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Sigma-Aldrich

Poly(hexamethylene diisocyanate)

viscosity 1,300-3,000 cP (25 °C)(lit.)

Sinonimo/i:

1,6-Diisocyanatohexane homopolymer, 1,6-Diisocyanatohexane polymer, HMDI homopolymer

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About This Item

Numero CAS:
Numero MDL:
Codice UNSPSC:
12162002
ID PubChem:
NACRES:
NA.23

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Stato

liquid

Indice di rifrazione

n20/D 1.502

Viscosità

1,300-3,000 cP(25 °C)(lit.)

Densità

1.12 g/mL at 25 °C

Stringa SMILE

O=C=NCCCCCCN=C=O

InChI

RRAMGCGOFNQTLD-UHFFFAOYSA-N

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Descrizione generale

Poly(hexamethylene diisocyanate) (PolyHDI) is an aliphatic compound belonging to the class of isocyanates. It is generally prepared by reacting hexamethylene diamine with phosgene.[1]

Applicazioni

PolyHDI can be used as a compatibilizer to increase the complex viscosity of poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV)/poly(lactic acid) biopolymer based blends.[1] It can be used as a hardener that can be mixed with polyol resins to form polyurethane coatings with a wide range of applications like self-cleaning.[2][3][4]

Pittogrammi

Skull and crossbones

Avvertenze

Danger

Indicazioni di pericolo

Classi di pericolo

Acute Tox. 3 Inhalation - Skin Sens. 1 - STOT SE 3

Organi bersaglio

Respiratory system

Codice della classe di stoccaggio

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

338.0 °F

Punto d’infiammabilità (°C)

170 °C

Dispositivi di protezione individuale

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


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Compatibilization of poly (3-hydroxybutyrate-co-3-hydroxyvalerate)-poly (lactic acid) blends with diisocyanates
Gonzalez-Ausejo J, et al.
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Structured polyurethanes for oil uptake
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Questions

1–2 of 2 Questions  
  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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