IMPACT PROPERTIES OF METALLOCENE - CATALYZED ETHYLENE-α-OLEFIN COPOLYMERS*

Your Location：

Home >

Browse articles >

IMPACT PROPERTIES OF METALLOCENE - CATALYZED ETHYLENE-α-OLEFIN COPOLYMERS*

Papers | Updated：2021-06-21

- IMPACT PROPERTIES OF METALLOCENE - CATALYZED ETHYLENE-α-OLEFIN COPOLYMERS*
- Vol. 20, Issue 5, Pages: 473-480(2002)
- Affiliations：
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：20 October 2002
- Accepted：
Scan QR Code
IMPACT PROPERTIES OF METALLOCENE - CATALYZED ETHYLENE-α-OLEFIN COPOLYMERS*[J]. 2002, 20(5): 473-480.
DOI：

IMPACT PROPERTIES OF METALLOCENE - CATALYZED ETHYLENE-α-OLEFIN COPOLYMERS*[J]. 2002, 20(5): 473-480. DOI：

摘要

The impact properties of two selected metallocene-catalyzed ethylene-butene copolymers and one conventionalcopolymer were evaluated using Izod impact test. It is found that the metallocene-catalyzed copolymer shows superior impactproperties. This result was explained on the basis of the more homogeneous inter-molecular composition distribution andnarrower molecular weight distribution

which leads to more homogeneous morphology with fewer defects. Stepwise crystallization improves the impact properties

especially in the crack propagation process

to a large extent.This is due to the decrease of entanglements by stepwise crystallization

which is advantageous for the chain slip and shear.The polymer with heterogeneous intra-molecular composition distribution exhibits a more evident improvement of impact properties under stepwise crystallization.

Abstract

which leads to more homogeneous morphology with fewer defects. Stepwise crystallization improves the impact properties

especially in the crack propagation process

to a large extent.This is due to the decrease of entanglements by stepwise crystallization

关键词

Keywords

references

Views

Downloads

CSCD

Alert me when the article has been cited

Submit

Tools

Publicity Resources

Preparation and Chiral Recognition Ability of Crystalline Cellulose Phenylcarbamate

Improvements of Hydrophobicity and Toughness of Epoxy Coatings Modified with Hydroxyl-terminated Fluororubber

Porous Organic Polymers for Photocatalytic Hydrogen Peroxide Production: Recent Advances and Future Perspectives

Experimental Investigation of Graphene and TiO2 Reinforced Poly(vinyl alcohol)-based Fiber Metal Laminates

Energy Storage Performance of Supercapacitors with Polyelectrolyte Surface Coatings: Effects of Dielectric Contrast

Related Author

No data

Related Institution

No data

⁰