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Merck
CN

452149

聚丙烯

Syndiotactic, average Mw ~174,000, average Mn ~75,000

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线性分子式:
[CH2CH(CH3)]n
化学文摘社编号:
UNSPSC Code:
12162002
PubChem Substance ID:
MDL number:
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产品名称

聚丙烯, Syndiotactic, average Mw ~174,000, average Mn ~75,000

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

SMILES string

CC=C

InChI key

NSYDMBURIUSUDH-RTWAWAEBSA-N

gloss

51.6 %  (45°C)

melt index

2.2 g/10 min (230°C/2.16kg)

mol wt

average Mn ~75,000
average Mw ~174,000

impact strength

14.9 ft-lb/in. (Izod)

transition temp

Tm 125 °C (DSC, peak)

density

0.9 g/mL at 25 °C (lit.)

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Physical form

93% 为间同立构体。

存储类别

13 - Non Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

法规信息

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历史批次信息供参考:

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Lot/Batch Number

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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
[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)
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
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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