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Merck
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Documenti

428175

Sigma-Aldrich

Polypropylene

Amorphous

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About This Item

Formula condensata:
[CH2CH(CH3)]n
Numero CAS:
9003-07-0
Numero MDL:
MFCD00084447
Codice UNSPSC:
12162002
ID PubChem:
24866800
NACRES:
NA.23

Forma fisica

pellets

Durezza

18 dmm (Penetrometer, ASTM D 5)

Viscosità

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

Temp. transizione

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

Densità

0.9 g/mL at 25 °C (lit.)

Stringa SMILE

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
NSYDMBURIUSUDH-RTWAWAEBSA-N

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Applicazioni

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.

Caratteristiche e vantaggi

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

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Gloves, type N95 (US)

Certificati d'analisi (COA)

Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘Batch’.

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

Sigma-Aldrich

428043

Polyethylene

Jelena Stanković et al.
Environmental pollution (Barking, Essex : 1987), 262, 114248-114248 (2020-03-15)
The effect of microplastics (MP) exposure on the chironomid species Chironomus riparius Meigen, 1804 was investigated using the OECD sediment and water toxicity test. Chironomid larvae were exposed to an environmentally relevant low microplastics concentration (LC), a high microplastics concentration
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
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