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Merck

427888

Sigma-Aldrich

聚丙烯

Isotactic, average Mw ~250,000, average Mn ~67,000

别名:

PP, polypropene

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About This Item

线性分子式:
[CH2CH(CH3)]n
CAS号:
MDL號碼:
分類程式碼代碼:
12162002
PubChem物質ID:
NACRES:
NA.23

品質等級

形狀

beads

熔體指數

12 g/10 min (230°C/2.16kg)

分子量

average Mn ~67,000
average Mw ~250,000

硬度

100 (Rockwell R, ASTM D 785-A)

轉變溫度

Tm 160-165 °C

密度

0.9 g/mL at 25 °C (lit.)

應用

battery manufacturing

SMILES 字串

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 密鑰

NSYDMBURIUSUDH-RTWAWAEBSA-N

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應用

可与柱塞式注塑机和螺杆式注塑机配合使用。用于汽车、家庭用品、普通注塑制品以及复丝和单丝纤维。

特點和優勢

高刚度,良好的耐溶剂和化学品性质。抗环境应力开裂。比聚乙烯更易于氧化。

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)


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分析证书(COA)

Lot/Batch Number

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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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