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Merck
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433497

Sigma-Aldrich

聚(丙二醇)，甲苯基-2,4-二异氰酸酯封端

average Mn ~2,300 (narrow MW distribution), isocyanate ~3.6 wt. %

同義詞:

甲苯二异氰酸酯-聚丙二醇共聚物, 聚丙二醇-甲苯二异氰酸酯共聚物

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About This Item

CAS號碼:
9057-91-4
MDL號碼:
MFCD00217728
分類程式碼代碼:
12162002
PubChem物質ID:
24867145
NACRES:
NA.23

形狀

viscous liquid

分子量

average Mn ~2,300 (narrow MW distribution)
degree of polymerization ~34

成份

isocyanate, ~3.6 wt. %

硬度

80 (Shore A, reacted with MOCA)

雜質

<0.1% residual TDI

折射率

n20/D 1.4742

黏度

≤1,700 cP(40 °C)(lit.)

密度

1.05 g/mL at 25 °C

SMILES 字串

CC(O)CO.Cc1ccc(cc1N=C=O)N=C=O

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相關類別

應用

导辊和粘合剂加工垫。

特點和優勢

粘度比常规聚氨酯低聚物更低。芳族异氰酸酯比脂族异氰酸酯更加活泼。芳族异氰酸酯的光稳定性不如脂族异氰酸酯。

外觀

聚氨酯预聚物。

象形圖

Health hazardExclamation mark
GHS08,GHS07

訊號詞

Danger

危險分類

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

標靶器官

Respiratory system

儲存類別代碼

10 - Combustible liquids

水污染物質分類（WGK）

WGK 3

閃點（°F）

235.4 °F - closed cup

閃點（°C）

113 °C - closed cup

分析證明 (COA)

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[Plombage of pathological pleural cavities].
V Ia Dzhugostran
Grudnaia khirurgiia (Moscow, Russia), (5)(5), 58-60 (1987-09-01)
E A Stepanov et al.
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
[Excretory insufficiency of the pancreas after occlusion of the ductal system with glue].
V S Zemskov et al.
Vestnik khirurgii imeni I. I. Grekova, 138(3), 73-74 (1987-03-01)
I V Titarenko et al.
Vestnik khirurgii imeni I. I. Grekova, 152(3-4), 17-23 (1994-03-01)
Results of experimental investigations of using polymer compositions KL-3, including modifications with ionol ("Adgenol") and levamisol in 18 rabbits with injuries of the liver are presented. It has been established that 3 and 6 months after using the mentioned compositions
[Use of medical glues MK-6 and KL-3 in surgical endocrinology].
I V Komissarenko et al.
Klinicheskaia khirurgiia, (12)(12), 19-20 (1985-01-01)
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