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200557

Sigma-Aldrich

聚苯乙烯- 嵌段 - 聚乙烯（乙烯- ran - 丁烯）- 嵌段 - 聚苯乙烯

powder, average Mw ~118,000 by GPC, contains >0.03% antioxidant as inhibitor

别名:

SEBS

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250 G
$143.00

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250 G
$143.00

About This Item

线性分子式:
[-CH2CH(C6H5)-]W(-CH2CH2-)x[-CH2CH(C2H5)-]y[-CH2CH(C6H5)-]Z
CAS号:
66070-58-4
MDL编号:
MFCD00134026
UNSPSC代码:
12162002
PubChem化学物质编号:
24851970
NACRES:
NA.23

$143.00

请联系客服了解存货情况
获取大包装报价

表单

powder

质量水平

100

分子量

average Mw ~118,000 by GPC

包含

>0.03% antioxidant as inhibitor

粘度

1,500 cP, 20 % in toluene, Brookfield(lit.)

密度

0.91 g/mL at 25 °C (lit.)

SMILES字符串

C=C.C=CC=C.C=Cc1ccccc1

InChI

1S/C8H8.C4H6/c1-2-8-6-4-3-5-7-8;1-3-4-2/h2-7H,1H2;3-4H,1-2H2

InChI key

MTAZNLWOLGHBHU-UHFFFAOYSA-N

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相关类别

一般描述

聚苯乙烯嵌段聚（乙烯-丁烯）-嵌段聚苯乙烯（SEBS）是一种热塑性三嵌段共聚物，具有优异的机械、化学和热稳定性。它是一种相分离的材料，可以功能化以进一步的应用。

应用

聚苯乙烯嵌段聚（乙烯-丁烯）-嵌段聚苯乙烯可用于：
  • 作为合成碱性燃料电池阴离子交换膜的前体。
  • 制备超韧性三元聚合物共混物，如 PS/LDPE/SEBS/xGnP 三元复合材料。
  • 合成具有生物相容性的导电聚合物。例如，PEDOT：用于可拉伸电极的 PS 聚合物薄膜。

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
MKCX0794
MKCV5583
MKCV5584
MKCS8354

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Questions

1–2 of 2 Questions  

  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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