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Merck
CN

388726

Sigma-Aldrich

聚丁烯类化合物

average Mn ~2,300 by VPO, isobutylene >90 %

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线性分子式:
[-CH2C(CH3)2-]x[-CH2CH(C2H5)-]y
CAS号:
MDL编号:
UNSPSC代码:
12162002
PubChem化学物质编号:
NACRES:
NA.23

形式

liquid

质量水平

分子量

average Mn ~2,300 by VPO

组成

isobutylene, >90%

折射率

n20/D 1.504

粘度

4,000-4,400 cSt(99 °C)(lit.)

转变温度

Tg −64.9 °C
pour point (ASTM D 97) +18 °C

密度

0.908 g/mL at 25 °C

SMILES字符串

CCC=C.C\C=C\C

InChI

1S/2C4H8/c2*1-3-4-2/h3-4H,1-2H3;3H,1,4H2,2H3/b4-3+;

InChI key

WTOOLIQYCQJDBG-BJILWQEISA-N

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应用

疏水材料衍生形成洗涤剂和防锈添加剂。增加粘合剂和涂料的粘性、柔韧性和防水性。有助于 LLDPE 膜的"粘着"。用于聚合物、润滑剂和金属加工液的增塑剂。

特点和优势

粘性随着分子量增大而增大。可能出现一些内部双键。

外形

以乙烯基封端。

其他说明

剩余部分为 1-丁烯 和 2-丁烯

象形图

Health hazardExclamation mark

警示用语:

Danger

危险声明

危险分类

Asp. Tox. 1 - Skin Irrit. 2

WGK

WGK 1

个人防护装备

Eyeshields, Gloves


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A M Belu et al.
Rapid communications in mass spectrometry : RCM, 14(7), 564-571 (2000-04-25)
A series of 16 polyarylates, with well-controlled and systematically varying chemistry, has been characterized by time-of-flight secondary ion mass spectrometry (TOF-SIMS). The polymers are structurally identical except for the incremental additions of C2H4 units to the backbone and sidechain. From
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Macromolecular bioscience, 12(2), 260-268 (2011-11-19)
The pre-polymer poly(but-2-ene-1,4-diyl malonate) (PBM) and a series of PBM-based materials are shown to be degradable under physiological conditions in vitro and they are therefore presented as potential materials for biomedical applications. Four different PBM-based materials are synthesized: a PBM

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