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Merck
CN

749206

聚(苯乙烯-嵌段-甲基丙烯酸甲酯)

average Mn 82,000, block ratio of 2:1

别名:

PS-嵌段-PMMA, PS-PMMA

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化学文摘社编号:
UNSPSC Code:
12162002
NACRES:
NA.23
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InChI

1S/C8H8.C5H8O2/c1-2-8-6-4-3-5-7-8;1-4(2)5(6)7-3/h2-7H,1H2;1H2,2-3H3

InChI key

ADFPJHOAARPYLP-UHFFFAOYSA-N

form

solid

mol wt

average Mn 25,000 (PMMA), average Mn 57,000 (polystyrene), average Mn 82,000

transition temp

Tm 350-355 °C

Mw/Mn

<1.2

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General description

52 kDa PS; 52 kDa PMMA; m ~542; n ~250
PS Mn = 52 ± 5 kg/mol
PMMA Mn = 52 ± 5 kg/mol
整个嵌段共聚物<1.2的PDI
通过SEC(从反应混合物中取等分试样)验证的PS分子量和通过NMR光谱法得到的PMMA分子量。整个嵌段共聚物分子量分布将通过SEC进行测定。

pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Eye Irrit. 2

存储类别

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Polymethylmethacrylate: one biomaterial for a series of membrane.
T Takeyama et al.
Contributions to nephrology, 125, 9-24 (1999-01-23)
[Use of derivatography for the sanitary chemical study of a styrene and methylmethacrylate copolymer].
Kh G Zaleska et al.
Gigiena i sanitariia, (7)(7), 40-43 (1981-07-01)
Makoto Takahashi et al.
Journal of chromatography. A, 1084(1-2), 201-206 (2005-08-24)
Chromatographic separation of copolymers depending on the chemical composition was studied by a solvent gradient method using liquefied carbon dioxide (CO2) as an adsorption promoting solvent. As the high polar stationary phase, non-bonded silica gel, crosslinked acrylamide (AA) gel and
A D Puckett et al.
Critical reviews in biomedical engineering, 28(3 - 4), 457-461 (2000-12-07)
Poly(methylmethacrylate) (PMMA) bone cements have been used for the fixation of hip and knee implants since the early 1960s. Aseptic loosening, related to fracture of the PMMA, continues to be the primary mode of failure for these prostheses. Failed prostheses
G J Sterling et al.
The Journal of bone and joint surgery. British volume, 85(5), 646-649 (2003-08-02)
We prospectively investigated a consecutive series of ten patients undergoing a cemented primary total hip replacement (THR) for osteoarthritis in order to establish the elution characteristics of Simplex-tobramycin bone cement (Howmedica, Limerick, Ireland). Specimens of blood, urine and drainage fluid

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