388696
聚丁烯类化合物
average Mn ~920 by VPO, isobutylene >90 %
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关于此项目
线性分子式:
[-CH2C(CH3)2-]x[-CH2CH(C2H5)-]y
化学文摘社编号:
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12162002
MDL number:
产品名称
聚丁烯类化合物, average Mn ~920 by VPO, isobutylene >90 %
InChI
1S/2C4H8/c2*1-3-4-2/h3-4H,1-2H3;3H,1,4H2,2H3/b4-3+;
SMILES string
CCC=C.C\C=C\C
InChI key
WTOOLIQYCQJDBG-BJILWQEISA-N
form
liquid
mol wt
average Mn ~920 by VPO
composition
isobutylene, >90%
viscosity
200-235 cSt(100 °C)(lit.)
transition temp
pour point (ASTM D 97) −7 °C
density
0.89 g/mL at 25 °C
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Application
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。
Features and Benefits
粘性随着分子量增大而增大。可能出现一些内部双键。
Other Notes
剩余部分为 1-丁烯 和 2-丁烯
Physical form
以乙烯基封端。
signalword
Danger
hcodes
Hazard Classifications
Asp. Tox. 1 - Skin Irrit. 2
存储类别
10 - Combustible liquids
wgk
WGK 1
flash_point_f
159.8 °F - closed cup
flash_point_c
71 °C - closed cup
ppe
Eyeshields, Gloves
Colin Booth et al.
Physical chemistry chemical physics : PCCP, 8(31), 3612-3622 (2006-08-03)
The article deals with the association behaviour in dilute aqueous solution of block copoly(oxyalkylene)s in which hydrophilic poly(ethylene oxide) is combined with hydrophobic poly(propylene oxide), poly(1,2-butylene oxide) or poly(styrene oxide). Polymers with three simple architectures are considered, i.e. copolymers of
John B Williams et al.
Analytical chemistry, 75(13), 3092-3100 (2003-09-11)
The mass dependency of matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS) response has been studied using equimolar mixtures of synthetic discrete mass poly(butylene glutarate) (PBG) oligomers of known structure having degrees of polymerization of 8, 16, 32, and 64. Mass
Huaiyu Wang et al.
Acta biomaterialia, 5(1), 279-287 (2008-09-02)
Poly(butylene succinate) (PBSu), a novel biodegradable aliphatic polyester with excellent processability and mechanical properties, is a promising substance for bone and cartilage repair. However, it typically suffers from insufficient biocompatibility and bioactivity after implantation into the human body. In this
Syutaro Yamamoto et al.
Journal of oleo science, 56(9), 463-469 (2007-09-28)
Water-soluble metal working fluids are used for processing of aluminum alloy materials. This short article describes properties of new additives in water-soluble metal working fluids for aluminum alloy materials. Many half esters or diesters were prepared from the reactions of
X Y Wu et al.
The British journal of ophthalmology, 82(5), 569-576 (1998-08-26)
The goal was to compare the biological response of the corneal stroma with three porous materials: a melt blown microfibre web of polybutylene:polypropylene (80:20); a polyester spun laced fabric (polyethylene terephthalate), and an expanded polytetrafluoroethylene. Fifty per cent of each
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