Chain Extender 4370

Chain Extender 4370

Chain extender 4370 a polymeric chain extender with high epoxy functionality.it can react with the terminal hydroxyl group,terminal carboxyl group and terminal amino group of PLA、PPC、PBS、PHA、PBT、PET、PA、PC and biodegradable polyesters plastics at the normal operation temperature.re-coupling of the broken chains by heating or hydrolyzation can be reformed by this kind of reaction.this results in higher molecular weight and melting strength of the products which make the resins with better processing and mechanical properties.

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Product Details

Chain extender 4370,high expoxy functionality for maximum efficiency in industrial applications.


It is a polymeric chain extender with high epoxy functionality for condensation thermoplastics to increase the molecular weight, melting strength of resins which can improve the precessing and mechanical properties of different plastics.M.W.:6500~7000,Epoxy equivalent weight(g/mol):270~3000;Tg(℃):61


Product Name: Chain extender 4370


Synonyms: Chain extender 4368


Specifications:


Appearance

Crystalline flakes or powder

Molecular weight

6500~7000

Tg(℃)

~61

epoxy equivalent weight(g/mol)

270~300

Non-volatile(%)

>99%



Applications:

1.Chain extender 4370 a polymeric chain extender with high epoxy functionality.it can  react with the terminal hydroxyl group,terminal carboxyl group and terminal amino group of PLA、PPC、PBS、PHA、PBT、PET、PA、PC and biodegradable polyesters plastics at the normal operation temperature.re-coupling of the broken chains by heating or hydrolyzation can be reformed by this kind of reaction.this results in higher molecular weight and melting strength of the products which make the resins with better processing and mechanical properties;

2.It is a versatile chain extender/compatibilizer with high epoxy functionality.this allows for rapid reaction with condensation thermoplastics,resulting in higher molecular weight;

3.It can enhance melt strength of sheet,profiles,foam and film;

4.It can enhance tensile strength of fiber:staple,filament,high tensile strap;

5.It can enhance film mechanical properties of strap,shrinkable mono and bi-oriented film

6.It can enhance resin reactor productivity in melt process and SSP;

7.It can enhance impact and mechanical properties in injection molding;

8.It can enhance hyrolytic stability of injection and extrusion parts;

9.It can enhance plant regrind and recycle content in extrusion and injection molding

10.It is not approved for food contact applications

11.Recommended dosage:0.1~1.0%.temperature use range:170~300℃


Package:

25kgs/bag or according to customer’s request


Storage:

Stock in dry,cool well-ventilated shady place and away from fire source


Transportation:

It is not a dangerous goods according to transportation regulation


Shelf life: 

2 years in sealed original package.


Lead time: prompt


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