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 ~2,300 by VPO
composition
isobutylene, >90%
refractive index
n20/D 1.504
viscosity
4,000-4,400 cSt(99 °C)(lit.)
transition temp
Tg −64.9 °C, pour point (ASTM D 97) +18 °C
density
0.908 g/mL at 25 °C
Quality Level
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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。
Physical form
以乙烯基封端。
Other Notes
剩余部分为 1-丁烯 和 2-丁烯
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
Ibrahim Bulent Buttanri et al.
Ophthalmic plastic and reconstructive surgery, 29(2), 98-100 (2012-12-14)
To evaluate the effect of suturing the silicone rod to the tarsal plate and the suture material used in suturing on surgical success of frontalis suspension for congenital ptosis. Eighty eyes of 56 consecutive patients who underwent frontalis suspension surgery
Sofia Malberg et al.
Biomacromolecules, 12(6), 2382-2388 (2011-05-03)
An innovative type of triblock copolymer that maintains and even increases the mechanical properties of poly(l-lactide) (PLLA) and poly(ε-caprolactone) (PCL) with a controlled, predictable, and rapid degradation profile has been synthesized. Elastic triblock copolymers were formed from the hydrophobic and
Xi-xiao Yang et al.
Di 1 jun yi da xue xue bao = Academic journal of the first medical college of PLA, 25(10), 1261-1263 (2005-10-20)
To evaluate the biocompatibility of polybutylcyanoacrylate nanoparticles (PBCA-NP) manufactured by emulsion polymerization technique. MTT assay was performed for evaluation of the cytotoxicity of PBCA-NP (e.g. cell proliferation and hemolytic test) experiments of long-term subcutaneous implantation and implantation in the muscular
Takanori Tanino et al.
Applied microbiology and biotechnology, 82(1), 59-66 (2008-11-06)
A Candida antarctica lipase B (CALB)-displaying yeast whole-cell biocatalyst was constructed with the integration of the CALB cell-surface display expression cassette in the yeast genome and cell fusion by mating. Lipase hydrolytic activity of the yeast whole-cell biocatalyst subsequently increased
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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