433497
Poly(propylene glycol), tolylene 2,4-diisocyanate terminated
average Mn ~2,300 (narrow MW distribution), isocyanate ~3.6 wt. %
동의어(들):
Polypropylene glycol-toluene diisocyanate copolymer, Tolylene diisocyanate-polypropylene glycol polymer
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모든 사진(1)
About This Item
CAS Number:
MDL number:
UNSPSC 코드:
12162002
PubChem Substance ID:
NACRES:
NA.23
추천 제품
![Poly[4,4′-methylenebis(phenyl isocyanate)-alt-1,4-butanediol/di(propylene glycol)/polycaprolactone] pellets, MDI-polyester/polyether polyurethane.](/deepweb/assets/sigmaaldrich/product/structures/661/697/b23c24ce-15fb-4eae-a30f-786921d4c91e/640/b23c24ce-15fb-4eae-a30f-786921d4c91e.png)
양식
viscous liquid
Quality Level
분자량
average Mn ~2,300 (narrow MW distribution)
degree of polymerization ~34
구성
isocyanate, ~3.6 wt. %
경도
80 (Shore A, reacted with MOCA)
불순물
<0.1% residual TDI
refractive index
n20/D 1.4742
점도
≤1,700 cP(40 °C)(lit.)
density
1.05 g/mL at 25 °C
SMILES string
CC(O)CO.Cc1ccc(cc1N=C=O)N=C=O
InChI key
SKQGWWNTEKONHY-UHFFFAOYSA-N
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애플리케이션
Idler rollers and adhesive-handling pads.
특징 및 장점
Lower viscosity than conventional polyurethane oligomers. Aromatic isocyanate is more reactive than aliphatic isocyanate. Aromatic isocyanates are less light stable than aliphatic isocyanates.
물리적 형태
Polyurethane prepolymer.
신호어
Danger
유해 및 위험 성명서
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Resp. Sens. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3
표적 기관
Respiratory system
Storage Class Code
10 - Combustible liquids
WGK
WGK 3
Flash Point (°F)
235.4 °F - closed cup
Flash Point (°C)
113 °C - closed cup
[Excretory insufficiency of the pancreas after occlusion of the ductal system with glue].
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The authors have suggested the presence of reflux regulating the relationship between the urinary bladder and vesicoureteral segment which was called the vesico-osteal reflex (VOR). An original method of diagnostics of VOR with the help of profilometry was developed. A
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Klinicheskaia khirurgiia, (11)(11), 3-5 (1986-01-01)
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Grudnaia i serdechno-sosudistaia khirurgiia, (1)(1), 52-55 (1990-01-01)
The authors discuss experience in 168 operations for extirpation and segmental resection of affected bronchi in children with bronchiectases. To prevent recanalization of the bronchus after its segmental resection and to prevent the formation of an abscess in the isolated
[Plombage of pathological pleural cavities].
V Ia Dzhugostran
Grudnaia khirurgiia (Moscow, Russia), (5)(5), 58-60 (1987-09-01)
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