Chain Extender HER manufacturer CAS:102-40-9

Synonyms：

Chain Extender HER

1,3-Bis(2-hydroxyethoxy)benzene

Resorcinol bis(β-hydroxyethyl) ether

2,2'-[1,3-Phenylenebis(oxy)]diethanol

Ethanol, 2,2'-(1,3-phenylenebis(oxy))bis-

2-[3-(2-hydroxyethoxy)phenoxy]ethanol

2,2'-(m-phenylenedioxy)diethanol

EINECS 203-028-3

2,2'-(1,3-Phenylenebis(oxy))bisethanol

Ethanol, 2,2'-[1,3-phenylenebis(oxy)]bis-

Molecular Formula: C10H14O4

Molecular Weight: 198.216

SPECIFICATIONS AND PHYSICAL CHARACTERISTICS

TEST	UNIT	SPECIFICATION
APPEARANCE		WHITE POWDER
HYDROXYL VALUE	MgKOH/g	535.00-580.00
WATER	%	0.20MAX
ASSAY	%	98.0MIN
MELTING POINT	℃	83.0MIN

Solubility at 25℃,wt.%
Acetone:11
Ethanol:13
Ethyl Acetate:3
Ethane:＜1
Dimethylacetamide (DMAC)：＞1
PRODUCT FEATURES AND APPLICATIONS
* HER is an aromatic diol chain extender. It can improve tensile, hardness,resilience properties to MDI-polyurethane elastomers.
* HER has been approved that it can maintain maximum endurance,elasticity and plasticity of PU elastomer. It also offers minimum shrinkage.
Besides of those common advantages of aromatic family chain extenders.
* HER avoids the deficiencies in HQEE (HQEE returns solids quickly when temperature drops a little). And HER offers better tear strength, initial strength, compression set. It has advantages of low shrinkage, cut resistance, low melting point and easy handling etc.
*Typical application of HER include seal, mud pipeline lining, skating wheel, shoe part, beverage container, spandex and soft or rigid packaging materials etc

PACKAGE
20KG DRUM
HANDLING AND STORAGE
Keep container tightly closed and dry and storage in cool place

Our company is a professional supplier of functional material additives. Our products include antioxidants, ultraviolet absorbers, light stabilizers, photoinitiators, heat stabilizers, nucleating agents, flame retardants, polyurethane chain extenders, nano light absorbing materials, antibacterial materials, functional masterbatches, colorants etc. After years of steadfast industry accumulation and technological innovation, a relatively complete additive industry chain has been formed in the rubber and plastic industry, ink industry, coating industry, textile printing and dyeing industry, functional resin and other industries. Significant achievements have been made in the field of additives.

Items of Analysis	Standard of Analysis	Test Results
Appearance	White powder	White powder
Hydroxyl Value	540±15mgKOH/g	550.19 mgKOH/g
Melting Point	≥83℃	84.5-89℃
Water	≤0.1%	0.09%
Purity（GC）	≥98%	99.15%
Conclusion	ConformstoFactory Standard