388726
聚丁烯类化合物
average Mn ~2,300 by VPO, isobutylene >90 %
表单
liquid
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
警示用语：
Danger
危险声明
危险分类
Asp. Tox. 1 - Skin Irrit. 2
储存分类代码
10 - Combustible liquids
WGK
WGK 1
闪点(°F)
159.8 °F - closed cup
闪点(°C)
71 °C - closed cup
个人防护装备
Eyeshields, Gloves
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
X Guo et al.
Guang pu xue yu guang pu fen xi = Guang pu, 21(2), 169-172 (2003-09-02)
Hydrogen bonding in hard segment domains of segmented polyester polyurethaneurea (PUU) based on 4,4'-diphenylmethane diisocyanate (MDI), ethylene diamine (ED) and polybutylene adipate (PBA) (M.W.1,975 and M.W.1,228) was studied by means of IR spectroscopy. It was found that the double peak
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
Lin Jia et al.
Macromolecular bioscience, 5(6), 526-538 (2005-06-11)
In situ self-assemblies of new biodegradable triblock PLLA-b-PBS-b-PLLA and PDLA-b-PBS-b-PDLA have been investigated in acetonitrile solution. At first, two series of PLLA-b-PBS-b-PLLA and PDLA-b-PBS-b-PDLA, respectively denoted as the P and Q triblock copolyester series, were prepared with fixed PBS block
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
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