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Merck
모든 사진(1)

문서

81380

Sigma-Aldrich

Polypropylene glycol

P 2,000

동의어(들):

PPG

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About This Item

CAS Number:
MDL number:
UNSPSC 코드:
12162002
PubChem Substance ID:
NACRES:
NA.23

Quality Level

형태

liquid

분자량

Mn 1513

refractive index

n20/D 1.451

점도

~450 mPa.s(20 °C)

solubility

water: miscible (completely)

density

1.00 g/mL at 20 °C

InChI

1S/C6H14O3/c1-5(8)4-9-6(2)3-7/h5-8H,3-4H2,1-2H3

InChI key

DUFKCOQISQKSAV-UHFFFAOYSA-N

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일반 설명

Polypropylene glycol is an addition polymer of propylene glycol and water. It is represented by the formula HO(C3H6O)nC3H6OH in which n represents the average number of oxypropylene groups. Polypropylene glycol is soluble in water and in certain organic solvents as aliphatic ketones and alcohols and insoluble in ether and in most aliphatic hydrocarbons.

애플리케이션

Polypropylene glycol (PPG)is widely used as an antifoaming agent. For example, it can be used to controlfoam in the production of Bacillus thuringiensis-based biopesticides fromsewage sludge.

It can be used in thepreparation of polyurethane(PU) elastomers. For example, it can be used tosynthesize PU elastomers with good acoustic absorption properties.

PPG-2000 can be used as a soft segment in the preparationof PU-based self-healing polymeric networks. These networks find application in the field of soft electronics.

특징 및 장점

  • Long and flexible alkyl groups promotechain mobility, which facilitates rapid self-healing.
  • The methyl groups present on the sides of thepolymer improve emulsification in water.

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point (°F)

445.0 °F - closed cup

Flash Point (°C)

229.44 °C - closed cup

개인 보호 장비

Eyeshields, Gloves


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