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436224

Sigma-Aldrich

聚（4-乙烯基苯酚）

greener alternative

average Mw ~25,000

别名:

PVP, 聚(4-乙基苯酚)

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选择尺寸

100 μG
CN¥4,239.58

CN¥4,239.58

预计发货时间May 06, 2025详情

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100 μG
CN¥4,239.58

About This Item

线性分子式:
[CH2CH(C6H4OH)]n
CAS号:
24979-70-2
MDL编号:
MFCD00147948
UNSPSC代码:
12352103
PubChem化学物质编号:
24867290
NACRES:
NA.23

CN¥4,239.58

预计发货时间May 06, 2025详情

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描述

intrinsic viscosity parameters α=0.50, k=9.71 × 10-4 dL/g 25°C, in THF

表单

powder

分子量

average Mw ~25,000

环保替代产品特性

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

固有粘度

(α=0.50, k=9.71 × 10-4)

mp

360 °C (dec.)

转变温度

Tg 130-185 °C

溶解性

alcohols, ethers, ketones and esters: soluble
aromatics, petroleum ethers and chlorinated hydrocarbons: insoluble

密度

1.16 g/mL at 25 °C (lit.)

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此商品
363073363146472344
Poly(4-vinylphenol) average Mw ~25,000

436224

Poly(4-vinylphenol)

Poly(vinyl alcohol) average Mw 31,000-50,000, 87-89% hydrolyzed

363073

Poly(vinyl alcohol)

Poly(vinyl alcohol) Mw 85,000-124,000, 99+% hydrolyzed

363146

Poly(vinyl alcohol)

Poly(4-vinylpyridine) average Mw ~60,000

472344

Poly(4-vinylpyridine)

form

powder

form

crystalline powder, crystals or granules

form

powder or crystals

form

-

mp

360 °C (dec.)

mp

-

mp

-

mp

-

density

1.16 g/mL at 25 °C (lit.)

density

-

density

-

density

-

description

intrinsic viscosity parameters α=0.50, k=9.71 × 10-4 dL/g 25°C, in THF

description

-

description

-

description

-

mol wt

average Mw ~25,000

mol wt

average Mw 31,000-50,000

mol wt

Mw 85,000-124,000

mol wt

average Mw ~60,000

一般描述

我们致力于为您带来更加绿色的替代产品，这些产品遵守一项或多项绿色化学12项原则。本品属于绿色替代产品的赋能型产品，符合“节能设计”原则。点击此处以获取更多信息。
聚(4-乙烯基苯酚)(PVP)是一种可成膜的聚合物交联剂，形成的无毒性、低成本薄膜可提高粘度。它是一种酸性聚合物，单个PVP分子含100多个羟基，因而形成的膜具有高度的稳定性和络合度。[1][2]

应用

交联PVP可用作介电材料，制备低电压单壁碳纳米管(SWCNT)基质的薄膜晶体管。[3]有机半导体薄膜晶体管采用具有光电阻性的PVP作为势垒层[2] ，其上可涂覆各种带电荷纳米颗粒，如银纳米颗粒(AgNP)、[4]氧化钛(TiO2)[2]和氧化石墨烯(GO)。[5]
用作光致抗蚀剂中酚醛树脂的替代物，助粘剂，并且可以提高热熔胶的耐热性，改善金属表面精整的表面处理。用作塑料中的抗氧化剂和阻燃剂的衍生物。聚合物混合物的组分，从而改变表面特性并提高抗冲击性。

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
    0000323969
    MKCX0352
    0000323969
    MKCT8558
    MKCR9856

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    Highly flexible printed carbon nanotube thin film transistors using cross-linked poly (4-vinylphenol) as the gate dielectric and application for photosenstive light-emitting diode circuit
    Xing Z, et al.
    Carbon, 133, 390-397 (2018)
    Dielectric property study of poly (4-vinylphenol)-graphene oxide nanocomposite thin film
    AIP Conference Proceedings, 1953(1), 050051-050051 (2018)
    Poly (4-vinylphenol) as a new stable and metal-free sensitizer of titania for visible light photocatalysis through ligand-to-metal charge transfer process
    Zhang G, et al.
    Catalysis Today, 281, 109-116 (2017)
    Enhanced adhesion mechanisms between printed nano-silver electrodes and underlying polymer layers
    Sekine T, et al.
    Nanotechnology, 26(32), 321001-321001 (2015)
    Ionization of covalent immobilized poly (4-vinylphenol) monolayers measured by ellipsometry, QCM and SPR
    Uppalapati S, et al.
    Applied Surface Science, 343, 166-171 (2015)
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