Speciality Polyethylene Grafted with Maleic Anhydride

Westrchem ® STR-151 is a High cost performance type Speciality Polyethylene grafted with maleic anhydride. It is a functional compatibilizer designed for polyolefin resin and wood powder/fiber, with excellent properties, the invasiveness of wood powder can significantly increase the proportion of wood powder/fiber used, which will significantly improve the interfacial affinity of thermoplastic filled with wood powder or natural fiber bundles, thereby enhancing the strength of composite materials, As a Speciality Polyethylene grafted with maleic anhydride, the recommended dosage is 2.5-5.0%.

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Coupling Agent For PA

Coupling Agent for PA

Description

Technical Parameters

Item	Numerical value
Density	0.95 g/cm³
Fused finger	1-3(190℃,2.16kg)g/10min
Graft ratio	High(Acid-base titration)

Performance Characteristics

※ Low residual monomer content, low gel content, high reactivity;
※ The acid anhydride groups contained can undergo esterification reaction with hydroxyl groups in wood flour, thereby reducing the polarity and hygroscopicity of wood flour;
※ It has good compatibility with polyolefin resin, improving the impact performance, low temperature resistance, and improving stress cracking of products;
※ Reduce the water absorption of wood plastic products to maintain long-lasting strength;

0007g

Security

※ It is a non-toxic substance, and the relevant indicators of the product comply with EU RoHS directives, REACH-SVHC and other standards;

Packaging and Storage

※ Composite paper bag of 25 kg/bag, stored dry, protected from rainwater, sealed for storage.

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