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432490

Sigma-Aldrich

聚苯乙烯-嵌段-聚丁二烯

30 wt.% styrene

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250 G
$103.00
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$169.00

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250 G
$103.00
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About This Item

线性分子式:
[CH2CH(C6H5)]x (CH2CH=CHCH2)y [CH2CH(C6H5)]x
CAS号:
308076-12-2
MDL编号:
MFCD00010045
UNSPSC代码:
12162002
PubChem化学物质编号:
24867091
NACRES:
NA.23

$103.00

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质量水平

100

表单

beads

熔融指数

10 g/10 min (200°C/5.0kg)

包含

phenolic as antioxidant

硬度

61 (Shore A)

粘度

8.5 poise, 25 wt. % in toluene(25 °C, Brookfield)(lit.)

溶解性

solvents with solubility parameters between 7.7 and 9.4: soluble

伸长率

ASTM D 412 - 600% (ultimate)

相关类别

应用

热熔胶、密封剂、沥青和油凝胶的组分。用作聚合物、热固性材料和普通橡胶配方的调节剂。直接模制或挤出的汽车部件、体育用品、工作鞋和薄膜。

特点和优势

具有高强度和低粘度，易于熔融和溶液处理。高温降解将导致交联。灵活，可耐受-65°C。出色的电绝缘体。耐酸和碱。

外形

热塑性弹性体。

储存分类代码

11 - Combustible Solids

WGK

WGK 1

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
MKCF0088
MKCD5535
MKCC2430
MKBQ0526V
MKBL8930V

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聚（丙烯腈- co - 丁二烯） acrylonitrile 37-39 wt. %

Sigma-Aldrich

180912

聚（丙烯腈- co - 丁二烯）

Sneha B Chakrapani et al.
The Analyst, 144(5), 1679-1686 (2019-01-19)
The accurate characterization of relative composition in multicomponent polymer systems such as statistical copolymers, block copolymers, and polymer blends is critical to understanding and predicting their behavior. Typically, polymer compositional analysis is performed using 1H Nuclear Magnetic Resonance (NMR) Spectroscopy

Questions

1–3 of 3 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

      Helpful?

  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

      Helpful?

  3. Can I know the average molecular weight information of the polymer?

    1 answer

    1. The molecular weight is approximately 153-185 kda.

      Helpful?

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