophobic Celgard 2500 polypropylene membrane by varying the composition and the viscosity of hydrophilic drug vehicles was investigated. The use of the polypropylene membrane as a control membrane for
P K Amid et al.
Journal of biomedical materials research, 28(3), 373-375 (1994-03-01)
This preliminary study examined the possibility of preventing intestinal adhesions to biomaterials while preserving their incorporation with the abdominal wall. White New Zealand rabbits received intraperitoneal implants of different biomaterials for repair of defects created on the abdominal wall. The

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